解决了语音上传到问题，接下来要解决下载播放问题

Pods/Qiniu/QiniuSDK/BigData/QNPipeline.h

@@ -0,0 +1,55 @@
+//
+//  QNPipeline.h
+//  QiniuSDK
+//
+//  Created by BaiLong on 2017/7/25.
+//  Copyright © 2017年 Qiniu. All rights reserved.
+//
+
+#ifndef QNPipeline_h
+#define QNPipeline_h
+
+@class QNResponseInfo;
+
+@interface QNPipelineConfig : NSObject
+
+/**
+ * 上报打点域名
+ */
+@property (copy, nonatomic, readonly) NSString *host;
+
+/**
+ *    超时时间 单位 秒
+ */
+@property (assign) UInt32 timeoutInterval;
+
+- (instancetype)initWithHost:(NSString *)host;
+
+- (instancetype)init;
+
+@end
+
+/**
+ *    上传完成后的回调函数
+ *
+ *    @param info 上下文信息，包括状态码，错误值
+ */
+typedef void (^QNPipelineCompletionHandler)(QNResponseInfo *info);
+
+@interface QNPipeline : NSObject
+
+- (instancetype)init:(QNPipelineConfig *)config;
+
+- (void)pumpRepo:(NSString *)repo
+           event:(NSDictionary *)data
+           token:(NSString *)token
+         handler:(QNPipelineCompletionHandler)handler;
+
+- (void)pumpRepo:(NSString *)repo
+          events:(NSArray<NSDictionary *> *)data
+           token:(NSString *)token
+         handler:(QNPipelineCompletionHandler)handler;
+
+@end
+
+#endif /* QNPipeline_h */

Pods/Qiniu/QiniuSDK/BigData/QNPipeline.m

@@ -0,0 +1,154 @@
+//
+//  QNPipeline.m
+//  QiniuSDK
+//
+//  Created by BaiLong on 2017/7/25.
+//  Copyright © 2017年 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "QNSessionManager.h"
+
+#import "QNPipeline.h"
+
+@implementation QNPipelineConfig
+
+- (instancetype)init {
+    return [self initWithHost:@"https://pipeline.qiniu.com"];
+}
+
+- (instancetype)initWithHost:(NSString*)host {
+    if (self = [super init]) {
+        _host = host;
+        _timeoutInterval = 10;
+    }
+    return self;
+}
+
+@end
+
+@interface QNPipeline ()
+
+@property (nonatomic) QNSessionManager *httpManager;
+@property (nonatomic) QNPipelineConfig* config;
+
++ (NSDateFormatter*)dateFormatter;
+
+@end
+
+static NSString* buildString(NSObject* obj) {
+    NSString* v;
+    if ([obj isKindOfClass:[NSNumber class]]) {
+        NSNumber* num = (NSNumber*)obj;
+        if (num == (void*)kCFBooleanFalse) {
+            v = @"false";
+        } else if (num == (void*)kCFBooleanTrue) {
+            v = @"true";
+        } else if (!strcmp(num.objCType, @encode(BOOL))) {
+            if ([num intValue] == 0) {
+                v = @"false";
+            } else {
+                v = @"true";
+            }
+        } else {
+            v = num.stringValue;
+        }
+    } else if ([obj isKindOfClass:[NSString class]]) {
+        v = (NSString*)obj;
+        v = [v stringByReplacingOccurrencesOfString:@"\n" withString:@"\\n"];
+        v = [v stringByReplacingOccurrencesOfString:@"\t" withString:@"\\t"];
+    } else if ([obj isKindOfClass:[NSDictionary class]] || [obj isKindOfClass:[NSArray class]] || [obj isKindOfClass:[NSSet class]]) {
+        v = [[NSString alloc] initWithData:[NSJSONSerialization dataWithJSONObject:obj options:kNilOptions error:nil] encoding:NSUTF8StringEncoding];
+    } else if ([obj isKindOfClass:[NSDate class]]) {
+        v = [[QNPipeline dateFormatter] stringFromDate:(NSDate*)obj];
+    } else {
+        v = [obj description];
+    }
+    return v;
+}
+
+static void formatPoint(NSDictionary* event, NSMutableString* buffer) {
+    [event enumerateKeysAndObjectsUsingBlock:^(NSString* key, NSObject* obj, BOOL* stop) {
+        if (obj == nil || [obj isEqual:[NSNull null]]) {
+            return;
+        }
+        [buffer appendString:key];
+        [buffer appendString:@"="];
+        [buffer appendString:buildString(obj)];
+        [buffer appendString:@"\t"];
+    }];
+    NSRange range = NSMakeRange(buffer.length - 1, 1);
+    [buffer replaceCharactersInRange:range withString:@"\n"];
+}
+
+static NSMutableString* formatPoints(NSArray<NSDictionary*>* events) {
+    NSMutableString* str = [NSMutableString new];
+    [events enumerateObjectsUsingBlock:^(NSDictionary* _Nonnull obj, NSUInteger idx, BOOL* _Nonnull stop) {
+        formatPoint(obj, str);
+    }];
+    return str;
+}
+
+@implementation QNPipeline
+
+- (instancetype)init:(QNPipelineConfig*)config {
+    if (self = [super init]) {
+        if (config == nil) {
+            config = [QNPipelineConfig new];
+        }
+        _config = config;
+#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090)
+        _httpManager = [[QNSessionManager alloc] initWithProxy:nil timeout:config.timeoutInterval urlConverter:nil];
+#endif
+    }
+    return self;
+}
+
+- (void)pumpRepo:(NSString*)repo
+           event:(NSDictionary*)data
+           token:(NSString*)token
+         handler:(QNPipelineCompletionHandler)handler {
+    NSMutableString* str = [NSMutableString new];
+    formatPoint(data, str);
+    [self pumpRepo:repo string:str token:token handler:handler];
+}
+
+- (void)pumpRepo:(NSString*)repo
+          events:(NSArray<NSDictionary*>*)data
+           token:(NSString*)token
+         handler:(QNPipelineCompletionHandler)handler {
+    NSMutableString* str = formatPoints(data);
+    [self pumpRepo:repo string:str token:token handler:handler];
+}
+
+- (NSString*)url:(NSString*)repo {
+    return [NSString stringWithFormat:@"%@/v2/repos/%@/data", _config.host, repo];
+}
+
+- (void)pumpRepo:(NSString*)repo
+          string:(NSString*)str
+           token:(NSString*)token
+         handler:(QNPipelineCompletionHandler)handler {
+    NSDictionary* headers = @{ @"Authorization" : token,
+                               @"Content-Type" : @"text/plain" };
+    [_httpManager post:[self url:repo] withData:[str dataUsingEncoding:NSUTF8StringEncoding] withParams:nil withHeaders:headers withIdentifier:nil withCompleteBlock:^(QNResponseInfo *httpResponseInfo, NSDictionary *respBody) {
+        handler(httpResponseInfo);
+    } withProgressBlock:nil withCancelBlock:nil withAccess:nil];
+}
+
++ (NSDateFormatter*)dateFormatter {
+    static NSDateFormatter* formatter = nil;
+
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        formatter = [NSDateFormatter new];
+        [formatter setLocale:[NSLocale currentLocale]];
+        [formatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSXXX"];
+        [formatter setTimeZone:[NSTimeZone defaultTimeZone]];
+    });
+
+    return formatter;
+}
+
+@end

Pods/Qiniu/QiniuSDK/BigData/QNSessionManager.h

@@ -0,0 +1,50 @@
+
+
+#import <Foundation/Foundation.h>
+#import "QNConfiguration.h"
+
+#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090)
+
+@class QNResponseInfo;
+
+typedef void (^QNInternalProgressBlock)(long long totalBytesWritten, long long totalBytesExpectedToWrite);
+typedef void (^QNCompleteBlock)(QNResponseInfo *httpResponseInfo, NSDictionary *respBody);
+typedef BOOL (^QNCancelBlock)(void);
+
+
+@interface QNSessionManager : NSObject
+
+- (instancetype)initWithProxy:(NSDictionary *)proxyDict
+                      timeout:(UInt32)timeout
+                 urlConverter:(QNUrlConvert)converter;
+
+- (void)multipartPost:(NSString *)url
+             withData:(NSData *)data
+           withParams:(NSDictionary *)params
+         withFileName:(NSString *)key
+         withMimeType:(NSString *)mime
+   withIdentifier:(NSString *)identifier
+    withCompleteBlock:(QNCompleteBlock)completeBlock
+    withProgressBlock:(QNInternalProgressBlock)progressBlock
+      withCancelBlock:(QNCancelBlock)cancelBlock
+           withAccess:(NSString *)access;
+
+- (void)post:(NSString *)url
+             withData:(NSData *)data
+           withParams:(NSDictionary *)params
+          withHeaders:(NSDictionary *)headers
+    withIdentifier:(NSString *)identifier
+    withCompleteBlock:(QNCompleteBlock)completeBlock
+    withProgressBlock:(QNInternalProgressBlock)progressBlock
+      withCancelBlock:(QNCancelBlock)cancelBlock
+           withAccess:(NSString *)access;
+
+- (void)get:(NSString *)url
+          withHeaders:(NSDictionary *)headers
+    withCompleteBlock:(QNCompleteBlock)completeBlock;
+
+- (void)invalidateSessionWithIdentifier:(NSString *)identifier;
+
+@end
+
+#endif

Pods/Qiniu/QiniuSDK/BigData/QNSessionManager.m

@@ -0,0 +1,265 @@
+//
+//  QNHttpManager.m
+//  QiniuSDK
+//
+//  Created by bailong on 14/10/1.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+
+#import "QNAsyncRun.h"
+#import "QNConfiguration.h"
+#import "QNSessionManager.h"
+#import "QNUserAgent.h"
+
+#import "QNResponseInfo.h"
+#import "NSURLRequest+QNRequest.h"
+
+#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090)
+
+typedef void (^QNSessionComplete)(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error);
+@interface QNSessionDelegateHandler : NSObject <NSURLSessionDataDelegate>
+
+@property (nonatomic, copy) QNInternalProgressBlock progressBlock;
+@property (nonatomic, copy) QNCancelBlock cancelBlock;
+@property (nonatomic, copy) QNSessionComplete completeBlock;
+@property (nonatomic, strong) NSData *responseData;
+
+@end
+
+@implementation QNSessionDelegateHandler
+
+#pragma mark - NSURLSessionDataDelegate
+- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveResponse:(NSURLResponse *)response completionHandler:(void (^)(NSURLSessionResponseDisposition))completionHandler {
+    completionHandler(NSURLSessionResponseAllow);
+}
+
+- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data {
+    _responseData = data;
+}
+
+- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task
+didCompleteWithError:(nullable NSError *)error {
+    // bytes_sent & bytes_total
+    self.completeBlock(_responseData, task.response, error);
+    [session finishTasksAndInvalidate];
+}
+
+- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task
+             didSendBodyData:(int64_t)bytesSent
+              totalBytesSent:(int64_t)totalBytesSent
+    totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend {
+
+    if (_progressBlock) {
+        _progressBlock(totalBytesSent, totalBytesExpectedToSend);
+    }
+    if (_cancelBlock && _cancelBlock()) {
+        [task cancel];
+    }
+}
+
+- (uint64_t)getTimeintervalWithStartDate:(NSDate *)startDate endDate:(NSDate *)endDate {
+    
+    if (!startDate || !endDate) return 0;
+    NSTimeInterval interval = [endDate timeIntervalSinceDate:startDate];
+    return interval * 1000;
+}
+
+@end
+
+@interface QNSessionManager ()
+@property UInt32 timeout;
+@property (nonatomic, strong) QNUrlConvert converter;
+@property (nonatomic, strong) NSDictionary *proxyDict;
+@property (nonatomic, strong) NSOperationQueue *delegateQueue;
+@property (nonatomic, strong) NSMutableArray *sessionArray;
+@property (nonatomic, strong) NSLock *lock;
+@end
+
+@implementation QNSessionManager
+
+- (instancetype)initWithProxy:(NSDictionary *)proxyDict
+                      timeout:(UInt32)timeout
+                 urlConverter:(QNUrlConvert)converter {
+    if (self = [super init]) {
+        _delegateQueue = [[NSOperationQueue alloc] init];
+        _timeout = timeout;
+        _converter = converter;
+        _proxyDict = proxyDict;
+        _sessionArray = [NSMutableArray array];
+
+        _lock = [[NSLock alloc] init];
+    }
+    return self;
+}
+
+- (instancetype)init {
+    return [self initWithProxy:nil timeout:60 urlConverter:nil];
+}
+
+- (void)sendRequest:(NSMutableURLRequest *)request
+     withIdentifier:(NSString *)identifier
+  withCompleteBlock:(QNCompleteBlock)completeBlock
+  withProgressBlock:(QNInternalProgressBlock)progressBlock
+    withCancelBlock:(QNCancelBlock)cancelBlock
+         withAccess:(NSString *)access {
+    
+    NSString *domain = request.URL.host;
+    NSString *u = request.URL.absoluteString;
+    NSURL *url = request.URL;
+    if (_converter != nil) {
+        url = [[NSURL alloc] initWithString:_converter(u)];
+        request.URL = url;
+        domain = url.host;
+    }
+
+    request.qn_domain = request.URL.host;
+    [request setTimeoutInterval:_timeout];
+    [request setValue:[[QNUserAgent sharedInstance] getUserAgent:access] forHTTPHeaderField:@"User-Agent"];
+    [request setValue:nil forHTTPHeaderField:@"Accept-Language"];
+    
+    QNSessionDelegateHandler *delegate = [[QNSessionDelegateHandler alloc] init];
+    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
+    configuration.connectionProxyDictionary = _proxyDict ? _proxyDict : nil;
+
+    __block NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:delegate delegateQueue:_delegateQueue];
+    [_sessionArray addObject:@{@"identifier":identifier,@"session":session}];
+
+    delegate.cancelBlock = cancelBlock;
+    delegate.progressBlock = progressBlock ? progressBlock : ^(long long totalBytesWritten, long long totalBytesExpectedToWrite) {
+    };
+    delegate.completeBlock = ^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
+        [self finishSession:session];
+        NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
+        QNResponseInfo *info = [[QNResponseInfo alloc] initWithResponseInfoHost:request.qn_domain response:httpResponse body:data error:error];
+        completeBlock(info, info.responseDictionary);
+    };
+    
+    NSURLSessionDataTask *uploadTask = [session dataTaskWithRequest:request];
+    [uploadTask resume];
+}
+
+- (void)multipartPost:(NSString *)url
+             withData:(NSData *)data
+           withParams:(NSDictionary *)params
+         withFileName:(NSString *)key
+         withMimeType:(NSString *)mime
+       withIdentifier:(NSString *)identifier
+    withCompleteBlock:(QNCompleteBlock)completeBlock
+    withProgressBlock:(QNInternalProgressBlock)progressBlock
+      withCancelBlock:(QNCancelBlock)cancelBlock
+           withAccess:(NSString *)access {
+    NSURL *URL = [[NSURL alloc] initWithString:url];
+    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:URL cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:30];
+    request.HTTPMethod = @"POST";
+    NSString *boundary = @"werghnvt54wef654rjuhgb56trtg34tweuyrgf";
+    request.allHTTPHeaderFields = @{
+        @"Content-Type" : [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary]
+    };
+    NSMutableData *postData = [[NSMutableData alloc] init];
+    for (NSString *paramsKey in params) {
+        NSString *pair = [NSString stringWithFormat:@"--%@\r\nContent-Disposition: form-data; name=\"%@\"\r\n\r\n", boundary, paramsKey];
+        [postData appendData:[pair dataUsingEncoding:NSUTF8StringEncoding]];
+
+        id value = [params objectForKey:paramsKey];
+        if ([value isKindOfClass:[NSString class]]) {
+            [postData appendData:[value dataUsingEncoding:NSUTF8StringEncoding]];
+        } else if ([value isKindOfClass:[NSData class]]) {
+            [postData appendData:value];
+        }
+        [postData appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
+    }
+    NSString *filePair = [NSString stringWithFormat:@"--%@\r\nContent-Disposition: form-data; name=\"%@\"; filename=\"%@\"\nContent-Type:%@\r\n\r\n", boundary, @"file", key, mime];
+    [postData appendData:[filePair dataUsingEncoding:NSUTF8StringEncoding]];
+    [postData appendData:data];
+    [postData appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
+    request.HTTPBody = postData;
+    [request setValue:[NSString stringWithFormat:@"%lu", (unsigned long)postData.length] forHTTPHeaderField:@"Content-Length"];
+
+    [self sendRequest:request withIdentifier:identifier withCompleteBlock:completeBlock withProgressBlock:progressBlock withCancelBlock:cancelBlock
+               withAccess:access];
+}
+
+- (void)post:(NSString *)url
+             withData:(NSData *)data
+           withParams:(NSDictionary *)params
+          withHeaders:(NSDictionary *)headers
+withIdentifier:(NSString *)identifier
+    withCompleteBlock:(QNCompleteBlock)completeBlock
+    withProgressBlock:(QNInternalProgressBlock)progressBlock
+      withCancelBlock:(QNCancelBlock)cancelBlock
+           withAccess:(NSString *)access {
+    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[[NSURL alloc] initWithString:url]];
+    if (headers) {
+        [request setAllHTTPHeaderFields:headers];
+    }
+    [request setHTTPMethod:@"POST"];
+    if (params) {
+        [request setValuesForKeysWithDictionary:params];
+    }
+    [request setHTTPBody:data];
+    identifier = !identifier ? [[NSUUID UUID] UUIDString] : identifier;
+    QNAsyncRun(^{
+        [self sendRequest:request
+           withIdentifier:identifier
+            withCompleteBlock:completeBlock
+            withProgressBlock:progressBlock
+              withCancelBlock:cancelBlock
+                   withAccess:access];
+    });
+}
+
+- (void)get:(NSString *)url
+          withHeaders:(NSDictionary *)headers
+    withCompleteBlock:(QNCompleteBlock)completeBlock {
+    QNAsyncRun(^{
+        NSURL *URL = [NSURL URLWithString:url];
+
+//        NSString *domain = URL.host;
+        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL];
+        request.qn_domain = URL.host;
+        QNSessionDelegateHandler *delegate = [[QNSessionDelegateHandler alloc] init];
+        NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
+        __block NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:delegate delegateQueue:self.delegateQueue];
+        NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request];
+        delegate.cancelBlock = nil;
+        delegate.progressBlock = nil;
+        delegate.completeBlock = ^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
+            [self finishSession:session];
+            NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
+            QNResponseInfo *info = [[QNResponseInfo alloc] initWithResponseInfoHost:request.qn_domain response:httpResponse body:data error:error];
+            completeBlock(info, info.responseDictionary);
+        };
+        [dataTask resume];
+    });
+}
+
+- (void)finishSession:(NSURLSession *)session {
+    [_lock lock];
+    for (int i = 0; i < _sessionArray.count; i++) {
+        NSDictionary *sessionInfo = _sessionArray[i];
+        if (sessionInfo[@"session"] == session) {
+            [session finishTasksAndInvalidate];
+            [_sessionArray removeObject:sessionInfo];
+            break;
+        }
+    }
+    [_lock unlock];
+}
+
+- (void)invalidateSessionWithIdentifier:(NSString *)identifier {
+    [_lock lock];
+    for (int i = 0; i < _sessionArray.count; i++) {
+        NSDictionary *sessionInfo = _sessionArray[i];
+        if ([sessionInfo[@"identifier"] isEqualToString:identifier]) {
+            NSURLSession *session = sessionInfo[@"session"];
+            [session invalidateAndCancel];
+            [_sessionArray removeObject:sessionInfo];
+            break;
+        }
+    }
+    [_lock unlock];
+}
+
+@end
+
+#endif

Pods/Qiniu/QiniuSDK/Collect/QNReportConfig.h

@@ -0,0 +1,60 @@
+//
+//  QNReportConfig.h
+//  QiniuSDK
+//
+//  Created by 杨森 on 2020/7/14.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNReportConfig : NSObject
+
+- (id)init __attribute__((unavailable("Use sharedInstance: instead.")));
++ (instancetype)sharedInstance;
+
+/**
+ *  是否开启sdk上传信息搜集  默认为YES
+ */
+@property (nonatomic, assign, getter=isReportEnable) BOOL reportEnable;
+
+/**
+ *  每次上传时间间隔  单位：分钟  默认为0.5分钟
+ */
+@property (nonatomic, assign) double interval;
+
+/**
+ *  记录文件大于 uploadThreshold 会触发上传，单位：字节  默认为16 * 1024
+ */
+@property (nonatomic, assign) uint64_t uploadThreshold;
+
+/**
+ *  记录文件最大值  要大于 uploadThreshold  单位：字节  默认为20 * 1024 * 1024
+ */
+@property (nonatomic, assign) uint64_t maxRecordFileSize;
+
+/**
+ *  记录文件所在文件夹目录  默认为：.../沙盒/Library/Caches/com.qiniu.report
+ */
+@property (nonatomic, copy) NSString *recordDirectory;
+
+/**
+ *  信息上报服务器地址
+ */
+@property (nonatomic, copy, readonly) NSString *serverURL;
+
+/**
+ *  信息上报服务器地址 host
+ */
+@property (nonatomic, copy, readonly) NSString *serverHost;
+
+/**
+ *  信息上报请求超时时间  单位：秒  默认为10秒
+ */
+@property (nonatomic, assign, readonly) NSTimeInterval timeoutInterval;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Collect/QNReportConfig.m

@@ -0,0 +1,42 @@
+//
+//  QNReportConfig.m
+//  QiniuSDK
+//
+//  Created by 杨森 on 2020/7/14.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNReportConfig.h"
+#import "QNConfig.h"
+#import "QNUtils.h"
+
+@implementation QNReportConfig
+
++ (instancetype)sharedInstance {
+    
+    static QNReportConfig *sharedInstance = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        sharedInstance = [[self alloc] init];
+    });
+    return sharedInstance;
+}
+
+- (instancetype)init {
+    self = [super init];
+    if (self) {
+        _reportEnable = YES;
+        _interval = 0.5;
+        _serverHost = kQNUpLogHost;
+        _recordDirectory = [NSString stringWithFormat:@"%@/report", [QNUtils sdkCacheDirectory]];
+        _maxRecordFileSize = 20 * 1024 * 1024;
+        _uploadThreshold = 16 * 1024;
+        _timeoutInterval = 10;
+    }
+    return self;
+}
+
+- (NSString *)serverURL {
+    return [NSString stringWithFormat:@"https://%@/log/4?compressed=gzip", _serverHost];
+}
+@end

Pods/Qiniu/QiniuSDK/Collect/QNReportItem.h

@@ -0,0 +1,143 @@
+//
+//  QNReportItem.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/5/12.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNUploadInfoReporter.h"
+#import "QNResponseInfo.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNReportItem : NSObject
+
++ (instancetype)item;
+
+/// 设置打点日志字段
+/// @param value log value
+/// @param key log key
+- (void)setReportValue:(id _Nullable)value forKey:(NSString * _Nullable)key;
+
+/// 移除打点日志字段
+/// @param key log key
+- (void)removeReportValueForKey:(NSString * _Nullable)key;
+
+@end
+
+
+@interface QNUploadInfoReporter(ReportItem)
+
+- (void)reportItem:(QNReportItem *)item token:(NSString *)token;
+
+@end
+
+
+@interface QNResponseInfo(Report)
+
+@property(nonatomic, assign, readonly)NSNumber *requestReportStatusCode;
+@property(nonatomic,   copy, readonly)NSString *requestReportErrorType;
+
+@property(nonatomic,   copy, readonly)NSString *qualityResult;
+
+@end
+
+
+
+//MARK:-- 日志类型
+extern NSString *const QNReportLogTypeRequest;
+extern NSString *const QNReportLogTypeBlock;
+extern NSString *const QNReportLogTypeQuality;
+
+//MARK:-- 请求信息打点⽇志
+extern NSString *const QNReportRequestKeyLogType;
+extern NSString *const QNReportRequestKeyUpTime;
+extern NSString *const QNReportRequestKeyStatusCode;
+extern NSString *const QNReportRequestKeyRequestId;
+extern NSString *const QNReportRequestKeyHost;
+extern NSString *const QNReportRequestKeyHttpVersion;
+extern NSString *const QNReportRequestKeyRemoteIp;
+extern NSString *const QNReportRequestKeyPort;
+extern NSString *const QNReportRequestKeyTargetBucket;
+extern NSString *const QNReportRequestKeyTargetKey;
+extern NSString *const QNReportRequestKeyTotalElapsedTime;
+extern NSString *const QNReportRequestKeyDnsElapsedTime;
+extern NSString *const QNReportRequestKeyConnectElapsedTime;
+extern NSString *const QNReportRequestKeyTLSConnectElapsedTime;
+extern NSString *const QNReportRequestKeyRequestElapsedTime;
+extern NSString *const QNReportRequestKeyWaitElapsedTime;
+extern NSString *const QNReportRequestKeyResponseElapsedTime;
+extern NSString *const QNReportRequestKeyFileOffset;
+extern NSString *const QNReportRequestKeyBytesSent;
+extern NSString *const QNReportRequestKeyBytesTotal;
+extern NSString *const QNReportRequestKeyPid;
+extern NSString *const QNReportRequestKeyTid;
+extern NSString *const QNReportRequestKeyTargetRegionId;
+extern NSString *const QNReportRequestKeyCurrentRegionId;
+extern NSString *const QNReportRequestKeyErrorType;
+extern NSString *const QNReportRequestKeyErrorDescription;
+extern NSString *const QNReportRequestKeyUpType;
+extern NSString *const QNReportRequestKeyOsName;
+extern NSString *const QNReportRequestKeyOsVersion;
+extern NSString *const QNReportRequestKeySDKName;
+extern NSString *const QNReportRequestKeySDKVersion;
+extern NSString *const QNReportRequestKeyClientTime;
+extern NSString *const QNReportRequestKeyHttpClient;
+extern NSString *const QNReportRequestKeyNetworkType;
+extern NSString *const QNReportRequestKeySignalStrength;
+extern NSString *const QNReportRequestKeyPrefetchedDnsSource;
+extern NSString *const QNReportRequestKeyDnsSource;
+extern NSString *const QNReportRequestKeyDnsErrorMessage;
+extern NSString *const QNReportRequestKeyPrefetchedBefore;
+extern NSString *const QNReportRequestKeyPrefetchedErrorMessage;
+extern NSString *const QNReportRequestKeyNetworkMeasuring;
+extern NSString *const QNReportRequestKeyPerceptiveSpeed;
+extern NSString *const QNReportRequestKeyHijacking;
+
+//MARK:-- 分块上传统计⽇志
+extern NSString *const QNReportBlockKeyLogType;
+extern NSString *const QNReportBlockKeyUpTime;
+extern NSString *const QNReportBlockKeyTargetBucket;
+extern NSString *const QNReportBlockKeyTargetKey;
+extern NSString *const QNReportBlockKeyTargetRegionId;
+extern NSString *const QNReportBlockKeyCurrentRegionId;
+extern NSString *const QNReportBlockKeyTotalElapsedTime;
+extern NSString *const QNReportBlockKeyBytesSent;
+extern NSString *const QNReportBlockKeyRecoveredFrom;
+extern NSString *const QNReportBlockKeyFileSize;
+extern NSString *const QNReportBlockKeyPid;
+extern NSString *const QNReportBlockKeyTid;
+extern NSString *const QNReportBlockKeyUpApiVersion;
+extern NSString *const QNReportBlockKeyClientTime;
+extern NSString *const QNReportBlockKeyOsName;
+extern NSString *const QNReportBlockKeyOsVersion;
+extern NSString *const QNReportBlockKeySDKName;
+extern NSString *const QNReportBlockKeySDKVersion;
+extern NSString *const QNReportBlockKeyPerceptiveSpeed;
+extern NSString *const QNReportBlockKeyHijacking;
+
+//MARK:-- 上传质量统计
+extern NSString *const QNReportQualityKeyLogType;
+extern NSString *const QNReportQualityKeyUpType;
+extern NSString *const QNReportQualityKeyUpTime;
+extern NSString *const QNReportQualityKeyResult;
+extern NSString *const QNReportQualityKeyTargetBucket;
+extern NSString *const QNReportQualityKeyTargetKey;
+extern NSString *const QNReportQualityKeyTotalElapsedTime;
+extern NSString *const QNReportQualityKeyUcQueryElapsedTime;
+extern NSString *const QNReportQualityKeyRequestsCount;
+extern NSString *const QNReportQualityKeyRegionsCount;
+extern NSString *const QNReportQualityKeyBytesSent;
+extern NSString *const QNReportQualityKeyFileSize;
+extern NSString *const QNReportQualityKeyCloudType;
+extern NSString *const QNReportQualityKeyErrorType;
+extern NSString *const QNReportQualityKeyErrorDescription;
+extern NSString *const QNReportQualityKeyOsName;
+extern NSString *const QNReportQualityKeyOsVersion;
+extern NSString *const QNReportQualityKeySDKName;
+extern NSString *const QNReportQualityKeySDKVersion;
+extern NSString *const QNReportQualityKeyPerceptiveSpeed;
+extern NSString *const QNReportQualityKeyHijacking;
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Collect/QNReportItem.m

@@ -0,0 +1,257 @@
+//
+//  QNReportItem.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/5/12.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNReportItem.h"
+#import "QNAsyncRun.h"
+#import "QNLogUtil.h"
+
+@interface QNReportItem()
+
+@property(nonatomic, strong)NSMutableDictionary *keyValues;
+
+@end
+@implementation QNReportItem
+
++ (instancetype)item{
+    QNReportItem *item = [[QNReportItem alloc] init];
+    return item;
+}
+
+- (instancetype)init{
+    if (self = [super init]) {
+        [self initData];
+    }
+    return self;
+}
+
+- (void)initData{
+    _keyValues = [NSMutableDictionary dictionary];
+}
+
+- (void)setReportValue:(id _Nullable)value forKey:(NSString * _Nullable)key{
+    if (!value || !key || ![key isKindOfClass:[NSString class]]) {
+        return;
+    }
+    if ([value isKindOfClass:[NSString class]] && [(NSString *)value length] > 1024) {
+        value = [(NSString *)value substringToIndex:1024];
+    }
+    [self.keyValues setValue:value forKey:key];
+}
+
+- (void)removeReportValueForKey:(NSString * _Nullable)key{
+    if (!key) {
+        return;
+    }
+    [self.keyValues removeObjectForKey:key];
+}
+
+
+- (NSString *)toJson{
+    
+    NSString *jsonString = @"{}";
+    if (!self.keyValues || self.keyValues.count == 0) {
+        return jsonString;
+    }
+    
+    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:self.keyValues
+                                                       options:NSJSONWritingFragmentsAllowed
+                                                         error:nil];
+    if (!jsonData) {
+        return jsonString;
+    }
+    
+    jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
+    return jsonString;
+}
+
+@end
+
+@implementation QNUploadInfoReporter(ReportItem)
+
+- (void)reportItem:(QNReportItem *)item token:(NSString *)token{
+    NSString *itemJsonString = [item toJson];
+    QNLogInfo(@"up log:%@", itemJsonString);
+    if (itemJsonString && ![itemJsonString isEqualToString:@"{}"]) {
+        [kQNReporter report:itemJsonString token:token];
+    }
+}
+
+@end
+
+@implementation QNResponseInfo(Report)
+
+- (NSNumber *)requestReportStatusCode{
+    return @(self.statusCode);
+}
+
+- (NSString *)requestReportErrorType{
+    NSString *errorType = nil;
+    if (self.statusCode == -1){
+        errorType = @"network_error";
+    } else if (self.statusCode == kQNLocalIOError){
+        errorType = @"local_io_error";
+    } else if (self.statusCode == 100){
+        errorType = @"protocol_error";
+    } else if (self.statusCode > 199 && self.statusCode < 300) {
+//        NSURLErrorFailingURLErrorKey
+    } else if (self.statusCode > 299){
+        errorType = @"response_error";
+    } else if (self.statusCode == -1003){
+        errorType = @"unknown_host";
+    } else if (self.statusCode == -1009){
+           errorType = @"network_slow";
+    } else if (self.statusCode == -1001){
+           errorType = @"timeout";
+    } else if (self.statusCode == -1004){
+        errorType = @"cannot_connect_to_host";
+    } else if (self.statusCode == -1005 || self.statusCode == -1021){
+        errorType = @"transmission_error";
+    } else if ((self.statusCode <= -1200 && self.statusCode >= -1206) || self.statusCode == -2000 || self.statusCode == -9807){
+        errorType = @"ssl_error";
+    } else if (self.statusCode == -1015 || self.statusCode == -1016 || self.statusCode == -1017){
+        errorType = @"parse_error";
+    } else if (self.statusCode == -1007 || self.statusCode == -1010 || self.statusCode == kQNMaliciousResponseError){
+        errorType = @"malicious_response";
+    } else if (self.statusCode == kQNUnexpectedSysCallError
+               || (self.statusCode > -1130 && self.statusCode <= -1010)){
+        errorType = @"unexpected_syscall_error";
+    } else if (self.statusCode == kQNRequestCancelled
+               || self.statusCode == NSURLErrorCancelled){
+        errorType = @"user_canceled";
+    } else {
+        errorType = @"unknown_error";
+    }
+    return errorType;
+}
+
+- (NSString *)qualityResult{
+    
+    NSString *result = nil;
+    
+    if (self.statusCode > 199 && self.statusCode < 300) {
+        result = @"ok";
+    } else if (self.statusCode > 399 &&
+               (self.statusCode < 500 || self.statusCode == 573 || self.statusCode == 579 ||
+                self.statusCode == 608 || self.statusCode == 612 || self.statusCode == 614 || self.statusCode == 630 || self.statusCode == 631 ||
+                self.statusCode == 701)) {
+        result = @"bad_request";
+    } else if (self.statusCode == kQNZeroDataSize){
+        result = @"zero_size_file";
+    } else if (self.statusCode == kQNFileError){
+        result = @"invalid_file";
+    } else if (self.statusCode == kQNInvalidToken
+            || self.statusCode == kQNInvalidArgument){
+        result = @"invalid_args";
+    }
+    
+    if (result == nil) {
+        result = [self requestReportErrorType];
+    }
+    
+    return result;
+}
+
+@end
+
+
+//MARK:-- 日志类型
+NSString * const QNReportLogTypeRequest = @"request";
+NSString * const QNReportLogTypeBlock = @"block";
+NSString * const QNReportLogTypeQuality = @"quality";
+
+
+//MARK:-- 请求信息打点⽇志
+NSString * const QNReportRequestKeyLogType = @"log_type";
+NSString * const QNReportRequestKeyUpTime = @"up_time";
+NSString * const QNReportRequestKeyStatusCode = @"status_code";
+NSString * const QNReportRequestKeyRequestId = @"req_id";
+NSString * const QNReportRequestKeyHost = @"host";
+NSString * const QNReportRequestKeyHttpVersion = @"http_version";
+NSString * const QNReportRequestKeyRemoteIp = @"remote_ip";
+NSString * const QNReportRequestKeyPort = @"port";
+NSString * const QNReportRequestKeyTargetBucket = @"target_bucket";
+NSString * const QNReportRequestKeyTargetKey = @"target_key";
+NSString * const QNReportRequestKeyTotalElapsedTime = @"total_elapsed_time";
+NSString * const QNReportRequestKeyDnsElapsedTime = @"dns_elapsed_time";
+NSString * const QNReportRequestKeyConnectElapsedTime = @"connect_elapsed_time";
+NSString * const QNReportRequestKeyTLSConnectElapsedTime = @"tls_connect_elapsed_time";
+NSString * const QNReportRequestKeyRequestElapsedTime = @"request_elapsed_time";
+NSString * const QNReportRequestKeyWaitElapsedTime = @"wait_elapsed_time";
+NSString * const QNReportRequestKeyResponseElapsedTime = @"response_elapsed_time";
+NSString * const QNReportRequestKeyFileOffset = @"file_offset";
+NSString * const QNReportRequestKeyBytesSent = @"bytes_sent";
+NSString * const QNReportRequestKeyBytesTotal = @"bytes_total";
+NSString * const QNReportRequestKeyPid = @"pid";
+NSString * const QNReportRequestKeyTid = @"tid";
+NSString * const QNReportRequestKeyTargetRegionId = @"target_region_id";
+NSString * const QNReportRequestKeyCurrentRegionId = @"current_region_id";
+NSString * const QNReportRequestKeyErrorType = @"error_type";
+NSString * const QNReportRequestKeyErrorDescription = @"error_description";
+NSString * const QNReportRequestKeyUpType = @"up_type";
+NSString * const QNReportRequestKeyOsName = @"os_name";
+NSString * const QNReportRequestKeyOsVersion = @"os_version";
+NSString * const QNReportRequestKeySDKName = @"sdk_name";
+NSString * const QNReportRequestKeySDKVersion = @"sdk_version";
+NSString * const QNReportRequestKeyClientTime = @"client_time";
+NSString * const QNReportRequestKeyHttpClient = @"http_client";
+NSString * const QNReportRequestKeyNetworkType = @"network_type";
+NSString * const QNReportRequestKeySignalStrength = @"signal_strength";
+NSString * const QNReportRequestKeyPrefetchedDnsSource = @"prefetched_dns_source";
+NSString * const QNReportRequestKeyDnsSource = @"dns_source";
+NSString * const QNReportRequestKeyDnsErrorMessage = @"dns_error_message";
+NSString * const QNReportRequestKeyPrefetchedBefore = @"prefetched_before";
+NSString * const QNReportRequestKeyPrefetchedErrorMessage = @"prefetched_error_message";
+NSString * const QNReportRequestKeyNetworkMeasuring = @"network_measuring";
+NSString * const QNReportRequestKeyPerceptiveSpeed = @"perceptive_speed";
+NSString * const QNReportRequestKeyHijacking = @"hijacking";
+
+//MARK:-- 分块上传统计⽇志
+NSString * const QNReportBlockKeyLogType = @"log_type";
+NSString * const QNReportBlockKeyUpTime = @"up_time";
+NSString * const QNReportBlockKeyTargetBucket = @"target_bucket";
+NSString * const QNReportBlockKeyTargetKey = @"target_key";
+NSString * const QNReportBlockKeyTargetRegionId = @"target_region_id";
+NSString * const QNReportBlockKeyCurrentRegionId = @"current_region_id";
+NSString * const QNReportBlockKeyTotalElapsedTime = @"total_elapsed_time";
+NSString * const QNReportBlockKeyBytesSent = @"bytes_sent";
+NSString * const QNReportBlockKeyRecoveredFrom = @"recovered_from";
+NSString * const QNReportBlockKeyFileSize = @"file_size";
+NSString * const QNReportBlockKeyPid = @"pid";
+NSString * const QNReportBlockKeyTid = @"tid";
+NSString * const QNReportBlockKeyUpApiVersion = @"up_api_version";
+NSString * const QNReportBlockKeyClientTime = @"client_time";
+NSString * const QNReportBlockKeyOsName = @"os_name";
+NSString * const QNReportBlockKeyOsVersion = @"os_version";
+NSString * const QNReportBlockKeySDKName = @"sdk_name";
+NSString * const QNReportBlockKeySDKVersion = @"sdk_version";
+NSString * const QNReportBlockKeyPerceptiveSpeed = @"perceptive_speed";
+NSString * const QNReportBlockKeyHijacking = @"hijacking";
+
+
+//MARK:-- 上传质量统计
+NSString * const QNReportQualityKeyLogType = @"log_type";
+NSString * const QNReportQualityKeyUpType = @"up_type";
+NSString * const QNReportQualityKeyUpTime = @"up_time";
+NSString * const QNReportQualityKeyResult = @"result";
+NSString * const QNReportQualityKeyTargetBucket = @"target_bucket";
+NSString * const QNReportQualityKeyTargetKey = @"target_key";
+NSString * const QNReportQualityKeyTotalElapsedTime = @"total_elapsed_time";
+NSString * const QNReportQualityKeyUcQueryElapsedTime = @"uc_query_elapsed_time";
+NSString * const QNReportQualityKeyRequestsCount = @"requests_count";
+NSString * const QNReportQualityKeyRegionsCount = @"regions_count";
+NSString * const QNReportQualityKeyBytesSent = @"bytes_sent";
+NSString * const QNReportQualityKeyFileSize = @"file_size";
+NSString * const QNReportQualityKeyCloudType = @"cloud_type";
+NSString * const QNReportQualityKeyErrorType = @"error_type";
+NSString * const QNReportQualityKeyErrorDescription = @"error_description";
+NSString * const QNReportQualityKeyOsName = @"os_name";
+NSString * const QNReportQualityKeyOsVersion = @"os_version";
+NSString * const QNReportQualityKeySDKName = @"sdk_name";
+NSString * const QNReportQualityKeySDKVersion = @"sdk_version";
+NSString * const QNReportQualityKeyPerceptiveSpeed = @"perceptive_speed";
+NSString * const QNReportQualityKeyHijacking = @"hijacking";

Pods/Qiniu/QiniuSDK/Collect/QNUploadInfoReporter.h

@@ -0,0 +1,36 @@
+//
+//  QNUploadInfoReporter.h
+//  QiniuSDK
+//
+//  Created by WorkSpace_Sun on 2019/6/24.
+//  Copyright © 2019 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+#import <UIKit/UIKit.h>
+#endif
+
+
+#define kQNReporter [QNUploadInfoReporter sharedInstance]
+@interface QNUploadInfoReporter : NSObject
+
+- (id)init __attribute__((unavailable("Use sharedInstance: instead.")));
++ (instancetype)sharedInstance;
+
+/**
+*    上报统计信息
+*
+*    @param jsonString  需要记录的json字符串
+*    @param token   上传凭证
+*
+*/
+- (void)report:(NSString *)jsonString token:(NSString *)token;
+
+/**
+ *    清空统计信息
+ */
+- (void)clean;
+
+@end
+

Pods/Qiniu/QiniuSDK/Collect/QNUploadInfoReporter.m

@@ -0,0 +1,242 @@
+//
+//  QNUploadInfoReporter.m
+//  QiniuSDK
+//
+//  Created by WorkSpace_Sun on 2019/6/24.
+//  Copyright © 2019 Qiniu. All rights reserved.
+//
+#import "QNDefine.h"
+#import "QNZoneInfo.h"
+#import "QNUploadInfoReporter.h"
+#import "QNResponseInfo.h"
+#import "QNUtils.h"
+#import "QNFile.h"
+#import "QNUpToken.h"
+#import "QNUserAgent.h"
+#import "QNAsyncRun.h"
+#import "QNVersion.h"
+#import "QNReportConfig.h"
+#import "NSData+QNGZip.h"
+#import "QNTransactionManager.h"
+#import "QNRequestTransaction.h"
+
+#define kQNUplogDelayReportTransactionName @"com.qiniu.uplog"
+
+@interface QNUploadInfoReporter ()
+
+@property (nonatomic, strong) QNReportConfig *config;
+@property (nonatomic, assign) NSTimeInterval lastReportTime;
+@property (nonatomic, strong) NSString *recorderFilePath;
+@property (nonatomic, strong) NSString *recorderTempFilePath;
+@property (nonatomic, copy) NSString *X_Log_Client_Id;
+
+@property (nonatomic, strong) QNRequestTransaction *transaction;
+@property (nonatomic, assign) BOOL isReporting;
+
+@property (nonatomic, strong) dispatch_queue_t recordQueue;
+@property (nonatomic, strong) dispatch_semaphore_t semaphore;
+@end
+
+@implementation QNUploadInfoReporter
+
++ (instancetype)sharedInstance {
+    
+    static QNUploadInfoReporter *sharedInstance = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        sharedInstance = [[self alloc] init];
+    });
+    return sharedInstance;
+}
+
+- (instancetype)init {
+    
+    self = [super init];
+    if (self) {
+        _config = [QNReportConfig sharedInstance];
+        _lastReportTime = 0;
+        _recorderFilePath = [NSString stringWithFormat:@"%@/%@", _config.recordDirectory, @"qiniu.log"];
+        _recorderTempFilePath = [NSString stringWithFormat:@"%@/%@", _config.recordDirectory, @"qiniuTemp.log"];
+        _recordQueue = dispatch_queue_create("com.qiniu.reporter", DISPATCH_QUEUE_SERIAL);
+    }
+    return self;
+}
+
+- (void)clean {
+    [self cleanRecorderFile];
+    [self cleanTempRecorderFile];
+}
+
+- (void)cleanRecorderFile {
+    NSFileManager *manager = [NSFileManager defaultManager];
+    if ([manager fileExistsAtPath:_recorderFilePath]) {
+        NSError *error = nil;
+        [manager removeItemAtPath:_recorderFilePath error:&error];
+        if (error) {
+            NSLog(@"remove recorder file failed: %@", error);
+            return;
+        }
+    }
+}
+
+- (void)cleanTempRecorderFile {
+    NSFileManager *manager = [NSFileManager defaultManager];
+    if ([manager fileExistsAtPath:_recorderTempFilePath]) {
+        NSError *error = nil;
+        [manager removeItemAtPath:_recorderTempFilePath error:&error];
+        if (error) {
+            NSLog(@"remove recorder temp file failed: %@", error);
+            return;
+        }
+    }
+}
+
+- (BOOL)checkReportAvailable {
+    if (!_config.isReportEnable) {
+        return NO;
+    }
+    if (_config.maxRecordFileSize <= _config.uploadThreshold) {
+        NSLog(@"maxRecordFileSize must be larger than uploadThreshold");
+        return NO;
+    }
+    return YES;
+}
+
+- (void)report:(NSString *)jsonString token:(NSString *)token {
+    
+    if (![self checkReportAvailable] || !jsonString || !token || token.length == 0) {
+        return;
+    }
+    
+    // 串行队列处理文件读写
+    dispatch_async(self.recordQueue, ^{
+        [kQNReporter saveReportJsonString:jsonString];
+        [kQNReporter reportToServerIfNeeded:token];
+    });
+}
+
+- (void)saveReportJsonString:(NSString *)jsonString {
+    NSString *finalRecordInfo = [jsonString stringByAppendingString:@"\n"];
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    if (![fileManager fileExistsAtPath:self.recorderFilePath]) {
+        // 如果recordFile不存在，创建文件并写入首行，首次不上传
+        [finalRecordInfo writeToFile:_recorderFilePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
+    } else {
+        NSDictionary *recorderFileAttr = [fileManager attributesOfItemAtPath:self.recorderFilePath error:nil];
+        if ([recorderFileAttr fileSize] > self.config.maxRecordFileSize) {
+            return;
+        }
+        
+        NSFileHandle *fileHandler = nil;
+        @try {
+            // 上传信息写入recorder文件
+            fileHandler = [NSFileHandle fileHandleForUpdatingAtPath:_recorderFilePath];
+            [fileHandler seekToEndOfFile];
+            [fileHandler writeData: [finalRecordInfo dataUsingEncoding:NSUTF8StringEncoding]];
+        } @catch (NSException *exception) {
+            NSLog(@"NSFileHandle cannot write data: %@", exception.description);
+        } @finally {
+            [fileHandler closeFile];
+        }
+    }
+}
+
+- (void)reportToServerIfNeeded:(NSString *)tokenString {
+    BOOL needToReport = NO;
+    long currentTime = [[NSDate date] timeIntervalSince1970];
+    long interval = self.config.interval * 10;
+    
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    NSDictionary *recorderFileAttr = [fileManager attributesOfItemAtPath:self.recorderFilePath error:nil];
+    if ([fileManager fileExistsAtPath:self.recorderTempFilePath]) {
+        needToReport = YES;
+    } else if ((self.lastReportTime == 0 || (currentTime - self.lastReportTime) >= interval || [recorderFileAttr fileSize] > self.config.uploadThreshold) &&
+            ([fileManager moveItemAtPath:self.recorderFilePath toPath:self.recorderTempFilePath error:nil])) {
+        needToReport = YES;
+    }
+    
+    if (needToReport && !self.isReporting) {
+        [self reportToServer:tokenString];
+    } else {
+        // 有未上传日志存在，则 interval 时间后再次重试一次
+        if (![fileManager fileExistsAtPath:self.recorderFilePath] || [recorderFileAttr fileSize] == 0) {
+            return;
+        }
+        
+        NSArray *transactionList = [kQNTransactionManager transactionsForName:kQNUplogDelayReportTransactionName];
+        if (transactionList != nil && transactionList.count > 1) {
+            return;
+        }
+
+        if (transactionList != nil && transactionList.count == 1) {
+            QNTransaction *transaction = transactionList.firstObject;
+            if (transaction != nil && !transaction.isExecuting) {
+                return;
+            }
+        }
+        
+        QNTransaction *transaction = [QNTransaction transaction:kQNUplogDelayReportTransactionName after:interval action:^{
+            [kQNReporter reportToServerIfNeeded:tokenString];
+        }];
+        [kQNTransactionManager addTransaction:transaction];
+    }
+}
+
+
+- (void)reportToServer:(NSString *)tokenString {
+    if (tokenString == nil) {
+        return;
+    }
+    QNUpToken *token = [QNUpToken parse:tokenString];
+    if (!token.isValid) {
+        return;
+    }
+    
+    NSData *logData = [self getLogData];
+    if (logData == nil) {
+        return;
+    }
+    
+    self.isReporting = YES;
+    logData = [NSData qn_gZip:logData];
+    QNRequestTransaction *transaction = [self createUploadRequestTransaction:token];
+    [transaction reportLog:logData logClientId:self.X_Log_Client_Id complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        if (responseInfo.isOK) {
+            self.lastReportTime = [[NSDate dateWithTimeIntervalSinceNow:0] timeIntervalSince1970];
+            if (!self.X_Log_Client_Id) {
+                self.X_Log_Client_Id = responseInfo.responseHeader[@"x-log-client-id"];
+            }
+            [self cleanTempRecorderFile];
+        } else {
+            NSLog(@"upload info report failed: %@", responseInfo);
+        }
+        
+        self.isReporting = NO;
+        [self destroyUploadRequestTransaction:transaction];
+    }];
+}
+
+- (NSData *)getLogData {
+    return [NSData dataWithContentsOfFile:_recorderTempFilePath];
+}
+
+- (QNRequestTransaction *)createUploadRequestTransaction:(QNUpToken *)token{
+    if (self.config.serverURL) {
+        
+    }
+    NSArray *hosts = nil;
+    if (self.config.serverHost) {
+        hosts = @[self.config.serverHost];
+    }
+    QNRequestTransaction *transaction = [[QNRequestTransaction alloc] initWithHosts:hosts
+                                                                           regionId:QNZoneInfoEmptyRegionId
+                                                                              token:token];
+    self.transaction = transaction;
+    return transaction;
+}
+
+- (void)destroyUploadRequestTransaction:(QNRequestTransaction *)transaction{
+    self.transaction = nil;
+}
+
+@end

Pods/Qiniu/QiniuSDK/Common/QNAutoZone.h

@@ -0,0 +1,27 @@
+//
+//  QNAutoZone.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/16.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNZone.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class QNFixedZone;
+@interface QNAutoZone : QNZone
+
++ (instancetype)zoneWithUcHosts:(NSArray *)ucHosts;
+
++ (void)clearCache;
+
+/**
+ * 当 查询失败时，会使用 zones 进行上传，默认不配置。
+ */
+- (void)setDefaultZones:(NSArray <QNFixedZone *> *)zones;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Common/QNAutoZone.m

