ref: ddcfc09c495c81dd6cf4824d1f3f345481c75d61
dir: /codec/decoder/plus/src/welsCodecTrace.cpp/
/*!
* \copy
* Copyright (c) 2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifdef _WIN32
#include <windows.h>
#include <tchar.h>
#endif
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
#include "utils.h"
#include "welsCodecTrace.h"
#include "utils.h"
#include "logging.h"
#if defined LINUX || defined SOLARIS || defined UNIX || defined MACOS //LINUX/SOLARIS/UNIX
#include <dlfcn.h>
#endif
#if defined(MACOS)
#include <carbon/carbon.h>
#include <CoreFoundation/CFBundle.h>
#endif//MACOS
//using namespace WelsDec;
namespace WelsDec {
#ifdef MACOS
static CFBundleRef LoadLibrary (const char* lpszbundle) {
// 1.get bundle path
char cBundlePath[PATH_MAX];
memset (cBundlePath, 0, PATH_MAX);
Dl_info dlInfo;
static int sDummy;
dladdr ((void_t*)&sDummy, &dlInfo);
strlcpy (cBundlePath, dlInfo.dli_fname, PATH_MAX);
char* pPath = NULL;
for (int i = 4; i > 0; i--) {
pPath = strrchr (cBundlePath, '/'); //confirmed_safe_unsafe_usage
if (pPath) {
*pPath = 0;
} else {
break;
}
}
if (pPath) {
strlcat (cBundlePath, "/", PATH_MAX);
} else {
return NULL;
}
strlcat (cBundlePath, lpszbundle, PATH_MAX);
FSRef bundlePath;
OSStatus iStatus = FSPathMakeRef ((unsigned char*)cBundlePath, &bundlePath, NULL);
if (noErr != iStatus)
return NULL;
CFURLRef bundleURL = CFURLCreateFromFSRef (kCFAllocatorSystemDefault, &bundlePath);
if (NULL == bundleURL)
return NULL;
// 2.get bundle ref
CFBundleRef bundleRef = CFBundleCreate (kCFAllocatorSystemDefault, bundleURL);
CFRelease (bundleURL);
// Boolean bReturn = FALSE;
if (NULL != bundleRef) {
// bReturn = CFBundleLoadExecutable(bundleRef);
}
return bundleRef;
}
static Boolean FreeLibrary (CFBundleRef bundle) {
if (NULL != bundle) {
// CFBundleUnloadExecutable(bundle);
CFRelease (bundle);
}
return TRUE;
}
static void_t* GetProcessAddress (CFBundleRef bundle, const char* lpszprocname) {
if (NULL == bundle)
return NULL;
CFStringRef cfprocname = CFStringCreateWithCString (NULL, lpszprocname, CFStringGetSystemEncoding());
void_t* processAddress = CFBundleGetFunctionPointerForName (bundle, cfprocname);
CFRelease (cfprocname);
return processAddress;
}
#endif
int32_t CWelsTraceBase::SetTraceLevel (int iLevel) {
m_iLevel = iLevel;
return 0;
}
int32_t CWelsTraceBase::Trace (const int kLevel, const str_t* kpFormat, va_list pVl) {
if (kLevel & m_iLevel) {
str_t chWStrFormat[MAX_LOG_SIZE] = {0};
str_t chBuf[MAX_LOG_SIZE] = {0};
str_t chResult[MAX_LOG_SIZE] = {0};
const int32_t kLen = WelsStrnlen ((const str_t*)"[DECODER]: ", MAX_LOG_SIZE);
WelsStrncpy (chWStrFormat, MAX_LOG_SIZE, (const str_t*)kpFormat, WelsStrnlen ((const str_t*)kpFormat, MAX_LOG_SIZE));
WelsStrncpy (chBuf, MAX_LOG_SIZE, (const str_t*)"[DECODER]: ", kLen);
WelsVsprintf ((chBuf + kLen), MAX_LOG_SIZE - kLen, (const str_t*)kpFormat, pVl);
WelsStrncpy (chResult, MAX_LOG_SIZE, (const str_t*)chBuf, WelsStrnlen ((const str_t*)chBuf, MAX_LOG_SIZE));
WriteString (kLevel, chResult);
}
