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
30 #if !defined(lint) && defined(SCCSIDS)
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.
46 #include <rpc/pmap_clnt.h>
47 #include <sys/socket.h>
52 # include <libio/iolibio.h>
57 char *(*p_progname) (char *);
60 xdrproc_t p_inproc, p_outproc;
61 struct proglst_ *p_nxt;
63 #ifdef _RPC_THREAD_SAFE_
64 #define proglst RPC_THREAD_VARIABLE(svcsimple_proglst_s)
66 static struct proglst_ *proglst;
70 static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
71 #ifdef _RPC_THREAD_SAFE_
72 #define transp RPC_THREAD_VARIABLE(svcsimple_transp_s)
74 static SVCXPRT *transp;
78 registerrpc (u_long prognum, u_long versnum, u_long procnum,
79 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
84 if (procnum == NULLPROC)
87 if (__asprintf (&buf, _("can't reassign procedure number %ld\n"),
94 transp = INTUSE(svcudp_create) (RPC_ANYSOCK);
97 buf = strdup (_("couldn't create an rpc server\n"));
101 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
102 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
103 universal, IPPROTO_UDP))
105 if (__asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
106 prognum, versnum) < 0)
110 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
113 buf = strdup (_("registerrpc: out of memory\n"));
116 pl->p_progname = progname;
117 pl->p_prognum = prognum;
118 pl->p_procnum = procnum;
119 pl->p_inproc = inproc;
120 pl->p_outproc = outproc;
128 (void) __fxprintf (NULL, "%s", buf);
134 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
138 char xdrbuf[UDPMSGSIZE];
143 * enforce "procnum 0 is echo" convention
145 if (rqstp->rq_proc == NULLPROC)
147 if (INTUSE(svc_sendreply) (transp_l, (xdrproc_t)INTUSE(xdr_void),
148 (char *) NULL) == FALSE)
150 __write (STDERR_FILENO, "xxx\n", 4);
155 prog = rqstp->rq_prog;
156 proc = rqstp->rq_proc;
157 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
158 if (pl->p_prognum == prog && pl->p_procnum == proc)
160 /* decode arguments into a CLEAN buffer */
161 __bzero (xdrbuf, sizeof (xdrbuf)); /* required ! */
162 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
164 INTUSE(svcerr_decode) (transp_l);
167 outdata = (*(pl->p_progname)) (xdrbuf);
168 if (outdata == NULL && pl->p_outproc != (xdrproc_t)INTUSE(xdr_void))
169 /* there was an error */
171 if (!INTUSE(svc_sendreply) (transp_l, pl->p_outproc, outdata))
173 if (__asprintf (&buf, _("trouble replying to prog %d\n"),
178 /* free the decoded arguments */
179 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
182 if (__asprintf (&buf, _("never registered prog %d\n"), prog) < 0)
187 __fxprintf (NULL, "%s", buf);