@@ -0,0 +1,254 @@
+//
+//  QNAutoZone.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/16.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNDefine.h"
+#import "QNCache.h"
+#import "QNUtils.h"
+#import "QNAutoZone.h"
+#import "QNConfig.h"
+#import "QNRequestTransaction.h"
+#import "QNZoneInfo.h"
+#import "QNUpToken.h"
+#import "QNUploadOption.h"
+#import "QNConfiguration.h"
+#import "QNResponseInfo.h"
+#import "QNFixedZone.h"
+#import "QNSingleFlight.h"
+#import "QNFileRecorder.h"
+#import "QNUrlSafeBase64.h"
+#import "QNUploadRequestMetrics.h"
+
+@interface QNUCQuerySingleFlightValue : NSObject
+
+@property(nonatomic, strong) QNResponseInfo *responseInfo;
+@property(nonatomic, strong) NSDictionary *response;
+@property(nonatomic, strong) QNUploadRegionRequestMetrics *metrics;
+
+@end
+
+@implementation QNUCQuerySingleFlightValue
+@end
+
+@interface QNAutoZone ()
+
+@property(nonatomic, strong) NSArray *ucHosts;
+@property(nonatomic, strong) QNFixedZone *defaultZone;
+// 已经查询到的区域信息
+@property(nonatomic, strong) NSMutableDictionary <NSString *, QNZonesInfo *> *zonesDic;
+@property(nonatomic, strong) NSMutableArray <QNRequestTransaction *> *transactions;
+
+@end
+
+@implementation QNAutoZone
+
++ (QNSingleFlight *)UCQuerySingleFlight {
+    static QNSingleFlight *singleFlight = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        singleFlight = [[QNSingleFlight alloc] init];
+    });
+    return singleFlight;
+}
+
++ (instancetype)zoneWithUcHosts:(NSArray *)ucHosts {
+    QNAutoZone *zone = [[self alloc] init];
+    zone.ucHosts = [ucHosts copy];
+    return zone;
+}
+
++ (QNCache *)zoneShareCache {
+    static QNCache *queryCache;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        QNCacheOption *option = [[QNCacheOption alloc] init];
+        option.version = @"v2";
+        queryCache = [QNCache cache:[QNZonesInfo class] option:option];
+    });
+    return queryCache;
+}
+
++ (void)clearCache {
+    [[QNAutoZone zoneShareCache] clearMemoryCache];
+    [[QNAutoZone zoneShareCache] clearDiskCache];
+}
+
+- (instancetype)init {
+    if (self = [super init]) {
+        _zonesDic = [NSMutableDictionary dictionary];
+        _transactions = [NSMutableArray array];
+    }
+    return self;
+}
+
+- (void)setDefaultZones:(NSArray <QNFixedZone *> *)zones {
+    self.defaultZone = [QNFixedZone combineZones:zones];
+}
+
+- (QNZonesInfo *)getZonesInfoWithToken:(QNUpToken *_Nullable)token {
+    
+    if (token == nil) return nil;
+    NSString *cacheKey = [self makeCacheKey:[QNConfiguration defaultConfiguration] akAndBucket:token.index];
+    QNZonesInfo *zonesInfo = nil;
+    @synchronized (self) {
+        zonesInfo = self.zonesDic[cacheKey];
+    }
+    zonesInfo = [zonesInfo copy];
+    return zonesInfo;
+}
+
+- (void)setZonesInfo:(QNZonesInfo *)info forKey:(NSString *)key {
+    if (info == nil) {
+        return;
+    }
+    
+    @synchronized (self) {
+        self.zonesDic[key] = info;
+    }
+}
+
+- (void)preQuery:(QNUpToken *)token on:(QNPrequeryReturn)ret {
+    [self query:[QNConfiguration defaultConfiguration] token:token on:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, QNZonesInfo * _Nullable zonesInfo) {
+        if (!ret) {
+            return;
+        }
+        
+        if (responseInfo.isOK) {
+            ret(0, responseInfo, metrics);
+        } else {
+            ret(responseInfo.statusCode, responseInfo, metrics);
+        }
+    }];
+}
+
+- (void)query:(QNConfiguration *)config token:(QNUpToken *)token on:(QNQueryReturn)ret {
+    if (token == nil || ![token isValid]) {
+        ret([QNResponseInfo responseInfoWithInvalidToken:@"invalid token"], nil, nil);
+        return;
+    }
+
+    QNUploadRegionRequestMetrics *cacheMetrics = [QNUploadRegionRequestMetrics emptyMetrics];
+    [cacheMetrics start];
+
+    
+    NSString *cacheKey = [self makeCacheKey:config akAndBucket:token.index];
+    QNZonesInfo *zonesInfo = [[QNAutoZone zoneShareCache] cacheForKey:cacheKey];
+
+    // 临时的 zonesInfo 仅能使用一次
+    if (zonesInfo != nil && zonesInfo.isValid && !zonesInfo.isTemporary) {
+        [cacheMetrics end];
+        [self setZonesInfo:zonesInfo forKey:cacheKey];
+        ret([QNResponseInfo successResponse], cacheMetrics, zonesInfo);
+        return;
+    }
+
+    kQNWeakSelf;
+    QNSingleFlight *singleFlight = [QNAutoZone UCQuerySingleFlight];
+    [singleFlight perform:token.index action:^(QNSingleFlightComplete _Nonnull complete) {
+        kQNStrongSelf;
+        QNRequestTransaction *transaction = [self createUploadRequestTransaction:config token:token];
+
+        kQNWeakSelf;
+        kQNWeakObj(transaction);
+        [transaction queryUploadHosts:^(QNResponseInfo *_Nullable responseInfo, QNUploadRegionRequestMetrics *_Nullable metrics, NSDictionary *_Nullable response) {
+            kQNStrongSelf;
+            kQNStrongObj(transaction);
+
+            QNUCQuerySingleFlightValue *value = [[QNUCQuerySingleFlightValue alloc] init];
+            value.responseInfo = responseInfo;
+            value.response = response;
+            value.metrics = metrics;
+            complete(value, nil);
+
+            [self destroyUploadRequestTransaction:transaction];
+        }];
+
+    }            complete:^(id _Nullable value, NSError *_Nullable error) {
+        kQNStrongSelf;
+        
+        QNResponseInfo *responseInfo = [(QNUCQuerySingleFlightValue *) value responseInfo];
+        NSDictionary *response = [(QNUCQuerySingleFlightValue *) value response];
+        QNUploadRegionRequestMetrics *metrics = [(QNUCQuerySingleFlightValue *) value metrics];
+
+        if (responseInfo && responseInfo.isOK) {
+            QNZonesInfo *zonesInfo = [QNZonesInfo infoWithDictionary:response];
+            if ([zonesInfo isValid]) {
+                [self setZonesInfo:zonesInfo forKey:cacheKey];
+                [[QNAutoZone zoneShareCache] cache:zonesInfo forKey:cacheKey atomically:false];
+                ret(responseInfo, metrics, zonesInfo);
+            } else {
+                responseInfo = [QNResponseInfo errorResponseInfo:NSURLErrorCannotDecodeRawData errorDesc:[NSString stringWithFormat:@"origin response:%@", responseInfo]];
+                ret(responseInfo, metrics, nil);
+            }
+        } else {
+            if (self.defaultZone != nil) {
+                // 备用只能用一次
+                QNZonesInfo *info = [self.defaultZone getZonesInfoWithToken:token];
+                [self setZonesInfo:info forKey:cacheKey];
+                responseInfo = [QNResponseInfo successResponseWithDesc:[NSString stringWithFormat:@"origin response:%@", responseInfo]];
+                ret(responseInfo, metrics, info);
+            } else if (zonesInfo != nil) {
+                // 缓存有，但是失效也可使用
+                [self setZonesInfo:zonesInfo forKey:cacheKey];
+                responseInfo = [QNResponseInfo successResponseWithDesc:[NSString stringWithFormat:@"origin response:%@", responseInfo]];
+                ret(responseInfo, metrics, zonesInfo);
+            } else {
+                ret(responseInfo, metrics, nil);
+            }
+        }
+    }];
+}
+
+- (QNRequestTransaction *)createUploadRequestTransaction:(QNConfiguration *)config token:(QNUpToken *)token {
+    if (config == nil) {
+        config = [QNConfiguration defaultConfiguration];
+    }
+    
+    NSArray *hosts = nil;
+    if (self.ucHosts && self.ucHosts.count > 0) {
+        hosts = [self.ucHosts copy];
+    } else {
+        hosts = kQNPreQueryHosts;
+    }
+    QNRequestTransaction *transaction = [[QNRequestTransaction alloc] initWithConfig:config
+                                                                        uploadOption:[QNUploadOption defaultOptions]
+                                                                               hosts:hosts
+                                                                            regionId:QNZoneInfoEmptyRegionId
+                                                                                 key:@""
+                                                                               token:token];
+    @synchronized (self) {
+        [self.transactions addObject:transaction];
+    }
+    return transaction;
+}
+
+- (void)destroyUploadRequestTransaction:(QNRequestTransaction *)transaction {
+    if (transaction) {
+        @synchronized (self) {
+            [self.transactions removeObject:transaction];
+        }
+    }
+}
+
+- (NSString *)makeCacheKey:(QNConfiguration *)config akAndBucket:(NSString *)akAndBucket {
+    NSString *key = akAndBucket;
+    if (config != nil) {
+        key = [NSString stringWithFormat:@"%@:%d",key, config.accelerateUploading];
+    }
+    
+    NSString *hosts = @"";
+    for (NSString *host in self.ucHosts) {
+        if (!host) {
+            continue;
+        }
+        hosts = [NSString stringWithFormat:@"%@:%@", hosts, host];
+    }
+    NSString *cacheKey = [NSString stringWithFormat:@"%@:%@", hosts, key];
+    return [QNUrlSafeBase64 encodeString:cacheKey];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Common/QNConfig.h

@@ -0,0 +1,18 @@
+//
+//  QNConfig.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/3/26.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//MARK: -- 内部布置 尽量不要修改
+#define kQNPreQueryHost00 @"uc.qiniuapi.com"
+#define kQNPreQueryHost01 @"kodo-config.qiniuapi.com"
+#define kQNPreQueryHost02 @"uc.qbox.me"
+#define kQNPreQueryHost03 @"api.qiniu.com"
+#define kQNPreQueryHosts @[kQNPreQueryHost00, kQNPreQueryHost01, kQNPreQueryHost02]
+
+#define kQNUpLogHost @"uplog.qbox.me"

Pods/Qiniu/QiniuSDK/Common/QNErrorCode.h

@@ -0,0 +1,68 @@
+//
+//  QNErrorCode.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/10/21.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+/**
+ * StatusCode >= 100 见：https://developer.qiniu.com/kodo/3928/error-responses
+ * 除上述链接及下面定义外的状态码依据 iOS 标准库定义
+ */
+
+/**
+ *    中途取消的状态码
+ */
+extern const int kQNRequestCancelled;
+
+/**
+ *    网络错误状态码
+ */
+extern const int kQNNetworkError;
+
+/**
+ *    错误参数状态码
+ */
+extern const int kQNInvalidArgument;
+
+/**
+ *    0 字节文件或数据
+ */
+extern const int kQNZeroDataSize;
+
+/**
+ *    错误token状态码
+ */
+extern const int kQNInvalidToken;
+
+/**
+ *    读取文件错误状态码
+ */
+extern const int kQNFileError;
+
+/**
+ *    本地 I/O 错误
+ */
+extern const int kQNLocalIOError;
+
+/**
+ *    ⽤户劫持错误 错误
+ */
+extern const int kQNMaliciousResponseError;
+
+/**
+ *    没有可用的Host 错误【废弃】
+ */
+extern const int kQNNoUsableHostError NS_UNAVAILABLE;
+
+/**
+ *    SDK 内部错误
+ */
+extern const int kQNSDKInteriorError;
+
+/**
+ *    非预期的系统调用 错误
+ */
+extern const int kQNUnexpectedSysCallError;

Pods/Qiniu/QiniuSDK/Common/QNErrorCode.m

@@ -0,0 +1,25 @@
+//
+//  QNErrorCode.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/10/21.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNErrorCode.h"
+
+const int kQNUnexpectedSysCallError = -10;
+const int kQNNoUsableHostError = -9;
+const int kQNSDKInteriorError = -9;
+const int kQNMaliciousResponseError = -8;
+const int kQNLocalIOError = -7;
+const int kQNZeroDataSize = -6;
+const int kQNInvalidToken = -5;
+const int kQNFileError = -4;
+const int kQNInvalidArgument = -3;
+const int kQNRequestCancelled = -2;
+const int kQNNetworkError = -1;
+
+
+
+

Pods/Qiniu/QiniuSDK/Common/QNFixedZone.h

@@ -0,0 +1,112 @@
+//
+//  QNFixZone.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/16.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNZone.h"
+#import "QNDefine.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNFixedZone : QNZone
+
+/**
+ *    zone 0 华东
+ *
+ *    @return 实例
+ */
++ (instancetype)zone0 kQNDeprecated("use createWithRegionId instead");
+
+/**
+ *    zoneCnEast2 华东-浙江2
+ *
+ *    @return 实例
+ */
++ (instancetype)zoneCnEast2 kQNDeprecated("use createWithRegionId instead");
+
+/**
+ *    zone 1 华北
+ *
+ *    @return 实例
+ */
++ (instancetype)zone1 kQNDeprecated("use createWithRegionId instead");
+
+/**
+ *    zone 2 华南
+ *
+ *    @return 实例
+ */
++ (instancetype)zone2 kQNDeprecated("use createWithRegionId instead");
+
+/**
+ *    zone Na0 北美
+ *
+ *    @return 实例
+ */
++ (instancetype)zoneNa0 kQNDeprecated("use createWithRegionId instead");
+
+/**
+ *    zone As0 新加坡
+ *
+ *    @return 实例
+ */
++ (instancetype)zoneAs0 kQNDeprecated("use createWithRegionId instead");
+
+/**
+ *    Zone初始化方法
+ *
+ *    @param upList     默认上传服务器地址列表
+ *    @return Zone实例
+ */
+- (instancetype)initWithUpDomainList:(NSArray<NSString *> *)upList;
+
+
+/**
+ * Zone初始化方法
+ *
+ * @param accUpList  加速上传服务器地址列表
+ * @param upList     默认上传服务器地址列表
+ * @param oldUpList  支持 SNI 的上传服务器地址列表
+ * @param regionId   区域 ID
+ * @return Zone实例
+ */
+- (instancetype)initWithAccUpDomainList:(NSArray<NSString *> *)accUpList
+                                 upList:(NSArray<NSString *> *)upList
+                              oldUpList:(NSArray<NSString *> *)oldUpList
+                               regionId:(NSString *)regionId;
+
+/**
+ *    Zone初始化方法
+ *
+ *    @param upList     默认上传服务器地址列表
+ *
+ *    @return Zone实例
+ */
++ (instancetype)createWithHost:(NSArray<NSString *> *)upList;
+
+/**
+ *    Zone初始化方法
+ *    regionId 参考链接：https://developer.qiniu.com/kodo/1671/region-endpoint-fq
+ *
+ *    @param regionId     根据区域 ID 创建 Zone
+ *
+ *    @return Zone 实例
+ */
++ (instancetype)createWithRegionId:(NSString *)regionId;
+
+/**
+ *   获取本地所有固定zone信息
+ */
++ (QNFixedZone *)localsZoneInfo DEPRECATED_ATTRIBUTE;
+
+/**
+ *  合并区域
+ */
++ (QNFixedZone *)combineZones:(NSArray<QNFixedZone *> *)zones;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Common/QNFixedZone.m

@@ -0,0 +1,199 @@
+//
+//  QNFixZone.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/16.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNFixedZone.h"
+#import "QNZoneInfo.h"
+#import "QNResponseInfo.h"
+
+@interface QNFixedZone ()
+
+@property (nonatomic, strong) QNZonesInfo *zonesInfo;
+
+@end
+
+@implementation QNFixedZone
+
++ (instancetype)zone0 {
+    static QNFixedZone *z0 = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        z0 = [[QNFixedZone alloc] initWithUpDomainList:@[@"upload.qiniup.com", @"up.qiniup.com"]
+                                             oldUpList:@[@"upload.qbox.me", @"up.qbox.me"]
+                                              regionId:@"z0"];
+    });
+    return z0;
+}
+
++ (instancetype)zoneCnEast2 {
+    static QNFixedZone *zoneCnEast2 = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        zoneCnEast2 = [[QNFixedZone alloc] initWithUpDomainList:@[@"upload-cn-east-2.qiniup.com", @"up-cn-east-2.qiniup.com"]
+                                                      oldUpList:nil
+                                                       regionId:@"cn-east-2"];
+    });
+    return zoneCnEast2;
+}
+
++ (instancetype)zone1 {
+    static QNFixedZone *z1 = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        z1 = [[QNFixedZone alloc] initWithUpDomainList:@[@"upload-z1.qiniup.com", @"up-z1.qiniup.com"]
+                                             oldUpList:@[@"upload-z1.qbox.me", @"up-z1.qbox.me"]
+                                              regionId:@"z1"];
+    });
+    return z1;
+}
+
++ (instancetype)zone2 {
+    static QNFixedZone *z2 = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        z2 = [[QNFixedZone alloc] initWithUpDomainList:@[@"upload-z2.qiniup.com", @"up-z2.qiniup.com"]
+                                             oldUpList:@[@"upload-z2.qbox.me", @"up-z2.qbox.me"]
+                                              regionId:@"z2"];
+    });
+    return z2;
+}
+
++ (instancetype)zoneNa0 {
+    static QNFixedZone *zNa0 = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        zNa0 = [[QNFixedZone alloc] initWithUpDomainList:@[@"upload-na0.qiniup.com", @"up-na0.qiniup.com"]
+                                               oldUpList:@[@"upload-na0.qbox.me", @"up-na0.qbox.me"]
+                                                regionId:@"na0"];
+    });
+    return zNa0;
+}
+
++ (instancetype)zoneAs0 {
+    static QNFixedZone *zAs0 = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        zAs0 = [[QNFixedZone alloc] initWithUpDomainList:@[@"upload-as0.qiniup.com", @"up-as0.qiniup.com"]
+                                               oldUpList:@[@"upload-as0.qbox.me", @"up-as0.qbox.me"]
+                                                regionId:@"as0"];;
+    });
+    return zAs0;
+}
+
++ (QNFixedZone *)localsZoneInfo{
+
+    NSArray *zones = @[[QNFixedZone zone0],
+                       [QNFixedZone zone1],
+                       [QNFixedZone zone2],
+                       [QNFixedZone zoneCnEast2],
+                       [QNFixedZone zoneNa0],
+                       [QNFixedZone zoneAs0]];
+    QNFixedZone *zone = [self combineZones:zones];
+    if (zone) {
+        [zone.zonesInfo toTemporary];
+    }
+    return zone;
+}
+
++ (QNFixedZone *)combineZones:(NSArray<QNFixedZone *> *)zones {
+    if (zones == nil || zones.count == 0) {
+        return nil;
+    }
+    
+    NSMutableArray <QNZoneInfo *> *zoneInfoArray = [NSMutableArray array];
+    for (QNFixedZone *zone in zones) {
+        if (zone.zonesInfo.zonesInfo) {
+            [zoneInfoArray addObjectsFromArray:zone.zonesInfo.zonesInfo];
+        }
+    }
+    
+    QNFixedZone *fixedZone = [[QNFixedZone alloc] init];
+    fixedZone.zonesInfo = [[QNZonesInfo alloc] initWithZonesInfo:[zoneInfoArray copy]];
+    [fixedZone.zonesInfo toTemporary];
+    return fixedZone;
+}
+
++ (instancetype)createWithHost:(NSArray<NSString *> *)upList {
+    return [[QNFixedZone alloc] initWithUpDomainList:upList oldUpList:nil regionId:nil];
+}
+
++ (instancetype)createWithRegionId:(NSString *)regionId {
+    NSArray *upList = @[
+        [NSString stringWithFormat:@"upload-%@.qiniup.com", regionId],
+        [NSString stringWithFormat:@"up-%@.qiniup.com", regionId],
+    ];
+    return [[QNFixedZone alloc] initWithUpDomainList:upList oldUpList:nil regionId:regionId];
+}
+
+- (QNZonesInfo *)createZonesInfo:(NSArray <NSString *> *)upDomains
+                        regionId:(NSString *)regionId {
+    return [self createZonesInfo:upDomains oldUpDomains:nil regionId:regionId];
+}
+
+- (QNZonesInfo *)createZonesInfo:(NSArray <NSString *> *)upDomains
+                    oldUpDomains:(NSArray <NSString *> *)oldUpDomains
+                        regionId:(NSString *)regionId {
+    return [self createZonesInfo:nil domains:upDomains oldDomains:oldUpDomains regionId:regionId];
+}
+
+- (QNZonesInfo *)createZonesInfo:(NSArray <NSString *> *)accDomains
+                         domains:(NSArray <NSString *> *)domains
+                      oldDomains:(NSArray <NSString *> *)oldDomains
+                        regionId:(NSString *)regionId {
+    if ((!accDomains || accDomains.count == 0) && (!domains || domains.count == 0)) {
+        return nil;
+    }
+
+    QNZoneInfo *zoneInfo = [QNZoneInfo zoneInfoWithAccHosts:accDomains
+                                                  mainHosts:domains
+                                                   oldHosts:oldDomains
+                                                   regionId:regionId];
+    QNZonesInfo *zonesInfo = [[QNZonesInfo alloc] initWithZonesInfo:@[zoneInfo]];
+    return zonesInfo;
+}
+
+- (instancetype)initWithUpDomainList:(NSArray<NSString *> *)upList {
+    if (self = [super init]) {
+        self.zonesInfo = [self createZonesInfo:upList regionId:nil];
+    }
+    return self;
+}
+- (instancetype)initWithUpDomainList:(NSArray<NSString *> *)upList
+                            regionId:(NSString *)regionId {
+    if (self = [super init]) {
+        self.zonesInfo = [self createZonesInfo:upList regionId:regionId];
+    }
+    return self;
+}
+- (instancetype)initWithUpDomainList:(NSArray<NSString *> *)upList
+                           oldUpList:(NSArray<NSString *> *)oldUpList
+                            regionId:(NSString *)regionId {
+    if (self = [super init]) {
+        self.zonesInfo = [self createZonesInfo:upList oldUpDomains:oldUpList regionId:regionId];
+    }
+    return self;
+}
+- (instancetype)initWithAccUpDomainList:(NSArray<NSString *> *)accUpList
+                                 upList:(NSArray<NSString *> *)upList
+                              oldUpList:(NSArray<NSString *> *)oldUpList
+                               regionId:(NSString *)regionId {
+    if (self = [super init]) {
+        self.zonesInfo = [self createZonesInfo:accUpList domains:upList oldDomains:oldUpList regionId:regionId];
+    }
+    return self;
+}
+
+- (QNZonesInfo *)getZonesInfoWithToken:(QNUpToken *)token {
+    return self.zonesInfo;
+}
+
+- (void)query:(QNConfiguration * _Nullable)config token:(QNUpToken * _Nullable)token on:(QNQueryReturn _Nullable)ret {
+    ret([QNResponseInfo successResponse], nil, self.zonesInfo);
+}
+
+
+@end

Pods/Qiniu/QiniuSDK/Common/QNZone.h

@@ -0,0 +1,38 @@
+//
+//  QNZone.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/16.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class QNConfiguration, QNResponseInfo, QNUpToken, QNZonesInfo, QNUploadRegionRequestMetrics;
+
+typedef void (^QNPrequeryReturn)(int code, QNResponseInfo * _Nullable httpResponseInfo, QNUploadRegionRequestMetrics * _Nullable metrics);
+typedef void (^QNQueryReturn)(QNResponseInfo * _Nullable httpResponseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, QNZonesInfo * _Nullable zonesInfo);
+
+@interface QNZone : NSObject
+
+/// 根据token查询相关 Zone 信息【内部使用】
+/// @param token token 信息
+/// @param ret 查询回调
+- (void)preQuery:(QNUpToken * _Nullable)token on:(QNPrequeryReturn _Nullable)ret;
+
+/// 根据token获取ZonesInfo 【内部使用】
+/// @param token token信息
+- (QNZonesInfo *)getZonesInfoWithToken:(QNUpToken * _Nullable)token;
+
+
+/// 根据token查询相关 Zone 信息【内部使用】
+/// @param config 配置信息
+/// @param token token 信息
+/// @param ret 查询回调
+- (void)query:(QNConfiguration * _Nullable)config token:(QNUpToken * _Nullable)token on:(QNQueryReturn _Nullable)ret;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Common/QNZone.m

@@ -0,0 +1,30 @@
+//
+//  QNZone.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/16.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNZone.h"
+#import "QNUpToken.h"
+#import "QNZoneInfo.h"
+#import "QNConfiguration.h"
+#import "QNResponseInfo.h"
+
+@implementation QNZone
+
+- (QNZonesInfo *)getZonesInfoWithToken:(QNUpToken *)token {
+    return nil;
+}
+
+- (void)preQuery:(QNUpToken *)token
+              on:(QNPrequeryReturn)ret {
+    ret(0, nil, nil);
+}
+
+- (void)query:(QNConfiguration * _Nullable)config token:(QNUpToken * _Nullable)token on:(QNQueryReturn _Nullable)ret {
+    ret([QNResponseInfo responseInfoWithSDKInteriorError:@"impl query"], nil, nil);
+}
+
+@end

Pods/Qiniu/QiniuSDK/Common/QNZoneInfo.h

@@ -0,0 +1,68 @@
+//
+//  QNZoneInfo.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/16.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNCache.h"
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+extern NSString *const QNZoneInfoSDKDefaultIOHost;
+extern NSString *const QNZoneInfoEmptyRegionId;
+
+@interface QNZoneInfo : NSObject
+
+@property(nonatomic, assign, readonly)long ttl;
+@property(nonatomic, assign, readonly)BOOL http3Enabled;
+@property(nonatomic, strong, readonly)NSArray<NSString *> *domains;
+@property(nonatomic, strong, readonly)NSArray<NSString *> *acc_domains;
+@property(nonatomic, strong, readonly)NSArray<NSString *> *old_domains;
+
+@property(nonatomic,   copy, readonly)NSString *regionId;
+@property(nonatomic, strong, readonly)NSArray <NSString *> *allHosts;
+@property(nonatomic, strong, readonly)NSDictionary *detailInfo;
+
++ (QNZoneInfo *)zoneInfoWithMainHosts:(NSArray <NSString *> *)mainHosts
+                             regionId:(NSString * _Nullable)regionId;
+
+
++ (QNZoneInfo *)zoneInfoWithMainHosts:(NSArray <NSString *> *)mainHosts
+                             oldHosts:(NSArray <NSString *> * _Nullable)oldHosts
+                             regionId:(NSString * _Nullable)regionId;
+
++ (QNZoneInfo *)zoneInfoWithAccHosts:(NSArray <NSString *> *)accHosts
+                             mainHosts:(NSArray <NSString *> *)mainHosts
+                             oldHosts:(NSArray <NSString *> * _Nullable)oldHosts
+                             regionId:(NSString * _Nullable)regionId;
+
+/// 根据键值对构造对象 【内部使用】
+/// @param detailInfo 键值对信息
++ (QNZoneInfo *)zoneInfoFromDictionary:(NSDictionary *)detailInfo;
+
+- (BOOL)isValid;
+
+@end
+
+@interface QNZonesInfo : NSObject <QNCacheObject>
+
+@property (nonatomic, strong, readonly) NSDate *buildDate;
+@property (nonatomic, assign, readonly) BOOL isTemporary;
+@property (nonatomic, assign, readonly) BOOL isValid;
+@property (nonatomic, strong, readonly) NSArray<QNZoneInfo *> *zonesInfo;
+
+/// 根据键值对构造对象 【内部使用】
+/// @param dictionary 键值对信息
++ (instancetype)infoWithDictionary:(NSDictionary *)dictionary;
+
+- (instancetype)initWithZonesInfo:(NSArray<QNZoneInfo *> *)zonesInfo;
+
+// 转成临时 zones, 临时 Zones，不建议长期使用
+- (void)toTemporary;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Common/QNZoneInfo.m

@@ -0,0 +1,250 @@
+//
+//  QNZoneInfo.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/16.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNZoneInfo.h"
+#import "QNUtils.h"
+
+NSString * const QNZoneInfoSDKDefaultIOHost = @"default_io_host";
+NSString * const QNZoneInfoEmptyRegionId = @"none";
+
+@interface QNZoneInfo()
+
+@property(nonatomic, strong) NSDate *buildDate;
+
+@property(nonatomic,   copy) NSString *regionId;
+@property(nonatomic, assign) long ttl;
+@property(nonatomic, assign) BOOL http3Enabled;
+@property(nonatomic, strong) NSArray<NSString *> *domains;
+@property(nonatomic, strong) NSArray<NSString *> *acc_domains;
+@property(nonatomic, strong) NSArray<NSString *> *old_domains;
+
+@property(nonatomic, strong) NSArray <NSString *> *allHosts;
+@property(nonatomic, strong) NSDictionary *detailInfo;
+
+@end
+@implementation QNZoneInfo
+
++ (QNZoneInfo *)zoneInfoWithMainHosts:(NSArray <NSString *> *)mainHosts
+                             regionId:(NSString * _Nullable)regionId{
+    return [self zoneInfoWithMainHosts:mainHosts oldHosts:nil regionId:regionId];
+}
+
++ (QNZoneInfo *)zoneInfoWithMainHosts:(NSArray <NSString *> *)mainHosts
+                             oldHosts:(NSArray <NSString *> * _Nullable)oldHosts
+                             regionId:(NSString * _Nullable)regionId{
+    
+    if (!mainHosts || ![mainHosts isKindOfClass:[NSArray class]] || mainHosts.count == 0) {
+        return nil;
+    }
+    
+    if (mainHosts && ![mainHosts isKindOfClass:[NSArray class]]) {
+        mainHosts = nil;
+    }
+    
+    QNZoneInfo *zoneInfo = [QNZoneInfo zoneInfoFromDictionary:@{@"ttl" : @(-1),
+                                                                @"region" : regionId ?: QNZoneInfoEmptyRegionId,
+                                                                @"up" : @{@"domains" : mainHosts ?: @[],
+                                                                          @"old" : oldHosts ?: @[]},
+                                                                }];
+    return zoneInfo;
+}
+
++ (QNZoneInfo *)zoneInfoWithAccHosts:(NSArray <NSString *> *)accHosts
+                           mainHosts:(NSArray <NSString *> *)mainHosts
+                            oldHosts:(NSArray <NSString *> * _Nullable)oldHosts
+                            regionId:(NSString * _Nullable)regionId {
+    if ((!accHosts || ![accHosts isKindOfClass:[NSArray class]] || accHosts.count == 0) &&
+        (!mainHosts || ![mainHosts isKindOfClass:[NSArray class]] || mainHosts.count == 0)) {
+        return nil;
+    }
+    
+    if (accHosts && ![accHosts isKindOfClass:[NSArray class]]) {
+        accHosts = nil;
+    }
+    
+    if (mainHosts && ![mainHosts isKindOfClass:[NSArray class]]) {
+        mainHosts = nil;
+    }
+    
+    QNZoneInfo *zoneInfo = [QNZoneInfo zoneInfoFromDictionary:@{@"ttl" : @(-1),
+                                                                @"region" : regionId ?: QNZoneInfoEmptyRegionId,
+                                                                @"up" : @{@"acc_domains" : accHosts ?: @[],
+                                                                          @"domains" : mainHosts ?: @[],
+                                                                          @"old" : oldHosts ?: @[]},
+                                                                }];
+    return zoneInfo;
+}
+
++ (QNZoneInfo *)zoneInfoFromDictionary:(NSDictionary *)detail {
+    if (![detail isKindOfClass:[NSDictionary class]]) {
+        return nil;
+    }
+    
+    NSMutableDictionary *detailInfo = [detail mutableCopy];
+    if (detailInfo[@"timestamp"] == nil) {
+        detailInfo[@"timestamp"] = @([QNUtils currentTimestamp]/1000);
+    }
+    long timestamp = [detailInfo[@"timestamp"] longValue];
+    
+    NSString *regionId = [detailInfo objectForKey:@"region"];
+    if (regionId == nil) {
+        regionId = QNZoneInfoEmptyRegionId;
+    }
+    long ttl = [[detailInfo objectForKey:@"ttl"] longValue];
+    BOOL http3Enabled = false;
+    if ([detailInfo[@"features"] isKindOfClass:[NSDictionary class]] &&
+        [detailInfo[@"features"][@"http3"] isKindOfClass:[NSDictionary class]]) {
+        http3Enabled = [detailInfo[@"features"][@"http3"][@"enabled"] boolValue];
+    }
+    NSDictionary *up = [detailInfo objectForKey:@"up"];
+    NSArray *acc_domains = [up objectForKey:@"acc_domains"];
+    NSArray *domains = [up objectForKey:@"domains"];
+    NSArray *old_domains = [up objectForKey:@"old"];
+    
+    NSMutableArray *allHosts = [NSMutableArray array];
+    QNZoneInfo *zoneInfo = [[QNZoneInfo alloc] init:ttl regionId:regionId];
+    zoneInfo.buildDate = [NSDate dateWithTimeIntervalSince1970:timestamp];
+    zoneInfo.http3Enabled = http3Enabled;
+    if ([acc_domains isKindOfClass:[NSArray class]]) {
+        zoneInfo.acc_domains = acc_domains;
+        [allHosts addObjectsFromArray:domains];
+    }
+    if ([domains isKindOfClass:[NSArray class]]) {
+        zoneInfo.domains = domains;
+        [allHosts addObjectsFromArray:domains];
+    }
+    if ([old_domains isKindOfClass:[NSArray class]]) {
+        zoneInfo.old_domains = old_domains;
+        [allHosts addObjectsFromArray:old_domains];
+    }
+    zoneInfo.allHosts = [allHosts copy];
+    
+    zoneInfo.detailInfo = [detailInfo copy];
+    
+    return zoneInfo;
+}
+
+- (instancetype)init:(long)ttl
+            regionId:(NSString *)regionId {
+    if (self = [super init]) {
+        _ttl = ttl;
+        _buildDate = [NSDate date];
+        _regionId = regionId;
+    }
+    return self;
+}
+
+- (BOOL)isValid{
+    if (self.allHosts == nil || self.allHosts.count == 0) {
+        return false;
+    }
+    
+    if (self.ttl < 0) {
+        return true;
+    }
+    
+    NSDate *currentDate = [NSDate date];
+    return self.ttl > [currentDate timeIntervalSinceDate:self.buildDate];
+}
+
+- (id)copyWithZone:(NSZone *)zone {
+    QNZoneInfo *zoneInfo = [[QNZoneInfo allocWithZone:zone] init];
+    zoneInfo.ttl = self.ttl;
+    zoneInfo.buildDate = self.buildDate;
+    zoneInfo.http3Enabled = self.http3Enabled;
+    zoneInfo.regionId = self.regionId;
+    zoneInfo.domains = [self.domains copy];
+    zoneInfo.old_domains = [self.old_domains copy];
+    zoneInfo.allHosts = [self.allHosts copy];
+    zoneInfo.detailInfo = [self.detailInfo copy];
+    return zoneInfo;
+}
+
+
+@end
+
+@interface QNZonesInfo()
+@property (nonatomic, strong) NSDate *buildDate;
+@property (nonatomic, assign) BOOL isTemporary;
+@property (nonatomic, strong) NSArray<QNZoneInfo *> *zonesInfo;
+@property (nonatomic, strong) NSDictionary *detailInfo;
+@end
+@implementation QNZonesInfo
+
++ (instancetype)infoWithDictionary:(NSDictionary *)dictionary {
+    return [[self alloc] initWithDictionary:dictionary];
+}
+
+- (nonnull id<QNCacheObject>)initWithDictionary:(nullable NSDictionary *)dictionary {
+    NSMutableArray *zonesInfo = [NSMutableArray array];
+    NSArray *hosts = dictionary[@"hosts"];
+    if ([hosts isKindOfClass:[NSArray class]]) {
+        for (NSInteger i = 0; i < hosts.count; i++) {
+            QNZoneInfo *zoneInfo = [QNZoneInfo zoneInfoFromDictionary:hosts[i]];
+            if (zoneInfo && [zoneInfo allHosts].count > 0) {
+                [zonesInfo addObject:zoneInfo];
+            }
+        }
+    }
+    
+    return [self initWithZonesInfo:zonesInfo];
+}
+
+- (instancetype)initWithZonesInfo:(NSArray<QNZoneInfo *> *)zonesInfo{
+    self = [super init];
+    if (self) {
+        _buildDate = [NSDate date];
+        _zonesInfo = zonesInfo;
+        NSMutableArray *zoneInfos = [NSMutableArray array];
+        if (zonesInfo != nil) {
+            for (NSInteger i = 0; i < zonesInfo.count; i++) {
+                if (zonesInfo[i].detailInfo != nil) {
+                    [zoneInfos addObject:zonesInfo[i].detailInfo];
+                }
+            }
+        }
+        self.detailInfo = @{@"hosts": [zoneInfos copy]};
+    }
+    return self;
+}
+
+- (void)toTemporary {
+    _isTemporary = true;
+}
+
+- (BOOL)isValid {
+    if ([self.zonesInfo count] == 0) {
+        return false;
+    }
+    
+    BOOL valid = true;
+    for (QNZoneInfo *info in self.zonesInfo) {
+        if (![info isValid]) {
+            valid = false;
+            break;
+        }
+    }
+    return valid;
+}
+
+- (id)copyWithZone:(NSZone *)zone {
+    NSMutableArray *zonesInfoArray = [NSMutableArray array];
+    for (QNZoneInfo *info in self.zonesInfo) {
+        [zonesInfoArray addObject:[info copy]];
+    }
+    QNZonesInfo *zonesInfo = [[QNZonesInfo allocWithZone:zone] init];
+    zonesInfo.zonesInfo = [zonesInfoArray copy];
+    zonesInfo.isTemporary = self.isTemporary;
+    return zonesInfo;
+}
+
+- (nullable NSDictionary *)toDictionary {
+    return [self.detailInfo copy];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/ConnectCheck/QNConnectChecker.h

@@ -0,0 +1,22 @@
+//
+//  QNConnectChecker.h
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2021/1/8.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNUploadRequestMetrics.h"
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNConnectChecker : NSObject
+
++ (QNUploadSingleRequestMetrics *)check;
+
++ (BOOL)isConnected:(QNUploadSingleRequestMetrics *)metrics;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/ConnectCheck/QNConnectChecker.m

@@ -0,0 +1,152 @@
+//
+//  QNConnectChecker.m
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2021/1/8.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNDefine.h"
+#import "QNLogUtil.h"
+#import "QNConfiguration.h"
+#import "QNSingleFlight.h"
+#import "QNConnectChecker.h"
+#import "QNUploadSystemClient.h"
+
+@interface QNConnectChecker()
+
+@end
+@implementation QNConnectChecker
+
++ (QNSingleFlight *)singleFlight {
+    static QNSingleFlight *singleFlight = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        singleFlight = [[QNSingleFlight alloc] init];
+    });
+    return singleFlight;
+}
+
++ (dispatch_queue_t)checkQueue {
+    static dispatch_queue_t queue;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        queue = dispatch_queue_create("com.qiniu.NetworkCheckQueue", DISPATCH_QUEUE_CONCURRENT);
+    });
+    return queue;
+}
+
++ (BOOL)isConnected:(QNUploadSingleRequestMetrics *)metrics {
+    return metrics && ((NSHTTPURLResponse *)metrics.response).statusCode > 99;
+}
+
++ (QNUploadSingleRequestMetrics *)check {
+    __block QNUploadSingleRequestMetrics *metrics = nil;
+    dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
+    [self check:^(QNUploadSingleRequestMetrics *metricsP) {
+        metrics = metricsP;
+        dispatch_semaphore_signal(semaphore);
+    }];
+    dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
+    return metrics;
+}
+
++ (void)check:(void (^)(QNUploadSingleRequestMetrics *))complete {
+    QNSingleFlight *singleFlight = [self singleFlight];
+    
+    kQNWeakSelf;
+    [singleFlight perform:@"connect_check" action:^(QNSingleFlightComplete  _Nonnull singleFlightComplete) {
+        kQNStrongSelf;
+        
+        [self checkAllHosts:^(QNUploadSingleRequestMetrics *metrics) {
+            singleFlightComplete(metrics, nil);
+        }];
+        
+    } complete:^(id  _Nullable value, NSError * _Nullable error) {
+        if (complete) {
+            complete(value);
+        }
+    }];
+}
+
+
++ (void)checkAllHosts:(void (^)(QNUploadSingleRequestMetrics *metrics))complete {
+    
+    __block int completeCount = 0;
+    __block BOOL isCompleted = false;
+    kQNWeakSelf;
+    NSArray *allHosts = [kQNGlobalConfiguration.connectCheckURLStrings copy];
+    if (allHosts.count == 0) {
+        QNUploadSingleRequestMetrics *metrics = [QNUploadSingleRequestMetrics emptyMetrics];
+        [metrics start];
+        [metrics end];
+        metrics.error = [NSError errorWithDomain:@"com.qiniu.NetworkCheck" code:NSURLErrorUnsupportedURL userInfo:@{@"user_info":@"check host is empty"}];
+        complete(metrics);
+        return;
+    }
+    
+    for (NSString *host in allHosts) {
+        [self checkHost:host complete:^(QNUploadSingleRequestMetrics *metrics) {
+            kQNStrongSelf;
+            
+            BOOL isHostConnected = [self isConnected:metrics];
+            @synchronized (self) {
+                completeCount += 1;
+            }
+            if (isHostConnected || completeCount == allHosts.count) {
+                @synchronized (self) {
+                    if (isCompleted) {
+                        QNLogInfo(@"== check all hosts has completed totalCount:%d completeCount:%d", allHosts.count, completeCount);
+                        return;
+                    } else {
+                        QNLogInfo(@"== check all hosts completed totalCount:%d completeCount:%d", allHosts.count, completeCount);
+                        isCompleted = true;
+                    }
+                }
+                complete(metrics);
+            } else {
+                QNLogInfo(@"== check all hosts not completed totalCount:%d completeCount:%d", allHosts.count, completeCount);
+            }
+        }];
+    }
+}
+
++ (void)checkHost:(NSString *)host complete:(void (^)(QNUploadSingleRequestMetrics *metrics))complete {
+    
+    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
+    request.URL = [NSURL URLWithString:host];
+    request.HTTPMethod = @"HEAD";
+    request.timeoutInterval = kQNGlobalConfiguration.connectCheckTimeout;
+    
+    __block BOOL hasCallback = false;
+    
+    QNUploadSingleRequestMetrics *timeoutMetric = [QNUploadSingleRequestMetrics emptyMetrics];
+    [timeoutMetric start];
+    
+    QNUploadSystemClient *client = [[QNUploadSystemClient alloc] init];
+    [client request:request server:nil connectionProxy:nil progress:nil complete:^(NSURLResponse *response, QNUploadSingleRequestMetrics * metrics, NSData * _Nullable data, NSError * error) {
+        @synchronized (self) {
+            if (hasCallback) {
+                return;
+            }
+            hasCallback = true;
+        }
+        QNLogInfo(@"== checkHost:%@ responseInfo:%@", host, response);
+        complete(metrics);
+    }];
+    
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC * kQNGlobalConfiguration.connectCheckTimeout), [self checkQueue], ^{
+        @synchronized (self) {
+            if (hasCallback) {
+                return;
+            }
+            hasCallback = true;
+        }
+        [client cancel];
+        [timeoutMetric end];
+        timeoutMetric.error = [NSError errorWithDomain:@"com.qiniu.NetworkCheck" code:NSURLErrorTimedOut userInfo:nil];
+        complete(timeoutMetric);
+    });
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Dns/QNDns.h

@@ -0,0 +1,41 @@
+//
+//  QNDns.h
+//  QnDNS
+//
+//  Created by yangsen on 2020/3/26.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol QNIDnsNetworkAddress <NSObject>
+
+/// 域名
+@property(nonatomic,  copy, readonly)NSString *hostValue;
+
+/// 地址IP信息
+@property(nonatomic,  copy, readonly)NSString *ipValue;
+
+/// ip有效时间 单位：秒
+@property(nonatomic, strong, readonly)NSNumber *ttlValue;
+
+/// ip预取来源, 自定义dns返回 @"customized"
+@property(nonatomic,  copy, readonly)NSString *sourceValue;
+
+/// 解析到host时的时间戳 单位：秒
+@property(nonatomic, strong, readonly)NSNumber *timestampValue;
+
+@end
+
+
+@protocol QNDnsDelegate <NSObject>
+
+/// 根据host获取解析结果
+/// @param host 域名
+- (NSArray < id <QNIDnsNetworkAddress> > *)query:(NSString *)host;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Dns/QNDnsCacheFile.h

@@ -0,0 +1,29 @@
+//
+//  QNDnsCacheFile.h
+//  QnDNS
+//
+//  Created by yangsen on 2020/3/26.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "QNRecorderDelegate.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNDnsCacheFile : NSObject<QNRecorderDelegate>
+
+/// DNS解析信息本地缓存路径
+@property(nonatomic,  copy, readonly)NSString *directory;
+
+/// 构造方法 路径不存在，或进行创建，创建失败返回为nil
+/// @param directory 路径
+/// @param error 构造错误时，会有值
++ (instancetype _Nullable)dnsCacheFile:(NSString *)directory
+                                 error:(NSError **)error;
+
+- (void)clearCache:(NSError **)error;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Dns/QNDnsCacheFile.m

@@ -0,0 +1,91 @@
+//
+//  QNDnsCacheFile.m
+//  QnDNS
+//
+//  Created by yangsen on 2020/3/26.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import "QNDnsCacheFile.h"
+
+@interface QNDnsCacheFile()
+
+@property(nonatomic,  copy)NSString *directory;
+
+@end
+@implementation QNDnsCacheFile
+
++ (instancetype)dnsCacheFile:(NSString *)directory
+                       error:(NSError **)error{
+    NSError *err = nil;
+    [[NSFileManager defaultManager] createDirectoryAtPath:directory withIntermediateDirectories:YES attributes:nil error:&err];
+    if (err != nil) {
+        if (error != nil) *error = err;
+        return nil;
+    }
+    
+    QNDnsCacheFile *f = [[QNDnsCacheFile alloc] init];
+    f.directory = directory;
+    return f;
+}
+
+- (NSError *)set:(NSString *)key data:(NSData *)value {
+    @synchronized (self) {
+        NSError *error;
+        NSFileManager *fileManager = [NSFileManager defaultManager];
+        NSString *filePath = [self pathOfKey:key];
+        if ([fileManager fileExistsAtPath:filePath]) {
+            [fileManager removeItemAtPath:filePath error:&error];
+        }
+        [fileManager createFileAtPath:filePath contents:value attributes:nil];
+        return error;
+    }
+}
+
+- (NSData *)get:(NSString *)key {
+    return [NSData dataWithContentsOfFile:[self pathOfKey:key]];
+}
+
+- (NSError *)del:(NSString *)key {
+    @synchronized (self) {
+        NSError *error = nil;
+        NSString *path = [self pathOfKey:key];
+        if (path) {
+            NSFileManager *fileManager = [NSFileManager defaultManager];
+            [fileManager removeItemAtPath:path error:&error];
+        }
+        return error;
+    }
+}
+
+- (void)clearCache:(NSError *__autoreleasing  _Nullable *)error {
+    @synchronized (self) {
+        NSError *err;
+        NSFileManager *fileManager = [NSFileManager defaultManager];
+        [fileManager removeItemAtPath:self.directory error:&err];
+        if (err != nil) {
+            if (error != nil) *error = err;
+            return;
+        }
+        
+        [fileManager createDirectoryAtPath:self.directory withIntermediateDirectories:YES attributes:nil error:&err];
+        if (error != nil) {
+            *error = err;
+        }
+    }
+}
+
+- (NSString *)getFileName{
+    return @"dnsCache";
+}
+
+- (NSString *)pathOfKey:(NSString *)key {
+    return [QNDnsCacheFile pathJoin:key path:_directory];
+}
+
++ (NSString *)pathJoin:(NSString *)key
+                  path:(NSString *)path {
+    return [[NSString alloc] initWithFormat:@"%@/%@", path, key];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Dns/QNDnsCacheInfo.h

@@ -0,0 +1,41 @@
+//
+//  QNDnsCacheKey.h
+//  QnDNS
+//
+//  Created by yangsen on 2020/3/26.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNDnsCacheInfo : NSObject
+
+/// 缓存时间戳
+@property(nonatomic,  copy, readonly)NSString *currentTime;
+/// 缓存时本地IP
+@property(nonatomic,  copy, readonly)NSString *localIp;
+/// 缓存信息
+@property(nonatomic,  copy, readonly)NSDictionary *info;
+
+//MARK: -- 构造方法
+/// 根据json构造对象
+/// @param jsonData json数据
++ (instancetype)dnsCacheInfo:(NSData *)jsonData;
+
+/// 根据属性构造对象
+/// @param currentTime 缓存时间戳
+/// @param localIp 缓存时本地IP
+/// @param info 缓存信息
++ (instancetype)dnsCacheInfo:(NSString *)currentTime
+                     localIp:(NSString *)localIp
+                        info:(NSDictionary *)info;
+
+
+/// 转化Json数据
+- (NSData *)jsonData;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Dns/QNDnsCacheInfo.m

@@ -0,0 +1,58 @@
+//
+//  QNDnsCacheKey.m
+//  QnDNS
+//
+//  Created by yangsen on 2020/3/26.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import "QNDnsCacheInfo.h"
+
+@interface QNDnsCacheInfo()
+/// 缓存时间戳
+@property(nonatomic,  copy)NSString *currentTime;
+/// 缓存时本地IP
+@property(nonatomic,  copy)NSString *localIp;
+/// 缓存信息
+@property(nonatomic,  copy)NSDictionary *info;
+@end
+@implementation QNDnsCacheInfo
+
++ (instancetype)dnsCacheInfo:(NSData *)jsonData{
+    NSDictionary *info = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableLeaves error:nil];
+    if (!info || info.count == 0 ||
+        (!info[@"currentTime"] && !info[@"localIp"] && !info[@"info"])) {
+        return nil;
+    }
+    return [QNDnsCacheInfo dnsCacheInfo:info[@"currentTime"]
+                                localIp:info[@"localIp"]
+                                   info:info[@"info"]];;
+}
+
++ (instancetype)dnsCacheInfo:(NSString *)currentTime
+                     localIp:(NSString *)localIp
+                        info:(NSDictionary *)info{
+    
+    QNDnsCacheInfo *cacheInfo = [[QNDnsCacheInfo alloc] init];
+    cacheInfo.currentTime = currentTime;
+    cacheInfo.localIp = localIp;
+    cacheInfo.info = info;
+    return cacheInfo;
+}
+
+- (NSData *)jsonData{
+    NSMutableDictionary *cacheInfo = [NSMutableDictionary dictionary];
+    if (self.currentTime) {
+        cacheInfo[@"currentTime"] = self.currentTime;
+    }
+    if (self.localIp) {
+        cacheInfo[@"localIp"] = self.localIp;
+    }
+    if (self.info) {
+        cacheInfo[@"info"] = self.info;
+    }
+    return [NSJSONSerialization dataWithJSONObject:cacheInfo options:NSJSONWritingPrettyPrinted error:nil];
+}
+
+
+@end

Pods/Qiniu/QiniuSDK/Http/Dns/QNDnsPrefetch.h

@@ -0,0 +1,66 @@
+//
+//  QNDnsPrefetch.h
+//  QnDNS
+//
+//  Created by yangsen on 2020/3/26.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import "QNDns.h"
+#import "QNUpToken.h"
+#import "QNConfiguration.h"
+#import "QNTransactionManager.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+#define kQNDnsPrefetch [QNDnsPrefetch shared]
+@interface QNDnsPrefetch : NSObject
+
+/// 最近一次预取错误信息
+@property(nonatomic,  copy, readonly)NSString *lastPrefetchedErrorMessage;
+
++ (instancetype)shared;
+
+/// 根据host从缓存中读取DNS信息
+/// @param host 域名
+- (NSArray <id <QNIDnsNetworkAddress> > *)getInetAddressByHost:(NSString *)host;
+
+/// 通过安全的方式预取 dns
+- (NSString *)prefetchHostBySafeDns:(NSString *)host error:(NSError **)error;
+
+- (void)clearDnsCache:(NSError **)error;
+
+@end
+
+
+
+@interface QNTransactionManager(Dns)
+
+/// 添加加载本地dns事务
+- (void)addDnsLocalLoadTransaction;
+
+/// 添加检测并预取dns事务 如果未开启DNS 或 事务队列中存在token对应的事务未处理，则返回NO
+/// @param currentZone 当前区域
+/// @param token token信息
+- (BOOL)addDnsCheckAndPrefetchTransaction:(QNZone *)currentZone token:(QNUpToken *)token;
+- (BOOL)addDnsCheckAndPrefetchTransaction:(QNConfiguration *)config zone:(QNZone *)currentZone token:(QNUpToken *)token;
+
+/// 设置定时事务：检测已缓存DNS有效情况事务 无效会重新预取
+- (void)setDnsCheckWhetherCachedValidTransactionAction;
+
+@end
+
+#define kQNDnsSourceDoh @"doh"
+#define kQNDnsSourceUdp @"dns"
+#define kQNDnsSourceDnspod @"dnspod"
+#define kQNDnsSourceSystem @"system"
+#define kQNDnsSourceCustom @"customized"
+#define kQNDnsSourceNone @"none"
+
+BOOL kQNIsDnsSourceDoh(NSString * _Nullable source);
+BOOL kQNIsDnsSourceUdp(NSString * _Nullable source);
+BOOL kQNIsDnsSourceDnsPod(NSString * _Nullable source);
+BOOL kQNIsDnsSourceSystem(NSString * _Nullable source);
+BOOL kQNIsDnsSourceCustom(NSString * _Nullable source);
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Dns/QNDnsPrefetch.m

