fifo_fnc.h

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/* 
 * $Id$
 *
 * Copyright (C) 2006 Voice Sistem SRL
 *
 * This file is part of a module for Kamailio, a free SIP server.
 *
 * Kamailio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version
 *
 * Kamailio 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * History:
 * --------
 * 2006-09-25: first version (bogdan)
 */

#ifndef _FIFO_FNC_H_
#define _FIFO_FNC_H_

#include <stdio.h>
#include <stdarg.h>
#include <errno.h>


#define FIFO_REPLY_RETRIES  4
#define FIFO_REPLY_WAIT     80000

FILE* mi_init_fifo_server(char *fifo_name, int mode, int uid, int gid,
                char* fifo_reply_dir);

void  mi_fifo_server(FILE *fifostream);

int   mi_read_line( char *b, int max, FILE *stream, int *read);

static inline int mi_fifo_reply( FILE *stream, char *reply_fmt, ... )
{
        int r;
        va_list ap;

retry:
        va_start(ap, reply_fmt);
        r = vfprintf( stream, reply_fmt, ap);
        va_end(ap);
        if (r<=0) {
                if ((errno==EINTR)||(errno==EAGAIN)||(errno==EWOULDBLOCK)) {
                        goto retry;
                }
                LM_ERR("fifo_error: write error: %s\n", strerror(errno));
                return -1;
        }
        return 0;
}


#endif /* _FIFO_FNC_H */