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- /*
- * FreeModbus Libary: Linux Port
- * Copyright (C) 2006 Christian Walter <wolti@sil.at>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * File: $Id: portother.c,v 1.1 2006/08/01 20:58:49 wolti Exp $
- */
- /* ----------------------- Standard includes --------------------------------*/
- #include <stdio.h>
- #include <stdlib.h>
- #include <stdarg.h>
- #include <string.h>
- #include <errno.h>
- #include <pthread.h>
- #include "port.h"
- /* ----------------------- Modbus includes ----------------------------------*/
- #include "mb.h"
- #include "mbport.h"
- #include "mbconfig.h"
- #include "mbctx.h"
- /* ----------------------- Defines ------------------------------------------*/
- #define NELEMS( x ) ( sizeof( ( x ) )/sizeof( ( x )[0] ) )
- /* ----------------------- Static variables ---------------------------------*/
- static FILE *fLogFile = NULL;
- static eMBPortLogLevel eLevelMax = MB_LOG_DEBUG;
- static pthread_mutex_t xLock = PTHREAD_MUTEX_INITIALIZER;
- /* ----------------------- Start implementation -----------------------------*/
- void
- vMBPortLogLevel( eMBPortLogLevel eNewLevelMax )
- {
- eLevelMax = eNewLevelMax;
- }
- void
- vMBPortLogFile( FILE * fNewLogFile )
- {
- fLogFile = fNewLogFile;
- }
- void
- vMBPortLog( eMBPortLogLevel eLevel, const CHAR * szModule, const CHAR * szFmt, ... )
- {
- CHAR szBuf[512];
- int i;
- va_list args;
- FILE *fOutput = fLogFile == NULL ? stderr : fLogFile;
- static const char *arszLevel2Str[] = { "ERROR", "WARN", "INFO", "DEBUG" };
- i = snprintf( szBuf, NELEMS( szBuf ), "%s: %s: ", arszLevel2Str[eLevel], szModule );
- if( i != 0 )
- {
- va_start( args, szFmt );
- i += vsnprintf( &szBuf[i], NELEMS( szBuf ) - i, szFmt, args );
- va_end( args );
- }
- if( i != 0 )
- {
- if( eLevel <= eLevelMax )
- {
- //fputs( szBuf, fOutput );
- //log_dbg("%s",szBuf);
- }
- }
- }
- void
- vMBPortEnterCritical( fmodbus_t* ctx )
- {
- if( pthread_mutex_lock( &ctx->xLock ) != 0 )
- {
- vMBPortLog( MB_LOG_ERROR, "OTHER", "Locking primitive failed: %s\n", strerror( errno ) );
- }
- }
- void
- vMBPortExitCritical( fmodbus_t* ctx )
- {
- if( pthread_mutex_unlock( &ctx->xLock ) != 0 )
- {
- vMBPortLog( MB_LOG_ERROR, "OTHER", "Locking primitive failed: %s\n", strerror( errno ) );
- }
- }
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