Appender.c

 
#include <winpr/config.h>
 
#include "Appender.h"
 
void WLog_Appender_Free(wLog* log, wLogAppender* appender)
{
  if (!appender)
    return;
 
  if (appender->Layout)
  {
    WLog_Layout_Free(log, appender->Layout);
    appender->Layout = nullptr;
  }
 
  DeleteCriticalSection(&appender->lock);
  appender->Free(appender);
}
 
wLogAppender* WLog_GetLogAppender(wLog* log)
{
  if (!log)
    return nullptr;
 
  if (!log->Appender)
    return WLog_GetLogAppender(log->Parent);
 
  return log->Appender;
}
 
BOOL WLog_OpenAppender(wLog* log)
{
  int status = 0;
  wLogAppender* appender = nullptr;
 
  appender = WLog_GetLogAppender(log);
 
  if (!appender)
    return FALSE;
 
  if (!appender->Open)
    return TRUE;
 
  if (!appender->active)
  {
    status = appender->Open(log, appender);
    appender->active = TRUE;
  }
 
  return status;
}
 
BOOL WLog_CloseAppender(wLog* log)
{
  int status = 0;
  wLogAppender* appender = nullptr;
 
  appender = WLog_GetLogAppender(log);
 
  if (!appender)
    return FALSE;
 
  if (!appender->Close)
    return TRUE;
 
  if (appender->active)
  {
    status = appender->Close(log, appender);
    appender->active = FALSE;
  }
 
  return status;
}
 
static wLogAppender* WLog_Appender_New(wLog* log, DWORD logAppenderType)
{
  wLogAppender* appender = nullptr;
 
  if (!log)
    return nullptr;
 
  switch (logAppenderType)
  {
    case WLOG_APPENDER_CONSOLE:
      appender = WLog_ConsoleAppender_New(log);
      break;
    case WLOG_APPENDER_FILE:
      appender = WLog_FileAppender_New(log);
      break;
    case WLOG_APPENDER_BINARY:
      appender = WLog_BinaryAppender_New(log);
      break;
    case WLOG_APPENDER_CALLBACK:
      appender = WLog_CallbackAppender_New(log);
      break;
#ifdef WINPR_HAVE_SYSLOG_H
    case WLOG_APPENDER_SYSLOG:
      appender = WLog_SyslogAppender_New(log);
      break;
#endif
#ifdef WINPR_HAVE_JOURNALD_H
    case WLOG_APPENDER_JOURNALD:
      appender = WLog_JournaldAppender_New(log);
      break;
#endif
    case WLOG_APPENDER_UDP:
      appender = WLog_UdpAppender_New(log);
      break;
    default:
      (void)fprintf(stderr, "%s: unknown handler type %" PRIu32 "\n", __func__,
                    logAppenderType);
      appender = nullptr;
      break;
  }
 
  if (!appender)
    appender = WLog_ConsoleAppender_New(log);
 
  if (!appender)
    return nullptr;
 
  if (!(appender->Layout = WLog_Layout_New(log)))
  {
    WLog_Appender_Free(log, appender);
    return nullptr;
  }
 
  if (!InitializeCriticalSectionAndSpinCount(&appender->lock, 4000))
  {
    WLog_Appender_Free(log, appender);
    return nullptr;
  }
 
  return appender;
}
 
BOOL WLog_SetLogAppenderType(wLog* log, DWORD logAppenderType)
{
  if (!log)
    return FALSE;
 
  if (log->Appender)
  {
    WLog_Appender_Free(log, log->Appender);
    log->Appender = nullptr;
  }
 
  log->Appender = WLog_Appender_New(log, logAppenderType);
  return log->Appender != nullptr;
}
 
BOOL WLog_ConfigureAppender(wLogAppender* appender, const char* setting, void* value)
{
  /* Just check the settings string is not empty */
  if (!appender || !setting || (strnlen(setting, 2) == 0))
    return FALSE;
 
  if (appender->Set)
    return appender->Set(appender, setting, value);
  else
    return FALSE;
}