// AFURLConnectionOperation.m
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// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "AFURLConnectionOperation.h"
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#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
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#import <UIKit/UIKit.h>
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#endif
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#if !__has_feature(objc_arc)
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#error AFNetworking must be built with ARC.
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// You can turn on ARC for only AFNetworking files by adding -fobjc-arc to the build phase for each of its files.
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#endif
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typedef NS_ENUM(NSInteger, AFOperationState) {
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AFOperationPausedState = -1,
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AFOperationReadyState = 1,
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AFOperationExecutingState = 2,
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AFOperationFinishedState = 3,
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};
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#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && !defined(AF_APP_EXTENSIONS)
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typedef UIBackgroundTaskIdentifier AFBackgroundTaskIdentifier;
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#else
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typedef id AFBackgroundTaskIdentifier;
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#endif
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static dispatch_group_t url_request_operation_completion_group() {
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static dispatch_group_t af_url_request_operation_completion_group;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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af_url_request_operation_completion_group = dispatch_group_create();
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});
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return af_url_request_operation_completion_group;
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}
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static dispatch_queue_t url_request_operation_completion_queue() {
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static dispatch_queue_t af_url_request_operation_completion_queue;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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af_url_request_operation_completion_queue = dispatch_queue_create("com.alamofire.networking.operation.queue", DISPATCH_QUEUE_CONCURRENT );
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});
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return af_url_request_operation_completion_queue;
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}
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static NSString * const kAFNetworkingLockName = @"com.alamofire.networking.operation.lock";
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NSString * const AFNetworkingOperationDidStartNotification = @"com.alamofire.networking.operation.start";
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NSString * const AFNetworkingOperationDidFinishNotification = @"com.alamofire.networking.operation.finish";
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typedef void (^AFURLConnectionOperationProgressBlock)(NSUInteger bytes, long long totalBytes, long long totalBytesExpected);
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typedef void (^AFURLConnectionOperationAuthenticationChallengeBlock)(NSURLConnection *connection, NSURLAuthenticationChallenge *challenge);
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typedef NSCachedURLResponse * (^AFURLConnectionOperationCacheResponseBlock)(NSURLConnection *connection, NSCachedURLResponse *cachedResponse);
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typedef NSURLRequest * (^AFURLConnectionOperationRedirectResponseBlock)(NSURLConnection *connection, NSURLRequest *request, NSURLResponse *redirectResponse);
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static inline NSString * AFKeyPathFromOperationState(AFOperationState state) {
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switch (state) {
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case AFOperationReadyState:
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return @"isReady";
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case AFOperationExecutingState:
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return @"isExecuting";
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case AFOperationFinishedState:
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return @"isFinished";
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case AFOperationPausedState:
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return @"isPaused";
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default: {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunreachable-code"
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return @"state";
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#pragma clang diagnostic pop
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}
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}
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}
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static inline BOOL AFStateTransitionIsValid(AFOperationState fromState, AFOperationState toState, BOOL isCancelled) {
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switch (fromState) {
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case AFOperationReadyState:
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switch (toState) {
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case AFOperationPausedState:
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case AFOperationExecutingState:
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return YES;
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case AFOperationFinishedState:
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return isCancelled;
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default:
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return NO;
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}
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case AFOperationExecutingState:
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switch (toState) {
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case AFOperationPausedState:
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case AFOperationFinishedState:
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return YES;
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default:
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return NO;
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}
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case AFOperationFinishedState:
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return NO;
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case AFOperationPausedState:
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return toState == AFOperationReadyState;