@@ -0,0 +1,874 @@
+//
+//  QNDnsPrefetch.m
+//  QnDNS
+//
+//  Created by yangsen on 2020/3/26.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+
+#import "QNDnsPrefetch.h"
+#import "QNInetAddress.h"
+#import "QNDnsCacheInfo.h"
+#import "QNZoneInfo.h"
+
+#import "QNDefine.h"
+#import "QNConfig.h"
+#import "QNDnsCacheFile.h"
+#import "QNUtils.h"
+#import "QNAsyncRun.h"
+#import "QNFixedZone.h"
+#import "QNAutoZone.h"
+#import <HappyDNS/HappyDNS.h>
+
+
+//MARK: -- 缓存模型
+@interface QNDnsNetworkAddress : NSObject<QNIDnsNetworkAddress>
+
+@property(nonatomic,   copy)NSString *hostValue;
+@property(nonatomic,   copy)NSString *ipValue;
+@property(nonatomic, strong)NSNumber *ttlValue;
+@property(nonatomic,   copy)NSString *sourceValue;
+@property(nonatomic, strong)NSNumber *timestampValue;
+
+/// 构造方法 addressData为json String / Dictionary / Data / 遵循 QNIDnsNetworkAddress的实例
++ (instancetype)inetAddress:(id)addressInfo;
+
+/// 是否有效，根据时间戳判断
+- (BOOL)isValid;
+
+/// 对象转json
+- (NSString *)toJsonInfo;
+
+/// 对象转字典
+- (NSDictionary *)toDictionary;
+
+@end
+@implementation QNDnsNetworkAddress
+
++ (instancetype)inetAddress:(id)addressInfo{
+    
+    NSDictionary *addressDic = nil;
+    if ([addressInfo isKindOfClass:[NSDictionary class]]) {
+        addressDic = (NSDictionary *)addressInfo;
+    } else if ([addressInfo isKindOfClass:[NSString class]]){
+        NSData *data = [(NSString *)addressInfo dataUsingEncoding:NSUTF8StringEncoding];
+        addressDic = [NSJSONSerialization JSONObjectWithData:data
+                                                     options:NSJSONReadingMutableLeaves
+                                                       error:nil];
+    } else if ([addressInfo isKindOfClass:[NSData class]]) {
+        addressDic = [NSJSONSerialization JSONObjectWithData:(NSData *)addressInfo
+                                                     options:NSJSONReadingMutableLeaves
+                                                       error:nil];
+    } else if ([addressInfo conformsToProtocol:@protocol(QNIDnsNetworkAddress)]){
+        id <QNIDnsNetworkAddress> address = (id <QNIDnsNetworkAddress> )addressInfo;
+        NSMutableDictionary *dic = [NSMutableDictionary dictionary];
+        if ([address respondsToSelector:@selector(hostValue)] && [address hostValue]) {
+            dic[@"hostValue"] = [address hostValue];
+        }
+        if ([address respondsToSelector:@selector(ipValue)] && [address ipValue]) {
+            dic[@"ipValue"] = [address ipValue];
+        }
+        if ([address respondsToSelector:@selector(ttlValue)] && [address ttlValue]) {
+            dic[@"ttlValue"] = [address ttlValue];
+        }
+        if ([address respondsToSelector:@selector(sourceValue)] && [address sourceValue]) {
+            dic[@"sourceValue"] = [address sourceValue];
+        } else {
+            dic[@"sourceValue"] = kQNDnsSourceCustom;
+        }
+        if ([address respondsToSelector:@selector(timestampValue)] && [address timestampValue]) {
+            dic[@"timestampValue"] = [address timestampValue];
+        }
+        addressDic = [dic copy];
+    }
+    
+    if (addressDic) {
+        QNDnsNetworkAddress *address = [[QNDnsNetworkAddress alloc] init];
+        [address setValuesForKeysWithDictionary:addressDic];
+        return address;
+    } else {
+        return nil;
+    }
+}
+
+/// 过了 ttl 时间则需要刷新
+- (BOOL)needRefresh{
+    if (!self.timestampValue || !self.ipValue || self.ipValue.length == 0) {
+        return NO;
+    }
+    NSTimeInterval currentTimestamp = [[NSDate date] timeIntervalSince1970];
+    return currentTimestamp > (self.timestampValue.doubleValue + self.ttlValue.doubleValue);
+}
+
+/// 只要在最大 ttl 时间内，即为有效
+- (BOOL)isValid{
+    if (!self.timestampValue || !self.ipValue || self.ipValue.length == 0) {
+        return NO;
+    }
+    NSTimeInterval currentTimestamp = [[NSDate date] timeIntervalSince1970];
+    return currentTimestamp < (self.timestampValue.doubleValue + kQNGlobalConfiguration.dnsCacheMaxTTL);
+}
+
+- (NSString *)toJsonInfo{
+    NSString *defaultString = @"{}";
+    NSDictionary *infoDic = [self toDictionary];
+    if (!infoDic) {
+        return defaultString;
+    }
+    
+    NSData *infoData = [NSJSONSerialization dataWithJSONObject:infoDic
+                                                       options:NSJSONWritingPrettyPrinted
+                                                         error:nil];
+    if (!infoData) {
+        return defaultString;
+    }
+    
+    NSString *infoStr = [[NSString alloc] initWithData:infoData encoding:NSUTF8StringEncoding];
+    if (!infoStr) {
+        return defaultString;
+    } else {
+        return infoStr;
+    }
+}
+
+- (NSDictionary *)toDictionary{
+    return [self dictionaryWithValuesForKeys:@[@"ipValue", @"hostValue", @"ttlValue", @"sourceValue", @"timestampValue"]];
+}
+
+- (void)setValue:(id)value forUndefinedKey:(NSString *)key{}
+
+@end
+
+
+//MARK: -- HappyDNS 适配
+@interface QNRecord(DNS)<QNIDnsNetworkAddress>
+@end
+@implementation QNRecord(DNS)
+- (NSString *)hostValue{
+    return nil;
+}
+- (NSString *)ipValue{
+    return self.value;
+}
+- (NSNumber *)ttlValue{
+    return @(self.ttl);
+}
+- (NSNumber *)timestampValue{
+    return @(self.timeStamp);
+}
+- (NSString *)sourceValue{
+    if (self.source == QNRecordSourceSystem) {
+        return kQNDnsSourceSystem;
+    } else if (self.source == QNRecordSourceDoh) {
+        return [NSString stringWithFormat:@"%@<%@>", kQNDnsSourceDoh, self.server];
+    } else if (self.source == QNRecordSourceUdp) {
+        return [NSString stringWithFormat:@"%@<%@>", kQNDnsSourceUdp, self.server];
+    } else if (self.source == QNRecordSourceDnspodEnterprise) {
+        return kQNDnsSourceDnspod;
+    } else if (self.ipValue == nil || self.ipValue.length == 0) {
+        return kQNDnsSourceNone;
+    } else {
+        return kQNDnsSourceCustom;
+    }
+}
+@end
+
+@interface QNInternalDns : NSObject
+@property(nonatomic, strong)id<QNDnsDelegate> dns;
+@property(nonatomic, strong)id<QNResolverDelegate> resolver;
+@end
+@implementation QNInternalDns
++ (instancetype)dnsWithDns:(id<QNDnsDelegate>)dns {
+    QNInternalDns *interDns = [[QNInternalDns alloc] init];
+    interDns.dns = dns;
+    return interDns;
+}
++ (instancetype)dnsWithResolver:(id<QNResolverDelegate>)resolver {
+    QNInternalDns *interDns = [[QNInternalDns alloc] init];
+    interDns.resolver = resolver;
+    return interDns;
+}
+- (NSArray < id <QNIDnsNetworkAddress> > *)query:(NSString *)host error:(NSError **)error {
+    if (self.dns && [self.dns respondsToSelector:@selector(query:)]) {
+        return [self.dns query:host];
+    } else if (self.resolver) {
+        NSArray <QNRecord *>* records = [self.resolver query:[[QNDomain alloc] init:host] networkInfo:nil error:error];
+        return [self filterRecords:records];
+    }
+    return nil;
+}
+- (NSArray <QNRecord *>*)filterRecords:(NSArray <QNRecord *>*)records {
+    NSMutableArray <QNRecord *> *newRecords = [NSMutableArray array];
+    for (QNRecord *record in records) {
+        if (record.type == kQNTypeA || record.type == kQNTypeAAAA) {
+            [newRecords addObject:record];
+        }
+    }
+    return [newRecords copy];
+}
+@end
+
+
+//MARK: -- DNS Prefetcher
+@interface QNDnsPrefetch()
+
+// dns 预解析超时，默认3s
+@property(nonatomic, assign)int dnsPrefetchTimeout;
+
+// 最近一次预取错误信息
+@property(nonatomic,  copy)NSString *lastPrefetchedErrorMessage;
+/// 是否正在预取，正在预取会直接取消新的预取操作请求
+@property(atomic, assign)BOOL isPrefetching;
+/// 获取AutoZone时的同步锁
+@property(nonatomic, strong)dispatch_semaphore_t getAutoZoneSemaphore;
+/// DNS信息本地缓存key
+@property(nonatomic, strong)QNDnsCacheInfo *dnsCacheInfo;
+// 用户定制 dns
+@property(nonatomic, strong)QNInternalDns *customDns;
+// 系统 dns
+@property(nonatomic, strong)QNInternalDns *systemDns;
+/// prefetch hosts
+@property(nonatomic, strong)NSMutableSet *prefetchHosts;
+/// 缓存DNS解析结果
+/// 线程安全：内部方法均是在同一线程执行，读写不必加锁，对外开放接口读操作 需要和内部写操作枷锁
+@property(nonatomic, strong)NSMutableDictionary <NSString *, NSArray<QNDnsNetworkAddress *>*> *addressDictionary;
+@property(nonatomic, strong)QNDnsCacheFile *diskCache;
+
+@end
+
+@implementation QNDnsPrefetch
+
++ (instancetype)shared{
+    static QNDnsPrefetch *prefetcher = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        prefetcher = [[QNDnsPrefetch alloc] init];
+    });
+    return prefetcher;
+}
+
+- (instancetype)init{
+    if (self = [super init]) {
+        _isPrefetching = NO;
+        _dnsPrefetchTimeout = 3;
+    }
+    return self;
+}
+
+//MARK: -- uploadManager初始化时，加载本地缓存到内存
+/// 同步本地预取缓存 如果存在且满足使用返回false，反之为true
+- (BOOL)recoverCache{
+    id <QNRecorderDelegate> recorder = nil;
+    
+    NSError *error;
+    recorder = [QNDnsCacheFile dnsCacheFile:kQNGlobalConfiguration.dnsCacheDir
+                                      error:&error];
+    if (error) {
+        return YES;
+    }
+    
+    NSData *data = [recorder get:[QNIP local]];
+    if (!data) {
+        return YES;
+    }
+    
+    QNDnsCacheInfo *cacheInfo = [QNDnsCacheInfo dnsCacheInfo:data];
+    if (!cacheInfo) {
+        return YES;
+    }
+    
+    NSString *localIp = [QNIP local];
+
+    if (!localIp || localIp.length == 0 || ![cacheInfo.localIp isEqualToString:localIp]) {
+        return YES;
+    }
+    
+    [self setDnsCacheInfo:cacheInfo];
+    
+    return [self recoverDnsCache:cacheInfo.info];
+}
+/// 本地缓存读取失败后，加载本地域名，预取DNS解析信息
+- (void)localFetch{
+    if ([self prepareToPreFetch] == NO) {
+        return;
+    }
+    NSArray *hosts = [self getLocalPreHost];
+    @synchronized (self) {
+        [self.prefetchHosts addObjectsFromArray:hosts];
+    }
+    [self preFetchHosts:hosts];
+    [self recorderDnsCache];
+    [self endPreFetch];
+}
+//MARK: -- 检测并预取
+/// 根据token检测Dns缓存信息时效，无效则预取。 完成预取操作返回YES，反之返回NO
+- (void)checkAndPrefetchDnsIfNeed:(QNConfiguration *)config zone:(QNZone *)currentZone token:(QNUpToken *)token{
+    if ([self prepareToPreFetch] == NO) {
+        return;
+    }
+    NSArray *hosts = [self getCurrentZoneHosts:config zone:currentZone token:token];
+    if (hosts == nil) {
+        return;
+    }
+    
+    @synchronized (self) {
+        [self.prefetchHosts addObjectsFromArray:hosts];
+    }
+    [self preFetchHosts:hosts];
+    [self recorderDnsCache];
+    [self endPreFetch];
+}
+/// 检测已预取dns是否还有效，无效则重新预取
+- (void)checkWhetherCachedDnsValid{
+    if ([self prepareToPreFetch] == NO) {
+        return;
+    }
+    NSArray *hosts = nil;
+    @synchronized (self) {
+        hosts = [self.prefetchHosts allObjects];
+    }
+    [self preFetchHosts:hosts];
+    [self recorderDnsCache];
+    [self endPreFetch];
+}
+
+//MARK: -- 读取缓存的DNS信息
+/// 根据host从缓存中读取DNS信息
+- (NSArray <id <QNIDnsNetworkAddress> > *)getInetAddressByHost:(NSString *)host{
+
+    if ([self isDnsOpen] == NO) {
+        return nil;
+    }
+    
+    [self clearDnsCacheIfNeeded];
+    
+    NSArray <QNDnsNetworkAddress *> *addressList = nil;
+    @synchronized (self) {
+        addressList = self.addressDictionary[host];
+    }
+    
+    if (addressList && addressList.count > 0 && [addressList.firstObject isValid]) {
+        return addressList;
+    } else {
+        return nil;
+    }
+}
+
+- (void)invalidNetworkAddressOfHost:(NSString *)host {
+    if (host == nil || host.length == 0) {
+        return;
+    }
+    @synchronized (self) {
+        [self.addressDictionary removeObjectForKey:host];
+    }
+}
+
+- (void)clearDnsCache:(NSError *__autoreleasing  _Nullable *)error {
+    [self clearDnsMemoryCache];
+    [self clearDnsDiskCache:error];
+}
+
+//MARK: --
+//MARK: -- 根据dns预取
+- (NSString *)prefetchHostBySafeDns:(NSString *)host error:(NSError * __autoreleasing *)error {
+    if (host == nil) {
+        return nil;
+    }
+    
+    [self invalidNetworkAddressOfHost:host];
+    
+    NSError *err = nil;
+    NSArray *nextFetchHosts = @[host];
+    nextFetchHosts = [self preFetchHosts:nextFetchHosts dns:self.customDns error:&err];
+    if (nextFetchHosts.count == 0) {
+        return [self getInetAddressByHost:host].firstObject.sourceValue;
+    }
+    
+    if (!kQNGlobalConfiguration.dohEnable) {
+        if (error != nil && err) {
+            *error = err;
+        }
+        return nil;
+    }
+    
+    if (kQNGlobalConfiguration.dohIpv4Servers && [kQNGlobalConfiguration.dohIpv4Servers count] > 0) {
+        QNDohResolver *dohResolver = [QNDohResolver resolverWithServers:kQNGlobalConfiguration.dohIpv4Servers recordType:kQNTypeA timeout:kQNGlobalConfiguration.dnsResolveTimeout];
+        QNInternalDns *doh = [QNInternalDns dnsWithResolver:dohResolver];
+        nextFetchHosts = [self preFetchHosts:nextFetchHosts dns:doh error:&err];
+        if (nextFetchHosts.count == 0) {
+            return [self getInetAddressByHost:host].firstObject.sourceValue;
+        }
+        if (error != nil && err) {
+            *error = err;
+        }
+    }
+    
+    if ([QNIP isIpV6FullySupported] && kQNGlobalConfiguration.dohIpv6Servers && [kQNGlobalConfiguration.dohIpv6Servers count] > 0) {
+        QNDohResolver *dohResolver = [QNDohResolver resolverWithServers:kQNGlobalConfiguration.dohIpv6Servers recordType:kQNTypeA timeout:kQNGlobalConfiguration.dnsResolveTimeout];
+        QNInternalDns *doh = [QNInternalDns dnsWithResolver:dohResolver];
+        nextFetchHosts = [self preFetchHosts:nextFetchHosts dns:doh error:&err];
+        if (error != nil && err) {
+            *error = err;
+        }
+    }
+    
+    if (nextFetchHosts.count == 0) {
+        return [self getInetAddressByHost:host].firstObject.sourceValue;
+    } else {
+        return nil;
+    }
+}
+
+- (BOOL)prepareToPreFetch {
+    if ([self isDnsOpen] == NO) {
+        return NO;
+    }
+    
+    self.lastPrefetchedErrorMessage = nil;
+    
+    if (self.isPrefetching == YES) {
+        return NO;
+    }
+    
+    [self clearDnsCacheIfNeeded];
+    
+    self.isPrefetching = YES;
+    return YES;
+}
+
+- (void)endPreFetch{
+    self.isPrefetching = NO;
+}
+
+- (void)preFetchHosts:(NSArray <NSString *> *)fetchHosts {
+    NSError *err = nil;
+    [self preFetchHosts:fetchHosts error:&err];
+    self.lastPrefetchedErrorMessage = err.description;
+}
+
+- (void)preFetchHosts:(NSArray <NSString *> *)fetchHosts error:(NSError **)error {
+    NSArray *nextFetchHosts = fetchHosts;
+    
+    // 定制
+    nextFetchHosts = [self preFetchHosts:nextFetchHosts dns:self.customDns error:error];
+    if (nextFetchHosts.count == 0) {
+        return;
+    }
+    
+    // 系统
+    nextFetchHosts = [self preFetchHosts:nextFetchHosts dns:self.systemDns error:error];
+    if (nextFetchHosts.count == 0) {
+        return;
+    }
+    
+    // doh
+    if (kQNGlobalConfiguration.dohEnable) {
+        if (kQNGlobalConfiguration.dohIpv4Servers && [kQNGlobalConfiguration.dohIpv4Servers count] > 0) {
+            QNDohResolver *dohResolver = [QNDohResolver resolverWithServers:kQNGlobalConfiguration.dohIpv4Servers recordType:kQNTypeA timeout:kQNGlobalConfiguration.dnsResolveTimeout];
+            QNInternalDns *doh = [QNInternalDns dnsWithResolver:dohResolver];
+            nextFetchHosts = [self preFetchHosts:nextFetchHosts dns:doh error:error];
+            if (nextFetchHosts.count == 0) {
+                return;
+            }
+        }
+        
+        if ([QNIP isIpV6FullySupported] && kQNGlobalConfiguration.dohIpv6Servers && [kQNGlobalConfiguration.dohIpv6Servers count] > 0) {
+            QNDohResolver *dohResolver = [QNDohResolver resolverWithServers:kQNGlobalConfiguration.dohIpv6Servers recordType:kQNTypeA timeout:kQNGlobalConfiguration.dnsResolveTimeout];
+            QNInternalDns *doh = [QNInternalDns dnsWithResolver:dohResolver];
+            nextFetchHosts = [self preFetchHosts:nextFetchHosts dns:doh error:error];
+            if (nextFetchHosts.count == 0) {
+                return;
+            }
+        }
+    }
+    
+    // udp
+    if (kQNGlobalConfiguration.udpDnsEnable) {
+        if (kQNGlobalConfiguration.udpDnsIpv4Servers && [kQNGlobalConfiguration.udpDnsIpv4Servers count] > 0) {
+            QNDnsUdpResolver *udpDnsResolver = [QNDnsUdpResolver resolverWithServerIPs:kQNGlobalConfiguration.udpDnsIpv4Servers recordType:kQNTypeA timeout:kQNGlobalConfiguration.dnsResolveTimeout];
+            QNInternalDns *udpDns = [QNInternalDns dnsWithResolver:udpDnsResolver];
+            [self preFetchHosts:nextFetchHosts dns:udpDns error:error];
+        }
+        
+        if ([QNIP isIpV6FullySupported] && kQNGlobalConfiguration.udpDnsIpv6Servers && [kQNGlobalConfiguration.udpDnsIpv6Servers count] > 0) {
+            QNDnsUdpResolver *udpDnsResolver = [QNDnsUdpResolver resolverWithServerIPs:kQNGlobalConfiguration.udpDnsIpv6Servers recordType:kQNTypeA timeout:kQNGlobalConfiguration.dnsResolveTimeout];
+            QNInternalDns *udpDns = [QNInternalDns dnsWithResolver:udpDnsResolver];
+            [self preFetchHosts:nextFetchHosts dns:udpDns error:error];
+        }
+    }
+}
+
+- (NSArray *)preFetchHosts:(NSArray <NSString *> *)preHosts dns:(QNInternalDns *)dns error:(NSError **)error {
+
+    if (!preHosts || preHosts.count == 0) {
+        return nil;
+    }
+    
+    if (!dns) {
+        return [preHosts copy];
+    }
+    
+    int dnsRepreHostNum = kQNGlobalConfiguration.dnsRepreHostNum;
+    NSMutableArray *failHosts = [NSMutableArray array];
+    for (NSString *host in preHosts) {
+        int rePreNum = 0;
+        BOOL isSuccess = NO;
+        
+        while (rePreNum < dnsRepreHostNum) {
+            if ([self preFetchHost:host dns:dns error:error]) {
+                isSuccess = YES;
+                break;
+            }
+            rePreNum += 1;
+        }
+        
+        if (!isSuccess) {
+            [failHosts addObject:host];
+        }
+    }
+    return [failHosts copy];
+}
+
+- (BOOL)preFetchHost:(NSString *)preHost dns:(QNInternalDns *)dns error:(NSError **)error {
+    
+    if (!preHost || preHost.length == 0) {
+        return NO;
+    }
+    
+    NSDictionary *addressDictionary = nil;
+    @synchronized (self) {
+        addressDictionary = [self.addressDictionary copy];
+    }
+    NSArray<QNDnsNetworkAddress *>* preAddressList = addressDictionary[preHost];
+    if (preAddressList && ![preAddressList.firstObject needRefresh]) {
+        return YES;
+    }
+    
+    NSArray <id <QNIDnsNetworkAddress> > * addressList = [dns query:preHost error:error];
+    if (addressList && addressList.count > 0) {
+        NSMutableArray *addressListP = [NSMutableArray array];
+        for (id <QNIDnsNetworkAddress>inetAddress in addressList) {
+            QNDnsNetworkAddress *address = [QNDnsNetworkAddress inetAddress:inetAddress];
+            if (address) {
+                address.hostValue = preHost;
+                if (!address.ttlValue) {
+                    address.ttlValue = @(kQNDefaultDnsCacheTime);
+                }
+                if (!address.timestampValue) {
+                    address.timestampValue = @([[NSDate date] timeIntervalSince1970]);
+                }
+                [addressListP addObject:address];
+            }
+        }
+        addressListP = [addressListP copy];
+        @synchronized (self) {
+            self.addressDictionary[preHost] = addressListP;
+        }
+        return YES;
+    } else {
+        return NO;
+    }
+}
+
+//MARK: -- 加载和存储缓存信息
+- (BOOL)recoverDnsCache:(NSDictionary *)dataDic{
+    if (dataDic == nil) {
+        return NO;
+    }
+    
+    NSMutableDictionary *records = [NSMutableDictionary dictionary];
+    for (NSString *key in dataDic.allKeys) {
+        NSArray *ips = dataDic[key];
+        if ([ips isKindOfClass:[NSArray class]]) {
+            
+            NSMutableArray <QNDnsNetworkAddress *> * addressList = [NSMutableArray array];
+            
+            for (NSDictionary *ipInfo in ips) {
+                if ([ipInfo isKindOfClass:[NSDictionary class]]) {
+                    QNDnsNetworkAddress *address = [QNDnsNetworkAddress inetAddress:ipInfo];
+                    if (address) {
+                        [addressList addObject:address];
+                    }
+                }
+            }
+            
+            if (addressList.count > 0) {
+                records[key] = [addressList copy];
+            }
+        }
+    }
+    @synchronized (self) {
+        [self.addressDictionary setValuesForKeysWithDictionary:records];
+    }
+    return NO;
+}
+
+- (BOOL)recorderDnsCache{
+    NSTimeInterval currentTime = [QNUtils currentTimestamp];
+    NSString *localIp = [QNIP local];
+    
+    if (localIp == nil || localIp.length == 0) {
+        return NO;
+    }
+
+    NSError *error;
+    id <QNRecorderDelegate> recorder = [QNDnsCacheFile dnsCacheFile:kQNGlobalConfiguration.dnsCacheDir
+                                                             error:&error];
+    if (error) {
+        return NO;
+    }
+    
+    NSDictionary *addressDictionary = nil;
+    @synchronized (self) {
+        addressDictionary = [self.addressDictionary copy];
+    }
+    NSMutableDictionary *addressInfo = [NSMutableDictionary dictionary];
+    for (NSString *key in addressDictionary.allKeys) {
+       
+        NSArray *addressModelList = addressDictionary[key];
+        NSMutableArray * addressDicList = [NSMutableArray array];
+
+        for (QNDnsNetworkAddress *ipInfo in addressModelList) {
+            NSDictionary *addressDic = [ipInfo toDictionary];
+            if (addressDic) {
+                [addressDicList addObject:addressDic];
+            }
+        }
+       
+        if (addressDicList.count > 0) {
+            addressInfo[key] = addressDicList;
+        }
+    }
+   
+    QNDnsCacheInfo *cacheInfo = [QNDnsCacheInfo dnsCacheInfo:[NSString stringWithFormat:@"%.0lf",currentTime]
+                                                     localIp:localIp
+                                                        info:addressInfo];
+    
+    NSData *cacheData = [cacheInfo jsonData];
+    if (!cacheData) {
+        return NO;
+    }
+    [self setDnsCacheInfo:cacheInfo];
+    [recorder set:localIp data:cacheData];
+    return true;
+}
+
+- (void)clearDnsCacheIfNeeded{
+    NSString *localIp = [QNIP local];
+    if (localIp == nil || (self.dnsCacheInfo && ![localIp isEqualToString:self.dnsCacheInfo.localIp])) {
+        [self clearDnsMemoryCache];
+    }
+}
+
+- (void)clearDnsMemoryCache {
+    @synchronized (self) {
+        [self.addressDictionary removeAllObjects];
+    }
+}
+
+- (void)clearDnsDiskCache:(NSError **)error {
+    [self.diskCache clearCache:error];
+}
+
+
+//MARK: -- 获取预取hosts
+- (NSArray <NSString *> *)getLocalPreHost{
+    NSMutableArray *localHosts = [NSMutableArray array];
+    [localHosts addObject:kQNUpLogHost];
+    return [localHosts copy];
+}
+
+- (NSArray <NSString *> *)getCurrentZoneHosts:(QNConfiguration *)config
+                                         zone:(QNZone *)currentZone
+                                        token:(QNUpToken *)token{
+    if (!currentZone || !token || !token.token) {
+        return nil;
+    }
+    
+    __block QNZonesInfo *zonesInfo = nil;
+    [currentZone query:config token:token on:^(QNResponseInfo * _Nullable httpResponseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, QNZonesInfo * _Nullable info) {
+        zonesInfo = info;
+        dispatch_semaphore_signal(self.semaphore);
+    }];
+    dispatch_semaphore_wait(self.semaphore, DISPATCH_TIME_FOREVER);
+    
+    if (zonesInfo == nil) {
+        return nil;
+    }
+    
+    QNZonesInfo *autoZonesInfo = [currentZone getZonesInfoWithToken:token];
+    NSMutableArray *autoHosts = [NSMutableArray array];
+    NSArray *zoneInfoList = autoZonesInfo.zonesInfo;
+    for (QNZoneInfo *info in zoneInfoList) {
+        if (info.allHosts) {
+            [autoHosts addObjectsFromArray:info.allHosts];
+        }
+    }
+    return [autoHosts copy];
+}
+
+
+//MARK: --
+- (BOOL)isDnsOpen{
+    return [kQNGlobalConfiguration isDnsOpen];
+}
+
+- (QNDnsCacheInfo *)dnsCacheInfo{
+    if (_dnsCacheInfo == nil) {
+        _dnsCacheInfo = [[QNDnsCacheInfo alloc] init];
+    }
+    return _dnsCacheInfo;
+}
+- (NSMutableDictionary<NSString *,NSArray<QNDnsNetworkAddress *> *> *)addressDictionary{
+    if (_addressDictionary == nil) {
+        _addressDictionary = [NSMutableDictionary dictionary];
+    }
+    return _addressDictionary;
+}
+
+- (dispatch_semaphore_t)semaphore{
+    if (_getAutoZoneSemaphore == NULL) {
+        _getAutoZoneSemaphore = dispatch_semaphore_create(0);
+    }
+    return _getAutoZoneSemaphore;
+}
+
+- (QNDnsCacheFile *)diskCache {
+    if (!_diskCache) {
+        NSError *error;
+        QNDnsCacheFile *cache = [QNDnsCacheFile dnsCacheFile:kQNGlobalConfiguration.dnsCacheDir error:&error];
+        if (!error) {
+            _diskCache = cache;
+        }
+    }
+    return _diskCache;
+}
+
+- (QNInternalDns *)customDns {
+    if (_customDns == nil && kQNGlobalConfiguration.dns) {
+        _customDns = [QNInternalDns dnsWithDns:kQNGlobalConfiguration.dns];
+    }
+    return _customDns;
+}
+
+- (QNInternalDns *)systemDns {
+    if (_systemDns == nil) {
+        _systemDns = [QNInternalDns dnsWithResolver:[[QNResolver alloc] initWithAddress:nil timeout:self.dnsPrefetchTimeout]];
+    }
+    return _systemDns;
+}
+
+- (NSMutableSet *)prefetchHosts {
+    if (!_prefetchHosts) {
+        _prefetchHosts = [NSMutableSet set];
+    }
+    return _prefetchHosts;
+}
+
+@end
+
+
+//MARK: -- DNS 事务
+@implementation QNTransactionManager(Dns)
+#define kQNLoadLocalDnsTransactionName @"QNLoadLocalDnsTransaction"
+#define kQNDnsCheckAndPrefetchTransactionName @"QNDnsCheckAndPrefetchTransactionName"
+
+- (void)addDnsLocalLoadTransaction{
+    
+    if ([kQNDnsPrefetch isDnsOpen] == NO) {
+        return;
+    }
+
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        
+        QNTransaction *transaction = [QNTransaction transaction:kQNLoadLocalDnsTransactionName after:0 action:^{
+            
+            [kQNDnsPrefetch recoverCache];
+            [kQNDnsPrefetch localFetch];
+        }];
+        [[QNTransactionManager shared] addTransaction:transaction];
+        [self setDnsCheckWhetherCachedValidTransactionAction];
+    });
+}
+
+- (BOOL)addDnsCheckAndPrefetchTransaction:(QNZone *)currentZone token:(QNUpToken *)token {
+    return [self addDnsCheckAndPrefetchTransaction:[QNConfiguration defaultConfiguration] zone:currentZone token:token];
+}
+
+- (BOOL)addDnsCheckAndPrefetchTransaction:(QNConfiguration *)config zone:(QNZone *)currentZone token:(QNUpToken *)token {
+
+    if (!token) {
+        return NO;
+    }
+    
+    if ([kQNDnsPrefetch isDnsOpen] == NO) {
+        return NO;
+    }
+    
+    BOOL ret = NO;
+    @synchronized (kQNDnsPrefetch) {
+        
+        QNTransactionManager *transactionManager = [QNTransactionManager shared];
+        
+        if (![transactionManager existTransactionsForName:token.token]) {
+            QNTransaction *transaction = [QNTransaction transaction:token.token after:0 action:^{
+               
+                [kQNDnsPrefetch checkAndPrefetchDnsIfNeed:config zone:currentZone token:token];
+            }];
+            [transactionManager addTransaction:transaction];
+            
+            ret = YES;
+        }
+    }
+    return ret;
+}
+
+- (void)setDnsCheckWhetherCachedValidTransactionAction{
+
+    if ([kQNDnsPrefetch isDnsOpen] == NO) {
+        return;
+    }
+    
+    @synchronized (kQNDnsPrefetch) {
+        
+        QNTransactionManager *transactionManager = [QNTransactionManager shared];
+        QNTransaction *transaction = [transactionManager transactionsForName:kQNDnsCheckAndPrefetchTransactionName].firstObject;
+        
+        if (!transaction) {
+            
+            QNTransaction *transaction = [QNTransaction timeTransaction:kQNDnsCheckAndPrefetchTransactionName
+                                                                  after:10
+                                                               interval:120
+                                                                 action:^{
+                [kQNDnsPrefetch checkWhetherCachedDnsValid];
+            }];
+            [transactionManager addTransaction:transaction];
+        } else {
+            [transactionManager performTransaction:transaction];
+        }
+    }
+}
+
+@end
+
+BOOL kQNIsDnsSourceDoh(NSString * _Nullable source) {
+    return [source containsString:kQNDnsSourceDoh];
+}
+
+BOOL kQNIsDnsSourceUdp(NSString * _Nullable source) {
+    return [source containsString:kQNDnsSourceUdp];
+}
+
+BOOL kQNIsDnsSourceDnsPod(NSString * _Nullable source) {
+    return [source containsString:kQNDnsSourceDnspod];
+}
+
+BOOL kQNIsDnsSourceSystem(NSString * _Nullable source) {
+    return [source containsString:kQNDnsSourceSystem];
+}
+
+BOOL kQNIsDnsSourceCustom(NSString * _Nullable source) {
+    return [source containsString:kQNDnsSourceCustom];
+}

Pods/Qiniu/QiniuSDK/Http/Dns/QNInetAddress.h

@@ -0,0 +1,37 @@
+//
+//  QNInetAddress.h
+//  QiniuSDK
+//
+//  Created by 杨森 on 2020/7/27.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNDns.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNInetAddress : NSObject <QNIDnsNetworkAddress>
+
+@property(nonatomic,  copy)NSString *hostValue;
+@property(nonatomic,  copy)NSString *ipValue;
+@property(nonatomic, strong)NSNumber *ttlValue;
+@property(nonatomic, strong)NSNumber *timestampValue;
+@property(nonatomic,   copy)NSString *sourceValue;
+
+
+/// 构造方法 addressData为json
+/// @param addressInfo 地址信息，类型可能为String / Dictionary / Data / 遵循 QNInetAddressDelegate的实例
++ (instancetype)inetAddress:(id)addressInfo;
+
+/// 是否有效，根据时间戳判断
+- (BOOL)isValid;
+
+/// 对象转json
+- (NSString *)toJsonInfo;
+
+/// 对象转字典
+- (NSDictionary *)toDictionary;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Dns/QNInetAddress.m

@@ -0,0 +1,95 @@
+//
+//  QNInetAddress.m
+//  QiniuSDK
+//
+//  Created by 杨森 on 2020/7/27.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNInetAddress.h"
+
+@interface QNInetAddress()
+@end
+@implementation QNInetAddress
++ (instancetype)inetAddress:(id)addressInfo{
+    
+    NSDictionary *addressDic = nil;
+    if ([addressInfo isKindOfClass:[NSDictionary class]]) {
+        addressDic = (NSDictionary *)addressInfo;
+    } else if ([addressInfo isKindOfClass:[NSString class]]){
+        NSData *data = [(NSString *)addressInfo dataUsingEncoding:NSUTF8StringEncoding];
+        addressDic = [NSJSONSerialization JSONObjectWithData:data
+                                                     options:NSJSONReadingMutableLeaves
+                                                       error:nil];
+    } else if ([addressInfo isKindOfClass:[NSData class]]) {
+        addressDic = [NSJSONSerialization JSONObjectWithData:(NSData *)addressInfo
+                                                     options:NSJSONReadingMutableLeaves
+                                                       error:nil];
+    } else if ([addressInfo conformsToProtocol:@protocol(QNIDnsNetworkAddress)]){
+        id <QNIDnsNetworkAddress> address = (id <QNIDnsNetworkAddress> )addressInfo;
+        NSMutableDictionary *dic = [NSMutableDictionary dictionary];
+        if ([address respondsToSelector:@selector(hostValue)] && [address hostValue]) {
+            dic[@"hostValue"] = [address hostValue];
+        }
+        if ([address respondsToSelector:@selector(ipValue)] && [address ipValue]) {
+            dic[@"ipValue"] = [address ipValue];
+        }
+        if ([address respondsToSelector:@selector(ttlValue)] && [address ttlValue]) {
+            dic[@"ttlValue"] = [address ttlValue];
+        }
+        if ([address respondsToSelector:@selector(timestampValue)] && [address timestampValue]) {
+            dic[@"timestampValue"] = [address timestampValue];
+        }
+        addressDic = [dic copy];
+    }
+    
+    if (addressDic) {
+        QNInetAddress *address = [[QNInetAddress alloc] init];
+        [address setValuesForKeysWithDictionary:addressDic];
+        return address;
+    } else {
+        return nil;
+    }
+}
+
+- (BOOL)isValid{
+    if (!self.timestampValue || !self.ipValue || self.ipValue.length == 0) {
+        return NO;
+    }
+    NSTimeInterval currentTimestamp = [[NSDate date] timeIntervalSince1970];
+    if (currentTimestamp > self.timestampValue.doubleValue + self.ttlValue.doubleValue) {
+        return NO;
+    } else {
+        return YES;
+    }
+}
+
+- (NSString *)toJsonInfo{
+    NSString *defaultString = @"{}";
+    NSDictionary *infoDic = [self toDictionary];
+    if (!infoDic) {
+        return defaultString;
+    }
+    
+    NSData *infoData = [NSJSONSerialization dataWithJSONObject:infoDic
+                                                       options:NSJSONWritingPrettyPrinted
+                                                         error:nil];
+    if (!infoData) {
+        return defaultString;
+    }
+    
+    NSString *infoStr = [[NSString alloc] initWithData:infoData encoding:NSUTF8StringEncoding];
+    if (!infoStr) {
+        return defaultString;
+    } else {
+        return infoStr;
+    }
+}
+
+- (NSDictionary *)toDictionary{
+    return [self dictionaryWithValuesForKeys:@[@"ipValue", @"hostValue", @"ttlValue", @"timestampValue"]];
+}
+
+- (void)setValue:(id)value forUndefinedKey:(NSString *)key{}
+
+@end

Pods/Qiniu/QiniuSDK/Http/NetworkStatus/QNNetworkStatusManager.h

@@ -0,0 +1,37 @@
+//
+//  QNNetworkStatusManager.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/11/17.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNNetworkStatus : NSObject
+
+/// 网速 单位：kb/s   默认：200kb/s
+@property(nonatomic, assign, readonly)int speed;
+
+@end
+
+
+#define kQNNetworkStatusManager [QNNetworkStatusManager sharedInstance]
+@interface QNNetworkStatusManager : NSObject
+
+
++ (instancetype)sharedInstance;
+
++ (NSString *)getNetworkStatusType:(NSString *)host
+                                ip:(NSString *)ip;
+
+- (QNNetworkStatus *)getNetworkStatus:(NSString *)type;
+
+- (void)updateNetworkStatus:(NSString *)type
+                      speed:(int)speed;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/NetworkStatus/QNNetworkStatusManager.m

@@ -0,0 +1,93 @@
+//
+//  QNNetworkStatusManager.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/11/17.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNUtils.h"
+#import "QNCache.h"
+#import "QNAsyncRun.h"
+#import "QNFileRecorder.h"
+#import "QNRecorderDelegate.h"
+#import "QNNetworkStatusManager.h"
+
+@interface QNNetworkStatus()<QNCacheObject>
+@property(nonatomic, assign)int speed;
+@end
+@implementation QNNetworkStatus
+- (instancetype)init{
+    if (self = [super init]) {
+        _speed = 200;
+    }
+    return self;
+}
+
+- (nonnull id<QNCacheObject>)initWithDictionary:(nullable NSDictionary *)dictionary {
+    QNNetworkStatus *status = [[QNNetworkStatus alloc] init];
+    status.speed = [dictionary[@"speed"] intValue];
+    return status;
+}
+
+- (NSDictionary *)toDictionary{
+    NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
+    [dictionary setObject:@(self.speed) forKey:@"speed"];
+    return dictionary;
+}
+
++ (QNNetworkStatus *)statusFromDictionary:(NSDictionary *)dictionary{
+    QNNetworkStatus *status = [[QNNetworkStatus alloc] init];
+    status.speed = [dictionary[@"speed"] intValue];
+    return status;
+}
+@end
+
+
+@interface QNNetworkStatusManager()
+
+@property(nonatomic, strong)QNCache *cache;
+
+@end
+@implementation QNNetworkStatusManager
+
++ (instancetype)sharedInstance{
+    static QNNetworkStatusManager *manager = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        manager = [[QNNetworkStatusManager alloc] init];
+        [manager initData];
+    });
+    return manager;
+}
+
+- (void)initData{
+    QNCacheOption *option = [[QNCacheOption alloc] init];
+    option.version = @"v1.0.2";
+    option.flushCount = 10;
+    self.cache = [QNCache cache:[QNNetworkStatus class] option:option];
+}
+
++ (NSString *)getNetworkStatusType:(NSString *)host
+                                ip:(NSString *)ip {
+    return [QNUtils getIpType:ip host:host];
+}
+
+- (QNNetworkStatus *)getNetworkStatus:(NSString *)type{
+    if (type == nil || type.length == 0) {
+        return nil;
+    }
+    return [self.cache cacheForKey:type];
+}
+
+- (void)updateNetworkStatus:(NSString *)type speed:(int)speed{
+    if (type == nil || type.length == 0) {
+        return;
+    }
+    
+    QNNetworkStatus *status = [[QNNetworkStatus alloc] init];
+    status.speed = speed;
+    [self.cache cache:status forKey:type atomically:false];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/NetworkStatus/QNUploadServerNetworkStatus.h

@@ -0,0 +1,24 @@
+//
+//  QNUploadServerNetworkStatus.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/11/17.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "QNUploadServer.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUploadServerNetworkStatus : NSObject
+
++ (QNUploadServer *)getBetterNetworkServer:(QNUploadServer *)serverA
+                                   serverB:(QNUploadServer *)serverB;
+
++ (BOOL)isServerNetworkBetter:(QNUploadServer *)serverA
+                  thanServerB:(QNUploadServer *)serverB;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/NetworkStatus/QNUploadServerNetworkStatus.m

@@ -0,0 +1,40 @@
+//
+//  QNUploadServerNetworkStatus.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/11/17.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNUtils.h"
+#import "QNNetworkStatusManager.h"
+#import "QNUploadServerNetworkStatus.h"
+
+@implementation QNUploadServerNetworkStatus
+
++ (QNUploadServer *)getBetterNetworkServer:(QNUploadServer *)serverA serverB:(QNUploadServer *)serverB {
+    return [self isServerNetworkBetter:serverA thanServerB:serverB] ? serverA : serverB;
+}
+
++ (BOOL)isServerNetworkBetter:(QNUploadServer *)serverA thanServerB:(QNUploadServer *)serverB {
+    if (serverA == nil) {
+        return NO;
+    } else if (serverB == nil) {
+        return YES;
+    }
+    
+    NSString *serverTypeA = [QNNetworkStatusManager getNetworkStatusType:serverA.host ip:serverA.ip];
+    NSString *serverTypeB = [QNNetworkStatusManager getNetworkStatusType:serverB.host ip:serverB.ip];
+    if (serverTypeA == nil) {
+        return NO;
+    } else if (serverTypeB == nil) {
+        return YES;
+    }
+    
+    QNNetworkStatus *serverStatusA = [kQNNetworkStatusManager getNetworkStatus:serverTypeA];
+    QNNetworkStatus *serverStatusB = [kQNNetworkStatusManager getNetworkStatus:serverTypeB];
+
+    return serverStatusB.speed < serverStatusA.speed;
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/QNResponseInfo.h

@@ -0,0 +1,85 @@
+//
+//  QNResponseInfo.h
+//  QiniuSDK
+//
+//  Created by bailong on 14/10/2.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+
+#import "QNErrorCode.h"
+
+/**
+ *    上传完成后返回的状态信息
+ */
+@interface QNResponseInfo : NSObject
+
+/// 状态码，具体见 QNErrorCode.h
+@property (readonly) int statusCode;
+/// response 信息
+@property (nonatomic, copy, readonly) NSDictionary *responseDictionary;
+/// response 头信息
+@property (nonatomic, copy, readonly) NSDictionary *responseHeader;
+/// response message
+@property (nonatomic, copy, readonly) NSString *message;
+/// 七牛服务器生成的请求ID，用来跟踪请求信息，如果使用过程中出现问题，请反馈此ID
+@property (nonatomic, copy, readonly) NSString *reqId;
+/// 七牛服务器内部跟踪记录
+@property (nonatomic, copy, readonly) NSString *xlog;
+/// cdn服务器内部跟踪记录
+@property (nonatomic, copy, readonly) NSString *xvia;
+/// 错误信息，出错时请反馈此记录
+@property (nonatomic, copy, readonly) NSError *error;
+/// 服务器域名
+@property (nonatomic, copy, readonly) NSString *host;
+/// 客户端id
+@property (nonatomic, readonly) NSString *id;
+/// 时间戳
+@property (readonly) UInt64 timeStamp;
+/// 是否取消
+@property (nonatomic, readonly, getter=isCancelled) BOOL canceled;
+/// 成功的请求
+@property (nonatomic, readonly, getter=isOK) BOOL ok;
+/// 是否网络错误
+@property (nonatomic, readonly, getter=isConnectionBroken) BOOL broken;
+/// 是否TLS错误
+@property (nonatomic, readonly) BOOL isTlsError;
+/// 是否可以再次重试，当遇到权限等怎么重试都不可能成功的问题时，返回NO
+@property (nonatomic, readonly) BOOL couldRetry;
+/// 单个host是否可以再次重试
+@property (nonatomic, readonly) BOOL couldHostRetry;
+/// 单个Region是否可以再次重试
+@property (nonatomic, readonly) BOOL couldRegionRetry;
+/// 当前host是否可达
+@property (nonatomic, readonly) BOOL canConnectToHost;
+/// 当前host是否可用
+@property (nonatomic, readonly) BOOL isHostUnavailable;
+/// 在断点续上传过程中，ctx 信息已过期。
+@property (nonatomic, readonly) BOOL isCtxExpiedError;
+/// 是否是加速配置错误
+@property (nonatomic, readonly) BOOL isTransferAccelerationConfigureError;
+/// 是否为 七牛响应
+@property (nonatomic, readonly, getter=isNotQiniu) BOOL notQiniu;
+
+//MARK:-- 构造函数 【内部使用】
++ (instancetype)successResponse;
++ (instancetype)successResponseWithDesc:(NSString *)desc;
++ (instancetype)cancelResponse;
++ (instancetype)responseInfoWithNetworkError:(NSString *)desc;
++ (instancetype)responseInfoWithInvalidArgument:(NSString *)desc;
++ (instancetype)responseInfoWithInvalidToken:(NSString *)desc;
++ (instancetype)responseInfoWithFileError:(NSError *)error;
++ (instancetype)responseInfoOfZeroData:(NSString *)path;
++ (instancetype)responseInfoWithLocalIOError:(NSString *)desc;
++ (instancetype)responseInfoWithMaliciousResponseError:(NSString *)desc;
+// 使用responseInfoWithSDKInteriorError替代
++ (instancetype)responseInfoWithNoUsableHostError:(NSString *)desc NS_UNAVAILABLE;
++ (instancetype)responseInfoWithSDKInteriorError:(NSString *)desc;
++ (instancetype)responseInfoWithUnexpectedSysCallError:(NSString *)desc;
+
++ (instancetype)errorResponseInfo:(int)errorType
+                        errorDesc:(NSString *)errorDesc;
+- (instancetype)initWithResponseInfoHost:(NSString *)host
+                                response:(NSHTTPURLResponse *)response
+                                    body:(NSData *)body
+                                   error:(NSError *)error;
+@end

Pods/Qiniu/QiniuSDK/Http/QNResponseInfo.m

@@ -0,0 +1,341 @@
+//
+//  QNResponseInfo.m
+//  QiniuSDK
+//
+//  Created by bailong on 14/10/2.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+#import "QNErrorCode.h"
+#import "QNResponseInfo.h"
+#import "QNUserAgent.h"
+#import "QNUtils.h"
+
+static NSString *kQNErrorDomain = @"qiniu.com";
+
+@interface QNResponseInfo ()
+
+@property (assign) int statusCode;
+@property (nonatomic, copy) NSString *message;
+@property (nonatomic, copy) NSString *reqId;
+@property (nonatomic, copy) NSString *xlog;
+@property (nonatomic, copy) NSString *xvia;
+@property (nonatomic, copy) NSError *error;
+@property (nonatomic, copy) NSString *host;
+@property (nonatomic, copy) NSString *id;
+@property (assign) UInt64 timeStamp;
+
+@end
+
+@implementation QNResponseInfo
++ (instancetype)successResponse{
+    return [QNResponseInfo successResponseWithDesc:@"inter:ok"];
+}
+
++ (instancetype)successResponseWithDesc:(NSString *)desc {
+    QNResponseInfo *responseInfo = [[QNResponseInfo alloc] init];
+    responseInfo.statusCode = 200;
+    responseInfo.message = desc;
+    responseInfo.xlog = @"inter:xlog";
+    responseInfo.reqId = @"inter:reqid";
+    return responseInfo;
+}
+
++ (instancetype)cancelResponse {
+    return [QNResponseInfo errorResponseInfo:kQNRequestCancelled
+                                   errorDesc:@"cancelled by user"];
+}
+
++ (instancetype)responseInfoWithNetworkError:(NSString *)desc{
+    return [QNResponseInfo errorResponseInfo:kQNNetworkError
+                                   errorDesc:desc];
+}
+
++ (instancetype)responseInfoWithInvalidArgument:(NSString *)desc{
+    return [QNResponseInfo errorResponseInfo:kQNInvalidArgument
+                                   errorDesc:desc];
+}
+
++ (instancetype)responseInfoWithInvalidToken:(NSString *)desc {
+    return [QNResponseInfo errorResponseInfo:kQNInvalidToken
+                                   errorDesc:desc];
+}
+
++ (instancetype)responseInfoWithFileError:(NSError *)error {
+    return [QNResponseInfo errorResponseInfo:kQNFileError
+                                   errorDesc:nil
+                                       error:error];
+}
+
++ (instancetype)responseInfoOfZeroData:(NSString *)path {
+    NSString *desc;
+    if (path == nil) {
+        desc = @"data size is 0";
+    } else {
+        desc = [[NSString alloc] initWithFormat:@"file %@ size is 0", path];
+    }
+    return [QNResponseInfo errorResponseInfo:kQNZeroDataSize
+                                   errorDesc:desc];
+}
+
++ (instancetype)responseInfoWithLocalIOError:(NSString *)desc{
+    return [QNResponseInfo errorResponseInfo:kQNLocalIOError
+                                   errorDesc:desc];
+}
+
++ (instancetype)responseInfoWithMaliciousResponseError:(NSString *)desc{
+    return [QNResponseInfo errorResponseInfo:kQNMaliciousResponseError
+                                   errorDesc:desc];
+}
+
++ (instancetype)responseInfoWithNoUsableHostError:(NSString *)desc{
+    return [QNResponseInfo errorResponseInfo:kQNSDKInteriorError
+                                   errorDesc:desc];
+}
+
++ (instancetype)responseInfoWithSDKInteriorError:(NSString *)desc{
+    return [QNResponseInfo errorResponseInfo:kQNSDKInteriorError
+                                   errorDesc:desc];
+}
+
++ (instancetype)responseInfoWithUnexpectedSysCallError:(NSString *)desc{
+    return [QNResponseInfo errorResponseInfo:kQNUnexpectedSysCallError
+                                   errorDesc:desc];
+}
+
++ (instancetype)errorResponseInfo:(int)errorType
+                        errorDesc:(NSString *)errorDesc{
+    return [self errorResponseInfo:errorType errorDesc:errorDesc error:nil];
+}
+
++ (instancetype)errorResponseInfo:(int)errorType
+                        errorDesc:(NSString *)errorDesc
+                            error:(NSError *)error{
+    QNResponseInfo *response = [[QNResponseInfo alloc] init];
+    response.statusCode = errorType;
+    response.message = errorDesc;
+    if (error) {
+       response.error = error;
+    } else {
+        NSError *error = [[NSError alloc] initWithDomain:kQNErrorDomain
+                                                    code:errorType
+                                                userInfo:@{ @"error" : response.message ?: @"error" }];
+        response.error = error;
+    }
+    
+    return response;
+}
+
+- (instancetype)initWithResponseInfoHost:(NSString *)host
+                                response:(NSHTTPURLResponse *)response
+                                    body:(NSData *)body
+                                   error:(NSError *)error {
+    
+    self = [super init];
+    if (self) {
+        
+        _host = host;
+        _timeStamp = [[NSDate date] timeIntervalSince1970];
+        
+        if (response) {
+            
+            int statusCode = (int)[response statusCode];
+            NSDictionary *headers = [response allHeaderFields];
+            _responseHeader = [headers copy];
+            _statusCode = statusCode;
+            _reqId = headers[@"x-reqid"];
+            _xlog = headers[@"x-log"];
+            _xvia = headers[@"x-via"] ?: headers[@"x-px"] ?: headers[@"fw-via"];
+            if (_statusCode == 200 && _reqId == nil && _xlog == nil) {
+                _statusCode = kQNMaliciousResponseError;
+                _message = @"this is a malicious response";
+                _responseDictionary = nil;
+                _error = [[NSError alloc] initWithDomain:kQNErrorDomain code:_statusCode userInfo:@{@"error" : _message}];
+            } else if (error) {
+                _error = error;
+                _statusCode = (int)error.code;
+                _message = [NSString stringWithFormat:@"%@", error];
+                _responseDictionary = nil;
+            } else {
+                NSMutableDictionary *errorUserInfo = [@{@"errorHost" : host ?: @""} mutableCopy];
+                if (!body) {
+                    _message = @"no response data";
+                    _error = nil;
+                    _responseDictionary = nil;
+                } else {
+                    NSError *tmp = nil;
+                    NSDictionary *responseInfo = nil;
+                    responseInfo = [NSJSONSerialization JSONObjectWithData:body options:NSJSONReadingMutableLeaves error:&tmp];
+                    if (tmp){
+                        _message = [[NSString alloc] initWithData:body encoding:NSUTF8StringEncoding];
+                        _error = nil;
+                        _responseDictionary = nil;
+                    } else if (statusCode >= 200 && statusCode < 300) {
+                        _error = nil;
+                        _message = @"ok";
+                        _responseDictionary = responseInfo;
+                    } else {
+                        NSString *errorString = responseInfo[@"error"];
+                        if (errorString) {
+                            [errorUserInfo setDictionary:@{@"error" : errorString}];
+                            _message = errorString;
+                            _error = [[NSError alloc] initWithDomain:kQNErrorDomain code:statusCode userInfo:errorUserInfo];
+                        } else {
+                            _message = errorString;
+                            _error = nil;
+                        }
+                        
+                        _responseDictionary = responseInfo;
+                    }
+                }
+            }
+        } else if (error) {
+            _error = error;
+            _statusCode = (int)error.code;
+            _message = [NSString stringWithFormat:@"%@", error];
+            _responseDictionary = nil;
+        } else {
+            _statusCode = kQNUnexpectedSysCallError;
+            _message = @"no response";
+        }
+    }
+    return self;
+}
+
+- (BOOL)isCancelled {
+    return _statusCode == kQNRequestCancelled || _statusCode == -999;
+}
+
+- (BOOL)isTlsError{
+    if (_statusCode == NSURLErrorServerCertificateHasBadDate
+        || _statusCode == NSURLErrorClientCertificateRejected
+        || _statusCode == NSURLErrorClientCertificateRequired) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+- (BOOL)isQiniu {
+    // reqId is nill means the server is not qiniu
+    return ![self isNotQiniu];
+}
+
+- (BOOL)isNotQiniu {
+    // reqId is nill means the server is not qiniu
+    return (_statusCode == kQNMaliciousResponseError) || (_statusCode > 0 && _reqId == nil && _xlog == nil);
+}
+
+- (BOOL)isOK {
+    return (_statusCode >= 200 && _statusCode < 300) && _error == nil && (_reqId != nil || _xlog != nil);
+}
+
+- (BOOL)couldRetry {
+    if (![self isQiniu]) {
+        return YES;
+    }
+    
+    if ([self isCtxExpiedError]) {
+        return YES;
+    }
+    
+    if ([self isTransferAccelerationConfigureError]) {
+        return YES;
+    }
+    
+    if (self.isCancelled
+        || _statusCode == 100
+        || (_statusCode > 300 && _statusCode < 400)
+        || (_statusCode > 400 && _statusCode < 500 && _statusCode != 406)
+        || _statusCode == 501 || _statusCode == 573
+        || _statusCode == 608 || _statusCode == 612 || _statusCode == 614 || _statusCode == 616
+        || _statusCode == 619 || _statusCode == 630 || _statusCode == 631 || _statusCode == 640
+        || (_statusCode != kQNLocalIOError && _statusCode != kQNUnexpectedSysCallError && _statusCode < -1 && _statusCode > -1000)) {
+        return NO;
+    } else {
+        return YES;
+    }
+}
+
+- (BOOL)couldRegionRetry{
+    if (![self isQiniu]) {
+        return YES;
+    }
+    
+    if ([self isTransferAccelerationConfigureError]) {
+        return YES;
+    }
+    
+    if (self.isCancelled
+        || _statusCode == 100
+        || (_statusCode > 300 && _statusCode < 500 && _statusCode != 406)
+        || _statusCode == 501 || _statusCode == 573 || _statusCode == 579
+        || _statusCode == 608 || _statusCode == 612 || _statusCode == 614 || _statusCode == 616
+        || _statusCode == 619 || _statusCode == 630 || _statusCode == 631 || _statusCode == 640
+        || _statusCode == 701
+        || (_statusCode != kQNLocalIOError && _statusCode != kQNUnexpectedSysCallError && _statusCode < -1 && _statusCode > -1000)) {
+        return NO;
+    } else {
+        return YES;
+    }
+}
+
+- (BOOL)couldHostRetry{
+    if (![self isQiniu]) {
+        return YES;
+    }
+    
+    if ([self isTransferAccelerationConfigureError]) {
+        return NO;
+    }
+    
+    if (self.isCancelled
+        || _statusCode == 100
+        || (_statusCode > 300 && _statusCode < 500 && _statusCode != 406)
+        || _statusCode == 501 || _statusCode == 502 || _statusCode == 503
+        || _statusCode == 571 || _statusCode == 573 || _statusCode == 579 || _statusCode == 599
+        || _statusCode == 608 || _statusCode == 612 || _statusCode == 614 || _statusCode == 616
+        || _statusCode == 619 || _statusCode == 630 || _statusCode == 631 || _statusCode == 640
+        || _statusCode == 701
+        || (_statusCode != kQNLocalIOError && _statusCode != kQNUnexpectedSysCallError && _statusCode < -1 && _statusCode > -1000)) {
+        return NO;
+    } else {
+        return YES;
+    }
+}
+
+- (BOOL)canConnectToHost{
+    if (_statusCode > 99 || self.isCancelled) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+- (BOOL)isHostUnavailable{
+    // 基本不可恢复，注：会影响下次请求，范围太大可能会造成大量的timeout
+    if ([self isTransferAccelerationConfigureError] ||
+        _statusCode == 502 || _statusCode == 503 || _statusCode == 504 || _statusCode == 599) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+- (BOOL)isCtxExpiedError {
+    return _statusCode == 701 || (_statusCode == 612 && [_message containsString:@"no such uploadId"]);
+}
+
+- (BOOL)isTransferAccelerationConfigureError {
+    NSString *errorDesc = [NSString stringWithFormat:@"%@", self.error];
+    return [errorDesc containsString:@"transfer acceleration is not configured on this bucket"];
+}
+
+- (BOOL)isConnectionBroken {
+    return _statusCode == kQNNetworkError || _statusCode == NSURLErrorNotConnectedToInternet;
+}
+
+- (NSString *)description {
+    return [NSString stringWithFormat:@"<%@= id: %@, ver: %@, status: %d, requestId: %@, xlog: %@, xvia: %@, host: %@ time: %llu error: %@>", NSStringFromClass([self class]), _id, [QNUtils sdkVersion], _statusCode, _reqId, _xlog, _xvia, _host, _timeStamp, _error];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/QNUploadRequestMetrics.h

