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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_CALL_CLIENT_H_
#define TEST_SCENARIO_CALL_CLIENT_H_
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "api/array_view.h"
#include "api/environment/environment.h"
#include "api/rtc_event_log/rtc_event_log.h"
#include "api/rtp_parameters.h"
#include "api/test/time_controller.h"
#include "api/units/data_rate.h"
#include "call/call.h"
#include "modules/audio_device/include/audio_device.h"
#include "modules/congestion_controller/goog_cc/test/goog_cc_printer.h"
#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
#include "rtc_base/task_queue_for_test.h"
#include "test/logging/log_writer.h"
#include "test/network/network_emulation.h"
#include "test/scenario/column_printer.h"
#include "test/scenario/network_node.h"
#include "test/scenario/scenario_config.h"
namespace webrtc {
namespace test {
// Helper class to capture network controller state.
class NetworkControleUpdateCache : public NetworkControllerInterface {
public:
explicit NetworkControleUpdateCache(
std::unique_ptr<NetworkControllerInterface> controller);
NetworkControlUpdate OnNetworkAvailability(NetworkAvailability msg) override;
NetworkControlUpdate OnNetworkRouteChange(NetworkRouteChange msg) override;
NetworkControlUpdate OnProcessInterval(ProcessInterval msg) override;
NetworkControlUpdate OnRemoteBitrateReport(RemoteBitrateReport msg) override;
NetworkControlUpdate OnRoundTripTimeUpdate(RoundTripTimeUpdate msg) override;
NetworkControlUpdate OnSentPacket(SentPacket msg) override;
NetworkControlUpdate OnReceivedPacket(ReceivedPacket msg) override;
NetworkControlUpdate OnStreamsConfig(StreamsConfig msg) override;
NetworkControlUpdate OnTargetRateConstraints(
TargetRateConstraints msg) override;
NetworkControlUpdate OnTransportLossReport(TransportLossReport msg) override;
NetworkControlUpdate OnTransportPacketsFeedback(
TransportPacketsFeedback msg) override;
NetworkControlUpdate OnNetworkStateEstimate(
NetworkStateEstimate msg) override;
NetworkControlUpdate update_state() const;
private:
NetworkControlUpdate Update(NetworkControlUpdate update);
const std::unique_ptr<NetworkControllerInterface> controller_;
NetworkControlUpdate update_state_;
};
class LoggingNetworkControllerFactory
: public NetworkControllerFactoryInterface {
public:
LoggingNetworkControllerFactory(LogWriterFactoryInterface* log_writer_factory,
TransportControllerConfig config);
~LoggingNetworkControllerFactory();
LoggingNetworkControllerFactory(const LoggingNetworkControllerFactory&) =
delete;
LoggingNetworkControllerFactory& operator=(
const LoggingNetworkControllerFactory&) = delete;
std::unique_ptr<NetworkControllerInterface> Create(
NetworkControllerConfig config) override;
TimeDelta GetProcessInterval() const override;
// TODO(srte): Consider using the Columnprinter interface for this.
void LogCongestionControllerStats(Timestamp at_time);
void SetRemoteBitrateEstimate(RemoteBitrateReport msg);
NetworkControlUpdate GetUpdate() const;
private:
GoogCcDebugFactory goog_cc_factory_;
NetworkControllerFactoryInterface* cc_factory_ = nullptr;
bool print_cc_state_ = false;
NetworkControleUpdateCache* last_controller_ = nullptr;
};
struct CallClientFakeAudio {
rtc::scoped_refptr<AudioProcessing> apm;
rtc::scoped_refptr<AudioDeviceModule> fake_audio_device;
rtc::scoped_refptr<AudioState> audio_state;
};
// CallClient represents a participant in a call scenario. It is created by the
// Scenario class and is used as sender and receiver when setting up a media
// stream session.
class CallClient : public EmulatedNetworkReceiverInterface {
public:
CallClient(TimeController* time_controller,
std::unique_ptr<LogWriterFactoryInterface> log_writer_factory,
CallClientConfig config);
~CallClient();
CallClient(const CallClient&) = delete;
CallClient& operator=(const CallClient&) = delete;
ColumnPrinter StatsPrinter();
Call::Stats GetStats();
DataRate send_bandwidth() {
return DataRate::BitsPerSec(GetStats().send_bandwidth_bps);
}
DataRate target_rate() const;
DataRate stable_target_rate() const;
DataRate padding_rate() const;
void UpdateBitrateConstraints(const BitrateConstraints& constraints);
void SetRemoteBitrate(DataRate bitrate);
void SetAudioReceiveRtpHeaderExtensions(
rtc::ArrayView<RtpExtension> extensions);
void SetVideoReceiveRtpHeaderExtensions(
rtc::ArrayView<RtpExtension> extensions);
void OnPacketReceived(EmulatedIpPacket packet) override;
std::unique_ptr<RtcEventLogOutput> GetLogWriter(std::string name);
// Exposed publicly so that tests can execute tasks such as querying stats
// for media streams in the expected runtime environment (essentially what
// CallClient does internally for GetStats()).
void SendTask(std::function<void()> task);
private:
friend class Scenario;
friend class CallClientPair;
friend class SendVideoStream;
friend class VideoStreamPair;
friend class ReceiveVideoStream;
friend class SendAudioStream;
friend class ReceiveAudioStream;
friend class AudioStreamPair;
friend class NetworkNodeTransport;
uint32_t GetNextVideoSsrc();
uint32_t GetNextVideoLocalSsrc();
uint32_t GetNextAudioSsrc();
uint32_t GetNextAudioLocalSsrc();
uint32_t GetNextRtxSsrc();
int16_t Bind(EmulatedEndpoint* endpoint);
void UnBind();
TimeController* const time_controller_;
Environment env_;
const std::unique_ptr<LogWriterFactoryInterface> log_writer_factory_;
LoggingNetworkControllerFactory network_controller_factory_;
CallClientFakeAudio fake_audio_setup_;
std::unique_ptr<Call> call_;
std::unique_ptr<NetworkNodeTransport> transport_;
std::vector<std::pair<EmulatedEndpoint*, uint16_t>> endpoints_;
RtpHeaderExtensionMap audio_extensions_;
RtpHeaderExtensionMap video_extensions_;
int next_video_ssrc_index_ = 0;
int next_video_local_ssrc_index_ = 0;
int next_rtx_ssrc_index_ = 0;
int next_audio_ssrc_index_ = 0;
int next_audio_local_ssrc_index_ = 0;
std::map<uint32_t, MediaType> ssrc_media_types_;
// Defined last so it's destroyed first.
TaskQueueForTest task_queue_;
};
class CallClientPair {
public:
~CallClientPair();
CallClientPair(const CallClientPair&) = delete;
CallClientPair& operator=(const CallClientPair&) = delete;
CallClient* first() { return first_; }
CallClient* second() { return second_; }
std::pair<CallClient*, CallClient*> forward() { return {first(), second()}; }
std::pair<CallClient*, CallClient*> reverse() { return {second(), first()}; }
private:
friend class Scenario;
CallClientPair(CallClient* first, CallClient* second)
: first_(first), second_(second) {}
CallClient* const first_;
CallClient* const second_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_SCENARIO_CALL_CLIENT_H_
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