amq_svc.c revision 119679 
1/*
2 * Copyright (c) 1997-2003 Erez Zadok
3 * Copyright (c) 1990 Jan-Simon Pendry
4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgment:
21 *      This product includes software developed by the University of
22 *      California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 *      %W% (Berkeley) %G%
40 *
41 * $Id: amq_svc.c,v 1.4.2.4 2002/12/27 22:44:33 ezk Exp $
42 *
43 */
44
45#ifdef HAVE_CONFIG_H
46# include <config.h>
47#endif /* HAVE_CONFIG_H */
48#include <am_defs.h>
49#include <amd.h>
50
51/* typedefs */
52typedef char *(*amqsvcproc_t)(voidp, struct svc_req *);
53
54
55void
56amq_program_1(struct svc_req *rqstp, SVCXPRT *transp)
57{
58  union {
59    amq_string amqproc_mnttree_1_arg;
60    amq_string amqproc_umnt_1_arg;
61    amq_setopt amqproc_setopt_1_arg;
62  } argument;
63  char *result;
64  xdrproc_t xdr_argument, xdr_result;
65  amqsvcproc_t local;
66
67  switch (rqstp->rq_proc) {
68
69  case AMQPROC_NULL:
70    xdr_argument = (xdrproc_t) xdr_void;
71    xdr_result = (xdrproc_t) xdr_void;
72    local = (amqsvcproc_t) amqproc_null_1_svc;
73    break;
74
75  case AMQPROC_MNTTREE:
76    xdr_argument = (xdrproc_t) xdr_amq_string;
77    xdr_result = (xdrproc_t) xdr_amq_mount_tree_p;
78    local = (amqsvcproc_t) amqproc_mnttree_1_svc;
79    break;
80
81  case AMQPROC_UMNT:
82    xdr_argument = (xdrproc_t) xdr_amq_string;
83    xdr_result = (xdrproc_t) xdr_void;
84    local = (amqsvcproc_t) amqproc_umnt_1_svc;
85    break;
86
87  case AMQPROC_STATS:
88    xdr_argument = (xdrproc_t) xdr_void;
89    xdr_result = (xdrproc_t) xdr_amq_mount_stats;
90    local = (amqsvcproc_t) amqproc_stats_1_svc;
91    break;
92
93  case AMQPROC_EXPORT:
94    xdr_argument = (xdrproc_t) xdr_void;
95    xdr_result = (xdrproc_t) xdr_amq_mount_tree_list;
96    local = (amqsvcproc_t) amqproc_export_1_svc;
97    break;
98
99  case AMQPROC_SETOPT:
100    xdr_argument = (xdrproc_t) xdr_amq_setopt;
101    xdr_result = (xdrproc_t) xdr_int;
102    local = (amqsvcproc_t) amqproc_setopt_1_svc;
103    break;
104
105  case AMQPROC_GETMNTFS:
106    xdr_argument = (xdrproc_t) xdr_void;
107    xdr_result = (xdrproc_t) xdr_amq_mount_info_qelem;
108    local = (amqsvcproc_t) amqproc_getmntfs_1_svc;
109    break;
110
111  case AMQPROC_GETVERS:
112    xdr_argument = (xdrproc_t) xdr_void;
113    xdr_result = (xdrproc_t) xdr_amq_string;
114    local = (amqsvcproc_t) amqproc_getvers_1_svc;
115    break;
116
117  case AMQPROC_GETPID:
118    xdr_argument = (xdrproc_t) xdr_void;
119    xdr_result = (xdrproc_t) xdr_int;
120    local = (amqsvcproc_t) amqproc_getpid_1_svc;
121    break;
122
123  default:
124    svcerr_noproc(transp);
125    return;
126  }
127
128  memset((char *) &argument, 0, sizeof(argument));
129  if (!svc_getargs(transp,
130		   (XDRPROC_T_TYPE) xdr_argument,
131		   (SVC_IN_ARG_TYPE) & argument)) {
132    svcerr_decode(transp);
133    return;
134  }
135
136  result = (*local) (&argument, rqstp);
137
138  if (result != NULL && !svc_sendreply(transp,
139				       (XDRPROC_T_TYPE) xdr_result,
140				       result)) {
141    svcerr_systemerr(transp);
142  }
143
144  if (!svc_freeargs(transp,
145		    (XDRPROC_T_TYPE) xdr_argument,
146		    (SVC_IN_ARG_TYPE) & argument)) {
147    plog(XLOG_FATAL, "unable to free rpc arguments in amqprog_1");
148    going_down(1);
149  }
150}
151