scenario_connection.h

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/*

 *  Copyright (c) 2019 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.

*/

#ifndef TEST_PEER_SCENARIO_SCENARIO_CONNECTION_H_

#define TEST_PEER_SCENARIO_SCENARIO_CONNECTION_H_

#include <functional>

#include <memory>

#include <string>

#include <vector>

#include "api/candidate.h"

#include "api/environment/environment.h"

#include "api/jsep.h"

#include "p2p/base/transport_description.h"

#include "test/network/network_emulation_manager.h"

#include "test/scoped_key_value_config.h"

namespace webrtc {

// ScenarioIceConnection provides the transport level functionality of a

// PeerConnection for use in peer connection scenario tests. This allows

// implementing custom server side behavior in tests.

class ScenarioIceConnection {

 public:

  class IceConnectionObserver {

   public:

    // Called on network thread.

    virtual void OnPacketReceived(rtc::CopyOnWriteBuffer packet) = 0;

    // Called on signaling thread.

    virtual void OnIceCandidates(

        const std::string& mid,

        const std::vector<cricket::Candidate>& candidates) = 0;

   protected:

    ~IceConnectionObserver() = default;

};

  static std::unique_ptr<ScenarioIceConnection> Create(

      const Environment& env,

      test::NetworkEmulationManagerImpl* net,

      IceConnectionObserver* observer);

  virtual ~ScenarioIceConnection() = default;

  // Posts tasks to send packets to network thread.

  virtual void SendRtpPacket(rtc::ArrayView<const uint8_t> packet_view) = 0;

  virtual void SendRtcpPacket(rtc::ArrayView<const uint8_t> packet_view) = 0;

  // Used for ICE configuration, called on signaling thread.

  virtual void SetRemoteSdp(SdpType type, const std::string& remote_sdp) = 0;

  virtual void SetLocalSdp(SdpType type, const std::string& local_sdp) = 0;

  virtual EmulatedEndpoint* endpoint() = 0;

  virtual const cricket::TransportDescription& transport_description()

      const = 0;

  webrtc::test::ScopedKeyValueConfig field_trials;

};

}  // namespace webrtc

#endif  // TEST_PEER_SCENARIO_SCENARIO_CONNECTION_H_