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
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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
24 * Sun has been advised of the possibility of such damages.
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)
61 char *(*p_progname) (char *);
64 xdrproc_t p_inproc, p_outproc;
65 struct proglst_ *p_nxt;
67 #ifdef __UCLIBC_HAS_THREADS__
68 #define proglst (*(struct proglst_ **)&RPC_THREAD_VARIABLE(svcsimple_proglst_s))
70 static struct proglst_ *proglst;
74 static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
75 #ifdef __UCLIBC_HAS_THREADS__
76 #define transp (*(SVCXPRT **)&RPC_THREAD_VARIABLE(svcsimple_transp_s))
78 static SVCXPRT *transp;
81 int registerrpc (u_long prognum, u_long versnum, u_long procnum,
82 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc);
84 registerrpc (u_long prognum, u_long versnum, u_long procnum,
85 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
90 if (procnum == NULLPROC)
93 (void) asprintf (&buf, _("can't reassign procedure number %ld\n"),
99 transp = svcudp_create (RPC_ANYSOCK);
102 buf = strdup (_("couldn't create an rpc server\n"));
106 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
107 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
108 universal, IPPROTO_UDP))
110 (void) asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
114 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
117 buf = strdup (_("registerrpc: out of memory\n"));
120 pl->p_progname = progname;
121 pl->p_prognum = prognum;
122 pl->p_procnum = procnum;
123 pl->p_inproc = inproc;
124 pl->p_outproc = outproc;
131 if (_IO_fwide (stderr, 0) > 0)
132 (void) __fwprintf (stderr, L"%s", buf);
135 (void) fputs (buf, stderr);
141 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
145 char xdrbuf[UDPMSGSIZE];
150 * enforce "procnum 0 is echo" convention
152 if (rqstp->rq_proc == NULLPROC)
154 if (svc_sendreply (transp_l, (xdrproc_t)xdr_void, (char *) NULL) == FALSE)
156 write (STDERR_FILENO, "xxx\n", 4);
161 prog = rqstp->rq_prog;
162 proc = rqstp->rq_proc;
163 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
164 if (pl->p_prognum == prog && pl->p_procnum == proc)
166 /* decode arguments into a CLEAN buffer */
167 memset (xdrbuf, 0, sizeof (xdrbuf)); /* required ! */
168 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
170 svcerr_decode (transp_l);
173 outdata = (*(pl->p_progname)) (xdrbuf);
174 if (outdata == NULL && pl->p_outproc != (xdrproc_t)xdr_void)
175 /* there was an error */
177 if (!svc_sendreply (transp_l, pl->p_outproc, outdata))
179 (void) asprintf (&buf,
180 _("trouble replying to prog %d\n"),
184 /* free the decoded arguments */
185 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
188 (void) asprintf (&buf, _("never registered prog %d\n"), prog);
190 if (_IO_fwide (stderr, 0) > 0)
191 __fwprintf (stderr, L"%s", buf);