added use cases in iphone sample

@@ -19,6 +19,12 @@
 	[self setRequest:[ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/top_secret/"]]];
 	[request setUseKeychainPersistence:[useKeychain isOn]];
 	[request setDelegate:self];
+    [request setAuthenticationNeededBlock:^(ASIHTTPRequest *request){
+        NSLog(@"authentication needed");
+    }];
+    [request setProxyAuthenticationNeededBlock:^(ASIHTTPRequest *request){
+        NSLog(@"proxy authentication needed");
+    }];
 	[request setShouldPresentAuthenticationDialog:[useBuiltInDialog isOn]];
 	[request setDidFinishSelector:@selector(topSecretFetchComplete:)];
 	[request setDidFailSelector:@selector(topSecretFetchFailed:)];

@@ -17,6 +17,16 @@
 
 - (IBAction)fetchThreeImages:(id)sender
 {
+    ASIHTTPRequestSizeBlock sizeBlock = ^(ASIHTTPRequest *request, long long size){
+        NSDictionary *userInfo = [request userInfo];
+        NSLog(@"request - %@ named = %@ download size incremented %lld", request, [userInfo valueForKey:@"name"], size);
+    };
+    
+    ASIHTTPRequestProgressBlock bytesBlock = ^(ASIHTTPRequest *request, unsigned long long size, unsigned long long total){
+        NSDictionary *userInfo = [request userInfo];
+        NSLog(@"request - %@ named - %@ downloaded bytes size %llu of total: %llu", request, [userInfo valueForKey:@"name"], size, total);
+    };
+    
 	[imageView1 setImage:nil];
 	[imageView2 setImage:nil];
 	[imageView3 setImage:nil];
@@ -34,18 +44,27 @@
 	
 	ASIHTTPRequest *request;
 	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/images/small-image.jpg"]];
+    [request setDownloadSizeIncrementedBlock:sizeBlock];
+    [request setBytesReceivedBlock:bytesBlock];
 	[request setDownloadDestinationPath:[[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"] stringByAppendingPathComponent:@"1.png"]];
 	[request setDownloadProgressDelegate:imageProgressIndicator1];
+    [request setUserInfo:[NSDictionary dictionaryWithObject:@"request1" forKey:@"name"]];
 	[networkQueue addOperation:request];
 	
 	request = [[[ASIHTTPRequest alloc] initWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/images/medium-image.jpg"]] autorelease];
+    [request setDownloadSizeIncrementedBlock:sizeBlock];
+    [request setBytesReceivedBlock:bytesBlock];
 	[request setDownloadDestinationPath:[[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"] stringByAppendingPathComponent:@"2.png"]];
 	[request setDownloadProgressDelegate:imageProgressIndicator2];
+    [request setUserInfo:[NSDictionary dictionaryWithObject:@"request2" forKey:@"name"]];
 	[networkQueue addOperation:request];
 	
 	request = [[[ASIHTTPRequest alloc] initWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/images/large-image.jpg"]] autorelease];
+    [request setDownloadSizeIncrementedBlock:sizeBlock];
+    [request setBytesReceivedBlock:bytesBlock];
 	[request setDownloadDestinationPath:[[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"] stringByAppendingPathComponent:@"3.png"]];
 	[request setDownloadProgressDelegate:imageProgressIndicator3];
+    [request setUserInfo:[NSDictionary dictionaryWithObject:@"request3" forKey:@"name"]];
 	[networkQueue addOperation:request];
 	
 	[networkQueue go];

@@ -19,12 +19,41 @@
 {
 	
 	NSURL *url = [NSURL URLWithString:[urlField text]];
+    NSMutableData *recievedData = [NSMutableData data];
 	// Create a request
 	// You don't normally need to retain a synchronous request, but we need to in this case because we'll need it later if we reload the table data
 	[self setRequest:[ASIHTTPRequest requestWithURL:url]];
 	
 	//Customise our user agent, for no real reason
 	[request addRequestHeader:@"User-Agent" value:@"ASIHTTPRequest"];
+    
+    [request setStartedBlock:^(ASIHTTPRequest *aRequest){
+        NSLog(@"started!");
+    }];
+    [request setHeadersReceivedBlock:^(ASIHTTPRequest *aRequest){
+        NSLog(@"headers recieved");
+    }];
+    
+    [request setBytesReceivedBlock:^(ASIHTTPRequest *aRequest, unsigned long long length, unsigned long long total){
+        NSLog(@"bytes received:%llu of total: %llu", length, total);
+    }];
+    
+    [request setDownloadSizeIncrementedBlock:^(ASIHTTPRequest *aRequest, long long length){
+        NSLog(@"download size incremented:%lld", length);
+    }];
+    
+    [request setDataReceivedBlock:^(ASIHTTPRequest *aRequest, NSData *data){
+        [recievedData appendData:data];
+        NSLog(@"data - %@", recievedData);
+    }];
+    
+	[request setCompletionBlock:^(ASIHTTPRequest *aRequest){
+        if ([aRequest error]) {
+            NSLog(@"error from block");
+        } else if ([aRequest responseString]) {
+            NSLog(@"finish from block");
+        }
+    }];
 	
 	// Start the request
 	[request startSynchronous];

@@ -20,10 +20,17 @@
 	[request setPostValue:@"test" forKey:@"value2"];
 	[request setPostValue:@"test" forKey:@"value3"];
 	[request setTimeOutSeconds:20];
-	[request setUploadProgressDelegate:progressIndicator];
+    [request setBytesSentBlock:^(ASIHTTPRequest *request, unsigned long long length, unsigned long long total){
+        NSLog(@"sent %llu bytes of %llu total", length, total);
+    }];
+    
+    [request setUploadSizeIncrementedBlock:^(ASIHTTPRequest *request, long long length){
+        NSLog(@"upload size incremented = %lld",length);
+    }];
+	/*[request setUploadProgressDelegate:progressIndicator];
 	[request setDelegate:self];
 	[request setDidFailSelector:@selector(uploadFailed:)];
-	[request setDidFinishSelector:@selector(uploadFinished:)];
+	[request setDidFinishSelector:@selector(uploadFinished:)];*/
 	
 	//Create a 256KB file
 	NSData *data = [[[NSMutableData alloc] initWithLength:256*1024] autorelease];