/* File  sap.h  : This file contains the data structures  for the
    Service Advertising Protocol   */


/*
    Copyright (C) 1992 Indian Institute of Technology, Bombay
    Written by V. Srinivas and Vishwas Joglekar,
    Dept of Computer Science and Engineering.

    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 1, 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.
*/

/* Novell Server Types  */
#define  FILE_SERVER	0004


/* SAP packet types   */
#define SERV_IDENT_PKT         0002
#define GIVE_NEAREST_SERVER    0004
#define GET_NEAREST_SERVER     0003


#define  QUERY_PKT_SIZE	       0034

typedef struct{
	BYTE server_type[2];
	char server_name[48];
	INTERNET_ADDRESS sap_node;
	WORD	hops_to_server;
} SAP_INFO;


typedef struct{
	IPX_HEADER header;
	BYTE	resp_type[2];
	union {
	SAP_INFO   server_info[MAX_SERVERS]; /* server ident pkt  */
	BYTE  server_type[2]; /* service query broadcast */
	}sap_data;
}SAP_PKT;


struct sap_tbl{
	char server_name[48];
	INTERNET_ADDRESS server_address;
	WORD server_type;
	WORD hops_to_server;  /* high - low */
	WORD elapsed_time;  /* high - low */
	int dev;   /*   interface number  */
	struct sap_tbl *next;
};