xref: /openbsd/lib/libc/rpc/svc_raw.c (revision d485f761)
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 *rcsid = "$OpenBSD: svc_raw.c,v 1.6 2001/09/15 13:51:01 deraadt Exp $";
32 #endif /* LIBC_SCCS and not lint */
33 
34 /*
35  * svc_raw.c,   This a toy for simple testing and timing.
36  * Interface to create an rpc client and server in the same UNIX process.
37  * This lets us similate rpc and get rpc (round trip) overhead, without
38  * any interference from the kernal.
39  *
40  * Copyright (C) 1984, Sun Microsystems, Inc.
41  */
42 
43 #include <stdlib.h>
44 #include <rpc/rpc.h>
45 
46 
47 /*
48  * This is the "network" that we will be moving data over
49  */
50 static struct svcraw_private {
51 	char	_raw_buf[UDPMSGSIZE];
52 	SVCXPRT	server;
53 	XDR	xdr_stream;
54 	char	verf_body[MAX_AUTH_BYTES];
55 } *svcraw_private;
56 
57 static bool_t		svcraw_recv();
58 static enum xprt_stat 	svcraw_stat();
59 static bool_t		svcraw_getargs();
60 static bool_t		svcraw_reply();
61 static bool_t		svcraw_freeargs();
62 static void		svcraw_destroy();
63 
64 static struct xp_ops server_ops = {
65 	svcraw_recv,
66 	svcraw_stat,
67 	svcraw_getargs,
68 	svcraw_reply,
69 	svcraw_freeargs,
70 	svcraw_destroy
71 };
72 
73 SVCXPRT *
74 svcraw_create()
75 {
76 	struct svcraw_private *srp = svcraw_private;
77 
78 	if (srp == NULL) {
79 		srp = (struct svcraw_private *)calloc(1, sizeof (*srp));
80 		if (srp == NULL)
81 			return (NULL);
82 	}
83 	srp->server.xp_sock = 0;
84 	srp->server.xp_port = 0;
85 	srp->server.xp_ops = &server_ops;
86 	srp->server.xp_verf.oa_base = srp->verf_body;
87 	xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
88 	return (&srp->server);
89 }
90 
91 static enum xprt_stat
92 svcraw_stat()
93 {
94 
95 	return (XPRT_IDLE);
96 }
97 
98 /* ARGSUSED */
99 static bool_t
100 svcraw_recv(xprt, msg)
101 	SVCXPRT *xprt;
102 	struct rpc_msg *msg;
103 {
104 	struct svcraw_private *srp = svcraw_private;
105 	XDR *xdrs;
106 
107 	if (srp == NULL)
108 		return (0);
109 	xdrs = &srp->xdr_stream;
110 	xdrs->x_op = XDR_DECODE;
111 	XDR_SETPOS(xdrs, 0);
112 	if (! xdr_callmsg(xdrs, msg))
113 	       return (FALSE);
114 	return (TRUE);
115 }
116 
117 /* ARGSUSED */
118 static bool_t
119 svcraw_reply(xprt, msg)
120 	SVCXPRT *xprt;
121 	struct rpc_msg *msg;
122 {
123 	struct svcraw_private *srp = svcraw_private;
124 	XDR *xdrs;
125 
126 	if (srp == NULL)
127 		return (FALSE);
128 	xdrs = &srp->xdr_stream;
129 	xdrs->x_op = XDR_ENCODE;
130 	XDR_SETPOS(xdrs, 0);
131 	if (! xdr_replymsg(xdrs, msg))
132 	       return (FALSE);
133 	(void)XDR_GETPOS(xdrs);  /* called just for overhead */
134 	return (TRUE);
135 }
136 
137 /* ARGSUSED */
138 static bool_t
139 svcraw_getargs(xprt, xdr_args, args_ptr)
140 	SVCXPRT *xprt;
141 	xdrproc_t xdr_args;
142 	caddr_t args_ptr;
143 {
144 	struct svcraw_private *srp = svcraw_private;
145 
146 	if (srp == NULL)
147 		return (FALSE);
148 	return ((*xdr_args)(&srp->xdr_stream, args_ptr));
149 }
150 
151 /* ARGSUSED */
152 static bool_t
153 svcraw_freeargs(xprt, xdr_args, args_ptr)
154 	SVCXPRT *xprt;
155 	xdrproc_t xdr_args;
156 	caddr_t args_ptr;
157 {
158 	struct svcraw_private *srp = svcraw_private;
159 	XDR *xdrs;
160 
161 	if (srp == NULL)
162 		return (FALSE);
163 	xdrs = &srp->xdr_stream;
164 	xdrs->x_op = XDR_FREE;
165 	return ((*xdr_args)(xdrs, args_ptr));
166 }
167 
168 static void
169 svcraw_destroy()
170 {
171 }
172