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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 <cstddef>
#include <cstdint>
#include <memory>
#include <queue>
#include <vector>
#include "api/rtc_event_log/rtc_event_log.h"
#include "api/test/network_emulation_manager.h"
#include "api/test/simulated_network.h"
#include "api/transport/network_types.h"
#include "api/transport/test/feedback_generator_interface.h"
#include "api/units/data_rate.h"
#include "api/units/data_size.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
#include "test/network/network_emulation.h"
#include "test/network/simulated_network.h"
namespace webrtc {
class FeedbackGeneratorWithoutNetworkImpl
: public FeedbackGeneratorWithoutNetwork,
TwoWayFakeTrafficRoute<SentPacket, std::vector<PacketResult>>::
TrafficHandlerInterface {
public:
FeedbackGeneratorWithoutNetworkImpl(Config config,
NetworkEmulationManager& net);
~FeedbackGeneratorWithoutNetworkImpl() override = default;
void SendPacket(size_t total_size, size_t overhead) override;
std::vector<TransportPacketsFeedback> PopFeedback() override;
RtcEventLog& event_log() override { return *event_log_; }
void OnRequest(SentPacket packet, Timestamp arrival_time) override;
void OnResponse(std::vector<PacketResult> packet_results,
Timestamp arrival_time) override;
Timestamp Now();
private:
NetworkEmulationManager& net_;
const TimeDelta feedback_interval_;
const DataSize feedback_packet_size_;
std::unique_ptr<RtcEventLog> event_log_;
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;
RtpHeaderExtensionMap rtp_extensions_;
};
class FeedbackGeneratorImpl : public FeedbackGenerator {
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;
RtcEventLog& event_log() override { return delegate_.event_log(); }
private:
Config conf_;
std::unique_ptr<NetworkEmulationManager> net_;
SimulatedNetwork* const send_link_;
SimulatedNetwork* const ret_link_;
FeedbackGeneratorWithoutNetworkImpl delegate_;
};
} // namespace webrtc
#endif // TEST_NETWORK_FEEDBACK_GENERATOR_H_
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