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      1 /*
      2  * libjingle
      3  * Copyright 2013, 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 #if !defined(__has_feature) || !__has_feature(objc_arc)
     29 #error "This file requires ARC support."
     30 #endif
     31 
     32 #import "RTCICECandidate+Internal.h"
     33 
     34 @implementation RTCICECandidate
     35 
     36 @synthesize sdpMid = _sdpMid;
     37 @synthesize sdpMLineIndex = _sdpMLineIndex;
     38 @synthesize sdp = _sdp;
     39 
     40 - (id)initWithMid:(NSString*)sdpMid
     41             index:(NSInteger)sdpMLineIndex
     42               sdp:(NSString*)sdp {
     43   if (!sdpMid || !sdp) {
     44     NSAssert(NO, @"nil arguments not allowed");
     45     return nil;
     46   }
     47   if ((self = [super init])) {
     48     _sdpMid = [sdpMid copy];
     49     _sdpMLineIndex = sdpMLineIndex;
     50     _sdp = [sdp copy];
     51   }
     52   return self;
     53 }
     54 
     55 - (NSString*)description {
     56   return [NSString stringWithFormat:@"%@:%ld:%@",
     57                                     self.sdpMid,
     58                                     (long)self.sdpMLineIndex,
     59                                     self.sdp];
     60 }
     61 
     62 @end
     63 
     64 @implementation RTCICECandidate (Internal)
     65 
     66 - (id)initWithCandidate:(const webrtc::IceCandidateInterface*)candidate {
     67   if ((self = [super init])) {
     68     std::string sdp;
     69     if (candidate->ToString(&sdp)) {
     70       _sdpMid = @(candidate->sdp_mid().c_str());
     71       _sdpMLineIndex = candidate->sdp_mline_index();
     72       _sdp = @(sdp.c_str());
     73     } else {
     74       self = nil;
     75       NSAssert(NO, @"ICECandidateInterface->ToString failed");
     76     }
     77   }
     78   return self;
     79 }
     80 
     81 - (const webrtc::IceCandidateInterface*)candidate {
     82   return webrtc::CreateIceCandidate(
     83       [self.sdpMid UTF8String], self.sdpMLineIndex, [self.sdp UTF8String]);
     84 }
     85 
     86 @end
     87