我正在使用 ISBX/apprtc-ios视频聊天实现代码。这在 iPhone 和模拟器中完美运行。我想在两个对等点之间发送文本/字符串数据,我正在使用 RTCDataChannel
类。
以下是我的实现,但我无法建立连接。它总是给出状态 kRTCDataChannelStateConnecting
我怎样才能连接 RTCDataChannel?是否有适用于 iOS 的 WebRTC RTCDataChannel 的可用实现?
- (void)createNewDataChannel {
if (self.clientDataChannel) {
switch(self.clientDataChannel.state) {
case kRTCDataChannelStateConnecting:
NSLog(@"kRTCDataChannelStateConnecting");
break;
case kRTCDataChannelStateOpen:
NSLog(@"kRTCDataChannelStateOpen");
break;
case kRTCDataChannelStateClosing:
NSLog(@"kRTCDataChannelStateClosing");
break;
case kRTCDataChannelStateClosed:
NSLog(@"kRTCDataChannelStateClosed");
break;
default:
NSLog(@"Unknown");
}
return;
}
if (self.peerConnection == nil) {
NSLog(@"Peerconnection is nil");
}
RTCDataChannelInit *DataChannelInit = [[RTCDataChannelInit alloc] init];
DataChannelInit.maxRetransmits = 0;
DataChannelInit.isOrdered=false;
DataChannelInit.maxRetransmitTimeMs = -1;
DataChannelInit.isNegotiated = false;
DataChannelInit.streamId = 25;
RTCDataChannel *dataChannel =[_peerConnection createDataChannelWithLabel:@"commands" config:DataChannelInit];
dataChannel.delegate=self;
self.clientDataChannel = dataChannel;
if (self.clientDataChannel == nil) {
NSLog(@"Datachannel is nil");
}
else {
NSLog(@"Datachannel is working");
}
}
最佳答案
我能够通过 RTCDataChannel 发送数据。我所做的是在发送报价之前。我使用以下配置创建了 RTCDataChannelInit。
RTCDataChannelInit *datainit = [[RTCDataChannelInit alloc] init];
datainit.isNegotiated = YES;
datainit.isOrdered = YES;
datainit.maxRetransmits = 30;
datainit.maxRetransmitTimeMs = 30000;
datainit.streamId = 1;
self.dataChannel = [_peerConnection createDataChannelWithLabel:@"commands" config:datainit];
self.dataChannel.delegate=self;
两个设备都连接后,我检查了委托(delegate)函数中的状态。 channel 的状态是打开的。
- (void)channelDidChangeState:(RTCDataChannel*)channel
{
NSLog(@"channel.state %u",channel.state);
}
然后我按照下面的代码发送数据:
RTCDataBuffer *buffer = [[RTCDataBuffer alloc] initWithData:[str dataUsingEncoding:NSUTF8StringEncoding] isBinary:NO];
BOOL x = [self.dataChannel sendData:buffer];
这里给出了我使用的配置: https://groups.google.com/forum/#!searchin/discuss-webrtc/RTCDataChannel/discuss-webrtc/9NObqxnItCg/mRvXBIwkA7wJ
关于ios - WebRTC的RTCDataChannel在iOS中的实现,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37850376/