Batch updates, and fixing bug where daemon would crash when accessing IMCore stuff from different threads

kordophone/Bridge/Operations/MBIMBridgeOperation.m

@@ -32,6 +32,17 @@
     return operationClassMapping;
 }
 
++ (dispatch_queue_t)sharedIMAccessQueue
+{
+    static dispatch_once_t onceToken;
+    static dispatch_queue_t accessQueue = nil;
+    dispatch_once(&onceToken, ^{
+        accessQueue = dispatch_queue_create("IMAccessQueue", DISPATCH_QUEUE_SERIAL);
+    });
+    
+    return accessQueue;
+}
+
 + (void)load
 {
     if ([self class] != [MBIMBridgeOperation class]) {
@@ -61,4 +72,20 @@
     return [[HTTPErrorResponse alloc] initWithErrorCode:500];
 }
 
+- (NSString *)valueForQueryItemWithName:(NSString *)queryItemName
+{
+    NSURLComponents *urlComponents = [NSURLComponents componentsWithURL:self.requestURL
+                                                resolvingAgainstBaseURL:NO];
+    
+    NSString *value = nil;
+    for (NSURLQueryItem *queryItem in [urlComponents queryItems]) {
+        if ([[queryItem name] isEqualToString:queryItemName]) {
+            value = [queryItem value];
+            break;
+        }
+    }
+    
+    return value;
+}
+
 @end