Add packet logger and server

webrtc/tools/network_tester/packet_logger.h

Index: webrtc/tools/network_tester/packet_logger.h
diff --git a/webrtc/tools/network_tester/packet_sender.h b/webrtc/tools/network_tester/packet_logger.h
similarity index 50%
copy from webrtc/tools/network_tester/packet_sender.h
copy to webrtc/tools/network_tester/packet_logger.h
index c3aacf44a8007369f0df1b7f5c391380a368707f..35d67219039f9fe4a3f5eff7e432d6da97ff6f08 100644
--- a/webrtc/tools/network_tester/packet_sender.h
+++ b/webrtc/tools/network_tester/packet_logger.h
@@ -8,14 +8,14 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_TOOLS_NETWORK_TESTER_PACKET_SENDER_H_
-#define WEBRTC_TOOLS_NETWORK_TESTER_PACKET_SENDER_H_
+#ifndef WEBRTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_
+#define WEBRTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_
 
-#include <memory>
+#include <fstream>
 #include <string>
 
+#include "webrtc/base/constructormagic.h"
 #include "webrtc/base/ignore_wundef.h"
-#include "webrtc/base/task_queue.h"
 
 #ifdef WEBRTC_NETWORK_TESTER_PROTO
 RTC_PUSH_IGNORING_WUNDEF()
@@ -28,34 +28,19 @@ class NetworkTesterPacket;
 
 namespace webrtc {
 
-class TestController;
-
-class PacketSender {
+class PacketLogger {
  public:
-  PacketSender(TestController* test_controller,
-               const std::string& config_file_path);
-  ~PacketSender();
-
-  void StartSending();
-  void StopSending();
-  bool IsSending();
+  explicit PacketLogger(const std::string& log_file_path);
+  ~PacketLogger();
 
-  void SendPacket();
-
-  int64_t GetSendIntervalMs();
-  void UpdateTestSetting(size_t packet_size, int64_t send_interval_ms);
+  void LogPacket(const NetworkTesterPacket& packet);
 
  private:
-  rtc::TaskQueue worker_queue_;
-  size_t packet_size_;
-  int64_t send_interval_ms_;
-  int64_t sequence_number_;
-  bool sending_;
-  const std::string config_file_path_;
-  TestController* const test_controller_;
-  RTC_DISALLOW_COPY_AND_ASSIGN(PacketSender);
+  std::ofstream packet_logger_stream_;
+
+  RTC_DISALLOW_COPY_AND_ASSIGN(PacketLogger);
 };
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_TOOLS_NETWORK_TESTER_PACKET_SENDER_H_
+#endif  // WEBRTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_