iOS - 增加AFHTTPRequestOperationManager的超时 [英] iOS - Increase timeout for AFHTTPRequestOperationManager

问题描述

我从一个非常慢的服务器下载JSON数据。从服务器获取响应大约需要一分钟。我使用AFNetworking库和我的代码抛出请求超时错误：

  NSString * urlString = [NSString stringWithFormat：@ ％@ / account.do?JSON&sysparm_action=getRecords\",baseUrlString]; 
 
 NSString * login = [[NSUserDefaults standardUserDefaults] objectForKey：@login]; 
 NSString * password = [[NSUserDefaults standardUserDefaults] objectForKey：@password]; 
 
 [manager setRequestSerializer：[AFHTTPRequestSerializer serializer]]; 
 [manager.requestSerializer setAuthorizationHeaderFieldWithUsername：login password：password]; 
 
 
 [manager GET：urlString parameters：nil success：^（AFHTTPRequestOperation * operation，id responseObject）{
 NSLog（@JSON：％@，responseObject）; 
 [self parseJsonWithAccountsData：responseObject]; 
}失败：^（AFHTTPRequestOperation * operation，NSError * error）{
 NSLog（@Error：％@，operation.responseString）; 
 [self performSelectorOnMainThread：@selector（failedWithContactsDownload）withObject：nil waitUntilDone：YES]; 
}]; 
  

未找到为 AFHTTPRequestOperationManager 。

解决方案

方法1。

我认为最好的方法是子类 AFHTTPRequestSerializer 并覆盖

 <$ （NSString *）方法
 URLString：（NSString *）URLString 
参数：（NSDictionary *）参数
   - （NSMutableURLRequest *）requestWithMethod： / pre> 
 
 
如下：
   - （NSMutableURLRequest *）requestWithMethod ：（NSString *）方法
 URLString：（NSString *）URLString 
参数：（NSDictionary *）参数
 {
 NSMutableURLRequest * request = [super requestWithMethod：method URLString：URLString parameters ：parameters]; 
 [request setTimeoutInterval：YOUR_TIMEOUT_INTERVAL_HERE]; 
 
返回请求; 
} 
  
，然后
  NSString * urlString = [NSString stringWithFormat：@％@ / account.do?JSON&sysparm_action=getRecords\",baseUrlString]; 
 
 NSString * login = [[NSUserDefaults standardUserDefaults] objectForKey：@login]; 
 NSString * password = [[NSUserDefaults standardUserDefaults] objectForKey：@password]; 
 
 [manager setRequestSerializer：YOUR_NEW_REQUEST_SERIALIZER_HERE]; 
 [manager.requestSerializer setAuthorizationHeaderFieldWithUsername：login password：password]; 
 
 
 [manager GET：urlString parameters：nil success：^（AFHTTPRequestOperation * operation，id responseObject）{
 NSLog（@JSON：％@，responseObject）; 
 [self parseJsonWithAccountsData：responseObject]; 
}失败：^（AFHTTPRequestOperation * operation，NSError * error）{
 NSLog（@Error：％@，operation.responseString）; 
 [self performSelectorOnMainThread：@selector（failedWithContactsDownload）withObject：nil waitUntilDone：YES]; 
}]; 
  
 方法2  
  NSString * urlString = [NSString stringWithFormat：@％@ / account.do?JSON&sysparm_action=getRecords\",baseUrlString]; 
 
 NSString * login = [[NSUserDefaults standardUserDefaults] objectForKey：@login]; 
 NSString * password = [[NSUserDefaults standardUserDefaults] objectForKey：@password]; 
 
 [manager setRequestSerializer：[AFHTTPRequestSerializer serializer]]; 
 [manager.requestSerializer setAuthorizationHeaderFieldWithUsername：login password：password]; 
 
 NSMutableURLRequest * request = [manager.requestSerializer requestWithMethod：@GETURLString：[[NSURL URLWithString：urlString relativeToURL：manager.baseURL] absoluteString] parameters：nil]; 
 [request setTimeoutInterval：YOUR_TIMEOUT_INTERVAL_HERE]; 
 
