Adding API for "presume writable when fully relayed" ICE option.

webrtc/sdk/objc/Framework/Classes/RTCConfiguration.mm

 /*
  *  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.
  */
 
@@ skipping 15 matching lines @@
 @synthesize rtcpMuxPolicy = _rtcpMuxPolicy;
 @synthesize tcpCandidatePolicy = _tcpCandidatePolicy;
 @synthesize candidateNetworkPolicy = _candidateNetworkPolicy;
 @synthesize continualGatheringPolicy = _continualGatheringPolicy;
 @synthesize audioJitterBufferMaxPackets = _audioJitterBufferMaxPackets;
 @synthesize iceConnectionReceivingTimeout = _iceConnectionReceivingTimeout;
 @synthesize iceBackupCandidatePairPingInterval =
     _iceBackupCandidatePairPingInterval;
 @synthesize keyType = _keyType;
 @synthesize iceCandidatePoolSize = _iceCandidatePoolSize;
+@synthesize presumeWritableWhenFullyRelayed = _presumeWritableWhenFullyRelayed;
 
 - (instancetype)init {
   if (self = [super init]) {
     _iceServers = [NSMutableArray array];
     // Copy defaults.
     webrtc::PeerConnectionInterface::RTCConfiguration config;
     _iceTransportPolicy =
         [[self class] transportPolicyForTransportsType:config.type];
     _bundlePolicy =
         [[self class] bundlePolicyForNativePolicy:config.bundle_policy];
     _rtcpMuxPolicy =
         [[self class] rtcpMuxPolicyForNativePolicy:config.rtcp_mux_policy];
     _tcpCandidatePolicy = [[self class] tcpCandidatePolicyForNativePolicy:
         config.tcp_candidate_policy];
     _candidateNetworkPolicy = [[self class]
         candidateNetworkPolicyForNativePolicy:config.candidate_network_policy];
     webrtc::PeerConnectionInterface::ContinualGatheringPolicy nativePolicy =
         config.continual_gathering_policy;
     _continualGatheringPolicy =
         [[self class] continualGatheringPolicyForNativePolicy:nativePolicy];
     _audioJitterBufferMaxPackets = config.audio_jitter_buffer_max_packets;
     _iceConnectionReceivingTimeout = config.ice_connection_receiving_timeout;
     _iceBackupCandidatePairPingInterval =
         config.ice_backup_candidate_pair_ping_interval;
     _keyType = RTCEncryptionKeyTypeECDSA;
     _iceCandidatePoolSize = config.ice_candidate_pool_size;
+    _presumeWritableWhenFullyRelayed =
+        config.presume_writable_when_fully_relayed;
   }
   return self;
 }
 
 - (NSString *)description {
   return [NSString stringWithFormat:
-      @"RTCConfiguration: {\n%@\n%@\n%@\n%@\n%@\n%@\n%@\n%d\n%d\n%d\n%d\n}\n",
+      @"RTCConfiguration: {\n%@\n%@\n%@\n%@\n%@\n%@\n%@\n%d\n%d\n%d\n%d\n%d\n}\n",
       _iceServers,
       [[self class] stringForTransportPolicy:_iceTransportPolicy],
       [[self class] stringForBundlePolicy:_bundlePolicy],
       [[self class] stringForRtcpMuxPolicy:_rtcpMuxPolicy],
       [[self class] stringForTcpCandidatePolicy:_tcpCandidatePolicy],
       [[self class] stringForCandidateNetworkPolicy:_candidateNetworkPolicy],
       [[self class]
           stringForContinualGatheringPolicy:_continualGatheringPolicy],
       _audioJitterBufferMaxPackets,
       _iceConnectionReceivingTimeout,
       _iceBackupCandidatePairPingInterval,
-      _iceCandidatePoolSize];
+      _iceCandidatePoolSize,
+      _presumeWritableWhenFullyRelayed];
 }
 
 #pragma mark - Private
 
 - (webrtc::PeerConnectionInterface::RTCConfiguration *)
     createNativeConfiguration {
   std::unique_ptr<webrtc::PeerConnectionInterface::RTCConfiguration>
       nativeConfig(new webrtc::PeerConnectionInterface::RTCConfiguration());
 
   for (RTCIceServer *iceServer in _iceServers) {
@@ skipping 23 matching lines @@
     rtc::scoped_refptr<rtc::RTCCertificate> certificate =
         rtc::RTCCertificateGenerator::GenerateCertificate(
             rtc::KeyParams(keyType), rtc::Optional<uint64_t>());
     if (!certificate) {
       RTCLogError(@"Failed to generate certificate.");
       return nullptr;
     }
     nativeConfig->certificates.push_back(certificate);
   }
   nativeConfig->ice_candidate_pool_size = _iceCandidatePoolSize;
+  nativeConfig->presume_writable_when_fully_relayed =
+      _presumeWritableWhenFullyRelayed;
 
   return nativeConfig.release();
 }
 
 + (webrtc::PeerConnectionInterface::IceTransportsType)
     nativeTransportsTypeForTransportPolicy:(RTCIceTransportPolicy)policy {
   switch (policy) {
     case RTCIceTransportPolicyNone:
       return webrtc::PeerConnectionInterface::kNone;
     case RTCIceTransportPolicyRelay:
@@ skipping 190 matching lines @@
     (RTCEncryptionKeyType)keyType {
   switch (keyType) {
     case RTCEncryptionKeyTypeRSA:
       return rtc::KT_RSA;
     case RTCEncryptionKeyTypeECDSA:
       return rtc::KT_ECDSA;
   }
 }
 
 @end