Reland "Add first part of the network_tester functionality".
This was originally proposed in https://codereview.webrtc.org/2779233002, but due to upstreaming errors, reverted and relanded a few times. This is a tested reland of it.
BUG=webrtc:7426
Review-Url: https://codereview.webrtc.org/2821133004
Cr-Commit-Position: refs/heads/master@{#17756}
diff --git a/webrtc/tools/network_tester/test_controller.h b/webrtc/tools/network_tester/test_controller.h
new file mode 100644
index 0000000..5dae3ea
--- /dev/null
+++ b/webrtc/tools/network_tester/test_controller.h
@@ -0,0 +1,75 @@
+/*
+ * 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.
+ */
+
+#ifndef WEBRTC_TOOLS_NETWORK_TESTER_TEST_CONTROLLER_H_
+#define WEBRTC_TOOLS_NETWORK_TESTER_TEST_CONTROLLER_H_
+
+#include <array>
+#include <limits>
+#include <memory>
+#include <string>
+#include <utility>
+
+#include "webrtc/base/ignore_wundef.h"
+#include "webrtc/p2p/base/basicpacketsocketfactory.h"
+#include "webrtc/p2p/base/udptransport.h"
+#include "webrtc/tools/network_tester/packet_sender.h"
+
+#ifdef WEBRTC_NETWORK_TESTER_PROTO
+RTC_PUSH_IGNORING_WUNDEF()
+#include "webrtc/tools/network_tester/network_tester_packet.pb.h"
+RTC_POP_IGNORING_WUNDEF()
+using webrtc::network_tester::packet::NetworkTesterPacket;
+#else
+class NetworkTesterPacket;
+#endif // WEBRTC_NETWORK_TESTER_PROTO
+
+namespace webrtc {
+
+constexpr size_t kEthernetMtu = 1500;
+
+class TestController : public sigslot::has_slots<> {
+ public:
+ TestController(int min_port,
+ int max_port,
+ const std::string& config_file_path);
+
+ void Run();
+
+ void SendConnectTo(const std::string& hostname, int port);
+
+ void SendData(const NetworkTesterPacket& packet,
+ rtc::Optional<size_t> data_size);
+
+ void OnTestDone();
+
+ bool IsTestDone();
+
+ private:
+ void OnReadPacket(rtc::AsyncPacketSocket* socket,
+ const char* data,
+ size_t len,
+ const rtc::SocketAddress& remote_addr,
+ const rtc::PacketTime& packet_time);
+ rtc::ThreadChecker test_controller_thread_checker_;
+ rtc::SequencedTaskChecker packet_sender_checker_;
+ rtc::BasicPacketSocketFactory socket_factory_;
+ const std::string config_file_path_;
+ rtc::CriticalSection local_test_done_lock_;
+ bool local_test_done_ GUARDED_BY(local_test_done_lock_);
+ bool remote_test_done_;
+ std::array<char, kEthernetMtu> send_data_;
+ std::unique_ptr<cricket::UdpTransport> udp_transport_;
+ std::unique_ptr<PacketSender> packet_sender_;
+};
+
+} // namespace webrtc
+
+#endif // WEBRTC_TOOLS_NETWORK_TESTER_TEST_CONTROLLER_H_