 AFHTTPRequestOperation * operation = [manager HTTPRequestOperationWithRequest：request success：^（AFHTTPRequestOperation * operation，id responseObject）{
 NSLog（@JSON：％@，responseObject）; 
 [self parseJsonWithAccountsData：responseObject]; 
}失败：^（AFHTTPRequestOperation * operation，NSError * error）{
 NSLog（@Error：％@，operation.responseString）; 
 [self performSelectorOnMainThread：@selector（failedWithContactsDownload）withObject：nil waitUntilDone：YES]; 
}]; 
 [manager.operationQueue addOperation：operation]; 
  
 
I'm downloading JSON data from a very slow server. It takes about a minute to get a resoonse from the server. I use AFNetworking library and my code throws "The request timed out" error:
NSString *urlString = [NSString stringWithFormat:@"%@/account.do?JSON&sysparm_action=getRecords",baseUrlString];

    NSString *login = [[NSUserDefaults standardUserDefaults] objectForKey:@"login"];
    NSString *password = [[NSUserDefaults standardUserDefaults] objectForKey:@"password"];

    [manager setRequestSerializer:[AFHTTPRequestSerializer serializer]];
    [manager.requestSerializer setAuthorizationHeaderFieldWithUsername:login password:password];


    [manager GET:urlString parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
        NSLog(@"JSON: %@", responseObject);
        [self parseJsonWithAccountsData:responseObject];
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
        NSLog(@"Error: %@", operation.responseString);
        [self performSelectorOnMainThread:@selector(failedWithContactsDownload) withObject:nil waitUntilDone:YES];
    }];
Didn't find a way to set a timeout for AFHTTPRequestOperationManager. How can I do it?
解决方案
Method 1.

I think the best way is to subclass AFHTTPRequestSerializer and override 
- (NSMutableURLRequest *)requestWithMethod:(NSString *)method
                                 URLString:(NSString *)URLString
                                parameters:(NSDictionary *)parameters
like this:
- (NSMutableURLRequest *)requestWithMethod:(NSString *)method
                                 URLString:(NSString *)URLString
                                parameters:(NSDictionary *)parameters
{
    NSMutableURLRequest *request = [super requestWithMethod:method URLString:URLString parameters:parameters];
    [request setTimeoutInterval:YOUR_TIMEOUT_INTERVAL_HERE];

    return request;
}
and then
    NSString *urlString = [NSString stringWithFormat:@"%@/account.do?JSON&sysparm_action=getRecords",baseUrlString];

    NSString *login = [[NSUserDefaults standardUserDefaults] objectForKey:@"login"];
    NSString *password = [[NSUserDefaults standardUserDefaults] objectForKey:@"password"];

    [manager setRequestSerializer:YOUR_NEW_REQUEST_SERIALIZER_HERE];
    [manager.requestSerializer setAuthorizationHeaderFieldWithUsername:login password:password];


    [manager GET:urlString parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
        NSLog(@"JSON: %@", responseObject);
        [self parseJsonWithAccountsData:responseObject];
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
        NSLog(@"Error: %@", operation.responseString);
        [self performSelectorOnMainThread:@selector(failedWithContactsDownload) withObject:nil waitUntilDone:YES];
    }];
Method 2
NSString *urlString = [NSString stringWithFormat:@"%@/account.do?JSON&sysparm_action=getRecords",baseUrlString];

NSString *login = [[NSUserDefaults standardUserDefaults] objectForKey:@"login"];
NSString *password = [[NSUserDefaults standardUserDefaults] objectForKey:@"password"];

[manager setRequestSerializer:[AFHTTPRequestSerializer serializer]];
[manager.requestSerializer setAuthorizationHeaderFieldWithUsername:login password:password];

NSMutableURLRequest *request = [manager.requestSerializer requestWithMethod:@"GET" URLString:[[NSURL URLWithString:urlString relativeToURL:manager.baseURL] absoluteString] parameters:nil];
[request setTimeoutInterval:YOUR_TIMEOUT_INTERVAL_HERE];

AFHTTPRequestOperation *operation = [manager HTTPRequestOperationWithRequest:request success:^(AFHTTPRequestOperation *operation, id responseObject) {
    NSLog(@"JSON: %@", responseObject);
    [self parseJsonWithAccountsData:responseObject];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    NSLog(@"Error: %@", operation.responseString);
    [self performSelectorOnMainThread:@selector(failedWithContactsDownload) withObject:nil waitUntilDone:YES];
}];
[manager.operationQueue addOperation:operation];


                        
这篇关于iOS  - 增加AFHTTPRequestOperationManager的超时的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！