return 0;
}
CWelsTraceFile::CWelsTraceFile (const str_t* pFileName) {
m_pTraceFile = WelsFopen (pFileName, (const str_t*)"wt");
}
CWelsTraceFile::~CWelsTraceFile() {
if (m_pTraceFile) {
WelsFclose (m_pTraceFile);
m_pTraceFile = NULL;
}
}
int32_t CWelsTraceFile::WriteString (int32_t iLevel, const str_t* pStr) {
int iRC = 0;
const static str_t chEnter[16] = "\n";
if (m_pTraceFile) {
iRC += WelsFwrite (pStr, 1, WelsStrnlen (pStr, MAX_LOG_SIZE), m_pTraceFile);
iRC += WelsFwrite (chEnter, 1, WelsStrnlen (chEnter, 16), m_pTraceFile);
WelsFflush (m_pTraceFile);
}
return iRC;
}
#ifdef _WIN32
int32_t CWelsTraceWinDgb::WriteString (int32_t iLevel, const str_t* pStr) {
OutputDebugStringA (pStr);
return WelsStrnlen (pStr, MAX_LOG_SIZE); //strnlen(pStr, MAX_LOG_SIZE);
}
#endif
CWelsCodecTrace::CWelsCodecTrace() {
m_hTraceHandle = NULL;
m_fpDebugTrace = NULL;
m_fpInfoTrace = NULL;
m_fpWarnTrace = NULL;
m_fpErrorTrace = NULL;
LoadWelsTraceModule();
}
CWelsCodecTrace::~CWelsCodecTrace() {
UnloadWelsTraceModule();
}
int32_t CWelsCodecTrace::LoadWelsTraceModule() {
#ifdef NO_DYNAMIC_VP
m_fpDebugTrace = welsStderrTrace<WELS_LOG_DEBUG>;
m_fpInfoTrace = welsStderrTrace<WELS_LOG_INFO>;
m_fpWarnTrace = welsStderrTrace<WELS_LOG_WARNING>;
m_fpErrorTrace = welsStderrTrace<WELS_LOG_ERROR>;
#else
#if defined _WIN32
HMODULE hHandle = ::LoadLibrary ("welstrace.dll");
// HMODULE handle = ::LoadLibrary("contrace.dll"); // for c7 trace
if (NULL == hHandle)
return -1;
CHAR chPath[ _MAX_PATH] = {0};
GetModuleFileName ((HMODULE)hHandle, chPath, _MAX_PATH);
m_hTraceHandle = ::LoadLibrary (chPath);
OutputDebugStringA (chPath);
if (m_hTraceHandle) {
m_fpDebugTrace = (CM_WELS_TRACE)::GetProcAddress ((HMODULE)m_hTraceHandle, "WELSDEBUGA");
m_fpInfoTrace = (CM_WELS_TRACE)::GetProcAddress ((HMODULE)m_hTraceHandle, "WELSINFOA");
m_fpWarnTrace = (CM_WELS_TRACE)::GetProcAddress ((HMODULE)m_hTraceHandle, "WELSWARNA");
m_fpErrorTrace = (CM_WELS_TRACE)::GetProcAddress ((HMODULE)m_hTraceHandle, "WELSERRORA");
}
// coverity scan uninitial
if (hHandle != NULL) {
::FreeLibrary (hHandle);
hHandle = NULL;
}
#elif defined MACOS
m_hTraceHandle = LoadLibrary ("welstrace.bundle");
if (m_hTraceHandle) {
m_fpDebugTrace = (CM_WELS_TRACE)GetProcessAddress ((CFBundleRef)m_hTraceHandle, "WELSDEBUG2");
m_fpInfoTrace = (CM_WELS_TRACE)GetProcessAddress ((CFBundleRef)m_hTraceHandle, "WELSINFO2");
m_fpWarnTrace = (CM_WELS_TRACE)GetProcessAddress ((CFBundleRef)m_hTraceHandle, "WELSWARN2");
m_fpErrorTrace = (CM_WELS_TRACE)GetProcessAddress ((CFBundleRef)m_hTraceHandle, "WELSERROR2");
}
#elif defined LINUX || defined SOLARIS || defined UNIX
//#else
// CCmString cmPath;
str_t chPath[255] = {0};
Dl_info sDlInfo;
static int iMmTPAddress;
dladdr (&iMmTPAddress, &sDlInfo);
if (NULL == sDlInfo.dli_fname)
return -1;
WelsStrncpy (chPath, 255, (const str_t*)sDlInfo.dli_fname, WelsStrnlen ((const str_t*)sDlInfo.dli_fname, 255));
str_t* p = strrchr (chPath, '/'); //confirmed_safe_unsafe_usage
if (NULL == p)
return -1;
