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ipxsap.h
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1996-02-01
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96 lines
/*
IPX support library
Copyright (C) 1994, 1995 Ales Dryak <e-mail: A.Dryak@sh.cvut.cz>
Copyright (C) 1996, Volker Lendecke <lendecke@namu01.gwdg.de>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __IPXSAP_H__
#define __IPXSAP_H__
#include <stdio.h>
#include "ipxutil.h"
#define IPX_SAP_PORT (0x452U)
#define IPX_SAP_PTYPE (4U)
#define IPX_SAP_OP_REQUEST (1U)
#define IPX_SAP_GENERAL_RQ (0xFFFFU)
#define IPX_SAP_OP_RESPONSE (2U)
#define IPX_SAP_OP_GNS_REQUEST (3U)
#define IPX_SAP_OP_GNS_RESPONSE (4U)
#define IPX_SAP_MAX_ENTRIES (7U)
#define IPX_SAP_SERVER_DOWN (16U)
#define IPX_SAP_SERVER_NAME_LEN (48U)
#define IPX_SAP_REQUEST_LEN (4U)
typedef unsigned short int ser_type_t;
typedef char ser_name_t[IPX_SAP_SERVER_NAME_LEN];
struct sap_entry
{
ser_type_t ser_type __attribute__ ((packed));
ser_name_t ser_name __attribute__ ((packed));
IPXNet network __attribute__ ((packed));
IPXNode node __attribute__ ((packed));
IPXPort port __attribute__ ((packed));
hop_t hops __attribute__ ((packed));
};
struct sap_packet
{
unsigned short int operation __attribute__ ((packed));
struct sap_entry sap_entries[IPX_SAP_MAX_ENTRIES]
__attribute__ ((packed));
};
int ipx_sap_size(int n,unsigned short int operation);
void ipx_sap_dump(struct sap_packet *pkt,int len);
void ipx_sap_fdump(FILE *file,struct sap_packet *pkt,int len);
void ipx_sap_assign_ser_name(ser_name_t dest,ser_name_t src);
void ipx_sap_fprint_name(FILE *file,ser_name_t sname);
int ipx_sap_name_equal(ser_name_t n1,ser_name_t n2);
int ipx_sap_type_equal(ser_type_t t1,ser_type_t t2);
struct sap_output
{
struct sockaddr_ipx dest_addr;
int sk; /* the socket to send/receive on */
int send_error;
int entries;
struct sap_packet buffer;
};
int ipx_sap_output_init(struct sap_output *out,IPXNet iface);
void ipx_sap_output_flush(struct sap_output *out);
void ipx_sap_output_request(struct sap_output *out,ser_type_t ser_type);
void ipx_sap_output_gns_request(struct sap_output *out,ser_type_t ser_type);
void ipx_sap_output_response(struct sap_output *out,ser_type_t type,
ser_name_t name,struct sockaddr_ipx *addr,
hop_t hops,int down_allow);
void ipx_sap_output_gns_response(struct sap_output *out,ser_type_t type,
ser_name_t name,struct sockaddr_ipx *addr,
hop_t hops);
void ipx_sap_output_set_destination(struct sap_output *out,IPXNode node,
IPXPort port);
extern int (*ipx_sap_output_func)(int sock, void *buffer,int size,
struct sockaddr_ipx *daddr);
#endif