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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 #ifndef TALK_APP_WEBRTC_TEST_PEERCONNECTIONTESTWRAPPER_H_
     29 #define TALK_APP_WEBRTC_TEST_PEERCONNECTIONTESTWRAPPER_H_
     30 
     31 #include "talk/app/webrtc/peerconnectioninterface.h"
     32 #include "talk/app/webrtc/test/fakeaudiocapturemodule.h"
     33 #include "talk/app/webrtc/test/fakeconstraints.h"
     34 #include "talk/app/webrtc/test/fakevideotrackrenderer.h"
     35 #include "webrtc/base/sigslot.h"
     36 
     37 class PeerConnectionTestWrapper
     38     : public webrtc::PeerConnectionObserver,
     39       public webrtc::CreateSessionDescriptionObserver,
     40       public sigslot::has_slots<> {
     41  public:
     42   static void Connect(PeerConnectionTestWrapper* caller,
     43                       PeerConnectionTestWrapper* callee);
     44 
     45   explicit PeerConnectionTestWrapper(const std::string& name);
     46   virtual ~PeerConnectionTestWrapper();
     47 
     48   bool CreatePc(const webrtc::MediaConstraintsInterface* constraints);
     49 
     50   rtc::scoped_refptr<webrtc::DataChannelInterface> CreateDataChannel(
     51       const std::string& label,
     52       const webrtc::DataChannelInit& init);
     53 
     54   // Implements PeerConnectionObserver.
     55   virtual void OnSignalingChange(
     56      webrtc::PeerConnectionInterface::SignalingState new_state) {}
     57   virtual void OnStateChange(
     58       webrtc::PeerConnectionObserver::StateType state_changed) {}
     59   virtual void OnAddStream(webrtc::MediaStreamInterface* stream);
     60   virtual void OnRemoveStream(webrtc::MediaStreamInterface* stream) {}
     61   virtual void OnDataChannel(webrtc::DataChannelInterface* data_channel);
     62   virtual void OnRenegotiationNeeded() {}
     63   virtual void OnIceConnectionChange(
     64       webrtc::PeerConnectionInterface::IceConnectionState new_state) {}
     65   virtual void OnIceGatheringChange(
     66       webrtc::PeerConnectionInterface::IceGatheringState new_state) {}
     67   virtual void OnIceCandidate(const webrtc::IceCandidateInterface* candidate);
     68   virtual void OnIceComplete() {}
     69 
     70   // Implements CreateSessionDescriptionObserver.
     71   virtual void OnSuccess(webrtc::SessionDescriptionInterface* desc);
     72   virtual void OnFailure(const std::string& error) {}
     73 
     74   void CreateOffer(const webrtc::MediaConstraintsInterface* constraints);
     75   void CreateAnswer(const webrtc::MediaConstraintsInterface* constraints);
     76   void ReceiveOfferSdp(const std::string& sdp);
     77   void ReceiveAnswerSdp(const std::string& sdp);
     78   void AddIceCandidate(const std::string& sdp_mid, int sdp_mline_index,
     79                        const std::string& candidate);
     80   void WaitForCallEstablished();
     81   void WaitForConnection();
     82   void WaitForAudio();
     83   void WaitForVideo();
     84   void GetAndAddUserMedia(
     85     bool audio, const webrtc::FakeConstraints& audio_constraints,
     86     bool video, const webrtc::FakeConstraints& video_constraints);
     87 
     88   // sigslots
     89   sigslot::signal1<std::string*> SignalOnIceCandidateCreated;
     90   sigslot::signal3<const std::string&,
     91                    int,
     92                    const std::string&> SignalOnIceCandidateReady;
     93   sigslot::signal1<std::string*> SignalOnSdpCreated;
     94   sigslot::signal1<const std::string&> SignalOnSdpReady;
     95   sigslot::signal1<webrtc::DataChannelInterface*> SignalOnDataChannel;
     96 
     97  private:
     98   void SetLocalDescription(const std::string& type, const std::string& sdp);
     99   void SetRemoteDescription(const std::string& type, const std::string& sdp);
    100   bool CheckForConnection();
    101   bool CheckForAudio();
    102   bool CheckForVideo();
    103   rtc::scoped_refptr<webrtc::MediaStreamInterface> GetUserMedia(
    104       bool audio, const webrtc::FakeConstraints& audio_constraints,
    105       bool video, const webrtc::FakeConstraints& video_constraints);
    106 
    107   std::string name_;
    108   rtc::scoped_refptr<webrtc::PeerConnectionInterface> peer_connection_;
    109   rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface>
    110       peer_connection_factory_;
    111   rtc::scoped_refptr<FakeAudioCaptureModule> fake_audio_capture_module_;
    112   rtc::scoped_ptr<webrtc::FakeVideoTrackRenderer> renderer_;
    113 };
    114 
    115 #endif  // TALK_APP_WEBRTC_TEST_PEERCONNECTIONTESTWRAPPER_H_
    116