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default: {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunreachable-code"
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switch (toState) {
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case AFOperationPausedState:
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case AFOperationReadyState:
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case AFOperationExecutingState:
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case AFOperationFinishedState:
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return YES;
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default:
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return NO;
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}
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}
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#pragma clang diagnostic pop
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}
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}
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@interface AFURLConnectionOperation ()
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@property (readwrite, nonatomic, assign) AFOperationState state;
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@property (readwrite, nonatomic, strong) NSRecursiveLock *lock;
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@property (readwrite, nonatomic, strong) NSURLConnection *connection;
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@property (readwrite, nonatomic, strong) NSURLRequest *request;
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@property (readwrite, nonatomic, strong) NSURLResponse *response;
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@property (readwrite, nonatomic, strong) NSError *error;
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@property (readwrite, nonatomic, strong) NSData *responseData;
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@property (readwrite, nonatomic, copy) NSString *responseString;
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@property (readwrite, nonatomic, assign) NSStringEncoding responseStringEncoding;
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@property (readwrite, nonatomic, assign) long long totalBytesRead;
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@property (readwrite, nonatomic, assign) AFBackgroundTaskIdentifier backgroundTaskIdentifier;
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@property (readwrite, nonatomic, copy) AFURLConnectionOperationProgressBlock uploadProgress;
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@property (readwrite, nonatomic, copy) AFURLConnectionOperationProgressBlock downloadProgress;
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@property (readwrite, nonatomic, copy) AFURLConnectionOperationAuthenticationChallengeBlock authenticationChallenge;
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@property (readwrite, nonatomic, copy) AFURLConnectionOperationCacheResponseBlock cacheResponse;
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@property (readwrite, nonatomic, copy) AFURLConnectionOperationRedirectResponseBlock redirectResponse;
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- (void)operationDidStart;
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- (void)finish;
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- (void)cancelConnection;
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@end
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@implementation AFURLConnectionOperation
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@synthesize outputStream = _outputStream;
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+ (void)networkRequestThreadEntryPoint:(id)__unused object {
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@autoreleasepool {
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[[NSThread currentThread] setName:@"AFNetworking"];
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NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
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[runLoop addPort:[NSMachPort port] forMode:NSDefaultRunLoopMode];
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[runLoop run];
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}
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}
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+ (NSThread *)networkRequestThread {
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static NSThread *_networkRequestThread = nil;
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static dispatch_once_t oncePredicate;
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dispatch_once(&oncePredicate, ^{
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_networkRequestThread = [[NSThread alloc] initWithTarget:self selector:@selector(networkRequestThreadEntryPoint:) object:nil];
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[_networkRequestThread start];
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});
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return _networkRequestThread;
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}
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- (instancetype)initWithRequest:(NSURLRequest *)urlRequest {
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NSParameterAssert(urlRequest);
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self = [super init];
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if (!self) {
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return nil;
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}
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_state = AFOperationReadyState;
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self.lock = [[NSRecursiveLock alloc] init];
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self.lock.name = kAFNetworkingLockName;
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self.runLoopModes = [NSSet setWithObject:NSRunLoopCommonModes];
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self.request = urlRequest;
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self.shouldUseCredentialStorage = YES;
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self.securityPolicy = [AFSecurityPolicy defaultPolicy];
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return self;
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}
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- (void)dealloc {
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if (_outputStream) {
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[_outputStream close];
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_outputStream = nil;
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}
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#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && !defined(AF_APP_EXTENSIONS)
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if (_backgroundTaskIdentifier) {
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[[UIApplication sharedApplication] endBackgroundTask:_backgroundTaskIdentifier];
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_backgroundTaskIdentifier = UIBackgroundTaskInvalid;
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}
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#endif
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}
