1 /* $OpenBSD: svc_raw.c,v 1.9 2005/08/08 08:05:35 espie Exp $ */
2 /*
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.
9 *
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.
13 *
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.
17 *
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.
21 *
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.
25 *
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
29 */
30
31 /*
32 * svc_raw.c, This a toy for simple testing and timing.
33 * Interface to create an rpc client and server in the same UNIX process.
34 * This lets us similate rpc and get rpc (round trip) overhead, without
35 * any interference from the kernel.
36 *
37 * Copyright (C) 1984, Sun Microsystems, Inc.
38 */
39
40 #include <stdlib.h>
41 #include <rpc/rpc.h>
42
43
44 /*
45 * This is the "network" that we will be moving data over
46 */
47 static struct svcraw_private {
48 char _raw_buf[UDPMSGSIZE];
49 SVCXPRT server;
50 XDR xdr_stream;
51 char verf_body[MAX_AUTH_BYTES];
52 } *svcraw_private;
53
54 static bool_t svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg);
55 static enum xprt_stat svcraw_stat(SVCXPRT *xprt);
56 static bool_t svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args,
57 caddr_t args_ptr);
58 static bool_t svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg);
59 static bool_t svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args,
60 caddr_t args_ptr);
61 static void svcraw_destroy(SVCXPRT *xprt);
62
63 static struct xp_ops server_ops = {
64 svcraw_recv,
65 svcraw_stat,
66 svcraw_getargs,
67 svcraw_reply,
68 svcraw_freeargs,
69 svcraw_destroy
70 };
71
72 SVCXPRT *
svcraw_create(void)73 svcraw_create(void)
74 {
75 struct svcraw_private *srp = svcraw_private;
76
77 if (srp == NULL) {
78 srp = (struct svcraw_private *)calloc(1, sizeof (*srp));
79 if (srp == NULL)
80 return (NULL);
81 }
82 srp->server.xp_sock = 0;
83 srp->server.xp_port = 0;
84 srp->server.xp_ops = &server_ops;
85 srp->server.xp_verf.oa_base = srp->verf_body;
86 xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
87 return (&srp->server);
88 }
89
90 /* ARGSUSED */
91 static enum xprt_stat
svcraw_stat(SVCXPRT * xprt)92 svcraw_stat(SVCXPRT *xprt)
93 {
94
95 return (XPRT_IDLE);
96 }
97
98 /* ARGSUSED */
99 static bool_t
svcraw_recv(SVCXPRT * xprt,struct rpc_msg * msg)100 svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg)
101 {
102 struct svcraw_private *srp = svcraw_private;
103 XDR *xdrs;
104
105 if (srp == NULL)
106 return (0);
107 xdrs = &srp->xdr_stream;
108 xdrs->x_op = XDR_DECODE;
109 XDR_SETPOS(xdrs, 0);
110 if (! xdr_callmsg(xdrs, msg))
111 return (FALSE);
112 return (TRUE);
113 }
114
115 /* ARGSUSED */
116 static bool_t
svcraw_reply(SVCXPRT * xprt,struct rpc_msg * msg)117 svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg)
118 {
119 struct svcraw_private *srp = svcraw_private;
120 XDR *xdrs;
121
122 if (srp == NULL)
123 return (FALSE);
124 xdrs = &srp->xdr_stream;
125 xdrs->x_op = XDR_ENCODE;
126 XDR_SETPOS(xdrs, 0);
127 if (! xdr_replymsg(xdrs, msg))
128 return (FALSE);
129 (void)XDR_GETPOS(xdrs); /* called just for overhead */
130 return (TRUE);
131 }
132
133 /* ARGSUSED */
134 static bool_t
svcraw_getargs(SVCXPRT * xprt,xdrproc_t xdr_args,caddr_t args_ptr)135 svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
136 {
137 struct svcraw_private *srp = svcraw_private;
138
139 if (srp == NULL)
140 return (FALSE);
141 return ((*xdr_args)(&srp->xdr_stream, args_ptr));
142 }
143
144 /* ARGSUSED */
145 static bool_t
svcraw_freeargs(SVCXPRT * xprt,xdrproc_t xdr_args,caddr_t args_ptr)146 svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
147 {
148 struct svcraw_private *srp = svcraw_private;
149 XDR *xdrs;
150
151 if (srp == NULL)
152 return (FALSE);
153 xdrs = &srp->xdr_stream;
154 xdrs->x_op = XDR_FREE;
155 return ((*xdr_args)(xdrs, args_ptr));
156 }
157
158 /* ARGSUSED */
159 static void
svcraw_destroy(SVCXPRT * xprt)160 svcraw_destroy(SVCXPRT *xprt)
161 {
162 }
163