// Easy Block callbacks
- (void)startEasyBlockConnection {
	JWURLConnection *conn = [JWURLConnection connectionWithRequest:req delegate:nil];
	
	[conn setReceivedResponse:^(JWURLConnection *con, NSHTTPURLResponse *resp) {
		[output setText:[NSString stringWithFormat:@"%@\ndid receive response: %@", [output text], [resp allHeaderFields]]];
	}];
	
	[conn setSentBytes:^(JWURLConnection *con, JWByteWriter *bw) {
		NSLog(@"%@\ndid write %i bytes", [output text], [bw bytesWritten]);
	}];
	
	[conn setFinished:^(JWURLConnection *con, NSData *da) {
		NSLog(@"%@\ndid finish: %@", [output text], [[NSString alloc] initWithData:da encoding:NSUTF8StringEncoding]);
	}];
	
	[conn setFailed:^(JWURLConnection *con, NSError *err) {
		NSLog(@"%@\ndid fail: %@", [output text], [err description]);
	}];
	// Trust own SSL certificate for HTTPS
	[conn setWillSendRequestForAuthenticationChallenge:^(NSURLAuthenticationChallenge *challenge) {
			
		SecTrustRef serverTrust = challenge.protectionSpace.serverTrust;
		SecCertificateRef certificate = SecTrustGetCertificateAtIndex(serverTrust, 0);
		NSData *remoteCertificateData = CFBridgingRelease(SecCertificateCopyData(certificate));
		NSString *cerPath = [[NSBundle mainBundle] pathForResource:@"MyLocalCertificate" ofType:@"cer"];
		NSData *localCertData = [NSData dataWithContentsOfFile:cerPath];
		
		if ([remoteCertificateData isEqualToData:localCertData]) {
			NSURLCredential *credential = [NSURLCredential credentialForTrust:serverTrust];
			[[challenge sender] useCredential:credential forAuthenticatinChallenge:challenge];
		}
		else {
			[[challenge sender] cancelAuthenticationChallenge:challenge];
		}
	}];
	[conn start];
}

// Queueing
- (void)startQueuedConnections {
	JWURLConnection *imageConnection = [JWURLConnection connectionByFormUploadingData:[NSData dataWithContentsOfFile:[NSBundle pathToResource:@"image" ofType:@"jpg" inDirectory:imgDir]]];
	JWURLConnection *soundConnection = [JWURLConnection connectionByFormUploadingData:[NSData dataWithContentsOfFile:[NSBundle pathToResource:@"voices" ofType:@"mp3W inDirectory:soundDir]]];
	
	JWURLConnectionQueue *connQueue = [JWURLConnectionQueue queueWithURLConnections:@[imageConnection, soundConnection]];
	[connQueue setDidSendBytesSelector:@selector(queueDidSendBytes:)];
	[connQueue setDelegate:self];
	[connQueue startQueue];
}
- (void)queueDidSendBytes:(JWByteWriter *)br {
	NSLog(@"did write %i if%ibytes", [br totalBytesWritten], [br totalBytesExpectedToWrite]);
}