SyslogAppender.c

 
#include <winpr/config.h>
 
#include "SyslogAppender.h"
#include <syslog.h>
 
typedef struct
{
  wLogAppender common;
} wLogSyslogAppender;
 
static int getSyslogLevel(DWORD level)
{
  switch (level)
  {
    case WLOG_TRACE:
    case WLOG_DEBUG:
      return LOG_DEBUG;
    case WLOG_INFO:
      return LOG_INFO;
    case WLOG_WARN:
      return LOG_WARNING;
    case WLOG_ERROR:
      return LOG_ERR;
    case WLOG_FATAL:
      return LOG_CRIT;
    case WLOG_OFF:
    default:
      return -1;
  }
}
 
static BOOL WLog_SyslogAppender_Open(wLog* log, wLogAppender* appender)
{
  return !(!log || !appender);
}
 
static BOOL WLog_SyslogAppender_Close(wLog* log, wLogAppender* appender)
{
  return !(!log || !appender);
}
 
static BOOL WLog_SyslogAppender_WriteMessage(wLog* log, wLogAppender* appender,
                                             const wLogMessage* message)
{
  int syslogLevel = 0;
 
  if (!log || !appender || !message)
    return FALSE;
 
  syslogLevel = getSyslogLevel(message->Level);
  if (syslogLevel >= 0)
    syslog(syslogLevel, "%s", message->TextString);
 
  return TRUE;
}
 
static BOOL WLog_SyslogAppender_WriteDataMessage(wLog* log, wLogAppender* appender,
                                                 const wLogMessage* message)
{
  int syslogLevel = 0;
 
  if (!log || !appender || !message)
    return FALSE;
 
  syslogLevel = getSyslogLevel(message->Level);
  if (syslogLevel >= 0)
    syslog(syslogLevel, "skipped data message of %" PRIuz " bytes", message->Length);
 
  return TRUE;
}
 
static BOOL WLog_SyslogAppender_WriteImageMessage(wLog* log, wLogAppender* appender,
                                                  const wLogMessage* message)
{
  int syslogLevel = 0;
 
  if (!log || !appender || !message)
    return FALSE;
 
  syslogLevel = getSyslogLevel(message->Level);
  if (syslogLevel >= 0)
    syslog(syslogLevel, "skipped image (%" PRIuz "x%" PRIuz "x%" PRIuz ")", message->ImageWidth,
           message->ImageHeight, message->ImageBpp);
 
  return TRUE;
}
 
static void WLog_SyslogAppender_Free(wLogAppender* appender)
{
  free(appender);
}
 
wLogAppender* WLog_SyslogAppender_New(WINPR_ATTR_UNUSED wLog* log)
{
  wLogSyslogAppender* appender = (wLogSyslogAppender*)calloc(1, sizeof(wLogSyslogAppender));
  if (!appender)
    return nullptr;
 
  appender->common.Type = WLOG_APPENDER_SYSLOG;
 
  appender->common.Open = WLog_SyslogAppender_Open;
  appender->common.Close = WLog_SyslogAppender_Close;
  appender->common.WriteMessage = WLog_SyslogAppender_WriteMessage;
  appender->common.WriteDataMessage = WLog_SyslogAppender_WriteDataMessage;
  appender->common.WriteImageMessage = WLog_SyslogAppender_WriteImageMessage;
  appender->common.Free = WLog_SyslogAppender_Free;
 
  return &appender->common;
}