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#pragma mark -
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- (void)setResponseData:(NSData *)responseData {
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[self.lock lock];
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if (!responseData) {
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_responseData = nil;
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} else {
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_responseData = [NSData dataWithBytes:responseData.bytes length:responseData.length];
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}
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[self.lock unlock];
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}
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- (NSString *)responseString {
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[self.lock lock];
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if (!_responseString && self.response && self.responseData) {
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self.responseString = [[NSString alloc] initWithData:self.responseData encoding:self.responseStringEncoding];
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}
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[self.lock unlock];
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return _responseString;
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}
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- (NSStringEncoding)responseStringEncoding {
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[self.lock lock];
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if (!_responseStringEncoding && self.response) {
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NSStringEncoding stringEncoding = NSUTF8StringEncoding;
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if (self.response.textEncodingName) {
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CFStringEncoding IANAEncoding = CFStringConvertIANACharSetNameToEncoding((__bridge CFStringRef)self.response.textEncodingName);
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if (IANAEncoding != kCFStringEncodingInvalidId) {
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stringEncoding = CFStringConvertEncodingToNSStringEncoding(IANAEncoding);
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}
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}
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self.responseStringEncoding = stringEncoding;
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}
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[self.lock unlock];
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return _responseStringEncoding;
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}
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- (NSInputStream *)inputStream {
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return self.request.HTTPBodyStream;
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}
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- (void)setInputStream:(NSInputStream *)inputStream {
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NSMutableURLRequest *mutableRequest = [self.request mutableCopy];
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mutableRequest.HTTPBodyStream = inputStream;
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self.request = mutableRequest;
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}
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- (NSOutputStream *)outputStream {
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if (!_outputStream) {
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self.outputStream = [NSOutputStream outputStreamToMemory];
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}
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return _outputStream;
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}
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- (void)setOutputStream:(NSOutputStream *)outputStream {
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[self.lock lock];
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if (outputStream != _outputStream) {
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if (_outputStream) {
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[_outputStream close];
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}
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_outputStream = outputStream;
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}
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[self.lock unlock];
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}
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#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && !defined(AF_APP_EXTENSIONS)
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- (void)setShouldExecuteAsBackgroundTaskWithExpirationHandler:(void (^)(void))handler {
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[self.lock lock];
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if (!self.backgroundTaskIdentifier) {
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UIApplication *application = [UIApplication sharedApplication];
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__weak __typeof(self)weakSelf = self;
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self.backgroundTaskIdentifier = [application beginBackgroundTaskWithExpirationHandler:^{
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__strong __typeof(weakSelf)strongSelf = weakSelf;
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if (handler) {
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handler();
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}
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if (strongSelf) {
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[strongSelf cancel];
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[application endBackgroundTask:strongSelf.backgroundTaskIdentifier];
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strongSelf.backgroundTaskIdentifier = UIBackgroundTaskInvalid;
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}
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}];
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}
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[self.lock unlock];
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}
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#endif
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#pragma mark -
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- (void)setState:(AFOperationState)state {
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if (!AFStateTransitionIsValid(self.state, state, [self isCancelled])) {
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return;
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}
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[self.lock lock];
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NSString *oldStateKey = AFKeyPathFromOperationState(self.state);
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NSString *newStateKey = AFKeyPathFromOperationState(state);
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[self willChangeValueForKey:newStateKey];
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[self willChangeValueForKey:oldStateKey];
