1 files changed, 158 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_tools/network_tester/test_controller.cc b/third_party/libwebrtc/rtc_tools/network_tester/test_controller.cc
new file mode 100644
index 0000000000..6fe83fd430
--- /dev/null
+++ b/third_party/libwebrtc/rtc_tools/network_tester/test_controller.cc
@@ -0,0 +1,158 @@
+/*
+ *  Copyright 2017 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 "rtc_tools/network_tester/test_controller.h"
+
+#include <limits>
+
+#include "absl/types/optional.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/internal/default_socket_server.h"
+#include "rtc_base/ip_address.h"
+#include "rtc_base/logging.h"
+#include "rtc_base/thread.h"
+
+namespace webrtc {
+
+TestController::TestController(int min_port,
+                               int max_port,
+                               const std::string& config_file_path,
+                               const std::string& log_file_path)
+    : socket_server_(rtc::CreateDefaultSocketServer()),
+      packet_sender_thread_(
+          std::make_unique<rtc::Thread>(socket_server_.get())),
+      socket_factory_(socket_server_.get()),
+      config_file_path_(config_file_path),
+      packet_logger_(log_file_path),
+      local_test_done_(false),
+      remote_test_done_(false),
+      task_safety_flag_(PendingTaskSafetyFlag::CreateDetached()) {
+  RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
+  send_data_.fill(42);
+  packet_sender_thread_->SetName("PacketSender", nullptr);
+  packet_sender_thread_->Start();
+  packet_sender_thread_->BlockingCall([&] {
+    RTC_DCHECK_RUN_ON(packet_sender_thread_.get());
+    udp_socket_ =
+        std::unique_ptr<rtc::AsyncPacketSocket>(socket_factory_.CreateUdpSocket(
+            rtc::SocketAddress(rtc::GetAnyIP(AF_INET), 0), min_port, max_port));
+    udp_socket_->SignalReadPacket.connect(this, &TestController::OnReadPacket);
+  });
+}
+
+TestController::~TestController() {
+  RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
+  packet_sender_thread_->BlockingCall(
+      [this]() { task_safety_flag_->SetNotAlive(); });
+}
+
+void TestController::SendConnectTo(const std::string& hostname, int port) {
+  RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
+  remote_address_ = rtc::SocketAddress(hostname, port);
+  NetworkTesterPacket packet;
+  packet.set_type(NetworkTesterPacket::HAND_SHAKING);
+  SendData(packet, absl::nullopt);
+  MutexLock scoped_lock(&test_done_lock_);
+  local_test_done_ = false;
+  remote_test_done_ = false;
+}
+
+void TestController::SendData(const NetworkTesterPacket& packet,
+                              absl::optional<size_t> data_size) {
+  if (!packet_sender_thread_->IsCurrent()) {
+    packet_sender_thread_->PostTask(SafeTask(
+        task_safety_flag_,
+        [this, packet, data_size]() { this->SendData(packet, data_size); }));
+    return;
+  }
+  RTC_DCHECK_RUN_ON(packet_sender_thread_.get());
+  RTC_LOG(LS_VERBOSE) << "SendData";
+
+  // Can be call from packet_sender or from test_controller thread.
+  size_t packet_size = packet.ByteSizeLong();
+  send_data_[0] = packet_size;
+  packet_size++;
+  packet.SerializeToArray(&send_data_[1], std::numeric_limits<char>::max());
+  if (data_size && *data_size > packet_size)
+    packet_size = *data_size;
+  udp_socket_->SendTo((const void*)send_data_.data(), packet_size,
+                      remote_address_, rtc::PacketOptions());
+}
+
+void TestController::OnTestDone() {
+  RTC_DCHECK_RUN_ON(packet_sender_thread_.get());
+  NetworkTesterPacket packet;
+  packet.set_type(NetworkTesterPacket::TEST_DONE);
+  SendData(packet, absl::nullopt);
+  MutexLock scoped_lock(&test_done_lock_);
+  local_test_done_ = true;
+}
+
+bool TestController::IsTestDone() {
+  RTC_DCHECK_RUN_ON(&test_controller_thread_checker_);
+  MutexLock scoped_lock(&test_done_lock_);
+  return local_test_done_ && remote_test_done_;
+}
+
+void TestController::OnReadPacket(rtc::AsyncPacketSocket* socket,
+                                  const char* data,
+                                  size_t len,
+                                  const rtc::SocketAddress& remote_addr,
+                                  const int64_t& packet_time_us) {
+  RTC_DCHECK_RUN_ON(packet_sender_thread_.get());
+  RTC_LOG(LS_VERBOSE) << "OnReadPacket";
+  size_t packet_size = data[0];
+  std::string receive_data(&data[1], packet_size);
+  NetworkTesterPacket packet;
+  packet.ParseFromString(receive_data);
+  RTC_CHECK(packet.has_type());
+  switch (packet.type()) {
+    case NetworkTesterPacket::HAND_SHAKING: {
+      NetworkTesterPacket packet;
+      packet.set_type(NetworkTesterPacket::TEST_START);
+      remote_address_ = remote_addr;
+      SendData(packet, absl::nullopt);
+      packet_sender_.reset(new PacketSender(this, packet_sender_thread_.get(),
+                                            task_safety_flag_,
+                                            config_file_path_));
+      packet_sender_->StartSending();
+      MutexLock scoped_lock(&test_done_lock_);
+      local_test_done_ = false;
+      remote_test_done_ = false;
+      break;
+    }
+    case NetworkTesterPacket::TEST_START: {
+      packet_sender_.reset(new PacketSender(this, packet_sender_thread_.get(),
+                                            task_safety_flag_,
+                                            config_file_path_));
+      packet_sender_->StartSending();
+      MutexLock scoped_lock(&test_done_lock_);
+      local_test_done_ = false;
+      remote_test_done_ = false;
+      break;
+    }
+    case NetworkTesterPacket::TEST_DATA: {
+      packet.set_arrival_timestamp(packet_time_us);
+      packet.set_packet_size(len);
+      packet_logger_.LogPacket(packet);
+      break;
+    }
+    case NetworkTesterPacket::TEST_DONE: {
+      MutexLock scoped_lock(&test_done_lock_);
+      remote_test_done_ = true;
+      break;
+    }
+    default: {
+      RTC_DCHECK_NOTREACHED();
+    }
+  }
+}
+
+}  // namespace webrtc