Created logger with log levels

Limelight.xcodeproj/project.pbxproj

@@ -65,6 +65,7 @@
 		FB9AFD3D1A7E111600872C98 /* AppAssetResponse.m in Sources */ = {isa = PBXBuildFile; fileRef = FB9AFD3C1A7E111600872C98 /* AppAssetResponse.m */; };
 		FB9AFD401A7E127D00872C98 /* AppListResponse.m in Sources */ = {isa = PBXBuildFile; fileRef = FB9AFD3F1A7E127D00872C98 /* AppListResponse.m */; };
 		FB9AFD431A7F0C6900872C98 /* Controller.m in Sources */ = {isa = PBXBuildFile; fileRef = FB9AFD421A7F0C6900872C98 /* Controller.m */; };
+		FBD1C8E21A8AD71400C6703C /* Logger.m in Sources */ = {isa = PBXBuildFile; fileRef = FBD1C8E11A8AD71400C6703C /* Logger.m */; };
 		FBD3494319FC9C04002D2A60 /* AppAssetManager.m in Sources */ = {isa = PBXBuildFile; fileRef = FBD3494219FC9C04002D2A60 /* AppAssetManager.m */; };
 		FBD3495019FF2174002D2A60 /* SettingsViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = FBD3494F19FF2174002D2A60 /* SettingsViewController.m */; };
 		FBD3495319FF36FB002D2A60 /* SWRevealViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = FBD3495219FF36FB002D2A60 /* SWRevealViewController.m */; };
@@ -268,6 +269,8 @@
 		FB9AFD3F1A7E127D00872C98 /* AppListResponse.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppListResponse.m; sourceTree = "<group>"; };
 		FB9AFD411A7F0C6900872C98 /* Controller.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Controller.h; sourceTree = "<group>"; };
 		FB9AFD421A7F0C6900872C98 /* Controller.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Controller.m; sourceTree = "<group>"; };
+		FBD1C8E01A8AD69E00C6703C /* Logger.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Logger.h; sourceTree = "<group>"; };
+		FBD1C8E11A8AD71400C6703C /* Logger.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Logger.m; sourceTree = "<group>"; };
 		FBD3494119FC9C04002D2A60 /* AppAssetManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppAssetManager.h; sourceTree = "<group>"; };
 		FBD3494219FC9C04002D2A60 /* AppAssetManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppAssetManager.m; sourceTree = "<group>"; };
 		FBD3494E19FF2174002D2A60 /* SettingsViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SettingsViewController.h; sourceTree = "<group>"; };
@@ -509,6 +512,8 @@
 				FBDE86E819F82315001C18A8 /* App.m */,
 				FB89462119F646E200339C8A /* Utils.h */,
 				FB89462219F646E200339C8A /* Utils.m */,
+				FBD1C8E01A8AD69E00C6703C /* Logger.h */,
+				FBD1C8E11A8AD71400C6703C /* Logger.m */,
 			);
 			path = Utility;
 			sourceTree = "<group>";
@@ -893,6 +898,7 @@
 				FB4678FA1A55FFAD00377732 /* DiscoveryManager.m in Sources */,
 				FBD3495B1A004411002D2A60 /* Host.m in Sources */,
 				FB89463519F646E200339C8A /* MainFrameViewController.m in Sources */,
+				FBD1C8E21A8AD71400C6703C /* Logger.m in Sources */,
 				FB89463619F646E200339C8A /* StreamFrameViewController.m in Sources */,
 				FB89462819F646E200339C8A /* CryptoManager.m in Sources */,
 				FB89462E19F646E200339C8A /* PairManager.m in Sources */,

Limelight/AppDelegate.m

@@ -85,7 +85,7 @@ static NSOperationQueue* mainQueue;
         if ([managedObjectContext hasChanges] && ![managedObjectContext save:&error]) {
              // Replace this implementation with code to handle the error appropriately.
              // abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
-            NSLog(@"Unresolved error %@, %@", error, [error userInfo]);
+            Log(LOG_E, @"Unresolved error %@, %@", error, [error userInfo]);
             abort();
         } 
     }
@@ -159,7 +159,7 @@ static NSOperationQueue* mainQueue;
          Lightweight migration will only work for a limited set of schema changes; consult "Core Data Model Versioning and Data Migration Programming Guide" for details.
          
          */
-        NSLog(@"Unresolved error %@, %@", error, [error userInfo]);
+        Log(LOG_E, @"Unresolved error %@, %@", error, [error userInfo]);
         abort();
     }    
     

Limelight/Crypto/CryptoManager.m

@@ -86,7 +86,7 @@ static NSData* p12 = nil;
     BIO_free(bio);
     
     if (!x509) {
-        NSLog(@"ERROR: unable to parse certificate in memory");
+        Log(LOG_E, @"Unable to parse certificate in memory");
         return NULL;
     }
     
@@ -115,7 +115,7 @@ static NSData* p12 = nil;
     BIO_free(bio);
     
     if (!pkey) {
-        NSLog(@"ERROR: unable to parse private key in memory!");
+        Log(LOG_E, @"Unable to parse private key in memory!");
         return NULL;
     }
     
@@ -195,7 +195,7 @@ static NSData* p12 = nil;
     x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
     
     if (!x509) {
-        NSLog(@"ERROR: unable to parse certificate in memory!");
+        Log(LOG_E, @"Unable to parse certificate in memory!");
         return NULL;
     }
     return [NSData dataWithBytes:x509->signature->data length:x509->signature->length];
@@ -206,7 +206,7 @@ static NSData* p12 = nil;
     dispatch_once(&pred, ^{
         if (![CryptoManager keyPairExists]) {
             
-            NSLog(@"Generating Certificate... ");
+            Log(LOG_I, @"Generating Certificate... ");
             CertKeyPair certKeyPair = generateCertKeyPair();
             
             NSArray* paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
@@ -215,10 +215,10 @@ static NSData* p12 = nil;
             NSString* keyPairFile = [documentsDirectory stringByAppendingPathComponent:@"client.key"];
             NSString* p12File = [documentsDirectory stringByAppendingPathComponent:@"client.p12"];
             