@@ -0,0 +1,128 @@
+//
+//  QNUploadRequestMetrics.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/29.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "QNUploadRegionInfo.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUploadMetrics : NSObject
+
+@property (nonatomic, nullable, strong, readonly) NSDate *startDate;
+@property (nonatomic, nullable, strong, readonly) NSDate *endDate;
+@property (nonatomic, nullable, strong, readonly) NSNumber *totalElapsedTime;
+
+//MARK:-- 构造
++ (instancetype)emptyMetrics;
+
+- (void)start;
+- (void)end;
+
+@end
+
+
+#define kQNMetricsRequestHijacked @"forsure"
+#define kQNMetricsRequestMaybeHijacked @"maybe"
+
+@interface QNUploadSingleRequestMetrics : QNUploadMetrics
+
+// 请求的 httpVersion
+@property (nonatomic,  copy)NSString *httpVersion;
+
+// 请求是否劫持
+@property (nonatomic,   copy)NSString *hijacked;
+@property (nonatomic, assign, readonly)BOOL isForsureHijacked;
+@property (nonatomic, assign, readonly)BOOL isMaybeHijacked;
+@property (nonatomic,   copy) NSString *syncDnsSource;
+@property (nonatomic, strong) NSError *syncDnsError;
+
+// 只有进行网络检测才会有 connectCheckMetrics
+@property (nonatomic, nullable , strong) QNUploadSingleRequestMetrics *connectCheckMetrics;
+
+// 错误信息
+@property (nonatomic, nullable , strong) NSError *error;
+
+@property (nonatomic, nullable, copy) NSURLRequest *request;
+@property (nonatomic, nullable, copy) NSURLResponse *response;
+
+@property (nonatomic, nullable, copy) NSDate *domainLookupStartDate;
+@property (nonatomic, nullable, copy) NSDate *domainLookupEndDate;
+@property (nonatomic, nullable, strong, readonly) NSNumber *totalDnsTime;
+
+@property (nonatomic, nullable, copy) NSDate *connectStartDate;
+@property (nonatomic, nullable, copy) NSDate *connectEndDate;
+@property (nonatomic, nullable, strong, readonly) NSNumber *totalConnectTime;
+
+@property (nonatomic, nullable, copy) NSDate *secureConnectionStartDate;
+@property (nonatomic, nullable, copy) NSDate *secureConnectionEndDate;
+@property (nonatomic, nullable, strong, readonly) NSNumber *totalSecureConnectTime;
+
+@property (nonatomic, nullable, copy) NSDate *requestStartDate;
+@property (nonatomic, nullable, copy) NSDate *requestEndDate;
+@property (nonatomic, nullable, strong, readonly) NSNumber *totalRequestTime;
+
+@property (nonatomic, nullable, strong, readonly) NSNumber *totalWaitTime;
+
+@property (nonatomic, nullable, copy) NSDate *responseStartDate;
+@property (nonatomic, nullable, copy) NSDate *responseEndDate;
+@property (nonatomic, nullable, strong, readonly) NSNumber *totalResponseTime;
+
+@property (nonatomic, assign) int64_t countOfRequestHeaderBytesSent;
+@property (nonatomic, assign) int64_t countOfRequestBodyBytesSent;
+
+@property (nonatomic, assign) int64_t countOfResponseHeaderBytesReceived;
+@property (nonatomic, assign) int64_t countOfResponseBodyBytesReceived;
+
+@property (nonatomic, nullable, copy) NSString *localAddress;
+@property (nonatomic, nullable, copy) NSNumber *localPort;
+@property (nonatomic, nullable, copy) NSString *remoteAddress;
+@property (nonatomic, nullable, copy) NSNumber *remotePort;
+
+@property (nonatomic, strong, readonly) NSNumber *totalBytes;
+@property (nonatomic, strong, readonly) NSNumber *bytesSend;
+@property (nonatomic, strong, readonly) NSNumber *perceptiveSpeed;
+
+
+@end
+
+
+@interface QNUploadRegionRequestMetrics : QNUploadMetrics
+
+@property (nonatomic, strong, readonly) NSNumber *requestCount;
+@property (nonatomic, strong, readonly) NSNumber *bytesSend;
+@property (nonatomic, strong, readonly) id <QNUploadRegion> region;
+@property (nonatomic, strong, readonly) QNUploadSingleRequestMetrics *lastMetrics;
+@property (nonatomic,   copy, readonly) NSArray<QNUploadSingleRequestMetrics *> *metricsList;
+
+//MARK:-- 构造
+- (instancetype)initWithRegion:(id <QNUploadRegion>)region;
+
+- (void)addMetricsList:(NSArray <QNUploadSingleRequestMetrics *> *)metricsList;
+- (void)addMetrics:(QNUploadRegionRequestMetrics*)metrics;
+
+@end
+
+
+@interface QNUploadTaskMetrics : QNUploadMetrics
+
+@property (nonatomic,   copy, readonly) NSString *upType;
+@property (nonatomic, strong, readonly) NSNumber *requestCount;
+@property (nonatomic, strong, readonly) NSNumber *bytesSend;
+@property (nonatomic, strong, readonly) NSNumber *regionCount;
+@property (nonatomic, strong, readonly) QNUploadRegionRequestMetrics *lastMetrics;
+
+@property (nonatomic, strong) QNUploadRegionRequestMetrics *ucQueryMetrics;
+@property (nonatomic, strong) NSArray<id <QNUploadRegion>> *regions;
+
++ (instancetype)taskMetrics:(NSString *)upType;
+
+- (void)addMetrics:(QNUploadRegionRequestMetrics *)metrics;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/QNUploadRequestMetrics.m

@@ -0,0 +1,351 @@
+//
+//  QNUploadRequestMetrics.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/29.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNUtils.h"
+#import "QNUploadRequestMetrics.h"
+#import "NSURLRequest+QNRequest.h"
+#import "QNZoneInfo.h"
+
+@interface QNUploadMetrics()
+
+@property (nullable, strong) NSDate *startDate;
+@property (nullable, strong) NSDate *endDate;
+
+@end
+@implementation QNUploadMetrics
+//MARK:-- 构造
++ (instancetype)emptyMetrics {
+    return [[self alloc] init];
+}
+
+- (NSNumber *)totalElapsedTime{
+    return [QNUtils dateDuration:self.startDate endDate:self.endDate];
+}
+
+- (void)start {
+    self.startDate = [NSDate date];
+}
+
+- (void)end {
+    self.endDate = [NSDate date];
+}
+@end
+
+@interface QNUploadSingleRequestMetrics()
+@property (nonatomic, assign) int64_t countOfRequestHeaderBytes;
+@property (nonatomic, assign) int64_t countOfRequestBodyBytes;
+@end
+@implementation QNUploadSingleRequestMetrics
+
++ (instancetype)emptyMetrics{
+    QNUploadSingleRequestMetrics *metrics = [[QNUploadSingleRequestMetrics alloc] init];
+    return metrics;
+}
+
+- (instancetype)init{
+    if (self = [super init]) {
+        [self initData];
+    }
+    return self;
+}
+
+- (void)initData{
+    _countOfRequestHeaderBytesSent = 0;
+    _countOfRequestBodyBytesSent = 0;
+    _countOfResponseHeaderBytesReceived = 0;
+    _countOfResponseBodyBytesReceived = 0;
+}
+
+- (void)setRequest:(NSURLRequest *)request{
+    NSMutableURLRequest *newRequest = [NSMutableURLRequest requestWithURL:request.URL
+                                                              cachePolicy:request.cachePolicy
+                                                          timeoutInterval:request.timeoutInterval];
+    newRequest.allHTTPHeaderFields = request.allHTTPHeaderFields;
+    
+    self.countOfRequestHeaderBytes = [NSString stringWithFormat:@"%@", request.allHTTPHeaderFields].length;
+    self.countOfRequestBodyBytes = [request.qn_getHttpBody length];
+    _totalBytes = @(self.countOfRequestHeaderBytes + self.countOfRequestBodyBytes);
+    _request = [newRequest copy];
+}
+
+- (void)setResponse:(NSURLResponse *)response {
+    if ([response isKindOfClass:[NSHTTPURLResponse class]] &&
+        [(NSHTTPURLResponse *)response statusCode] >= 200 &&
+        [(NSHTTPURLResponse *)response statusCode] < 300) {
+        _countOfRequestHeaderBytesSent = _countOfRequestHeaderBytes;
+        _countOfRequestBodyBytesSent = _countOfRequestBodyBytes;
+    }
+    if (_countOfResponseBodyBytesReceived <= 0) {
+        _countOfResponseBodyBytesReceived = response.expectedContentLength;
+    }
+    if (_countOfResponseHeaderBytesReceived <= 0 && [response isKindOfClass:[NSHTTPURLResponse class]]) {
+        _countOfResponseHeaderBytesReceived = [NSString stringWithFormat:@"%@", [(NSHTTPURLResponse *)response allHeaderFields]].length;
+    }
+    _response = [response copy];
+}
+
+- (BOOL)isForsureHijacked {
+    return [self.hijacked isEqualToString:kQNMetricsRequestHijacked];
+}
+
+- (BOOL)isMaybeHijacked {
+    return [self.hijacked isEqualToString:kQNMetricsRequestMaybeHijacked];
+}
+
+- (NSNumber *)totalElapsedTime{
+    return [self timeFromStartDate:self.startDate
+                         toEndDate:self.endDate];
+}
+
+- (NSNumber *)totalDnsTime{
+    return [self timeFromStartDate:self.domainLookupStartDate
+                         toEndDate:self.domainLookupEndDate];
+}
+
+- (NSNumber *)totalConnectTime{
+    return [self timeFromStartDate:self.connectStartDate
+                         toEndDate:self.connectEndDate];
+}
+
+- (NSNumber *)totalSecureConnectTime{
+    return [self timeFromStartDate:self.secureConnectionStartDate
+                         toEndDate:self.secureConnectionEndDate];
+}
+
+- (NSNumber *)totalRequestTime{
+    return [self timeFromStartDate:self.requestStartDate
+                         toEndDate:self.requestEndDate];
+}
+
+- (NSNumber *)totalWaitTime{
+    return [self timeFromStartDate:self.requestEndDate
+                         toEndDate:self.responseStartDate];
+}
+
+- (NSNumber *)totalResponseTime{
+    return [self timeFromStartDate:self.responseStartDate
+                         toEndDate:self.responseEndDate];
+}
+
+- (NSNumber *)bytesSend{
+    int64_t totalBytes = [self totalBytes].integerValue;
+    int64_t senderBytes = self.countOfRequestBodyBytesSent + self.countOfRequestHeaderBytesSent;
+    int64_t bytes = MIN(totalBytes, senderBytes);
+    return @(bytes);
+}
+
+- (NSNumber *)timeFromStartDate:(NSDate *)startDate toEndDate:(NSDate *)endDate{
+    return [QNUtils dateDuration:startDate endDate:endDate];
+}
+
+- (NSNumber *)perceptiveSpeed {
+    int64_t size = self.bytesSend.longLongValue + _countOfResponseHeaderBytesReceived + _countOfResponseBodyBytesReceived;
+    if (size == 0 || self.totalElapsedTime == nil) {
+        return nil;
+    }
+    
+    return [QNUtils calculateSpeed:size totalTime:self.totalElapsedTime.longLongValue];
+}
+
+@end
+
+
+@interface QNUploadRegionRequestMetrics()
+
+@property (nonatomic, strong) id <QNUploadRegion> region;
+@property (nonatomic,   copy) NSMutableArray<QNUploadSingleRequestMetrics *> *metricsListInter;
+
+@end
+@implementation QNUploadRegionRequestMetrics
+
++ (instancetype)emptyMetrics{
+    QNUploadRegionRequestMetrics *metrics = [[QNUploadRegionRequestMetrics alloc] init];
+    return metrics;
+}
+
+- (instancetype)initWithRegion:(id<QNUploadRegion>)region{
+    if (self = [super init]) {
+        _region = region;
+        _metricsListInter = [NSMutableArray array];
+    }
+    return self;
+}
+
+- (QNUploadSingleRequestMetrics *)lastMetrics {
+    @synchronized (self) {
+        return self.metricsListInter.lastObject;
+    }
+}
+
+- (NSNumber *)requestCount{
+    if (self.metricsList) {
+        return @(self.metricsList.count);
+    } else {
+        return @(0);
+    }
+}
+
+- (NSNumber *)bytesSend{
+    if (self.metricsList) {
+        long long bytes = 0;
+        for (QNUploadSingleRequestMetrics *metrics in self.metricsList) {
+            bytes += metrics.bytesSend.longLongValue;
+        }
+        return @(bytes);
+    } else {
+        return @(0);
+    }
+}
+
+- (void)addMetricsList:(NSArray<QNUploadSingleRequestMetrics *> *)metricsList{
+    @synchronized (self) {
+        [_metricsListInter addObjectsFromArray:metricsList];
+    }
+}
+
+- (void)addMetrics:(QNUploadRegionRequestMetrics*)metrics{
+    if ([metrics.region.zoneInfo.regionId isEqualToString:self.region.zoneInfo.regionId]) {
+        @synchronized (self) {
+            [_metricsListInter addObjectsFromArray:metrics.metricsListInter];
+        }
+    }
+}
+
+- (NSArray<QNUploadSingleRequestMetrics *> *)metricsList{
+    @synchronized (self) {
+        return [_metricsListInter copy];
+    }
+}
+
+@end
+
+
+@interface QNUploadTaskMetrics()
+
+@property (nonatomic,   copy) NSString *upType;
+@property (nonatomic,   copy) NSMutableArray<NSString *> *metricsKeys;
+@property (nonatomic, strong) NSMutableDictionary<NSString *, QNUploadRegionRequestMetrics *> *metricsInfo;
+
+@end
+@implementation QNUploadTaskMetrics
+
++ (instancetype)emptyMetrics{
+    QNUploadTaskMetrics *metrics = [[QNUploadTaskMetrics alloc] init];
+    return metrics;
+}
+
++ (instancetype)taskMetrics:(NSString *)upType {
+    QNUploadTaskMetrics *metrics = [self emptyMetrics];
+    metrics.upType = upType;
+    return metrics;
+}
+
+- (instancetype)init{
+    if (self = [super init]) {
+        _metricsKeys = [NSMutableArray array];
+        _metricsInfo = [NSMutableDictionary dictionary];
+    }
+    return self;
+}
+
+- (QNUploadRegionRequestMetrics *)lastMetrics {
+    if (self.metricsKeys.count < 1) {
+        return nil;
+    }
+    
+    @synchronized (self) {
+        NSString *key = self.metricsKeys.lastObject;
+        if (key == nil) {
+            return nil;
+        }
+        return self.metricsInfo[key];
+    }
+}
+- (NSNumber *)totalElapsedTime{
+    NSDictionary *metricsInfo = [self syncCopyMetricsInfo];
+    if (metricsInfo) {
+        double time = 0;
+        for (QNUploadRegionRequestMetrics *metrics in metricsInfo.allValues) {
+            time += metrics.totalElapsedTime.doubleValue;
+        }
+        return time > 0 ? @(time) : nil;
+    } else {
+        return nil;
+    }
+}
+
+- (NSNumber *)requestCount{
+    NSDictionary *metricsInfo = [self syncCopyMetricsInfo];
+    if (metricsInfo) {
+        NSInteger count = 0;
+        for (QNUploadRegionRequestMetrics *metrics in metricsInfo.allValues) {
+            count += metrics.requestCount.integerValue;
+        }
+        return @(count);
+    } else {
+        return @(0);
+    }
+}
+
+- (NSNumber *)bytesSend{
+    NSDictionary *metricsInfo = [self syncCopyMetricsInfo];
+    if (metricsInfo) {
+        long long bytes = 0;
+        for (QNUploadRegionRequestMetrics *metrics in metricsInfo.allValues) {
+            bytes += metrics.bytesSend.longLongValue;
+        }
+        return @(bytes);
+    } else {
+        return @(0);
+    }
+}
+
+- (NSNumber *)regionCount{
+    NSDictionary *metricsInfo = [self syncCopyMetricsInfo];
+    if (metricsInfo) {
+        int count = 0;
+        for (QNUploadRegionRequestMetrics *metrics in metricsInfo.allValues) {
+            if (![metrics.region.zoneInfo.regionId isEqualToString:QNZoneInfoEmptyRegionId]) {
+                count += 1;
+            }
+        }
+        return @(count);
+    } else {
+        return @(0);
+    }
+}
+
+- (void)setUcQueryMetrics:(QNUploadRegionRequestMetrics *)ucQueryMetrics {
+    _ucQueryMetrics = ucQueryMetrics;
+    [self addMetrics:ucQueryMetrics];
+}
+
+- (void)addMetrics:(QNUploadRegionRequestMetrics *)metrics{
+    NSString *regionId = metrics.region.zoneInfo.regionId;
+    if (!regionId) {
+        return;
+    }
+    @synchronized (self) {
+        QNUploadRegionRequestMetrics *metricsOld = self.metricsInfo[regionId];
+        if (metricsOld) {
+            [metricsOld addMetrics:metrics];
+        } else {
+            [self.metricsKeys addObject:regionId];
+            self.metricsInfo[regionId] = metrics;
+        }
+    }
+}
+
+- (NSDictionary<NSString *, QNUploadRegionRequestMetrics *> *)syncCopyMetricsInfo {
+    @synchronized (self) {
+        return [_metricsInfo copy];
+    }
+}
+
+
+@end

Pods/Qiniu/QiniuSDK/Http/QNUploadRequestState.h

@@ -0,0 +1,25 @@
+//
+//  QNUploadRequestState.h
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/11/17.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUploadRequestState : NSObject
+
+// old server 不验证tls sni
+@property(nonatomic, assign)BOOL isUseOldServer;
+
+// 用户是否取消
+@property(nonatomic, assign)BOOL isUserCancel;
+
+- (instancetype)copy;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/QNUploadRequestState.m

@@ -0,0 +1,32 @@
+//
+//  QNUploadRequestState.m
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/11/17.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNIUploadServer.h"
+#import "QNUploadRequestState.h"
+
+@implementation QNUploadRequestState
+- (instancetype)init{
+    if (self = [super init]) {
+        [self initData];
+    }
+    return self;
+}
+
+- (void)initData{
+    _isUserCancel = NO;
+    _isUseOldServer = NO;
+}
+
+- (instancetype)copy {
+    QNUploadRequestState *state = [[QNUploadRequestState alloc] init];
+    state.isUserCancel = self.isUserCancel;
+    state.isUseOldServer = self.isUseOldServer;
+    return state;
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/QNUserAgent.h

@@ -0,0 +1,39 @@
+//
+//  QNUserAgent.h
+//  QiniuSDK
+//
+//  Created by bailong on 14-9-29.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+/**
+ *    UserAgent
+ *
+ */
+
+#define kQNUserAgent [QNUserAgent sharedInstance]
+@interface QNUserAgent : NSObject
+
+/**
+ *    用户id
+ */
+@property (copy, nonatomic, readonly) NSString *id;
+
+/**
+ *    UserAgent 字串
+ */
+- (NSString *)description;
+
+/**
+ *    UserAgent + AK 字串
+ *    @param access access信息
+ */
+- (NSString *)getUserAgent:(NSString *)access;
+
+/**
+ *  单例
+ */
++ (instancetype)sharedInstance;
+@end

Pods/Qiniu/QiniuSDK/Http/QNUserAgent.m

@@ -0,0 +1,91 @@
+//
+//  QNUserAgent.m
+//  QiniuSDK
+//
+//  Created by bailong on 14-9-29.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+#import <MobileCoreServices/MobileCoreServices.h>
+#import <UIKit/UIKit.h>
+#else
+#import <CoreServices/CoreServices.h>
+#endif
+
+#import "QNUserAgent.h"
+#import "QNUtils.h"
+
+static NSString *qn_clientId(void) {
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+    NSString *s = [[[UIDevice currentDevice] identifierForVendor] UUIDString];
+    if (s == nil) {
+        s = @"simulator";
+    }
+    return s;
+#else
+    long long now_timestamp = [[NSDate date] timeIntervalSince1970] * 1000;
+    int r = arc4random() % 1000;
+    return [NSString stringWithFormat:@"%lld%u", now_timestamp, r];
+#endif
+}
+
+static NSString *qn_userAgent(NSString *id, NSString *ak) {
+    NSString *addition = @"";
+#if DEBUG
+    addition = @"_Debug";
+#endif
+    
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+    return [NSString stringWithFormat:@"QiniuObject-C%@/%@ (%@; iOS %@; %@; %@)", addition, [QNUtils sdkVersion], [[UIDevice currentDevice] model], [[UIDevice currentDevice] systemVersion], id, ak];
+#else
+    return [NSString stringWithFormat:@"QiniuObject-C%@/%@ (Mac OS X %@; %@; %@)", addition, [QNUtils sdkVersion], [[NSProcessInfo processInfo] operatingSystemVersionString], id, ak];
+#endif
+}
+
+@interface QNUserAgent ()
+@property (nonatomic) NSString *ua;
+@end
+
+@implementation QNUserAgent
+
+- (NSString *)description {
+    return _ua;
+}
+
+- (instancetype)init {
+    if (self = [super init]) {
+        _id = qn_clientId();
+    }
+    return self;
+}
+
+/**
+ *  UserAgent
+ */
+- (NSString *)getUserAgent:(NSString *)access {
+    NSString *ak;
+    if (access == nil || access.length == 0) {
+        ak = @"-";
+    } else {
+        ak = access;
+    }
+    return qn_userAgent(_id, ak);
+}
+
+/**
+ *  单例
+ */
++ (instancetype)sharedInstance {
+    static QNUserAgent *sharedInstance = nil;
+
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        sharedInstance = [[self alloc] init];
+    });
+
+    return sharedInstance;
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/CFNetwork/NSURLRequest+QNRequest.h

@@ -0,0 +1,50 @@
+//
+//  NSURLRequest+QNRequest.h
+//  AppTest
+//
+//  Created by yangsen on 2020/4/8.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface NSURLRequest(QNRequest)
+
+/// 请求id【内部使用】
+/// 只有通过设置qn_domain才会有效
+@property(nonatomic, strong, nullable, readonly)NSString *qn_identifier;
+
+/// 请求domain【内部使用】
+/// 只有通过NSMutableURLRequest设置才会有效
+@property(nonatomic, strong, nullable, readonly)NSString *qn_domain;
+
+/// 请求ip【内部使用】
+/// 只有通过NSMutableURLRequest设置才会有效
+@property(nonatomic, strong, nullable, readonly)NSString *qn_ip;
+
+/// 请求头信息 去除七牛内部标记占位
+@property(nonatomic, strong, nullable, readonly)NSDictionary *qn_allHTTPHeaderFields;
+
++ (instancetype)qn_requestWithURL:(NSURL *)url;
+
+/// 获取请求体
+- (NSData *)qn_getHttpBody;
+
+- (BOOL)qn_isHttps;
+
+@end
+
+
+@interface NSMutableURLRequest(QNRequest)
+
+/// 请求domain【内部使用】
+@property(nonatomic, strong, nullable)NSString *qn_domain;
+/// 请求ip【内部使用】
+@property(nonatomic, strong, nullable)NSString *qn_ip;
+
+@end
+
+NS_ASSUME_NONNULL_END
+

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/CFNetwork/NSURLRequest+QNRequest.m

@@ -0,0 +1,123 @@
+//
+//  NSURLRequest+QNRequest.m
+//  AppTest
+//
+//  Created by yangsen on 2020/4/8.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import <objc/runtime.h>
+#import "NSURLRequest+QNRequest.h"
+
+
+@implementation NSURLRequest(QNRequest)
+
+#define kQNURLRequestHostKey @"Host"
+#define kQNURLRequestIPKey @"QNURLRequestIP"
+#define kQNURLRequestIdentifierKey @"QNURLRequestIdentifier"
+
+- (NSString *)qn_identifier{
+    return self.allHTTPHeaderFields[kQNURLRequestIdentifierKey];
+}
+
+- (NSString *)qn_domain{
+    NSString *host = self.allHTTPHeaderFields[kQNURLRequestHostKey];
+    if (host == nil) {
+        host = self.URL.host;
+    }
+    return host;
+}
+
+- (NSString *)qn_ip{
+    return self.allHTTPHeaderFields[kQNURLRequestIPKey];
+}
+
+- (NSDictionary *)qn_allHTTPHeaderFields{
+    NSDictionary *headerFields = [self.allHTTPHeaderFields copy];
+    NSMutableDictionary *headerFieldsNew = [NSMutableDictionary dictionary];
+    for (NSString *key in headerFields) {
+        if (![key isEqualToString:kQNURLRequestIdentifierKey]) {
+            [headerFieldsNew setObject:headerFields[key] forKey:key];
+        }
+    }
+    return [headerFieldsNew copy];
+}
+
++ (instancetype)qn_requestWithURL:(NSURL *)url{
+    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
+    [request setValue:url.host forHTTPHeaderField:kQNURLRequestHostKey];
+    return request;
+}
+
+
+- (NSData *)qn_getHttpBody{
+    
+    if (self.HTTPBody ||
+        (![self.HTTPMethod isEqualToString:@"POST"] && ![self.HTTPMethod isEqualToString:@"PUT"])) {
+        return self.HTTPBody;
+    }
+    
+    NSInteger maxLength = 1024;
+    uint8_t d[maxLength];
+    
+    NSInputStream *stream = self.HTTPBodyStream;
+    NSMutableData *data = [NSMutableData data];
+    
+    [stream open];
+    
+    BOOL end = NO;
+    
+    while (!end) {
+        NSInteger bytesRead = [stream read:d maxLength:maxLength];
+        if (bytesRead == 0) {
+            end = YES;
+        } else if (bytesRead == -1){
+            end = YES;
+        } else if (stream.streamError == nil){
+            [data appendBytes:(void *)d length:bytesRead];
+       }
+    }
+    [stream close];
+    return [data copy];
+}
+
+- (BOOL)qn_isHttps{
+    if ([self.URL.absoluteString rangeOfString:@"https://"].location != NSNotFound) {
+        return YES;
+    } else {
+        return NO;
+    }
+}
+@end
+
+
+@implementation NSMutableURLRequest(QNRequest)
+
+- (void)setQn_domain:(NSString *)qn_domain{
+    if (qn_domain) {
+        [self addValue:qn_domain forHTTPHeaderField:kQNURLRequestHostKey];
+    } else {
+        [self setValue:nil forHTTPHeaderField:kQNURLRequestHostKey];
+    }
+
+    NSString *identifier = [NSString stringWithFormat:@"%p-%@", &self, qn_domain];
+    [self setQn_identifier:identifier];
+}
+
+- (void)setQn_ip:(NSString *)qn_ip{
+    if (qn_ip) {
+        [self addValue:qn_ip forHTTPHeaderField:kQNURLRequestIPKey];
+    } else {
+        [self setValue:nil forHTTPHeaderField:kQNURLRequestIPKey];
+    }
+}
+
+- (void)setQn_identifier:(NSString *)qn_identifier{
+    if (qn_identifier) {
+        [self addValue:qn_identifier forHTTPHeaderField:kQNURLRequestIdentifierKey];
+    } else {
+        [self setValue:nil forHTTPHeaderField:kQNURLRequestIdentifierKey];
+    }
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/CFNetwork/QNCFHttpClient.h

@@ -0,0 +1,17 @@
+//
+//  QNCFHttpClient.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/10/11.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNRequestClient.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNCFHttpClient : NSObject <QNRequestClient>
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/CFNetwork/QNCFHttpClient.m

@@ -0,0 +1,160 @@
+//
+//  QNCFHttpClient.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/10/11.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNAsyncRun.h"
+#import "QNCFHttpClient.h"
+#import "QNCFHttpClientInner.h"
+#import "NSURLRequest+QNRequest.h"
+#import "QNUploadRequestMetrics.h"
+#import "QNCFHttpThreadPool.h"
+
+@interface QNCFHttpClient() <QNCFHttpClientInnerDelegate>
+
+@property(nonatomic, assign)BOOL hasCallBack;
+@property(nonatomic, assign)NSInteger redirectCount;
+@property(nonatomic, assign)NSInteger maxRedirectCount;
+
+@property(nonatomic, strong)NSURLRequest *request;
+@property(nonatomic, strong)NSURLResponse *response;
+@property(nonatomic, strong)NSDictionary *connectionProxy;
+@property(nonatomic, strong)QNUploadSingleRequestMetrics *requestMetrics;
+@property(nonatomic, strong)NSMutableData *responseData;
+@property(nonatomic,  copy)void(^progress)(long long totalBytesWritten, long long totalBytesExpectedToWrite);
+@property(nonatomic,  copy)QNRequestClientCompleteHandler complete;
+
+@property(nonatomic, strong)QNCFHttpClientInner *httpClient;
+@property(nonatomic, strong)QNCFHttpThread *thread;
+
+@end
+@implementation QNCFHttpClient
+
+- (NSString *)clientId {
+    return @"CFNetwork";
+}
+
+- (instancetype)init {
+    if (self = [super init]) {
+        self.redirectCount = 0;
+        self.maxRedirectCount = 15;
+        self.hasCallBack = false;
+    }
+    return self;
+}
+
+- (void)request:(NSURLRequest *)request
+         server:(id <QNUploadServer>)server
+connectionProxy:(NSDictionary *)connectionProxy
+       progress:(void (^)(long long, long long))progress
+       complete:(QNRequestClientCompleteHandler)complete {
+    
+    self.thread = [[QNCFHttpThreadPool shared] getOneThread];
+    // 有 ip 才会使用
+    if (server && server.ip.length > 0 && server.host.length > 0) {
+        NSString *urlString = request.URL.absoluteString;
+        urlString = [urlString stringByReplacingOccurrencesOfString:server.host withString:server.ip];
+        NSMutableURLRequest *requestNew = [request mutableCopy];
+        requestNew.URL = [NSURL URLWithString:urlString];
+        requestNew.qn_domain = server.host;
+        self.request = [requestNew copy];
+    } else {
+        self.request = request;
+    }
+    
+    self.connectionProxy = connectionProxy;
+    self.progress = progress;
+    self.complete = complete;
+    self.requestMetrics = [QNUploadSingleRequestMetrics emptyMetrics];
+    self.requestMetrics.request = self.request;
+    self.requestMetrics.remoteAddress = self.request.qn_ip;
+    self.requestMetrics.remotePort = self.request.qn_isHttps ? @443 : @80;
+    [self.requestMetrics start];
+    
+    self.responseData = [NSMutableData data];
+    self.httpClient = [QNCFHttpClientInner client:self.request connectionProxy:connectionProxy];
+    self.httpClient.delegate = self;
+    [self.httpClient performSelector:@selector(main)
+                            onThread:self.thread
+                          withObject:nil
+                       waitUntilDone:NO];
+}
+
+- (void)cancel {
+    if (self.thread) {
+        return;
+    }
+    
+    [self.httpClient performSelector:@selector(cancel)
+                            onThread:self.thread
+                          withObject:nil
+                       waitUntilDone:NO];
+}
+
+- (void)completeAction:(NSError *)error {
+    @synchronized (self) {
+        if (self.hasCallBack) {
+            return;
+        }
+        self.hasCallBack = true;
+    }
+    self.requestMetrics.response = self.response;
+    [self.requestMetrics end];
+    if (self.complete) {
+        self.complete(self.response, self.requestMetrics, self.responseData, error);
+    }
+    [[QNCFHttpThreadPool shared] subtractOperationCountOfThread:self.thread];
+}
+
+//MARK: -- delegate
+- (void)didSendBodyData:(int64_t)bytesSent
+         totalBytesSent:(int64_t)totalBytesSent
+totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend{
+    self.requestMetrics.countOfRequestBodyBytesSent = totalBytesSent;
+    if (self.progress) {
+        self.progress(totalBytesSent, totalBytesExpectedToSend);
+    }
+}
+
+- (void)didFinish {
+    self.requestMetrics.responseEndDate = [NSDate date];
+    [self completeAction:nil];
+}
+
+- (void)didLoadData:(nonnull NSData *)data {
+    [self.responseData appendData:data];
+}
+
+- (void)onError:(nonnull NSError *)error {
+    [self completeAction:error];
+}
+
+- (void)onReceiveResponse:(NSURLResponse *)response httpVersion:(NSString *)httpVersion{
+    self.requestMetrics.responseStartDate = [NSDate date];
+    if ([httpVersion isEqualToString:@"http/1.0"]) {
+        self.requestMetrics.httpVersion = @"1.0";
+    } else if ([httpVersion isEqualToString:@"http/1.1"]) {
+        self.requestMetrics.httpVersion = @"1.1";
+    } else if ([httpVersion isEqualToString:@"h2"]) {
+        self.requestMetrics.httpVersion = @"2";
+    } else if ([httpVersion isEqualToString:@"h3"]) {
+        self.requestMetrics.httpVersion = @"3";
+    } else {
+        self.requestMetrics.httpVersion = httpVersion;
+    }
+    self.response = response;
+}
+
+- (void)redirectedToRequest:(nonnull NSURLRequest *)request redirectResponse:(nonnull NSURLResponse *)redirectResponse {
+    if (self.redirectCount < self.maxRedirectCount) {
+        self.redirectCount += 1;
+        [self request:request server:nil connectionProxy:self.connectionProxy progress:self.progress complete:self.complete];
+    } else {
+        [self didFinish];
+    }
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/CFNetwork/QNCFHttpClientInner.h

@@ -0,0 +1,43 @@
+//
+//  QNHttpClient.h
+//  AppTest
+//
+//  Created by yangsen on 2020/4/7.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol QNCFHttpClientInnerDelegate <NSObject>
+
+- (void)redirectedToRequest:(NSURLRequest *)request
+           redirectResponse:(NSURLResponse *)redirectResponse;
+
+- (void)onError:(NSError *)error;
+
+- (void)didSendBodyData:(int64_t)bytesSent
+         totalBytesSent:(int64_t)totalBytesSent
+totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend;
+
+- (void)onReceiveResponse:(NSURLResponse *)response httpVersion:(NSString *)httpVersion;
+
+- (void)didLoadData:(NSData *)data;
+
+- (void)didFinish;
+
+@end
+
+@interface QNCFHttpClientInner : NSOperation
+
+@property(nonatomic, strong, readonly)NSMutableURLRequest *request;
+@property(nonatomic, strong, readonly)NSDictionary *connectionProxy;
+
+@property(nonatomic, weak)id <QNCFHttpClientInnerDelegate> delegate;
+
++ (instancetype)client:(NSURLRequest *)request connectionProxy:(NSDictionary *)connectionProxy;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/CFNetwork/QNCFHttpClientInner.m