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_state = state;
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[self didChangeValueForKey:oldStateKey];
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[self didChangeValueForKey:newStateKey];
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[self.lock unlock];
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}
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- (void)pause {
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if ([self isPaused] || [self isFinished] || [self isCancelled]) {
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return;
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}
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[self.lock lock];
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if ([self isExecuting]) {
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[self performSelector:@selector(operationDidPause) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
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dispatch_async(dispatch_get_main_queue(), ^{
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NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];
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[notificationCenter postNotificationName:AFNetworkingOperationDidFinishNotification object:self];
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});
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}
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self.state = AFOperationPausedState;
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[self.lock unlock];
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}
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- (void)operationDidPause {
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[self.lock lock];
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[self.connection cancel];
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[self.lock unlock];
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}
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- (BOOL)isPaused {
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return self.state == AFOperationPausedState;
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}
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- (void)resume {
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if (![self isPaused]) {
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return;
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}
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[self.lock lock];
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self.state = AFOperationReadyState;
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[self start];
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[self.lock unlock];
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}
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#pragma mark -
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- (void)setUploadProgressBlock:(void (^)(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite))block {
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self.uploadProgress = block;
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}
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- (void)setDownloadProgressBlock:(void (^)(NSUInteger bytesRead, long long totalBytesRead, long long totalBytesExpectedToRead))block {
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self.downloadProgress = block;
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}
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- (void)setWillSendRequestForAuthenticationChallengeBlock:(void (^)(NSURLConnection *connection, NSURLAuthenticationChallenge *challenge))block {
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self.authenticationChallenge = block;
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}
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- (void)setCacheResponseBlock:(NSCachedURLResponse * (^)(NSURLConnection *connection, NSCachedURLResponse *cachedResponse))block {
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self.cacheResponse = block;
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}
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- (void)setRedirectResponseBlock:(NSURLRequest * (^)(NSURLConnection *connection, NSURLRequest *request, NSURLResponse *redirectResponse))block {
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self.redirectResponse = block;
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}
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#pragma mark - NSOperation
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- (void)setCompletionBlock:(void (^)(void))block {
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[self.lock lock];
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if (!block) {
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[super setCompletionBlock:nil];
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} else {
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__weak __typeof(self)weakSelf = self;
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[super setCompletionBlock:^ {
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__strong __typeof(weakSelf)strongSelf = weakSelf;
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wgnu"
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dispatch_group_t group = strongSelf.completionGroup ?: url_request_operation_completion_group();
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dispatch_queue_t queue = strongSelf.completionQueue ?: dispatch_get_main_queue();
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#pragma clang diagnostic pop
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dispatch_group_async(group, queue, ^{
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block();
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});
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dispatch_group_notify(group, url_request_operation_completion_queue(), ^{
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[strongSelf setCompletionBlock:nil];
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});
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}];
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}
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[self.lock unlock];
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}
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- (BOOL)isReady {
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return self.state == AFOperationReadyState && [super isReady];
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}
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- (BOOL)isExecuting {
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return self.state == AFOperationExecutingState;
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}
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- (BOOL)isFinished {
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return self.state == AFOperationFinishedState;
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}
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- (BOOL)isConcurrent {
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return YES;
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}
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- (void)start {
