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.
44 #include <rpc/pmap_clnt.h>
45 #include <sys/socket.h>
49 # include <libio/iolibio.h>
50 # define fputs(s, f) _IO_fputs (s, f)
55 char *(*p_progname
) (char *);
58 xdrproc_t p_inproc
, p_outproc
;
59 struct proglst
*p_nxt
;
63 static void universal (struct svc_req
*rqstp
, SVCXPRT
*transp
);
64 static SVCXPRT
*transp
;
67 registerrpc (u_long prognum
, u_long versnum
, u_long procnum
,
68 char *(*progname
) (char *), xdrproc_t inproc
, xdrproc_t outproc
)
72 if (procnum
== NULLPROC
)
74 (void) fprintf (stderr
,
75 _("can't reassign procedure number %d\n"), NULLPROC
);
80 transp
= svcudp_create (RPC_ANYSOCK
);
83 (void) fputs (_("couldn't create an rpc server\n"), stderr
);
87 (void) pmap_unset ((u_long
) prognum
, (u_long
) versnum
);
88 if (!svc_register (transp
, (u_long
) prognum
, (u_long
) versnum
,
89 universal
, IPPROTO_UDP
))
91 (void) fprintf (stderr
, _("couldn't register prog %d vers %d\n"),
95 pl
= (struct proglst
*) malloc (sizeof (struct proglst
));
98 (void) fprintf (stderr
, _("registerrpc: out of memory\n"));
101 pl
->p_progname
= progname
;
102 pl
->p_prognum
= prognum
;
103 pl
->p_procnum
= procnum
;
104 pl
->p_inproc
= inproc
;
105 pl
->p_outproc
= outproc
;
112 universal (struct svc_req
*rqstp
, SVCXPRT
*transp
)
116 char xdrbuf
[UDPMSGSIZE
];
120 * enforce "procnum 0 is echo" convention
122 if (rqstp
->rq_proc
== NULLPROC
)
124 if (svc_sendreply (transp
, (xdrproc_t
)xdr_void
, (char *) NULL
) == FALSE
)
126 (void) fprintf (stderr
, "xxx\n");
131 prog
= rqstp
->rq_prog
;
132 proc
= rqstp
->rq_proc
;
133 for (pl
= proglst
; pl
!= NULL
; pl
= pl
->p_nxt
)
134 if (pl
->p_prognum
== prog
&& pl
->p_procnum
== proc
)
136 /* decode arguments into a CLEAN buffer */
137 __bzero (xdrbuf
, sizeof (xdrbuf
)); /* required ! */
138 if (!svc_getargs (transp
, pl
->p_inproc
, xdrbuf
))
140 svcerr_decode (transp
);
143 outdata
= (*(pl
->p_progname
)) (xdrbuf
);
144 if (outdata
== NULL
&& pl
->p_outproc
!= (xdrproc_t
)xdr_void
)
145 /* there was an error */
147 if (!svc_sendreply (transp
, pl
->p_outproc
, outdata
))
149 (void) fprintf (stderr
,
150 _ ("trouble replying to prog %d\n"),
154 /* free the decoded arguments */
155 (void) svc_freeargs (transp
, pl
->p_inproc
, xdrbuf
);
158 (void) fprintf (stderr
, _ ("never registered prog %d\n"), prog
);