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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 "ARDSignalingMessage.h" | |
| 29 | |
| 30 #import "ARDLogging.h" | |
| 31 #import "ARDUtilities.h" | |
| 32 #import "RTCICECandidate+JSON.h" | |
| 33 #import "RTCSessionDescription+JSON.h" | |
| 34 | |
| 35 static NSString const *kARDSignalingMessageTypeKey = @"type"; | |
| 36 | |
| 37 @implementation ARDSignalingMessage | |
| 38 | |
| 39 @synthesize type = _type; | |
| 40 | |
| 41 - (instancetype)initWithType:(ARDSignalingMessageType)type { | |
| 42 if (self = [super init]) { | |
| 43 _type = type; | |
| 44 } | |
| 45 return self; | |
| 46 } | |
| 47 | |
| 48 - (NSString *)description { | |
| 49 return [[NSString alloc] initWithData:[self JSONData] | |
| 50 encoding:NSUTF8StringEncoding]; | |
| 51 } | |
| 52 | |
| 53 + (ARDSignalingMessage *)messageFromJSONString:(NSString *)jsonString { | |
| 54 NSDictionary *values = [NSDictionary dictionaryWithJSONString:jsonString]; | |
| 55 if (!values) { | |
| 56 ARDLog(@"Error parsing signaling message JSON."); | |
| 57 return nil; | |
| 58 } | |
| 59 | |
| 60 NSString *typeString = values[kARDSignalingMessageTypeKey]; | |
| 61 ARDSignalingMessage *message = nil; | |
| 62 if ([typeString isEqualToString:@"candidate"]) { | |
| 63 RTCICECandidate *candidate = | |
| 64 [RTCICECandidate candidateFromJSONDictionary:values]; | |
| 65 message = [[ARDICECandidateMessage alloc] initWithCandidate:candidate]; | |
| 66 } else if ([typeString isEqualToString:@"offer"] || | |
| 67 [typeString isEqualToString:@"answer"]) { | |
| 68 RTCSessionDescription *description = | |
| 69 [RTCSessionDescription descriptionFromJSONDictionary:values]; | |
| 70 message = | |
| 71 [[ARDSessionDescriptionMessage alloc] initWithDescription:description]; | |
| 72 } else if ([typeString isEqualToString:@"bye"]) { | |
| 73 message = [[ARDByeMessage alloc] init]; | |
| 74 } else { | |
| 75 ARDLog(@"Unexpected type: %@", typeString); | |
| 76 } | |
| 77 return message; | |
| 78 } | |
| 79 | |
| 80 - (NSData *)JSONData { | |
| 81 return nil; | |
| 82 } | |
| 83 | |
| 84 @end | |
| 85 | |
| 86 @implementation ARDICECandidateMessage | |
| 87 | |
| 88 @synthesize candidate = _candidate; | |
| 89 | |
| 90 - (instancetype)initWithCandidate:(RTCICECandidate *)candidate { | |
| 91 if (self = [super initWithType:kARDSignalingMessageTypeCandidate]) { | |
| 92 _candidate = candidate; | |
| 93 } | |
| 94 return self; | |
| 95 } | |
| 96 | |
| 97 - (NSData *)JSONData { | |
| 98 return [_candidate JSONData]; | |
| 99 } | |
| 100 | |
| 101 @end | |
| 102 | |
| 103 @implementation ARDSessionDescriptionMessage | |
| 104 | |
| 105 @synthesize sessionDescription = _sessionDescription; | |
| 106 | |
| 107 - (instancetype)initWithDescription:(RTCSessionDescription *)description { | |
| 108 ARDSignalingMessageType type = kARDSignalingMessageTypeOffer; | |
| 109 NSString *typeString = description.type; | |
| 110 if ([typeString isEqualToString:@"offer"]) { | |
| 111 type = kARDSignalingMessageTypeOffer; | |
| 112 } else if ([typeString isEqualToString:@"answer"]) { | |
| 113 type = kARDSignalingMessageTypeAnswer; | |
| 114 } else { | |
| 115 NSAssert(NO, @"Unexpected type: %@", typeString); | |
| 116 } | |
| 117 if (self = [super initWithType:type]) { | |
| 118 _sessionDescription = description; | |
| 119 } | |
| 120 return self; | |
| 121 } | |
| 122 | |
| 123 - (NSData *)JSONData { | |
| 124 return [_sessionDescription JSONData]; | |
| 125 } | |
| 126 | |
| 127 @end | |
| 128 | |
| 129 @implementation ARDByeMessage | |
| 130 | |
| 131 - (instancetype)init { | |
| 132 return [super initWithType:kARDSignalingMessageTypeBye]; | |
| 133 } | |
| 134 | |
| 135 - (NSData *)JSONData { | |
| 136 NSDictionary *message = @{ | |
| 137 @"type": @"bye" | |
| 138 }; | |
| 139 return [NSJSONSerialization dataWithJSONObject:message | |
| 140 options:NSJSONWritingPrettyPrinted | |
| 141 error:NULL]; | |
| 142 } | |
| 143 | |
| 144 @end | |
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Chromium Code Reviews
Issue 1235563006:
Move talk/examples/* to webrtc/examples. (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master