@@ -0,0 +1,864 @@
+//
+//  QNHttpClient.m
+//  AppTest
+//
+//  Created by yangsen on 2020/4/7.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import "QNErrorCode.h"
+#import "QNDefine.h"
+#import "QNCFHttpClientInner.h"
+#import "NSURLRequest+QNRequest.h"
+#import <sys/errno.h>
+
+#define kQNCFHttpClientErrorDomain @"CFNetwork"
+
+@interface QNCFHttpClientInner()<NSStreamDelegate>
+
+@property(nonatomic, assign)BOOL isCallFinishOrError;
+@property(nonatomic, assign)BOOL isCompleted;
+@property(nonatomic, strong)NSMutableURLRequest *request;
+@property(nonatomic, strong)NSDictionary *connectionProxy;
+@property(nonatomic, assign)BOOL isReadResponseHeader;
+@property(nonatomic, assign)BOOL isReadResponseBody;
+@property(nonatomic, assign)BOOL isInputStreamEvaluated;
+@property(nonatomic, strong)NSInputStream *inputStream;
+
+// 上传进度
+@property(nonatomic, strong)NSTimer *progressTimer; // 进度定时器
+@property(nonatomic, assign)int64_t totalBytesSent; // 已上传大小
+@property(nonatomic, assign)int64_t totalBytesExpectedToSend; // 总大小
+
+@end
+@implementation QNCFHttpClientInner
+
++ (instancetype)client:(NSURLRequest *)request connectionProxy:(nonnull NSDictionary *)connectionProxy{
+    if (!request) {
+        return nil;
+    }
+    QNCFHttpClientInner *client = [[QNCFHttpClientInner alloc] init];
+    client.connectionProxy = connectionProxy;
+    client.request = [request mutableCopy];
+    client.isCompleted = false;
+    return client;
+}
+
+- (void)main {
+    [self prepare];
+    [self openInputStream];
+    [self startProgress];
+}
+
+- (void)prepare {
+    @autoreleasepool {
+        self.inputStream = [self createInputStream:self.request];
+    }
+    
+    NSString *host = [self.request qn_domain];
+    if ([self.request qn_isHttps]) {
+       [self setInputStreamSNI:self.inputStream sni:host];
+    }
+    
+    [self setupProgress];
+}
+
+- (void)releaseResource{
+    [self endProgress:YES];
+    [self closeInputStream];
+}
+
+- (void)cancel {
+    [self releaseResource];
+    [self delegate_onError:[self createError:NSURLErrorCancelled errorDescription:@"user cancel"]];
+}
+
+//MARK: -- request -> stream
+- (NSInputStream *)createInputStream:(NSURLRequest *)urlRequest{
+
+    CFReadStreamRef readStream = NULL;
+    @autoreleasepool {
+        CFStringRef urlString = (__bridge CFStringRef) [urlRequest.URL absoluteString];
+        CFURLRef url = CFURLCreateWithString(kCFAllocatorDefault,
+                                             urlString,
+                                             NULL);
+        CFStringRef httpMethod = (__bridge CFStringRef) urlRequest.HTTPMethod;
+        CFHTTPMessageRef request = CFHTTPMessageCreateRequest(kCFAllocatorDefault,
+                                                              httpMethod,
+                                                              url,
+                                                              kCFHTTPVersion1_1);
+        CFRelease(url);
+
+        NSDictionary *headFieldInfo = self.request.qn_allHTTPHeaderFields;
+        for (NSString *headerField in headFieldInfo) {
+            CFStringRef headerFieldP = (__bridge CFStringRef)headerField;
+            CFStringRef headerFieldValueP = (__bridge CFStringRef)(headFieldInfo[headerField]);
+            CFHTTPMessageSetHeaderFieldValue(request, headerFieldP, headerFieldValueP);
+        }
+        
+        NSData *httpBody = [self.request qn_getHttpBody];
+        if (httpBody) {
+            CFDataRef bodyData = (__bridge CFDataRef) httpBody;
+            CFHTTPMessageSetBody(request, bodyData);
+        }
+        
+        readStream = CFReadStreamCreateForHTTPRequest(kCFAllocatorDefault, request);
+        CFRelease(request);
+    }
+    
+    @autoreleasepool {
+        if (self.connectionProxy) {
+            for (NSString *key in self.connectionProxy.allKeys) {
+                NSObject *value = self.connectionProxy[key];
+                if (key.length > 0) {
+                    CFReadStreamSetProperty(readStream, (__bridge CFTypeRef _Null_unspecified)key, (__bridge CFTypeRef _Null_unspecified)(value));
+                }
+            }
+        }
+    }
+    return (__bridge_transfer NSInputStream *) readStream;
+}
+
+- (void)setInputStreamSNI:(NSInputStream *)inputStream sni:(NSString *)sni{
+    if (!sni || sni.length == 0) {
+        return;
+    }
+    NSMutableDictionary *settings = [NSMutableDictionary dictionary];
+    [settings setObject:NSStreamSocketSecurityLevelNegotiatedSSL
+                 forKey:NSStreamSocketSecurityLevelKey];
+    [settings setObject:sni
+                 forKey:(NSString *)kCFStreamSSLPeerName];
+    [inputStream setProperty:settings forKey:(NSString *)CFBridgingRelease(kCFStreamPropertySSLSettings)];
+}
+
+
+//MARK: -- stream action
+- (void)openInputStream{
+    [self.inputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
+    self.inputStream.delegate = self;
+    [self.inputStream open];
+}
+
+- (void)closeInputStream {
+    @synchronized (self) {
+        if (self.inputStream) {
+            [self.inputStream close];
+            [self.inputStream setDelegate:nil];
+            [self.inputStream removeFromRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
+            self.inputStream = nil;
+        }
+    }
+}
+
+- (BOOL)shouldEvaluateInputStreamServerTrust{
+    if (![self.request qn_isHttps] || self.isInputStreamEvaluated) {
+        return NO;
+    } else {
+        return YES;
+    }
+}
+
+- (void)inputStreamGetAndNotifyHttpResponse{
+    @synchronized (self) {
+        if (self.isReadResponseHeader) {
+            return;
+        }
+        self.isReadResponseHeader = YES;
+    }
+    
+
+    CFReadStreamRef readStream = (__bridge CFReadStreamRef)self.inputStream;
+    CFHTTPMessageRef httpMessage = (CFHTTPMessageRef)CFReadStreamCopyProperty(readStream, kCFStreamPropertyHTTPResponseHeader);
+    
+    CFDictionaryRef headerFields = CFHTTPMessageCopyAllHeaderFields(httpMessage);
+    NSDictionary *headInfo = (__bridge_transfer NSDictionary *)headerFields;
+    
+    CFStringRef httpVersion = CFHTTPMessageCopyVersion(httpMessage);
+    NSString *httpVersionInfo = (__bridge_transfer NSString *)httpVersion;
+    
+    CFIndex statusCode = CFHTTPMessageGetResponseStatusCode(httpMessage);
+    
+    if (![self isHttpRedirectStatusCode:statusCode]) {
+        NSHTTPURLResponse *response = [[NSHTTPURLResponse alloc] initWithURL:self.request.URL statusCode:statusCode HTTPVersion:httpVersionInfo headerFields:headInfo];
+        [self delegate_onReceiveResponse:response httpVersion:httpVersionInfo];
+    }
+    
+    CFRelease(httpMessage);
+}
+
+- (void)inputStreamGetAndNotifyHttpData{
+    @synchronized (self) {
+        if (self.isReadResponseBody) {
+            return;
+        }
+        self.isReadResponseBody = YES;
+    }
+    
+    UInt8 buffer[16 * 1024];
+    UInt8 *buf = NULL;
+    NSUInteger length = 0;
+    
+    if (![self.inputStream getBuffer:&buf length:&length]) {
+        NSInteger amount = [self.inputStream read:buffer maxLength:sizeof(buffer)];
+        buf = buffer;
+        length = amount;
+    }
+    
+    NSData *data = [[NSData alloc] initWithBytes:buf length:length];
+    [self delegate_didLoadData:data];
+}
+
+- (BOOL)isInputStreamHttpResponseHeaderComplete{
+    CFReadStreamRef readStream = (__bridge CFReadStreamRef)self.inputStream;
+    CFHTTPMessageRef responseMessage = (CFHTTPMessageRef)CFReadStreamCopyProperty(readStream, kCFStreamPropertyHTTPResponseHeader);
+    BOOL isComplete = CFHTTPMessageIsHeaderComplete(responseMessage);
+    CFRelease(responseMessage);
+    return isComplete;
+}
+
+- (BOOL)shouldInputStreamRedirect{
+    CFReadStreamRef readStream = (__bridge CFReadStreamRef)self.inputStream;
+    CFHTTPMessageRef responseMessage = (CFHTTPMessageRef)CFReadStreamCopyProperty(readStream, kCFStreamPropertyHTTPResponseHeader);
+    CFIndex statusCode = CFHTTPMessageGetResponseStatusCode(responseMessage);
+    CFRelease(responseMessage);
+    return [self isHttpRedirectStatusCode:statusCode];
+}
+
+- (BOOL)isHttpRedirectStatusCode:(NSInteger)code{
+    if (code == 301 || code == 302 || code == 303 || code == 307) {
+        return YES;
+    } else {
+        return NO;
+    }
+}
+
+- (void)inputStreamRedirect{
+    CFReadStreamRef readStream = (__bridge CFReadStreamRef)self.inputStream;
+    CFHTTPMessageRef responseMessage = (CFHTTPMessageRef)CFReadStreamCopyProperty(readStream, kCFStreamPropertyHTTPResponseHeader);
+    
+    CFDictionaryRef headerFields = CFHTTPMessageCopyAllHeaderFields(responseMessage);
+    NSDictionary *headInfo = (__bridge_transfer NSDictionary *)headerFields;
+    
+    NSString *urlString = headInfo[@"Location"];
+    if (!urlString) {
+        urlString = headInfo[@"location"];
+    }
+    if (!urlString) {
+        return;
+    }
+    
+    CFStringRef httpVersion = CFHTTPMessageCopyVersion(responseMessage);
+    NSString *httpVersionString = (__bridge_transfer NSString *)httpVersion;
+    
+    CFIndex statusCode = CFHTTPMessageGetResponseStatusCode(responseMessage);
+    
+    NSDictionary *requestHeader = self.request.allHTTPHeaderFields;
+    if (statusCode == 303) {
+        NSMutableDictionary *header = [NSMutableDictionary dictionary];
+        if (requestHeader[@"User-Agent"]) {
+            header[@"User-Agent"] = requestHeader[@"User-Agent"];
+        }
+        if (requestHeader[@"Accept"]) {
+            header[@"Accept"] = requestHeader[@"Accept"];
+        }
+        requestHeader = [header copy];
+    }
+    
+    NSURL *url = [NSURL URLWithString:urlString];
+    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
+    request.HTTPMethod = @"GET";
+    [request setAllHTTPHeaderFields:requestHeader];
+    NSURLResponse *response = [[NSHTTPURLResponse alloc] initWithURL:self.request.URL
+                                                          statusCode:statusCode
+                                                         HTTPVersion:httpVersionString
+                                                        headerFields:headInfo];
+    
+    [self releaseResource];
+    [self delegate_redirectedToRequest:request redirectResponse:response];
+    
+    CFRelease(responseMessage);
+}
+
+//MARK: -- NSStreamDelegate
+- (void)stream:(NSStream *)aStream handleEvent:(NSStreamEvent)eventCode{
+    @autoreleasepool {
+        switch (eventCode) {
+            case NSStreamEventHasBytesAvailable:{
+                if (![self isInputStreamHttpResponseHeaderComplete]) {
+                    break;
+                }
+                
+                [self inputStreamGetAndNotifyHttpResponse];
+                [self inputStreamGetAndNotifyHttpData];
+            }
+                break;
+            case NSStreamEventHasSpaceAvailable:
+                break;
+            case NSStreamEventErrorOccurred:{
+                [self releaseResource];
+                [self endProgress: YES];
+                [self delegate_onError:[self translateCFNetworkErrorIntoUrlError:[aStream streamError]]];
+            }
+                break;
+            case NSStreamEventEndEncountered:{
+                if ([self shouldInputStreamRedirect]) {
+                    [self inputStreamRedirect];
+                } else {
+                    
+                    [self inputStreamGetAndNotifyHttpResponse];
+                    [self inputStreamGetAndNotifyHttpData];
+                    
+                    [self releaseResource];
+                    [self endProgress: NO];
+                    [self delegate_didFinish];
+                }
+            }
+                break;
+            default:
+                break;
+        }
+    }
+}
+
+//MARK: -- progress and timer action
+- (void)setupProgress{
+    self.totalBytesExpectedToSend = [self.request.qn_getHttpBody length];
+}
+
+- (void)startProgress{
+    [self createTimer];
+}
+
+- (void)endProgress:(BOOL)hasError{
+    
+    [self invalidateTimer];
+    
+    if (!hasError) {
+        [self delegate_didSendBodyData:self.totalBytesExpectedToSend - self.totalBytesSent
+                        totalBytesSent:self.totalBytesExpectedToSend
+              totalBytesExpectedToSend:self.totalBytesExpectedToSend];
+    }
+}
+
+- (void)createTimer{
+    
+    if (_progressTimer) {
+        [self invalidateTimer];
+    }
+    
+    kQNWeakSelf;
+    NSTimer *timer = [NSTimer timerWithTimeInterval:0.3
+                                             target:weak_self
+                                           selector:@selector(timerAction)
+                                           userInfo:nil
+                                            repeats:YES];
+    [[NSRunLoop currentRunLoop] addTimer:timer forMode:NSDefaultRunLoopMode];
+    
+    [self timerAction];
+    _progressTimer = timer;
+}
+
+- (void)invalidateTimer{
+    [self.progressTimer invalidate];
+    self.progressTimer = nil;
+}
+
+- (void)timerAction{
+    long long totalBytesSent = [(NSNumber *)CFBridgingRelease(CFReadStreamCopyProperty((CFReadStreamRef)[self inputStream], kCFStreamPropertyHTTPRequestBytesWrittenCount)) longLongValue];
+    long long bytesSent = totalBytesSent - self.totalBytesSent;
+    self.totalBytesSent = totalBytesSent;
+    if (bytesSent > 0 && self.totalBytesSent <= self.totalBytesSent) {
+        [self delegate_didSendBodyData:bytesSent
+                        totalBytesSent:self.totalBytesSent
+              totalBytesExpectedToSend:self.totalBytesExpectedToSend];
+    }
+}
+
+- (NSError *)translateCFNetworkErrorIntoUrlError:(NSError *)cfError{
+    if (cfError == nil) {
+        return nil;
+    }
+    
+    NSInteger errorCode = kQNNetworkError;
+    NSString *errorInfo = [NSString stringWithFormat:@"cf client:[%ld] %@", (long)cfError.code, cfError.localizedDescription];
+    switch (cfError.code) {
+        case ENOENT: /* No such file or directory */
+            errorCode = NSFileNoSuchFileError;
+            break;
+        case EIO: /* Input/output error */
+            errorCode = kQNLocalIOError;
+            break;
+        case E2BIG: /* Argument list too long */
+            break;
+        case ENOEXEC: /* Exec format error */
+            errorCode = kQNLocalIOError;
+            break;
+        case EBADF: /* Bad file descriptor */
+            errorCode = kQNLocalIOError;
+            break;
+        case ECHILD: /* No child processes */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EDEADLK: /* Resource deadlock avoided */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ENOMEM: /* Cannot allocate memory */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EACCES: /* Permission denied */
+            errorCode = NSURLErrorNoPermissionsToReadFile;
+            break;
+        case EFAULT: /* Bad address */
+            errorCode = NSURLErrorBadURL;
+            break;
+        case EBUSY: /* Device / Resource busy */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EEXIST: /* File exists */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ENODEV: /* Operation not supported by device */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EISDIR: /* Is a directory */
+            errorCode = NSURLErrorFileIsDirectory;
+            break;
+        case ENOTDIR: /* Not a directory */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EINVAL: /* Invalid argument */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ENFILE: /* Too many open files in system */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EMFILE: /* Too many open files */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EFBIG: /* File too large */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ENOSPC: /* No space left on device */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ESPIPE: /* Illegal seek */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EMLINK: /* Too many links */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EPIPE: /* Broken pipe */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EDOM: /* Numerical argument out of domain */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ERANGE: /* Result too large */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EAGAIN: /* Resource temporarily unavailable */
+            break;
+        case ENOTSOCK: /* Socket operation on non-socket */
+            break;
+        case EDESTADDRREQ: /* Destination address required */
+            errorCode = NSURLErrorBadURL;
+            break;
+        case EMSGSIZE: /* Message too long */
+            break;
+        case EPROTOTYPE: /* Protocol wrong type for socket */
+            break;
+        case ENOPROTOOPT: /* Protocol not available */
+            break;
+        case EPROTONOSUPPORT: /* Protocol not supported */
+            break;
+        case ENOTSUP: /* Operation not supported */
+            break;
+        case EPFNOSUPPORT: /* Protocol family not supported */
+            break;
+        case EAFNOSUPPORT: /* Address family not supported by protocol family */
+            break;
+        case EADDRINUSE: /* Address already in use */
+            break;
+        case EADDRNOTAVAIL: /* Can't assign requested address */
+            break;
+        case ENETDOWN: /* Network is down */
+            errorCode = NSURLErrorCannotConnectToHost;
+            break;
+        case ENETUNREACH: /* Network is unreachable */
+            errorCode = NSURLErrorNetworkConnectionLost;
+            break;
+        case ENETRESET: /* Network dropped connection on reset */
+            errorCode = NSURLErrorNetworkConnectionLost;
+            break;
+        case ECONNABORTED: /* Software caused connection abort */
+            errorCode = NSURLErrorNetworkConnectionLost;
+            break;
+        case ECONNRESET: /* Connection reset by peer */
+            errorCode = NSURLErrorNetworkConnectionLost;
+            break;
+        case ENOBUFS: /* No buffer space available */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EISCONN: /* Socket is already connected */
+            break;
+        case ENOTCONN: /* Socket is not connected */
+            errorCode = NSURLErrorCannotConnectToHost;
+            break;
+        case ESHUTDOWN: /* Can't send after socket shutdown */
+            break;
+        case ETOOMANYREFS: /* Too many references: can't splice */
+            break;
+        case ETIMEDOUT: /* Operation timed out */
+            errorCode = NSURLErrorTimedOut;
+            break;
+        case ECONNREFUSED: /* Connection refused */
+            errorCode = NSURLErrorCannotConnectToHost;
+            break;
+        case ELOOP: /* Too many levels of symbolic links */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ENAMETOOLONG: /* File name too long */
+            break;
+        case EHOSTDOWN: /* Host is down */
+            break;
+        case EHOSTUNREACH: /* No route to host */
+            break;
+        case ENOTEMPTY: /* Directory not empty */
+            break;
+        case EPROCLIM: /* Too many processes */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EUSERS: /* Too many users */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EDQUOT: /* Disc quota exceeded */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ESTALE: /* Stale NFS file handle */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EREMOTE: /* Too many levels of remote in path */
+            break;
+        case EBADRPC: /* RPC struct is bad */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ERPCMISMATCH: /* RPC version wrong */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EPROGUNAVAIL: /* RPC prog. not avail */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EPROGMISMATCH: /* Program version wrong */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EPROCUNAVAIL: /* Bad procedure for program */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ENOLCK: /* No locks available */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ENOSYS: /* Function not implemented */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EFTYPE: /* Inappropriate file type or format */
+            break;
+        case EAUTH: /* Authentication error */
+            break;
+        case ENEEDAUTH: /* Need authenticator */
+            break;
+        case EPWROFF: /* Device power is off */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EDEVERR: /* Device error, e.g. paper out */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EOVERFLOW: /* Value too large to be stored in data type */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EBADEXEC: /* Bad executable */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EBADARCH: /* Bad CPU type in executable */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ESHLIBVERS: /* Shared library version mismatch */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EBADMACHO: /* Malformed Macho file */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case ECANCELED: /* Operation canceled */
+            errorCode = NSURLErrorCancelled;
+            break;
+        case EIDRM: /* Identifier removed */
+            break;
+        case ENOMSG: /* No message of desired type */
+            break;
+        case EILSEQ: /* Illegal byte sequence */
+            break;
+        case ENOATTR: /* Attribute not found */
+            break;
+        case EBADMSG: /* Bad message */
+            break;
+        case EMULTIHOP: /* Reserved */
+            break;
+        case ENODATA: /* No message available on STREAM */
+            break;
+        case ENOLINK: /* Reserved */
+            break;
+        case ENOSR: /* No STREAM resources */
+            break;
+        case ENOSTR: /* Not a STREAM */
+            break;
+        case EPROTO: /* Protocol error */
+            break;
+        case ETIME: /* STREAM ioctl timeout */
+            errorCode = NSURLErrorTimedOut;
+            break;
+        case EOPNOTSUPP: /* Operation not supported on socket */
+            break;
+        case ENOPOLICY: /* No such policy registered */
+            break;
+        case ENOTRECOVERABLE: /* State not recoverable */
+            break;
+        case EOWNERDEAD: /* Previous owner died */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case EQFULL: /* Interface output queue is full */
+            break;
+        case -9800:    /* SSL protocol error */
+            errorCode = NSURLErrorSecureConnectionFailed;
+            break;
+        case -9801:    /* Cipher Suite negotiation failure */
+            errorCode = NSURLErrorSecureConnectionFailed;
+            break;
+        case -9802:    /* Fatal alert */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case -9803:    /* I/O would block (not fatal) */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case -9804:    /* attempt to restore an unknown session */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case -9805:    /* connection closed gracefully */
+            errorCode = NSURLErrorNetworkConnectionLost;
+            break;
+        case -9806:    /* connection closed via error */
+            errorCode = NSURLErrorNetworkConnectionLost;
+            break;
+        case -9807:    /* invalid certificate chain */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9808:    /* bad certificate format */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9809:    /* underlying cryptographic error */
+            errorCode = NSURLErrorSecureConnectionFailed;
+            break;
+        case -9810:    /* Internal error */
+            errorCode = NSURLErrorNotConnectedToInternet;
+            break;
+        case -9811:    /* module attach failure */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case -9812:    /* valid cert chain, untrusted root */
+            errorCode = NSURLErrorServerCertificateHasUnknownRoot;
+            break;
+        case -9813:    /* cert chain not verified by root */
+            errorCode = NSURLErrorServerCertificateHasUnknownRoot;
+            break;
+        case -9814:    /* chain had an expired cert */
+            errorCode = NSURLErrorServerCertificateHasBadDate;
+            break;
+        case -9815:    /* chain had a cert not yet valid */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9816:    /* server closed session with no notification */
+            errorCode = NSURLErrorNetworkConnectionLost;
+            break;
+        case -9817:    /* insufficient buffer provided */
+            errorCode = NSURLErrorCannotDecodeRawData;
+            break;
+        case -9818:    /* bad SSLCipherSuite */
+            errorCode = NSURLErrorClientCertificateRejected;
+            break;
+        case -9819:    /* unexpected message received */
+            errorCode = NSURLErrorNotConnectedToInternet;
+            break;
+        case -9820:    /* bad MAC */
+            errorCode = NSURLErrorNotConnectedToInternet;
+            break;
+        case -9821:    /* decryption failed */
+            errorCode = NSURLErrorNotConnectedToInternet;
+            break;
+        case -9822:    /* record overflow */
+            errorCode = NSURLErrorDataLengthExceedsMaximum;
+            break;
+        case -9823:    /* decompression failure */
+            errorCode = NSURLErrorDownloadDecodingFailedMidStream;
+            break;
+        case -9824:    /* handshake failure */
+            errorCode = NSURLErrorClientCertificateRejected;
+            break;
+        case -9825:    /* misc. bad certificate */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9826:    /* bad unsupported cert format */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9827:    /* certificate revoked */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9828:    /* certificate expired */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9829:    /* unknown certificate */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9830:    /* illegal parameter */
+            errorCode = NSURLErrorCannotDecodeRawData;
+            break;
+        case -9831:    /* unknown Cert Authority */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9832:    /* access denied */
+            errorCode = NSURLErrorClientCertificateRejected;
+            break;
+        case -9833:    /* decoding error */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9834:    /* decryption error */
+            errorCode = NSURLErrorCannotDecodeRawData;
+            break;
+        case -9835:    /* export restriction */
+            errorCode = NSURLErrorCannotConnectToHost;
+            break;
+        case -9836:    /* bad protocol version */
+            errorCode = NSURLErrorCannotConnectToHost;
+            break;
+        case -9837:    /* insufficient security */
+            errorCode = NSURLErrorClientCertificateRejected;
+            break;
+        case -9838:    /* internal error */
+            errorCode = NSURLErrorTimedOut;
+            break;
+        case -9839:    /* user canceled */
+            errorCode = NSURLErrorCancelled;
+            break;
+        case -9840:    /* no renegotiation allowed */
+            errorCode = NSURLErrorCannotConnectToHost;
+            break;
+        case -9841:    /* peer cert is valid, or was ignored if verification disabled */
+            errorCode = NSURLErrorServerCertificateNotYetValid;
+            break;
+        case -9842:    /* server has requested a client cert */
+            errorCode = NSURLErrorClientCertificateRejected;
+            break;
+        case -9843:    /* peer host name mismatch */
+            errorCode = NSURLErrorNotConnectedToInternet;
+            break;
+        case -9844:    /* peer dropped connection before responding */
+            errorCode = NSURLErrorNetworkConnectionLost;
+            break;
+        case -9845:    /* decryption failure */
+            errorCode = NSURLErrorCannotDecodeRawData;
+            break;
+        case -9846:    /* bad MAC */
+            errorCode = NSURLErrorNotConnectedToInternet;
+            break;
+        case -9847:    /* record overflow */
+            errorCode = NSURLErrorDataLengthExceedsMaximum;
+            break;
+        case -9848:    /* configuration error */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case -9849:    /* unexpected (skipped) record in DTLS */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case -9850:   /* weak ephemeral dh key  */
+            errorCode = kQNUnexpectedSysCallError;
+            break;
+        case -9851:    /* SNI */
+            errorCode = NSURLErrorClientCertificateRejected;
+            break;
+        default:
+            break;
+    }
+    
+    return [NSError errorWithDomain:NSURLErrorDomain code:errorCode userInfo:@{@"UserInfo" : errorInfo ?: @""}];
+}
+
+
+//MARK: -- delegate action
+- (void)delegate_redirectedToRequest:(NSURLRequest *)request
+                    redirectResponse:(NSURLResponse *)redirectResponse{
+    if ([self.delegate respondsToSelector:@selector(redirectedToRequest:redirectResponse:)]) {
+        [self.delegate redirectedToRequest:request redirectResponse:redirectResponse];
+    }
+}
+
+- (void)delegate_onError:(NSError *)error{
+    @synchronized (self) {
+        if (self.isCallFinishOrError) {
+            return;
+        }
+        self.isCallFinishOrError = YES;
+    }
+    
+    if ([self.delegate respondsToSelector:@selector(onError:)]) {
+        [self.delegate onError:error];
+    }
+}
+
+- (void)delegate_didSendBodyData:(int64_t)bytesSent
+                  totalBytesSent:(int64_t)totalBytesSent
+        totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend{
+    if ([self.delegate respondsToSelector:@selector(didSendBodyData:
+                                                    totalBytesSent:
+                                                    totalBytesExpectedToSend:)]) {
+        [self.delegate didSendBodyData:bytesSent
+                        totalBytesSent:totalBytesSent
+              totalBytesExpectedToSend:totalBytesExpectedToSend];
+    }
+}
+- (void)delegate_onReceiveResponse:(NSURLResponse *)response httpVersion:(NSString *)httpVersion{
+    if ([self.delegate respondsToSelector:@selector(onReceiveResponse:httpVersion:)]) {
+        [self.delegate onReceiveResponse:response httpVersion:httpVersion];
+    }
+}
+
+- (void)delegate_didLoadData:(NSData *)data{
+    if ([self.delegate respondsToSelector:@selector(didLoadData:)]) {
+        [self.delegate didLoadData:data];
+    }
+}
+
+- (void)delegate_didFinish{
+    @synchronized (self) {
+        if (self.isCallFinishOrError) {
+            return;
+        }
+        self.isCallFinishOrError = YES;
+    }
+    
+    if ([self.delegate respondsToSelector:@selector(didFinish)]) {
+        [self.delegate didFinish];
+    }
+}
+
+
+// MARK: error
+- (NSError *)createError:(NSInteger)errorCode errorDescription:(NSString *)errorDescription {
+    if (errorDescription) {
+        return [NSError errorWithDomain:kQNCFHttpClientErrorDomain
+                                   code:errorCode
+                               userInfo:@{@"userInfo":errorDescription}];
+    } else {
+        return [NSError errorWithDomain:kQNCFHttpClientErrorDomain
+                                   code:NSURLErrorSecureConnectionFailed
+                               userInfo:nil];
+    }
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/CFNetwork/QNCFHttpThreadPool.h

@@ -0,0 +1,31 @@
+//
+//  QNCFHttpThreadPool.h
+//  Qiniu
+//
+//  Created by yangsen on 2021/10/13.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNCFHttpThread : NSThread
+
+@property(nonatomic, assign, readonly)NSInteger operationCount;
+
+@end
+
+
+@interface QNCFHttpThreadPool : NSObject
+
+@property(nonatomic, assign, readonly)NSInteger maxOperationPerThread;
+
++ (instancetype)shared;
+
+- (QNCFHttpThread *)getOneThread;
+- (void)addOperationCountOfThread:(QNCFHttpThread *)thread;
+- (void)subtractOperationCountOfThread:(QNCFHttpThread *)thread;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/CFNetwork/QNCFHttpThreadPool.m

@@ -0,0 +1,128 @@
+//
+//  QNCFHttpThreadPool.m
+//  Qiniu
+//
+//  Created by yangsen on 2021/10/13.
+//
+
+#import "QNCFHttpThreadPool.h"
+#import "QNTransactionManager.h"
+
+@interface QNCFHttpThread()
+@property(nonatomic, assign)BOOL isCompleted;
+@property(nonatomic, assign)NSInteger operationCount;
+@property(nonatomic, strong)NSDate *deadline;
+@end
+@implementation QNCFHttpThread
++ (instancetype)thread {
+    return [[QNCFHttpThread alloc] init];;
+}
+
+- (instancetype)init {
+    if (self = [super init]) {
+        self.isCompleted = NO;
+        self.operationCount = 0;
+    }
+    return self;
+}
+
+- (void)main {
+    @autoreleasepool {
+        [super main];
+        
+        while (!self.isCompleted) {
+            [[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:1]];
+        }
+    }
+}
+
+- (void)cancel {
+    self.isCompleted = YES;
+}
+
+@end
+
+@interface QNCFHttpThreadPool()
+// 单位：秒
+@property(nonatomic, assign)NSInteger threadLiveTime;
+@property(nonatomic, assign)NSInteger maxOperationPerThread;
+@property(nonatomic, strong)NSMutableArray *pool;
+@end
+@implementation QNCFHttpThreadPool
+
++ (instancetype)shared {
+    static QNCFHttpThreadPool *pool = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        pool = [[QNCFHttpThreadPool alloc] init];
+        pool.threadLiveTime = 60;
+        pool.maxOperationPerThread = 1;
+        pool.pool = [NSMutableArray array];
+        [pool addThreadLiveChecker];
+    });
+    return pool;
+}
+
+- (void)addThreadLiveChecker {
+    QNTransaction *transaction = [QNTransaction timeTransaction:@"CFHttpThreadPool" after:0 interval:1 action:^{
+        [[QNCFHttpThreadPool shared] checkThreadLive];
+    }];
+    [kQNTransactionManager addTransaction:transaction];
+}
+
+- (void)checkThreadLive {
+    @synchronized (self) {
+        NSArray *pool = [self.pool copy];
+        for (QNCFHttpThread *thread in pool) {
+            if (thread.operationCount < 1 && thread.deadline && [thread.deadline timeIntervalSinceNow] < 0) {
+                [self.pool removeObject:thread];
+                [thread cancel];
+            }
+        }
+    }
+}
+
+- (QNCFHttpThread *)getOneThread {
+    QNCFHttpThread *thread = nil;
+    @synchronized (self) {
+        for (QNCFHttpThread *t in self.pool) {
+            if (t.operationCount < self.maxOperationPerThread) {
+                thread = t;
+                break;
+            }
+        }
+        if (thread == nil) {
+            thread = [QNCFHttpThread thread];
+            thread.name = [NSString stringWithFormat:@"com.qiniu.cfclient.%lu", (unsigned long)self.pool.count];
+            [thread start];
+            [self.pool addObject:thread];
+        }
+        thread.operationCount += 1;
+        thread.deadline = nil;
+    }
+    return thread;
+}
+
+- (void)addOperationCountOfThread:(QNCFHttpThread *)thread {
+    if (thread == nil) {
+        return;
+    }
+    @synchronized (self) {
+        thread.operationCount += 1;
+        thread.deadline = nil;
+    }
+}
+
+- (void)subtractOperationCountOfThread:(QNCFHttpThread *)thread {
+    if (thread == nil) {
+        return;
+    }
+    @synchronized (self) {
+        thread.operationCount -= 1;
+        if (thread.operationCount < 1) {
+            thread.deadline = [NSDate dateWithTimeIntervalSinceNow:self.threadLiveTime];
+        }
+    }
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/QNUploadSystemClient.h

@@ -0,0 +1,17 @@
+//
+//  QNUploadSystemClient.h
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/5/6.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNRequestClient.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUploadSystemClient : NSObject <QNRequestClient>
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/HttpClient/QNUploadSystemClient.m

@@ -0,0 +1,202 @@
+//
+//  QNUploadSystemClient.m
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/5/6.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNUploadSystemClient.h"
+#import "QNUserAgent.h"
+#import "NSURLRequest+QNRequest.h"
+
+@interface QNUploadSystemClient()<NSURLSessionDelegate>
+
+@property(nonatomic, strong)NSURLRequest *request;
+@property(nonatomic, strong)QNUploadSingleRequestMetrics *requestMetrics;
+@property(nonatomic, strong)NSURLSessionDataTask *uploadTask;
+@property(nonatomic, strong)NSMutableData *responseData;
+@property(nonatomic,  copy)void(^progress)(long long totalBytesWritten, long long totalBytesExpectedToWrite);
+@property(nonatomic,  copy)QNRequestClientCompleteHandler complete;
+
+@end
+@implementation QNUploadSystemClient
+
+- (NSString *)clientId {
+    return @"NSURLSession";
+}
+
+- (void)request:(NSURLRequest *)request
+         server:(id <QNUploadServer>)server
+connectionProxy:(NSDictionary *)connectionProxy
+       progress:(void (^)(long long, long long))progress
+       complete:(QNRequestClientCompleteHandler)complete {
+    
+    // 非 https 方可使用 IP
+    if (!request.qn_isHttps && server && server.ip.length > 0 && server.host.length > 0) {
+        NSString *urlString = request.URL.absoluteString;
+        urlString = [urlString stringByReplacingOccurrencesOfString:server.host withString:server.ip];
+        NSMutableURLRequest *requestNew = [request mutableCopy];
+        requestNew.URL = [NSURL URLWithString:urlString];
+        requestNew.qn_domain = server.host;
+        self.request = [requestNew copy];
+    } else {
+        self.request = request;
+    }
+
+    self.requestMetrics = [QNUploadSingleRequestMetrics emptyMetrics];
+    self.requestMetrics.remoteAddress = self.request.qn_isHttps ? nil : server.ip;
+    self.requestMetrics.remotePort = self.request.qn_isHttps ? @443 : @80;
+    [self.requestMetrics start];
+    
+    self.responseData = [NSMutableData data];
+    self.progress = progress;
+    self.complete = complete;
+    
+    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
+    if (connectionProxy) {
+        configuration.connectionProxyDictionary = connectionProxy;
+    }
+    NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration
+                                                          delegate:self
+                                                     delegateQueue:nil];
+    NSURLSessionDataTask *uploadTask = [session dataTaskWithRequest:self.request];
+    [uploadTask resume];
+    
+    self.uploadTask = uploadTask;
+}
+
+- (void)cancel{
+    [self.uploadTask cancel];
+}
+
+//MARK:-- NSURLSessionDelegate
+- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveResponse:(NSURLResponse *)response completionHandler:(void (^)(NSURLSessionResponseDisposition))completionHandler {
+    completionHandler(NSURLSessionResponseAllow);
+}
+
+- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data {
+    [self.responseData appendData:data];
+}
+
+- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(nullable NSError *)error {
+    [self.requestMetrics end];
+    self.requestMetrics.request = task.currentRequest;
+    self.requestMetrics.response = task.response;
+    self.requestMetrics.error = error;
+    self.complete(task.response, self.requestMetrics,self.responseData, error);
+    
+    [session finishTasksAndInvalidate];
+}
+
+- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didFinishCollectingMetrics:(NSURLSessionTaskMetrics *)metrics  API_AVAILABLE(ios(10.0)) {
+    NSURLSessionTaskTransactionMetrics *transactionMetrics = metrics.transactionMetrics.lastObject;
+    
+    self.requestMetrics.domainLookupStartDate = transactionMetrics.domainLookupStartDate;
+    self.requestMetrics.domainLookupEndDate = transactionMetrics.domainLookupEndDate;
+    self.requestMetrics.connectStartDate = transactionMetrics.connectStartDate;
+    self.requestMetrics.secureConnectionStartDate = transactionMetrics.secureConnectionStartDate;
+    self.requestMetrics.secureConnectionEndDate = transactionMetrics.secureConnectionEndDate;
+    self.requestMetrics.connectEndDate = transactionMetrics.connectEndDate;
+    
+    self.requestMetrics.requestStartDate = transactionMetrics.requestStartDate;
+    self.requestMetrics.requestEndDate = transactionMetrics.requestEndDate;
+    self.requestMetrics.responseStartDate = transactionMetrics.responseStartDate;
+    self.requestMetrics.responseEndDate = transactionMetrics.responseEndDate;
+    
+    if ([transactionMetrics.networkProtocolName isEqualToString:@"http/1.0"]) {
+        self.requestMetrics.httpVersion = @"1.0";
+    } else if ([transactionMetrics.networkProtocolName isEqualToString:@"http/1.1"]) {
+        self.requestMetrics.httpVersion = @"1.1";
+    } else if ([transactionMetrics.networkProtocolName isEqualToString:@"h2"]) {
+        self.requestMetrics.httpVersion = @"2";
+    } else if ([transactionMetrics.networkProtocolName isEqualToString:@"h3"]) {
+        self.requestMetrics.httpVersion = @"3";
+    } else {
+        self.requestMetrics.httpVersion = transactionMetrics.networkProtocolName;
+    }
+    
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
+    if (@available(iOS 13.0, macOS 10.15, *)) {
+        if (transactionMetrics.remoteAddress) {
+            self.requestMetrics.remoteAddress = transactionMetrics.remoteAddress;
+            self.requestMetrics.remotePort = transactionMetrics.remotePort;
+        }
+        if (transactionMetrics.countOfRequestHeaderBytesSent > 0) {
+            self.requestMetrics.countOfRequestHeaderBytesSent = transactionMetrics.countOfRequestHeaderBytesSent;
+        }
+        if (transactionMetrics.countOfResponseHeaderBytesReceived > 0) {
+            self.requestMetrics.countOfResponseHeaderBytesReceived = transactionMetrics.countOfResponseHeaderBytesReceived;
+        }
+        if (transactionMetrics.countOfResponseBodyBytesReceived > 0) {
+            self.requestMetrics.countOfResponseBodyBytesReceived = transactionMetrics.countOfResponseBodyBytesReceived;
+        }
+    }
+#endif
+    
+}
+
+- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task
+             didSendBodyData:(int64_t)bytesSent
+              totalBytesSent:(int64_t)totalBytesSent
+    totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend {
+    
+    self.requestMetrics.countOfRequestBodyBytesSent = totalBytesSent;
+    if (self.progress) {
+        self.progress(totalBytesSent, totalBytesExpectedToSend);
+    }
+}
+
+/*
+- (BOOL)evaluateServerTrust:(SecTrustRef)serverTrust
+                  forDomain:(NSString *)domain {
+
+    NSMutableArray *policies = [NSMutableArray array];
+    if (domain) {
+        [policies addObject:(__bridge_transfer id)SecPolicyCreateSSL(true, (__bridge CFStringRef)domain)];
+    } else {
+        [policies addObject:(__bridge_transfer id)SecPolicyCreateBasicX509()];
+    }
+    
+    SecTrustSetPolicies(serverTrust, (__bridge CFArrayRef)policies);
+
+    if (@available(iOS 13.0, macOS 10.14, *)) {
+        CFErrorRef error = NULL;
+        BOOL ret = SecTrustEvaluateWithError(serverTrust, &error);
+        return ret && (error == nil);
+    } else {
+        SecTrustResultType result;
+        SecTrustEvaluate(serverTrust, &result);
+        return (result == kSecTrustResultUnspecified || result == kSecTrustResultProceed);
+    }
+}
+
+- (void)URLSession:(NSURLSession *)session
+              task:(NSURLSessionTask *)task
+didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge
+ completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * __nullable credential))completionHandler {
+    if (!challenge) {
+        return;
+    }
+    NSURLSessionAuthChallengeDisposition disposition = NSURLSessionAuthChallengePerformDefaultHandling;
+    NSURLCredential *credential = nil;
+
+    NSString* host = [[self.request allHTTPHeaderFields] objectForKey:@"host"];
+    if (!host) {
+        host = self.request.URL.host;
+    }
+    if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
+        if ([self evaluateServerTrust:challenge.protectionSpace.serverTrust forDomain:host]) {
+            disposition = NSURLSessionAuthChallengeUseCredential;
+            credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
+        } else {
+            disposition = NSURLSessionAuthChallengePerformDefaultHandling;
+        }
+    } else {
+        disposition = NSURLSessionAuthChallengePerformDefaultHandling;
+    }
+
+    completionHandler(disposition,credential);
+}
+*/
+@end

Pods/Qiniu/QiniuSDK/Http/Request/QNHttpRegionRequest.h

@@ -0,0 +1,56 @@
+//
+//  QNHttpRequest.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/29.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "QNHttpSingleRequest.h"
+#import "QNUploadRegionInfo.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+
+@class QNUploadRequestState, QNResponseInfo, QNConfiguration, QNUploadOption, QNUpToken, QNUploadRegionRequestMetrics;
+
+typedef void(^QNRegionRequestCompleteHandler)(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response);
+
+@interface QNHttpRegionRequest : NSObject
+
+@property(nonatomic, strong, readonly)QNConfiguration *config;
+@property(nonatomic, strong, readonly)QNUploadOption *uploadOption;
+
+
+- (instancetype)initWithConfig:(QNConfiguration *)config
+                  uploadOption:(QNUploadOption *)uploadOption
+                         token:(QNUpToken *)token
+                        region:(id <QNUploadRegion>)region
+                   requestInfo:(QNUploadRequestInfo *)requestInfo
+                  requestState:(QNUploadRequestState *)requestState;
+
+
+- (void)get:(NSString * _Nullable)action
+    headers:(NSDictionary * _Nullable)headers
+shouldRetry:(BOOL(^)(QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response))shouldRetry
+   complete:(QNRegionRequestCompleteHandler)complete;
+
+- (void)post:(NSString * _Nullable)action
+     headers:(NSDictionary * _Nullable)headers
+        body:(NSData * _Nullable)body
+ shouldRetry:(BOOL(^)(QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response))shouldRetry
+    progress:(void(^_Nullable)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+    complete:(QNRegionRequestCompleteHandler)complete;
+
+
+- (void)put:(NSString *)action
+    headers:(NSDictionary * _Nullable)headers
+       body:(NSData * _Nullable)body
+shouldRetry:(BOOL(^)(QNResponseInfo *responseInfo, NSDictionary *response))shouldRetry
+   progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+   complete:(QNRegionRequestCompleteHandler)complete;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/QNHttpRegionRequest.m

@@ -0,0 +1,216 @@
+//
+//  QNHttpRequest.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/29.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNDefine.h"
+#import "QNLogUtil.h"
+#import "QNAsyncRun.h"
+#import "QNDnsPrefetch.h"
+#import "QNUploadRequestState.h"
+#import "QNHttpRegionRequest.h"
+#import "QNConfiguration.h"
+#import "QNUploadOption.h"
+#import "QNUrlUtils.h"
+#import "NSURLRequest+QNRequest.h"
+
+#import "QNUploadRequestMetrics.h"
+#import "QNResponseInfo.h"
+
+@interface QNHttpRegionRequest()
+
+@property(nonatomic, strong)QNConfiguration *config;
+@property(nonatomic, strong)QNUploadOption *uploadOption;
+@property(nonatomic, strong)QNUploadRequestInfo *requestInfo;
+@property(nonatomic, strong)QNUploadRequestState *requestState;
+
+@property(nonatomic, strong)QNUploadRegionRequestMetrics *requestMetrics;
+@property(nonatomic, strong)QNHttpSingleRequest *singleRequest;
+
+@property(nonatomic, strong)id <QNUploadServer> currentServer;
+@property(nonatomic, strong)id <QNUploadRegion> region;
+
+@end
+@implementation QNHttpRegionRequest
+
+- (instancetype)initWithConfig:(QNConfiguration *)config
+                  uploadOption:(QNUploadOption *)uploadOption
+                         token:(QNUpToken *)token
+                        region:(id <QNUploadRegion>)region
+                   requestInfo:(QNUploadRequestInfo *)requestInfo
+                  requestState:(QNUploadRequestState *)requestState {
+    if (self = [super init]) {
+        _config = config;
+        _uploadOption = uploadOption;
+        _region = region;
+        _requestInfo = requestInfo;
+        _requestState = requestState;
+        _singleRequest = [[QNHttpSingleRequest alloc] initWithConfig:config
+                                                        uploadOption:uploadOption
+                                                               token:token
+                                                         requestInfo:requestInfo
+                                                        requestState:requestState];
+    }
+    return self;
+}
+
+- (void)get:(NSString *)action
+    headers:(NSDictionary *)headers
+shouldRetry:(BOOL(^)(QNResponseInfo *responseInfo, NSDictionary *response))shouldRetry
+   complete:(QNRegionRequestCompleteHandler)complete{
+    
+    self.requestMetrics = [[QNUploadRegionRequestMetrics alloc] initWithRegion:self.region];
+    [self.requestMetrics start];
+    [self performRequest:[self getNextServer:nil]
+                  action:action
+                 headers:headers
+                  method:@"GET"
+                    body:nil
+             shouldRetry:shouldRetry
+                progress:nil
+                complete:complete];
+}
+
+- (void)post:(NSString *)action
+     headers:(NSDictionary *)headers
+        body:(NSData *)body
+ shouldRetry:(BOOL(^)(QNResponseInfo *responseInfo, NSDictionary *response))shouldRetry
+    progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+    complete:(QNRegionRequestCompleteHandler)complete{
+    
+    self.requestMetrics = [[QNUploadRegionRequestMetrics alloc] initWithRegion:self.region];
+    [self.requestMetrics start];
+    [self performRequest:[self getNextServer:nil]
+                  action:action
+                 headers:headers
+                  method:@"POST"
+                    body:body
+             shouldRetry:shouldRetry
+                progress:progress
+                complete:complete];
+}
+
+
+- (void)put:(NSString *)action
+    headers:(NSDictionary *)headers
+       body:(NSData *)body
+shouldRetry:(BOOL(^)(QNResponseInfo *responseInfo, NSDictionary *response))shouldRetry
+   progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+   complete:(QNRegionRequestCompleteHandler)complete{
+    
+    self.requestMetrics = [[QNUploadRegionRequestMetrics alloc] initWithRegion:self.region];
+    [self.requestMetrics start];
+    [self performRequest:[self getNextServer:nil]
+                  action:action
+                 headers:headers
+                  method:@"PUT"
+                    body:body
+             shouldRetry:shouldRetry
+                progress:progress
+                complete:complete];
+}
+
+
+- (void)performRequest:(id <QNUploadServer>)server
+                action:(NSString *)action
+               headers:(NSDictionary *)headers
+                method:(NSString *)method
+                  body:(NSData *)body
+           shouldRetry:(BOOL(^)(QNResponseInfo *responseInfo, NSDictionary *response))shouldRetry
+              progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+              complete:(QNRegionRequestCompleteHandler)complete{
+    
+    if (!server.host || server.host.length == 0) {
+        QNResponseInfo *responseInfo = [QNResponseInfo responseInfoWithSDKInteriorError:@"server error"];
+        [self complete:responseInfo response:nil complete:complete];
+        return;
+    }
+    
+    NSString *serverHost = server.host;
+    NSString *serverIP = server.ip;
+    
+    if (self.config.converter) {
+        serverHost = self.config.converter(serverHost);
+        serverIP = nil;
+    }
+    
+    self.currentServer = server;
+    
+    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
+    NSString *urlString = [NSString stringWithFormat:@"%@%@", [QNUrlUtils setHostScheme:serverHost useHttps:self.config.useHttps], action ?: @""];
+    request.URL = [NSURL URLWithString:urlString];
+    request.HTTPMethod = method;
+    [request setAllHTTPHeaderFields:headers];
+    [request setTimeoutInterval:self.config.timeoutInterval];
+    request.HTTPBody = body;
+    
+    QNLogInfo(@"key:%@ url:%@", self.requestInfo.key, request.URL);
+    QNLogInfo(@"key:%@ headers:%@", self.requestInfo.key, headers);
+    
+    kQNWeakSelf;
+    [self.singleRequest request:request
+                         server:server
+                    shouldRetry:shouldRetry
+                       progress:progress
+                       complete:^(QNResponseInfo * _Nullable responseInfo, NSArray<QNUploadSingleRequestMetrics *> * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        
+        [self.requestMetrics addMetricsList:metrics];
+        
+        BOOL hijacked = metrics.lastObject.isMaybeHijacked || metrics.lastObject.isForsureHijacked;
+        BOOL isSafeDnsSource = kQNIsDnsSourceCustom(metrics.lastObject.syncDnsSource) || kQNIsDnsSourceDoh(metrics.lastObject.syncDnsSource) || kQNIsDnsSourceDnsPod(metrics.lastObject.syncDnsSource);
+        BOOL hijackedAndNeedRetry = hijacked && isSafeDnsSource;
+        if (hijackedAndNeedRetry) {
+            [self.region updateIpListFormHost:server.host];
+        }
+        
+        if ((shouldRetry(responseInfo, response)
+            && self.config.allowBackupHost
+            && responseInfo.couldRegionRetry) || hijackedAndNeedRetry) {
+            
+            id <QNUploadServer> newServer = [self getNextServer:responseInfo];
+            if (newServer) {
+                QNAsyncRunAfter(self.config.retryInterval, kQNBackgroundQueue, ^{
+                    [self performRequest:newServer
+                                  action:action
+                                 headers:headers
+                                  method:method
+                                    body:body
+                             shouldRetry:shouldRetry
+                                progress:progress
+                                complete:complete];
+                });
+            } else if (complete) {
+                [self complete:responseInfo response:response complete:complete];
+            }
+        } else if (complete) {
+            [self complete:responseInfo response:response complete:complete];
+        }
+    }];
+}
+
+- (void)complete:(QNResponseInfo *)responseInfo
+        response:(NSDictionary *)response
+        complete:(QNRegionRequestCompleteHandler)completionHandler {
+    [self.requestMetrics end];
+    
+    if (completionHandler) {
+        completionHandler(responseInfo, self.requestMetrics, response);
+    }
+    self.singleRequest = nil;
+}
+
+//MARK: --
+- (id <QNUploadServer>)getNextServer:(QNResponseInfo *)responseInfo{
+
+    if (responseInfo.isTlsError) {
+        self.requestState.isUseOldServer = YES;
+    }
+    
+    return [self.region getNextServer:[self.requestState copy] responseInfo:responseInfo freezeServer:self.currentServer];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Request/QNHttpSingleRequest.h

@@ -0,0 +1,42 @@
+//
+//  QNHttpRequest+SingleRequestRetry.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/29.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "QNUploadRequestInfo.h"
+#import "QNIUploadServer.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class QNUploadRequestState, QNResponseInfo, QNConfiguration, QNUploadOption, QNUpToken, QNUploadSingleRequestMetrics;
+
+typedef void(^QNSingleRequestCompleteHandler)(QNResponseInfo * _Nullable responseInfo, NSArray <QNUploadSingleRequestMetrics *> * _Nullable metrics, NSDictionary * _Nullable response);
+
+@interface QNHttpSingleRequest : NSObject
+
+- (instancetype)initWithConfig:(QNConfiguration *)config
+                  uploadOption:(QNUploadOption *)uploadOption
+                         token:(QNUpToken *)token
+                   requestInfo:(QNUploadRequestInfo *)requestInfo
+                  requestState:(QNUploadRequestState *)requestState;
+
+
+/// 网络请求
+/// @param request 请求内容
+/// @param server server信息，目前仅用于日志统计
+/// @param shouldRetry 判断是否需要重试的block
+/// @param progress 上传进度回调
+/// @param complete 上传完成回调
+- (void)request:(NSURLRequest *)request
+         server:(id <QNUploadServer>)server
+    shouldRetry:(BOOL(^)(QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response))shouldRetry
+       progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+       complete:(QNSingleRequestCompleteHandler)complete;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/QNHttpSingleRequest.m

@@ -0,0 +1,323 @@
+//
+//  QNHttpRequest+SingleRequestRetry.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/29.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNDefine.h"
+#import "QNAsyncRun.h"
+#import "QNVersion.h"
+#import "QNUtils.h"
+#import "QNLogUtil.h"
+#import "QNHttpSingleRequest.h"
+#import "QNConfiguration.h"
+#import "QNUploadOption.h"
+#import "QNUpToken.h"
+#import "QNResponseInfo.h"
+#import "QNNetworkStatusManager.h"
+#import "QNRequestClient.h"
+#import "QNUploadRequestState.h"
+
+#import "QNConnectChecker.h"
+#import "QNDnsPrefetch.h"
+
+#import "QNReportItem.h"
+
+#import "QNCFHttpClient.h"
+#import "QNUploadSystemClient.h"
+#import "NSURLRequest+QNRequest.h"
+
+
+
+@interface QNHttpSingleRequest()
+
+@property(nonatomic, assign)int currentRetryTime;
+@property(nonatomic, strong)QNConfiguration *config;
+@property(nonatomic, strong)QNUploadOption *uploadOption;
+@property(nonatomic, strong)QNUpToken *token;
+@property(nonatomic, strong)QNUploadRequestInfo *requestInfo;
+@property(nonatomic, strong)QNUploadRequestState *requestState;
+
+@property(nonatomic, strong)NSMutableArray <QNUploadSingleRequestMetrics *> *requestMetricsList;
+
+@property(nonatomic, strong)id <QNRequestClient> client;
+
+@end
+@implementation QNHttpSingleRequest
+
+- (instancetype)initWithConfig:(QNConfiguration *)config
+                  uploadOption:(QNUploadOption *)uploadOption
+                         token:(QNUpToken *)token
+                   requestInfo:(QNUploadRequestInfo *)requestInfo
+                  requestState:(QNUploadRequestState *)requestState{
+    if (self = [super init]) {
+        _config = config;
+        _uploadOption = uploadOption;
+        _token = token;
+        _requestInfo = requestInfo;
+        _requestState = requestState;
+        _currentRetryTime = 0;
+    }
+    return self;
+}
+
+- (void)request:(NSURLRequest *)request
+         server:(id <QNUploadServer>)server
+    shouldRetry:(BOOL(^)(QNResponseInfo *responseInfo, NSDictionary *response))shouldRetry
+       progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+       complete:(QNSingleRequestCompleteHandler)complete{
+    
+    _currentRetryTime = 0;
+    _requestMetricsList = [NSMutableArray array];
+    [self retryRequest:request server:server shouldRetry:shouldRetry progress:progress complete:complete];
+}
+
+- (void)retryRequest:(NSURLRequest *)request
+              server:(id <QNUploadServer>)server
+         shouldRetry:(BOOL(^)(QNResponseInfo *responseInfo, NSDictionary *response))shouldRetry
+            progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+            complete:(QNSingleRequestCompleteHandler)complete{
+    
+    if (kQNIsHttp3(server.httpVersion)) {
+        self.client = [[QNUploadSystemClient alloc] init];
+    } else {
+        if ([self shouldUseCFClient:request server:server]) {
+            self.client = [[QNCFHttpClient alloc] init];
+        } else {
+            self.client = [[QNUploadSystemClient alloc] init];
+        }
+    }
+    
+    kQNWeakSelf;
+    BOOL (^checkCancelHandler)(void) = ^{
+        kQNStrongSelf;
+        
+        BOOL isCancelled = self.requestState.isUserCancel;
+        if (!isCancelled && self.uploadOption.cancellationSignal) {
+            isCancelled = self.uploadOption.cancellationSignal();
+        }
+        return isCancelled;
+    };
+
+    QNLogInfo(@"key:%@ retry:%d url:%@", self.requestInfo.key, self.currentRetryTime, request.URL);
+    
+    [self.client request:request server:server connectionProxy:self.config.proxy progress:^(long long totalBytesWritten, long long totalBytesExpectedToWrite) {
+        kQNStrongSelf;
+        
+        if (progress) {
+            progress(totalBytesWritten, totalBytesExpectedToWrite);
+        }
+        
+        if (checkCancelHandler()) {
+            self.requestState.isUserCancel = YES;
+            [self.client cancel];
+        }
+    } complete:^(NSURLResponse *response, QNUploadSingleRequestMetrics *metrics, NSData * responseData, NSError * error) {
+        kQNStrongSelf;
+        
+        if (metrics) {
+            [self.requestMetricsList addObject:metrics];
+        }
+        
+        QNResponseInfo *responseInfo = nil;
+        if (checkCancelHandler()) {
+            responseInfo = [QNResponseInfo cancelResponse];
+            [self reportRequest:responseInfo server:server requestMetrics:metrics];
+            [self complete:responseInfo server:server response:nil requestMetrics:metrics complete:complete];
+            return;
+        }
+        
+        NSDictionary *responseDic = nil;
+        if (responseData) {
+            responseDic = [NSJSONSerialization JSONObjectWithData:responseData
+                                                          options:NSJSONReadingMutableLeaves
+                                                            error:nil];
+        }
+        
+        responseInfo = [[QNResponseInfo alloc] initWithResponseInfoHost:request.qn_domain
+                                                               response:(NSHTTPURLResponse *)response
+                                                                   body:responseData
+                                                                  error:error];
+        BOOL isSafeDnsSource = kQNIsDnsSourceCustom(server.source) || kQNIsDnsSourceDoh(server.source) || kQNIsDnsSourceDnsPod(server.source);
+        BOOL hijacked = responseInfo.isNotQiniu && !isSafeDnsSource;
+        if (hijacked) {
+            metrics.hijacked = kQNMetricsRequestHijacked;
+            NSError *err = nil;
+            metrics.syncDnsSource = [kQNDnsPrefetch prefetchHostBySafeDns:server.host error:&err];
+            metrics.syncDnsError = err;
+        }
+        
+        if (!hijacked && [self shouldCheckConnect:responseInfo]) {
+            // 网络状态检测
+            QNUploadSingleRequestMetrics *connectCheckMetrics = [QNConnectChecker check];
+            metrics.connectCheckMetrics = connectCheckMetrics;
+            if (![QNConnectChecker isConnected:connectCheckMetrics]) {
+                NSString *message = [NSString stringWithFormat:@"check origin statusCode:%d error:%@", responseInfo.statusCode, responseInfo.error];
+                responseInfo = [QNResponseInfo errorResponseInfo:NSURLErrorNotConnectedToInternet errorDesc:message];
+            } else if (!isSafeDnsSource) {
+                metrics.hijacked = kQNMetricsRequestMaybeHijacked;
+                NSError *err = nil;
+                [kQNDnsPrefetch prefetchHostBySafeDns:server.host error:&err];
+                metrics.syncDnsError = err;
+            }
+        }
+        
+        [self reportRequest:responseInfo server:server requestMetrics:metrics];
+        
+        QNLogInfo(@"key:%@ response:%@", self.requestInfo.key, responseInfo);
+        if (shouldRetry(responseInfo, responseDic)
+            && self.currentRetryTime < self.config.retryMax
+            && responseInfo.couldHostRetry) {
+            self.currentRetryTime += 1;
+            QNAsyncRunAfter(self.config.retryInterval, kQNBackgroundQueue, ^{
+                [self retryRequest:request server:server shouldRetry:shouldRetry progress:progress complete:complete];
+            });
+        } else {
+            [self complete:responseInfo server:server response:responseDic requestMetrics:metrics complete:complete];
+        }
+    }];
+    
+}
+
+- (BOOL)shouldCheckConnect:(QNResponseInfo *)responseInfo {
+    if (!kQNGlobalConfiguration.connectCheckEnable || [kQNGlobalConfiguration.connectCheckURLStrings count] == 0) {
+        return NO;
+    }
+    
+    return responseInfo.statusCode == kQNNetworkError ||
+    responseInfo.statusCode == kQNUnexpectedSysCallError || // CF 内部部分错误码 归结到了调用错误
+    responseInfo.statusCode == NSURLErrorTimedOut /* NSURLErrorTimedOut */ ||
+    responseInfo.statusCode == -1003 /* NSURLErrorCannotFindHost */ ||
+    responseInfo.statusCode == -1004 /* NSURLErrorCannotConnectToHost */ ||
+    responseInfo.statusCode == -1005 /* NSURLErrorNetworkConnectionLost */ ||
+    responseInfo.statusCode == -1006 /* NSURLErrorDNSLookupFailed */ ||
+    responseInfo.statusCode == -1009 /* NSURLErrorNotConnectedToInternet */  ||
+    responseInfo.statusCode == -1200 /* NSURLErrorSecureConnectionFailed */  ||
+    responseInfo.statusCode == -1204 /* NSURLErrorServerCertificateNotYetValid */  ||
+    responseInfo.statusCode == -1205 /* NSURLErrorClientCertificateRejected */;
+}
+
+- (void)complete:(QNResponseInfo *)responseInfo
+            server:(id<QNUploadServer>)server
+          response:(NSDictionary *)response
+    requestMetrics:(QNUploadSingleRequestMetrics *)requestMetrics
+          complete:(QNSingleRequestCompleteHandler)complete {
+    [self updateHostNetworkStatus:responseInfo server:server requestMetrics:requestMetrics];
+    if (complete) {
+        complete(responseInfo, [self.requestMetricsList copy], response);
+    }
+}
+
+- (BOOL)shouldUseCFClient:(NSURLRequest *)request server:(id <QNUploadServer>)server {
+    if (request.qn_isHttps && server.host.length > 0 && server.ip.length > 0) {
+        return YES;
+    } else {
+        return NO;
+    }
+}
+
+//MARK:-- 统计网络状态
+- (void)updateHostNetworkStatus:(QNResponseInfo *)responseInfo
+                         server:(id <QNUploadServer>)server
+                 requestMetrics:(QNUploadSingleRequestMetrics *)requestMetrics{
+    long long bytes = requestMetrics.bytesSend.longLongValue;
+    if (requestMetrics.startDate && requestMetrics.endDate && bytes >= 1024 * 1024) {
+        double duration = [requestMetrics.endDate timeIntervalSinceDate:requestMetrics.startDate] * 1000;
+        NSNumber *speed = [QNUtils calculateSpeed:bytes totalTime:duration];
+        if (speed) {
+            NSString *type = [QNNetworkStatusManager getNetworkStatusType:server.host ip:server.ip];
+            [kQNNetworkStatusManager updateNetworkStatus:type speed:(int)(speed.longValue / 1000)];
+        }
+    }
+}
+
+//MARK:-- 统计quality日志
+- (void)reportRequest:(QNResponseInfo *)info
+               server:(id <QNUploadServer>)server
+       requestMetrics:(QNUploadSingleRequestMetrics *)requestMetrics {
+    
+    if (! [self.requestInfo shouldReportRequestLog]) {
+        return;
+    }
+    
+    QNUploadSingleRequestMetrics *requestMetricsP = requestMetrics ?: [QNUploadSingleRequestMetrics emptyMetrics];
+    
+    NSInteger currentTimestamp = [QNUtils currentTimestamp];
+    QNReportItem *item = [QNReportItem item];
+    [item setReportValue:QNReportLogTypeRequest forKey:QNReportRequestKeyLogType];
+    [item setReportValue:@(currentTimestamp/1000) forKey:QNReportRequestKeyUpTime];
+    [item setReportValue:info.requestReportStatusCode forKey:QNReportRequestKeyStatusCode];
+    [item setReportValue:info.reqId forKey:QNReportRequestKeyRequestId];
+    [item setReportValue:requestMetricsP.request.qn_domain forKey:QNReportRequestKeyHost];
+    [item setReportValue:requestMetricsP.remoteAddress forKey:QNReportRequestKeyRemoteIp];
+    [item setReportValue:requestMetricsP.remotePort forKey:QNReportRequestKeyPort];
+    [item setReportValue:self.requestInfo.bucket forKey:QNReportRequestKeyTargetBucket];
+    [item setReportValue:self.requestInfo.key forKey:QNReportRequestKeyTargetKey];
+    [item setReportValue:requestMetricsP.totalElapsedTime forKey:QNReportRequestKeyTotalElapsedTime];
+    [item setReportValue:requestMetricsP.totalDnsTime forKey:QNReportRequestKeyDnsElapsedTime];
+    [item setReportValue:requestMetricsP.totalConnectTime forKey:QNReportRequestKeyConnectElapsedTime];
+    [item setReportValue:requestMetricsP.totalSecureConnectTime forKey:QNReportRequestKeyTLSConnectElapsedTime];
+    [item setReportValue:requestMetricsP.totalRequestTime forKey:QNReportRequestKeyRequestElapsedTime];
+    [item setReportValue:requestMetricsP.totalWaitTime forKey:QNReportRequestKeyWaitElapsedTime];
+    [item setReportValue:requestMetricsP.totalWaitTime forKey:QNReportRequestKeyResponseElapsedTime];
+    [item setReportValue:requestMetricsP.totalResponseTime forKey:QNReportRequestKeyResponseElapsedTime];
+    [item setReportValue:self.requestInfo.fileOffset forKey:QNReportRequestKeyFileOffset];
+    [item setReportValue:requestMetricsP.bytesSend forKey:QNReportRequestKeyBytesSent];
+    [item setReportValue:requestMetricsP.totalBytes forKey:QNReportRequestKeyBytesTotal];
+    [item setReportValue:@([QNUtils getCurrentProcessID]) forKey:QNReportRequestKeyPid];
+    [item setReportValue:@([QNUtils getCurrentThreadID]) forKey:QNReportRequestKeyTid];
+    [item setReportValue:self.requestInfo.targetRegionId forKey:QNReportRequestKeyTargetRegionId];
+    [item setReportValue:self.requestInfo.currentRegionId forKey:QNReportRequestKeyCurrentRegionId];
+    [item setReportValue:info.requestReportErrorType forKey:QNReportRequestKeyErrorType];
+    NSString *errorDesc = info.requestReportErrorType ? info.message : nil;
+    [item setReportValue:errorDesc forKey:QNReportRequestKeyErrorDescription];
+    [item setReportValue:self.requestInfo.requestType forKey:QNReportRequestKeyUpType];
+    [item setReportValue:[QNUtils systemName] forKey:QNReportRequestKeyOsName];
+    [item setReportValue:[QNUtils systemVersion] forKey:QNReportRequestKeyOsVersion];
+    [item setReportValue:[QNUtils sdkLanguage] forKey:QNReportRequestKeySDKName];
+    [item setReportValue:[QNUtils sdkVersion] forKey:QNReportRequestKeySDKVersion];
+    [item setReportValue:@([QNUtils currentTimestamp]) forKey:QNReportRequestKeyClientTime];
+    [item setReportValue:[QNUtils getCurrentNetworkType] forKey:QNReportRequestKeyNetworkType];
+    [item setReportValue:[QNUtils getCurrentSignalStrength] forKey:QNReportRequestKeySignalStrength];
+    
+    [item setReportValue:server.source forKey:QNReportRequestKeyPrefetchedDnsSource];
+    if (server.ipPrefetchedTime) {
+        NSInteger prefetchTime = currentTimestamp/1000 - [server.ipPrefetchedTime integerValue];
+        [item setReportValue:@(prefetchTime) forKey:QNReportRequestKeyPrefetchedBefore];
+    }
+    [item setReportValue:kQNDnsPrefetch.lastPrefetchedErrorMessage forKey:QNReportRequestKeyPrefetchedErrorMessage];
+    
+    [item setReportValue:requestMetricsP.httpVersion forKey:QNReportRequestKeyHttpVersion];
+
+    if (!kQNGlobalConfiguration.connectCheckEnable) {
+        [item setReportValue:@"disable" forKey:QNReportRequestKeyNetworkMeasuring];
+    } else if (requestMetricsP.connectCheckMetrics) {
+        QNUploadSingleRequestMetrics *metrics = requestMetricsP.connectCheckMetrics;
+        NSString *connectCheckDuration = [NSString stringWithFormat:@"%.2lf", [metrics.totalElapsedTime doubleValue]];
+        NSString *connectCheckStatusCode = @"";
+        if (metrics.response) {
+            connectCheckStatusCode = [NSString stringWithFormat:@"%ld", (long)((NSHTTPURLResponse *)metrics.response).statusCode];
+        } else if (metrics.error) {
+            connectCheckStatusCode = [NSString stringWithFormat:@"%ld", (long)metrics.error.code];
+        }
+        NSString *networkMeasuring = [NSString stringWithFormat:@"duration:%@ status_code:%@",connectCheckDuration, connectCheckStatusCode];
+        [item setReportValue:networkMeasuring forKey:QNReportRequestKeyNetworkMeasuring];
+    }
+    // 劫持标记
+    [item setReportValue:requestMetricsP.hijacked forKey:QNReportRequestKeyHijacking];
+    [item setReportValue:requestMetricsP.syncDnsSource forKey:QNReportRequestKeyDnsSource];
+    [item setReportValue:[requestMetricsP.syncDnsError description] forKey:QNReportRequestKeyDnsErrorMessage];
+    
+    // 成功统计速度
+    if (info.isOK) {
+        [item setReportValue:requestMetricsP.perceptiveSpeed forKey:QNReportRequestKeyPerceptiveSpeed];
+    }
+    
+    [item setReportValue:self.client.clientId forKey:QNReportRequestKeyHttpClient];
+    
+    [kQNReporter reportItem:item token:self.token.token];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Request/QNIUploadServer.h

