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1 /* | |
2 * libjingle | |
3 * Copyright 2014 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright notice, | |
9 * this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation | |
12 * and/or other materials provided with the distribution. | |
13 * 3. The name of the author may not be used to endorse or promote products | |
14 * derived from this software without specific prior written permission. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 */ | |
27 | |
28 #import <Foundation/Foundation.h> | |
29 | |
30 // ObjectiveC wrapper for a DataChannelInit object. | |
31 @interface RTCDataChannelInit : NSObject | |
32 | |
33 // Set to YES if ordered delivery is required | |
34 @property(nonatomic) BOOL isOrdered; | |
35 // Max period in milliseconds in which retransmissions will be sent. After this | |
36 // time, no more retransmissions will be sent. -1 if unset. | |
37 @property(nonatomic) NSInteger maxRetransmitTimeMs; | |
38 // The max number of retransmissions. -1 if unset. | |
39 @property(nonatomic) NSInteger maxRetransmits; | |
40 // Set to YES if the channel has been externally negotiated and we do not send | |
41 // an in-band signalling in the form of an "open" message | |
42 @property(nonatomic) BOOL isNegotiated; | |
43 // The stream id, or SID, for SCTP data channels. -1 if unset. | |
44 @property(nonatomic) NSInteger streamId; | |
45 // Set by the application and opaque to the WebRTC implementation. | |
46 @property(nonatomic) NSString* protocol; | |
47 | |
48 @end | |
49 | |
50 // ObjectiveC wrapper for a DataBuffer object. | |
51 @interface RTCDataBuffer : NSObject | |
52 | |
53 @property(nonatomic, readonly) NSData* data; | |
54 @property(nonatomic, readonly) BOOL isBinary; | |
55 | |
56 - (instancetype)initWithData:(NSData*)data isBinary:(BOOL)isBinary; | |
57 | |
58 #ifndef DOXYGEN_SHOULD_SKIP_THIS | |
59 // Disallow init and don't add to documentation | |
60 - (id)init __attribute__(( | |
61 unavailable("init is not a supported initializer for this class."))); | |
62 #endif /* DOXYGEN_SHOULD_SKIP_THIS */ | |
63 | |
64 @end | |
65 | |
66 // Keep in sync with webrtc::DataChannelInterface::DataState | |
67 typedef enum { | |
68 kRTCDataChannelStateConnecting, | |
69 kRTCDataChannelStateOpen, | |
70 kRTCDataChannelStateClosing, | |
71 kRTCDataChannelStateClosed | |
72 } RTCDataChannelState; | |
73 | |
74 @class RTCDataChannel; | |
75 // Protocol for receving data channel state and message events. | |
76 @protocol RTCDataChannelDelegate<NSObject> | |
77 | |
78 // Called when the data channel state has changed. | |
79 - (void)channelDidChangeState:(RTCDataChannel*)channel; | |
80 | |
81 // Called when a data buffer was successfully received. | |
82 - (void)channel:(RTCDataChannel*)channel | |
83 didReceiveMessageWithBuffer:(RTCDataBuffer*)buffer; | |
84 | |
85 @optional | |
86 | |
87 // Called when the buffered amount has changed. | |
88 - (void)channel:(RTCDataChannel*)channel | |
89 didChangeBufferedAmount:(NSUInteger)amount; | |
90 | |
91 @end | |
92 | |
93 // ObjectiveC wrapper for a DataChannel object. | |
94 // See talk/app/webrtc/datachannelinterface.h | |
95 @interface RTCDataChannel : NSObject | |
96 | |
97 @property(nonatomic, readonly) NSString* label; | |
98 @property(nonatomic, readonly) BOOL isReliable; | |
99 @property(nonatomic, readonly) BOOL isOrdered; | |
100 @property(nonatomic, readonly) NSUInteger maxRetransmitTime; | |
101 @property(nonatomic, readonly) NSUInteger maxRetransmits; | |
102 @property(nonatomic, readonly) NSString* protocol; | |
103 @property(nonatomic, readonly) BOOL isNegotiated; | |
104 @property(nonatomic, readonly) NSInteger streamId; | |
105 @property(nonatomic, readonly) RTCDataChannelState state; | |
106 @property(nonatomic, readonly) NSUInteger bufferedAmount; | |
107 @property(nonatomic, weak) id<RTCDataChannelDelegate> delegate; | |
108 | |
109 - (void)close; | |
110 - (BOOL)sendData:(RTCDataBuffer*)data; | |
111 | |
112 #ifndef DOXYGEN_SHOULD_SKIP_THIS | |
113 // Disallow init and don't add to documentation | |
114 - (id)init __attribute__(( | |
115 unavailable("init is not a supported initializer for this class."))); | |
116 #endif /* DOXYGEN_SHOULD_SKIP_THIS */ | |
117 | |
118 @end | |
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