source: rtems/cpukit/librpc/src/rpc/svc_simple.c @ ddb56f4

4.104.114.84.9
Last change on this file since ddb56f4 was ddb56f4, checked in by Ralf Corsepius <ralf.corsepius@…>, on Nov 21, 2004 at 4:45:39 AM

2004-11-21 Ralf Corsepius <ralf.corsepius@…>

  • librpc/include/rpc/rpc.h (struct _rtems_rpc_task_variables): Use pointers to types instead of void* to avoid casts.
  • librpc/src/rpc/clnt_perror.c, librpc/src/rpc/clnt_raw.c, librpc/src/rpc/clnt_simple.c, librpc/src/rpc/rpcdname.c, librpc/src/rpc/svc.c, librpc/src/rpc/svc_auth.c, librpc/src/rpc/svc_simple.c: Eliminate lvalue casts gcc-3.4 warns about.
  • Property mode set to 100644
File size: 4.3 KB
Line 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California  94043
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31/*static char *sccsid = "from: @(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro";*/
32/*static char *sccsid = "from: @(#)svc_simple.c 2.2 88/08/01 4.0 RPCSRC";*/
33static char *rcsid = "$FreeBSD: src/lib/libc/rpc/svc_simple.c,v 1.9 1999/08/28 00:00:50 peter Exp $";
34#endif
35
36/*
37 * svc_simple.c
38 * Simplified front end to rpc.
39 *
40 * Copyright (C) 1984, Sun Microsystems, Inc.
41 */
42
43#include <stdio.h>
44#include <stdlib.h>
45#include <string.h>
46#include <rpc/rpc.h>
47#include <rpc/pmap_clnt.h>
48#include <sys/socket.h>
49#include <netdb.h>
50
51struct prog_lst {
52        char *(*p_progname)();
53        int  p_prognum;
54        int  p_procnum;
55        xdrproc_t p_inproc, p_outproc;
56        struct prog_lst *p_nxt;
57};
58static void universal();
59#define proglst (rtems_rpc_task_variables->svc_simple_proglst)
60#define pl (rtems_rpc_task_variables->svc_simple_pl)
61#define transp (rtems_rpc_task_variables->svc_simple_transp)
62
63int
64registerrpc(prognum, versnum, procnum, progname, inproc, outproc)
65        int prognum, versnum, procnum;
66        char *(*progname)();
67        xdrproc_t inproc, outproc;
68{
69
70        if (procnum == NULLPROC) {
71                (void) fprintf(stderr,
72                    "can't reassign procedure number %ld\n", NULLPROC);
73                return (-1);
74        }
75        if (transp == 0) {
76                transp = svcudp_create(RPC_ANYSOCK);
77                if (transp == NULL) {
78                        (void) fprintf(stderr, "couldn't create an rpc server\n");
79                        return (-1);
80                }
81        }
82        (void) pmap_unset((u_long)prognum, (u_long)versnum);
83        if (!svc_register(transp, (u_long)prognum, (u_long)versnum,
84            universal, IPPROTO_UDP)) {
85                (void) fprintf(stderr, "couldn't register prog %d vers %d\n",
86                    prognum, versnum);
87                return (-1);
88        }
89        pl = (struct prog_lst *)malloc(sizeof(struct prog_lst));
90        if (pl == NULL) {
91                (void) fprintf(stderr, "registerrpc: out of memory\n");
92                return (-1);
93        }
94        pl->p_progname = progname;
95        pl->p_prognum = prognum;
96        pl->p_procnum = procnum;
97        pl->p_inproc = inproc;
98        pl->p_outproc = outproc;
99        pl->p_nxt = proglst;
100        proglst = pl;
101        return (0);
102}
103
104static void
105universal(rqstp, atransp)
106        struct svc_req *rqstp;
107        SVCXPRT *atransp;
108{
109        int prog, proc;
110        char *outdata;
111        char xdrbuf[UDPMSGSIZE];
112        struct prog_lst *lpl;
113
114        /*
115         * enforce "procnum 0 is echo" convention
116         */
117        if (rqstp->rq_proc == NULLPROC) {
118                if (svc_sendreply(atransp, xdr_void, NULL) == FALSE) {
119                        (void) fprintf(stderr, "xxx\n");
120                        exit(1);
121                }
122                return;
123        }
124        prog = rqstp->rq_prog;
125        proc = rqstp->rq_proc;
126        for (lpl = proglst; lpl != NULL; lpl = lpl->p_nxt)
127                if (lpl->p_prognum == prog && lpl->p_procnum == proc) {
128                        /* decode arguments into a CLEAN buffer */
129                        memset(xdrbuf, 0, sizeof(xdrbuf)); /* required ! */
130                        if (!svc_getargs(atransp, lpl->p_inproc, xdrbuf)) {
131                                svcerr_decode(atransp);
132                                return;
133                        }
134                        outdata = (*(lpl->p_progname))(xdrbuf);
135                        if (outdata == NULL && lpl->p_outproc != xdr_void)
136                                /* there was an error */
137                                return;
138                        if (!svc_sendreply(atransp, lpl->p_outproc, outdata)) {
139                                (void) fprintf(stderr,
140                                    "trouble replying to prog %d\n",
141                                    lpl->p_prognum);
142                                exit(1);
143                        }
144                        /* free the decoded arguments */
145                        (void)svc_freeargs(atransp, lpl->p_inproc, xdrbuf);
146                        return;
147                }
148        (void) fprintf(stderr, "never registered prog %d\n", prog);
149        exit(1);
150}
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