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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/rtc_tools/network_tester/packet_logger.cc | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_tools/network_tester/packet_logger.cc b/third_party/libwebrtc/rtc_tools/network_tester/packet_logger.cc new file mode 100644 index 0000000000..eef8030981 --- /dev/null +++ b/third_party/libwebrtc/rtc_tools/network_tester/packet_logger.cc @@ -0,0 +1,44 @@ +/* + * 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/packet_logger.h" + +#include <string> + +#include "rtc_base/checks.h" + +namespace webrtc { + +PacketLogger::PacketLogger(const std::string& log_file_path) + : packet_logger_stream_(log_file_path, + std::ios_base::out | std::ios_base::binary) { + RTC_DCHECK(packet_logger_stream_.is_open()); + RTC_DCHECK(packet_logger_stream_.good()); +} + +PacketLogger::~PacketLogger() = default; + +void PacketLogger::LogPacket(const NetworkTesterPacket& packet) { + // The protobuffer message will be saved in the following format to the file: + // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + // | 1 byte | X byte | 1 byte | ... | X byte | + // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + // | Size of the next | proto | Size of the next | ... | proto | + // | proto message | message | proto message | | message | + // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + std::string packet_data; + packet.SerializeToString(&packet_data); + RTC_DCHECK_LE(packet_data.length(), 255); + RTC_DCHECK_GE(packet_data.length(), 0); + char proto_size = packet_data.length(); + packet_logger_stream_.write(&proto_size, sizeof(proto_size)); + packet_logger_stream_.write(packet_data.data(), packet_data.length()); +} + +} // namespace webrtc |