/*	libdrcom - Library for communicating with DrCOM 2133 Broadband Access Server	Copyright (C) 2005 William Poetra Yoga Hadisoeseno <williampoetra@yahoo.com>	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 of the License, or	(at your option) any later version.	This program 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*/#include <string.h>#include <sys/types.h>#include <sys/socket.h>#include "private.h"/* drcom_init	Calls _readconf to initialize the variables for passing to the server, then	initializes sockets and returns.*/int drcom_init(struct drcom_handle *h, void (*msgprint)(const char *)){	struct drcom_conf *conf = (struct drcom_conf *) h->conf;	struct drcom_socks *socks = (struct drcom_socks *) h->socks;	struct drcom_info *info = (struct drcom_info *) h->info;	struct drcom_host *host = (struct drcom_host *) h->host;	int r;	/* Read config file and actually initialize host and info		 with the config data */	r = _readconf(conf, info, host);	if (r)		return r;	/* Initialize sockets */	socks->hostaddr_in.sin_family = AF_INET;	socks->hostaddr_in.sin_port = htons(info->hostport);	socks->hostaddr_in.sin_addr.s_addr = info->hostip;	memset(socks->hostaddr_in.sin_zero, 0, sizeof(socks->hostaddr_in.sin_zero));	socks->servaddr_in.sin_family = AF_INET;	socks->servaddr_in.sin_port = htons(info->servport);	socks->servaddr_in.sin_addr.s_addr = info->servip;	memset(socks->servaddr_in.sin_zero, 0, sizeof(socks->servaddr_in.sin_zero));	socks->sockfd = socket(PF_INET, SOCK_DGRAM, 0);	if (socks->sockfd == -1)		return -1;	{	int on = 1;	r = setsockopt(socks->sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(int));	if( r < 0 )		return -1;	}	r = bind(socks->sockfd, 			(struct sockaddr *)&socks->hostaddr_in, sizeof(struct sockaddr));	if (r == -1)		return -1;	h->msgprint = msgprint;	return 0;}