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/*
* libvqproto: Vypress/QChat protocol interface library
* (c) Saulius Menkevicius 2005
*
* 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
*
* $Id: link.h,v 1.11 2005/03/08 17:21:36 bobas Exp $
*/
#ifndef __LINK_H
#define __LINK_H
/* header stuff */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef _WIN32
/* Win32 system */
# include <windows.h>
# include <winsock2.h>
# include <ws2tcpip.h>
# include <wsipx.h>
#else
/* UNIX system */
# include <sys/types.h>
# include <netinet/in.h>
# include <sys/socket.h>
# include <sys/time.h>
# include <unistd.h>
# include <netdb.h>
#endif
/* windows compatibility hacks
*/
#ifdef WIN32
#define ENETUNREACH ENOENT
#define ENOMSG ENOENT
#else
/* unix system */
#define closesocket close
#endif
/* link structure
*/
#define VQP_LINK_SEEN_SIGS_NUM 20
#define VQP_LINK_SIG_LEN 9
struct vqp_link_struct {
/* link info */
enum vqp_protocol_type protocol;
enum vqp_protocol_options options;
enum vqp_protocol_connection connection;
unsigned short port;
/* connection-specific data */
union vqp_link_conndata_union {
struct vqp_link_conndata_udp_struct {
unsigned long local_address;
unsigned long * p_broadcast_addresses;
unsigned long multicast_address;
} udp;
struct vqp_link_conndata_ipx_struct {
unsigned char netnum[4];
unsigned char nodenum[6];
} ipx;
} conndata;
/* link sockets */
int rx_socket, tx_socket;
/* keeps track packet sigs already seen */
unsigned int seen_sig_inc;
char seen_sigs[VQP_LINK_SEEN_SIGS_NUM][VQP_LINK_SIG_LEN];
};
#define P_VQP_LINK_STRUCT(p) ((struct vqp_link_struct *) p)
/* global data */
#ifdef MEMWATCH
# include "../contrib/memwatch.h"
# define vqp_mmi_malloc(s) malloc(s)
# define vqp_mmi_free(p) free(p)
#else
extern void * (* vqp_mmi_malloc)(size_t);
extern void (* vqp_mmi_free)(void *);
#endif
#endif /* __LINK_H */
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