@@ -0,0 +1,28 @@
+//
+//  QNIUploadServer.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/7/3.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import<Foundation/Foundation.h>
+
+@protocol QNUploadServer <NSObject>
+
+@property(nonatomic,  copy, nullable, readonly)NSString *httpVersion;
+@property(nonatomic,  copy, nullable, readonly)NSString *serverId;
+@property(nonatomic,  copy, nullable, readonly)NSString *ip;
+@property(nonatomic,  copy, nullable, readonly)NSString *host;
+@property(nonatomic,  copy, nullable, readonly)NSString *source;
+@property(nonatomic,strong, nullable, readonly)NSNumber *ipPrefetchedTime;
+
+@end
+
+#define kQNHttpVersion1 @"http_version_1"
+#define kQNHttpVersion2 @"http_version_2"
+#define kQNHttpVersion3 @"http_version_3"
+
+BOOL kQNIsHttp3(NSString * _Nullable httpVersion);
+BOOL kQNIsHttp2(NSString * _Nullable httpVersion);
+

Pods/Qiniu/QiniuSDK/Http/Request/QNIUploadServer.m

@@ -0,0 +1,17 @@
+//
+//  QNIUploadServer.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/2/4.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNIUploadServer.h"
+
+BOOL kQNIsHttp3(NSString * _Nullable httpVersion) {
+    return [httpVersion isEqualToString:kQNHttpVersion3];
+}
+
+BOOL kQNIsHttp2(NSString * _Nullable httpVersion) {
+    return [httpVersion isEqualToString:kQNHttpVersion2];
+}

Pods/Qiniu/QiniuSDK/Http/Request/QNRequestClient.h

@@ -0,0 +1,30 @@
+//
+//  QNRequestClient.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/29.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNUploadRequestMetrics.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef void (^QNRequestClientCompleteHandler)(NSURLResponse * _Nullable, QNUploadSingleRequestMetrics * _Nullable, NSData * _Nullable, NSError * _Nullable);
+
+@protocol QNRequestClient <NSObject>
+
+// client 标识
+@property(nonatomic,  copy, readonly)NSString *clientId;
+
+- (void)request:(NSURLRequest *)request
+         server:(_Nullable id <QNUploadServer>)server
+connectionProxy:(NSDictionary * _Nullable)connectionProxy
+       progress:(void(^ _Nullable)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+       complete:(_Nullable QNRequestClientCompleteHandler)complete;
+
+- (void)cancel;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/QNRequestTransaction.h

@@ -0,0 +1,102 @@
+//
+//  QNRequestTransaction.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/30.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "QNUploadRegionInfo.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class QNUpToken, QNConfiguration, QNUploadOption, QNResponseInfo, QNUploadRegionRequestMetrics;
+
+typedef void(^QNRequestTransactionCompleteHandler)(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response);
+
+// 单个对象只能执行一个事务，多个事务需要创建多个事务对象完成
+@interface QNRequestTransaction : NSObject
+
+//MARK:-- 构造方法
+- (instancetype)initWithHosts:(NSArray <NSString *> *)hosts
+                     regionId:(NSString * _Nullable)regionId
+                        token:(QNUpToken *)token;
+
+//MARK:-- upload事务构造方法 选择
+- (instancetype)initWithConfig:(QNConfiguration *)config
+                  uploadOption:(QNUploadOption *)uploadOption
+                  targetRegion:(id <QNUploadRegion>)targetRegion
+                 currentRegion:(id <QNUploadRegion>)currentRegion
+                           key:(NSString * _Nullable)key
+                         token:(QNUpToken *)token;
+- (instancetype)initWithConfig:(QNConfiguration *)config
+                  uploadOption:(QNUploadOption *)uploadOption
+                         hosts:(NSArray <NSString *> *)hosts
+                      regionId:(NSString * _Nullable)regionId
+                           key:(NSString * _Nullable)key
+                         token:(QNUpToken *)token;
+
+- (void)queryUploadHosts:(QNRequestTransactionCompleteHandler)complete;
+
+- (void)uploadFormData:(NSData *)data
+              fileName:(NSString *)fileName
+              progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+              complete:(QNRequestTransactionCompleteHandler)complete;
+
+- (void)makeBlock:(long long)blockOffset
+        blockSize:(long long)blockSize
+   firstChunkData:(NSData *)firstChunkData
+         progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+         complete:(QNRequestTransactionCompleteHandler)complete;
+
+- (void)uploadChunk:(NSString *)blockContext
+        blockOffset:(long long)blockOffset
+          chunkData:(NSData *)chunkData
+        chunkOffset:(long long)chunkOffset
+           progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+           complete:(QNRequestTransactionCompleteHandler)complete;
+
+- (void)makeFile:(long long)fileSize
+        fileName:(NSString *)fileName
+   blockContexts:(NSArray <NSString *> *)blockContexts
+        complete:(QNRequestTransactionCompleteHandler)complete;
+
+
+- (void)initPart:(QNRequestTransactionCompleteHandler)complete;
+
+- (void)uploadPart:(NSString *)uploadId
+         partIndex:(NSInteger)partIndex
+          partData:(NSData *)partData
+          progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+          complete:(QNRequestTransactionCompleteHandler)complete;
+
+/**
+ * partInfoArray
+ *         |_ NSDictionary : { "etag": "<Etag>", "partNumber": <PartNumber> }
+ */
+- (void)completeParts:(NSString *)fileName
+             uploadId:(NSString *)uploadId
+        partInfoArray:(NSArray <NSDictionary *> *)partInfoArray
+             complete:(QNRequestTransactionCompleteHandler)complete;
+
+/**
+ * 上传日志
+ */
+- (void)reportLog:(NSData *)logData
+      logClientId:(NSString *)logClientId
+         complete:(QNRequestTransactionCompleteHandler)complete;
+
+/**
+ * 获取服务端配置
+ */
+- (void)serverConfig:(QNRequestTransactionCompleteHandler)complete;
+
+/**
+ * 获取服务端针对某个用户的配置
+ */
+- (void)serverUserConfig:(QNRequestTransactionCompleteHandler)complete;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/QNRequestTransaction.m

@@ -0,0 +1,545 @@
+//
+//  QNRequestTransaction.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/30.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNRequestTransaction.h"
+
+#import "QNDefine.h"
+#import "QNUtils.h"
+#import "QNCrc32.h"
+#import "NSData+QNMD5.h"
+#import "QNUrlSafeBase64.h"
+#import "QNUpToken.h"
+#import "QNConfiguration.h"
+#import "QNUploadOption.h"
+#import "QNZoneInfo.h"
+#import "QNUserAgent.h"
+#import "QNResponseInfo.h"
+#import "QNUploadRequestState.h"
+#import "QNUploadRequestMetrics.h"
+
+#import "QNUploadDomainRegion.h"
+#import "QNHttpRegionRequest.h"
+
+@interface QNRequestTransaction()
+
+@property(nonatomic, strong)QNConfiguration *config;
+@property(nonatomic, strong)QNUploadOption *uploadOption;
+@property(nonatomic,   copy)NSString *key;
+@property(nonatomic, strong)QNUpToken *token;
+
+@property(nonatomic, strong)QNUploadRequestInfo *requestInfo;
+@property(nonatomic, strong)QNUploadRequestState *requestState;
+@property(nonatomic, strong)QNHttpRegionRequest *regionRequest;
+
+@end
+@implementation QNRequestTransaction
+
+- (instancetype)initWithHosts:(NSArray <NSString *> *)hosts
+                     regionId:(NSString * _Nullable)regionId
+                        token:(QNUpToken *)token{
+    return [self initWithConfig:[QNConfiguration defaultConfiguration]
+                   uploadOption:[QNUploadOption defaultOptions]
+                          hosts:hosts
+                       regionId:regionId
+                            key:nil
+                          token:token];
+}
+
+- (instancetype)initWithConfig:(QNConfiguration *)config
+                  uploadOption:(QNUploadOption *)uploadOption
+                         hosts:(NSArray <NSString *> *)hosts
+                      regionId:(NSString * _Nullable)regionId
+                           key:(NSString * _Nullable)key
+                         token:(nonnull QNUpToken *)token{
+    
+    QNUploadDomainRegion *region = [[QNUploadDomainRegion alloc] init];
+    [region setupRegionData:[QNZoneInfo zoneInfoWithMainHosts:hosts regionId:regionId]];
+    return [self initWithConfig:config
+                   uploadOption:uploadOption
+                   targetRegion:region
+                  currentRegion:region
+                            key:key
+                          token:token];
+}
+
+- (instancetype)initWithConfig:(QNConfiguration *)config
+                  uploadOption:(QNUploadOption *)uploadOption
+                  targetRegion:(id <QNUploadRegion>)targetRegion
+                 currentRegion:(id <QNUploadRegion>)currentRegion
+                           key:(NSString *)key
+                         token:(QNUpToken *)token{
+    if (self = [super init]) {
+        _config = config;
+        _uploadOption = uploadOption;
+        _requestState = [[QNUploadRequestState alloc] init];
+        _key = key;
+        _token = token;
+        _requestInfo = [[QNUploadRequestInfo alloc] init];
+        _requestInfo.targetRegionId = targetRegion.zoneInfo.regionId;
+        _requestInfo.currentRegionId = currentRegion.zoneInfo.regionId;
+        _requestInfo.bucket = token.bucket;
+        _requestInfo.key = key;
+        _regionRequest = [[QNHttpRegionRequest alloc] initWithConfig:config
+                                                        uploadOption:uploadOption
+                                                               token:token
+                                                              region:currentRegion
+                                                         requestInfo:_requestInfo
+                                                        requestState:_requestState];
+    }
+    return self;
+}
+
+//MARK: -- uc query
+- (void)queryUploadHosts:(QNRequestTransactionCompleteHandler)complete{
+    
+    self.requestInfo.requestType = QNUploadRequestTypeUCQuery;
+    
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        return (BOOL)!responseInfo.isOK;
+    };
+    
+    NSDictionary *header = @{@"User-Agent" : [kQNUserAgent getUserAgent:self.token.token]};
+    NSString *action = [NSString stringWithFormat:@"/v4/query?ak=%@&bucket=%@&sdk_name=%@&sdk_version=%@", self.token.access, self.token.bucket, [QNUtils sdkLanguage], [QNUtils sdkVersion]];
+    [self.regionRequest get:action
+                    headers:header
+                shouldRetry:shouldRetry
+                   complete:complete];
+}
+
+//MARK: -- upload form
+- (void)uploadFormData:(NSData *)data
+              fileName:(NSString *)fileName
+              progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+              complete:(QNRequestTransactionCompleteHandler)complete{
+
+    self.requestInfo.requestType = QNUploadRequestTypeForm;
+    
+    NSMutableDictionary *param = [NSMutableDictionary dictionary];
+    if (self.uploadOption.params) {
+        [param addEntriesFromDictionary:self.uploadOption.params];
+    }
+    if (self.uploadOption.metaDataParam) {
+        [param addEntriesFromDictionary:self.uploadOption.metaDataParam];
+    }
+    if (self.key && self.key.length > 0) {
+        param[@"key"] = self.key;
+    }
+    param[@"token"] = self.token.token ?: @"";
+    if (self.uploadOption.checkCrc) {
+        param[@"crc32"] = [NSString stringWithFormat:@"%u", (unsigned int)[QNCrc32 data:data]];
+    }
+    
+    NSString *boundary = @"werghnvt54wef654rjuhgb56trtg34tweuyrgf";
+    NSString *disposition = @"Content-Disposition: form-data";
+    
+    NSMutableData *body = [NSMutableData data];
+    @try {
+        for (NSString *paramsKey in param) {
+            NSString *pair = [NSString stringWithFormat:@"--%@\r\n%@; name=\"%@\"\r\n\r\n", boundary, disposition, paramsKey];
+            [body appendData:[pair dataUsingEncoding:NSUTF8StringEncoding]];
+
+            id value = [param objectForKey:paramsKey];
+            if ([value isKindOfClass:[NSString class]]) {
+                [body appendData:[value dataUsingEncoding:NSUTF8StringEncoding]];
+            } else if ([value isKindOfClass:[NSData class]]) {
+                [body appendData:value];
+            }
+            [body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
+        }
+    
+        fileName = [QNUtils formEscape:fileName];
+    
+        NSString *filePair = [NSString stringWithFormat:@"--%@\r\n%@; name=\"%@\"; filename=\"%@\"\nContent-Type:%@\r\n\r\n", boundary, disposition, @"file", fileName, self.uploadOption.mimeType];
+        [body appendData:[filePair dataUsingEncoding:NSUTF8StringEncoding]];
+    
+        [body appendData:data];
+        [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
+    } @catch (NSException *exception) {
+        if (complete) {
+            QNResponseInfo *info = [QNResponseInfo responseInfoWithLocalIOError:[NSString stringWithFormat:@"%@", exception]];
+            QNUploadRegionRequestMetrics *metrics = [QNUploadRegionRequestMetrics emptyMetrics];
+            complete(info, metrics, nil);
+        }
+        return;
+    }
+    
+    
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"Content-Type"] = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
+    header[@"Content-Length"] = [NSString stringWithFormat:@"%lu", (unsigned long)body.length];
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        return (BOOL)!responseInfo.isOK;
+    };
+    
+    [self.regionRequest post:nil
+                     headers:header
+                        body:body
+                 shouldRetry:shouldRetry
+                    progress:progress
+                    complete:complete];
+}
+
+//MARK: -- 分块上传
+- (void)makeBlock:(long long)blockOffset
+        blockSize:(long long)blockSize
+   firstChunkData:(NSData *)firstChunkData
+         progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+         complete:(QNRequestTransactionCompleteHandler)complete{
+    
+    self.requestInfo.requestType = QNUploadRequestTypeMkblk;
+    self.requestInfo.fileOffset = @(blockOffset);
+    
+    NSString *token = [NSString stringWithFormat:@"UpToken %@", self.token.token];
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"Authorization"] = token;
+    header[@"Content-Type"] = @"application/octet-stream";
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    
+    NSString *action = [NSString stringWithFormat:@"/mkblk/%u", (unsigned int)blockSize];
+    
+    NSString *chunkCrc = [NSString stringWithFormat:@"%u", (unsigned int)[QNCrc32 data:firstChunkData]];
+    
+    kQNWeakSelf;
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        kQNStrongSelf;
+        
+        NSString *ctx = response[@"ctx"];
+        NSString *crcServer = [NSString stringWithFormat:@"%@", response[@"crc32"]];
+        return (BOOL)(responseInfo.isOK == false || (responseInfo.isOK && (!ctx || (self.uploadOption.checkCrc && ![chunkCrc isEqualToString:crcServer]))));
+    };
+    
+    [self.regionRequest post:action
+                     headers:header
+                        body:firstChunkData
+                 shouldRetry:shouldRetry
+                    progress:progress
+                    complete:complete];
+}
+
+- (void)uploadChunk:(NSString *)blockContext
+        blockOffset:(long long)blockOffset
+          chunkData:(NSData *)chunkData
+        chunkOffset:(long long)chunkOffset
+           progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+           complete:(QNRequestTransactionCompleteHandler)complete{
+    
+    self.requestInfo.requestType = QNUploadRequestTypeBput;
+    self.requestInfo.fileOffset = @(blockOffset + chunkOffset);
+    
+    NSString *token = [NSString stringWithFormat:@"UpToken %@", self.token.token];
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"Authorization"] = token;
+    header[@"Content-Type"] = @"application/octet-stream";
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    
+    NSString *action = [NSString stringWithFormat:@"/bput/%@/%lld", blockContext,  chunkOffset];
+    
+    NSString *chunkCrc = [NSString stringWithFormat:@"%u", (unsigned int)[QNCrc32 data:chunkData]];
+    
+    kQNWeakSelf;
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        kQNStrongSelf;
+        
+        NSString *ctx = response[@"ctx"];
+        NSString *crcServer = [NSString stringWithFormat:@"%@", response[@"crc32"]];
+        return (BOOL)(responseInfo.isOK == false || (responseInfo.isOK && (!ctx || (self.uploadOption.checkCrc && ![chunkCrc isEqualToString:crcServer]))));
+    };
+    
+    [self.regionRequest post:action
+                     headers:header
+                      body:chunkData
+                 shouldRetry:shouldRetry
+                    progress:progress
+                    complete:complete];
+}
+
+- (void)makeFile:(long long)fileSize
+        fileName:(NSString *)fileName
+   blockContexts:(NSArray <NSString *> *)blockContexts
+        complete:(QNRequestTransactionCompleteHandler)complete{
+    
+    self.requestInfo.requestType = QNUploadRequestTypeMkfile;
+    
+    NSString *token = [NSString stringWithFormat:@"UpToken %@", self.token.token];
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"Authorization"] = token;
+    header[@"Content-Type"] = @"application/octet-stream";
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    
+    NSString *mimeType = [[NSString alloc] initWithFormat:@"/mimeType/%@", [QNUrlSafeBase64 encodeString:self.uploadOption.mimeType]];
+
+    __block NSString *action = [[NSString alloc] initWithFormat:@"/mkfile/%lld%@", fileSize, mimeType];
+
+    if (self.key != nil) {
+        NSString *keyStr = [[NSString alloc] initWithFormat:@"/key/%@", [QNUrlSafeBase64 encodeString:self.key]];
+        action = [NSString stringWithFormat:@"%@%@", action, keyStr];
+    }
+
+    [self.uploadOption.params enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *obj, BOOL *stop) {
+        action = [NSString stringWithFormat:@"%@/%@/%@", action, key, [QNUrlSafeBase64 encodeString:obj]];
+    }];
+    
+    [self.uploadOption.metaDataParam enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *obj, BOOL *stop) {
+        action = [NSString stringWithFormat:@"%@/%@/%@", action, key, [QNUrlSafeBase64 encodeString:obj]];
+    }];
+
+    //添加路径
+    NSString *fname = [[NSString alloc] initWithFormat:@"/fname/%@", [QNUrlSafeBase64 encodeString:fileName]];
+    action = [NSString stringWithFormat:@"%@%@", action, fname];
+
+    NSMutableData *body = [NSMutableData data];
+    NSString *bodyString = [blockContexts componentsJoinedByString:@","];
+    [body appendData:[bodyString dataUsingEncoding:NSUTF8StringEncoding]];
+    
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        return (BOOL)(!responseInfo.isOK);
+    };
+    
+    [self.regionRequest post:action
+                     headers:header
+                        body:body
+                 shouldRetry:shouldRetry
+                    progress:nil
+                    complete:complete];
+}
+
+
+- (void)initPart:(QNRequestTransactionCompleteHandler)complete{
+    
+    self.requestInfo.requestType = QNUploadRequestTypeInitParts;
+    
+    NSString *token = [NSString stringWithFormat:@"UpToken %@", self.token.token];
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"Authorization"] = token;
+    header[@"Content-Type"] = @"application/octet-stream";
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+
+    NSString *buckets = [[NSString alloc] initWithFormat:@"/buckets/%@", self.token.bucket];
+    NSString *objects = [[NSString alloc] initWithFormat:@"/objects/%@", [self resumeV2EncodeKey:self.key]];;
+    NSString *action  = [[NSString alloc] initWithFormat:@"%@%@/uploads", buckets, objects];
+
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        return (BOOL)(!responseInfo.isOK);
+    };
+    
+    [self.regionRequest post:action
+                     headers:header
+                        body:nil
+                 shouldRetry:shouldRetry
+                    progress:nil
+                    complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+
+        complete(responseInfo, metrics, response);
+    }];
+}
+
+- (void)uploadPart:(NSString *)uploadId
+         partIndex:(NSInteger)partIndex
+          partData:(NSData *)partData
+          progress:(void(^)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+          complete:(QNRequestTransactionCompleteHandler)complete{
+    
+    self.requestInfo.requestType = QNUploadRequestTypeUploadPart;
+    
+    NSString *token = [NSString stringWithFormat:@"UpToken %@", self.token.token];
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"Authorization"] = token;
+    header[@"Content-Type"] = @"application/octet-stream";
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    if (self.uploadOption.checkCrc) {
+        NSString *md5 = [[partData qn_md5] lowercaseString];
+        if (md5) {
+            header[@"Content-MD5"] = md5;
+        }
+    }
+    NSString *buckets = [[NSString alloc] initWithFormat:@"/buckets/%@", self.token.bucket];
+    NSString *objects = [[NSString alloc] initWithFormat:@"/objects/%@", [self resumeV2EncodeKey:self.key]];;
+    NSString *uploads = [[NSString alloc] initWithFormat:@"/uploads/%@", uploadId];
+    NSString *partNumber = [[NSString alloc] initWithFormat:@"/%ld", (long)partIndex];
+    NSString *action = [[NSString alloc] initWithFormat:@"%@%@%@%@", buckets, objects, uploads, partNumber];
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        NSString *etag = [NSString stringWithFormat:@"%@", response[@"etag"]];
+        NSString *serverMD5 = [NSString stringWithFormat:@"%@", response[@"md5"]];
+        return (BOOL)(!responseInfo.isOK || !etag || !serverMD5);
+    };
+    
+    [self.regionRequest put:action
+                    headers:header
+                       body:partData
+                shouldRetry:shouldRetry
+                   progress:progress
+                   complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+
+        complete(responseInfo, metrics, response);
+    }];
+}
+
+- (void)completeParts:(NSString *)fileName
+             uploadId:(NSString *)uploadId
+        partInfoArray:(NSArray <NSDictionary *> *)partInfoArray
+             complete:(QNRequestTransactionCompleteHandler)complete{
+    
+    self.requestInfo.requestType = QNUploadRequestTypeCompletePart;
+    
+    if (!partInfoArray || partInfoArray.count == 0) {
+        QNResponseInfo *responseInfo = [QNResponseInfo responseInfoWithInvalidArgument:@"partInfoArray"];
+        if (complete) {
+            complete(responseInfo, nil, responseInfo.responseDictionary);
+        }
+        return;
+    }
+    
+    NSString *token = [NSString stringWithFormat:@"UpToken %@", self.token.token];
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"Authorization"] = token;
+    header[@"Content-Type"] = @"application/json";
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    
+    NSString *buckets = [[NSString alloc] initWithFormat:@"/buckets/%@", self.token.bucket];
+    NSString *objects = [[NSString alloc] initWithFormat:@"/objects/%@", [self resumeV2EncodeKey:self.key]];
+    NSString *uploads = [[NSString alloc] initWithFormat:@"/uploads/%@", uploadId];
+    
+    NSString *action = [[NSString alloc] initWithFormat:@"%@%@%@", buckets, objects, uploads];
+
+    NSMutableDictionary *bodyDictionary = [NSMutableDictionary dictionary];
+    if (partInfoArray) {
+        bodyDictionary[@"parts"] = partInfoArray;
+    }
+    if (fileName) {
+        bodyDictionary[@"fname"] = fileName;
+    }
+    if (self.uploadOption.mimeType) {
+        bodyDictionary[@"mimeType"] = self.uploadOption.mimeType;
+    }
+    if (self.uploadOption.params) {
+        bodyDictionary[@"customVars"] = self.uploadOption.params;
+    }
+    if (self.uploadOption.metaDataParam) {
+        bodyDictionary[@"metaData"] = self.uploadOption.metaDataParam;
+    }
+    
+    NSError *error = nil;
+    NSData *body = [NSJSONSerialization dataWithJSONObject:bodyDictionary
+                                                   options:NSJSONWritingPrettyPrinted
+                                                     error:&error];
+    if (error) {
+        QNResponseInfo *responseInfo = [QNResponseInfo responseInfoWithLocalIOError:error.description];
+        if (complete) {
+            complete(responseInfo, nil, responseInfo.responseDictionary);
+        }
+        return;
+    }
+    
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        return (BOOL)(!responseInfo.isOK);
+    };
+    
+    [self.regionRequest post:action
+                     headers:header
+                        body:body
+                 shouldRetry:shouldRetry
+                    progress:nil
+                    complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+
+        complete(responseInfo, metrics, response);
+    }];
+}
+
+- (void)reportLog:(NSData *)logData
+      logClientId:(NSString *)logClientId
+         complete:(QNRequestTransactionCompleteHandler)complete {
+    
+    self.requestInfo.requestType = QNUploadRequestTypeUpLog;
+    NSString *token = [NSString stringWithFormat:@"UpToken %@", self.token.token];
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"Authorization"] = token;
+    header[@"Content-Type"] = @"application/json";
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    
+    NSString *action = @"/log/4?compressed=gzip";
+    
+    if (logClientId) {
+        header[@"X-Log-Client-Id"] = logClientId;
+    }
+    
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        return (BOOL)(!responseInfo.isOK);
+    };
+    
+    [self.regionRequest post:action
+                     headers:header
+                        body:logData
+                 shouldRetry:shouldRetry
+                    progress:nil
+                    complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+
+        complete(responseInfo, metrics, response);
+    }];
+}
+
+- (void)serverConfig:(QNRequestTransactionCompleteHandler)complete {
+    
+    self.requestInfo.requestType = QNUploadRequestTypeServerConfig;
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    
+    NSString *action = [NSString stringWithFormat:@"/v1/sdk/config?sdk_name=%@&sdk_version=%@", [QNUtils sdkLanguage], [QNUtils sdkVersion]];
+    
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        return (BOOL)(!responseInfo.isOK);
+    };
+    
+    [self.regionRequest post:action
+                     headers:header
+                        body:nil
+                 shouldRetry:shouldRetry
+                    progress:nil
+                    complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+
+        complete(responseInfo, metrics, response);
+    }];
+}
+
+- (void)serverUserConfig:(QNRequestTransactionCompleteHandler)complete {
+    
+    self.requestInfo.requestType = QNUploadRequestTypeServerUserConfig;
+    NSMutableDictionary *header = [NSMutableDictionary dictionary];
+    header[@"User-Agent"] = [kQNUserAgent getUserAgent:self.token.token];
+    
+    NSString *action = [NSString stringWithFormat:@"/v1/sdk/config/user?ak=%@&sdk_name=%@&sdk_version=%@", self.token.access, [QNUtils sdkLanguage], [QNUtils sdkVersion]];
+    
+    BOOL (^shouldRetry)(QNResponseInfo *, NSDictionary *) = ^(QNResponseInfo * responseInfo, NSDictionary * response){
+        return (BOOL)(!responseInfo.isOK);
+    };
+    
+    [self.regionRequest post:action
+                     headers:header
+                        body:nil
+                 shouldRetry:shouldRetry
+                    progress:nil
+                    complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+
+        complete(responseInfo, metrics, response);
+    }];
+}
+
+- (NSString *)resumeV2EncodeKey:(NSString *)key{
+    NSString *encodeKey = nil;
+    if (!self.key) {
+        encodeKey = @"~";
+    } else if (self.key.length == 0) {
+        encodeKey = @"";
+    } else {
+        encodeKey = [QNUrlSafeBase64 encodeString:self.key];
+    }
+    return encodeKey;
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/Request/QNUploadRegionInfo.h

@@ -0,0 +1,30 @@
+//
+//  QNUploadRegion.h
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/4/30.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNIUploadServer.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class QNZoneInfo, QNUploadRequestState, QNResponseInfo;
+
+@protocol QNUploadRegion <NSObject>
+
+@property(nonatomic, assign, readonly)BOOL isValid;
+@property(nonatomic, strong, nullable, readonly)QNZoneInfo *zoneInfo;
+
+- (void)setupRegionData:(QNZoneInfo * _Nullable)zoneInfo;
+
+- (id<QNUploadServer> _Nullable)getNextServer:(QNUploadRequestState *)requestState
+                                 responseInfo:(QNResponseInfo *)responseInfo
+                                 freezeServer:(id <QNUploadServer> _Nullable)freezeServer;
+
+- (void)updateIpListFormHost:(NSString *)host;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/QNUploadRequestInfo.h

@@ -0,0 +1,45 @@
+//
+//  QNUploadRequestInfo.h
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/5/13.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUploadRequestInfo : NSObject
+
+/// 当前请求的类型
+@property(nonatomic,   copy, nullable)NSString *requestType;
+
+/// 上传的bucket
+@property(nonatomic,   copy, nullable)NSString *bucket;
+/// 上传的key
+@property(nonatomic,   copy, nullable)NSString *key;
+/// 上传数据的偏移量
+@property(nonatomic, strong, nullable)NSNumber *fileOffset;
+/// 上传的目标region
+@property(nonatomic,   copy, nullable)NSString *targetRegionId;
+/// 当前上传的region
+@property(nonatomic,   copy, nullable)NSString *currentRegionId;
+
+- (BOOL)shouldReportRequestLog;
+
+@end
+
+extern NSString *const QNUploadRequestTypeUCQuery;
+extern NSString *const QNUploadRequestTypeForm;
+extern NSString *const QNUploadRequestTypeMkblk;
+extern NSString *const QNUploadRequestTypeBput;
+extern NSString *const QNUploadRequestTypeMkfile;
+extern NSString *const QNUploadRequestTypeInitParts;
+extern NSString *const QNUploadRequestTypeUploadPart;
+extern NSString *const QNUploadRequestTypeCompletePart;
+extern NSString *const QNUploadRequestTypeServerConfig;
+extern NSString *const QNUploadRequestTypeServerUserConfig;
+extern NSString *const QNUploadRequestTypeUpLog;
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/Request/QNUploadRequestInfo.m

@@ -0,0 +1,29 @@
+//
+//  QNUploadRequestInfo.m
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/5/13.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNUploadRequestInfo.h"
+
+@implementation QNUploadRequestInfo
+
+- (BOOL)shouldReportRequestLog{
+    return ![self.requestType isEqualToString:QNUploadRequestTypeUpLog];
+}
+
+@end
+
+NSString * const QNUploadRequestTypeUCQuery = @"uc_query";
+NSString * const QNUploadRequestTypeForm = @"form";
+NSString * const QNUploadRequestTypeMkblk = @"mkblk";
+NSString * const QNUploadRequestTypeBput = @"bput";
+NSString * const QNUploadRequestTypeMkfile = @"mkfile";
+NSString * const QNUploadRequestTypeInitParts = @"init_parts";
+NSString * const QNUploadRequestTypeUploadPart = @"upload_part";
+NSString * const QNUploadRequestTypeCompletePart = @"complete_part";
+NSString * const QNUploadRequestTypeServerConfig = @"server_config";
+NSString * const QNUploadRequestTypeServerUserConfig = @"server_user_config";
+NSString * const QNUploadRequestTypeUpLog = @"uplog";

Pods/Qiniu/QiniuSDK/Http/ServerRegion/QNUploadDomainRegion.h

@@ -0,0 +1,21 @@
+//
+//  QNUploadServerDomainResolver.h
+//  AppTest
+//
+//  Created by yangsen on 2020/4/23.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import "QNUploadRegionInfo.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class QNConfiguration;
+
+@interface QNUploadDomainRegion : NSObject <QNUploadRegion>
+
+- (instancetype)initWithConfig:(QNConfiguration *)config;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/ServerRegion/QNUploadDomainRegion.m

@@ -0,0 +1,444 @@
+//
+//  QNUploadServerDomainResolver.m
+//  AppTest
+//
+//  Created by yangsen on 2020/4/23.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import "QNUploadRequestState.h"
+#import "QNUploadDomainRegion.h"
+#import "QNResponseInfo.h"
+#import "QNUploadServer.h"
+#import "QNZoneInfo.h"
+#import "QNUploadServerFreezeUtil.h"
+#import "QNUploadServerFreezeManager.h"
+#import "QNDnsPrefetch.h"
+#import "QNLogUtil.h"
+#import "QNUtils.h"
+#import "QNDefine.h"
+#import "QNUploadServerNetworkStatus.h"
+
+@interface QNUploadIpGroup : NSObject
+@property(nonatomic, assign)int ipIndex;
+@property(nonatomic,   copy, readonly)NSString *groupType;
+@property(nonatomic, strong, readonly)NSArray <id <QNIDnsNetworkAddress> > *ipList;
+@end
+@implementation QNUploadIpGroup
+- (instancetype)initWithGroupType:(NSString *)groupType
+                           ipList:(NSArray <id <QNIDnsNetworkAddress> > *)ipList{
+    if (self = [super init]) {
+        _groupType = groupType;
+        _ipList = ipList;
+        _ipIndex = -1;
+    }
+    return self;
+}
+- (id <QNIDnsNetworkAddress>)getServerIP{
+    if (!self.ipList || self.ipList.count == 0) {
+        return nil;
+    } else {
+        if (_ipIndex < 0 || _ipIndex > (self.ipList.count - 1)) {
+            _ipIndex = arc4random()%self.ipList.count;
+        }
+        return self.ipList[_ipIndex];
+    }
+}
+@end
+
+@interface QNUploadServerDomain: NSObject
+@property(nonatomic,   copy)NSString *host;
+@property(nonatomic, strong)NSArray <QNUploadIpGroup *> *ipGroupList;
+@end
+@implementation QNUploadServerDomain
+
++ (QNUploadServerDomain *)domain:(NSString *)host{
+    QNUploadServerDomain *domain = [[QNUploadServerDomain alloc] init];
+    domain.host = host;
+    return domain;
+}
+
+- (QNUploadServer *)getServerWithCondition:(BOOL(^)(NSString *host, QNUploadServer *server, QNUploadServer *filterServer))condition {
+
+    @synchronized (self) {
+        if (!self.ipGroupList || self.ipGroupList.count == 0) {
+            [self createIpGroupList];
+        }
+    }
+    
+    QNUploadServer *server = nil;
+    
+    // Host解析出IP时:
+    if (self.ipGroupList && self.ipGroupList.count > 0) {
+        for (QNUploadIpGroup *ipGroup in self.ipGroupList) {
+            
+            id <QNIDnsNetworkAddress> inetAddress = [ipGroup getServerIP];
+            QNUploadServer *filterServer = [QNUploadServer server:self.host
+                                                               ip:inetAddress.ipValue
+                                                           source:inetAddress.sourceValue
+                                                 ipPrefetchedTime:inetAddress.timestampValue];
+            if (condition == nil || condition(self.host, server, filterServer)) {
+                server = filterServer;
+            }
+            
+            if (condition == nil) {
+                break;
+            }
+        }
+        return server;
+    }
+    
+    // Host未解析出IP时:
+    QNUploadServer *hostServer = [QNUploadServer server:self.host
+                                                     ip:nil
+                                                 source:nil
+                                       ipPrefetchedTime:nil];
+    if (condition == nil || condition(self.host, nil, hostServer)) {
+        // 未解析时，没有可比性，直接返回自身，自身即为最优
+        server = hostServer;
+    }
+    
+    return server;
+}
+
+- (QNUploadServer *)getOneServer{
+    if (!self.host || self.host.length == 0) {
+        return nil;
+    }
+    if (self.ipGroupList && self.ipGroupList.count > 0) {
+        NSInteger index = arc4random()%self.ipGroupList.count;
+        QNUploadIpGroup *ipGroup = self.ipGroupList[index];
+        id <QNIDnsNetworkAddress> inetAddress = [ipGroup getServerIP];
+        QNUploadServer *server = [QNUploadServer server:self.host ip:inetAddress.ipValue source:inetAddress.sourceValue ipPrefetchedTime:inetAddress.timestampValue];;
+        return server;
+    } else {
+        return [QNUploadServer server:self.host ip:nil source:nil ipPrefetchedTime:nil];
+    }
+}
+
+- (void)clearIpGroupList {
+    @synchronized (self) {
+        self.ipGroupList = nil;
+    }
+}
+
+- (void)createIpGroupList {
+
+    @synchronized (self) {
+        if (self.ipGroupList && self.ipGroupList.count > 0) {
+            return;
+        }
+        
+        // get address List of host
+        NSArray *inetAddresses = [kQNDnsPrefetch getInetAddressByHost:self.host];
+        if (!inetAddresses || inetAddresses.count == 0) {
+            return;
+        }
+        
+        // address List to ipList of group & check ip network
+        NSMutableDictionary *ipGroupInfos = [NSMutableDictionary dictionary];
+        for (id <QNIDnsNetworkAddress> inetAddress in inetAddresses) {
+            NSString *ipValue = inetAddress.ipValue;
+            NSString *groupType = [QNUtils getIpType:ipValue host:self.host];
+            if (groupType) {
+                NSMutableArray *ipList = ipGroupInfos[groupType] ?: [NSMutableArray array];
+                [ipList addObject:inetAddress];
+                ipGroupInfos[groupType] = ipList;
+            }
+        }
+        
+        // ipList of group to ipGroup List
+        NSMutableArray *ipGroupList = [NSMutableArray array];
+        for (NSString *groupType in ipGroupInfos.allKeys) {
+            NSArray *ipList = ipGroupInfos[groupType];
+            QNUploadIpGroup *ipGroup = [[QNUploadIpGroup alloc] initWithGroupType:groupType ipList:ipList];
+            [ipGroupList addObject:ipGroup];
+        }
+        
+        self.ipGroupList = ipGroupList;
+    }
+}
+
+@end
+
+
+@interface QNUploadDomainRegion()
+
+// 是否支持http3
+@property(nonatomic, assign)BOOL http3Enabled;
+
+// 是否冻结过Host，PS：如果没有冻结过 Host,则当前 Region 上传也就不会有错误信息，可能会返回-9，所以必须要再进行一次尝试
+@property(atomic   , assign)BOOL hasFreezeHost;
+@property(atomic   , assign)BOOL isAllFrozen;
+@property(atomic   , assign)BOOL enableAccelerateUpload;
+// 局部http2冻结管理对象
+@property(nonatomic, strong)QNUploadServerFreezeManager *partialHttp2Freezer;
+@property(nonatomic, strong)QNUploadServerFreezeManager *partialHttp3Freezer;
+@property(nonatomic, strong)NSArray <NSString *> *accDomainHostList;
+@property(nonatomic, strong)NSDictionary <NSString *, QNUploadServerDomain *> *accDomainDictionary;
+@property(nonatomic, strong)NSArray <NSString *> *domainHostList;
+@property(nonatomic, strong)NSDictionary <NSString *, QNUploadServerDomain *> *domainDictionary;
+@property(nonatomic, strong)NSArray <NSString *> *oldDomainHostList;
+@property(nonatomic, strong)NSDictionary <NSString *, QNUploadServerDomain *> *oldDomainDictionary;
+
+@property(nonatomic, strong, nullable)QNZoneInfo *zoneInfo;
+@end
+@implementation QNUploadDomainRegion
+
+- (instancetype)initWithConfig:(QNConfiguration *)config {
+    if (self = [super init]) {
+        if (config) {
+            self.enableAccelerateUpload = config.accelerateUploading;
+        }
+    }
+    return self;
+}
+
+- (BOOL)isValid{
+    return !self.isAllFrozen &&
+    ((self.enableAccelerateUpload && self.accDomainHostList > 0) ||
+     self.domainHostList.count > 0 || self.oldDomainHostList.count > 0);
+}
+
+- (void)setupRegionData:(QNZoneInfo *)zoneInfo{
+    _zoneInfo = zoneInfo;
+    
+    self.isAllFrozen = NO;
+    self.hasFreezeHost = NO;
+    self.http3Enabled = zoneInfo.http3Enabled;
+    // 暂时屏蔽
+    self.http3Enabled = false;
+    
+    NSMutableArray *serverGroups = [NSMutableArray array];
+    NSMutableArray *accDomainHostList = [NSMutableArray array];
+    if (zoneInfo.acc_domains) {
+        [serverGroups addObjectsFromArray:zoneInfo.acc_domains];
+        [accDomainHostList addObjectsFromArray:zoneInfo.acc_domains];
+    }
+    self.accDomainHostList = accDomainHostList;
+    self.accDomainDictionary = [self createDomainDictionary:serverGroups];
+    
+    
+    [serverGroups removeAllObjects];
+    NSMutableArray *domainHostList = [NSMutableArray array];
+    if (zoneInfo.domains) {
+        [serverGroups addObjectsFromArray:zoneInfo.domains];
+        [domainHostList addObjectsFromArray:zoneInfo.domains];
+    }
+    self.domainHostList = domainHostList;
+    self.domainDictionary = [self createDomainDictionary:serverGroups];
+    
+    [serverGroups removeAllObjects];
+    NSMutableArray *oldDomainHostList = [NSMutableArray array];
+    if (zoneInfo.old_domains) {
+        [serverGroups addObjectsFromArray:zoneInfo.old_domains];
+        [oldDomainHostList addObjectsFromArray:zoneInfo.old_domains];
+    }
+    self.oldDomainHostList = oldDomainHostList;
+    self.oldDomainDictionary = [self createDomainDictionary:serverGroups];
+    
+    QNLogInfo(@"region :%@",domainHostList);
+    QNLogInfo(@"region old:%@",oldDomainHostList);
+}
+
+- (NSDictionary *)createDomainDictionary:(NSArray <NSString *> *)hosts{
+    NSMutableDictionary *domainDictionary = [NSMutableDictionary dictionary];
+    
+    for (NSString *host in hosts) {
+        QNUploadServerDomain *domain = [QNUploadServerDomain domain:host];
+        [domainDictionary setObject:domain forKey:host];
+    }
+    return [domainDictionary copy];
+}
+
+- (void)updateIpListFormHost:(NSString *)host {
+    if (host == nil) {
+        return;
+    }
+    
+    [self.domainDictionary[host] clearIpGroupList];
+    [self.oldDomainDictionary[host] clearIpGroupList];
+}
+
+- (id<QNUploadServer> _Nullable)getNextServer:(QNUploadRequestState *)requestState
+                                 responseInfo:(QNResponseInfo *)responseInfo
+                                 freezeServer:(id <QNUploadServer> _Nullable)freezeServer{
+    if (self.isAllFrozen) {
+        return nil;
+    }
+    
+    [self freezeServerIfNeed:responseInfo freezeServer:freezeServer];
+    
+    BOOL accelerate = YES;
+    @synchronized (self) {
+        if (self.enableAccelerateUpload && responseInfo.isTransferAccelerationConfigureError) {
+            self.enableAccelerateUpload = NO;
+        }
+        accelerate = self.enableAccelerateUpload;
+    }
+    
+    NSMutableArray *hostList = [NSMutableArray array];
+    NSMutableDictionary *domainInfo =  [NSMutableDictionary dictionary];
+    if (requestState.isUseOldServer) {
+        if (self.oldDomainHostList.count > 0 && self.oldDomainDictionary.count > 0) {
+            [hostList addObjectsFromArray:self.oldDomainHostList];
+            [domainInfo addEntriesFromDictionary:self.oldDomainDictionary];
+        }
+    } else {
+        
+        // 优先使用 acc
+        if (accelerate &&
+            self.accDomainHostList.count > 0 &&
+            self.accDomainDictionary.count > 0) {
+            [hostList addObjectsFromArray:self.accDomainHostList];
+            [domainInfo addEntriesFromDictionary:self.accDomainDictionary];
+        }
+        
+        if (self.domainHostList.count > 0 &&
+            self.domainDictionary.count > 0){
+            [hostList addObjectsFromArray:self.domainHostList];
+            [domainInfo addEntriesFromDictionary:self.domainDictionary];
+        }
+    }
+    
+    if (hostList.count == 0 || domainInfo.count == 0) {
+        return nil;
+    }
+    
+    
+    QNUploadServer *server = nil;
+    // 1. 优先使用http3
+    if (self.http3Enabled) {
+        for (NSString *host in hostList) {
+            QNUploadServer *domainServer = [domainInfo[host] getServerWithCondition:^BOOL(NSString *host, QNUploadServer *serverP, QNUploadServer *filterServer) {
+                
+                // 1.1 剔除冻结对象
+                NSString *frozenType = QNUploadFrozenType(host, filterServer.ip);
+                BOOL isFrozen = [QNUploadServerFreezeUtil isType:frozenType
+                                          frozenByFreezeManagers:@[self.partialHttp3Freezer, kQNUploadGlobalHttp3Freezer]];
+                if (isFrozen) {
+                    return NO;
+                }
+                
+                // 1.2 挑选网络状态最优
+                return [QNUploadServerNetworkStatus isServerNetworkBetter:filterServer thanServerB:serverP];
+            }];
+            server = [QNUploadServerNetworkStatus getBetterNetworkServer:server serverB:domainServer];
+            
+            if (server) {
+                break;
+            }
+        }
+        
+        if (server) {
+            server.httpVersion = kQNHttpVersion3;
+            return server;
+        }
+    }
+    
+    
+    // 2. 挑选http2
+    for (NSString *host in hostList) {
+        kQNWeakSelf;
+        QNUploadServer *domainServer = [domainInfo[host] getServerWithCondition:^BOOL(NSString *host, QNUploadServer *serverP, QNUploadServer *filterServer) {
+            kQNStrongSelf;
+            
+            // 2.1 剔除冻结对象
+            NSString *frozenType = QNUploadFrozenType(host, filterServer.ip);
+            BOOL isFrozen = [QNUploadServerFreezeUtil isType:frozenType
+                                      frozenByFreezeManagers:@[self.partialHttp2Freezer, kQNUploadGlobalHttp2Freezer]];
+            if (isFrozen) {
+                return NO;
+            }
+            
+            // 2.2 挑选网络状态最优
+            return [QNUploadServerNetworkStatus isServerNetworkBetter:filterServer thanServerB:serverP];
+        }];
+        server = [QNUploadServerNetworkStatus getBetterNetworkServer:server serverB:domainServer];
+        
+        if (server) {
+            break;
+        }
+    }
+
+    // 3. 无可用 server 且未冻结过 Host 则随机获取一个
+    if (server == nil && !self.hasFreezeHost && hostList.count > 0) {
+        NSInteger index = arc4random()%hostList.count;
+        NSString *host = hostList[index];
+        server = [domainInfo[host] getOneServer];
+        [self unfreezeServer:server];
+    }
+    
+    if (server == nil) {
+        self.isAllFrozen = YES;
+    }
+    
+    server.httpVersion = kQNHttpVersion2;
+    
+    QNLogInfo(@"get server host:%@ ip:%@", server.host, server.ip);
+    return server;
+}
+
+- (void)freezeServerIfNeed:(QNResponseInfo *)responseInfo
+              freezeServer:(QNUploadServer *)freezeServer {
+    
+    if (freezeServer == nil || freezeServer.serverId == nil || responseInfo == nil) {
+        return;
+    }
+    
+    NSString *frozenType = QNUploadFrozenType(freezeServer.host, freezeServer.ip);
+    // 1. http3 冻结
+    if (kQNIsHttp3(freezeServer.httpVersion)) {
+        if (responseInfo.isNotQiniu) {
+            self.hasFreezeHost = YES;
+            [self.partialHttp3Freezer freezeType:frozenType frozenTime:kQNGlobalConfiguration.partialHostFrozenTime];
+        }
+        
+        if (!responseInfo.canConnectToHost || responseInfo.isHostUnavailable) {
+            self.hasFreezeHost = YES;
+            [kQNUploadGlobalHttp3Freezer freezeType:frozenType frozenTime:kQNUploadHttp3FrozenTime];
+        }
+        return;
+    }
+    
+    // 2. http2 冻结
+    // 2.1 无法连接到Host || Host不可用， 局部冻结
+    if (responseInfo.isNotQiniu || !responseInfo.canConnectToHost || responseInfo.isHostUnavailable) {
+        QNLogInfo(@"partial freeze server host:%@ ip:%@", freezeServer.host, freezeServer.ip);
+        self.hasFreezeHost = YES;
+        [self.partialHttp2Freezer freezeType:frozenType frozenTime:kQNGlobalConfiguration.partialHostFrozenTime];
+    }
+    
+    // 2.2 Host不可用，全局冻结
+    if (responseInfo.isHostUnavailable) {
+        QNLogInfo(@"global freeze server host:%@ ip:%@", freezeServer.host, freezeServer.ip);
+        self.hasFreezeHost = YES;
+        [kQNUploadGlobalHttp2Freezer freezeType:frozenType frozenTime:kQNGlobalConfiguration.globalHostFrozenTime];
+    }
+}
+
+/// 仅仅解封局部的
+- (void)unfreezeServer:(QNUploadServer *)freezeServer {
+    if (freezeServer == nil) {
+        return;
+    }
+
+    NSString *frozenType = QNUploadFrozenType(freezeServer.host, freezeServer.ip);
+    [self.partialHttp2Freezer unfreezeType:frozenType];
+}
+
+- (QNUploadServerFreezeManager *)partialHttp2Freezer{
+    if (!_partialHttp2Freezer) {
+        _partialHttp2Freezer = [[QNUploadServerFreezeManager alloc] init];
+    }
+    return _partialHttp2Freezer;
+}
+
+- (QNUploadServerFreezeManager *)partialHttp3Freezer{
+    if (!_partialHttp3Freezer) {
+        _partialHttp3Freezer = [[QNUploadServerFreezeManager alloc] init];
+    }
+    return _partialHttp3Freezer;
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/ServerRegion/QNUploadServer.h

@@ -0,0 +1,29 @@
+//
+//  QNUploadServer.h
+//  AppTest
+//
+//  Created by yangsen on 2020/4/23.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import "QNUploadRegionInfo.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUploadServer : NSObject <QNUploadServer>
+
+@property(nonatomic,  copy)NSString *httpVersion;
+
+/// 上传server构造方法
+/// @param host host
+/// @param ip host对应的IP
+/// @param source ip查询来源，@"system"，@"httpdns"， @"none"， @"customized" 自定义请使用@"customized"
+/// @param ipPrefetchedTime 根据host获取IP的时间戳
++ (instancetype)server:(NSString * _Nullable)host
+                    ip:(NSString * _Nullable)ip
+                source:(NSString * _Nullable)source
+      ipPrefetchedTime:(NSNumber * _Nullable)ipPrefetchedTime;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/ServerRegion/QNUploadServer.m

@@ -0,0 +1,39 @@
+//
+//  QNUploadServer.m
+//  AppTest
+//
+//  Created by yangsen on 2020/4/23.
+//  Copyright © 2020 com.qiniu. All rights reserved.
+//
+
+#import "QNUploadServer.h"
+
+@interface QNUploadServer()
+
+@property(nonatomic,  copy)NSString *ip;
+@property(nonatomic,  copy)NSString *host;
+@property(nonatomic,  copy)NSString *source;
+@property(nonatomic,strong)NSNumber *ipPrefetchedTime;
+
+@end
+@implementation QNUploadServer
+@synthesize httpVersion;
+
++ (instancetype)server:(NSString *)host
+                    ip:(NSString *)ip
+                source:(NSString *)source
+      ipPrefetchedTime:(NSNumber *)ipPrefetchedTime{
+    QNUploadServer *server = [[QNUploadServer alloc] init];
+    server.ip = ip;
+    server.host = host;
+    server.source = source ?: @"none";
+    server.httpVersion = kQNHttpVersion2;
+    server.ipPrefetchedTime = ipPrefetchedTime;
+    return server;
+}
+
+- (NSString *)serverId {
+    return [self.host copy];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/ServerRegion/QNUploadServerFreezeManager.h

