mirror of
https://github.com/klzgrad/naiveproxy.git
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91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
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// Copyright 2020 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Define _GNU_SOURCE to ensure that <errno.h> defines
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// program_invocation_short_name which is used in GetProgramName(). Keep this at
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// the top of the file since some system headers might include <errno.h> and the
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// header could be skipped on subsequent includes.
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#if !defined(_GNU_SOURCE)
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#define _GNU_SOURCE
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#endif
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#include "base/logging.h"
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#include <errno.h>
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#include <iomanip>
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#include "base/process/process_handle.h"
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#include "base/strings/string_piece.h"
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#include "base/threading/platform_thread.h"
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namespace logging {
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namespace {
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const char* GetProgramName() {
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return program_invocation_short_name ? program_invocation_short_name : "";
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}
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} // namespace
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// InitWithSyslogPrefix generates log header for Chrome OS in syslog compatible
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// format. The timezone will always be UTC regardless of devices' timezone.
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// `<rfc3339_timestamp> <tickcount> <log_level>`
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// `<program_name>[<pid>:<thread_id>]: `
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// `[<filename>(<line_number>)] <message>`
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//
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// e.g.
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// 2020-06-27T23:55:25.094701Z 1234 VERBOSE1 chrome[3816:3877]:
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// [drm_device_handle.cc(90)] Succeeded authenticating /dev/dri/card0 in 0 ms
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// with 1 attempt(s)
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void LogMessage::InitWithSyslogPrefix(base::StringPiece filename,
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int line,
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uint64_t tick_count,
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const char* log_severity_name_c_str,
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const char* log_prefix,
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bool enable_process_id,
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bool enable_thread_id,
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bool enable_timestamp,
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bool enable_tickcount) {
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if (log_prefix)
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stream_ << log_prefix << ':';
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if (enable_timestamp) {
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timeval tv{};
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gettimeofday(&tv, nullptr);
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time_t t = tv.tv_sec;
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struct tm utc_time {};
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gmtime_r(&t, &utc_time);
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stream_ << std::setfill('0') // Set fill to 0
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<< std::setw(4) << 1900 + utc_time.tm_year << "-" // year
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<< std::setw(2) << 1 + utc_time.tm_mon << "-" // month
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<< std::setw(2) << utc_time.tm_mday // date
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<< 'T' << std::setw(2) << utc_time.tm_hour << ":" // hour
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<< std::setw(2) << utc_time.tm_min << ":" // minute
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<< std::setw(2) << utc_time.tm_sec << "." // second
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<< std::setw(6) << tv.tv_usec // millisecond
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<< "Z "; // timezone UTC
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}
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if (enable_tickcount)
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stream_ << tick_count << ' ';
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if (severity_ >= 0) {
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stream_ << log_severity_name_c_str;
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} else {
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stream_ << "VERBOSE" << -severity_;
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}
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stream_ << ' ' << GetProgramName();
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if (enable_process_id || enable_thread_id) {
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stream_ << "[";
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if (enable_process_id) {
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stream_ << base::GetUniqueIdForProcess();
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}
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if (enable_thread_id) {
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stream_ << ':' << base::PlatformThread::CurrentId();
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}
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stream_ << "]";
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}
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stream_ << ": ";
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stream_ << "[" << filename << "(" << line << ")] ";
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}
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} // namespace logging
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