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Re: [tor-bugs] #5578 [Flashproxy]: Investigate WebRTC for flash proxy NAT punching



#5578: Investigate WebRTC for flash proxy NAT punching
----------------------------+-----------------
     Reporter:  dcf         |      Owner:  dcf
         Type:  task        |     Status:  new
     Priority:  normal      |  Milestone:
    Component:  Flashproxy  |    Version:
   Resolution:              |   Keywords:
Actual Points:              |  Parent ID:
       Points:              |
----------------------------+-----------------

Comment (by cjb):

 dcf, you were super close -- here are the only changes needed on top of
 those you already made:

 {{{
 --- webrtc_cmd_dcf.cc   2014-11-15 21:58:44.300202059 -0500
 +++ webrtc_cmd.cc       2014-11-15 21:59:02.703906098 -0500
 @@ -166,7 +166,6 @@
    servers_.push_back(server_);
    constraints_.SetMandatoryReceiveAudio(false);
    constraints_.SetMandatoryReceiveVideo(false);
 -
 constraints_.AddOptional(webrtc::MediaConstraintsInterface::kEnableDtlsSrtp,
 webrtc::MediaConstraintsInterface::kValueTrue);
  }

  bool WebRtcConnectionManager::InitConnection() {
 @@ -176,7 +175,7 @@
                                                              NULL);
    stream_ =
 peer_connection_factory_->CreateLocalMediaStream(kStreamLabel);
    stream_->AddTrack(audio_track_);
 -  peer_connection_->AddStream(stream_, &constraints);
 +  peer_connection_->AddStream(stream_);
    data_channel_ = peer_connection_->CreateDataChannel("test1", NULL);
    data_channel_->RegisterObserver(new
 ChatDataChannelObserver(data_channel_));
    return true;
 }}}

 Also needed to add more requirements to the build script, which I copied
 from those for peerconnection_client:

 {{{
 --- libjingle_examples_cjb.gyp  2014-11-15 22:01:55.617125522 -0500
 +++ libjingle_examples.gyp      2014-11-15 22:02:08.768914041 -0500
 @@ -100,6 +100,9 @@
        ],
        'dependencies': [
          'libjingle.gyp:libjingle',
 +        '<(DEPTH)/third_party/jsoncpp/jsoncpp.gyp:jsoncpp',
 +        'libjingle.gyp:libjingle_peerconnection',
 +        '<@(libjingle_tests_additional_deps)',
        ],
        # TODO(ronghuawu): crbug.com/167187 fix size_t to int truncations.
        'msvs_disabled_warnings': [ 4309, ],
 }}}

 Then re-run gclient sync --force followed by ninja, and the resulting
 binary is able to text chat with serverless-webrtc in-browser.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5578#comment:37>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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