-            //NSLog(@"Writing cert and key to: \n%@\n%@", certFile, keyPairFile);
+            //Log(LOG_D, @"Writing cert and key to: \n%@\n%@", certFile, keyPairFile);
             saveCertKeyPair([certFile UTF8String], [p12File UTF8String], [keyPairFile UTF8String], certKeyPair);
             freeCertKeyPair(certKeyPair);
-            NSLog(@"Certificate created");
+            Log(LOG_I, @"Certificate created");
         }
     });
 }
@@ -233,7 +233,7 @@ static NSData* p12 = nil;
     NSMutableString* uniqueId = [NSMutableString stringWithString:[idString substringFromIndex:19]];
     [uniqueId deleteCharactersInRange:NSMakeRange(4, 1)];
     
-    //NSLog(@"Unique ID: %@", uniqueId);
+    //Log(LOG_D, @"Unique ID: %@", uniqueId);
     return [NSString stringWithString:uniqueId];
 }
 

Limelight/Database/DataManager.m

@@ -27,7 +27,7 @@
 
     NSError* error;
     if (![[self.appDelegate managedObjectContext] save:&error]) {
-        NSLog(@"ERROR: Unable to save settings to database");
+        Log(LOG_E, @"Unable to save settings to database: %@", error);
     }
     [self.appDelegate saveContext];
 }
@@ -59,7 +59,7 @@
 - (void) saveHosts {
     NSError* error;
     if (![[self.appDelegate managedObjectContext] save:&error]) {
-        NSLog(@"ERROR: Unable to save hosts to database");
+        Log(LOG_E, @"Unable to save hosts to database: %@", error);
     }
     [self.appDelegate saveContext];
 }

Limelight/Input/ControllerSupport.m

@@ -228,7 +228,7 @@
             };
         }
     } else {
-        NSLog(@"ERROR: Tried to register controller callbacks on NULL controller");
+        Log(LOG_W, @"Tried to register controller callbacks on NULL controller");
     }
 }
 
@@ -277,7 +277,7 @@
             limeController.playerIndex = i;
             [_controllers setObject:limeController forKey:[NSNumber numberWithInteger:controller.playerIndex]];
             
-            NSLog(@"Assigning controller index: %d", i);
+            Log(LOG_I, @"Assigning controller index: %d", i);
             break;
         }
     }
@@ -291,7 +291,7 @@
     _controllers = [[NSMutableDictionary alloc] init];
     _controllerNumbers = 0;
     
-    NSLog(@"Number of controllers connected: %ld", (long)[[GCController controllers] count]);
+    Log(LOG_I, @"Number of controllers connected: %ld", (long)[[GCController controllers] count]);
     for (GCController* controller in [GCController controllers]) {
         [self assignController:controller];
         [self registerControllerCallbacks:controller];
@@ -299,7 +299,7 @@
     }
     
     self.connectObserver = [[NSNotificationCenter defaultCenter] addObserverForName:GCControllerDidConnectNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
-        NSLog(@"Controller connected!");
+        Log(LOG_I, @"Controller connected!");
         
         GCController* controller = note.object;
         [self assignController:controller];
@@ -311,13 +311,13 @@
         [self updateAutoOnScreenControlMode];
     }];
     self.disconnectObserver = [[NSNotificationCenter defaultCenter] addObserverForName:GCControllerDidDisconnectNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
-        NSLog(@"Controller disconnected!");
+        Log(LOG_I, @"Controller disconnected!");
         
         GCController* controller = note.object;
         [self unregisterControllerCallbacks:controller];
         [_controllers removeObjectForKey:[NSNumber numberWithInteger:controller.playerIndex]];
         _controllerNumbers &= ~(1 << controller.playerIndex);
-        NSLog(@"Unassigning controller index: %ld", (long)controller.playerIndex);
+        Log(LOG_I, @"Unassigning controller index: %ld", (long)controller.playerIndex);
         
         // Re-evaluate the on-screen control mode
         [self updateAutoOnScreenControlMode];

Limelight/Input/OnScreenControls.m

@@ -205,7 +205,7 @@ static float L3_Y;
             [self hideL3R3]; // Full controls don't need these they have the sticks
             break;
         default:
-            NSLog(@"Unknown on-screen controls level: %d", (int)_level);
+            Log(LOG_W, @"Unknown on-screen controls level: %d", (int)_level);
             break;
     }
 }

Limelight/Input/StreamView.m

@@ -38,13 +38,13 @@
         [controllerSupport initAutoOnScreenControlMode:onScreenControls];
     }
     else {
-        NSLog(@"Setting manual on-screen controls level: %d", (int)level);
+        Log(LOG_I, @"Setting manual on-screen controls level: %d", (int)level);
         [onScreenControls setLevel:level];
     }
 }
 
 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
-    NSLog(@"Touch down");
+    Log(LOG_D, @"Touch down");
     if (![onScreenControls handleTouchDownEvent:touches]) {
         UITouch *touch = [[event allTouches] anyObject];
         touchLocation = [touch locationInView:self];
@@ -88,11 +88,11 @@
 }
 
 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
-    NSLog(@"Touch up");
+    Log(LOG_D, @"Touch up");
     if (![onScreenControls handleTouchUpEvent:touches]) {
         if (!touchMoved) {
             if ([[event allTouches] count]  == 2) {
-                NSLog(@"Sending right mouse button press");
+                Log(LOG_D, @"Sending right mouse button press");
 
                 LiSendMouseButtonEvent(BUTTON_ACTION_PRESS, BUTTON_RIGHT);
 
@@ -103,7 +103,7 @@
 
 
             } else {
-                NSLog(@"Sending left mouse button press");
+                Log(LOG_D, @"Sending left mouse button press");
 
                 LiSendMouseButtonEvent(BUTTON_ACTION_PRESS, BUTTON_LEFT);
 

Limelight/Limelight-Prefix.pch

@@ -14,4 +14,5 @@
     #import <UIKit/UIKit.h>
     #import <Foundation/Foundation.h>
     #import <CoreData/CoreData.h>
-#endif
+    #import "Logger.h"
+#endif

Limelight/Network/AppAssetManager.m

@@ -32,7 +32,7 @@
     Host* oldHost = _host;
     _host = host;
     BOOL useCache = [oldHost.uuid isEqualToString:_host.uuid];
-    NSLog(@"Using cached app images: %d", useCache);
+    Log(LOG_I, @"Using cached app images: %d", useCache);
     if (!useCache) {
         [_imageCache removeAllObjects];
     }

