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/*
* Copyright (c) 1995 John Hay. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by John Hay.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY John Hay 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 John Hay 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.
*
* $FreeBSD$
*/
#ifndef _SAP_H_
#define _SAP_H_
#define SAP_REQ 1
#define SAP_RESP 2
#define SAP_REQ_NEAR 3
#define SAP_RESP_NEAR 4
#define SAPCMD_MAX 5
#ifdef SAPCMDS
char *sapcmds[SAPCMD_MAX] =
{ "#0", "REQUEST", "RESPONSE", "REQ NEAREST", "RESP NEAREST"};
#endif
#define MAXSAPENTRIES 7
#define SAP_WILDCARD 0xFFFF
#define SERVNAMELEN 48
typedef struct sap_info {
u_short ServType;
char ServName[SERVNAMELEN];
struct ipx_addr ipx;
u_short hops;
}sap_info;
typedef struct sap_packet {
u_short sap_cmd;
sap_info sap[0]; /* Variable length. */
}sap_packet;
typedef struct sap_entry {
struct sap_entry *forw;
struct sap_entry *back;
struct sap_entry *clone;
struct interface *ifp;
struct sap_info sap;
struct sockaddr source;
int hash;
int state;
int timer;
}sap_entry;
#define SAPHASHSIZ 256 /* Should be a power of 2 */
#define SAPHASHMASK (SAPHASHSIZ-1)
typedef struct sap_hash {
struct sap_entry *forw;
struct sap_entry *back;
}sap_hash;
extern sap_hash sap_head[SAPHASHSIZ];
extern struct sap_packet *sap_msg;
void sapinit(void);
void sap_input(struct sockaddr *from, int size);
void sapsndmsg(struct sockaddr *dst, int flags, struct interface *ifp,
int changesonly);
void sap_supply_toall(int changesonly);
void sap_supply(struct sockaddr *dst,
int flags,
struct interface *ifp,
int ServType,
int changesonly);
struct sap_entry *sap_lookup(u_short ServType, char *ServName);
struct sap_entry *sap_nearestserver(ushort ServType, struct interface *ifp);
void sap_add(struct sap_info *si, struct sockaddr *from);
void sap_change(struct sap_entry *sap,
struct sap_info *si,
struct sockaddr *from);
void sap_add_clone(struct sap_entry *sap,
struct sap_info *clone,
struct sockaddr *from);
void sap_delete(struct sap_entry *sap);
#endif /*_SAP_H_*/
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