svc_raw.c revision 1.15 1 /* $NetBSD: svc_raw.c,v 1.15 2001/01/04 14:42:22 lukem Exp $ */
2
3 /*
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part. Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user.
10 *
11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 *
15 * Sun RPC is provided with no support and without any obligation on the
16 * part of Sun Microsystems, Inc. to assist in its use, correction,
17 * modification or enhancement.
18 *
19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21 * OR ANY PART THEREOF.
22 *
23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24 * or profits or other special, indirect and consequential damages, even if
25 * Sun has been advised of the possibility of such damages.
26 *
27 * Sun Microsystems, Inc.
28 * 2550 Garcia Avenue
29 * Mountain View, California 94043
30 */
31 /*
32 * Copyright (c) 1986-1991 by Sun Microsystems Inc.
33 */
34
35 /* #ident "@(#)svc_raw.c 1.16 94/04/24 SMI" */
36
37 #if 0
38 #if !defined(lint) && defined(SCCSIDS)
39 static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro";
40 #endif
41 #endif
42
43 /*
44 * svc_raw.c, This a toy for simple testing and timing.
45 * Interface to create an rpc client and server in the same UNIX process.
46 * This lets us similate rpc and get rpc (round trip) overhead, without
47 * any interference from the kernal.
48 *
49 */
50
51 #include "namespace.h"
52 #include "reentrant.h"
53 #include <rpc/rpc.h>
54 #include <sys/types.h>
55 #include <rpc/raw.h>
56 #include <assert.h>
57 #include <stdlib.h>
58
59 #ifdef __weak_alias
60 __weak_alias(svc_raw_create,_svc_raw_create)
61 #endif
62
63 #ifndef UDPMSGSIZE
64 #define UDPMSGSIZE 8800
65 #endif
66
67 /*
68 * This is the "network" that we will be moving data over
69 */
70 static struct svc_raw_private {
71 char *raw_buf; /* should be shared with the cl handle */
72 SVCXPRT server;
73 XDR xdr_stream;
74 char verf_body[MAX_AUTH_BYTES];
75 } *svc_raw_private;
76
77 #ifdef __REENT
78 extern mutex_t svcraw_lock;
79 #endif
80
81 static enum xprt_stat svc_raw_stat __P((SVCXPRT *));
82 static bool_t svc_raw_recv __P((SVCXPRT *, struct rpc_msg *));
83 static bool_t svc_raw_reply __P((SVCXPRT *, struct rpc_msg *));
84 static bool_t svc_raw_getargs __P((SVCXPRT *, xdrproc_t, caddr_t));
85 static bool_t svc_raw_freeargs __P((SVCXPRT *, xdrproc_t, caddr_t));
86 static void svc_raw_destroy __P((SVCXPRT *));
87 static void svc_raw_ops __P((SVCXPRT *));
88 static bool_t svc_raw_control __P((SVCXPRT *, const u_int, void *));
89
90 char *__rpc_rawcombuf = NULL;
91
92 SVCXPRT *
93 svc_raw_create()
94 {
95 struct svc_raw_private *srp;
96 /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */
97
98 mutex_lock(&svcraw_lock);
99 srp = svc_raw_private;
100 if (srp == NULL) {
101 srp = (struct svc_raw_private *)calloc(1, sizeof (*srp));
102 if (srp == NULL) {
103 mutex_unlock(&svcraw_lock);
104 return (NULL);
105 }
106 if (__rpc_rawcombuf == NULL)
107 __rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char));
108 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */
109 svc_raw_private = srp;
110 }
111 srp->server.xp_fd = FD_SETSIZE;
112 srp->server.xp_port = 0;
113 srp->server.xp_p3 = NULL;
114 svc_raw_ops(&srp->server);
115 srp->server.xp_verf.oa_base = srp->verf_body;