Limelight/Network/AppListResponse.m

@@ -29,13 +29,13 @@ static const char* TAG_APP_IS_RUNNING = "IsRunning";
 - (void) parseData {
     xmlDocPtr docPtr = xmlParseMemory([self.data bytes], (int)[self.data length]);
     if (docPtr == NULL) {
-        NSLog(@"ERROR: An error occured trying to parse xml.");
+        Log(LOG_W, @"An error occured trying to parse xml.");
         return;
     }
     
     xmlNodePtr node = xmlDocGetRootElement(docPtr);
     if (node == NULL) {
-        NSLog(@"ERROR: No root XML element.");
+        Log(LOG_W, @"No root XML element.");
         xmlFreeDoc(docPtr);
         return;
     }
@@ -61,7 +61,7 @@ static const char* TAG_APP_IS_RUNNING = "IsRunning";
     node = node->children;
     
     while (node != NULL) {
-        //NSLog(@"node: %s", node->name);
+        //Log(LOG_D, @"node: %s", node->name);
         if (!xmlStrcmp(node->name, (xmlChar*)TAG_APP)) {
             xmlNodePtr appInfoNode = node->xmlChildrenNode;
             NSString* appName;

Limelight/Network/DiscoveryManager.m

@@ -63,7 +63,7 @@
 }
 
 - (void) startDiscovery {
-    NSLog(@"Starting discovery");
+    Log(LOG_I, @"Starting discovery");
     shouldDiscover = YES;
     [_mdnsMan searchForHosts];
     for (Host* host in _hostQueue) {
@@ -72,19 +72,19 @@
 }
 
 - (void) stopDiscovery {
-    NSLog(@"Stopping discovery");
+    Log(LOG_I, @"Stopping discovery");
     shouldDiscover = NO;
     [_mdnsMan stopSearching];
     [_opQueue cancelAllOperations];
 }
 
 - (void) stopDiscoveryBlocking {
-    NSLog(@"Stopping discovery and waiting for workers to stop");
+    Log(LOG_I, @"Stopping discovery and waiting for workers to stop");
     shouldDiscover = NO;
     [_mdnsMan stopSearching];
     [_opQueue cancelAllOperations];
     [_opQueue waitUntilAllOperationsAreFinished];
-    NSLog(@"All discovery workers stopped");
+    Log(LOG_I, @"All discovery workers stopped");
 }
 
 - (BOOL) addHostToDiscovery:(Host *)host {
@@ -113,15 +113,15 @@
         DataManager* dataMan = [[DataManager alloc] init];
         // Discover the hosts before adding to eliminate duplicates
         for (Host* host in hosts) {
-            NSLog(@"Found host through MDNS: %@:", host.name);
+            Log(LOG_I, @"Found host through MDNS: %@:", host.name);
             // Since this is on a background thread, we do not need to use the opQueue
             DiscoveryWorker* worker = (DiscoveryWorker*)[self createWorkerForHost:host];
             [worker discoverHost];
             if ([self addHostToDiscovery:host]) {
-                NSLog(@"Adding host to discovery: %@", host.name);
+                Log(LOG_I, @"Adding host to discovery: %@", host.name);
                 [_callback updateAllHosts:_hostQueue];
             } else {
-                NSLog(@"Not adding host to discovery: %@", host.name);
+                Log(LOG_I, @"Not adding host to discovery: %@", host.name);
                 [dataMan removeHost:host];
             }
         }

Limelight/Network/DiscoveryWorker.m

@@ -57,7 +57,7 @@ static const float POLL_RATE = 2.0f; // Poll every 2 seconds
     }
     _host.online = receivedResponse;
     if (receivedResponse) {
-        NSLog(@"Received response from: %@\n{\n\t address:%@ \n\t localAddress:%@ \n\t externalAddress:%@ \n\t uuid:%@ \n\t mac:%@ \n\t pairState:%d \n\t online:%d \n}", _host.name, _host.address, _host.localAddress, _host.externalAddress, _host.uuid, _host.mac, _host.pairState, _host.online);
+        Log(LOG_D, @"Received response from: %@\n{\n\t address:%@ \n\t localAddress:%@ \n\t externalAddress:%@ \n\t uuid:%@ \n\t mac:%@ \n\t pairState:%d \n\t online:%d \n}", _host.name, _host.address, _host.localAddress, _host.externalAddress, _host.uuid, _host.mac, _host.pairState, _host.online);
     }
 }
 
@@ -79,7 +79,7 @@ static const float POLL_RATE = 2.0f; // Poll every 2 seconds
             [response populateHost:_host];
             return YES;
         } else {
-            NSLog(@"Received response from incorrect host: %@ expected: %@", [response getStringTag:TAG_UNIQUE_ID], _host.uuid);
+            Log(LOG_I, @"Received response from incorrect host: %@ expected: %@", [response getStringTag:TAG_UNIQUE_ID], _host.uuid);
         }
     }
     return NO;

Limelight/Network/HttpManager.m

@@ -48,7 +48,7 @@ static const NSString* PORT = @"47984";
 }
 
 - (void) executeRequestSynchronously:(HttpRequest*)request {
-    NSLog(@"Making Request: %@", request);
+    Log(LOG_D, @"Making Request: %@", request);
     [_respData setLength:0];
     dispatch_sync(dispatch_get_main_queue(), ^{
         [NSURLConnection connectionWithRequest:request.request delegate:self];
@@ -154,11 +154,11 @@ static const NSString* PORT = @"47984";
 }
 
 - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
-    NSLog(@"Received response: %@", response);
+    Log(LOG_D, @"Received response: %@", response);
 }
 
 - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
-    NSLog(@"\n\nReceived data: %@\n\n", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
+    Log(LOG_D, @"\n\nReceived data: %@\n\n", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
     [_respData appendData:data];
 }
 
@@ -202,11 +202,11 @@ static const NSString* PORT = @"47984";
     OSStatus securityError = SecPKCS12Import(p12Data, options, &items);
 
     if (securityError == errSecSuccess) {
-        //NSLog(@"Success opening p12 certificate. Items: %ld", CFArrayGetCount(items));
+        //Log(LOG_D, @"Success opening p12 certificate. Items: %ld", CFArrayGetCount(items));
         CFDictionaryRef identityDict = CFArrayGetValueAtIndex(items, 0);
         identityApp = (SecIdentityRef)CFDictionaryGetValue(identityDict, kSecImportItemIdentity);
     } else {
-        NSLog(@"Error opening Certificate.");
+        Log(LOG_E, @"Error opening Certificate.");
     }
     
