Added timeout support

@@ -122,7 +122,10 @@
 	//Called on the delegate when the request fails
 	SEL didFailSelector;
 	
+	//Used for recording when something last happened during the request, we will compare this value with the current date to time out requests when appropriate
+	NSDate *lastActivityTime;
 	
+	NSTimeInterval timeOutSeconds;
 }
 
 #pragma mark init / dealloc
@@ -254,5 +257,6 @@
 @property (retain) NSDictionary *requestCredentials;
 @property (assign) int responseStatusCode;
 @property (retain) NSMutableData *receivedData;
-
+@property (retain) NSDate *lastActivityTime;
+@property (assign) NSTimeInterval timeOutSeconds;
 @end

@@ -51,6 +51,7 @@ static void ReadStreamClientCallBack(CFReadStreamRef readStream, CFStreamEventTy
 	//credentials = NULL;
 	request = NULL;
 	responseHeaders = nil;
+	[self setTimeOutSeconds:30];
 	[self setUseKeychainPersistance:NO];
 	[self setUseSessionPersistance:YES];
 	[self setUseCookiePersistance:YES];
@@ -83,6 +84,7 @@ static void ReadStreamClientCallBack(CFReadStreamRef readStream, CFStreamEventTy
 	[authenticationRealm release];
 	[url release];
 	[authenticationLock release];
+	[lastActivityTime release];
 	[super dealloc];
 }
 
@@ -304,11 +306,23 @@ static void ReadStreamClientCallBack(CFReadStreamRef readStream, CFStreamEventTy
 		[self performSelectorOnMainThread:@selector(resetUploadProgress:) withObject:[NSNumber numberWithDouble:postLength] waitUntilDone:YES];
 	}
 
+	//Record when the request started, so we can timeout if nothing happens
+	[self setLastActivityTime:[[NSDate new] autorelease]];
 	
 	// Wait for the request to finish
 	NSDate* endDate = [NSDate distantFuture];
 	while (!complete) {
 		
+		//See if we need to timeout
+		if (lastActivityTime && timeOutSeconds > 0) {
+			if ([[[NSDate new] autorelease] timeIntervalSinceDate:lastActivityTime] > timeOutSeconds) {
+				[self failWithProblem:@"Request timed out"];
+				[self cancelLoad];
+				complete = YES;
+				break;
+			}
+		}
+		
 		// See if our NSOperationQueue told us to cancel
 		if ([self isCancelled]) {
 			[self failWithProblem:@"The request was cancelled"];
@@ -366,6 +380,8 @@ static void ReadStreamClientCallBack(CFReadStreamRef readStream, CFStreamEventTy
 
 - (void)updateUploadProgress
 {
+	[self setLastActivityTime:[[NSDate new] autorelease]];
+	
 	double byteCount = [[(NSNumber *)CFReadStreamCopyProperty (readStream, kCFStreamPropertyHTTPRequestBytesWrittenCount) autorelease] doubleValue];
 	if (uploadProgressDelegate) {
 		[uploadProgressDelegate incrementBy:byteCount-lastBytesSent];
@@ -385,6 +401,8 @@ static void ReadStreamClientCallBack(CFReadStreamRef readStream, CFStreamEventTy
 
 - (void)updateDownloadProgress
 {
+	[self setLastActivityTime:[[NSDate new] autorelease]];
+	
 	//We won't update downlaod progress until we've examined the headers, since we might need to authenticate
 	if (downloadProgressDelegate && responseHeaders) {
 		[downloadProgressDelegate incrementBy:totalBytesRead-lastBytesRead];
@@ -586,6 +604,7 @@ static void ReadStreamClientCallBack(CFReadStreamRef readStream, CFStreamEventTy
 		// check for bad credentials, so we can give the delegate a chance to replace them
 		if (err.domain == kCFStreamErrorDomainHTTP && (err.error == kCFStreamErrorHTTPAuthenticationBadUserName || err.error == kCFStreamErrorHTTPAuthenticationBadPassword)) {
 			ignoreError = YES;	
+			[self setLastActivityTime:nil];
 			if ([delegate respondsToSelector:@selector(authorizationNeededForRequest:)]) {
 				[delegate performSelectorOnMainThread:@selector(authorizationNeededForRequest:) withObject:self waitUntilDone:YES];
 				[authenticationLock lockWhenCondition:2];
@@ -682,14 +701,14 @@ static void ReadStreamClientCallBack(CFReadStreamRef readStream, CFStreamEventTy
 
 - (void)handleBytesAvailable
 {
-
+	
 	if (!responseHeaders) {
 		if ([self readResponseHeadersReturningAuthenticationFailure]) {
 			[self attemptToApplyCredentialsAndResume];
 			return;
 		}
 	}
-
+	
     UInt8 buffer[2048];
     CFIndex bytesRead = CFReadStreamRead(readStream, buffer, sizeof(buffer));
 	  
@@ -863,4 +882,6 @@ static void ReadStreamClientCallBack(CFReadStreamRef readStream, CFStreamEventTy
 @synthesize requestCredentials;
 @synthesize responseStatusCode;
 @synthesize receivedData;
+@synthesize lastActivityTime;
+@synthesize timeOutSeconds;
 @end

@@ -13,6 +13,7 @@
 }
 
 - (void)testBasicDownload;
+- (void)testTimeOut;
 - (void)testOperationQueue;
 - (void)testCookies;
 @end

@@ -58,6 +58,20 @@ More tests needed for:
 	STAssertNotNil(error,@"Failed to generate an error for a bad host - this test may fail when your DNS server redirects you to another page when it can't find a domain name (eg OpenDNS)");
 }
 
+- (void)testTimeOut
+{
+	//Grab data
+	NSURL *url = [[[NSURL alloc] initWithString:@"http://allseeing-i.com"] autorelease];
+	ASIHTTPRequest *request = [[[ASIHTTPRequest alloc] initWithURL:url] autorelease];
+	[request setTimeOutSeconds:0.0001]; //It's pretty unlikely we will be able to grab the data this quickly, so the request should timeout
+	[request start];
+	NSError *error = [request error];
+	STAssertNotNil(error,@"Request didn't timeout");
+	BOOL success = [[[error userInfo] valueForKey:@"Description"] isEqualToString:@"Request timed out"];
+	STAssertTrue(success,@"Timeout didn't generate the correct error");
+	
+}
+
 - (void)testOperationQueue
 {
 	NSOperationQueue *queue = [[[NSOperationQueue alloc] init] autorelease];

@@ -40,4 +40,5 @@
 - (IBAction)fetchTopSecretInformation:(id)sender;
 
 - (IBAction)postWithProgress:(id)sender;
+
 @end