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/*
* Copyright (c) 2013 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_RTP_RTCP_OBSERVER_H_
#define TEST_RTP_RTCP_OBSERVER_H_
#include <cstdint>
#include <map>
#include <memory>
#include <utility>
#include "absl/flags/flag.h"
#include "api/array_view.h"
#include "api/call/transport.h"
#include "api/media_types.h"
#include "api/rtp_parameters.h"
#include "api/task_queue/task_queue_base.h"
#include "api/units/time_delta.h"
#include "call/call.h"
#include "call/simulated_packet_receiver.h"
#include "modules/rtp_rtcp/source/rtp_util.h"
#include "rtc_base/checks.h"
#include "rtc_base/event.h"
#include "test/direct_transport.h"
#include "test/gtest.h"
#include "test/test_flags.h"
namespace webrtc {
namespace test {
class PacketTransport;
class RtpRtcpObserver {
public:
enum Action {
SEND_PACKET,
DROP_PACKET,
};
virtual ~RtpRtcpObserver() {}
virtual bool Wait() {
if (absl::GetFlag(FLAGS_webrtc_quick_perf_test)) {
observation_complete_.Wait(TimeDelta::Millis(500));
return true;
}
return observation_complete_.Wait(timeout_);
}
virtual Action OnSendRtp(ArrayView<const uint8_t> packet) {
return SEND_PACKET;
}
virtual Action OnSendRtcp(ArrayView<const uint8_t> packet) {
return SEND_PACKET;
}
virtual Action OnReceiveRtp(ArrayView<const uint8_t> packet) {
return SEND_PACKET;
}
virtual Action OnReceiveRtcp(ArrayView<const uint8_t> packet) {
return SEND_PACKET;
}
protected:
RtpRtcpObserver() : RtpRtcpObserver(TimeDelta::Zero()) {}
explicit RtpRtcpObserver(TimeDelta event_timeout) : timeout_(event_timeout) {}
Event observation_complete_;
private:
const TimeDelta timeout_;
};
class PacketTransport : public test::DirectTransport {
public:
enum TransportType { kReceiver, kSender };
PacketTransport(TaskQueueBase* task_queue,
Call* send_call,
RtpRtcpObserver* observer,
TransportType transport_type,
const std::map<uint8_t, MediaType>& payload_type_map,
std::unique_ptr<SimulatedPacketReceiverInterface> nw_pipe,
ArrayView<const RtpExtension> audio_extensions,
ArrayView<const RtpExtension> video_extensions)
: test::DirectTransport(task_queue,
std::move(nw_pipe),
send_call,
payload_type_map,
audio_extensions,
video_extensions),
observer_(observer),
transport_type_(transport_type) {}
private:
bool SendRtp(ArrayView<const uint8_t> packet,
const PacketOptions& options) override {
EXPECT_TRUE(IsRtpPacket(packet));
RtpRtcpObserver::Action action = RtpRtcpObserver::SEND_PACKET;
if (observer_) {
if (transport_type_ == kSender) {
action = observer_->OnSendRtp(packet);
} else {
action = observer_->OnReceiveRtp(packet);
}
}
switch (action) {
case RtpRtcpObserver::DROP_PACKET:
// Drop packet silently.
return true;
case RtpRtcpObserver::SEND_PACKET:
return test::DirectTransport::SendRtp(packet, options);
}
RTC_DCHECK_NOTREACHED();
return true;
}
bool SendRtcp(ArrayView<const uint8_t> packet,
const PacketOptions& options) override {
EXPECT_TRUE(IsRtcpPacket(packet));
RtpRtcpObserver::Action action = RtpRtcpObserver::SEND_PACKET;
if (observer_) {
if (transport_type_ == kSender) {
action = observer_->OnSendRtcp(packet);
} else {
action = observer_->OnReceiveRtcp(packet);
}
}
switch (action) {
case RtpRtcpObserver::DROP_PACKET:
// Drop packet silently.
return true;
case RtpRtcpObserver::SEND_PACKET:
return test::DirectTransport::SendRtcp(packet, options);
}
RTC_DCHECK_NOTREACHED();
return true;
}
RtpRtcpObserver* const observer_;
TransportType transport_type_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_RTP_RTCP_OBSERVER_H_
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