     CFRelease(options);
@@ -216,7 +216,7 @@ static const NSString* PORT = @"47984";
 }
 
 - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
-    NSLog(@"connection error: %@", error);
+    Log(LOG_W, @"connection error: %@", error);
     dispatch_semaphore_signal(_requestLock);
 }
 

Limelight/Network/HttpResponse.m

@@ -42,13 +42,13 @@
     _elements = [[NSMutableDictionary alloc] init];
     xmlDocPtr docPtr = xmlParseMemory([self.data bytes], (int)[self.data length]);
     if (docPtr == NULL) {
-        NSLog(@"ERROR: An error occured trying to parse xml.");
+        Log(LOG_W, @"An error occured trying to parse xml.");
         return;
     }
     
     xmlNodePtr node = xmlDocGetRootElement(docPtr);
     if (node == NULL) {
-        NSLog(@"ERROR: No root XML element.");
+        Log(LOG_W, @"No root XML element.");
         xmlFreeDoc(docPtr);
         return;
     }

Limelight/Network/MDNSManager.m

@@ -34,13 +34,13 @@ static NSString* NV_SERVICE_TYPE = @"_nvstream._tcp";
 }
 
 - (void) searchForHosts {
-    NSLog(@"Starting mDNS discovery");
+    Log(LOG_I, @"Starting mDNS discovery");
     scanActive = TRUE;
     [mDNSBrowser searchForServicesOfType:NV_SERVICE_TYPE inDomain:@""];
 }
 
 - (void) stopSearching {
-    NSLog(@"Stopping mDNS discovery");
+    Log(LOG_I, @"Stopping mDNS discovery");
     scanActive = FALSE;
     [mDNSBrowser stop];
 }
@@ -60,12 +60,12 @@ static NSString* NV_SERVICE_TYPE = @"_nvstream._tcp";
 }
 
 - (void)netServiceDidResolveAddress:(NSNetService *)service {
-    NSLog(@"Resolved address: %@ -> %@", service, service.hostName);
+    Log(LOG_I, @"Resolved address: %@ -> %@", service, service.hostName);
     [self.callback updateHosts:[self getFoundHosts]];
 }
 
 - (void)netService:(NSNetService *)sender didNotResolve:(NSDictionary *)errorDict {
-    NSLog(@"Did not resolve address for: %@\n%@", sender, [errorDict description]);
+    Log(LOG_W, @"Did not resolve address for: %@\n%@", sender, [errorDict description]);
     
     // Schedule a retry in 2 seconds
     [NSTimer scheduledTimerWithTimeInterval:2.0
@@ -76,7 +76,7 @@ static NSString* NV_SERVICE_TYPE = @"_nvstream._tcp";
 }
 
 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didFindService:(NSNetService *)aNetService moreComing:(BOOL)moreComing {
-    NSLog(@"Found service: %@", aNetService);
+    Log(LOG_I, @"Found service: %@", aNetService);
     [aNetService setDelegate:self];
     [aNetService resolveWithTimeout:5];
     
@@ -85,13 +85,12 @@ static NSString* NV_SERVICE_TYPE = @"_nvstream._tcp";
 }
 
 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didRemoveService:(NSNetService *)aNetService moreComing:(BOOL)moreComing {
-    NSLog(@"Removing service: %@", aNetService);
+    Log(LOG_I, @"Removing service: %@", aNetService);
     [services removeObject:aNetService];
 }
 
 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didNotSearch:(NSDictionary *)errorDict {
-    NSLog(@"Did not perform search");
+    Log(LOG_W, @"Did not perform search: \n%@", [errorDict description]);
-    NSLog(@"%@", [errorDict description]);
     
     // Schedule a retry in 2 seconds
     [NSTimer scheduledTimerWithTimeInterval:2.0
@@ -107,7 +106,7 @@ static NSString* NV_SERVICE_TYPE = @"_nvstream._tcp";
         return;
     }
     
-    NSLog(@"Retrying mDNS search");
+    Log(LOG_I, @"Retrying mDNS search");
     [mDNSBrowser stop];
     [mDNSBrowser searchForServicesOfType:NV_SERVICE_TYPE inDomain:@""];
 }
@@ -118,7 +117,7 @@ static NSString* NV_SERVICE_TYPE = @"_nvstream._tcp";
         return;
     }
     
-    NSLog(@"Retrying mDNS resolution");
+    Log(LOG_I, @"Retrying mDNS resolution");
     for (NSNetService* service in services) {
         if (service.hostName == nil) {
             [service setDelegate:self];

Limelight/Network/PairManager.m

@@ -50,7 +50,7 @@
 - (void) initiatePair {
     NSString* PIN = [self generatePIN];
     NSData* salt = [self saltPIN:PIN];
-    NSLog(@"PIN: %@, saltedPIN: %@", PIN, salt);
+    Log(LOG_I, @"PIN: %@, saltedPIN: %@", PIN, salt);
     [_callback showPIN:PIN];
     
     HttpResponse* pairResp = [[HttpResponse alloc] init];

Limelight/Network/WakeOnLanManager.m

@@ -24,10 +24,10 @@ static const int ports[numPorts] = {7, 9, 47998, 47999, 48000};
     CFSocketRef wolSocket = CFSocketCreate(kCFAllocatorDefault, PF_INET, SOCK_DGRAM, IPPROTO_UDP, 0, NULL, NULL);
     if (!wolSocket) {
         CFRelease(dataPayload);
-        NSLog(@"Failed to create WOL socket");
+        Log(LOG_E, @"Failed to create WOL socket");
         return;
     }
-    NSLog(@"WOL socket created");
+    Log(LOG_I, @"WOL socket created");
     
     struct sockaddr_in addr;
     memset(&addr, 0, sizeof(addr));
@@ -48,7 +48,7 @@ static const int ports[numPorts] = {7, 9, 47998, 47999, 48000};
         // try all ports
         for (int j = 0; j < numPorts; j++) {
             addr.sin_port = htons(ports[j]);
-            NSLog(@"Sending WOL packet");
+            Log(LOG_I, @"Sending WOL packet");
             CFSocketSendData(wolSocket, dataAddress, dataPayload, 0);
         }
         CFRelease(dataAddress);
@@ -76,7 +76,7 @@ static const int ports[numPorts] = {7, 9, 47998, 47999, 48000};
 
