svc_raw.c revision 1.21.22.1
1 /* $NetBSD: svc_raw.c,v 1.21.22.1 2013/03/14 22:03:08 riz Exp $ */ 2 3 /* 4 * Copyright (c) 2010, Oracle America, Inc. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials 15 * provided with the distribution. 16 * * Neither the name of the "Oracle America, Inc." nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 /* 34 * Copyright (c) 1986-1991 by Sun Microsystems Inc. 35 */ 36 37 /* #ident "@(#)svc_raw.c 1.16 94/04/24 SMI" */ 38 39 #include <sys/cdefs.h> 40 #if defined(LIBC_SCCS) && !defined(lint) 41 #if 0 42 static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro"; 43 #else 44 __RCSID("$NetBSD: svc_raw.c,v 1.21.22.1 2013/03/14 22:03:08 riz Exp $"); 45 #endif 46 #endif 47 48 /* 49 * svc_raw.c, This a toy for simple testing and timing. 50 * Interface to create an rpc client and server in the same UNIX process. 51 * This lets us similate rpc and get rpc (round trip) overhead, without 52 * any interference from the kernel. 53 * 54 */ 55 56 #include "namespace.h" 57 #include "reentrant.h" 58 #include <rpc/rpc.h> 59 #include <sys/types.h> 60 #include <rpc/raw.h> 61 #include <assert.h> 62 #include <stdlib.h> 63 64 #ifdef __weak_alias 65 __weak_alias(svc_raw_create,_svc_raw_create) 66 #endif 67 68 #ifndef UDPMSGSIZE 69 #define UDPMSGSIZE 8800 70 #endif 71 72 /* 73 * This is the "network" that we will be moving data over 74 */ 75 static struct svc_raw_private { 76 char *raw_buf; /* should be shared with the cl handle */ 77 SVCXPRT server; 78 XDR xdr_stream; 79 char verf_body[MAX_AUTH_BYTES]; 80 } *svc_raw_private; 81 82 #ifdef _REENTRANT 83 extern mutex_t svcraw_lock; 84 #endif 85 86 static enum xprt_stat svc_raw_stat __P((SVCXPRT *)); 87 static bool_t svc_raw_recv __P((SVCXPRT *, struct rpc_msg *)); 88 static bool_t svc_raw_reply __P((SVCXPRT *, struct rpc_msg *)); 89 static bool_t svc_raw_getargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 90 static bool_t svc_raw_freeargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 91 static void svc_raw_destroy __P((SVCXPRT *)); 92 static void svc_raw_ops __P((SVCXPRT *)); 93 static bool_t svc_raw_control __P((SVCXPRT *, const u_int, void *)); 94 95 char *__rpc_rawcombuf = NULL; 96 97 SVCXPRT * 98 svc_raw_create() 99 { 100 struct svc_raw_private *srp; 101 /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */ 102 103 mutex_lock(&svcraw_lock); 104 srp = svc_raw_private; 105 if (srp == NULL) { 106 srp = calloc(1, sizeof(*srp)); 107 if (srp == NULL) 108 goto out; 109 if (__rpc_rawcombuf == NULL) 110 __rpc_rawcombuf = malloc(UDPMSGSIZE); 111 if (__rpc_rawcombuf == NULL) 112 goto out; 113 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */ 114 svc_raw_private = srp; 115 } 116 srp->server.xp_fd = FD_SETSIZE; 117 srp->server.xp_port = 0; 118 srp->server.xp_p3 = NULL; 119 svc_raw_ops(&srp->server); 120 srp->server.xp_verf.oa_base = srp->verf_body; 121 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE); 122 xprt_register(&srp->server); 123 mutex_unlock(&svcraw_lock); 124 return (&srp->server); 125 out: 126 if (srp != NULL) 127 free(srp); 128 mutex_unlock(&svcraw_lock); 129 return (NULL); 130 } 131 132 /*ARGSUSED*/ 133 static enum xprt_stat 134 svc_raw_stat(xprt) 135 SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */ 136 { 137 return (XPRT_IDLE); 138 } 139 140 /*ARGSUSED*/ 141 static bool_t 142 svc_raw_recv(xprt, msg) 143 SVCXPRT *xprt; 144 struct rpc_msg *msg; 145 { 146 struct svc_raw_private *srp; 147 XDR *xdrs; 148 149 mutex_lock(&svcraw_lock); 150 srp = svc_raw_private; 151 if (srp == NULL) { 152 mutex_unlock(&svcraw_lock); 153 return (FALSE); 154 } 155 mutex_unlock(&svcraw_lock); 156 157 xdrs = &srp->xdr_stream; 158 xdrs->x_op = XDR_DECODE; 159 (void) XDR_SETPOS(xdrs, 0); 160 if (! xdr_callmsg(xdrs, msg)) { 161 return (FALSE); 162 } 163 return (TRUE); 164 } 165 166 /*ARGSUSED*/ 167 static bool_t 168 svc_raw_reply(xprt, msg) 169 SVCXPRT *xprt; 170 struct rpc_msg *msg; 171 { 172 struct svc_raw_private *srp; 173 XDR *xdrs; 174 175 mutex_lock(&svcraw_lock); 176 srp = svc_raw_private; 177 if (srp == NULL) { 178 mutex_unlock(&svcraw_lock); 179 return (FALSE); 180 } 181 mutex_unlock(&svcraw_lock); 182 183 xdrs = &srp->xdr_stream; 184 xdrs->x_op = XDR_ENCODE; 185 (void) XDR_SETPOS(xdrs, 0); 186 if (! xdr_replymsg(xdrs, msg)) { 187 return (FALSE); 188 } 189 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 190 return (TRUE); 191 } 192 193 /*ARGSUSED*/ 194 static bool_t 195 svc_raw_getargs(xprt, xdr_args, args_ptr) 196 SVCXPRT *xprt; 197 xdrproc_t xdr_args; 198 caddr_t args_ptr; 199 { 200 struct svc_raw_private *srp; 201 202 mutex_lock(&svcraw_lock); 203 srp = svc_raw_private; 204 if (srp == NULL) { 205 mutex_unlock(&svcraw_lock); 206 return (FALSE); 207 } 208 mutex_unlock(&svcraw_lock); 209 return (*xdr_args)(&srp->xdr_stream, args_ptr); 210 } 211 212 /*ARGSUSED*/ 213 static bool_t 214 svc_raw_freeargs(xprt, xdr_args, args_ptr) 215 SVCXPRT *xprt; 216 xdrproc_t xdr_args; 217 caddr_t args_ptr; 218 { 219 struct svc_raw_private *srp; 220 XDR *xdrs; 221 222 mutex_lock(&svcraw_lock); 223 srp = svc_raw_private; 224 if (srp == NULL) { 225 mutex_unlock(&svcraw_lock); 226 return (FALSE); 227 } 228 mutex_unlock(&svcraw_lock); 229 230 xdrs = &srp->xdr_stream; 231 xdrs->x_op = XDR_FREE; 232 return (*xdr_args)(xdrs, args_ptr); 233 } 234 235 /*ARGSUSED*/ 236 static void 237 svc_raw_destroy(xprt) 238 SVCXPRT *xprt; 239 { 240 } 241 242 /*ARGSUSED*/ 243 static bool_t 244 svc_raw_control(xprt, rq, in) 245 SVCXPRT *xprt; 246 const u_int rq; 247 void *in; 248 { 249 return (FALSE); 250 } 251 252 static void 253 svc_raw_ops(xprt) 254 SVCXPRT *xprt; 255 { 256 static struct xp_ops ops; 257 static struct xp_ops2 ops2; 258 #ifdef _REENTRANT 259 extern mutex_t ops_lock; 260 #endif 261 262 _DIAGASSERT(xprt != NULL); 263 264 /* VARIABLES PROTECTED BY ops_lock: ops */ 265 266 mutex_lock(&ops_lock); 267 if (ops.xp_recv == NULL) { 268 ops.xp_recv = svc_raw_recv; 269 ops.xp_stat = svc_raw_stat; 270 ops.xp_getargs = svc_raw_getargs; 271 ops.xp_reply = svc_raw_reply; 272 ops.xp_freeargs = svc_raw_freeargs; 273 ops.xp_destroy = svc_raw_destroy; 274 ops2.xp_control = svc_raw_control; 275 } 276 xprt->xp_ops = &ops; 277 xprt->xp_ops2 = &ops2; 278 mutex_unlock(&ops_lock); 279 } 280
Indexes created Mon Sep 29 03:10:08 GMT 2025