svc_raw.c revision 1.25
1 /* $NetBSD: svc_raw.c,v 1.25 2015/11/06 19:32:08 christos 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 1.25 2015/11/06 19:32:08 christos 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(SVCXPRT *); 87 static bool_t svc_raw_recv(SVCXPRT *, struct rpc_msg *); 88 static bool_t svc_raw_reply(SVCXPRT *, struct rpc_msg *); 89 static bool_t svc_raw_getargs(SVCXPRT *, xdrproc_t, caddr_t); 90 static bool_t svc_raw_freeargs(SVCXPRT *, xdrproc_t, caddr_t); 91 static void svc_raw_destroy(SVCXPRT *); 92 static void svc_raw_ops(SVCXPRT *); 93 static bool_t svc_raw_control(SVCXPRT *, const u_int, void *); 94 95 char *__rpc_rawcombuf = NULL; 96 97 SVCXPRT * 98 svc_raw_create(void) 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 = -1; 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 if (!xprt_register(&srp->server)) 123 goto out; 124 mutex_unlock(&svcraw_lock); 125 return (&srp->server); 126 out: 127 if (srp != NULL) 128 free(srp); 129 mutex_unlock(&svcraw_lock); 130 return (NULL); 131 } 132 133 /*ARGSUSED*/ 134 static enum xprt_stat 135 svc_raw_stat(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(SVCXPRT *xprt, struct rpc_msg *msg) 143 { 144 struct svc_raw_private *srp; 145 XDR *xdrs; 146 147 mutex_lock(&svcraw_lock); 148 srp = svc_raw_private; 149 if (srp == NULL) { 150 mutex_unlock(&svcraw_lock); 151 return (FALSE); 152 } 153 mutex_unlock(&svcraw_lock); 154 155 xdrs = &srp->xdr_stream; 156 xdrs->x_op = XDR_DECODE; 157 (void) XDR_SETPOS(xdrs, 0); 158 if (! xdr_callmsg(xdrs, msg)) { 159 return (FALSE); 160 } 161 return (TRUE); 162 } 163 164 /*ARGSUSED*/ 165 static bool_t 166 svc_raw_reply(SVCXPRT *xprt, struct rpc_msg *msg) 167 { 168 struct svc_raw_private *srp; 169 XDR *xdrs; 170 171 mutex_lock(&svcraw_lock); 172 srp = svc_raw_private; 173 if (srp == NULL) { 174 mutex_unlock(&svcraw_lock); 175 return (FALSE); 176 } 177 mutex_unlock(&svcraw_lock); 178 179 xdrs = &srp->xdr_stream; 180 xdrs->x_op = XDR_ENCODE; 181 (void) XDR_SETPOS(xdrs, 0); 182 if (! xdr_replymsg(xdrs, msg)) { 183 return (FALSE); 184 } 185 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 186 return (TRUE); 187 } 188 189 /*ARGSUSED*/ 190 static bool_t 191 svc_raw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) 192 { 193 struct svc_raw_private *srp; 194 195 mutex_lock(&svcraw_lock); 196 srp = svc_raw_private; 197 if (srp == NULL) { 198 mutex_unlock(&svcraw_lock); 199 return (FALSE); 200 } 201 mutex_unlock(&svcraw_lock); 202 return (*xdr_args)(&srp->xdr_stream, args_ptr); 203 } 204 205 /*ARGSUSED*/ 206 static bool_t 207 svc_raw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, 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(SVCXPRT *xprt) 228 { 229 } 230 231 /*ARGSUSED*/ 232 static bool_t 233 svc_raw_control(SVCXPRT *xprt, const u_int rq, void *in) 234 { 235 return (FALSE); 236 } 237 238 static void 239 svc_raw_ops(SVCXPRT *xprt) 240 { 241 static struct xp_ops ops; 242 static struct xp_ops2 ops2; 243 #ifdef _REENTRANT 244 extern mutex_t ops_lock; 245 #endif 246 247 _DIAGASSERT(xprt != NULL); 248 249 /* VARIABLES PROTECTED BY ops_lock: ops */ 250 251 mutex_lock(&ops_lock); 252 if (ops.xp_recv == NULL) { 253 ops.xp_recv = svc_raw_recv; 254 ops.xp_stat = svc_raw_stat; 255 ops.xp_getargs = svc_raw_getargs; 256 ops.xp_reply = svc_raw_reply; 257 ops.xp_freeargs = svc_raw_freeargs; 258 ops.xp_destroy = svc_raw_destroy; 259 ops2.xp_control = svc_raw_control; 260 } 261 xprt->xp_ops = &ops; 262 xprt->xp_ops2 = &ops2; 263 mutex_unlock(&ops_lock); 264 } 265
Indexes created Sun Sep 28 16:09:52 GMT 2025