svc_raw.c revision 1.14 1 /* $NetBSD: svc_raw.c,v 1.14 2000/07/06 03:10:35 christos 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 <stdlib.h>
57
58 #ifdef __weak_alias
59 __weak_alias(svc_raw_create,_svc_raw_create)
60 #endif
61
62 #ifndef UDPMSGSIZE
63 #define UDPMSGSIZE 8800
64 #endif
65
66 /*
67 * This is the "network" that we will be moving data over
68 */
69 static struct svc_raw_private {
70 char *raw_buf; /* should be shared with the cl handle */
71 SVCXPRT server;
72 XDR xdr_stream;
73 char verf_body[MAX_AUTH_BYTES];
74 } *svc_raw_private;
75
76 #ifdef __REENT
77 extern mutex_t svcraw_lock;
78 #endif
79
80 static enum xprt_stat svc_raw_stat __P((SVCXPRT *));
81 static bool_t svc_raw_recv __P((SVCXPRT *, struct rpc_msg *));
82 static bool_t svc_raw_reply __P((SVCXPRT *, struct rpc_msg *));
83 static bool_t svc_raw_getargs __P((SVCXPRT *, xdrproc_t, caddr_t));
84 static bool_t svc_raw_freeargs __P((SVCXPRT *, xdrproc_t, caddr_t));
85 static void svc_raw_destroy __P((SVCXPRT *));
86 static void svc_raw_ops __P((SVCXPRT *));
87 static bool_t svc_raw_control __P((SVCXPRT *, const u_int, void *));
88
89 char *__rpc_rawcombuf = NULL;
90
91 SVCXPRT *
92 svc_raw_create()
93 {
94 struct svc_raw_private *srp;
95 /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */
96
97 mutex_lock(&svcraw_lock);
98 srp = svc_raw_private;
99 if (srp == NULL) {
100 srp = (struct svc_raw_private *)calloc(1, sizeof (*srp));
101 if (srp == NULL) {
102 mutex_unlock(&svcraw_lock);
103 return (NULL);
104 }
105 if (__rpc_rawcombuf == NULL)
106 __rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char));
107 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */
108 svc_raw_private = srp;
109 }
110 srp->server.xp_fd = FD_SETSIZE;
111 srp->server.xp_port = 0;
112 srp->server.xp_p3 = NULL;
113 svc_raw_ops(&srp->server);
114 srp->server.xp_verf.oa_base = srp->verf_body;
115 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE);
116 xprt_register(&srp->server);
117 mutex_unlock(&svcraw_lock);
118 return (&srp->server);
119 }
120
121 /*ARGSUSED*/
122 static enum xprt_stat
123 svc_raw_stat(xprt)
124 SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */
125 {
126 return (XPRT_IDLE);
127 }
128
129 /*ARGSUSED*/
130 static bool_t
131 svc_raw_recv(xprt, msg)
132 SVCXPRT *xprt;
133 struct rpc_msg *msg;
134 {
135 struct svc_raw_private *srp;
136 XDR *xdrs;
137
138 mutex_lock(&svcraw_lock);
139 srp = svc_raw_private;
140 if (srp == NULL) {
141 mutex_unlock(&svcraw_lock);
142 return (FALSE);
143 }
144 mutex_unlock(&svcraw_lock);
145
146 xdrs = &srp->xdr_stream;
147 xdrs->x_op = XDR_DECODE;
148 (void) XDR_SETPOS(xdrs, 0);
149 if (! xdr_callmsg(xdrs, msg)) {
150 return (FALSE);
151 }
152 return (TRUE);
153 }
154
155 /*ARGSUSED*/
156 static bool_t
157 svc_raw_reply(xprt, msg)
158 SVCXPRT *xprt;
159 struct rpc_msg *msg;
160 {
161 struct svc_raw_private *srp;
162 XDR *xdrs;
163
164 mutex_lock(&svcraw_lock);
165 srp = svc_raw_private;
166 if (srp == NULL) {
167 mutex_unlock(&svcraw_lock);
168 return (FALSE);
169 }
170 mutex_unlock(&svcraw_lock);
171
172 xdrs = &srp->xdr_stream;
173 xdrs->x_op = XDR_ENCODE;
174 (void) XDR_SETPOS(xdrs, 0);
175 if (! xdr_replymsg(xdrs, msg)) {
176 return (FALSE);
177 }
178 (void) XDR_GETPOS(xdrs); /* called just for overhead */
179 return (TRUE);
180 }
181
182 /*ARGSUSED*/
183 static bool_t
184 svc_raw_getargs(xprt, xdr_args, args_ptr)
185 SVCXPRT *xprt;
186 xdrproc_t xdr_args;
187 caddr_t args_ptr;
188 {
189 struct svc_raw_private *srp;
190
191 mutex_lock(&svcraw_lock);
192 srp = svc_raw_private;
193 if (srp == NULL) {
194 mutex_unlock(&svcraw_lock);
195 return (FALSE);
196 }
197 mutex_unlock(&svcraw_lock);
198 return (*xdr_args)(&srp->xdr_stream, args_ptr);
199 }
200
201 /*ARGSUSED*/
202 static bool_t
203 svc_raw_freeargs(xprt, xdr_args, args_ptr)
204 SVCXPRT *xprt;
205 xdrproc_t xdr_args;
206 caddr_t args_ptr;
207 {
208 struct svc_raw_private *srp;
209 XDR *xdrs;
210
211 mutex_lock(&svcraw_lock);
212 srp = svc_raw_private;
213 if (srp == NULL) {
214 mutex_unlock(&svcraw_lock);
215 return (FALSE);
216 }
217 mutex_unlock(&svcraw_lock);
218
219 xdrs = &srp->xdr_stream;
220 xdrs->x_op = XDR_FREE;
221 return (*xdr_args)(xdrs, args_ptr);
222 }
223
224 /*ARGSUSED*/
225 static void
226 svc_raw_destroy(xprt)
227 SVCXPRT *xprt;
228 {
229 }
230
231 /*ARGSUSED*/
232 static bool_t
233 svc_raw_control(xprt, rq, in)
234 SVCXPRT *xprt;
235 const u_int rq;
236 void *in;
237 {
238 return (FALSE);
239 }
240
241 static void
242 svc_raw_ops(xprt)
243 SVCXPRT *xprt;
244 {
245 static struct xp_ops ops;
246 static struct xp_ops2 ops2;
247 #ifdef __REENT
248 extern mutex_t ops_lock;
249 #endif
250
251 /* VARIABLES PROTECTED BY ops_lock: ops */
252
253 mutex_lock(&ops_lock);
254 if (ops.xp_recv == NULL) {
255 ops.xp_recv = svc_raw_recv;
256 ops.xp_stat = svc_raw_stat;
257 ops.xp_getargs = svc_raw_getargs;
258 ops.xp_reply = svc_raw_reply;
259 ops.xp_freeargs = svc_raw_freeargs;
260 ops.xp_destroy = svc_raw_destroy;
261 ops2.xp_control = svc_raw_control;
262 }
263 xprt->xp_ops = &ops;
264 xprt->xp_ops2 = &ops2;
265 mutex_unlock(&ops_lock);
266 }
267