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/*
* Copyright 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_NETWORK_FEEDBACK_GENERATOR_H_
#define TEST_NETWORK_FEEDBACK_GENERATOR_H_
#include <cstdint>
#include <queue>
#include <utility>
#include <vector>
#include "api/transport/network_types.h"
#include "api/transport/test/feedback_generator_interface.h"
#include "call/simulated_network.h"
#include "test/network/network_emulation.h"
#include "test/network/network_emulation_manager.h"
#include "test/time_controller/simulated_time_controller.h"
namespace webrtc {
class FeedbackGeneratorImpl
: public FeedbackGenerator,
public TwoWayFakeTrafficRoute<SentPacket, std::vector<PacketResult>>::
TrafficHandlerInterface {
public:
explicit FeedbackGeneratorImpl(Config config);
Timestamp Now() override;
void Sleep(TimeDelta duration) override;
void SendPacket(size_t size) override;
std::vector<TransportPacketsFeedback> PopFeedback() override;
void SetSendConfig(BuiltInNetworkBehaviorConfig config) override;
void SetReturnConfig(BuiltInNetworkBehaviorConfig config) override;
void SetSendLinkCapacity(DataRate capacity) override;
void OnRequest(SentPacket packet, Timestamp arrival_time) override;
void OnResponse(std::vector<PacketResult> packet_results,
Timestamp arrival_time) override;
private:
Config conf_;
::webrtc::test::NetworkEmulationManagerImpl net_;
SimulatedNetwork* const send_link_;
SimulatedNetwork* const ret_link_;
TwoWayFakeTrafficRoute<SentPacket, std::vector<PacketResult>> route_;
std::queue<SentPacket> sent_packets_;
std::vector<PacketResult> received_packets_;
std::vector<TransportPacketsFeedback> feedback_;
int64_t sequence_number_ = 1;
};
} // namespace webrtc
#endif // TEST_NETWORK_FEEDBACK_GENERATOR_H_
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