svc_raw.c revision 1.13 1 /* $NetBSD: svc_raw.c,v 1.13 2000/06/02 23:11:16 fvdl 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 ((SVCXPRT *)NULL);
104 }
105 if (__rpc_rawcombuf == NULL)
106 __rpc_rawcombuf =
107 (char *)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 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 static bool_t
130 svc_raw_recv(xprt, msg)
131 SVCXPRT *xprt;
132 struct rpc_msg *msg;
133 {
134 struct svc_raw_private *srp;
135 XDR *xdrs;
136
137 mutex_lock(&svcraw_lock);
138 srp = svc_raw_private;
139 if (srp == NULL) {
140 mutex_unlock(&svcraw_lock);
141 return (FALSE);
142 }
143 mutex_unlock(&svcraw_lock);
144
145 xdrs = &srp->xdr_stream;
146 xdrs->x_op = XDR_DECODE;
147 (void) XDR_SETPOS(xdrs, 0);
148 if (! xdr_callmsg(xdrs, msg)) {
149 return (FALSE);
150 }
151 return (TRUE);
152 }
153
154 static bool_t
155 svc_raw_reply(xprt, msg)
156 SVCXPRT *xprt;
157 struct rpc_msg *msg;
158 {
159 struct svc_raw_private *srp;
160 XDR *xdrs;
161
162 mutex_lock(&svcraw_lock);
163 srp = svc_raw_private;
164 if (srp == NULL) {
165 mutex_unlock(&svcraw_lock);
166 return (FALSE);
167 }
168 mutex_unlock(&svcraw_lock);
169
170 xdrs = &srp->xdr_stream;
171 xdrs->x_op = XDR_ENCODE;
172 (void) XDR_SETPOS(xdrs, 0);
173 if (! xdr_replymsg(xdrs, msg)) {
174 return (FALSE);
175 }
176 (void) XDR_GETPOS(xdrs); /* called just for overhead */
177 return (TRUE);
178 }
179
180 static bool_t
181 svc_raw_getargs(xprt, xdr_args, args_ptr)
182 SVCXPRT *xprt;
183 xdrproc_t xdr_args;
184 caddr_t args_ptr;
185 {
186 register struct svc_raw_private *srp;
187
188 mutex_lock(&svcraw_lock);
189 srp = svc_raw_private;
190 if (srp == NULL) {
191 mutex_unlock(&svcraw_lock);
192 return (FALSE);
193 }
194 mutex_unlock(&svcraw_lock);
195 return (*xdr_args)(&srp->xdr_stream, args_ptr);
196 }
197
198 static bool_t
199 svc_raw_freeargs(xprt, xdr_args, args_ptr)
200 SVCXPRT *xprt;
201 xdrproc_t xdr_args;
202 caddr_t args_ptr;
203 {
204 struct svc_raw_private *srp;
205 XDR *xdrs;
206
207 mutex_lock(&svcraw_lock);
208 srp = svc_raw_private;
209 if (srp == NULL) {
210 mutex_unlock(&svcraw_lock);
211 return (FALSE);
212 }
213 mutex_unlock(&svcraw_lock);
214
215 xdrs = &srp->xdr_stream;
216 xdrs->x_op = XDR_FREE;
217 return (*xdr_args)(xdrs, args_ptr);
218 }
219
220 static void
221 svc_raw_destroy(xprt)
222 SVCXPRT *xprt;
223 {
224 }
225
226 static bool_t
227 svc_raw_control(xprt, rq, in)
228 SVCXPRT *xprt;
229 const u_int rq;
230 void *in;
231 {
232 return (FALSE);
233 }
234
235 static void
236 svc_raw_ops(xprt)
237 SVCXPRT *xprt;
238 {
239 static struct xp_ops ops;
240 static struct xp_ops2 ops2;
241 #ifdef __REENT
242 extern mutex_t ops_lock;
243 #endif
244
245 /* VARIABLES PROTECTED BY ops_lock: ops */
246
247 mutex_lock(&ops_lock);
248 if (ops.xp_recv == NULL) {
249 ops.xp_recv = svc_raw_recv;
250 ops.xp_stat = svc_raw_stat;
251 ops.xp_getargs = svc_raw_getargs;
252 ops.xp_reply = svc_raw_reply;
253 ops.xp_freeargs = svc_raw_freeargs;
254 ops.xp_destroy = svc_raw_destroy;
255 ops2.xp_control = svc_raw_control;
256 }
257 xprt->xp_ops = &ops;
258 xprt->xp_ops2 = &ops2;
259 mutex_unlock(&ops_lock);
260 }
261