133 lines
4.6 KiB
C++
133 lines
4.6 KiB
C++
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_tools/network_tester/test_controller.h"
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#include <limits>
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#include "absl/types/optional.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/ip_address.h"
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#include "rtc_base/thread.h"
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namespace webrtc {
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TestController::TestController(int min_port,
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int max_port,
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const std::string& config_file_path,
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const std::string& log_file_path)
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: socket_factory_(rtc::ThreadManager::Instance()->WrapCurrentThread()),
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config_file_path_(config_file_path),
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packet_logger_(log_file_path),
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local_test_done_(false),
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remote_test_done_(false) {
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RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
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packet_sender_checker_.Detach();
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send_data_.fill(42);
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udp_socket_ =
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std::unique_ptr<rtc::AsyncPacketSocket>(socket_factory_.CreateUdpSocket(
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rtc::SocketAddress(rtc::GetAnyIP(AF_INET), 0), min_port, max_port));
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udp_socket_->SignalReadPacket.connect(this, &TestController::OnReadPacket);
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}
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void TestController::SendConnectTo(const std::string& hostname, int port) {
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RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
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remote_address_ = rtc::SocketAddress(hostname, port);
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NetworkTesterPacket packet;
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packet.set_type(NetworkTesterPacket::HAND_SHAKING);
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SendData(packet, absl::nullopt);
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MutexLock scoped_lock(&local_test_done_lock_);
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local_test_done_ = false;
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remote_test_done_ = false;
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}
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void TestController::Run() {
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RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
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rtc::Thread::Current()->ProcessMessages(0);
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}
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void TestController::SendData(const NetworkTesterPacket& packet,
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absl::optional<size_t> data_size) {
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// Can be call from packet_sender or from test_controller thread.
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size_t packet_size = packet.ByteSizeLong();
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send_data_[0] = packet_size;
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packet_size++;
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packet.SerializeToArray(&send_data_[1], std::numeric_limits<char>::max());
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if (data_size && *data_size > packet_size)
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packet_size = *data_size;
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udp_socket_->SendTo((const void*)send_data_.data(), packet_size,
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remote_address_, rtc::PacketOptions());
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}
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void TestController::OnTestDone() {
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RTC_DCHECK_RUN_ON(&packet_sender_checker_);
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NetworkTesterPacket packet;
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packet.set_type(NetworkTesterPacket::TEST_DONE);
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SendData(packet, absl::nullopt);
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MutexLock scoped_lock(&local_test_done_lock_);
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local_test_done_ = true;
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}
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bool TestController::IsTestDone() {
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RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
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MutexLock scoped_lock(&local_test_done_lock_);
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return local_test_done_ && remote_test_done_;
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}
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void TestController::OnReadPacket(rtc::AsyncPacketSocket* socket,
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const char* data,
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size_t len,
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const rtc::SocketAddress& remote_addr,
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const int64_t& packet_time_us) {
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RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
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size_t packet_size = data[0];
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std::string receive_data(&data[1], packet_size);
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NetworkTesterPacket packet;
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packet.ParseFromString(receive_data);
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RTC_CHECK(packet.has_type());
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switch (packet.type()) {
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case NetworkTesterPacket::HAND_SHAKING: {
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NetworkTesterPacket packet;
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packet.set_type(NetworkTesterPacket::TEST_START);
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remote_address_ = remote_addr;
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SendData(packet, absl::nullopt);
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packet_sender_.reset(new PacketSender(this, config_file_path_));
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packet_sender_->StartSending();
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MutexLock scoped_lock(&local_test_done_lock_);
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local_test_done_ = false;
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remote_test_done_ = false;
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break;
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}
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case NetworkTesterPacket::TEST_START: {
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packet_sender_.reset(new PacketSender(this, config_file_path_));
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packet_sender_->StartSending();
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MutexLock scoped_lock(&local_test_done_lock_);
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local_test_done_ = false;
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remote_test_done_ = false;
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break;
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}
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case NetworkTesterPacket::TEST_DATA: {
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packet.set_arrival_timestamp(packet_time_us);
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packet.set_packet_size(len);
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packet_logger_.LogPacket(packet);
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break;
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}
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case NetworkTesterPacket::TEST_DONE: {
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remote_test_done_ = true;
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break;
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}
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default: {
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RTC_NOTREACHED();
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}
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}
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}
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} // namespace webrtc
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