Change timer behaviour to prevent endless recursion

Stop running runloop in checkRequestStatus, it's not nescessary and it meant we were updating progress every 0.5 secs rather than every 0.25 secs
Remove authenticationLock, delegate-style auth is now non-blocking
Requests on standard run loop

@@ -228,9 +228,6 @@ extern unsigned long const ASIWWANBandwidthThrottleAmount;
 	// Last amount of data sent (used for incrementing progress)
 	unsigned long long lastBytesSent;
 	
-	// This lock will block the request until the delegate supplies authentication info
-	NSConditionLock *authenticationLock;
-	
 	// This lock prevents the operation from being cancelled at an inopportune moment
 	NSRecursiveLock *cancelledLock;
 	

@@ -20,10 +20,6 @@
 #endif
 #import "ASIInputStream.h"
 
-
-// We use our own custom run loop mode as CoreAnimation seems to want to hijack our threads otherwise
-static CFStringRef ASIHTTPRequestRunMode = CFSTR("ASIHTTPRequest");
-
 NSString* const NetworkRequestErrorDomain = @"ASIHTTPRequestErrorDomain";
 
 static const CFOptionFlags kNetworkEvents = kCFStreamEventOpenCompleted | kCFStreamEventHasBytesAvailable | kCFStreamEventEndEncountered | kCFStreamEventErrorOccurred;
@@ -134,7 +130,6 @@ static BOOL isiPhoneOS2;
 @property (assign, nonatomic) int redirectCount;
 @property (retain, nonatomic) NSData *compressedPostBody;
 @property (retain, nonatomic) NSString *compressedPostBodyFilePath;
-@property (retain) NSConditionLock *authenticationLock;
 @property (retain) NSString *authenticationRealm;
 @property (retain) NSString *proxyAuthenticationRealm;
 @property (retain) NSString *responseStatusMessage;
@@ -240,7 +235,6 @@ static BOOL isiPhoneOS2;
 	[proxyAuthenticationScheme release];
 	[proxyCredentials release];
 	[url release];
-	[authenticationLock release];
 	[lastActivityTime release];
 	[responseCookies release];
 	[rawResponseData release];
@@ -722,8 +716,6 @@ static BOOL isiPhoneOS2;
 	
 	[self requestStarted];
 	
-	[self setAuthenticationLock:[[[NSConditionLock alloc] initWithCondition:1] autorelease]];
-	
 	[self setComplete:NO];
 	[self setTotalBytesRead:0];
 	[self setLastBytesRead:0];
@@ -850,12 +842,12 @@ static BOOL isiPhoneOS2;
     }
     
     // Schedule the stream
-    CFReadStreamScheduleWithRunLoop(readStream, CFRunLoopGetCurrent(), ASIHTTPRequestRunMode);
+    CFReadStreamScheduleWithRunLoop(readStream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
     
     // Start the HTTP connection
     if (!CFReadStreamOpen(readStream)) {
         CFReadStreamSetClient(readStream, 0, NULL, NULL);
-        CFReadStreamUnscheduleFromRunLoop(readStream, CFRunLoopGetCurrent(), ASIHTTPRequestRunMode);
+        CFReadStreamUnscheduleFromRunLoop(readStream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
         CFRelease(readStream);
         readStream = NULL;
 		[[self cancelledLock] unlock];
@@ -884,12 +876,12 @@ static BOOL isiPhoneOS2;
 
 - (void)loadAsynchronous
 {
-	[NSTimer scheduledTimerWithTimeInterval:0.25 target:self selector:@selector(updateStatus:) userInfo:nil repeats:NO];
+	[NSTimer scheduledTimerWithTimeInterval:0.25 target:self selector:@selector(updateStatus:) userInfo:nil repeats:YES];
 	
 	// If we're running asynchronously on the main thread, the runloop will already be running
 	if (![NSThread isMainThread]) {
 		// Will stop automatically when the request is done
-		CFRunLoopRun();	
+		CFRunLoopRun();
 	}
 }
 
@@ -899,7 +891,7 @@ static BOOL isiPhoneOS2;
 {
 	while (!complete) {
 		[self checkRequestStatus];
-		CFRunLoopRunInMode(ASIHTTPRequestRunMode, 0.25, NO);
+		CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.25, NO);
 	}
 }
 
