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/*
* Copyright (c) 2012 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/system_wrappers/source/trace_posix.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
namespace webrtc {
TracePosix::TracePosix()
: crit_sect_(*CriticalSectionWrapper::CreateCriticalSection()) {
struct timeval system_time_high_res;
gettimeofday(&system_time_high_res, 0);
prev_api_tick_count_ = prev_tick_count_ = system_time_high_res.tv_sec;
}
TracePosix::~TracePosix() {
delete &crit_sect_;
}
int32_t TracePosix::AddTime(char* trace_message, const TraceLevel level) const {
struct timeval system_time_high_res;
if (gettimeofday(&system_time_high_res, 0) == -1) {
return -1;
}
struct tm buffer;
const struct tm* system_time =
localtime_r(&system_time_high_res.tv_sec, &buffer);
const uint32_t ms_time = system_time_high_res.tv_usec / 1000;
uint32_t prev_tickCount = 0;
{
CriticalSectionScoped lock(&crit_sect_);
if (level == kTraceApiCall) {
prev_tickCount = prev_tick_count_;
prev_tick_count_ = ms_time;
} else {
prev_tickCount = prev_api_tick_count_;
prev_api_tick_count_ = ms_time;
}
}
uint32_t dw_delta_time = ms_time - prev_tickCount;
if (prev_tickCount == 0) {
dw_delta_time = 0;
}
if (dw_delta_time > 0x0fffffff) {
// Either wraparound or data race.
dw_delta_time = 0;
}
if (dw_delta_time > 99999) {
dw_delta_time = 99999;
}
sprintf(trace_message, "(%2u:%2u:%2u:%3u |%5lu) ", system_time->tm_hour,
system_time->tm_min, system_time->tm_sec, ms_time,
static_cast<unsigned long>(dw_delta_time));
// Messages are 22 characters.
return 22;
}
int32_t TracePosix::AddDateTimeInfo(char* trace_message) const {
time_t t;
time(&t);
char buffer[26]; // man ctime says buffer should have room for >=26 bytes.
sprintf(trace_message, "Local Date: %s", ctime_r(&t, buffer));
int32_t len = static_cast<int32_t>(strlen(trace_message));
if ('\n' == trace_message[len - 1]) {
trace_message[len - 1] = '\0';
--len;
}
// Messages is 12 characters.
return len + 1;
}
} // namespace webrtc
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