 + (NSData*) macStringToBytes:(NSString*)mac {
     NSString* macString = [mac stringByReplacingOccurrencesOfString:@":" withString:@""];
-    NSLog(@"MAC: %@", macString);
+    Log(LOG_D, @"MAC: %@", macString);
     return [Utils hexToBytes:macString];
 }
 

Limelight/Stream/Connection.m

@@ -111,7 +111,7 @@ void ArInit(void)
     status = AudioComponentInstanceNew(AudioComponentFindNext(NULL, &audioDesc), &audioUnit);
     
     if (status) {
-        NSLog(@"Unable to instantiate new AudioComponent: %d", (int32_t)status);
+        Log(LOG_E, @"Unable to instantiate new AudioComponent: %d", (int32_t)status);
     }
     
     AudioStreamBasicDescription audioFormat = {0};
@@ -132,7 +132,7 @@ void ArInit(void)
                                   &audioFormat,
                                   sizeof(audioFormat));
     if (status) {
-        NSLog(@"Unable to set audio unit to input: %d", (int32_t)status);
+        Log(LOG_E, @"Unable to set audio unit to input: %d", (int32_t)status);
     }
     
     AURenderCallbackStruct callbackStruct = {0};
@@ -146,12 +146,12 @@ void ArInit(void)
                                   &callbackStruct,
                                   sizeof(callbackStruct));
     if (status) {
-        NSLog(@"Unable to set audio unit callback: %d", (int32_t)status);
+        Log(LOG_E, @"Unable to set audio unit callback: %d", (int32_t)status);
     }
     
     status = AudioUnitInitialize(audioUnit);
     if (status) {
-        NSLog(@"Unable to initialize audioUnit: %d", (int32_t)status);
+        Log(LOG_E, @"Unable to initialize audioUnit: %d", (int32_t)status);
     }
 }
 
@@ -164,7 +164,7 @@ void ArRelease(void)
     
     OSStatus status = AudioUnitUninitialize(audioUnit);
     if (status) {
-        NSLog(@"Unable to uninitialize audioUnit: %d", (int32_t)status);
+        Log(LOG_E, @"Unable to uninitialize audioUnit: %d", (int32_t)status);
     }
     
     // Audio session is now inactive
@@ -186,7 +186,7 @@ void ArStart(void)
 {
     OSStatus status = AudioOutputUnitStart(audioUnit);
     if (status) {
-        NSLog(@"Unable to start audioUnit: %d", (int32_t)status);
+        Log(LOG_E, @"Unable to start audioUnit: %d", (int32_t)status);
     }
 }
 
@@ -194,7 +194,7 @@ void ArStop(void)
 {
     OSStatus status = AudioOutputUnitStop(audioUnit);
     if (status) {
-        NSLog(@"Unable to stop audioUnit: %d", (int32_t)status);
+        Log(LOG_E, @"Unable to stop audioUnit: %d", (int32_t)status);
     }
 }
 
@@ -214,7 +214,7 @@ void ArDecodeAndPlaySample(char* sampleData, int sampleLength)
             
             [audioLock lock];
             if (audioBufferQueueLength > MAX_QUEUE_ENTRIES) {
-                NSLog(@"Audio player too slow. Dropping all decoded samples!");
+                Log(LOG_W, @"Audio player too slow. Dropping all decoded samples!");
                 
                 // Clear all values from the buffer queue
                 struct AUDIO_BUFFER_QUEUE_ENTRY *entry;

Limelight/Stream/StreamManager.m

@@ -87,7 +87,7 @@
                                                    y:_config.height / screenSize.height];
     
     int majorVersion = [[appversion substringToIndex:1] intValue];
-    NSLog(@"Server is generation %d", majorVersion);
+    Log(LOG_I, @"Server is generation %d", majorVersion);
     
     VideoDecoderRenderer* renderer = [[VideoDecoderRenderer alloc]initWithView:_renderView];
     _connection = [[Connection alloc] initWithConfig:_config renderer:renderer connectionCallbacks:_callbacks serverMajorVersion:majorVersion];
@@ -121,11 +121,11 @@
     NSString *gameSession = [launchResp getStringTag:@"gamesession"];
     if (launchResp == NULL || ![launchResp isStatusOk]) {
         [_callbacks launchFailed:@"Failed to launch app"];
-        NSLog(@"Failed Launch Response: %@", launchResp.statusMessage);
+        Log(LOG_E, @"Failed Launch Response: %@", launchResp.statusMessage);
         return FALSE;
     } else if (gameSession == NULL || [gameSession isEqualToString:@"0"]) {
         [_callbacks launchFailed:launchResp.statusMessage];
-        NSLog(@"Failed to parse game session. Code: %ld Response: %@", (long)launchResp.statusCode, launchResp.statusMessage);
+        Log(LOG_E, @"Failed to parse game session. Code: %ld Response: %@", (long)launchResp.statusCode, launchResp.statusMessage);
         return FALSE;
     }
     
@@ -140,11 +140,11 @@
     NSString* resume = [resumeResp getStringTag:@"resume"];
     if (resumeResp == NULL || ![resumeResp isStatusOk]) {
         [_callbacks launchFailed:@"Failed to resume app"];
-        NSLog(@"Failed Resume Response: %@", resumeResp.statusMessage);
+        Log(LOG_E, @"Failed Resume Response: %@", resumeResp.statusMessage);
         return FALSE;
     } else if (resume == NULL || [resume isEqualToString:@"0"]) {
         [_callbacks launchFailed:resumeResp.statusMessage];
-        NSLog(@"Failed to parse resume response. Code: %ld Response: %@", (long)resumeResp.statusCode, resumeResp.statusMessage);
+        Log(LOG_E, @"Failed to parse resume response. Code: %ld Response: %@", (long)resumeResp.statusCode, resumeResp.statusMessage);
         return FALSE;
     }
     

