webrtc/system_wrappers/source/trace_linux.cc
2011-06-21 20:23:23 +00:00

136 lines
3.5 KiB
C++

/*
* Copyright (c) 2011 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 "trace_linux.h"
#include <cassert>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#ifdef ANDROID
#include <pthread.h>
#else
#include <iostream>
#endif
#if defined(_DEBUG)
#define BUILDMODE "d"
#elif defined(DEBUG)
#define BUILDMODE "d"
#elif defined(NDEBUG)
#define BUILDMODE "r"
#else
#define BUILDMODE "?"
#endif
#define BUILDTIME __TIME__
#define BUILDDATE __DATE__
// example: "Oct 10 2002 12:05:30 r"
#define BUILDINFO BUILDDATE " " BUILDTIME " " BUILDMODE
namespace webrtc {
TraceLinux::TraceLinux()
{
_prevAPITickCount = time(NULL);
_prevTickCount = _prevAPITickCount;
}
TraceLinux::~TraceLinux()
{
StopThread();
}
WebRtc_Word32 TraceLinux::AddThreadId(char* traceMessage) const
{
WebRtc_UWord64 threadId = (WebRtc_UWord64)pthread_self();
sprintf(traceMessage, "%10llu; ", threadId);
// 12 bytes are written.
return 12;
}
WebRtc_Word32 TraceLinux::AddTime(char* traceMessage,
const TraceLevel level) const
{
time_t dwCurrentTimeInSeconds = time(NULL);
struct tm systemTime;
gmtime_r(&dwCurrentTimeInSeconds, &systemTime);
if(level == kTraceApiCall)
{
WebRtc_UWord32 dwDeltaTime = dwCurrentTimeInSeconds - _prevTickCount;
_prevTickCount = dwCurrentTimeInSeconds;
if(_prevTickCount == 0)
{
dwDeltaTime = 0;
}
if(dwDeltaTime > 0x0fffffff)
{
// Either wraparound or data race.
dwDeltaTime = 0;
}
if(dwDeltaTime > 99999)
{
dwDeltaTime = 99999;
}
sprintf(traceMessage, "(%2u:%2u:%2u:%3u |%5lu) ", systemTime.tm_hour,
systemTime.tm_min, systemTime.tm_sec, 0,
static_cast<unsigned long>(dwDeltaTime));
} else {
WebRtc_UWord32 dwDeltaTime = dwCurrentTimeInSeconds - _prevAPITickCount;
_prevAPITickCount = dwCurrentTimeInSeconds;
if(_prevAPITickCount == 0)
{
dwDeltaTime = 0;
}
if(dwDeltaTime > 0x0fffffff)
{
// Either wraparound or data race.
dwDeltaTime = 0;
}
if(dwDeltaTime > 99999)
{
dwDeltaTime = 99999;
}
sprintf(traceMessage, "(%2u:%2u:%2u:%3u |%5lu) ", systemTime.tm_hour,
systemTime.tm_min, systemTime.tm_sec, 0,
static_cast<unsigned long>(dwDeltaTime));
}
// Messages is 22 characters.
return 22;
}
WebRtc_Word32 TraceLinux::AddBuildInfo(char* traceMessage) const
{
sprintf(traceMessage, "Build info: %s", BUILDINFO);
// Include NULL termination (hence + 1).
return strlen(traceMessage) + 1;
}
WebRtc_Word32 TraceLinux::AddDateTimeInfo(char* traceMessage) const
{
time_t t;
time(&t);
sprintf(traceMessage, "Local Date: %s", ctime(&t));
WebRtc_Word32 len = static_cast<WebRtc_Word32>(strlen(traceMessage));
if ('\n' == traceMessage[len - 1])
{
traceMessage[len - 1] = '\0';
--len;
}
// Messages is 12 characters.
return len + 1;
}
} // namespace webrtc