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PONSURLConnection didReceiveData not called
 

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    <p>I've read through tons of messages saying the same thing all over again : when you use a NSURLConnection, delegate methods are <em>not called</em>. I understand that Apple's doc are incomplete and reference deprecated methods, which is a shame, but I can't seem to find a solution.</p> <p>Code for the request is there :</p> <pre><code>// Create request NSURL *urlObj = [NSURL URLWithString:url]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:urlObj cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:30]; [request setValue:@"gzip" forHTTPHeaderField:@"Accept-Encoding"]; if (![NSURLConnection canHandleRequest:request]) { NSLog(@"Can't handle request..."); return; } // Start connection dispatch_async(dispatch_get_main_queue(), ^{ self.connection = [[NSURLConnection alloc] initWithRequest:request delegate:self startImmediately:YES]; // Edited }); </code></pre> <p>...and code for the delegate methods is here :</p> <pre><code>- (void) connection:(NSURLConnection *)_connection didReceiveResponse:(NSURLResponse *)response { NSLog(@"Receiving response: %@, status %d", [(NSHTTPURLResponse*)response allHeaderFields], [(NSHTTPURLResponse*) response statusCode]); self.data = [NSMutableData data]; } - (void) connection:(NSURLConnection *)_connection didFailWithError:(NSError *)error { NSLog(@"Connection failed: %@", error); [self _finish]; } - (void) connection:(NSURLConnection *)_connection didReceiveData:(NSData *)_data { [data appendData:_data]; } - (void)connectionDidFinishDownloading:(NSURLConnection *)_connection destinationURL:(NSURL *) destinationURL { NSLog(@"Connection done!"); [self _finish]; } </code></pre> <p>There's not a lot of error checking here, but I've made sure of a few things :</p> <ul> <li>Whatever happens, <code>didReceiveData</code> is <strong>never</strong> called, so I don't get any data</li> <li>...but the data is transfered (I checked using <code>tcpdump</code>)</li> <li>...and the other methods are called successfully.</li> <li>If I use the <code>NSURLConnectionDownloadDelegate</code> instead of <code>NSURLConnectionDataDelegate</code>, everything works but I can't get a hold on the downloaded file (this is a known bug)</li> <li>The request is not deallocated before completion by bad memory management</li> <li>Nothing changes if I use a standard HTML page somewhere on the internet as my URL</li> <li>The request is kicked off from the main queue</li> </ul> <p>I don't want to use a third-party library, as, ultimately, these requests are to be included in a library of my own, and I'd like to minimize the dependencies. If I have to, I'll use <code>CFNetwork</code> directly, but it will be a huge pain in the you-know-what.</p> <p>If you have any idea, it would help greatly. Thanks!</p>
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    1. COdid you check with an NSLog() inside of didReceiveData?
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      1. USJesse Gumpo
    2. COYup, NSLog _and_ breakpoints, nothing is called...
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    3. COtry putting in the mainRunLoop?
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      1. USJesse Gumpo
 

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