1 /* @(#)svc_simple.c 2.2 88/08/01 4.0 RPCSRC */
3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4 * unrestricted use provided that this legend is included on all tape
5 * media and as a part of the software program in whole or part. Users
6 * may copy or modify Sun RPC without charge, but are not authorized
7 * to license or distribute it to anyone else except as part of a product or
8 * program developed by the user.
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
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26 * Sun Microsystems, Inc.
28 * Mountain View, California 94043
31 static char sccsid[] = "@(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro";
36 * Simplified front end to rpc.
38 * Copyright (C) 1984, Sun Microsystems, Inc.
47 #include "rpc_private.h"
48 #include <rpc/pmap_clnt.h>
49 #include <sys/socket.h>
54 # include <libio/iolibio.h>
55 # define fputs(s, f) _IO_fputs (s, f)
60 char *(*p_progname) (char *);
63 xdrproc_t p_inproc, p_outproc;
64 struct proglst_ *p_nxt;
66 #ifdef __UCLIBC_HAS_THREADS__
67 #define proglst (*(struct proglst_ **)&RPC_THREAD_VARIABLE(svcsimple_proglst_s))
69 static struct proglst_ *proglst;
73 static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
74 #ifdef __UCLIBC_HAS_THREADS__
75 #define transp (*(SVCXPRT **)&RPC_THREAD_VARIABLE(svcsimple_transp_s))
77 static SVCXPRT *transp;
81 registerrpc (u_long prognum, u_long versnum, u_long procnum,
82 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
87 if (procnum == NULLPROC)
90 (void) asprintf (&buf, _("can't reassign procedure number %ld\n"),
96 transp = svcudp_create (RPC_ANYSOCK);
99 buf = __strdup (_("couldn't create an rpc server\n"));
103 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
104 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
105 universal, IPPROTO_UDP))
107 (void) asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
111 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
114 buf = __strdup (_("registerrpc: out of memory\n"));
117 pl->p_progname = progname;
118 pl->p_prognum = prognum;
119 pl->p_procnum = procnum;
120 pl->p_inproc = inproc;
121 pl->p_outproc = outproc;
128 if (_IO_fwide (stderr, 0) > 0)
129 (void) __fwprintf (stderr, L"%s", buf);
132 (void) fputs (buf, stderr);
138 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
142 char xdrbuf[UDPMSGSIZE];
147 * enforce "procnum 0 is echo" convention
149 if (rqstp->rq_proc == NULLPROC)
151 if (svc_sendreply (transp_l, (xdrproc_t)xdr_void, (char *) NULL) == FALSE)
153 __write (STDERR_FILENO, "xxx\n", 4);
158 prog = rqstp->rq_prog;
159 proc = rqstp->rq_proc;
160 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
161 if (pl->p_prognum == prog && pl->p_procnum == proc)
163 /* decode arguments into a CLEAN buffer */
164 __memset (xdrbuf, 0, sizeof (xdrbuf)); /* required ! */
165 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
167 svcerr_decode (transp_l);
170 outdata = (*(pl->p_progname)) (xdrbuf);
171 if (outdata == NULL && pl->p_outproc != (xdrproc_t)xdr_void)
172 /* there was an error */
174 if (!svc_sendreply (transp_l, pl->p_outproc, outdata))
176 (void) asprintf (&buf,
177 _("trouble replying to prog %d\n"),
181 /* free the decoded arguments */
182 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
185 (void) asprintf (&buf, _("never registered prog %d\n"), prog);
187 if (_IO_fwide (stderr, 0) > 0)
188 __fwprintf (stderr, L"%s", buf);