isdn4k-utils/eicon/divautil/loglib.c

146 lines
2.6 KiB
C

/*
*
* Copyright (C) Eicon Technology Corporation, 2000.
*
* This source file is supplied for the exclusive use with Eicon
* Technology Corporation's range of DIVA Server Adapters.
*
* Eicon File Revision : 1.4
*
* This program 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, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
* Source file for Unix kernel logger library
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include "loglib.h"
/* Server's FIFO name */
static char *server_name = DATADIR "/KLOGD.S";
static char *client_name = DATADIR "/KLOG.";
/*
* Open the server's FIFO, create it of not there
*/
err_t OpenServer(int *fd)
{
struct stat buffer;
if (stat(server_name, &buffer) == -1)
{
if (mkfifo(server_name, 0666) == -1)
{
perror("mkfifo");
return(ERR_SERVER);
}
}
if ((*fd = open(server_name, O_RDWR)) == -1)
{
perror("open server");
return(ERR_SERVER);
}
return(ERR_OK);
}
/*
* Open the clients's FIFO, create it of not there
*/
err_t OpenClient( char *name,
int *fd)
{
struct stat buffer;
if (stat(name, &buffer) == -1)
{
if (mkfifo(name, 0666) == -1)
{
perror("mkfifo");
return(ERR_SERVER);
}
}
if ((*fd = open(name, O_RDWR)) == -1)
{
perror("open client");
return(ERR_SERVER);
}
return(ERR_OK);
}
/*
* Make up a client's name
*/
void CreateClientName(char *name)
{
sprintf(name, "%s%d", client_name, (int) getpid());
return;
}
/*
* Delete Server
*/
void DeleteServer(void)
{
if (unlink(server_name))
{
perror("unlink of server");
}
return;
}
/*
* Delete Client
*/
void DeleteClient(char *name)
{
if (unlink(name))
{
char buffer[80];
sprintf(buffer, "unlink of client %s", name);
perror(buffer);
}
return;
}