133 lines
3.9 KiB
Objective-C
133 lines
3.9 KiB
Objective-C
/*
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* Copyright 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import <AvailabilityMacros.h>
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#import <Foundation/Foundation.h>
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#import "RTCMacros.h"
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NS_ASSUME_NONNULL_BEGIN
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RTC_OBJC_EXPORT
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@interface RTC_OBJC_TYPE (RTCDataBuffer) : NSObject
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/** NSData representation of the underlying buffer. */
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@property(nonatomic, readonly) NSData *data;
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/** Indicates whether |data| contains UTF-8 or binary data. */
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@property(nonatomic, readonly) BOOL isBinary;
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- (instancetype)init NS_UNAVAILABLE;
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/**
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* Initialize an RTCDataBuffer from NSData. |isBinary| indicates whether |data|
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* contains UTF-8 or binary data.
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*/
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- (instancetype)initWithData:(NSData *)data isBinary:(BOOL)isBinary;
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@end
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@class RTC_OBJC_TYPE(RTCDataChannel);
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RTC_OBJC_EXPORT
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@protocol RTC_OBJC_TYPE
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(RTCDataChannelDelegate)<NSObject>
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/** The data channel state changed. */
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- (void)dataChannelDidChangeState : (RTC_OBJC_TYPE(RTCDataChannel) *)dataChannel;
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/** The data channel successfully received a data buffer. */
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- (void)dataChannel:(RTC_OBJC_TYPE(RTCDataChannel) *)dataChannel
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didReceiveMessageWithBuffer:(RTC_OBJC_TYPE(RTCDataBuffer) *)buffer;
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@optional
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/** The data channel's |bufferedAmount| changed. */
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- (void)dataChannel:(RTC_OBJC_TYPE(RTCDataChannel) *)dataChannel
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didChangeBufferedAmount:(uint64_t)amount;
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@end
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/** Represents the state of the data channel. */
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typedef NS_ENUM(NSInteger, RTCDataChannelState) {
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RTCDataChannelStateConnecting,
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RTCDataChannelStateOpen,
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RTCDataChannelStateClosing,
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RTCDataChannelStateClosed,
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};
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RTC_OBJC_EXPORT
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@interface RTC_OBJC_TYPE (RTCDataChannel) : NSObject
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/**
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* A label that can be used to distinguish this data channel from other data
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* channel objects.
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*/
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@property(nonatomic, readonly) NSString *label;
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/** Whether the data channel can send messages in unreliable mode. */
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@property(nonatomic, readonly) BOOL isReliable DEPRECATED_ATTRIBUTE;
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/** Returns whether this data channel is ordered or not. */
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@property(nonatomic, readonly) BOOL isOrdered;
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/** Deprecated. Use maxPacketLifeTime. */
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@property(nonatomic, readonly) NSUInteger maxRetransmitTime DEPRECATED_ATTRIBUTE;
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/**
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* The length of the time window (in milliseconds) during which transmissions
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* and retransmissions may occur in unreliable mode.
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*/
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@property(nonatomic, readonly) uint16_t maxPacketLifeTime;
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/**
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* The maximum number of retransmissions that are attempted in unreliable mode.
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*/
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@property(nonatomic, readonly) uint16_t maxRetransmits;
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/**
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* The name of the sub-protocol used with this data channel, if any. Otherwise
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* this returns an empty string.
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*/
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@property(nonatomic, readonly) NSString *protocol;
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/**
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* Returns whether this data channel was negotiated by the application or not.
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*/
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@property(nonatomic, readonly) BOOL isNegotiated;
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/** Deprecated. Use channelId. */
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@property(nonatomic, readonly) NSInteger streamId DEPRECATED_ATTRIBUTE;
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/** The identifier for this data channel. */
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@property(nonatomic, readonly) int channelId;
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/** The state of the data channel. */
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@property(nonatomic, readonly) RTCDataChannelState readyState;
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/**
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* The number of bytes of application data that have been queued using
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* |sendData:| but that have not yet been transmitted to the network.
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*/
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@property(nonatomic, readonly) uint64_t bufferedAmount;
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/** The delegate for this data channel. */
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@property(nonatomic, weak) id<RTC_OBJC_TYPE(RTCDataChannelDelegate)> delegate;
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- (instancetype)init NS_UNAVAILABLE;
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/** Closes the data channel. */
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- (void)close;
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/** Attempt to send |data| on this data channel's underlying data transport. */
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- (BOOL)sendData:(RTC_OBJC_TYPE(RTCDataBuffer) *)data;
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@end
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NS_ASSUME_NONNULL_END
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