1 /* $NetBSD: svc_raw.c,v 1.26 2024/01/23 17:24:38 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 1.26 2024/01/23 17:24:38 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 #include "rpc_internal.h" 65 66 #ifdef __weak_alias 67 __weak_alias(svc_raw_create,_svc_raw_create) 68 #endif 69 70 #ifndef UDPMSGSIZE 71 #define UDPMSGSIZE 8800 72 #endif 73 74 /* 75 * This is the "network" that we will be moving data over 76 */ 77 static struct svc_raw_private { 78 char *raw_buf; /* should be shared with the cl handle */ 79 SVCXPRT server; 80 XDR xdr_stream; 81 char verf_body[MAX_AUTH_BYTES]; 82 } *svc_raw_private; 83 84 static enum xprt_stat svc_raw_stat(SVCXPRT *); 85 static bool_t svc_raw_recv(SVCXPRT *, struct rpc_msg *); 86 static bool_t svc_raw_reply(SVCXPRT *, struct rpc_msg *); 87 static bool_t svc_raw_getargs(SVCXPRT *, xdrproc_t, caddr_t); 88 static bool_t svc_raw_freeargs(SVCXPRT *, xdrproc_t, caddr_t); 89 static void svc_raw_destroy(SVCXPRT *); 90 static void svc_raw_ops(SVCXPRT *); 91 static bool_t svc_raw_control(SVCXPRT *, const u_int, void *); 92 93 char *__rpc_rawcombuf = NULL; 94 95 SVCXPRT * 96 svc_raw_create(void) 97 { 98 struct svc_raw_private *srp; 99 /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */ 100 101 mutex_lock(&svcraw_lock); 102 srp = svc_raw_private; 103 if (srp == NULL) { 104 srp = calloc(1, sizeof(*srp)); 105 if (srp == NULL) 106 goto out; 107 if (__rpc_rawcombuf == NULL) 108 __rpc_rawcombuf = malloc(UDPMSGSIZE); 109 if (__rpc_rawcombuf == NULL) 110 goto out; 111 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */ 112 svc_raw_private = srp; 113 } 114 srp->server.xp_fd = -1; 115 srp->server.xp_port = 0; 116 srp->server.xp_p3 = NULL; 117 svc_raw_ops(&srp->server); 118 srp->server.xp_verf.oa_base = srp->verf_body; 119 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE); 120 if (!xprt_register(&srp->server)) 121 goto out; 122 mutex_unlock(&svcraw_lock); 123 return (&srp->server); 124 out: 125 if (srp != NULL) 126 free(srp); 127 mutex_unlock(&svcraw_lock); 128 return (NULL); 129 } 130 131 /*ARGSUSED*/ 132 static enum xprt_stat 133 svc_raw_stat(SVCXPRT *xprt) /* args needed to satisfy ANSI-C typechecking */ 134 { 135 return (XPRT_IDLE); 136 } 137 138 /*ARGSUSED*/ 139 static bool_t 140 svc_raw_recv(SVCXPRT *xprt, struct rpc_msg *msg) 141 { 142 struct svc_raw_private *srp; 143 XDR *xdrs; 144 145 mutex_lock(&svcraw_lock); 146 srp = svc_raw_private; 147 if (srp == NULL) { 148 mutex_unlock(&svcraw_lock); 149 return (FALSE); 150 } 151 mutex_unlock(&svcraw_lock); 152 153 xdrs = &srp->xdr_stream; 154 xdrs->x_op = XDR_DECODE; 155 (void) XDR_SETPOS(xdrs, 0); 156 if (! xdr_callmsg(xdrs, msg)) { 157 return (FALSE); 158 } 159 return (TRUE); 160 } 161 162 /*ARGSUSED*/ 163 static bool_t 164 svc_raw_reply(SVCXPRT *xprt, struct rpc_msg *msg) 165 { 166 struct svc_raw_private *srp; 167 XDR *xdrs; 168 169 mutex_lock(&svcraw_lock); 170 srp = svc_raw_private; 171 if (srp == NULL) { 172 mutex_unlock(&svcraw_lock); 173 return (FALSE); 174 } 175 mutex_unlock(&svcraw_lock); 176 177 xdrs = &srp->xdr_stream; 178 xdrs->x_op = XDR_ENCODE; 179 (void) XDR_SETPOS(xdrs, 0); 180 if (! xdr_replymsg(xdrs, msg)) { 181 return (FALSE); 182 } 183 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 184 return (TRUE); 185 } 186 187 /*ARGSUSED*/ 188 static bool_t 189 svc_raw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) 190 { 191 struct svc_raw_private *srp; 192 193 mutex_lock(&svcraw_lock); 194 srp = svc_raw_private; 195 if (srp == NULL) { 196 mutex_unlock(&svcraw_lock); 197 return (FALSE); 198 } 199 mutex_unlock(&svcraw_lock); 200 return (*xdr_args)(&srp->xdr_stream, args_ptr); 201 } 202 203 /*ARGSUSED*/ 204 static bool_t 205 svc_raw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) 206 { 207 struct svc_raw_private *srp; 208 XDR *xdrs; 209 210 mutex_lock(&svcraw_lock); 211 srp = svc_raw_private; 212 if (srp == NULL) { 213 mutex_unlock(&svcraw_lock); 214 return (FALSE); 215 } 216 mutex_unlock(&svcraw_lock); 217 218 xdrs = &srp->xdr_stream; 219 xdrs->x_op = XDR_FREE; 220 return (*xdr_args)(xdrs, args_ptr); 221 } 222 223 /*ARGSUSED*/ 224 static void 225 svc_raw_destroy(SVCXPRT *xprt) 226 { 227 } 228 229 /*ARGSUSED*/ 230 static bool_t 231 svc_raw_control(SVCXPRT *xprt, const u_int rq, void *in) 232 { 233 return (FALSE); 234 } 235 236 static void 237 svc_raw_ops(SVCXPRT *xprt) 238 { 239 static struct xp_ops ops; 240 static struct xp_ops2 ops2; 241 242 _DIAGASSERT(xprt != NULL); 243 244 /* VARIABLES PROTECTED BY ops_lock: ops */ 245 246 mutex_lock(&ops_lock); 247 if (ops.xp_recv == NULL) { 248 ops.xp_recv = svc_raw_recv; 249 ops.xp_stat = svc_raw_stat; 250 ops.xp_getargs = svc_raw_getargs; 251 ops.xp_reply = svc_raw_reply; 252 ops.xp_freeargs = svc_raw_freeargs; 253 ops.xp_destroy = svc_raw_destroy; 254 ops2.xp_control = svc_raw_control; 255 } 256 xprt->xp_ops = &ops; 257 xprt->xp_ops2 = &ops2; 258 mutex_unlock(&ops_lock); 259 } 260
Indexes created Wed Sep 24 15:09:51 GMT 2025