@@ -0,0 +1,30 @@
+//
+//  QNUploadServerFreezeManager.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/6/2.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUploadServerFreezeManager : NSObject
+
+/// 查询host是否被冻结
+/// @param type 冻结Key
+- (BOOL)isTypeFrozen:(NSString * _Nullable)type;
+
+/// 冻结host
+/// @param type 冻结Key
+/// @param frozenTime 冻结时间
+- (void)freezeType:(NSString * _Nullable)type frozenTime:(NSInteger)frozenTime;
+
+/// 解冻host
+/// @param type 冻结Key
+- (void)unfreezeType:(NSString * _Nullable)type;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/ServerRegion/QNUploadServerFreezeManager.m

@@ -0,0 +1,97 @@
+//
+//  QNUploadServerFreezeManager.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/6/2.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNConfiguration.h"
+#import "QNUploadServerFreezeManager.h"
+
+@interface QNUploadServerFreezeItem : NSObject
+@property(nonatomic,   copy)NSString *type;
+@property(nonatomic, strong)NSDate *freezeDate;
+@end
+@implementation QNUploadServerFreezeItem
++ (instancetype)item:(NSString *)type{
+    QNUploadServerFreezeItem *item = [[QNUploadServerFreezeItem alloc] init];
+    item.type = type;
+    return item;
+}
+- (BOOL)isFrozenByDate:(NSDate *)date{
+    BOOL isFrozen = YES;
+    @synchronized (self) {
+        if (!self.freezeDate || [self.freezeDate timeIntervalSinceDate:date] < 0){
+            isFrozen = NO;
+        }
+    }
+    return isFrozen;
+}
+- (void)freeze:(NSInteger)frozenTime{
+    @synchronized (self) {
+        self.freezeDate = [NSDate dateWithTimeIntervalSinceNow:frozenTime];
+    }
+}
+@end
+
+@interface QNUploadServerFreezeManager()
+
+@property(nonatomic, strong)NSMutableDictionary *freezeInfo;
+
+@end
+@implementation QNUploadServerFreezeManager
+
+- (instancetype)init{
+    if (self = [super init]) {
+        _freezeInfo = [NSMutableDictionary dictionary];
+    }
+    return self;
+}
+
+- (BOOL)isTypeFrozen:(NSString * _Nullable)type {
+    if (!type || type.length == 0) {
+        return true;
+    }
+    
+    BOOL isFrozen = true;
+    QNUploadServerFreezeItem *item = nil;
+    @synchronized (self) {
+        item = self.freezeInfo[type];
+    }
+    
+    if (!item || ![item isFrozenByDate:[NSDate date]]) {
+        isFrozen = false;
+    }
+    
+    return isFrozen;
+}
+
+- (void)freezeType:(NSString * _Nullable)type frozenTime:(NSInteger)frozenTime {
+    if (!type || type.length == 0) {
+        return;
+    }
+    
+    QNUploadServerFreezeItem *item = nil;
+    @synchronized (self) {
+        item = self.freezeInfo[type];
+        if (!item) {
+            item = [QNUploadServerFreezeItem item:type];
+            self.freezeInfo[type] = item;
+        }
+    }
+    
+    [item freeze:frozenTime];
+}
+
+- (void)unfreezeType:(NSString * _Nullable)type {
+    if (!type || type.length == 0) {
+        return;
+    }
+    
+    @synchronized (self) {
+        [self.freezeInfo removeObjectForKey:type];
+    }
+}
+
+@end

Pods/Qiniu/QiniuSDK/Http/ServerRegion/QNUploadServerFreezeUtil.h

@@ -0,0 +1,31 @@
+//
+//  QNUploadServerFreezeUtil.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/2/4.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNUploadServerFreezeManager.h"
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+#define kQNUploadHttp3FrozenTime (3600 * 24)
+#define QNUploadFrozenType(HOST, IP) ([QNUploadServerFreezeUtil getFrozenType:HOST ip:IP])
+
+#define kQNUploadGlobalHttp3Freezer [QNUploadServerFreezeUtil sharedHttp3Freezer]
+#define kQNUploadGlobalHttp2Freezer [QNUploadServerFreezeUtil sharedHttp2Freezer]
+
+@interface QNUploadServerFreezeUtil : NSObject
+
++ (QNUploadServerFreezeManager *)sharedHttp2Freezer;
++ (QNUploadServerFreezeManager *)sharedHttp3Freezer;
+
++ (BOOL)isType:(NSString *)type frozenByFreezeManagers:(NSArray <QNUploadServerFreezeManager *> *)freezeManagerList;
+
++ (NSString *)getFrozenType:(NSString *)host ip:(NSString *)ip;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Http/ServerRegion/QNUploadServerFreezeUtil.m

@@ -0,0 +1,55 @@
+//
+//  QNUploadServerFreezeUtil.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/2/4.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNUtils.h"
+#import "QNUploadServerFreezeUtil.h"
+
+@implementation QNUploadServerFreezeUtil
+
++ (QNUploadServerFreezeManager *)sharedHttp2Freezer {
+    static QNUploadServerFreezeManager *manager = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        manager = [[QNUploadServerFreezeManager alloc] init];
+    });
+    return manager;
+}
+
++ (QNUploadServerFreezeManager *)sharedHttp3Freezer {
+    static QNUploadServerFreezeManager *manager = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        manager = [[QNUploadServerFreezeManager alloc] init];
+    });
+    return manager;
+}
+
++ (BOOL)isType:(NSString *)type frozenByFreezeManagers:(NSArray <QNUploadServerFreezeManager *> *)freezeManagerList{
+    if (!type || type.length == 0) {
+        return YES;
+    }
+    if (!freezeManagerList || freezeManagerList.count == 0) {
+        return NO;
+    }
+    
+    BOOL isFrozen = NO;
+    for (QNUploadServerFreezeManager *freezeManager in freezeManagerList) {
+        isFrozen = [freezeManager isTypeFrozen:type];
+        if (isFrozen) {
+            break;
+        }
+    }
+    return isFrozen;
+}
+
++ (NSString *)getFrozenType:(NSString *)host ip:(NSString *)ip {
+    NSString *ipType = [QNUtils getIpType:ip host:host];
+    return [NSString stringWithFormat:@"%@-%@", host, ipType];
+}
+
+@end

Pods/Qiniu/QiniuSDK/PrivacyInfo.xcprivacy

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NSPrivacyTracking</key>
+	<false/>
+	<key>NSPrivacyCollectedDataTypes</key>
+	<array>
+		<dict>
+			<key>NSPrivacyCollectedDataType</key>
+			<string>NSPrivacyCollectedDataTypeOtherDiagnosticData</string>
+			<key>NSPrivacyCollectedDataTypeLinked</key>
+			<false/>
+			<key>NSPrivacyCollectedDataTypeTracking</key>
+			<false/>
+			<key>NSPrivacyCollectedDataTypePurposes</key>
+			<array>
+				<string>NSPrivacyCollectedDataTypePurposeAnalytics</string>
+			</array>
+		</dict>
+	</array>
+	<key>NSPrivacyTrackingDomains</key>
+	<array/>
+	<key>NSPrivacyAccessedAPITypes</key>
+	<array>
+		<dict>
+			<key>NSPrivacyAccessedAPIType</key>
+			<string>NSPrivacyAccessedAPICategoryFileTimestamp</string>
+			<key>NSPrivacyAccessedAPITypeReasons</key>
+			<array>
+				<string>C617.1</string>
+			</array>
+		</dict>
+	</array>
+</dict>
+</plist>

Pods/Qiniu/QiniuSDK/QiniuSDK.h

@@ -0,0 +1,26 @@
+//
+//  QiniuSDK.h
+//  QiniuSDK
+//
+//  Created by bailong on 14-9-28.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "QNErrorCode.h"
+#import "QNDns.h"
+#import "QNZone.h"
+#import "QNFixedZone.h"
+#import "QNAutoZone.h"
+#import "QNLogUtil.h"
+#import "QNConfiguration.h"
+#import "QNServerConfigMonitor.h"
+#import "QNRecorderDelegate.h"
+#import "QNFileRecorder.h"
+#import "QNResponseInfo.h"
+#import "QNUploadManager.h"
+#import "QNUploadOption.h"
+#import "QNUrlSafeBase64.h"
+#import "QNReportConfig.h"
+#import "QNPipeline.h"

Pods/Qiniu/QiniuSDK/Recorder/QNFileRecorder.h

@@ -0,0 +1,55 @@
+//
+//  QNFileRecorder.h
+//  QiniuSDK
+//
+//  Created by bailong on 14/10/5.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+
+#import "QNRecorderDelegate.h"
+#import <Foundation/Foundation.h>
+
+/**
+ *    将上传记录保存到文件系统中
+ */
+@interface QNFileRecorder : NSObject <QNRecorderDelegate>
+
+/**
+ *    用指定保存的目录进行初始化
+ *
+ *    @param directory 目录
+ *    @param error     输出的错误信息
+ *
+ *    @return 实例
+ */
++ (instancetype)fileRecorderWithFolder:(NSString *)directory
+                                 error:(NSError *__autoreleasing *)error;
+
+/**
+ *    用指定保存的目录，以及是否进行base64编码进行初始化，
+ *
+ *    @param directory 目录
+ *    @param encode    为避免因为特殊字符或含有/，无法保存持久化记录，故用此参数指定是否要base64编码
+ *    @param error     输出错误信息
+ *
+ *    @return 实例
+ */
++ (instancetype)fileRecorderWithFolder:(NSString *)directory
+                             encodeKey:(BOOL)encode
+                                 error:(NSError *__autoreleasing *)error;
+
+/**
+ *    从外部手动删除记录，如无特殊需求，不建议使用
+ *
+ *    @param key    持久化记录key
+ *    @param dir    目录
+ *    @param encode 是否encode
+ */
++ (void)removeKey:(NSString *)key
+        directory:(NSString *)dir
+        encodeKey:(BOOL)encode;
+
+// 删除所有修改时间在 date 之前的缓存
+- (NSError *)deleteAll;
+
+@end

Pods/Qiniu/QiniuSDK/Recorder/QNFileRecorder.m

@@ -0,0 +1,127 @@
+//
+//  QNFileRecorder.m
+//  QiniuSDK
+//
+//  Created by bailong on 14/10/5.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+
+#import "QNFileRecorder.h"
+#import "QNUrlSafeBase64.h"
+
+@interface QNFileRecorder ()
+
+@property (copy, readonly) NSString *directory;
+@property BOOL encode;
+
+@end
+
+@implementation QNFileRecorder
+
+- (NSString *)pathOfKey:(NSString *)key {
+    return [QNFileRecorder pathJoin:key path:_directory];
+}
+
++ (NSString *)pathJoin:(NSString *)key
+                  path:(NSString *)path {
+    return [[NSString alloc] initWithFormat:@"%@/%@", path, key];
+}
+
++ (instancetype)fileRecorderWithFolder:(NSString *)directory
+                                 error:(NSError *__autoreleasing *)perror {
+    return [QNFileRecorder fileRecorderWithFolder:directory encodeKey:false error:perror];
+}
+
++ (instancetype)fileRecorderWithFolder:(NSString *)directory
+                             encodeKey:(BOOL)encode
+                                 error:(NSError *__autoreleasing *)perror {
+    NSError *error;
+    [[NSFileManager defaultManager] createDirectoryAtPath:directory withIntermediateDirectories:YES attributes:nil error:&error];
+    if (error != nil) {
+        if (perror) {
+            *perror = error;
+        }
+        return nil;
+    }
+
+    return [[QNFileRecorder alloc] initWithFolder:directory encodeKey:encode];
+}
+
+- (instancetype)initWithFolder:(NSString *)directory encodeKey:(BOOL)encode {
+    if (self = [super init]) {
+        _directory = directory;
+        _encode = encode;
+    }
+    return self;
+}
+
+- (NSError *)set:(NSString *)key
+            data:(NSData *)value {
+    NSError *error;
+    if (_encode) {
+        key = [QNUrlSafeBase64 encodeString:key];
+    }
+    [value writeToFile:[self pathOfKey:key] options:NSDataWritingAtomic error:&error];
+    return error;
+}
+
+- (NSData *)get:(NSString *)key {
+    if (_encode) {
+        key = [QNUrlSafeBase64 encodeString:key];
+    }
+    return [NSData dataWithContentsOfFile:[self pathOfKey:key]];
+}
+
+- (NSError *)del:(NSString *)key {
+    NSError *error;
+    if (_encode) {
+        key = [QNUrlSafeBase64 encodeString:key];
+    }
+    [[NSFileManager defaultManager] removeItemAtPath:[self pathOfKey:key] error:&error];
+    return error;
+}
+
+- (NSError *)deleteAll {
+    NSString *filePath = self.directory;
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    
+    BOOL isDir = NO;
+    BOOL existed = [fileManager fileExistsAtPath:filePath isDirectory:&isDir];
+    if ( !(isDir == YES && existed == YES) ) {
+        return nil;
+    }
+    
+    //文件夹
+    NSError *error;
+    [fileManager removeItemAtPath:filePath error:&error];
+    if (error != nil) {
+        return error;
+    }
+    
+    [fileManager createDirectoryAtPath:filePath withIntermediateDirectories:YES attributes:nil error:&error];
+    return error;
+}
+
+- (NSString *)getFileName{
+    return nil;
+}
+
++ (void)removeKey:(NSString *)key
+        directory:(NSString *)dir
+        encodeKey:(BOOL)encode {
+    if (encode) {
+        key = [QNUrlSafeBase64 encodeString:key];
+    }
+    NSError *error;
+    NSString *path = [QNFileRecorder pathJoin:key path:dir];
+    [[NSFileManager defaultManager] removeItemAtPath:path error:&error];
+    if (error) {
+        NSLog(@"%s,%@", __func__, error);
+    }
+}
+
+- (NSString *)description {
+    return [NSString stringWithFormat:@"<%@: %p, dir: %@>", NSStringFromClass([self class]), self, _directory];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Recorder/QNRecorderDelegate.h

@@ -0,0 +1,60 @@
+//
+//  QNRecorderDelegate.h
+//  QiniuSDK
+//
+//  Created by bailong on 14/10/5.
+//  Copyright (c) 2014年 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+/**
+ *    为持久化上传记录，根据上传的key以及文件名 生成持久化的记录key
+ *
+ *    @param uploadKey 上传的key
+ *    @param filePath  文件名
+ *
+ *    @return 根据uploadKey, filepath 算出的记录key
+ */
+typedef NSString * (^QNRecorderKeyGenerator)(NSString *uploadKey, NSString *filePath);
+
+/**
+ *    持久化记录接口，可以实现将记录持久化到文件，数据库等
+ */
+@protocol QNRecorderDelegate <NSObject>
+
+/**
+ *    保存记录
+ *
+ *    @param key   持久化记录的key
+ *    @param value 持久化记录上传状态信息
+ *
+ *    @return 错误信息，成功为nil
+ */
+- (NSError *)set:(NSString *)key
+            data:(NSData *)value;
+
+/**
+ *    取出保存的持久化上传状态信息
+ *
+ *    @param key 持久化记录key
+ *
+ *    @return 上传中间状态信息
+ */
+- (NSData *)get:(NSString *)key;
+
+/**
+ *    删除持久化记录，一般在上传成功后自动调用
+ *
+ *    @param key 持久化记录key
+ *
+ *    @return 错误信息，成功为nil
+ */
+- (NSError *)del:(NSString *)key;
+
+/**
+ *   缓存文件名称
+ */
+- (NSString *)getFileName;
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNBaseUpload.h

@@ -0,0 +1,126 @@
+//
+//  QNBaseUpload.h
+//  QiniuSDK
+//
+//  Created by WorkSpace_Sun on 2020/4/19.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "QNConfiguration.h"
+#import "QNCrc32.h"
+#import "QNRecorderDelegate.h"
+#import "QNUpToken.h"
+#import "QNUrlSafeBase64.h"
+#import "QNAsyncRun.h"
+#import "QNUploadManager.h"
+#import "QNUploadOption.h"
+#import "QNZone.h"
+#import "QNUploadSource.h"
+#import "QNUploadRequestMetrics.h"
+
+extern NSString *const QNUploadUpTypeForm;
+extern NSString *const QNUploadUpTypeResumableV1;
+extern NSString *const QNUploadUpTypeResumableV2;
+
+typedef void (^QNUpTaskCompletionHandler)(QNResponseInfo *info, NSString *key, QNUploadTaskMetrics *metrics, NSDictionary *resp);
+
+@interface QNBaseUpload : NSObject
+
+@property (nonatomic,   copy, readonly) NSString *upType;
+@property (nonatomic,   copy, readonly) NSString *key;
+@property (nonatomic,   copy, readonly) NSString *fileName;
+@property (nonatomic, strong, readonly) NSData *data;
+@property (nonatomic, strong, readonly) id <QNUploadSource> uploadSource;
+@property (nonatomic, strong, readonly) QNUpToken *token;
+@property (nonatomic, strong, readonly) QNUploadOption *option;
+@property (nonatomic, strong, readonly) QNConfiguration *config;
+@property (nonatomic, strong, readonly) id <QNRecorderDelegate> recorder;
+@property (nonatomic,   copy, readonly) NSString *recorderKey;
+@property (nonatomic, strong, readonly) QNUpTaskCompletionHandler completionHandler;
+
+@property (nonatomic, strong, readonly) QNUploadRegionRequestMetrics *currentRegionRequestMetrics;
+@property (nonatomic, strong, readonly) QNUploadTaskMetrics *metrics;
+
+
+//MARK:-- 构造函数
+
+/// file构造函数
+/// @param uploadSource 文件源
+/// @param key 上传key
+/// @param token 上传token
+/// @param option 上传option
+/// @param config 上传config
+/// @param recorder 断点续传记录信息
+/// @param recorderKey 断电上传信息保存的key值，需确保唯一性
+/// @param completionHandler 上传完成回调
+- (instancetype)initWithSource:(id<QNUploadSource>)uploadSource
+                           key:(NSString *)key
+                         token:(QNUpToken *)token
+                        option:(QNUploadOption *)option
+                 configuration:(QNConfiguration *)config
+                      recorder:(id<QNRecorderDelegate>)recorder
+                   recorderKey:(NSString *)recorderKey
+             completionHandler:(QNUpTaskCompletionHandler)completionHandler;
+
+/// data 构造函数
+/// @param data 上传data流
+/// @param key 上传key
+/// @param fileName 上传fileName
+/// @param token 上传token
+/// @param option 上传option
+/// @param config 上传config
+/// @param completionHandler 上传完成回调
+- (instancetype)initWithData:(NSData *)data
+                         key:(NSString *)key
+                    fileName:(NSString *)fileName
+                       token:(QNUpToken *)token
+                      option:(QNUploadOption *)option
+               configuration:(QNConfiguration *)config
+           completionHandler:(QNUpTaskCompletionHandler)completionHandler;
+
+/// 初始化数据
+- (void)initData;
+
+//MARK: -- 上传
+
+/// 开始上传流程
+- (void)run;
+
+/// 准备上传
+- (int)prepareToUpload;
+
+/// 重新加载上传数据
+- (BOOL)reloadUploadInfo;
+
+/// 开始上传
+- (void)startToUpload;
+
+/// 切换区域
+- (BOOL)switchRegionAndUpload;
+// 根据错误信息进行切换region并上传，return:是否切换region并上传
+- (BOOL)switchRegionAndUploadIfNeededWithErrorResponse:(QNResponseInfo *)errorResponseInfo;
+
+/// 上传结束调用回调方法，在上传结束时调用，该方法内部会调用回调，已通知上层上传结束
+/// @param info 上传返回信息
+/// @param response 上传字典信息
+- (void)complete:(QNResponseInfo *)info
+        response:(NSDictionary *)response;
+
+//MARK: -- 机房管理
+
+/// 在区域列表头部插入一个区域
+- (void)insertRegionAtFirst:(id <QNUploadRegion>)region;
+/// 切换区域
+- (BOOL)switchRegion;
+/// 获取目标区域
+- (id <QNUploadRegion>)getTargetRegion;
+/// 获取当前区域
+- (id <QNUploadRegion>)getCurrentRegion;
+
+//MARK: -- upLog
+
+// 一个上传流程可能会发起多个上传操作（如：上传多个分片），每个上传操作均是以一个Region的host做重试操作
+- (void)addRegionRequestMetricsOfOneFlow:(QNUploadRegionRequestMetrics *)metrics;
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNBaseUpload.m

@@ -0,0 +1,295 @@
+//
+//  QNBaseUpload.m
+//  QiniuSDK
+//
+//  Created by WorkSpace_Sun on 2020/4/19.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNAutoZone.h"
+#import "QNZoneInfo.h"
+#import "QNResponseInfo.h"
+#import "QNDefine.h"
+#import "QNBaseUpload.h"
+#import "QNUploadDomainRegion.h"
+
+NSString *const QNUploadUpTypeForm = @"form";
+NSString *const QNUploadUpTypeResumableV1 = @"resumable_v1";
+NSString *const QNUploadUpTypeResumableV2 = @"resumable_v2";
+
+@interface QNBaseUpload ()
+
+@property (nonatomic, strong) QNBaseUpload *strongSelf;
+
+@property (nonatomic,   copy) NSString *key;
+@property (nonatomic,   copy) NSString *fileName;
+@property (nonatomic, strong) NSData *data;
+@property (nonatomic, strong) id <QNUploadSource> uploadSource;
+@property (nonatomic, strong) QNUpToken *token;
+@property (nonatomic,   copy) NSString *identifier;
+@property (nonatomic, strong) QNUploadOption *option;
+@property (nonatomic, strong) QNConfiguration *config;
+@property (nonatomic, strong) id <QNRecorderDelegate> recorder;
+@property (nonatomic,   copy) NSString *recorderKey;
+@property (nonatomic, strong) QNUpTaskCompletionHandler completionHandler;
+
+@property (nonatomic, assign)NSInteger currentRegionIndex;
+@property (nonatomic, strong)NSMutableArray <id <QNUploadRegion> > *regions;
+
+@property (nonatomic, strong)QNUploadRegionRequestMetrics *currentRegionRequestMetrics;
+@property (nonatomic, strong) QNUploadTaskMetrics *metrics;
+
+@end
+
+@implementation QNBaseUpload
+
+- (instancetype)initWithSource:(id<QNUploadSource>)uploadSource
+                           key:(NSString *)key
+                         token:(QNUpToken *)token
+                        option:(QNUploadOption *)option
+                 configuration:(QNConfiguration *)config
+                      recorder:(id<QNRecorderDelegate>)recorder
+                   recorderKey:(NSString *)recorderKey
+             completionHandler:(QNUpTaskCompletionHandler)completionHandler{
+    return [self initWithSource:uploadSource data:nil fileName:[uploadSource getFileName] key:key token:token option:option configuration:config recorder:recorder recorderKey:recorderKey completionHandler:completionHandler];
+}
+
+- (instancetype)initWithData:(NSData *)data
+                         key:(NSString *)key
+                    fileName:(NSString *)fileName
+                       token:(QNUpToken *)token
+                      option:(QNUploadOption *)option
+               configuration:(QNConfiguration *)config
+           completionHandler:(QNUpTaskCompletionHandler)completionHandler{
+    return [self initWithSource:nil data:data fileName:fileName key:key token:token option:option configuration:config recorder:nil recorderKey:nil completionHandler:completionHandler];
+}
+
+- (instancetype)initWithSource:(id<QNUploadSource>)uploadSource
+                          data:(NSData *)data
+                      fileName:(NSString *)fileName
+                           key:(NSString *)key
+                         token:(QNUpToken *)token
+                        option:(QNUploadOption *)option
+                 configuration:(QNConfiguration *)config
+                      recorder:(id<QNRecorderDelegate>)recorder
+                   recorderKey:(NSString *)recorderKey
+             completionHandler:(QNUpTaskCompletionHandler)completionHandler{
+    if (self = [super init]) {
+        _uploadSource = uploadSource;
+        _data = data;
+        _fileName = fileName ?: @"?";
+        _key = key;
+        _token = token;
+        _config = config;
+        _option = option ?: [QNUploadOption defaultOptions];
+        _recorder = recorder;
+        _recorderKey = recorderKey;
+        _completionHandler = completionHandler;
+        [self initData];
+    }
+    return self;
+}
+
+- (instancetype)init{
+    if (self = [super init]) {
+        [self initData];
+    }
+    return self;
+}
+
+- (void)initData{
+    _strongSelf = self;
+    _currentRegionIndex = 0;
+}
+
+- (void)run {
+    [self.metrics start];
+    
+    kQNWeakSelf;
+    [_config.zone query:self.config token:self.token on:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, QNZonesInfo * _Nullable zonesInfo) {
+        
+        kQNStrongSelf;
+        self.metrics.ucQueryMetrics = metrics;
+        
+        if (responseInfo != nil && responseInfo.isOK && zonesInfo) {
+            if (![self setupRegions:zonesInfo]) {
+                responseInfo = [QNResponseInfo responseInfoWithInvalidArgument:[NSString stringWithFormat:@"setup regions host fail, origin response:%@", responseInfo]];
+                [self complete:responseInfo response:responseInfo.responseDictionary];
+                return;
+            }
+            
+            int prepareCode = [self prepareToUpload];
+            if (prepareCode == 0) {
+                [self startToUpload];
+            } else {
+                QNResponseInfo *responseInfoP = [QNResponseInfo errorResponseInfo:prepareCode errorDesc:nil];
+                [self complete:responseInfoP response:responseInfoP.responseDictionary];
+            }
+        } else {
+            if (responseInfo == nil) {
+                // responseInfo 一定会有值
+                responseInfo = [QNResponseInfo responseInfoWithSDKInteriorError:@"can't get regions"];
+            }
+            
+            [self complete:responseInfo response:responseInfo.responseDictionary];
+        }
+    }];
+}
+
+- (BOOL)reloadUploadInfo {
+    return YES;
+}
+
+- (int)prepareToUpload{
+    return 0;
+}
+
+- (void)startToUpload{
+    self.currentRegionRequestMetrics = [[QNUploadRegionRequestMetrics alloc] initWithRegion:[self getCurrentRegion]];
+    [self.currentRegionRequestMetrics start];
+}
+
+// 内部不再调用
+- (BOOL)switchRegionAndUpload{
+    if (self.currentRegionRequestMetrics) {
+        [self.currentRegionRequestMetrics end];
+        [self.metrics addMetrics:self.currentRegionRequestMetrics];
+        self.currentRegionRequestMetrics = nil;
+    }
+    
+    BOOL isSwitched = [self switchRegion];
+    if (isSwitched) {
+        [self startToUpload];
+    }
+    return isSwitched;
+}
+
+// 根据错误信息进行切换region并上传，return:是否切换region并上传
+- (BOOL)switchRegionAndUploadIfNeededWithErrorResponse:(QNResponseInfo *)errorResponseInfo {
+    if (errorResponseInfo.statusCode == 400 && [errorResponseInfo.message containsString:@"incorrect region"]) {
+        [QNAutoZone clearCache];
+    }
+    
+    if (!errorResponseInfo || errorResponseInfo.isOK || // 不存在 || 成功 不需要重试
+        ![errorResponseInfo couldRetry] || ![self.config allowBackupHost]) {  // 不能重试
+        return false;
+    }
+    
+    if (self.currentRegionRequestMetrics) {
+        [self.currentRegionRequestMetrics end];
+        [self.metrics addMetrics:self.currentRegionRequestMetrics];
+        self.currentRegionRequestMetrics = nil;
+    }
+    
+    // 重新加载上传数据，上传记录 & Resource index 归零
+    if (![self reloadUploadInfo]) {
+        return false;
+    }
+    
+    // 切换区域，当为 context 过期错误不需要切换区域
+    if (!errorResponseInfo.isCtxExpiedError && ![self switchRegion]) {
+        // 非 context 过期错误，但是切换 region 失败
+        return false;
+    }
+    
+    [self startToUpload];
+    
+    return true;
+}
+
+- (void)complete:(QNResponseInfo *)info
+        response:(NSDictionary *)response{
+    
+    [self.metrics end];
+    [self.currentRegionRequestMetrics end];
+    
+    if (self.currentRegionRequestMetrics) {
+        [self.metrics addMetrics:self.currentRegionRequestMetrics];
+    }
+    if (self.completionHandler) {
+        self.completionHandler(info, _key, _metrics, response);
+    }
+    self.strongSelf = nil;
+}
+
+//MARK:-- region
+- (BOOL)setupRegions:(QNZonesInfo *)zonesInfo{
+    if (zonesInfo == nil || zonesInfo.zonesInfo == nil || zonesInfo.zonesInfo.count == 0) {
+        return NO;
+   }
+    
+    NSMutableArray *defaultRegions = [NSMutableArray array];
+    NSArray *zoneInfos = zonesInfo.zonesInfo;
+    for (QNZoneInfo *zoneInfo in zoneInfos) {
+        QNUploadDomainRegion *region = [[QNUploadDomainRegion alloc] initWithConfig:self.config];
+        [region setupRegionData:zoneInfo];
+        if (region.isValid) {
+            [defaultRegions addObject:region];
+        }
+    }
+    self.regions = defaultRegions;
+    self.metrics.regions = defaultRegions;
+    return defaultRegions.count > 0;
+}
+
+- (void)insertRegionAtFirst:(id <QNUploadRegion>)region{
+    BOOL hasRegion = NO;
+    for (id <QNUploadRegion> regionP in self.regions) {
+        if ([regionP.zoneInfo.regionId isEqualToString:region.zoneInfo.regionId]) {
+            hasRegion = YES;
+            break;
+        }
+    }
+    if (!hasRegion) {
+        [self.regions insertObject:region atIndex:0];
+    }
+}
+
+- (BOOL)switchRegion{
+    BOOL ret = NO;
+    @synchronized (self) {
+        NSInteger regionIndex = _currentRegionIndex + 1;
+        if (regionIndex < self.regions.count) {
+            _currentRegionIndex = regionIndex;
+            ret = YES;
+        }
+    }
+    return ret;
+}
+
+- (id <QNUploadRegion>)getTargetRegion{
+    return self.regions.firstObject;
+}
+
+- (id <QNUploadRegion>)getCurrentRegion{
+    id <QNUploadRegion> region = nil;
+    @synchronized (self) {
+        if (self.currentRegionIndex < self.regions.count) {
+            region = self.regions[self.currentRegionIndex];
+        }
+    }
+    return region;
+}
+
+- (void)addRegionRequestMetricsOfOneFlow:(QNUploadRegionRequestMetrics *)metrics{
+    if (metrics == nil) {
+        return;
+    }
+    
+    @synchronized (self) {
+        if (self.currentRegionRequestMetrics == nil) {
+            self.currentRegionRequestMetrics = metrics;
+            return;
+        }
+    }
+    
+    [self.currentRegionRequestMetrics addMetrics:metrics];
+}
+
+- (QNUploadTaskMetrics *)metrics {
+    if (_metrics == nil) {
+        _metrics = [QNUploadTaskMetrics taskMetrics:self.upType];
+    }
+    return _metrics;
+}
+@end

Pods/Qiniu/QiniuSDK/Storage/QNConcurrentResumeUpload.h

@@ -0,0 +1,14 @@
+//
+//  QNConcurrentResumeUpload.h
+//  QiniuSDK
+//
+//  Created by WorkSpace_Sun on 2019/7/15.
+//  Copyright © 2019 Qiniu. All rights reserved.
+//
+/// 并发分片上传
+
+#import "QNPartsUpload.h"
+
+@interface QNConcurrentResumeUpload : QNPartsUpload
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNConcurrentResumeUpload.m

@@ -0,0 +1,43 @@
+//
+//  QNConcurrentResumeUpload.m
+//  QiniuSDK
+//
+//  Created by WorkSpace_Sun on 2019/7/15.
+//  Copyright © 2019 Qiniu. All rights reserved.
+//
+
+#import "QNLogUtil.h"
+#import "QNConcurrentResumeUpload.h"
+
+@interface QNConcurrentResumeUpload()
+
+@property(nonatomic, strong) dispatch_group_t uploadGroup;
+@property(nonatomic, strong) dispatch_queue_t uploadQueue;
+
+@end
+
+@implementation QNConcurrentResumeUpload
+
+- (int)prepareToUpload{
+    self.uploadGroup = dispatch_group_create();
+    self.uploadQueue = dispatch_queue_create("com.qiniu.concurrentUpload", DISPATCH_QUEUE_SERIAL);
+    return [super prepareToUpload];
+}
+
+- (void)uploadRestData:(dispatch_block_t)completeHandler {
+    QNLogInfo(@"key:%@ 并发分片", self.key);
+    
+    for (int i = 0; i < self.config.concurrentTaskCount; i++) {
+        dispatch_group_enter(self.uploadGroup);
+        dispatch_group_async(self.uploadGroup, self.uploadQueue, ^{
+            [super performUploadRestData:^{
+                dispatch_group_leave(self.uploadGroup);
+            }];
+        });
+    }
+    dispatch_group_notify(self.uploadGroup, self.uploadQueue, ^{
+        completeHandler();
+    });
+}
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNConfiguration.h

@@ -0,0 +1,346 @@
+//
+//  QNConfiguration.h
+//  QiniuSDK
+//
+//  Created by bailong on 15/5/21.
+//  Copyright (c) 2015年 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "QNRecorderDelegate.h"
+#import "QNDns.h"
+
+/**
+ * 断点上传时的分块大小
+ */
+extern const UInt32 kQNBlockSize;
+
+/**
+ *  DNS默认缓存时间
+ */
+extern const UInt32 kQNDefaultDnsCacheTime;
+
+/**
+ *    转换为用户需要的url
+ *
+ *    @param url  上传url
+ *
+ *    @return 根据上传url算出代理url
+ */
+typedef NSString * (^QNUrlConvert)(NSString *url);
+
+typedef NS_ENUM(NSInteger, QNResumeUploadVersion){
+    QNResumeUploadVersionV1, // 分片v1
+    QNResumeUploadVersionV2  // 分片v2
+};
+
+@class QNConfigurationBuilder;
+@class QNZone;
+@class QNReportConfig;
+
+/**
+ *    Builder block
+ *
+ *    @param builder builder实例
+ */
+typedef void (^QNConfigurationBuilderBlock)(QNConfigurationBuilder *builder);
+
+@interface QNConfiguration : NSObject
+
+/**
+ *    存储区域
+ */
+@property (copy, nonatomic, readonly) QNZone *zone;
+
+/**
+ *    断点上传时的分片大小
+ */
+@property (readonly) UInt32 chunkSize;
+
+/**
+ *    如果大于此值就使用断点上传，否则使用form上传
+ */
+@property (readonly) UInt32 putThreshold;
+
+/**
+ *    上传失败时每个上传域名的重试次数，默认重试1次
+ */
+@property (readonly) UInt32 retryMax;
+
+/**
+ *    重试前等待时长，默认0.5s
+ */
+@property (readonly) NSTimeInterval retryInterval;
+
+/**
+ *    单个请求超时时间 单位 秒
+ *    注：每个文件上传肯能存在多个操作，当每个操作失败时，可能存在多个请求重试。
+ */
+@property (readonly) UInt32 timeoutInterval;
+
+/**
+ *    是否使用 https，默认为 YES
+ */
+@property (nonatomic, assign, readonly) BOOL useHttps;
+
+/**
+ *   单个文件是否开启并发分片上传，默认为NO
+ *   单个文件大小大于4M时，会采用分片上传，每个分片会已单独的请求进行上传操作，多个上传操作可以使用并发，
+ *   也可以采用串行，采用并发时，可以设置并发的个数(对concurrentTaskCount进行设置)。
+ */
+@property (nonatomic, assign, readonly) BOOL useConcurrentResumeUpload;
+
+/**
+ *   分片上传版本
+ */
+@property (nonatomic, assign, readonly) QNResumeUploadVersion resumeUploadVersion;
+
+/**
+ *   并发分片上传的并发任务个数，在concurrentResumeUpload为YES时有效，默认为3个
+ */
+@property (nonatomic, assign, readonly) UInt32 concurrentTaskCount;
+
+/**
+ *  重试时是否允许使用备用上传域名，默认为YES
+ */
+@property (nonatomic, assign) BOOL allowBackupHost;
+
+/**
+ *  是否允许使用加速域名，默认为 false
+ */
+@property (nonatomic, assign, readonly) BOOL accelerateUploading;
+
+/**
+ *  持久化记录接口，可以实现将记录持久化到文件，数据库等
+ */
+@property (nonatomic, readonly) id<QNRecorderDelegate> recorder;
+
+/**
+ *  为持久化上传记录，根据上传的key以及文件名 生成持久化的记录key
+ */
+@property (nonatomic, readonly) QNRecorderKeyGenerator recorderKeyGen;
+
+/**
+ *  上传请求代理配置信息
+ */
+@property (nonatomic, readonly) NSDictionary *proxy;
+
+/**
+ *  上传URL转换，使url转换为用户需要的url
+ */
+@property (nonatomic, readonly) QNUrlConvert converter;
+
+/**
+ *  默认配置
+ */
++ (instancetype)defaultConfiguration;
+
+/**
+ *  使用 QNConfigurationBuilder 进行配置
+ *  @param block  配置block
+ */
++ (instancetype)build:(QNConfigurationBuilderBlock)block;
+
+@end
+
+
+#define kQNGlobalConfiguration [QNGlobalConfiguration shared]
+@interface QNGlobalConfiguration : NSObject
+
+/**
+ *   是否开启dns预解析 默认开启
+ */
+@property(nonatomic, assign)BOOL isDnsOpen;
+
+/**
+ *   dns 预取失败后 会进行重新预取  dnsRepreHostNum为最多尝试次数
+ */
+@property(nonatomic, assign)UInt32 dnsRepreHostNum;
+
+/**
+ *   dns 预取超时，单位：秒  默认：2
+ */
+@property(nonatomic, assign)int dnsResolveTimeout;
+
+/**
+ *   dns 预取, ip 默认有效时间  单位：秒 默认：120
+ *   只有在 dns 预取未返回 ttl 时使用
+ */
+@property(nonatomic, assign)UInt32 dnsCacheTime;
+
+/**
+ *   dns预取缓存最大有效时间  单位：秒 默认 1800
+ *   当 dns 缓存 ip 过期并未刷新时，只要在 dnsCacheMaxTTL 时间内仍有效。
+ */
+@property(nonatomic, assign)UInt32 dnsCacheMaxTTL;
+
+/**
+ *   自定义DNS解析客户端host
+ */
+@property(nonatomic, strong) id <QNDnsDelegate> dns;
+
+/**
+ *   dns解析结果本地缓存路径
+ */
+@property(nonatomic,  copy, readonly)NSString *dnsCacheDir;
+
+/**
+ * 是否使用 udp 方式进行 Dns 预取，默认开启
+ */
+@property(nonatomic, assign)BOOL udpDnsEnable;
+
+/**
+ *  使用 udp 进行 Dns 预取时的 server ipv4 数组；当对某个 Host 使用 udp 进行 Dns 预取时，会使用 udpDnsIps 进行并发预取
+ *  当 udpDnsEnable 开启时，使用 udp 进行 Dns 预取方式才会生效
+ *  默认
+ */
+@property(nonatomic,   copy) NSArray <NSString *> *udpDnsIpv4Servers;
+
+/**
+ *  使用 udp 进行 Dns 预取时的 server ipv6 数组；当对某个 Host 使用 udp 进行 Dns 预取时，会使用 udpDnsIps 进行并发预取
+ *  当 udpDnsEnable 开启时，使用 udp 进行 Dns 预取方式才会生效
+ *  默认：nil
+ */
+@property(nonatomic,   copy) NSArray <NSString *> *udpDnsIpv6Servers;
+
+/**
+ * 是否使用 doh 预取，默认开启
+ */
+@property(nonatomic, assign)BOOL dohEnable;
+
+/**
+ *  使用 doh 预取时的 server 数组；当对某个 Host 使用 Doh 预取时，会使用 dohServers 进行并发预取
+ *  当 dohEnable 开启时，doh 预取才会生效
+ *  注意：如果使用 ip，需保证服务证书与 IP 绑定，避免 sni 问题
+ */
+@property(nonatomic,   copy) NSArray <NSString *> *dohIpv4Servers;
+
+/**
+ *  使用 doh 预取时的 server 数组；当对某个 Host 使用 Doh 预取时，会使用 dohServers 进行并发预取
+ *  当 dohEnable 开启时，doh 预取才会生效
+ *  默认：nil
+ *  注意：如果使用 ip，需保证服务证书与 IP 绑定，避免 sni 问题
+ */
+@property(nonatomic,   copy) NSArray <NSString *> *dohIpv6Servers;
+
+/**
+ *   Host全局冻结时间  单位：秒   默认：60  推荐范围：[30 ~ 120]
+ *   当某个Host的上传失败后并且可能短时间无法恢复，会冻结该Host
+ */
+@property(nonatomic, assign)UInt32 globalHostFrozenTime;
+
+/**
+ *   Host局部冻结时间，只会影响当前上传操作  单位：秒   默认：5*60  推荐范围：[60 ~ 10*60]
+ *   当某个Host的上传失败后并且短时间可能会恢复，会局部冻结该Host
+ */
+@property(nonatomic, assign)UInt32 partialHostFrozenTime;
+
+/**
+ *  网络连接状态检测使用的connectCheckURLStrings，网络链接状态检测可能会影响重试机制，启动网络连接状态检测有助于提高上传可用性。
+ *  当请求的 Response 为网络异常时，并发对 connectCheckURLStrings 中 URLString 进行 HEAD 请求，以此检测当前网络状态的链接状态，其中任意一个 URLString 链接成功则认为当前网络状态链接良好；
+ *  当 connectCheckURLStrings 为 nil 或者 空数组时则弃用检测功能。
+ */
+@property(nonatomic,   copy)NSArray <NSString *> *connectCheckURLStrings;
+
+/**
+ *  是否开启网络连接状态检测，默认：开启
+ */
+@property(nonatomic, assign)BOOL connectCheckEnable;
+
+/**
+ *  网络连接状态检测HEAD请求超时，默认：2s
+ */
+@property(nonatomic, assign)NSTimeInterval connectCheckTimeout;
+
+
++ (instancetype)shared;
+
+@end
+
+
+@interface QNConfigurationBuilder : NSObject
+
+/**
+ *    默认上传服务器地址
+ */
+@property (nonatomic, strong) QNZone *zone;
+
+/**
+ *    断点上传时的分片大小
+ *    分片 v1 最小为 1024，即 1K，建议用户配置 >= 512K
+ *    分片 v2 最小为 1024 * 1024，即 1M
+ */
+@property (assign) UInt32 chunkSize;
+
+/**
+ *    如果大于此值就使用断点上传，否则使用form上传
+ */
+@property (assign) UInt32 putThreshold;
+
+/**
+ *    上传失败时每个上传域名的重试次数，默认重试1次
+ */
+@property (assign) UInt32 retryMax;
+
+/**
+ *    重试前等待时长，默认0.5s
+ */
+@property (assign) NSTimeInterval retryInterval;
+
+/**
+ *    超时时间 单位 秒
+ */
+@property (assign) UInt32 timeoutInterval;
+
+/**
+ *    是否使用 https，默认为 YES
+ */
+@property (nonatomic, assign) BOOL useHttps;
+
+/**
+ *    重试时是否允许使用备用上传域名，默认为YES
+ */
+@property (nonatomic, assign) BOOL allowBackupHost;
+
+/**
+ *    是否允许使用加速域名，默认为 false
+ */
+@property (nonatomic, assign) BOOL accelerateUploading;
+
+
+/**
+ *   是否开启并发分片上传，默认为NO
+ */
+@property (nonatomic, assign) BOOL useConcurrentResumeUpload;
+
+/**
+ *   分片上传版本
+ */
+@property (nonatomic, assign) QNResumeUploadVersion resumeUploadVersion;
+
+/**
+ *   并发分片上传的并发任务个数，在concurrentResumeUpload为YES时有效，默认为3个
+ */
+@property (nonatomic, assign) UInt32 concurrentTaskCount;
+
+/**
+ *  持久化记录接口，可以实现将记录持久化到文件，数据库等
+ */
+@property (nonatomic, strong) id<QNRecorderDelegate> recorder;
+
+/**
+ *  为持久化上传记录，根据上传的key以及文件名 生成持久化的记录key
+ */
+@property (nonatomic, strong) QNRecorderKeyGenerator recorderKeyGen;
+
+/**
+ *  上传请求代理配置信息
+ */
+@property (nonatomic, strong) NSDictionary *proxy;
+
+/**
+ *  上传URL转换，使url转换为用户需要的url
+ */
+@property (nonatomic, strong) QNUrlConvert converter;
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNConfiguration.m

@@ -0,0 +1,293 @@
+//
+//  QNConfiguration.m
+//  QiniuSDK
+//
+//  Created by bailong on 15/5/21.
+//  Copyright (c) 2015年 Qiniu. All rights reserved.
+//
+
+#import "QNConfiguration.h"
+#import "QNResponseInfo.h"
+#import "QNUpToken.h"
+#import "QNReportConfig.h"
+#import "QNAutoZone.h"
+#import "QN_GTM_Base64.h"
+
+const UInt32 kQNBlockSize = 4 * 1024 * 1024;
+const UInt32 kQNDefaultDnsCacheTime = 2 * 60;
+
+
+@implementation QNConfiguration
+
++ (instancetype)defaultConfiguration{
+    QNConfigurationBuilder *builder = [[QNConfigurationBuilder alloc] init];
+    return [[QNConfiguration alloc] initWithBuilder:builder];
+}
+
++ (instancetype)build:(QNConfigurationBuilderBlock)block {
+    QNConfigurationBuilder *builder = [[QNConfigurationBuilder alloc] init];
+    block(builder);
+    return [[QNConfiguration alloc] initWithBuilder:builder];
+}
+
+- (instancetype)initWithBuilder:(QNConfigurationBuilder *)builder {
+    if (self = [super init]) {
+        _useConcurrentResumeUpload = builder.useConcurrentResumeUpload;
+        _resumeUploadVersion = builder.resumeUploadVersion;
+        _concurrentTaskCount = builder.concurrentTaskCount;
+        
+        _chunkSize = builder.chunkSize;
+        if (builder.resumeUploadVersion == QNResumeUploadVersionV1) {
+            if (_chunkSize < 1024) {
+                _chunkSize = 1024;
+            }
+        } else if (builder.resumeUploadVersion == QNResumeUploadVersionV2) {
+            if (_chunkSize < 1024 * 1024) {
+                _chunkSize = 1024 * 1024;
+            }
+        }
+        
+        _putThreshold = builder.putThreshold;
+        _retryMax = builder.retryMax;
+        _retryInterval = builder.retryInterval;
+        _timeoutInterval = builder.timeoutInterval;
+
+        _recorder = builder.recorder;
+        _recorderKeyGen = builder.recorderKeyGen;
+
+        _proxy = builder.proxy;
+
+        _converter = builder.converter;
+        
+        _zone = builder.zone;
+
+        _useHttps = builder.useHttps;
+
+        _allowBackupHost = builder.allowBackupHost;
+        _accelerateUploading = builder.accelerateUploading;
+
+    }
+    return self;
+}
+
+@end
+
+
+@interface QNGlobalConfiguration(){
+    NSArray *_defaultDohIpv4Servers;
+    NSArray *_defaultDohIpv6Servers;
+    NSArray *_defaultUdpDnsIpv4Servers;
+    NSArray *_defaultUdpDnsIpv6Servers;
+    NSArray *_defaultConnectCheckUrls;
+}
+
+@property(nonatomic, strong)NSArray *defaultDohIpv4Servers;
+@property(nonatomic, strong)NSArray *defaultDohIpv6Servers;
+@property(nonatomic, strong)NSArray *defaultUdpDnsIpv4Servers;
+@property(nonatomic, strong)NSArray *defaultUdpDnsIpv6Servers;
+@property(nonatomic, strong)NSArray *defaultConnectCheckUrls;
+@end
+@implementation QNGlobalConfiguration
++ (instancetype)shared{
+    static QNGlobalConfiguration *config = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        config = [[QNGlobalConfiguration alloc] init];
+        [config setupData];
+    });
+    return config;
+}
+- (void)setupData{
+    _isDnsOpen = YES;
+    _dnsResolveTimeout = 2;
+    _dnsCacheDir = [NSHomeDirectory() stringByAppendingPathComponent:@"Library/Caches/Dns"];
+    _dnsRepreHostNum = 2;
+    _dnsCacheTime = kQNDefaultDnsCacheTime;
+    _dnsCacheMaxTTL = 10*60;
+    
+    _dohEnable = true;
+    _defaultDohIpv4Servers = [self parseBase64Array:@"WyJodHRwczovLzIyMy42LjYuNi9kbnMtcXVlcnkiLCAiaHR0cHM6Ly84LjguOC44L2Rucy1xdWVyeSJd"];
+    
+    _udpDnsEnable = true;
+    _defaultUdpDnsIpv4Servers = [self parseBase64Array:@"WyIyMjMuNS41LjUiLCAiMTE0LjExNC4xMTQuMTE0IiwgIjEuMS4xLjEiLCAiOC44LjguOCJd"];
+    
+    _globalHostFrozenTime = 60;
+    _partialHostFrozenTime = 5*60;
+    
+    _connectCheckEnable = YES;
+    _connectCheckTimeout = 2;
+    _defaultConnectCheckUrls = [self parseBase64Array:@"WyJodHRwczovL3d3dy5xaW5pdS5jb20iLCAiaHR0cHM6Ly93d3cuYmFpZHUuY29tIiwgImh0dHBzOi8vd3d3Lmdvb2dsZS5jb20iXQ=="];
+    _connectCheckURLStrings = nil;
+}
+
+- (NSArray *)parseBase64Array:(NSString *)data {
+    NSData *jsonData = [QN_GTM_Base64 decodeData:[data dataUsingEncoding:NSUTF8StringEncoding]];
+    NSArray *ret = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableLeaves error:nil];
+    if (ret && [ret isKindOfClass:[NSArray class]]) {
+        return ret;
+    }
+    return nil;
+}
+
+- (BOOL)isDohEnable {
+    return _dohEnable && (self.dohIpv4Servers.count > 0 || self.dohIpv6Servers.count > 0) ;
+}
+
+- (NSArray<NSString *> *)dohIpv4Servers {
+    if (_dohIpv4Servers) {
+        return _dohIpv4Servers;
+    } else {
+        return self.defaultDohIpv4Servers;
+    }
+}
+
+- (NSArray<NSString *> *)dohIpv6Servers {
+    if (_dohIpv6Servers) {
+        return _dohIpv6Servers;
+    } else {
+        return self.defaultDohIpv6Servers;
+    }
+}
+
+- (NSArray<NSString *> *)udpDnsIpv4Servers {
+    if (_udpDnsIpv4Servers) {
+        return _udpDnsIpv4Servers;
+    } else {
+        return self.defaultUdpDnsIpv4Servers;
+    }
+}
+
+- (NSArray<NSString *> *)udpDnsIpv6Servers {
+    if (_udpDnsIpv6Servers) {
+        return _udpDnsIpv6Servers;
+    } else {
+        return self.defaultUdpDnsIpv6Servers;
+    }
+}
+
+- (BOOL)isUdpDnsEnable {
+    return _udpDnsEnable && (self.udpDnsIpv4Servers.count > 0 || self.udpDnsIpv6Servers.count > 0) ;
+}
+
+- (NSArray<NSString *> *)connectCheckURLStrings {
+    if (_connectCheckURLStrings) {
+        return _connectCheckURLStrings;
+    } else {
+        return self.defaultConnectCheckUrls;
+    }
+}
+
+- (NSArray *)defaultDohIpv4Servers {
+    NSArray *arr = nil;
+    @synchronized (self) {
+        if (_defaultDohIpv4Servers) {
+            arr = [_defaultDohIpv4Servers copy];
+        }
+    }
+    return arr;
+}
+
+- (void)setDefaultDohIpv4Servers:(NSArray *)defaultDohIpv4Servers {
+    @synchronized (self) {
+        _defaultDohIpv4Servers = defaultDohIpv4Servers;
+    }
+}
+
+- (NSArray *)defaultDohIpv6Servers {
+    NSArray *arr = nil;
+    @synchronized (self) {
+        if (_defaultDohIpv6Servers) {
+            arr = [_defaultDohIpv6Servers copy];
+        }
+    }
+    return arr;
+}
+
+- (void)setDefaultDohIpv6Servers:(NSArray *)defaultDohIpv6Servers {
+    @synchronized (self) {
+        _defaultDohIpv6Servers = defaultDohIpv6Servers;
+    }
+}
+
+
+- (NSArray *)defaultUdpDnsIpv4Servers {
+    NSArray *arr = nil;
+    @synchronized (self) {
+        if (_defaultUdpDnsIpv4Servers) {
+            arr = [_defaultUdpDnsIpv4Servers copy];
+        }
+    }
+    return arr;
+}
+
+- (void)setDefaultUdpDnsIpv4Servers:(NSArray *)defaultUdpDnsIpv4Servers {
+    @synchronized (self) {
+        _defaultUdpDnsIpv4Servers = defaultUdpDnsIpv4Servers;
+    }
+}
+
+
+- (NSArray *)defaultUdpDnsIpv6Servers {
+    NSArray *arr = nil;
+    @synchronized (self) {
+        if (_defaultUdpDnsIpv6Servers) {
+            arr = [_defaultUdpDnsIpv6Servers copy];
+        }
+    }
+    return arr;
+}
+
+- (void)setDefaultUdpDnsIpv6Servers:(NSArray *)defaultUdpDnsIpv6Servers {
+    @synchronized (self) {
+        _defaultUdpDnsIpv6Servers = defaultUdpDnsIpv6Servers;
+    }
+}
+
+- (NSArray *)defaultConnectCheckUrls {
+    NSArray *arr = nil;
+    @synchronized (self) {
+        if (_defaultConnectCheckUrls) {
+            arr = [_defaultConnectCheckUrls copy];
+        }
+    }
+    return arr;
+}
+
+- (void)setDefaultConnectCheckUrls:(NSArray *)defaultConnectCheckUrls {
+    @synchronized (self) {
+        _defaultConnectCheckUrls = defaultConnectCheckUrls;
+    }
+}
+
+
+@end
+
+@implementation QNConfigurationBuilder
+
+- (instancetype)init {
+    if (self = [super init]) {
+        _zone = [[QNAutoZone alloc] init];
+        _chunkSize = 2 * 1024 * 1024;
+        _putThreshold = 4 * 1024 * 1024;
+        _retryMax = 1;
+        _timeoutInterval = 90;
+        _retryInterval = 0.5;
+
+        _recorder = nil;
+        _recorderKeyGen = nil;
+
+        _proxy = nil;
+        _converter = nil;
+
+        _useHttps = YES;
+        _allowBackupHost = YES;
+        _accelerateUploading = NO;
+        _useConcurrentResumeUpload = NO;
+        _resumeUploadVersion = QNResumeUploadVersionV1;
+        _concurrentTaskCount = 3;
+    }
+    return self;
+}
+
+@end
+

