|  | /* | 
|  | *  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 "RTCPeerConnection+Private.h" | 
|  |  | 
|  | #import "NSString+StdString.h" | 
|  | #import "RTCDataChannel+Private.h" | 
|  | #import "RTCDataChannelConfiguration+Private.h" | 
|  |  | 
|  | @implementation RTCPeerConnection (DataChannel) | 
|  |  | 
|  | - (RTCDataChannel *)dataChannelForLabel:(NSString *)label | 
|  | configuration: | 
|  | (RTCDataChannelConfiguration *)configuration { | 
|  | std::string labelString = [NSString stdStringForString:label]; | 
|  | const webrtc::DataChannelInit nativeInit = | 
|  | configuration.nativeDataChannelInit; | 
|  | rtc::scoped_refptr<webrtc::DataChannelInterface> dataChannel = | 
|  | self.nativePeerConnection->CreateDataChannel(labelString, | 
|  | &nativeInit); | 
|  | return [[RTCDataChannel alloc] initWithNativeDataChannel:dataChannel]; | 
|  | } | 
|  |  | 
|  | @end |