/* * OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway * * sock.h - socket manipulation routines  * * Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru) *  * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: *  * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. *  * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. *  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id: sock.h,v 1.2 2003/09/27 13:45:01 kapyar Exp $ */#ifndef _SOCKUTILS_H#define _SOCKUTILS_H#include "globals.h"#ifdef LOG#  include "log.h"#endif#define BACKLOG 5/* Socket buffers size */#define SOCKBUFSIZE 512int sock_set_blkmode(int sd, int blkmode);int sock_create(int blkmode);int sock_create_server(char *server_ip,  unsigned short server_port, int blkmode);int sock_accept(int server_sd,  struct sockaddr_in *rmt_addr, int blkmode);#endif