|  | /* | 
|  | *  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 <Foundation/Foundation.h> | 
|  |  | 
|  | NS_ASSUME_NONNULL_BEGIN | 
|  |  | 
|  | @interface RTCDataChannelConfiguration : NSObject | 
|  |  | 
|  | /** Set to YES if ordered delivery is required. */ | 
|  | @property(nonatomic, assign) BOOL isOrdered; | 
|  |  | 
|  | /** | 
|  | * Max period in milliseconds in which retransmissions will be sent. After this | 
|  | * time, no more retransmissions will be sent. -1 if unset. | 
|  | */ | 
|  | @property(nonatomic, assign) int maxPacketLifeTime; | 
|  |  | 
|  | /** The max number of retransmissions. -1 if unset. */ | 
|  | @property(nonatomic, assign) int maxRetransmits; | 
|  |  | 
|  | /** Set to YES if the channel has been externally negotiated and we do not send | 
|  | * an in-band signalling in the form of an "open" message. | 
|  | */ | 
|  | @property(nonatomic, assign) BOOL isNegotiated; | 
|  |  | 
|  | /** The stream id, or SID, for SCTP data channels. -1 if unset. */ | 
|  | @property(nonatomic, assign) int streamId; | 
|  |  | 
|  | /** Set by the application and opaque to the WebRTC implementation. */ | 
|  | @property(nonatomic) NSString *protocol; | 
|  |  | 
|  | @end | 
|  |  | 
|  | NS_ASSUME_NONNULL_END |