shithub: openh264

ref: 7fa09903cf87beb5c6a595d44431e65d60dd5939
dir: /codec/decoder/plus/src/welsCodecTrace.cpp/

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/*!
 * \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