Pods/Qiniu/QiniuSDK/Storage/QNFormUpload.h

@@ -0,0 +1,13 @@
+//
+//  QNFormUpload.h
+//  QiniuSDK
+//
+//  Created by bailong on 15/1/4.
+//  Copyright (c) 2015年 Qiniu. All rights reserved.
+//
+
+#import "QNBaseUpload.h"
+
+@interface QNFormUpload : QNBaseUpload
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNFormUpload.m

@@ -0,0 +1,73 @@
+//
+//  QNFormUpload.m
+//  QiniuSDK
+//
+//  Created by bailong on 15/1/4.
+//  Copyright (c) 2015年 Qiniu. All rights reserved.
+//
+#import "QNDefine.h"
+#import "QNLogUtil.h"
+#import "QNFormUpload.h"
+#import "QNResponseInfo.h"
+#import "QNUpProgress.h"
+#import "QNRequestTransaction.h"
+
+@interface QNFormUpload ()
+
+@property(nonatomic, strong)QNUpProgress *progress;
+
+@property(nonatomic, strong)QNRequestTransaction *uploadTransaction;
+
+@end
+
+@implementation QNFormUpload
+
+- (void)startToUpload {
+    [super startToUpload];
+    
+    QNLogInfo(@"key:%@ form上传", self.key);
+    
+    self.uploadTransaction = [[QNRequestTransaction alloc] initWithConfig:self.config
+                                                             uploadOption:self.option
+                                                             targetRegion:[self getTargetRegion]
+                                                            currentRegion:[self getCurrentRegion]
+                                                                      key:self.key
+                                                                    token:self.token];
+
+    kQNWeakSelf;
+    void(^progressHandler)(long long totalBytesWritten, long long totalBytesExpectedToWrite) = ^(long long totalBytesWritten, long long totalBytesExpectedToWrite){
+        kQNStrongSelf;
+        [self.progress progress:self.key uploadBytes:totalBytesWritten totalBytes:totalBytesExpectedToWrite];
+    };
+ 
+    [self.uploadTransaction uploadFormData:self.data
+                                  fileName:self.fileName
+                                  progress:progressHandler
+                                  complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        
+        [self addRegionRequestMetricsOfOneFlow:metrics];
+        
+        if (!responseInfo.isOK) {
+            if (![self switchRegionAndUploadIfNeededWithErrorResponse:responseInfo]) {
+                [self complete:responseInfo response:response];
+            }
+            return;
+        }
+        
+        [self.progress notifyDone:self.key totalBytes:self.data.length];
+        [self complete:responseInfo response:response];
+    }];
+}
+
+- (QNUpProgress *)progress {
+    if (_progress == nil) {
+        _progress = [QNUpProgress progress:self.option.progressHandler byteProgress:self.option.byteProgressHandler];
+    }
+    return _progress;
+}
+
+- (NSString *)upType {
+    return QNUploadUpTypeForm;
+}
+@end

Pods/Qiniu/QiniuSDK/Storage/QNPartsUpload.h

@@ -0,0 +1,24 @@
+//
+//  QNPartsUpload.h
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/5/7.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+/// 分片上传，默认为串行
+
+#import "QNBaseUpload.h"
+#import "QNUploadInfo.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class QNRequestTransaction;
+@interface QNPartsUpload : QNBaseUpload
+
+/// 上传剩余的数据，此方法整合上传流程，上传操作为performUploadRestData，默认串行上传
+- (void)uploadRestData:(dispatch_block_t)completeHandler;
+- (void)performUploadRestData:(dispatch_block_t)completeHandler;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Storage/QNPartsUpload.m

@@ -0,0 +1,324 @@
+//
+//  QNPartsUpload.m
+//  QiniuSDK_Mac
+//
+//  Created by yangsen on 2020/5/7.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNDefine.h"
+#import "QNUtils.h"
+#import "QNLogUtil.h"
+#import "QNPartsUpload.h"
+#import "QNZoneInfo.h"
+#import "QNReportItem.h"
+#import "QNRequestTransaction.h"
+#import "QNPartsUploadPerformerV1.h"
+#import "QNPartsUploadPerformerV2.h"
+
+#define kQNRecordFileInfoKey @"recordFileInfo"
+#define kQNRecordZoneInfoKey @"recordZoneInfo"
+
+
+@interface QNPartsUpload()
+
+@property(nonatomic, strong)QNPartsUploadPerformer *uploadPerformer;
+
+@property(   atomic, strong)QNResponseInfo *uploadDataErrorResponseInfo;
+@property(   atomic, strong)NSDictionary *uploadDataErrorResponse;
+
+@end
+@implementation QNPartsUpload
+
+- (void)initData {
+    [super initData];
+    // 根据文件从本地恢复上传信息，如果没有则重新构建上传信息
+    if (self.config.resumeUploadVersion == QNResumeUploadVersionV1) {
+        QNLogInfo(@"key:%@ 分片V1", self.key);
+        self.uploadPerformer = [[QNPartsUploadPerformerV1 alloc] initWithSource:self.uploadSource
+                                                                       fileName:self.fileName
+                                                                            key:self.key
+                                                                          token:self.token
+                                                                         option:self.option
+                                                                  configuration:self.config
+                                                                    recorderKey:self.recorderKey];
+    } else {
+        QNLogInfo(@"key:%@ 分片V2", self.key);
+        self.uploadPerformer = [[QNPartsUploadPerformerV2 alloc] initWithSource:self.uploadSource
+                                                                       fileName:self.fileName
+                                                                            key:self.key
+                                                                          token:self.token
+                                                                         option:self.option
+                                                                  configuration:self.config
+                                                                    recorderKey:self.recorderKey];
+    }
+}
+
+- (BOOL)isAllUploaded {
+    return [self.uploadPerformer.uploadInfo isAllUploaded];
+}
+
+- (void)setErrorResponseInfo:(QNResponseInfo *)responseInfo errorResponse:(NSDictionary *)response{
+    if (!responseInfo) {
+        return;
+    }
+    if (!self.uploadDataErrorResponseInfo || responseInfo.statusCode != kQNSDKInteriorError) {
+        self.uploadDataErrorResponseInfo = responseInfo;
+        self.uploadDataErrorResponse = response ?: responseInfo.responseDictionary;
+    }
+}
+
+- (int)prepareToUpload{
+    int code = [super prepareToUpload];
+    if (code != 0) {
+        return code;
+    }
+    
+    // 配置当前region
+    if (self.uploadPerformer.currentRegion && self.uploadPerformer.currentRegion.isValid) {
+        // currentRegion有值，为断点续传，将region插入至regionList第一处
+        [self insertRegionAtFirst:self.uploadPerformer.currentRegion];
+        QNLogInfo(@"key:%@ 使用缓存region", self.key);
+    } else {
+        // currentRegion无值 切换region
+        [self.uploadPerformer switchRegion:[self getCurrentRegion]];
+    }
+    QNLogInfo(@"key:%@ region:%@", self.key, self.uploadPerformer.currentRegion.zoneInfo.regionId);
+    
+    if (self.uploadSource == nil) {
+        code = kQNLocalIOError;
+    }
+    return code;
+}
+
+- (BOOL)switchRegion{
+    BOOL isSuccess = [super switchRegion];
+    if (isSuccess) {
+        [self.uploadPerformer switchRegion:self.getCurrentRegion];
+        QNLogInfo(@"key:%@ 切换region：%@", self.key , self.uploadPerformer.currentRegion.zoneInfo.regionId);
+    }
+    return isSuccess;
+}
+
+- (BOOL)switchRegionAndUploadIfNeededWithErrorResponse:(QNResponseInfo *)errorResponseInfo {
+    [self reportBlock];
+    return [super switchRegionAndUploadIfNeededWithErrorResponse:errorResponseInfo];
+}
+
+- (BOOL)reloadUploadInfo {
+    if (![super reloadUploadInfo]) {
+        return NO;
+    }
+    
+    // 重新加载资源
+    return [self.uploadPerformer couldReloadInfo] && [self.uploadPerformer reloadInfo];
+}
+
+- (void)startToUpload{
+    [super startToUpload];
+
+    // 重置错误信息
+    self.uploadDataErrorResponseInfo = nil;
+    self.uploadDataErrorResponse = nil;
+    
+    
+    QNLogInfo(@"key:%@ serverInit", self.key);
+    
+    // 1. 启动upload
+    kQNWeakSelf;
+    [self serverInit:^(QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        
+        if (!responseInfo.isOK) {
+            if (![self switchRegionAndUploadIfNeededWithErrorResponse:responseInfo]) {
+                [self complete:responseInfo response:response];
+            }
+            return;
+        }
+        
+        QNLogInfo(@"key:%@ uploadRestData", self.key);
+        
+        // 2. 上传数据
+        kQNWeakSelf;
+        [self uploadRestData:^{
+            kQNStrongSelf;
+            
+            if (![self isAllUploaded]) {
+                if (![self switchRegionAndUploadIfNeededWithErrorResponse:self.uploadDataErrorResponseInfo]) {
+                    [self complete:self.uploadDataErrorResponseInfo response:self.uploadDataErrorResponse];
+                }
+                return;
+            }
+            
+            // 只有再读取结束再能知道文件大小，需要检测
+            if ([self.uploadPerformer.uploadInfo getSourceSize] == 0) {
+                QNResponseInfo *responseInfo = [QNResponseInfo responseInfoOfZeroData:@"file is empty"];
+                [self complete:responseInfo response:responseInfo.responseDictionary];
+                return;
+            }
+            
+            QNLogInfo(@"key:%@ completeUpload errorResponseInfo:%@", self.key, self.uploadDataErrorResponseInfo);
+            
+            // 3. 组装文件
+            kQNWeakSelf;
+            [self completeUpload:^(QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response) {
+                kQNStrongSelf;
+                                
+                if (!responseInfo.isOK) {
+                    if (![self switchRegionAndUploadIfNeededWithErrorResponse:responseInfo]) {
+                        [self complete:responseInfo response:response];
+                    }
+                    return;
+                }
+                [self complete:responseInfo response:response];
+            }];
+        }];
+    }];
+}
+
+- (void)uploadRestData:(dispatch_block_t)completeHandler {
+    QNLogInfo(@"key:%@ 串行分片", self.key);
+    [self performUploadRestData:completeHandler];
+}
+
+- (void)performUploadRestData:(dispatch_block_t)completeHandler {
+    if ([self isAllUploaded]) {
+        completeHandler();
+        return;
+    }
+    
+    kQNWeakSelf;
+    [self uploadNextData:^(BOOL stop, QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        
+        if (stop || !responseInfo.isOK) {
+            completeHandler();
+        } else {
+            [self performUploadRestData:completeHandler];
+        }
+    }];
+}
+
+//MARK:-- concurrent upload model API
+- (void)serverInit:(void(^)(QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response))completeHandler {
+    
+    kQNWeakSelf;
+    void(^completeHandlerP)(QNResponseInfo *, QNUploadRegionRequestMetrics *, NSDictionary *) = ^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response){
+        kQNStrongSelf;
+        
+        if (!responseInfo.isOK) {
+            [self setErrorResponseInfo:responseInfo errorResponse:response];
+        }
+        [self addRegionRequestMetricsOfOneFlow:metrics];
+        completeHandler(responseInfo, response);
+    };
+    
+    [self.uploadPerformer serverInit:completeHandlerP];
+}
+
+- (void)uploadNextData:(void(^)(BOOL stop, QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response))completeHandler {
+    
+    kQNWeakSelf;
+    void(^completeHandlerP)(BOOL, QNResponseInfo *, QNUploadRegionRequestMetrics *, NSDictionary *) = ^(BOOL stop, QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response){
+        kQNStrongSelf;
+        
+        if (!responseInfo.isOK) {
+            [self setErrorResponseInfo:responseInfo errorResponse:response];
+        }
+        [self addRegionRequestMetricsOfOneFlow:metrics];
+        completeHandler(stop, responseInfo, response);
+    };
+    
+    [self.uploadPerformer uploadNextData:completeHandlerP];
+}
+
+- (void)completeUpload:(void(^)(QNResponseInfo * _Nullable responseInfo, NSDictionary * _Nullable response))completeHandler {
+    
+    kQNWeakSelf;
+    void(^completeHandlerP)(QNResponseInfo *, QNUploadRegionRequestMetrics *, NSDictionary *) = ^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response){
+        kQNStrongSelf;
+        
+        if (!responseInfo.isOK) {
+            [self setErrorResponseInfo:responseInfo errorResponse:response];
+        }
+        [self addRegionRequestMetricsOfOneFlow:metrics];
+        completeHandler(responseInfo, response);
+    };
+    [self.uploadPerformer completeUpload:completeHandlerP];
+}
+
+
+- (void)complete:(QNResponseInfo *)info response:(NSDictionary *)response{
+    [self.uploadSource close];
+    if ([self shouldRemoveUploadInfoRecord:info]) {
+        [self.uploadPerformer removeUploadInfoRecord];
+    }
+    
+    [super complete:info response:response];
+    
+    [self reportBlock];
+}
+
+- (BOOL)shouldRemoveUploadInfoRecord:(QNResponseInfo *)info {
+    return info.isOK || info.statusCode == 612 || info.statusCode == 614 || info.statusCode == 701;
+}
+
+//MARK:-- 统计block日志
+- (void)reportBlock{
+    
+    QNUploadRegionRequestMetrics *metrics = self.currentRegionRequestMetrics ?: [QNUploadRegionRequestMetrics emptyMetrics];
+    
+    QNReportItem *item = [QNReportItem item];
+    [item setReportValue:QNReportLogTypeBlock forKey:QNReportBlockKeyLogType];
+    [item setReportValue:@([[NSDate date] timeIntervalSince1970]) forKey:QNReportBlockKeyUpTime];
+    [item setReportValue:self.token.bucket forKey:QNReportBlockKeyTargetBucket];
+    [item setReportValue:self.key forKey:QNReportBlockKeyTargetKey];
+    [item setReportValue:[self getTargetRegion].zoneInfo.regionId forKey:QNReportBlockKeyTargetRegionId];
+    [item setReportValue:[self getCurrentRegion].zoneInfo.regionId forKey:QNReportBlockKeyCurrentRegionId];
+    [item setReportValue:metrics.totalElapsedTime forKey:QNReportBlockKeyTotalElapsedTime];
+    [item setReportValue:metrics.bytesSend forKey:QNReportBlockKeyBytesSent];
+    [item setReportValue:self.uploadPerformer.recoveredFrom forKey:QNReportBlockKeyRecoveredFrom];
+    [item setReportValue:@([self.uploadSource getSize]) forKey:QNReportBlockKeyFileSize];
+    [item setReportValue:@([QNUtils getCurrentProcessID]) forKey:QNReportBlockKeyPid];
+    [item setReportValue:@([QNUtils getCurrentThreadID]) forKey:QNReportBlockKeyTid];
+    
+    [item setReportValue:metrics.metricsList.lastObject.hijacked forKey:QNReportBlockKeyHijacking];
+    
+    // 统计当前 region 上传速度 文件大小 / 总耗时
+    if (self.uploadDataErrorResponseInfo == nil && [self.uploadSource getSize] > 0 && [metrics totalElapsedTime] > 0) {
+        NSNumber *speed = [QNUtils calculateSpeed:[self.uploadSource getSize] totalTime:[metrics totalElapsedTime].longLongValue];
+        [item setReportValue:speed forKey:QNReportBlockKeyPerceptiveSpeed];
+    }
+
+    if (self.config.resumeUploadVersion == QNResumeUploadVersionV1) {
+        [item setReportValue:@(1) forKey:QNReportBlockKeyUpApiVersion];
+    } else {
+        [item setReportValue:@(2) forKey:QNReportBlockKeyUpApiVersion];
+    }
+    
+    [item setReportValue:[QNUtils getCurrentNetworkType] forKey:QNReportBlockKeyClientTime];
+    [item setReportValue:[QNUtils systemName] forKey:QNReportBlockKeyOsName];
+    [item setReportValue:[QNUtils systemVersion] forKey:QNReportBlockKeyOsVersion];
+    [item setReportValue:[QNUtils sdkLanguage] forKey:QNReportBlockKeySDKName];
+    [item setReportValue:[QNUtils sdkVersion] forKey:QNReportBlockKeySDKVersion];
+    
+    [kQNReporter reportItem:item token:self.token.token];
+}
+
+- (NSString *)upType {
+    if (self.config == nil) {
+        return nil;
+    }
+    
+    NSString *sourceType = @"";
+    if ([self.uploadSource respondsToSelector:@selector(sourceType)]) {
+        sourceType = [self.uploadSource sourceType];
+    }
+    if (self.config.resumeUploadVersion == QNResumeUploadVersionV1) {
+        return [NSString stringWithFormat:@"%@<%@>",QNUploadUpTypeResumableV1, sourceType];
+    } else {
+        return [NSString stringWithFormat:@"%@<%@>",QNUploadUpTypeResumableV2, sourceType];
+    }
+}
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNPartsUploadPerformer.h

@@ -0,0 +1,87 @@
+//
+//  QNPartsUploadPerformer.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/12/1.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+/// 抽象类，不可以直接使用，需要使用子类
+
+#import "QNFileDelegate.h"
+#import "QNUploadSource.h"
+#import "QNResponseInfo.h"
+#import "QNUploadOption.h"
+#import "QNConfiguration.h"
+#import "QNUpToken.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol QNUploadRegion;
+@class QNUploadInfo, QNRequestTransaction, QNUploadRegionRequestMetrics;
+
+@interface QNPartsUploadPerformer : NSObject
+
+@property (nonatomic,   copy, readonly) NSString *key;
+@property (nonatomic,   copy, readonly) NSString *fileName;
+@property (nonatomic, strong, readonly) id <QNUploadSource> uploadSource;
+@property (nonatomic, strong, readonly) QNUpToken *token;
+
+@property (nonatomic, strong, readonly) QNUploadOption *option;
+@property (nonatomic, strong, readonly) QNConfiguration *config;
+@property (nonatomic, strong, readonly) id <QNRecorderDelegate> recorder;
+@property (nonatomic,   copy, readonly) NSString *recorderKey;
+
+/// 断点续传时，起始上传偏移
+@property(nonatomic, strong, readonly)NSNumber *recoveredFrom;
+@property(nonatomic, strong, readonly)id <QNUploadRegion> currentRegion;
+@property(nonatomic, strong, readonly)QNUploadInfo *uploadInfo;
+
+- (instancetype)initWithSource:(id<QNUploadSource>)uploadSource
+                      fileName:(NSString *)fileName
+                           key:(NSString *)key
+                         token:(QNUpToken *)token
+                        option:(QNUploadOption *)option
+                 configuration:(QNConfiguration *)config
+                   recorderKey:(NSString *)recorderKey;
+
+// 是否可以重新加载资源
+- (BOOL)couldReloadInfo;
+
+// 重新加载资源
+- (BOOL)reloadInfo;
+
+- (void)switchRegion:(id <QNUploadRegion>)region;
+
+/// 通知回调当前进度
+- (void)notifyProgress:(BOOL)isCompleted;
+
+/// 分片信息保存本地
+- (void)recordUploadInfo;
+/// 分片信息从本地移除
+- (void)removeUploadInfoRecord;
+
+/// 根据字典构造分片信息 【子类实现】
+- (QNUploadInfo *)getFileInfoWithDictionary:(NSDictionary * _Nonnull)fileInfoDictionary;
+/// 根据配置构造分片信息 【子类实现】
+- (QNUploadInfo *)getDefaultUploadInfo;
+
+- (QNRequestTransaction *)createUploadRequestTransaction;
+- (void)destroyUploadRequestTransaction:(QNRequestTransaction *)transaction;
+
+/// 上传前，服务端配置工作 【子类实现】
+- (void)serverInit:(void(^)(QNResponseInfo * _Nullable responseInfo,
+                            QNUploadRegionRequestMetrics * _Nullable metrics,
+                            NSDictionary * _Nullable response))completeHandler;
+/// 上传文件分片 【子类实现】
+- (void)uploadNextData:(void(^)(BOOL stop,
+                                QNResponseInfo * _Nullable responseInfo,
+                                QNUploadRegionRequestMetrics * _Nullable metrics,
+                                NSDictionary * _Nullable response))completeHandler;
+/// 完成上传，服务端组织文件信息 【子类实现】
+- (void)completeUpload:(void(^)(QNResponseInfo * _Nullable responseInfo,
+                                QNUploadRegionRequestMetrics * _Nullable metrics,
+                                NSDictionary * _Nullable response))completeHandler;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Storage/QNPartsUploadPerformer.m

@@ -0,0 +1,237 @@
+//
+//  QNPartsUploadPerformer.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/12/1.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNLogUtil.h"
+#import "QNAsyncRun.h"
+#import "QNUpToken.h"
+#import "QNZoneInfo.h"
+#import "QNUploadOption.h"
+#import "QNConfiguration.h"
+#import "QNUploadInfo.h"
+#import "QNUploadRegionInfo.h"
+#import "QNRecorderDelegate.h"
+#import "QNUploadDomainRegion.h"
+#import "QNPartsUploadPerformer.h"
+#import "QNUpProgress.h"
+#import "QNRequestTransaction.h"
+
+#define kQNRecordFileInfoKey @"recordFileInfo"
+#define kQNRecordZoneInfoKey @"recordZoneInfo"
+
+@interface QNPartsUploadPerformer()
+
+@property (nonatomic,   copy) NSString *key;
+@property (nonatomic,   copy) NSString *fileName;
+@property (nonatomic, strong) id <QNUploadSource> uploadSource;
+@property (nonatomic, strong) QNUpToken *token;
+
+@property (nonatomic, strong) QNUploadOption *option;
+@property (nonatomic, strong) QNConfiguration *config;
+@property (nonatomic, strong) id <QNRecorderDelegate> recorder;
+@property (nonatomic,   copy) NSString *recorderKey;
+
+@property (nonatomic, strong) NSNumber *recoveredFrom;
+@property (nonatomic, strong) id <QNUploadRegion> targetRegion;
+@property (nonatomic, strong) id <QNUploadRegion> currentRegion;
+@property (nonatomic, strong) QNUploadInfo *uploadInfo;
+
+@property(nonatomic, strong) NSLock *progressLocker;
+@property(nonatomic, strong) QNUpProgress *progress;
+@property(nonatomic, strong) NSMutableArray <QNRequestTransaction *> *uploadTransactions;
+
+@end
+@implementation QNPartsUploadPerformer
+
+- (instancetype)initWithSource:(id<QNUploadSource>)uploadSource
+                      fileName:(NSString *)fileName
+                           key:(NSString *)key
+                         token:(QNUpToken *)token
+                        option:(QNUploadOption *)option
+                 configuration:(QNConfiguration *)config
+                   recorderKey:(NSString *)recorderKey {
+    if (self = [super init]) {
+        _uploadSource = uploadSource;
+        _fileName = fileName;
+        _key = key;
+        _token = token;
+        _option = option;
+        _config = config;
+        _recorder = config.recorder;
+        _recorderKey = recorderKey;
+        
+        [self initData];
+    }
+    return self;
+}
+
+- (void)initData {
+    self.uploadTransactions = [NSMutableArray array];
+    
+    if (!self.uploadInfo) {
+        self.uploadInfo = [self getDefaultUploadInfo];
+    }
+    [self recoverUploadInfoFromRecord];
+}
+
+- (BOOL)couldReloadInfo {
+    return [self.uploadInfo couldReloadSource];
+}
+
+- (BOOL)reloadInfo {
+    self.recoveredFrom = nil;
+    [self.uploadInfo clearUploadState];
+    return [self.uploadInfo reloadSource];
+}
+
+- (void)switchRegion:(id <QNUploadRegion>)region {
+    self.currentRegion = region;
+    if (!self.targetRegion) {
+        self.targetRegion = region;
+    }
+}
+
+- (void)notifyProgress:(BOOL)isCompleted {
+    if (self.uploadInfo == nil) {
+        return;
+    }
+    
+    if (isCompleted) {
+        [self.progress notifyDone:self.key totalBytes:[self.uploadInfo getSourceSize]];
+    } else {
+        [self.progress progress:self.key uploadBytes:[self.uploadInfo uploadSize] totalBytes:[self.uploadInfo getSourceSize]];
+    }
+}
+
+- (void)recordUploadInfo {
+
+    NSString *key = self.recorderKey;
+    if (self.recorder == nil || key == nil || key.length == 0) {
+        return;
+    }
+    @synchronized (self) {
+        NSDictionary *zoneInfo = [self.currentRegion zoneInfo].detailInfo;
+        NSDictionary *uploadInfo = [self.uploadInfo toDictionary];
+        if (zoneInfo && uploadInfo) {
+            NSDictionary *info = @{kQNRecordZoneInfoKey : zoneInfo,
+                                   kQNRecordFileInfoKey : uploadInfo};
+            NSData *data = [NSJSONSerialization dataWithJSONObject:info options:NSJSONWritingPrettyPrinted error:nil];
+            if (data) {
+                [self.recorder set:key data:data];
+            }
+        }
+    }
+    QNLogInfo(@"key:%@ recorderKey:%@ recordUploadInfo", self.key, self.recorderKey);
+}
+
+- (void)removeUploadInfoRecord {
+    
+    self.recoveredFrom = nil;
+    [self.uploadInfo clearUploadState];
+    [self.recorder del:self.recorderKey];
+    QNLogInfo(@"key:%@ recorderKey:%@ removeUploadInfoRecord", self.key, self.recorderKey);
+}
+
+- (void)recoverUploadInfoFromRecord {
+    QNLogInfo(@"key:%@ recorderKey:%@ recorder:%@ recoverUploadInfoFromRecord", self.key, self.recorderKey, self.recorder);
+    
+    NSString *key = self.recorderKey;
+    if (self.recorder == nil || key == nil || [key isEqualToString:@""]) {
+        return;
+    }
+
+    NSData *data = [self.recorder get:key];
+    if (data == nil) {
+        QNLogInfo(@"key:%@ recorderKey:%@ recoverUploadInfoFromRecord data:nil", self.key, self.recorderKey);
+        return;
+    }
+
+    NSError *error = nil;
+    NSDictionary *info = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:&error];
+    if (error != nil || ![info isKindOfClass:[NSDictionary class]]) {
+        QNLogInfo(@"key:%@ recorderKey:%@ recoverUploadInfoFromRecord json error", self.key, self.recorderKey);
+        [self.recorder del:self.key];
+        return;
+    }
+
+    QNZoneInfo *zoneInfo = [QNZoneInfo zoneInfoFromDictionary:info[kQNRecordZoneInfoKey]];
+    QNUploadInfo *recoverUploadInfo = [self getFileInfoWithDictionary:info[kQNRecordFileInfoKey]];
+    
+    if (zoneInfo && self.uploadInfo && [recoverUploadInfo isValid]
+        && [self.uploadInfo isSameUploadInfo:recoverUploadInfo]) {
+        QNLogInfo(@"key:%@ recorderKey:%@ recoverUploadInfoFromRecord valid", self.key, self.recorderKey);
+        
+        [recoverUploadInfo checkInfoStateAndUpdate];
+        self.uploadInfo = recoverUploadInfo;
+        
+        QNUploadDomainRegion *region = [[QNUploadDomainRegion alloc] init];
+        [region setupRegionData:zoneInfo];
+        self.currentRegion = region;
+        self.targetRegion = region;
+        self.recoveredFrom = @([recoverUploadInfo uploadSize]);
+    } else {
+        QNLogInfo(@"key:%@ recorderKey:%@ recoverUploadInfoFromRecord invalid", self.key, self.recorderKey);
+        
+        [self.recorder del:self.key];
+        self.currentRegion = nil;
+        self.targetRegion = nil;
+        self.recoveredFrom = nil;
+    }
+}
+
+- (QNRequestTransaction *)createUploadRequestTransaction {
+    QNRequestTransaction *transaction = [[QNRequestTransaction alloc] initWithConfig:self.config
+                                                                        uploadOption:self.option
+                                                                        targetRegion:self.targetRegion
+                                                                       currentRegion:self.currentRegion
+                                                                                 key:self.key
+                                                                               token:self.token];
+    @synchronized (self) {
+        [self.uploadTransactions addObject:transaction];
+    }
+    return transaction;
+}
+
+- (void)destroyUploadRequestTransaction:(QNRequestTransaction *)transaction {
+    if (transaction) {
+        @synchronized (self) {
+            [self.uploadTransactions removeObject:transaction];
+        }
+    }
+}
+
+- (QNUploadInfo *)getFileInfoWithDictionary:(NSDictionary *)fileInfoDictionary {
+    return nil;
+}
+
+- (QNUploadInfo *)getDefaultUploadInfo {
+    return nil;
+}
+
+- (void)serverInit:(void (^)(QNResponseInfo * _Nullable,
+                             QNUploadRegionRequestMetrics * _Nullable,
+                             NSDictionary * _Nullable))completeHandler {}
+
+- (void)uploadNextData:(void (^)(BOOL stop,
+                                 QNResponseInfo * _Nullable,
+                                 QNUploadRegionRequestMetrics * _Nullable,
+                                 NSDictionary * _Nullable))completeHandler {}
+
+- (void)completeUpload:(void (^)(QNResponseInfo * _Nullable,
+                                 QNUploadRegionRequestMetrics * _Nullable,
+                                 NSDictionary * _Nullable))completeHandler {}
+
+- (QNUpProgress *)progress {
+    [self.progressLocker lock];
+    if (_progress == nil) {
+        _progress = [QNUpProgress progress:self.option.progressHandler byteProgress:self.option.byteProgressHandler];
+    }
+    [self.progressLocker unlock];
+    return _progress;
+}
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNPartsUploadPerformerV1.h

@@ -0,0 +1,19 @@
+//
+//  QNPartsUploadApiV1.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/11/30.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNPartsUploadPerformer.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNPartsUploadPerformerV1 : QNPartsUploadPerformer
+
+
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Storage/QNPartsUploadPerformerV1.m

@@ -0,0 +1,188 @@
+//
+//  QNPartsUploadApiV1.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/11/30.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNLogUtil.h"
+#import "QNDefine.h"
+#import "QNRequestTransaction.h"
+#import "QNUploadInfoV1.h"
+#import "QNPartsUploadPerformerV1.h"
+
+@interface QNPartsUploadPerformerV1()
+@end
+@implementation QNPartsUploadPerformerV1
++ (long long)blockSize{
+    return 4 * 1024 * 1024;
+}
+
+- (QNUploadInfo *)getFileInfoWithDictionary:(NSDictionary *)fileInfoDictionary {
+    return [QNUploadInfoV1 info:self.uploadSource dictionary:fileInfoDictionary];
+}
+
+- (QNUploadInfo *)getDefaultUploadInfo {
+    return [QNUploadInfoV1 info:self.uploadSource configuration:self.config];
+}
+
+- (void)serverInit:(void(^)(QNResponseInfo * _Nullable responseInfo,
+                            QNUploadRegionRequestMetrics * _Nullable metrics,
+                            NSDictionary * _Nullable response))completeHandler {
+    QNResponseInfo *responseInfo = [QNResponseInfo successResponse];
+    completeHandler(responseInfo, nil, nil);
+}
+
+- (void)uploadNextData:(void(^)(BOOL stop,
+                                QNResponseInfo * _Nullable responseInfo,
+                                QNUploadRegionRequestMetrics * _Nullable metrics,
+                                NSDictionary * _Nullable response))completeHandler {
+    QNUploadInfoV1 *uploadInfo = (QNUploadInfoV1 *)self.uploadInfo;
+    
+    NSError *error;
+    QNUploadBlock *block = nil;
+    QNUploadData *chunk = nil;
+    @synchronized (self) {
+        block = [uploadInfo nextUploadBlock:&error];
+        chunk = [uploadInfo nextUploadData:block];
+        chunk.state = QNUploadStateUploading;
+    }
+
+    if (error) {
+        QNResponseInfo *responseInfo = [QNResponseInfo responseInfoWithLocalIOError:[NSString stringWithFormat:@"%@", error]];
+        completeHandler(YES, responseInfo, nil, nil);
+        return;
+    }
+    
+    if (block == nil || chunk == nil) {
+        QNLogInfo(@"key:%@ no chunk left", self.key);
+        
+        QNResponseInfo *responseInfo = nil;
+        if (uploadInfo.getSourceSize == 0) {
+            responseInfo = [QNResponseInfo responseInfoOfZeroData:@"file is empty"];
+        } else {
+            responseInfo = [QNResponseInfo responseInfoWithSDKInteriorError:@"no chunk left"];
+        }
+        completeHandler(YES, responseInfo, nil, nil);
+        return;
+    }
+    
+    if (chunk.data == nil) {
+        QNLogInfo(@"key:%@ chunk data is nil", self.key);
+        
+        QNResponseInfo *responseInfo = [QNResponseInfo responseInfoOfZeroData:@"chunk data is nil"];;
+        completeHandler(YES, responseInfo, nil, nil);
+        return;
+    }
+    
+    kQNWeakSelf;
+    void (^progress)(long long, long long) = ^(long long totalBytesWritten, long long totalBytesExpectedToWrite){
+        kQNStrongSelf;
+        chunk.uploadSize = totalBytesWritten;
+        [self notifyProgress:false];
+    };
+    
+    void (^completeHandlerP)(QNResponseInfo *, QNUploadRegionRequestMetrics *, NSDictionary *) = ^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        
+        NSString *blockContext = response[@"ctx"];
+        NSNumber *expiredAt = response[@"expired_at"];
+        if (responseInfo.isOK && blockContext && expiredAt) {
+            block.context = blockContext;
+            block.expiredAt = expiredAt;
+            chunk.state = QNUploadStateComplete;
+            [self recordUploadInfo];
+            [self notifyProgress:false];
+        } else {
+            chunk.state = QNUploadStateWaitToUpload;
+        }
+        completeHandler(NO, responseInfo, metrics, response);
+    };
+    
+    if ([uploadInfo isFirstData:chunk]) {
+        QNLogInfo(@"key:%@ makeBlock", self.key);
+        [self makeBlock:block firstChunk:chunk chunkData:chunk.data progress:progress completeHandler:completeHandlerP];
+    } else {
+        QNLogInfo(@"key:%@ uploadChunk", self.key);
+        [self uploadChunk:block chunk:chunk chunkData:chunk.data progress:progress completeHandler:completeHandlerP];
+    }
+}
+
+- (void)completeUpload:(void(^)(QNResponseInfo * _Nullable responseInfo,
+                                QNUploadRegionRequestMetrics * _Nullable metrics,
+                                NSDictionary * _Nullable response))completeHandler {
+    QNUploadInfoV1 *uploadInfo = (QNUploadInfoV1 *)self.uploadInfo;
+    
+    QNRequestTransaction *transaction = [self createUploadRequestTransaction];
+    
+    kQNWeakSelf;
+    kQNWeakObj(transaction);
+    [transaction makeFile:[uploadInfo getSourceSize]
+                 fileName:self.fileName
+            blockContexts:[uploadInfo allBlocksContexts]
+                 complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        kQNStrongObj(transaction);
+        if (responseInfo.isOK) {
+            [self notifyProgress:true];
+        }
+        completeHandler(responseInfo, metrics, response);
+        [self destroyUploadRequestTransaction:transaction];
+    }];
+}
+
+
+- (void)makeBlock:(QNUploadBlock *)block
+       firstChunk:(QNUploadData *)chunk
+        chunkData:(NSData *)chunkData
+         progress:(void(^)(long long totalBytesWritten,
+                           long long totalBytesExpectedToWrite))progress
+  completeHandler:(void(^)(QNResponseInfo * _Nullable responseInfo,
+                           QNUploadRegionRequestMetrics * _Nullable metrics,
+                           NSDictionary * _Nullable response))completeHandler {
+    
+    QNRequestTransaction *transaction = [self createUploadRequestTransaction];
+    kQNWeakSelf;
+    kQNWeakObj(transaction);
+    [transaction makeBlock:block.offset
+                 blockSize:block.size
+            firstChunkData:chunkData
+                  progress:progress
+                  complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        kQNStrongObj(transaction);
+        
+        completeHandler(responseInfo, metrics, response);
+        [self destroyUploadRequestTransaction:transaction];
+    }];
+}
+
+
+- (void)uploadChunk:(QNUploadBlock *)block
+              chunk:(QNUploadData *)chunk
+          chunkData:(NSData *)chunkData
+           progress:(void(^)(long long totalBytesWritten,
+                             long long totalBytesExpectedToWrite))progress
+    completeHandler:(void(^)(QNResponseInfo * _Nullable responseInfo,
+                             QNUploadRegionRequestMetrics * _Nullable metrics,
+                             NSDictionary * _Nullable response))completeHandler {
+    
+    QNRequestTransaction *transaction = [self createUploadRequestTransaction];
+    kQNWeakSelf;
+    kQNWeakObj(transaction);
+    [transaction uploadChunk:block.context
+                 blockOffset:block.offset
+                   chunkData:chunkData
+                 chunkOffset:chunk.offset
+                    progress:progress
+                    complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        kQNStrongObj(transaction);
+        
+        completeHandler(responseInfo, metrics, response);
+        [self destroyUploadRequestTransaction:transaction];
+    }];
+}
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNPartsUploadPerformerV2.h

@@ -0,0 +1,17 @@
+//
+//  QNPartsUploadApiV2.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/11/30.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNPartsUploadPerformer.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNPartsUploadPerformerV2 : QNPartsUploadPerformer
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Storage/QNPartsUploadPerformerV2.m

@@ -0,0 +1,148 @@
+//
+//  QNPartsUploadApiV2.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/11/30.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNLogUtil.h"
+#import "QNDefine.h"
+#import "QNRequestTransaction.h"
+#import "QNUploadInfoV2.h"
+#import "QNPartsUploadPerformerV2.h"
+
+@interface QNPartsUploadPerformerV2()
+@end
+@implementation QNPartsUploadPerformerV2
+
+- (QNUploadInfo *)getFileInfoWithDictionary:(NSDictionary *)fileInfoDictionary {
+    return [QNUploadInfoV2 info:self.uploadSource dictionary:fileInfoDictionary];
+}
+
+- (QNUploadInfo *)getDefaultUploadInfo {
+    return [QNUploadInfoV2 info:self.uploadSource configuration:self.config];
+}
+
+- (void)serverInit:(void(^)(QNResponseInfo * _Nullable responseInfo,
+                            QNUploadRegionRequestMetrics * _Nullable metrics,
+                            NSDictionary * _Nullable response))completeHandler {
+    
+    QNUploadInfoV2 *uploadInfo = (QNUploadInfoV2 *)self.uploadInfo;
+    if (uploadInfo && [uploadInfo isValid]) {
+        QNLogInfo(@"key:%@ serverInit success", self.key);
+        QNResponseInfo *responseInfo = [QNResponseInfo successResponse];
+        completeHandler(responseInfo, nil, nil);
+        return;
+    }
+    
+    QNRequestTransaction *transaction = [self createUploadRequestTransaction];
+
+    kQNWeakSelf;
+    kQNWeakObj(transaction);
+    [transaction initPart:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        kQNStrongObj(transaction);
+                
+        NSString *uploadId = response[@"uploadId"];
+        NSNumber *expireAt = response[@"expireAt"];
+        if (responseInfo.isOK && uploadId && expireAt) {
+            uploadInfo.uploadId = uploadId;
+            uploadInfo.expireAt = expireAt;
+            [self recordUploadInfo];
+        }
+        completeHandler(responseInfo, metrics, response);
+        [self destroyUploadRequestTransaction:transaction];
+    }];
+}
+
+- (void)uploadNextData:(void(^)(BOOL stop,
+                                QNResponseInfo * _Nullable responseInfo,
+                                QNUploadRegionRequestMetrics * _Nullable metrics,
+                                NSDictionary * _Nullable response))completeHandler {
+    QNUploadInfoV2 *uploadInfo = (QNUploadInfoV2 *)self.uploadInfo;
+    
+    NSError *error = nil;
+    QNUploadData *data = nil;
+    @synchronized (self) {
+        data = [uploadInfo nextUploadData:&error];
+        data.state = QNUploadStateUploading;
+    }
+    
+    if (error) {
+        QNResponseInfo *responseInfo = [QNResponseInfo responseInfoWithLocalIOError:[NSString stringWithFormat:@"%@", error]];
+        completeHandler(YES, responseInfo, nil, nil);
+        return;
+    }
+    
+    // 上传完毕
+    if (data == nil) {
+        QNLogInfo(@"key:%@ no data left", self.key);
+        
+        QNResponseInfo *responseInfo = nil;
+        if (uploadInfo.getSourceSize == 0) {
+            responseInfo = [QNResponseInfo responseInfoOfZeroData:@"file is empty"];
+        } else {
+            responseInfo = [QNResponseInfo responseInfoWithSDKInteriorError:@"no chunk left"];
+        }
+        completeHandler(YES, responseInfo, nil, nil);
+        return;
+    }
+    
+    kQNWeakSelf;
+    void (^progress)(long long, long long) = ^(long long totalBytesWritten, long long totalBytesExpectedToWrite){
+        kQNStrongSelf;
+        data.uploadSize = totalBytesWritten;
+        [self notifyProgress:false];
+    };
+    
+    QNRequestTransaction *transaction = [self createUploadRequestTransaction];
+    
+    kQNWeakObj(transaction);
+    [transaction uploadPart:uploadInfo.uploadId
+                  partIndex:[uploadInfo getPartIndexOfData:data]
+                   partData:data.data
+                   progress:progress
+                   complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        kQNStrongObj(transaction);
+
+        NSString *etag = response[@"etag"];
+        NSString *md5 = response[@"md5"];
+        if (responseInfo.isOK && etag && md5) {
+            data.etag = etag;
+            data.state = QNUploadStateComplete;
+            [self recordUploadInfo];
+            [self notifyProgress:false];
+        } else {
+            data.state = QNUploadStateWaitToUpload;
+        }
+        completeHandler(NO, responseInfo, metrics, response);
+        [self destroyUploadRequestTransaction:transaction];
+    }];
+}
+
+- (void)completeUpload:(void(^)(QNResponseInfo * _Nullable responseInfo,
+                                QNUploadRegionRequestMetrics * _Nullable metrics,
+                                NSDictionary * _Nullable response))completeHandler {
+    
+    QNUploadInfoV2 *uploadInfo = (QNUploadInfoV2 *)self.uploadInfo;
+    
+    NSArray *partInfoArray = [uploadInfo getPartInfoArray];
+    QNRequestTransaction *transaction = [self createUploadRequestTransaction];
+    
+    kQNWeakSelf;
+    kQNWeakObj(transaction);
+    [transaction completeParts:self.fileName uploadId:uploadInfo.uploadId partInfoArray:partInfoArray complete:^(QNResponseInfo * _Nullable responseInfo, QNUploadRegionRequestMetrics * _Nullable metrics, NSDictionary * _Nullable response) {
+        kQNStrongSelf;
+        kQNStrongObj(transaction);
+        if (responseInfo.isOK) {
+            [self notifyProgress:true];
+        }
+        completeHandler(responseInfo, metrics, response);
+        [self destroyUploadRequestTransaction:transaction];
+    }];
+}
+
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNUpProgress.h

@@ -0,0 +1,23 @@
+//
+//  QNUpProgress.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/5/21.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNUploadOption.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUpProgress : NSObject
+
++ (instancetype)progress:(QNUpProgressHandler)progress byteProgress:(QNUpByteProgressHandler)byteProgress;
+
+- (void)progress:(NSString *)key uploadBytes:(long long)uploadBytes totalBytes:(long long)totalBytes;
+
+- (void)notifyDone:(NSString *)key totalBytes:(long long)totalBytes;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/Qiniu/QiniuSDK/Storage/QNUpProgress.m

@@ -0,0 +1,87 @@
+//
+//  QNUpProgress.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/5/21.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNAsyncRun.h"
+#import "QNUpProgress.h"
+
+@interface QNUpProgress()
+
+@property(nonatomic, assign)long long maxProgressUploadBytes;
+@property(nonatomic, assign)long long previousUploadBytes;
+@property(nonatomic,  copy)QNUpProgressHandler progress;
+@property(nonatomic,  copy)QNUpByteProgressHandler byteProgress;
+
+@end
+@implementation QNUpProgress
+
++ (instancetype)progress:(QNUpProgressHandler)progress byteProgress:(QNUpByteProgressHandler)byteProgress {
+    QNUpProgress *upProgress = [[QNUpProgress alloc] init];
+    upProgress.maxProgressUploadBytes = -1;
+    upProgress.previousUploadBytes = 0;
+    upProgress.progress = progress;
+    upProgress.byteProgress = byteProgress;
+    return upProgress;
+}
+
+- (void)progress:(NSString *)key uploadBytes:(long long)uploadBytes totalBytes:(long long)totalBytes {
+    if ((self.progress == nil && self.byteProgress == nil) || uploadBytes < 0 || (totalBytes > 0 && uploadBytes > totalBytes)) {
+        return;
+    }
+    
+    if (totalBytes > 0) {
+        @synchronized (self) {
+            if (self.maxProgressUploadBytes < 0) {
+                self.maxProgressUploadBytes = totalBytes * 0.95;
+            }
+        }
+        
+        if (uploadBytes > self.maxProgressUploadBytes) {
+            return;
+        }
+    }
+    
+    @synchronized (self) {
+        if (uploadBytes > self.previousUploadBytes) {
+            self.previousUploadBytes = uploadBytes;
+        } else {
+            return;
+        }
+    }
+    
+    [self notify:key uploadBytes:uploadBytes totalBytes:totalBytes];
+}
+
+- (void)notifyDone:(NSString *)key totalBytes:(long long)totalBytes {
+    [self notify:key uploadBytes:totalBytes totalBytes:totalBytes];
+}
+
+- (void)notify:(NSString *)key uploadBytes:(long long)uploadBytes totalBytes:(long long)totalBytes {
+    if (self.progress == nil && self.byteProgress == nil) {
+        return;
+    }
+    
+    if (self.byteProgress) {
+        QNAsyncRunInMain(^{
+            self.byteProgress(key, uploadBytes, totalBytes);
+        });
+        return;
+    }
+    
+    if (totalBytes <= 0) {
+        return;
+    }
+    
+    if (self.progress) {
+        QNAsyncRunInMain(^{
+            double notifyPercent = (double) uploadBytes / (double) totalBytes;
+            self.progress(key, notifyPercent);
+        });
+    }
+}
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNUpToken.h

@@ -0,0 +1,33 @@
+//
+//  QNUpToken.h
+//  QiniuSDK
+//
+//  Created by bailong on 15/6/7.
+//  Copyright (c) 2015年 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface QNUpToken : NSObject
+
++ (instancetype)parse:(NSString *)token;
+
+@property (assign, nonatomic, readonly) long deadline;
+@property (copy  , nonatomic, readonly) NSString *access;
+@property (copy  , nonatomic, readonly) NSString *bucket;
+@property (copy  , nonatomic, readonly) NSString *token;
+
+@property (readonly) BOOL isValid;
+@property (readonly) BOOL hasReturnUrl;
+
++ (instancetype)getInvalidToken;
+
+- (NSString *)index;
+
+/// 是否在未来 duration 分钟内有效
+- (BOOL)isValidForDuration:(long)duration;
+
+/// 在是否在 date 之前有效
+- (BOOL)isValidBeforeDate:(NSDate *)date;
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNUpToken.m

@@ -0,0 +1,103 @@
+//
+//  QNUpToken.m
+//  QiniuSDK
+//
+//  Created by bailong on 15/6/7.
+//  Copyright (c) 2015年 Qiniu. All rights reserved.
+//
+
+#import "QNUrlSafeBase64.h"
+#import "QNUpToken.h"
+
+#define kQNPolicyKeyScope @"scope"
+#define kQNPolicyKeyDeadline @"deadline"
+#define kQNPolicyKeyReturnUrl @"returnUrl"
+@interface QNUpToken ()
+
+- (instancetype)init:(NSDictionary *)policy token:(NSString *)token;
+
+@end
+
+@implementation QNUpToken
+
++ (instancetype)getInvalidToken {
+    QNUpToken *token = [[QNUpToken alloc] init];
+    token->_deadline = -1;
+    return token;
+}
+
+- (instancetype)init:(NSDictionary *)policy token:(NSString *)token {
+    if (self = [super init]) {
+        _token = token;
+        _access = [self getAccess];
+        _bucket = [self getBucket:policy];
+        _deadline = [policy[kQNPolicyKeyDeadline] longValue];
+        _hasReturnUrl = (policy[kQNPolicyKeyReturnUrl] != nil);
+    }
+
+    return self;
+}
+
+- (NSString *)getAccess {
+
+    NSRange range = [_token rangeOfString:@":" options:NSCaseInsensitiveSearch];
+    return [_token substringToIndex:range.location];
+}
+
+- (NSString *)getBucket:(NSDictionary *)info {
+
+    NSString *scope = [info objectForKey:kQNPolicyKeyScope];
+    if (!scope || [scope isKindOfClass:[NSNull class]]) {
+        return @"";
+    }
+
+    NSRange range = [scope rangeOfString:@":"];
+    if (range.location == NSNotFound) {
+        return scope;
+    }
+    return [scope substringToIndex:range.location];
+}
+
++ (instancetype)parse:(NSString *)token {
+    if (token == nil) {
+        return nil;
+    }
+    NSArray *array = [token componentsSeparatedByString:@":"];
+    if (array == nil || array.count != 3) {
+        return nil;
+    }
+
+    NSData *data = [QNUrlSafeBase64 decodeString:array[2]];
+    if (!data) {
+        return nil;
+    }
+    
+    NSError *tmp = nil;
+    NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:&tmp];
+    if (tmp != nil || dict[kQNPolicyKeyScope] == nil || dict[kQNPolicyKeyDeadline] == nil) {
+        return nil;
+    }
+    return [[QNUpToken alloc] init:dict token:token];
+}
+
+- (NSString *)index {
+    return [NSString stringWithFormat:@"%@:%@", _access, _bucket];
+}
+
+- (BOOL)isValid {
+    return _access && _access.length > 0 && _bucket && _bucket.length > 0;
+}
+
+- (BOOL)isValidForDuration:(long)duration {
+    NSDate *date = [NSDate dateWithTimeIntervalSinceNow:duration];
+    return [self isValidBeforeDate:date];
+}
+
+- (BOOL)isValidBeforeDate:(NSDate *)date {
+    if (date == nil) {
+        return NO;
+    }
+    return [date timeIntervalSince1970] < self.deadline;
+}
+
+@end

Pods/Qiniu/QiniuSDK/Storage/QNUploadBlock.h

@@ -0,0 +1,57 @@
+//
+//  QNUploadBlock.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/5/10.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNUploadData.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface QNUploadBlock : NSObject
+// block下标
+@property(nonatomic, assign, readonly)NSInteger index;
+// 当前data偏移量
+@property(nonatomic, assign, readonly)long long offset;
+// 块大小
+@property(nonatomic, assign, readonly)NSInteger size;
+// 需要上传的片数据
+@property(nonatomic, strong, readonly)NSArray <QNUploadData *> *uploadDataList;
+// block上传上下文信息
+@property(nonatomic,   copy, nullable)NSString *context;
+// block md5
+@property(nonatomic,   copy, nullable)NSString *md5;
+// 是否已完成上传【不进行离线缓存】
+@property(nonatomic, assign, readonly)BOOL isCompleted;
+// 上传大小 【不进行离线缓存】
+@property(nonatomic, assign, readonly)NSInteger uploadSize;
+// ctx 过期时间
+@property(nonatomic, strong, nullable)NSNumber *expiredAt;
+
+//MARK:-- 构造
++ (instancetype)blockFromDictionary:(NSDictionary *)dictionary;
+- (instancetype)initWithOffset:(long long)offset
+                     blockSize:(NSInteger)blockSize
+                      dataSize:(NSInteger)dataSize
+                         index:(NSInteger)index;
+
+// 检测 block 是否有效
+- (BOOL)isValid;
+
+/// 获取下一个需要上传的块
+- (QNUploadData *)nextUploadDataWithoutCheckData;
+
+/// 检测 data 状态，处理出于上传状态的无 data 数据的情况，无 data 数据则状态调整为监测数据状态
+- (void)checkInfoStateAndUpdate;
+
+/// 清理上传状态
+- (void)clearUploadState;
+
+/// 转化字典
+- (NSDictionary *)toDictionary;
+
+@end
+
+NS_ASSUME_NONNULL_END