mirror of
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112 lines
3.0 KiB
C++
112 lines
3.0 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/system_wrappers/source/trace_posix.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/time.h>
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#include <time.h>
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#if defined(_DEBUG)
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#define BUILDMODE "d"
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#elif defined(DEBUG)
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#define BUILDMODE "d"
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#elif defined(NDEBUG)
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#define BUILDMODE "r"
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#else
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#define BUILDMODE "?"
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#endif
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#define BUILDTIME __TIME__
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#define BUILDDATE __DATE__
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// example: "Oct 10 2002 12:05:30 r"
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#define BUILDINFO BUILDDATE " " BUILDTIME " " BUILDMODE
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namespace webrtc {
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TracePosix::TracePosix()
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: crit_sect_(*CriticalSectionWrapper::CreateCriticalSection()) {
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struct timeval system_time_high_res;
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gettimeofday(&system_time_high_res, 0);
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prev_api_tick_count_ = prev_tick_count_ = system_time_high_res.tv_sec;
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}
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TracePosix::~TracePosix() {
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delete &crit_sect_;
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StopThread();
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}
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int32_t TracePosix::AddTime(char* trace_message, const TraceLevel level) const {
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struct timeval system_time_high_res;
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if (gettimeofday(&system_time_high_res, 0) == -1) {
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return -1;
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}
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struct tm buffer;
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const struct tm* system_time =
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localtime_r(&system_time_high_res.tv_sec, &buffer);
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const uint32_t ms_time = system_time_high_res.tv_usec / 1000;
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uint32_t prev_tickCount = 0;
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{
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CriticalSectionScoped lock(&crit_sect_);
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if (level == kTraceApiCall) {
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prev_tickCount = prev_tick_count_;
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prev_tick_count_ = ms_time;
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} else {
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prev_tickCount = prev_api_tick_count_;
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prev_api_tick_count_ = ms_time;
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}
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}
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uint32_t dw_delta_time = ms_time - prev_tickCount;
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if (prev_tickCount == 0) {
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dw_delta_time = 0;
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}
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if (dw_delta_time > 0x0fffffff) {
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// Either wraparound or data race.
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dw_delta_time = 0;
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}
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if (dw_delta_time > 99999) {
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dw_delta_time = 99999;
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}
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sprintf(trace_message, "(%2u:%2u:%2u:%3u |%5lu) ", system_time->tm_hour,
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system_time->tm_min, system_time->tm_sec, ms_time,
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static_cast<unsigned long>(dw_delta_time));
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// Messages are 22 characters.
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return 22;
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}
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int32_t TracePosix::AddBuildInfo(char* trace_message) const {
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sprintf(trace_message, "Build info: %s", BUILDINFO);
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// Include NULL termination (hence + 1).
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return strlen(trace_message) + 1;
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}
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int32_t TracePosix::AddDateTimeInfo(char* trace_message) const {
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time_t t;
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time(&t);
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char buffer[26]; // man ctime says buffer should have room for >=26 bytes.
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sprintf(trace_message, "Local Date: %s", ctime_r(&t, buffer));
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int32_t len = static_cast<int32_t>(strlen(trace_message));
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if ('\n' == trace_message[len - 1]) {
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trace_message[len - 1] = '\0';
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--len;
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}
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// Messages is 12 characters.
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return len + 1;
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}
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} // namespace webrtc
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