blob: 0ae0730d82cea04cc74399c99fcc82044c24e90d [file] [log] [blame]
/*
* 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.
*/
#include "test/direct_transport.h"
#include "absl/memory/memory.h"
#include "call/call.h"
#include "call/fake_network_pipe.h"
#include "modules/rtp_rtcp/include/rtp_header_parser.h"
#include "system_wrappers/include/clock.h"
#include "test/single_threaded_task_queue.h"
namespace webrtc {
namespace test {
Demuxer::Demuxer(const std::map<uint8_t, MediaType>& payload_type_map)
: payload_type_map_(payload_type_map) {}
MediaType Demuxer::GetMediaType(const uint8_t* packet_data,
const size_t packet_length) const {
if (!RtpHeaderParser::IsRtcp(packet_data, packet_length)) {
RTC_CHECK_GE(packet_length, 2);
const uint8_t payload_type = packet_data[1] & 0x7f;
std::map<uint8_t, MediaType>::const_iterator it =
payload_type_map_.find(payload_type);
RTC_CHECK(it != payload_type_map_.end())
<< "payload type " << static_cast<int>(payload_type) << " unknown.";
return it->second;
}
return MediaType::ANY;
}
DirectTransport::DirectTransport(
SingleThreadedTaskQueueForTesting* task_queue,
std::unique_ptr<SimulatedPacketReceiverInterface> pipe,
Call* send_call,
const std::map<uint8_t, MediaType>& payload_type_map)
: send_call_(send_call),
clock_(Clock::GetRealTimeClock()),
task_queue_(task_queue),
demuxer_(payload_type_map),
fake_network_(std::move(pipe)) {
Start();
}
DirectTransport::~DirectTransport() {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
// Constructor updates |next_scheduled_task_|, so it's guaranteed to
// be initialized.
task_queue_->CancelTask(next_scheduled_task_);
}
void DirectTransport::StopSending() {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
task_queue_->CancelTask(next_scheduled_task_);
}
void DirectTransport::SetReceiver(PacketReceiver* receiver) {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
fake_network_->SetReceiver(receiver);
}
bool DirectTransport::SendRtp(const uint8_t* data,
size_t length,
const PacketOptions& options) {
if (send_call_) {
rtc::SentPacket sent_packet(options.packet_id,
clock_->TimeInMilliseconds());
send_call_->OnSentPacket(sent_packet);
}
SendPacket(data, length);
return true;
}
bool DirectTransport::SendRtcp(const uint8_t* data, size_t length) {
SendPacket(data, length);
return true;
}
void DirectTransport::SendPacket(const uint8_t* data, size_t length) {
MediaType media_type = demuxer_.GetMediaType(data, length);
int64_t send_time = clock_->TimeInMicroseconds();
fake_network_->DeliverPacket(media_type, rtc::CopyOnWriteBuffer(data, length),
send_time);
}
int DirectTransport::GetAverageDelayMs() {
return fake_network_->AverageDelay();
}
void DirectTransport::Start() {
RTC_DCHECK(task_queue_);
if (send_call_) {
send_call_->SignalChannelNetworkState(MediaType::AUDIO, kNetworkUp);
send_call_->SignalChannelNetworkState(MediaType::VIDEO, kNetworkUp);
}
SendPackets();
}
void DirectTransport::SendPackets() {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
fake_network_->Process();
int64_t delay_ms = fake_network_->TimeUntilNextProcess();
next_scheduled_task_ =
task_queue_->PostDelayedTask([this]() { SendPackets(); }, delay_ms);
}
} // namespace test
} // namespace webrtc