Limelight/Stream/VideoDecoderRenderer.m

@@ -86,7 +86,7 @@
                                                 kCFAllocatorDefault,
                                                 NULL, 0, nalLength + 1, 0);
         if (status != noErr) {
-            NSLog(@"CMBlockBufferReplaceDataBytes failed: %d", (int)status);
+            Log(LOG_E, @"CMBlockBufferReplaceDataBytes failed: %d", (int)status);
             return;
         }
         
@@ -96,7 +96,7 @@
         status = CMBlockBufferReplaceDataBytes(lengthBytes, existingBuffer,
                                                oldOffset, NAL_LENGTH_PREFIX_SIZE);
         if (status != noErr) {
-            NSLog(@"CMBlockBufferReplaceDataBytes failed: %d", (int)status);
+            Log(LOG_E, @"CMBlockBufferReplaceDataBytes failed: %d", (int)status);
             return;
         }
     } else {
@@ -106,7 +106,7 @@
                                                 kCFAllocatorDefault, NULL, 0,
                                                 NAL_LENGTH_PREFIX_SIZE, 0);
         if (status != noErr) {
-            NSLog(@"CMBlockBufferAppendMemoryBlock failed: %d", (int)status);
+            Log(LOG_E, @"CMBlockBufferAppendMemoryBlock failed: %d", (int)status);
             return;
         }
         
@@ -117,7 +117,7 @@
         status = CMBlockBufferReplaceDataBytes(lengthBytes, existingBuffer,
                                                oldOffset, NAL_LENGTH_PREFIX_SIZE);
         if (status != noErr) {
-            NSLog(@"CMBlockBufferReplaceDataBytes failed: %d", (int)status);
+            Log(LOG_E, @"CMBlockBufferReplaceDataBytes failed: %d", (int)status);
             return;
         }
         
@@ -127,7 +127,7 @@
                                                 kCFAllocatorNull, // Don't deallocate data on free
                                                 NULL, 0, dataLength, 0);
         if (status != noErr) {
-            NSLog(@"CMBlockBufferReplaceDataBytes failed: %d", (int)status);
+            Log(LOG_E, @"CMBlockBufferReplaceDataBytes failed: %d", (int)status);
             return;
         }
     }
@@ -141,7 +141,7 @@
     
     // Check for previous decoder errors before doing anything
     if (displayLayer.status == AVQueuedSampleBufferRenderingStatusFailed) {
-        NSLog(@"Display layer rendering failed: %@", displayLayer.error);
+        Log(LOG_E, @"Display layer rendering failed: %@", displayLayer.error);
         
         // Recreate the display layer
         [self reinitializeDisplayLayer];
@@ -152,14 +152,14 @@
     
     if (nalType == NAL_TYPE_SPS || nalType == NAL_TYPE_PPS) {
         if (nalType == NAL_TYPE_SPS) {
-            NSLog(@"Got SPS");
+            Log(LOG_I, @"Got SPS");
             spsData = [NSData dataWithBytes:&data[FRAME_START_PREFIX_SIZE] length:length - FRAME_START_PREFIX_SIZE];
             waitingForSps = false;
             
             // We got a new SPS so wait for a new PPS to match it
             waitingForPps = true;
         } else if (nalType == NAL_TYPE_PPS) {
-            NSLog(@"Got PPS");
+            Log(LOG_I, @"Got PPS");
             ppsData = [NSData dataWithBytes:&data[FRAME_START_PREFIX_SIZE] length:length - FRAME_START_PREFIX_SIZE];
             waitingForPps = false;
         }
@@ -169,7 +169,7 @@
             const uint8_t* const parameterSetPointers[] = { [spsData bytes], [ppsData bytes] };
             const size_t parameterSetSizes[] = { [spsData length], [ppsData length] };
             
-            NSLog(@"Constructing new format description");
+            Log(LOG_I, @"Constructing new format description");
             status = CMVideoFormatDescriptionCreateFromH264ParameterSets(kCFAllocatorDefault,
                                                                          2, /* count of parameter sets */
                                                                          parameterSetPointers,
@@ -177,7 +177,7 @@
                                                                          NAL_LENGTH_PREFIX_SIZE,
                                                                          &formatDesc);
             if (status != noErr) {
-                NSLog(@"Failed to create format description: %d", (int)status);
+                Log(LOG_E, @"Failed to create format description: %d", (int)status);
                 formatDesc = NULL;
             }
         }
@@ -206,7 +206,7 @@
     
     status = CMBlockBufferCreateEmpty(NULL, 0, 0, &blockBuffer);
     if (status != noErr) {
-        NSLog(@"CMBlockBufferCreateEmpty failed: %d", (int)status);
+        Log(LOG_E, @"CMBlockBufferCreateEmpty failed: %d", (int)status);
         free(data);
         return DR_NEED_IDR;
     }
@@ -241,7 +241,7 @@
                                   NULL, 0, NULL,
                                   &sampleBuffer);
     if (status != noErr) {
-        NSLog(@"CMSampleBufferCreate failed: %d", (int)status);
+        Log(LOG_E, @"CMSampleBufferCreate failed: %d", (int)status);
         CFRelease(blockBuffer);
         return DR_NEED_IDR;
     }

Limelight/Utility/Logger.h

@@ -0,0 +1,28 @@
+//
+//  Logger.h
+//  Limelight
+//
+//  Created by Diego Waxemberg on 2/10/15.
+//  Copyright (c) 2015 Limelight Stream. All rights reserved.
+//
+
+#ifndef Limelight_Logger_h
+#define Limelight_Logger_h
+
+#import <stdarg.h>
+
+typedef enum {
+    LOG_D,
+    LOG_I,
+    LOG_W,
+    LOG_E
+} LogLevel;
+
+#define PRFX_DEBUG @"<DEBUG>"
+#define PRFX_INFO @"<INFO>"
+#define PRFX_WARN @"<WARN>"
+#define PRFX_ERROR @"<ERROR>"
+
+void Log(LogLevel level, NSString* fmt, ...);
+
+#endif