@@ -908,10 +900,9 @@ static BOOL isiPhoneOS2;
 {
 	[self checkRequestStatus];
 	if ([self complete] || [self error]) {
+		[timer invalidate];
 		[self willChangeValueForKey:@"isFinished"];
 		[self didChangeValueForKey:@"isFinished"];
-	} else {
-		[self loadAsynchronous];
 	}
 }
 
@@ -962,26 +953,27 @@ static BOOL isiPhoneOS2;
 		return;
 	}
 	
+	// readStream will be null if we aren't currently running (perhaps we're waiting for a delegate to supply credentials)
 	if (readStream) {
+			
+		// Find out if we've sent any more data than last time, and reset the timeout if so
+		if (totalBytesSent > lastBytesSent) {
+			[self setLastActivityTime:[NSDate date]];
+			[self setLastBytesSent:totalBytesSent];
+		}
 		
-	// Find out if we've sent any more data than last time, and reset the timeout if so
-	if (totalBytesSent > lastBytesSent) {
-		[self setLastActivityTime:[NSDate date]];
-		[self setLastBytesSent:totalBytesSent];
-	}
-	
-	// Find out how much data we've uploaded so far
-	[self setTotalBytesSent:[[(NSNumber *)CFReadStreamCopyProperty(readStream, kCFStreamPropertyHTTPRequestBytesWrittenCount) autorelease] unsignedLongLongValue]];
-	
-	
-	[self updateProgressIndicators];
-	
-	// Measure bandwidth used, and throttle if nescessary
-	[ASIHTTPRequest measureBandwidthUsage];
+		// Find out how much data we've uploaded so far
+		[self setTotalBytesSent:[[(NSNumber *)CFReadStreamCopyProperty(readStream, kCFStreamPropertyHTTPRequestBytesWrittenCount) autorelease] unsignedLongLongValue]];
+		
+		
+		[self updateProgressIndicators];
+		
+		// Measure bandwidth used, and throttle if nescessary
+		[ASIHTTPRequest measureBandwidthUsage];
 	}
 	
 	// This thread should wait for 1/4 second for the stream to do something
-	CFRunLoopRunInMode(ASIHTTPRequestRunMode,0.25,NO);
+	//CFRunLoopRunInMode(kCFRunLoopDefaultMode,0.25,NO);
 	
 	
 	[[self cancelledLock] unlock];
@@ -993,7 +985,7 @@ static BOOL isiPhoneOS2;
 {
     if (readStream) {
 		CFReadStreamSetClient(readStream, kCFStreamEventNone, NULL, NULL);
-		CFReadStreamUnscheduleFromRunLoop(readStream, CFRunLoopGetCurrent(), ASIHTTPRequestRunMode);
+		CFReadStreamUnscheduleFromRunLoop(readStream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
 		CFReadStreamClose(readStream);
 		CFRelease(readStream);
 		readStream = NULL;
@@ -1750,8 +1742,6 @@ static BOOL isiPhoneOS2;
 - (void)cancelAuthentication
 {
 	[self failWithError:ASIAuthenticationError];
-	[[self authenticationLock] lockWhenCondition:1];
-	[[self authenticationLock] unlockWithCondition:2];
 }
 
 - (BOOL)showProxyAuthenticationDialog
@@ -1761,11 +1751,6 @@ static BOOL isiPhoneOS2;
 	// Cannot show the dialog when we are running on the main thread, as the locks will cause the app to hang
 	if ([self shouldPresentProxyAuthenticationDialog] && ![NSThread isMainThread]) {
 		[ASIAuthenticationDialog performSelectorOnMainThread:@selector(presentProxyAuthenticationDialogForRequest:) withObject:self waitUntilDone:[NSThread isMainThread]];
-		[[self authenticationLock] lockWhenCondition:2];
-		[[self authenticationLock] unlockWithCondition:1];
-		if ([self error]) {
-			return NO;
-		}
 		return YES;
 	}
 	return NO;
@@ -1791,13 +1776,6 @@ static BOOL isiPhoneOS2;
 	
