RTCDataChannelNative constructor
Implementation
RTCDataChannelNative(
this._peerConnectionId, this._label, this._dataChannelId) {
stateChangeStream = _stateChangeController.stream;
messageStream = _messageController.stream;
_eventSubscription = _eventChannelFor(_peerConnectionId, _dataChannelId)
.receiveBroadcastStream()
.listen(eventListener, onError: errorListener);
}