network_node.h - mozsearch

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/*

 *  Copyright 2018 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_SCENARIO_NETWORK_NODE_H_

#define TEST_SCENARIO_NETWORK_NODE_H_

#include <deque>

#include <map>

#include <memory>

#include <utility>

#include <vector>

#include "api/call/transport.h"

#include "api/sequence_checker.h"

#include "api/units/timestamp.h"

#include "call/call.h"

#include "rtc_base/copy_on_write_buffer.h"

#include "rtc_base/synchronization/mutex.h"

#include "test/network/network_emulation.h"

#include "test/network/simulated_network.h"

#include "test/scenario/column_printer.h"

#include "test/scenario/scenario_config.h"

namespace webrtc {

namespace test {

class SimulationNode {

 public:

  SimulationNode(NetworkSimulationConfig config,

                 SimulatedNetwork* behavior,

                 EmulatedNetworkNode* network_node);

  static std::unique_ptr<SimulatedNetwork> CreateBehavior(

      NetworkSimulationConfig config);

  void UpdateConfig(std::function<void(NetworkSimulationConfig*)> modifier);

  void PauseTransmissionUntil(Timestamp until);

  ColumnPrinter ConfigPrinter() const;

  EmulatedNetworkNode* node() { return network_node_; }

 private:

  NetworkSimulationConfig config_;

  SimulatedNetwork* const simulation_;

  EmulatedNetworkNode* const network_node_;

};

class NetworkNodeTransport : public Transport {

 public:

  NetworkNodeTransport(Clock* sender_clock, Call* sender_call);

  ~NetworkNodeTransport() override;

  void UpdateAdapterId(int adapter_id);

  bool SendRtp(rtc::ArrayView<const uint8_t> packet,

               const PacketOptions& options) override;

  bool SendRtcp(rtc::ArrayView<const uint8_t> packet) override;

  void Connect(EmulatedEndpoint* endpoint,

               const rtc::SocketAddress& receiver_address,

               DataSize packet_overhead);

  void Disconnect();

  DataSize packet_overhead() {

    MutexLock lock(&mutex_);

    return packet_overhead_;

 private:

  SequenceChecker sequence_checker_;

  int adapter_id_ RTC_GUARDED_BY(sequence_checker_) = 0;

  Mutex mutex_;

  Clock* const sender_clock_;

  Call* const sender_call_;

  EmulatedEndpoint* endpoint_ RTC_GUARDED_BY(mutex_) = nullptr;

  rtc::SocketAddress local_address_ RTC_GUARDED_BY(mutex_);

  rtc::SocketAddress remote_address_ RTC_GUARDED_BY(mutex_);

  DataSize packet_overhead_ RTC_GUARDED_BY(mutex_) = DataSize::Zero();

  rtc::NetworkRoute current_network_route_ RTC_GUARDED_BY(mutex_);

};

}  // namespace test

}  // namespace webrtc

#endif  // TEST_SCENARIO_NETWORK_NODE_H_