 	if ([authenticationDelegate respondsToSelector:@selector(proxyAuthenticationNeededForRequest:)]) {
 		[authenticationDelegate performSelectorOnMainThread:@selector(proxyAuthenticationNeededForRequest:) withObject:self waitUntilDone:[NSThread isMainThread]];
-		[[self authenticationLock] lockWhenCondition:2];
-		[[self authenticationLock] unlockWithCondition:1];
-		
-		// Was the request cancelled?
-		if ([self error] || [[self mainRequest] error]) {
-			return NO;
-		}
 		return YES;
 	}
 	return NO;
@@ -1941,13 +1919,11 @@ static BOOL isiPhoneOS2;
 		}
 		
 		if ([self askDelegateForProxyCredentials]) {
-			[self attemptToApplyProxyCredentialsAndResume];
 			[delegateAuthenticationLock unlock];
 			return;
 		}
 		
 		if ([self showProxyAuthenticationDialog]) {
-			[self attemptToApplyProxyCredentialsAndResume];
 			[delegateAuthenticationLock unlock];
 			return;
 		}
@@ -1967,11 +1943,6 @@ static BOOL isiPhoneOS2;
 	// Cannot show the dialog when we are running on the main thread, as the locks will cause the app to hang
 	if ([self shouldPresentAuthenticationDialog]) {
 		[ASIAuthenticationDialog performSelectorOnMainThread:@selector(presentAuthenticationDialogForRequest:) withObject:self waitUntilDone:[NSThread isMainThread]];
-		[[self authenticationLock] lockWhenCondition:2];
-		[[self authenticationLock] unlockWithCondition:1];
-		if ([self error]) {
-			return NO;
-		}
 		return YES;
 	}
 	return NO;
@@ -1982,11 +1953,6 @@ static BOOL isiPhoneOS2;
 
 - (BOOL)askDelegateForCredentials
 {
-//	// Can't use delegate authentication when running on the main thread
-//	if ([NSThread isMainThread]) {
-//		return NO;
-//	}
-	
 	// If we have a delegate, we'll see if it can handle proxyAuthenticationNeededForRequest:.
 	// Otherwise, we'll try the queue (if this request is part of one) and it will pass the message on to its own delegate
 	id authenticationDelegate = [self delegate];
@@ -1996,13 +1962,6 @@ static BOOL isiPhoneOS2;
 	
 	if ([authenticationDelegate respondsToSelector:@selector(authenticationNeededForRequest:)]) {
 		[authenticationDelegate performSelectorOnMainThread:@selector(authenticationNeededForRequest:) withObject:self waitUntilDone:[NSThread isMainThread]];
-		//[[self authenticationLock] lockWhenCondition:2];
-//		[[self authenticationLock] unlockWithCondition:1];
-//		
-//		// Was the request cancelled?
-//		if ([self error] || [[self mainRequest] error]) {
-//			return NO;
-		//}
 		return YES;
 	}
 	return NO;
@@ -2077,12 +2036,10 @@ static BOOL isiPhoneOS2;
 			[self setLastActivityTime:nil];
 			
 			if ([self askDelegateForCredentials]) {
-				[self attemptToApplyCredentialsAndResume];
 				[delegateAuthenticationLock unlock];
 				return;
 			}
 			if ([self showAuthenticationDialog]) {
-				[self attemptToApplyCredentialsAndResume];
 				[delegateAuthenticationLock unlock];
 				return;
 			}
@@ -2150,7 +2107,6 @@ static BOOL isiPhoneOS2;
 		}
 		
 		if ([self showAuthenticationDialog]) {
-			[self attemptToApplyCredentialsAndResume];
 			[delegateAuthenticationLock unlock];
 			return;
 		}
@@ -2304,7 +2260,7 @@ static BOOL isiPhoneOS2;
 	
     if (readStream) {
 		CFReadStreamSetClient(readStream, kCFStreamEventNone, NULL, NULL);
-		CFReadStreamUnscheduleFromRunLoop(readStream, CFRunLoopGetCurrent(), ASIHTTPRequestRunMode);
+		CFReadStreamUnscheduleFromRunLoop(readStream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
 		CFReadStreamClose(readStream);
 		CFRelease(readStream);
 		readStream = NULL;
@@ -3268,7 +3224,6 @@ static BOOL isiPhoneOS2;
 @synthesize needsRedirect;
 @synthesize redirectCount;
 @synthesize shouldCompressRequestBody;
-@synthesize authenticationLock;
 @synthesize needsProxyAuthentication;
 @synthesize proxyCredentials;
 @synthesize proxyHost;