source: rtems/cpukit/librpc/src/rpc/svc_simple.c @ 5220ae2

4.104.114.84.9
Last change on this file since 5220ae2 was 5220ae2, checked in by Ralf Corsepius <ralf.corsepius@…>, on Nov 21, 2004 at 5:33:00 AM

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

  • librpc/include/rpc/types.h: Include <rtems/stdint.h>.
  • librpc/src/rpc/clnt_raw.c, librpc/src/rpc/rpcdname.c, librpc/src/rpc/rtems_portmapper.c, librpc/src/rpc/svc.c, librpc/src/rpc/svc_simple.c: Misc. cast-related fixes. Convert to ANSI.
  • 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(
65        int prognum,
66        int versnum,
67        int procnum,
68        char *(*progname)(),
69        xdrproc_t inproc,
70        xdrproc_t outproc )
71{
72
73        if (procnum == NULLPROC) {
74                (void) fprintf(stderr,
75                    "can't reassign procedure number %ld\n", NULLPROC);
76                return (-1);
77        }
78        if (transp == 0) {
79                transp = svcudp_create(RPC_ANYSOCK);
80                if (transp == NULL) {
81                        (void) fprintf(stderr, "couldn't create an rpc server\n");
82                        return (-1);
83                }
84        }
85        (void) pmap_unset((u_long)prognum, (u_long)versnum);
86        if (!svc_register(transp, (u_long)prognum, (u_long)versnum,
87            universal, IPPROTO_UDP)) {
88                (void) fprintf(stderr, "couldn't register prog %d vers %d\n",
89                    prognum, versnum);
90                return (-1);
91        }
92        pl = (struct prog_lst *)malloc(sizeof(struct prog_lst));
93        if (pl == NULL) {
94                (void) fprintf(stderr, "registerrpc: out of memory\n");
95                return (-1);
96        }
97        pl->p_progname = progname;
98        pl->p_prognum = prognum;
99        pl->p_procnum = procnum;
100        pl->p_inproc = inproc;
101        pl->p_outproc = outproc;
102        pl->p_nxt = proglst;
103        proglst = pl;
104        return (0);
105}
106
107static void
108universal(
109        struct svc_req *rqstp,
110        SVCXPRT *atransp )
111{
112        int prog, proc;
113        char *outdata;
114        char xdrbuf[UDPMSGSIZE];
115        struct prog_lst *lpl;
116
117        /*
118         * enforce "procnum 0 is echo" convention
119         */
120        if (rqstp->rq_proc == NULLPROC) {
121                if (svc_sendreply(atransp, xdr_void, NULL) == FALSE) {
122                        (void) fprintf(stderr, "xxx\n");
123                        exit(1);
124                }
125                return;
126        }
127        prog = rqstp->rq_prog;
128        proc = rqstp->rq_proc;
129        for (lpl = proglst; lpl != NULL; lpl = lpl->p_nxt)
130                if (lpl->p_prognum == prog && lpl->p_procnum == proc) {
131                        /* decode arguments into a CLEAN buffer */
132                        memset(xdrbuf, 0, sizeof(xdrbuf)); /* required ! */
133                        if (!svc_getargs(atransp, lpl->p_inproc, xdrbuf)) {
134                                svcerr_decode(atransp);
135                                return;
136                        }
137                        outdata = (*(lpl->p_progname))(xdrbuf);
138                        if (outdata == NULL && lpl->p_outproc != xdr_void)
139                                /* there was an error */
140                                return;
141                        if (!svc_sendreply(atransp, lpl->p_outproc, outdata)) {
142                                (void) fprintf(stderr,
143                                    "trouble replying to prog %d\n",
144                                    lpl->p_prognum);
145                                exit(1);
146                        }
147                        /* free the decoded arguments */
148                        (void)svc_freeargs(atransp, lpl->p_inproc, xdrbuf);
149                        return;
150                }
151        (void) fprintf(stderr, "never registered prog %d\n", prog);
152        exit(1);
153}
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