1130803Smarcel/*
2130803Smarcel * Copyright (c) 1996
3130803Smarcel *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
4130803Smarcel *
5130803Smarcel * Redistribution and use in source and binary forms, with or without
6130803Smarcel * modification, are permitted provided that the following conditions
7130803Smarcel * are met:
8130803Smarcel * 1. Redistributions of source code must retain the above copyright
9130803Smarcel *    notice, this list of conditions and the following disclaimer.
10130803Smarcel * 2. Redistributions in binary form must reproduce the above copyright
11130803Smarcel *    notice, this list of conditions and the following disclaimer in the
12130803Smarcel *    documentation and/or other materials provided with the distribution.
13130803Smarcel * 3. All advertising materials mentioning features or use of this software
14130803Smarcel *    must display the following acknowledgement:
15130803Smarcel *	This product includes software developed by Bill Paul.
16130803Smarcel * 4. Neither the name of the author nor the names of any co-contributors
17130803Smarcel *    may be used to endorse or promote products derived from this software
18130803Smarcel *    without specific prior written permission.
19130803Smarcel *
20130803Smarcel * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21130803Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22130803Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23130803Smarcel * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24130803Smarcel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25130803Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26130803Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27130803Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28130803Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29130803Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30130803Smarcel * SUCH DAMAGE.
31130803Smarcel */
32130803Smarcel
33130803Smarcel#include <sys/cdefs.h>
34130803Smarcel__FBSDID("$FreeBSD: releng/10.2/usr.sbin/ypserv/yp_svc_udp.c 114601 2003-05-03 21:06:42Z obrien $");
35130803Smarcel
36130803Smarcel#include <rpc/rpc.h>
37130803Smarcel#include <rpc/svc_dg.h>
38130803Smarcel#include "yp_extern.h"
39130803Smarcel
40130803Smarcel#define su_data(xprt)	((struct svc_dg_data *)(xprt->xp_p2))
41130803Smarcel
42130803Smarcel/*
43130803Smarcel * We need to be able to manually set the transaction ID in the
44130803Smarcel * UDP transport handle, but the standard library offers us no way
45130803Smarcel * to do that. Hence we need this garbage.
46 */
47
48unsigned long
49svcudp_get_xid(SVCXPRT *xprt)
50{
51	struct svc_dg_data *su;
52
53	if (xprt == NULL)
54		return(0);
55	su = su_data(xprt);
56	return(su->su_xid);
57}
58
59unsigned long
60svcudp_set_xid(SVCXPRT *xprt, unsigned long xid)
61{
62	struct svc_dg_data *su;
63	unsigned long old_xid;
64
65	if (xprt == NULL)
66		return(0);
67	su = su_data(xprt);
68	old_xid = su->su_xid;
69	su->su_xid = xid;
70	return(old_xid);
71}
72