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[self.lock lock];
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if ([self isCancelled]) {
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[self performSelector:@selector(cancelConnection) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
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} else if ([self isReady]) {
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self.state = AFOperationExecutingState;
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[self performSelector:@selector(operationDidStart) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
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}
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[self.lock unlock];
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}
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- (void)operationDidStart {
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[self.lock lock];
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if (![self isCancelled]) {
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self.connection = [[NSURLConnection alloc] initWithRequest:self.request delegate:self startImmediately:NO];
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NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
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for (NSString *runLoopMode in self.runLoopModes) {
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[self.connection scheduleInRunLoop:runLoop forMode:runLoopMode];
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[self.outputStream scheduleInRunLoop:runLoop forMode:runLoopMode];
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}
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[self.outputStream open];
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[self.connection start];
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}
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[self.lock unlock];
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dispatch_async(dispatch_get_main_queue(), ^{
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[[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingOperationDidStartNotification object:self];
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});
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}
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- (void)finish {
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[self.lock lock];
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self.state = AFOperationFinishedState;
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[self.lock unlock];
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dispatch_async(dispatch_get_main_queue(), ^{
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[[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingOperationDidFinishNotification object:self];
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});
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}
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- (void)cancel {
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[self.lock lock];
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if (![self isFinished] && ![self isCancelled]) {
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[super cancel];
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if ([self isExecuting]) {
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[self performSelector:@selector(cancelConnection) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
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}
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}
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[self.lock unlock];
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}
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- (void)cancelConnection {
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NSDictionary *userInfo = nil;
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if ([self.request URL]) {
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userInfo = [NSDictionary dictionaryWithObject:[self.request URL] forKey:NSURLErrorFailingURLErrorKey];
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}
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NSError *error = [NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorCancelled userInfo:userInfo];
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if (![self isFinished]) {
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if (self.connection) {
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[self.connection cancel];
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[self performSelector:@selector(connection:didFailWithError:) withObject:self.connection withObject:error];
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} else {
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// Accomodate race condition where `self.connection` has not yet been set before cancellation
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self.error = error;
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[self finish];
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}
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}
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}
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#pragma mark -
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|
+ (NSArray *)batchOfRequestOperations:(NSArray *)operations
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progressBlock:(void (^)(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations))progressBlock
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completionBlock:(void (^)(NSArray *operations))completionBlock
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{
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if (!operations || [operations count] == 0) {
|
return @[[NSBlockOperation blockOperationWithBlock:^{
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dispatch_async(dispatch_get_main_queue(), ^{
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if (completionBlock) {
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completionBlock(@[]);
|
}
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});
|
}]];
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}
|
|
__block dispatch_group_t group = dispatch_group_create();
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NSBlockOperation *batchedOperation = [NSBlockOperation blockOperationWithBlock:^{
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dispatch_group_notify(group, dispatch_get_main_queue(), ^{
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if (completionBlock) {
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completionBlock(operations);
|
}
|
});
|
}];
|
|
for (AFURLConnectionOperation *operation in operations) {
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operation.completionGroup = group;
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void (^originalCompletionBlock)(void) = [operation.completionBlock copy];
|
__weak __typeof(operation)weakOperation = operation;
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operation.completionBlock = ^{
|
__strong __typeof(weakOperation)strongOperation = weakOperation;
|
#pragma clang diagnostic push
|
#pragma clang diagnostic ignored "-Wgnu"
|
dispatch_queue_t queue = strongOperation.completionQueue ?: dispatch_get_main_queue();