const int iLenTraceName = WelsStrnlen ((const str_t*)"/libwelstrace.so", 15);
const int iCurPos = p - chPath;
if (iCurPos + iLenTraceName < 255)
WelsStrncpy (p, 254 - iCurPos, (const str_t*)"/libwelstrace.so", iLenTraceName);
else
return -1;
m_hTraceHandle = dlopen (chPath, RTLD_LAZY);
if (m_hTraceHandle == NULL) {
WelsFileHandle* fp = WelsFopen ((const str_t*)"/tmp/trace.txt", (const str_t*)"a");
if (fp) {
fprintf (fp, "welsCodecTrace::welsCodecTrace ===> dlopen %s fail, %s\n", chPath, dlerror());
WelsFclose (fp);
}
return -1;
}
if (m_hTraceHandle) {
m_fpDebugTrace = (CM_WELS_TRACE)dlsym (m_hTraceHandle, "WELSDEBUG2");
m_fpInfoTrace = (CM_WELS_TRACE)dlsym (m_hTraceHandle, "WELSINFO2");
m_fpWarnTrace = (CM_WELS_TRACE)dlsym (m_hTraceHandle, "WELSWARN2");
m_fpErrorTrace = (CM_WELS_TRACE)dlsym (m_hTraceHandle, "WELSERROR2");
if (m_fpDebugTrace == NULL) {
WelsFileHandle* fp = WelsFopen ((const str_t*)"/tmp/trace.txt", (const str_t*)"a");
if (fp) {
printf ("welsCodecTrace::welsCodecTrace ===> dlsym failed (WELSDEBUG2) , dlerror = %s\n", dlerror());
WelsFclose (fp);
}
return -1;
}
}
#endif
#endif // NO_DYNAMIC_VP
return 0;
}
int32_t CWelsCodecTrace::UnloadWelsTraceModule() {
#ifndef NO_DYNAMIC_VP
#if defined _WIN32
if (m_hTraceHandle) {
::FreeLibrary ((HMODULE)m_hTraceHandle);
}
#elif defined MACOS
if (m_hTraceHandle) {
FreeLibrary ((CFBundleRef)m_hTraceHandle);
}
#elif defined LINUX || defined SOLARIS || defined UNIX
if (m_hTraceHandle) {
::dlclose (m_hTraceHandle);
}
#endif
#endif
m_hTraceHandle = NULL;
m_fpDebugTrace = NULL;
m_fpInfoTrace = NULL;
m_fpWarnTrace = NULL;
m_fpErrorTrace = NULL;
return 0;
}
int32_t CWelsCodecTrace::WriteString (int32_t iLevel, const str_t* pStr) {
#ifndef NO_DYNAMIC_VP
if (m_hTraceHandle)
#endif
{
#ifdef _WIN32
switch (iLevel) {
case WELS_LOG_ERROR:
if (m_fpErrorTrace)
m_fpErrorTrace ("%s", pStr);
break;
case WELS_LOG_WARNING:
if (m_fpWarnTrace)
m_fpWarnTrace ("%s", pStr);
break;
case WELS_LOG_INFO:
if (m_fpInfoTrace)
m_fpInfoTrace ("%s", pStr);
break;
case WELS_LOG_DEBUG:
if (m_fpDebugTrace)
m_fpDebugTrace ("%s", pStr);
break;
default:
if (m_fpDebugTrace)
m_fpInfoTrace ("%s", pStr);
break;
}
#else
switch (iLevel) {
case WELS_LOG_ERROR:
if (m_fpErrorTrace)
m_fpErrorTrace ("CODEC", "%s", pStr);
break;
case WELS_LOG_WARNING:
if (m_fpWarnTrace)
m_fpWarnTrace ("CODEC", "%s", pStr);
break;
case WELS_LOG_INFO:
if (m_fpInfoTrace)
m_fpInfoTrace ("CODEC", "%s", pStr);
break;
case WELS_LOG_DEBUG:
if (m_fpInfoTrace)
m_fpInfoTrace ("CODEC", "%s", pStr);
break;
default:
if (m_fpInfoTrace)
m_fpInfoTrace ("CODEC", "%s", pStr);
break;
}
#endif
}
return 0;
}
IWelsTrace* CreateWelsTrace (EWelsTraceType eType, void_t* pParam) {
IWelsTrace* pTrace = NULL;
switch (eType) {
case Wels_Trace_Type:
pTrace = new CWelsCodecTrace();
break;
case Wels_Trace_Type_File:
pTrace = new CWelsTraceFile();
break;
#ifdef _WIN32
case Wels_Trace_Type_WinDgb:
pTrace = new CWelsTraceWinDgb();
break;
#endif
default:
break;
}
return pTrace;
}
} // namespace WelsDec