1 /*
2 * Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <stdio.h>
12
13 #include <string>
14 #include <vector>
15
16 #include "absl/flags/flag.h"
17 #include "absl/flags/parse.h"
18 #include "absl/flags/usage.h"
19 #include "absl/strings/string_view.h"
20 #include "logging/rtc_event_log/rtc_event_log_parser.h"
21 #include "rtc_base/logging.h"
22 #include "rtc_tools/rtc_event_log_to_text/converter.h"
23
24 ABSL_FLAG(bool,
25 parse_unconfigured_header_extensions,
26 true,
27 "Attempt to parse unconfigured header extensions using the default "
28 "WebRTC mapping. This can give very misleading results if the "
29 "application negotiates a different mapping.");
30
31 // Prints an RTC event log as human readable text with one line per event.
32 // Note that the RTC event log text format isn't an API. Prefer to build
33 // tools directly on the parser (logging/rtc_event_log/rtc_event_log_parser.cc).
main(int argc,char * argv[])34 int main(int argc, char* argv[]) {
35 absl::SetProgramUsageMessage(
36 "A tool for converting WebRTC event logs to text.\n"
37 "The events are sorted by log time and printed\n"
38 "with one event per line, using the following format:\n"
39 "<EVENT_TYPE> <log_time_ms> <field1>=<value1> <field2>=<value2> ...\n"
40 "\n"
41 "Example usage:\n"
42 "./rtc_event_log_to_text <inputfile> <outputfile>\n"
43 "./rtc_event_log_to_text <inputfile>\n"
44 "If no output file is specified, the output is written to stdout\n");
45 std::vector<char*> args = absl::ParseCommandLine(argc, argv);
46
47 // Print RTC_LOG warnings and errors even in release builds.
48 if (rtc::LogMessage::GetLogToDebug() > rtc::LS_WARNING) {
49 rtc::LogMessage::LogToDebug(rtc::LS_WARNING);
50 }
51 rtc::LogMessage::SetLogToStderr(true);
52
53 webrtc::ParsedRtcEventLog::UnconfiguredHeaderExtensions header_extensions =
54 webrtc::ParsedRtcEventLog::UnconfiguredHeaderExtensions::kDontParse;
55 if (absl::GetFlag(FLAGS_parse_unconfigured_header_extensions)) {
56 header_extensions = webrtc::ParsedRtcEventLog::
57 UnconfiguredHeaderExtensions::kAttemptWebrtcDefaultConfig;
58 }
59
60 std::string inputfile;
61 FILE* output = nullptr;
62 if (args.size() == 3) {
63 inputfile = args[1];
64 std::string outputfile = args[2];
65 output = fopen(outputfile.c_str(), "w");
66 } else if (args.size() == 2) {
67 inputfile = args[1];
68 output = stdout;
69 } else {
70 // Print usage information.
71 std::cerr << absl::ProgramUsageMessage();
72 return 1;
73 }
74
75 bool success = webrtc::Convert(inputfile, output, header_extensions);
76
77 return success ? 0 : 1;
78 }
79