Limelight/Utility/Logger.m

@@ -0,0 +1,35 @@
+//
+//  Logger.m
+//  Limelight
+//
+//  Created by Diego Waxemberg on 2/10/15.
+//  Copyright (c) 2015 Limelight Stream. All rights reserved.
+//
+
+#import "Logger.h"
+
+void Log(LogLevel level, NSString* fmt, ...) {
+    NSString* levelPrefix = @"";
+    
+    switch(level) {
+        case LOG_D:
+            levelPrefix = PRFX_DEBUG;
+            break;
+        case LOG_I:
+            levelPrefix = PRFX_INFO;
+            break;
+        case LOG_W:
+            levelPrefix = PRFX_WARN;
+            break;
+        case LOG_E:
+            levelPrefix = PRFX_ERROR;
+            break;
+        default:
+            break;
+    }
+    NSString* prefixedString = [NSString stringWithFormat:@"%@ %@", levelPrefix, fmt];
+    va_list args;
+    va_start(args, fmt);
+    NSLogv(prefixedString, args);
+    va_end(args);
+}

Limelight/Utility/Utils.m

@@ -56,18 +56,18 @@ NSString *const deviceName = @"roth";
     if (inet_addr([host UTF8String]) != INADDR_NONE) {
         // Already an IP address
         int addr = inet_addr([host UTF8String]);
-        NSLog(@"host address: %d", addr);
+        Log(LOG_I, @"host address: %d", addr);
         return addr;
     } else {
         hostent = gethostbyname([host UTF8String]);
         if (hostent != NULL) {
             char* ipstr = inet_ntoa(*(struct in_addr*)hostent->h_addr_list[0]);
-            NSLog(@"Resolved %@ -> %s", host, ipstr);
+            Log(LOG_I, @"Resolved %@ -> %s", host, ipstr);
             int addr = inet_addr(ipstr);
-            NSLog(@"host address: %d", addr);
+            Log(LOG_I, @"host address: %d", addr);
             return addr;
         } else {
-            NSLog(@"Failed to resolve host: %d", h_errno);
+            Log(LOG_W, @"Failed to resolve host: %d", h_errno);
             return 0;
         }
     }

Limelight/ViewControllers/MainFrameViewController.m

@@ -74,11 +74,11 @@ static NSArray* appList;
         AppListResponse* appListResp = [[AppListResponse alloc] init];
         [hMan executeRequestSynchronously:[HttpRequest requestForResponse:appListResp withUrlRequest:[hMan newAppListRequest]]];
         if (appListResp == nil || ![appListResp isStatusOk]) {
-            NSLog(@"Failed to get applist: %@", appListResp.statusMessage);
+            Log(LOG_W, @"Failed to get applist: %@", appListResp.statusMessage);
         } else {
             appList = [appListResp getAppList];
             if (appList == nil) {
-                NSLog(@"Failed to parse applist");
+                Log(LOG_W, @"Failed to parse applist");
             } else {
                 dispatch_async(dispatch_get_main_queue(), ^{
                     [self updateApps];
@@ -112,21 +112,21 @@ static NSArray* appList;
 }
 
 - (void) hostClicked:(Host *)host {
-    NSLog(@"Clicked host: %@", host.name);
+    Log(LOG_D, @"Clicked host: %@", host.name);
     _selectedHost = host;
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
         HttpManager* hMan = [[HttpManager alloc] initWithHost:host.address uniqueId:_uniqueId deviceName:deviceName cert:_cert];
         ServerInfoResponse* serverInfoResp = [[ServerInfoResponse alloc] init];
         [hMan executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResp withUrlRequest:[hMan newServerInfoRequest]]];
         if (serverInfoResp == nil || ![serverInfoResp isStatusOk]) {
-            NSLog(@"Failed to get server info: %@", serverInfoResp.statusMessage);
+            Log(LOG_W, @"Failed to get server info: %@", serverInfoResp.statusMessage);
         } else {
-            NSLog(@"server info pair status: %@", [serverInfoResp getStringTag:@"PairStatus"]);
+            Log(LOG_D, @"server info pair status: %@", [serverInfoResp getStringTag:@"PairStatus"]);
             if ([[serverInfoResp getStringTag:@"PairStatus"] isEqualToString:@"1"]) {
-                NSLog(@"Already Paired");
+                Log(LOG_I, @"Already Paired");
                 [self alreadyPaired];
             } else {
-                NSLog(@"Trying to pair");
+                Log(LOG_I, @"Trying to pair");
                 // Polling the server while pairing causes the server to screw up
                 [_discMan stopDiscoveryBlocking];
                 PairManager* pMan = [[PairManager alloc] initWithManager:hMan andCert:_cert callback:self];
@@ -137,7 +137,7 @@ static NSArray* appList;
 }
 
 - (void)hostLongClicked:(Host *)host view:(UIView *)view {
-    NSLog(@"Long clicked host: %@", host.name);
+    Log(LOG_D, @"Long clicked host: %@", host.name);
     UIAlertController* longClickAlert = [UIAlertController alertControllerWithTitle:host.name message:@"" preferredStyle:UIAlertControllerStyleActionSheet];
     if (host.online) {
         [longClickAlert addAction:[UIAlertAction actionWithTitle:@"Unpair" style:UIAlertActionStyleDefault handler:^(UIAlertAction* action){
@@ -185,7 +185,7 @@ static NSArray* appList;
 }
 
 - (void) addHostClicked {
-    NSLog(@"Clicked add host");
+    Log(LOG_D, @"Clicked add host");
     UIAlertController* alertController = [UIAlertController alertControllerWithTitle:@"Host Address" message:@"Please enter a hostname or IP address" preferredStyle:UIAlertControllerStyleAlert];
     [alertController addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:nil]];
     [alertController addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:^(UIAlertAction* action){
@@ -215,7 +215,7 @@ static NSArray* appList;
 }
 
