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/*
* Copyright 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#import "RTCDispatcher+Private.h"
static dispatch_queue_t kAudioSessionQueue = nil;
static dispatch_queue_t kCaptureSessionQueue = nil;
static dispatch_queue_t kNetworkMonitorQueue = nil;
@implementation RTC_OBJC_TYPE (RTCDispatcher)
+ (void)initialize {
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
kAudioSessionQueue = dispatch_queue_create(
"org.webrtc.RTCDispatcherAudioSession",
DISPATCH_QUEUE_SERIAL);
kCaptureSessionQueue = dispatch_queue_create(
"org.webrtc.RTCDispatcherCaptureSession",
DISPATCH_QUEUE_SERIAL);
kNetworkMonitorQueue =
dispatch_queue_create("org.webrtc.RTCDispatcherNetworkMonitor", DISPATCH_QUEUE_SERIAL);
});
}
+ (void)dispatchAsyncOnType:(RTCDispatcherQueueType)dispatchType
block:(dispatch_block_t)block {
dispatch_queue_t queue = [self dispatchQueueForType:dispatchType];
dispatch_async(queue, block);
}
+ (BOOL)isOnQueueForType:(RTCDispatcherQueueType)dispatchType {
dispatch_queue_t targetQueue = [self dispatchQueueForType:dispatchType];
const char* targetLabel = dispatch_queue_get_label(targetQueue);
const char* currentLabel = dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL);
NSAssert(strlen(targetLabel) > 0, @"Label is required for the target queue.");
NSAssert(strlen(currentLabel) > 0, @"Label is required for the current queue.");
return strcmp(targetLabel, currentLabel) == 0;
}
#pragma mark - Private
+ (dispatch_queue_t)dispatchQueueForType:(RTCDispatcherQueueType)dispatchType {
switch (dispatchType) {
case RTCDispatcherTypeMain:
return dispatch_get_main_queue();
case RTCDispatcherTypeCaptureSession:
return kCaptureSessionQueue;
case RTCDispatcherTypeAudioSession:
return kAudioSessionQueue;
case RTCDispatcherTypeNetworkMonitor:
return kNetworkMonitorQueue;
}
}
@end
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