|
#pragma clang diagnostic pop
|
dispatch_group_async(group, queue, ^{
|
if (originalCompletionBlock) {
|
originalCompletionBlock();
|
}
|
|
NSUInteger numberOfFinishedOperations = [[operations indexesOfObjectsPassingTest:^BOOL(id op, NSUInteger __unused idx, BOOL __unused *stop) {
|
return [op isFinished];
|
}] count];
|
|
if (progressBlock) {
|
progressBlock(numberOfFinishedOperations, [operations count]);
|
}
|
|
dispatch_group_leave(group);
|
});
|
};
|
|
dispatch_group_enter(group);
|
[batchedOperation addDependency:operation];
|
}
|
|
return [operations arrayByAddingObject:batchedOperation];
|
}
|
|
#pragma mark - NSObject
|
|
- (NSString *)description {
|
[self.lock lock];
|
NSString *description = [NSString stringWithFormat:@"<%@: %p, state: %@, cancelled: %@ request: %@, response: %@>", NSStringFromClass([self class]), self, AFKeyPathFromOperationState(self.state), ([self isCancelled] ? @"YES" : @"NO"), self.request, self.response];
|
[self.lock unlock];
|
return description;
|
}
|
|
#pragma mark - NSURLConnectionDelegate
|
|
- (void)connection:(NSURLConnection *)connection
|
willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge
|
{
|
if (self.authenticationChallenge) {
|
self.authenticationChallenge(connection, challenge);
|
return;
|
}
|
|
if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
|
if ([self.securityPolicy evaluateServerTrust:challenge.protectionSpace.serverTrust forDomain:challenge.protectionSpace.host]) {
|
NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
|
[[challenge sender] useCredential:credential forAuthenticationChallenge:challenge];
|
} else {
|
[[challenge sender] cancelAuthenticationChallenge:challenge];
|
}
|
} else {
|
if ([challenge previousFailureCount] == 0) {
|
if (self.credential) {
|
[[challenge sender] useCredential:self.credential forAuthenticationChallenge:challenge];
|
} else {
|
[[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge];
|
}
|
} else {
|
[[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge];
|
}
|
}
|
}
|
|
- (BOOL)connectionShouldUseCredentialStorage:(NSURLConnection __unused *)connection {
|
return self.shouldUseCredentialStorage;
|
}
|
|
- (NSURLRequest *)connection:(NSURLConnection *)connection
|
willSendRequest:(NSURLRequest *)request
|
redirectResponse:(NSURLResponse *)redirectResponse
|
{
|
if (self.redirectResponse) {
|
return self.redirectResponse(connection, request, redirectResponse);
|
} else {
|
return request;
|
}
|
}
|
|
- (void)connection:(NSURLConnection __unused *)connection
|
didSendBodyData:(NSInteger)bytesWritten
|
totalBytesWritten:(NSInteger)totalBytesWritten
|
totalBytesExpectedToWrite:(NSInteger)totalBytesExpectedToWrite
|
{
|
dispatch_async(dispatch_get_main_queue(), ^{
|
if (self.uploadProgress) {
|
self.uploadProgress((NSUInteger)bytesWritten, totalBytesWritten, totalBytesExpectedToWrite);
|
}
|
});
|
}
|
|
- (void)connection:(NSURLConnection __unused *)connection
|
didReceiveResponse:(NSURLResponse *)response
|
{
|
self.response = response;
|
}
|
|
- (void)connection:(NSURLConnection __unused *)connection
|
didReceiveData:(NSData *)data
|
{
|
NSUInteger length = [data length];
|
while (YES) {
|
NSInteger totalNumberOfBytesWritten = 0;
|
if ([self.outputStream hasSpaceAvailable]) {
|
const uint8_t *dataBuffer = (uint8_t *)[data bytes];
|
|
NSInteger numberOfBytesWritten = 0;
|
while (totalNumberOfBytesWritten < (NSInteger)length) {
|
numberOfBytesWritten = [self.outputStream write:&dataBuffer[(NSUInteger)totalNumberOfBytesWritten] maxLength:(length - (NSUInteger)totalNumberOfBytesWritten)];
|
if (numberOfBytesWritten == -1) {
|
break;
|
}
|
|
totalNumberOfBytesWritten += numberOfBytesWritten;
|
}
|
|
break;
|
}
|
|
if (self.outputStream.streamError) {
|
[self.connection cancel];
|
[self performSelector:@selector(connection:didFailWithError:) withObject:self.connection withObject:self.outputStream.streamError];
|
return;
|
}
|
}
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
self.totalBytesRead += (long long)length;
|
|
if (self.downloadProgress) {
|
self.downloadProgress(length, self.totalBytesRead, self.response.expectedContentLength);
|
}
|
});
|
}
|
|
- (void)connectionDidFinishLoading:(NSURLConnection __unused *)connection {
|
self.responseData = [self.outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey];
|
|
[self.outputStream close];
|
if (self.responseData) {
|
self.outputStream = nil;
|
}
|
|
self.connection = nil;
|
|
[self finish];
|
}
|
|
- (void)connection:(NSURLConnection __unused *)connection
|
didFailWithError:(NSError *)error
|
{
|
self.error = error;
|
|
[self.outputStream close];
|
if (self.responseData) {
|
self.outputStream = nil;
|
}
|
|
self.connection = nil;
|
|
[self finish];
|
}
|
|
- (NSCachedURLResponse *)connection:(NSURLConnection *)connection
|
willCacheResponse:(NSCachedURLResponse *)cachedResponse
|
{
|
if (self.cacheResponse) {
|
return self.cacheResponse(connection, cachedResponse);
|
} else {
|
if ([self isCancelled]) {
|
return nil;
|
}
|
|
return cachedResponse;
|
}
|
}
|
|
#pragma mark - NSSecureCoding
|
|
+ (BOOL)supportsSecureCoding {
|
return YES;
|
}
|
|
- (id)initWithCoder:(NSCoder *)decoder {
|
NSURLRequest *request = [decoder decodeObjectOfClass:[NSURLRequest class] forKey:NSStringFromSelector(@selector(request))];
|
|
self = [self initWithRequest:request];
|
if (!self) {
|
return nil;
|
}
|
|
self.state = [[decoder decodeObjectOfClass:[NSNumber class] forKey:NSStringFromSelector(@selector(state))] integerValue];
|
self.response = [decoder decodeObjectOfClass:[NSHTTPURLResponse class] forKey:NSStringFromSelector(@selector(response))];
|
self.error = [decoder decodeObjectOfClass:[NSError class] forKey:NSStringFromSelector(@selector(error))];
|
self.responseData = [decoder decodeObjectOfClass:[NSData class] forKey:NSStringFromSelector(@selector(responseData))];
|
self.totalBytesRead = [[decoder decodeObjectOfClass:[NSNumber class] forKey:NSStringFromSelector(@selector(totalBytesRead))] longLongValue];
|
|
return self;
|
}
|
|
- (void)encodeWithCoder:(NSCoder *)coder {
|
[self pause];
|
|
[coder encodeObject:self.request forKey:NSStringFromSelector(@selector(request))];
|
|
switch (self.state) {
|
case AFOperationExecutingState:
|
case AFOperationPausedState:
|
[coder encodeInteger:AFOperationReadyState forKey:NSStringFromSelector(@selector(state))];
|
break;
|
default:
|
[coder encodeInteger:self.state forKey:NSStringFromSelector(@selector(state))];
|
break;
|
}
|
|
[coder encodeObject:self.response forKey:NSStringFromSelector(@selector(response))];
|
[coder encodeObject:self.error forKey:NSStringFromSelector(@selector(error))];
|
[coder encodeObject:self.responseData forKey:NSStringFromSelector(@selector(responseData))];
|
[coder encodeInt64:self.totalBytesRead forKey:NSStringFromSelector(@selector(totalBytesRead))];
|
}
|
|
#pragma mark - NSCopying
|
|
- (id)copyWithZone:(NSZone *)zone {
|
AFURLConnectionOperation *operation = [(AFURLConnectionOperation *)[[self class] allocWithZone:zone] initWithRequest:self.request];
|
|
operation.uploadProgress = self.uploadProgress;
|
operation.downloadProgress = self.downloadProgress;
|
operation.authenticationChallenge = self.authenticationChallenge;
|
operation.cacheResponse = self.cacheResponse;
|
operation.redirectResponse = self.redirectResponse;
|
operation.completionQueue = self.completionQueue;
|
operation.completionGroup = self.completionGroup;
|
|
return operation;
|
}
|
|
@end
|
