Implemented shutdown of HTTPServer on app suspension and restart on a…

…pp resume
fingerkiller · Feb 20, 2013 · dad4e41 · dad4e41
1 parent bccfaa3
commit dad4e41
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Showing 2 changed files with 36 additions and 14 deletions.
diff --git a/Samples/iPhoneHTTPServer/Classes/iPhoneHTTPServerAppDelegate.m b/Samples/iPhoneHTTPServer/Classes/iPhoneHTTPServerAppDelegate.m
@@ -13,6 +13,21 @@ @implementation iPhoneHTTPServerAppDelegate
 @synthesize window;
 @synthesize viewController;
 
+- (void)startServer
+{
+    // Start the server (and check for problems)
+
+	NSError *error;
+	if([httpServer start:&error])
+	{
+		DDLogInfo(@"Started HTTP Server on port %hu", [httpServer listeningPort]);
+	}
+	else
+	{
+		DDLogError(@"Error starting HTTP Server: %@", error);
+	}
+}
+
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
 	// Configure our logging framework.
@@ -36,26 +51,30 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
 	DDLogInfo(@"Setting document root: %@", webPath);
 
 	[httpServer setDocumentRoot:webPath];
-
-	// Start the server (and check for problems)
-
-	NSError *error;
-	if([httpServer start:&error])
-	{
-		DDLogInfo(@"Started HTTP Server on port %hu", [httpServer listeningPort]);
-	}
-	else
-	{
-		DDLogError(@"Error starting HTTP Server: %@", error);
-	}
-
+
+    [self startServer];
+
     // Add the view controller's view to the window and display.
     [window addSubview:viewController.view];
     [window makeKeyAndVisible];
-
+    
     return YES;
 }
 
+- (void)applicationWillEnterForeground:(UIApplication *)application
+{
+    [self startServer];
+}
+
+- (void)applicationDidEnterBackground:(UIApplication *)application
+{
+    // There is no public(allowed in AppStore) method for iOS to run continiously in the background for our purposes (serving HTTP).
+    // So, we stop the server when the app is paused (if a users exits from the app or locks a device) and
+    // restart the server when the app is resumed (based on this document: http://developer.apple.com/library/ios/#technotes/tn2277/_index.html )
+
+    [httpServer stop];
+}
+
 
 
 @end
diff --git a/Samples/iPhoneHTTPServer/README.markdown b/Samples/iPhoneHTTPServer/README.markdown
@@ -4,6 +4,9 @@ This is a bare bones project demonstrating how to embed the CocoaHTTPServer in a
 
 Notice the Web folder. This folder is added to the project as a resource, and the folder itself is copied into the iPhone app. The contents of the folder are set as the document root of the http server.
 
+Critical note: The server is running only while application is in foreground. As soon as you exit from the application (by switching to another app or locking a device) the server will be stopped. The server will be restarted when you enter the application again.
+Read this Apple technical note for the details: http://developer.apple.com/library/ios/#technotes/tn2277/_index.html
+
 INSTRUCTIONS:
 
 Open the Xcode project, and build and go.