116 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE);
117 xprt_register(&srp->server);
118 mutex_unlock(&svcraw_lock);
119 return (&srp->server);
120 }
121
122 /*ARGSUSED*/
123 static enum xprt_stat
124 svc_raw_stat(xprt)
125 SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */
126 {
127 return (XPRT_IDLE);
128 }
129
130 /*ARGSUSED*/
131 static bool_t
132 svc_raw_recv(xprt, msg)
133 SVCXPRT *xprt;
134 struct rpc_msg *msg;
135 {
136 struct svc_raw_private *srp;
137 XDR *xdrs;
138
139 mutex_lock(&svcraw_lock);
140 srp = svc_raw_private;
141 if (srp == NULL) {
142 mutex_unlock(&svcraw_lock);
143 return (FALSE);
144 }
145 mutex_unlock(&svcraw_lock);
146
147 xdrs = &srp->xdr_stream;
148 xdrs->x_op = XDR_DECODE;
149 (void) XDR_SETPOS(xdrs, 0);
150 if (! xdr_callmsg(xdrs, msg)) {
151 return (FALSE);
152 }
153 return (TRUE);
154 }
155
156 /*ARGSUSED*/
157 static bool_t
158 svc_raw_reply(xprt, msg)
159 SVCXPRT *xprt;
160 struct rpc_msg *msg;
161 {
162 struct svc_raw_private *srp;
163 XDR *xdrs;
164
165 mutex_lock(&svcraw_lock);
166 srp = svc_raw_private;
167 if (srp == NULL) {
168 mutex_unlock(&svcraw_lock);
169 return (FALSE);
170 }
171 mutex_unlock(&svcraw_lock);
172
173 xdrs = &srp->xdr_stream;
174 xdrs->x_op = XDR_ENCODE;
175 (void) XDR_SETPOS(xdrs, 0);
176 if (! xdr_replymsg(xdrs, msg)) {
177 return (FALSE);
178 }
179 (void) XDR_GETPOS(xdrs); /* called just for overhead */
180 return (TRUE);
181 }
182
183 /*ARGSUSED*/
184 static bool_t
185 svc_raw_getargs(xprt, xdr_args, args_ptr)
186 SVCXPRT *xprt;
187 xdrproc_t xdr_args;
188 caddr_t args_ptr;
189 {
190 struct svc_raw_private *srp;
191
192 mutex_lock(&svcraw_lock);
193 srp = svc_raw_private;
194 if (srp == NULL) {
195 mutex_unlock(&svcraw_lock);
196 return (FALSE);
197 }
198 mutex_unlock(&svcraw_lock);
199 return (*xdr_args)(&srp->xdr_stream, args_ptr);
200 }
201
202 /*ARGSUSED*/
203 static bool_t
204 svc_raw_freeargs(xprt, xdr_args, args_ptr)
205 SVCXPRT *xprt;
206 xdrproc_t xdr_args;
207 caddr_t args_ptr;
208 {
209 struct svc_raw_private *srp;
210 XDR *xdrs;
211
212 mutex_lock(&svcraw_lock);
213 srp = svc_raw_private;
214 if (srp == NULL) {
215 mutex_unlock(&svcraw_lock);
216 return (FALSE);
217 }
218 mutex_unlock(&svcraw_lock);
219
220 xdrs = &srp->xdr_stream;
221 xdrs->x_op = XDR_FREE;
222 return (*xdr_args)(xdrs, args_ptr);
223 }
224
225 /*ARGSUSED*/
226 static void
227 svc_raw_destroy(xprt)
228 SVCXPRT *xprt;
229 {
230 }
231
232 /*ARGSUSED*/
233 static bool_t
234 svc_raw_control(xprt, rq, in)
235 SVCXPRT *xprt;
236 const u_int rq;
237 void *in;
238 {
239 return (FALSE);
240 }
241
242 static void
243 svc_raw_ops(xprt)
244 SVCXPRT *xprt;
245 {
246 static struct xp_ops ops;
247 static struct xp_ops2 ops2;
248 #ifdef __REENT
249 extern mutex_t ops_lock;
250 #endif
251
252 _DIAGASSERT(xprt != NULL);
253
254 /* VARIABLES PROTECTED BY ops_lock: ops */
255
256 mutex_lock(&ops_lock);
257 if (ops.xp_recv == NULL) {
258 ops.xp_recv = svc_raw_recv;
259 ops.xp_stat = svc_raw_stat;
260 ops.xp_getargs = svc_raw_getargs;
261 ops.xp_reply = svc_raw_reply;
262 ops.xp_freeargs = svc_raw_freeargs;
263 ops.xp_destroy = svc_raw_destroy;
264 ops2.xp_control = svc_raw_control;
265 }
266 xprt->xp_ops = &ops;
267 xprt->xp_ops2 = &ops2;
268 mutex_unlock(&ops_lock);
269 }
270