Revert of Add first part of the network_tester functionality.

webrtc/tools/network_tester/config_reader.cc

-/*
- *  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 "webrtc/tools/network_tester/config_reader.h"
-
-#include <string>
-#include <vector>
-
-namespace webrtc {
-
-ConfigReader::ConfigReader(const std::string& config_file_path)
-    : proto_config_index_(0) {
-  std::ifstream config_stream(config_file_path,
-                              std::ios_base::in | std::ios_base::binary);
-  RTC_DCHECK(config_stream.is_open());
-  RTC_DCHECK(config_stream.good());
-  std::string config_data((std::istreambuf_iterator<char>(config_stream)),
-                          (std::istreambuf_iterator<char>()));
-  if (config_data.size() > 0) {
-    proto_all_configs_.ParseFromString(config_data);
-  }
-}
-
-ConfigReader::~ConfigReader() = default;
-
-rtc::Optional<ConfigReader::Config> ConfigReader::GetNextConfig() {
-#ifdef WEBRTC_NETWORK_TESTER_PROTO
-  if (proto_config_index_ >= proto_all_configs_.configs_size())
-    return rtc::Optional<Config>();
-  auto proto_config = proto_all_configs_.configs(proto_config_index_++);
-  RTC_DCHECK(proto_config.has_packet_send_interval_ms());
-  RTC_DCHECK(proto_config.has_packet_size());
-  RTC_DCHECK(proto_config.has_execution_time_ms());
-  Config config;
-  config.packet_send_interval_ms = proto_config.packet_send_interval_ms();
-  config.packet_size = proto_config.packet_size();
-  config.execution_time_ms = proto_config.execution_time_ms();
-  return rtc::Optional<Config>(config);
-#else
-  return rtc::Optional<Config>();
-#endif  //  WEBRTC_NETWORK_TESTER_PROTO
-}
-
-}  // namespace webrtc