 - (void) appClicked:(App *)app {
-    NSLog(@"Clicked app: %@", app.appName);
+    Log(LOG_D, @"Clicked app: %@", app.appName);
     _streamConfig = [[StreamConfiguration alloc] init];
     _streamConfig.host = _selectedHost.address;
     _streamConfig.hostAddr = [Utils resolveHost:_selectedHost.address];
@@ -245,12 +245,12 @@ static NSArray* appList;
                                               message: [app.appId isEqualToString:currentApp.appId] ? @"" : [NSString stringWithFormat:@"%@ is currently running", currentApp.appName]preferredStyle:UIAlertControllerStyleAlert];
         [alertController addAction:[UIAlertAction
                                     actionWithTitle:[app.appId isEqualToString:currentApp.appId] ? @"Resume App" : @"Resume Running App" style:UIAlertActionStyleDefault handler:^(UIAlertAction* action){
-                                        NSLog(@"Resuming application: %@", currentApp.appName);
+                                        Log(LOG_I, @"Resuming application: %@", currentApp.appName);
                                         [self performSegueWithIdentifier:@"createStreamFrame" sender:nil];
                                     }]];
         [alertController addAction:[UIAlertAction actionWithTitle:
                                     [app.appId isEqualToString:currentApp.appId] ? @"Quit App" : @"Quit Running App and Start" style:UIAlertActionStyleDestructive handler:^(UIAlertAction* action){
-                                        NSLog(@"Quitting application: %@", currentApp.appName);
+                                        Log(LOG_I, @"Quitting application: %@", currentApp.appName);
                                         dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
                                             HttpManager* hMan = [[HttpManager alloc] initWithHost:_selectedHost.address uniqueId:_uniqueId deviceName:deviceName cert:_cert];
                                             [hMan executeRequestSynchronously:[HttpRequest requestWithUrlRequest:[hMan newQuitAppRequest]]];
@@ -380,9 +380,9 @@ static NSArray* appList;
 
 - (void) updateAllHosts:(NSArray *)hosts {
     dispatch_async(dispatch_get_main_queue(), ^{
-        NSLog(@"New host list:");
+        Log(LOG_D, @"New host list:");
         for (Host* host in hosts) {
-            NSLog(@"Host: \n{\n\t name:%@ \n\t address:%@ \n\t localAddress:%@ \n\t externalAddress:%@ \n\t uuid:%@ \n\t mac:%@ \n\t pairState:%d \n\t online:%d \n}", host.name, host.address, host.localAddress, host.externalAddress, host.uuid, host.mac, host.pairState, host.online);
+            Log(LOG_D, @"Host: \n{\n\t name:%@ \n\t address:%@ \n\t localAddress:%@ \n\t externalAddress:%@ \n\t uuid:%@ \n\t mac:%@ \n\t pairState:%d \n\t online:%d \n}", host.name, host.address, host.localAddress, host.externalAddress, host.uuid, host.mac, host.pairState, host.online);
         }
         @synchronized(hostList) {
             [hostList removeAllObjects];
@@ -393,7 +393,7 @@ static NSArray* appList;
 }
 
 - (void)updateHosts {
-    NSLog(@"Updating hosts...");
+    Log(LOG_I, @"Updating hosts...");
     [[hostScrollView subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
     UIComputerView* addComp = [[UIComputerView alloc] initForAddWithCallback:self];
     UIComputerView* compView;

Limelight/ViewControllers/SWRevealViewController.m

@@ -1140,7 +1140,7 @@ const int FrontViewPositionNone = 0xff;
     // forbid gesture if the initial translation is not horizontal
     UIView *recognizerView = _panGestureRecognizer.view;
     CGPoint translation = [_panGestureRecognizer translationInView:recognizerView];
-//        NSLog( @"translation:%@", NSStringFromCGPoint(translation) );
+//        Log(LOG_D, @"translation:%@", NSStringFromCGPoint(translation) );
 //    if ( fabs(translation.y/translation.x) > 1 )
 //        return NO;
 
@@ -1252,7 +1252,7 @@ const int FrontViewPositionNone = 0xff;
     
     CGFloat xLocation = frontView.frame.origin.x;
     CGFloat velocity = [recognizer velocityInView:_contentView].x;
-    //NSLog( @"Velocity:%1.4f", velocity);
+    //Log(LOG_D, @"Velocity:%1.4f", velocity);
     
     // depending on position we compute a simetric replacement of widths and positions
     int symetry = xLocation<0 ? -1 : 1;

Limelight/ViewControllers/StreamFrameViewController.m

@@ -59,13 +59,13 @@
 }
 
 - (void)edgeSwiped {
-    NSLog(@"User swiped to end stream");
+    Log(LOG_D, @"User swiped to end stream");
     [_streamMan stopStream];
     [self returnToMainFrame];
 }
 
 - (void) connectionStarted {
-    NSLog(@"Connection started");
+    Log(LOG_I, @"Connection started");
     dispatch_async(dispatch_get_main_queue(), ^{
         [self.spinner stopAnimating];
         [self.stageLabel setText:@"Waiting for first frame..."];
@@ -74,7 +74,7 @@
         UIScreenEdgePanGestureRecognizer* swipeGesture = [[UIScreenEdgePanGestureRecognizer alloc] initWithTarget:self action:@selector(edgeSwiped)];
         swipeGesture.edges = UIRectEdgeLeft;
         if (swipeGesture == nil) {
-            NSLog(@"An error occured trying to create UIScreenEdgePanGestureRecognizer");
+            Log(LOG_E, @"An error occured trying to create UIScreenEdgePanGestureRecognizer");
         } else {
             [self.view addGestureRecognizer:swipeGesture];
         }
@@ -82,7 +82,7 @@
 }
 
 - (void)connectionTerminated:(long)errorCode {
-    NSLog(@"Connection terminated: %ld", errorCode);
+    Log(LOG_I, @"Connection terminated: %ld", errorCode);
     
     dispatch_async(dispatch_get_main_queue(), ^{
         UIAlertController* conTermAlert = [UIAlertController alertControllerWithTitle:@"Connection Terminated" message:@"The connection was terminated" preferredStyle:UIAlertControllerStyleAlert];
@@ -96,7 +96,7 @@
 }
 
 - (void) stageStarting:(char*)stageName {
-    NSLog(@"Starting %s", stageName);
+    Log(LOG_I, @"Starting %s", stageName);
     dispatch_async(dispatch_get_main_queue(), ^{
         NSString* lowerCase = [NSString stringWithFormat:@"%s in progress...", stageName];
         NSString* titleCase = [[[lowerCase substringToIndex:1] uppercaseString] stringByAppendingString:[lowerCase substringFromIndex:1]];
@@ -131,11 +131,11 @@
 }
 
 - (void) displayMessage:(char*)message {
-    NSLog(@"Display message: %s", message);
+    Log(LOG_I, @"Display message: %s", message);
 }
 
 - (void) displayTransientMessage:(char*)message {
-    NSLog(@"Display transient message: %s", message);
+    Log(LOG_I, @"Display transient message: %s", message);
 }
 
 - (void)didReceiveMemoryWarning