svc_raw.c revision 1.19.18.1
1 /* $NetBSD: svc_raw.c,v 1.19.18.1 2008/05/18 12:30:18 yamt 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 #include <sys/cdefs.h> 38 #if defined(LIBC_SCCS) && !defined(lint) 39 #if 0 40 static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro"; 41 #else 42 __RCSID("$NetBSD: svc_raw.c,v 1.19.18.1 2008/05/18 12:30:18 yamt Exp $"); 43 #endif 44 #endif 45 46 /* 47 * svc_raw.c, This a toy for simple testing and timing. 48 * Interface to create an rpc client and server in the same UNIX process. 49 * This lets us similate rpc and get rpc (round trip) overhead, without 50 * any interference from the kernel. 51 * 52 */ 53 54 #include "namespace.h" 55 #include "reentrant.h" 56 #include <rpc/rpc.h> 57 #include <sys/types.h> 58 #include <rpc/raw.h> 59 #include <assert.h> 60 #include <stdlib.h> 61 62 #ifdef __weak_alias 63 __weak_alias(svc_raw_create,_svc_raw_create) 64 #endif 65 66 #ifndef UDPMSGSIZE 67 #define UDPMSGSIZE 8800 68 #endif 69 70 /* 71 * This is the "network" that we will be moving data over 72 */ 73 static struct svc_raw_private { 74 char *raw_buf; /* should be shared with the cl handle */ 75 SVCXPRT server; 76 XDR xdr_stream; 77 char verf_body[MAX_AUTH_BYTES]; 78 } *svc_raw_private; 79 80 #ifdef _REENTRANT 81 extern mutex_t svcraw_lock; 82 #endif 83 84 static enum xprt_stat svc_raw_stat __P((SVCXPRT *)); 85 static bool_t svc_raw_recv __P((SVCXPRT *, struct rpc_msg *)); 86 static bool_t svc_raw_reply __P((SVCXPRT *, struct rpc_msg *)); 87 static bool_t svc_raw_getargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 88 static bool_t svc_raw_freeargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 89 static void svc_raw_destroy __P((SVCXPRT *)); 90 static void svc_raw_ops __P((SVCXPRT *)); 91 static bool_t svc_raw_control __P((SVCXPRT *, const u_int, void *)); 92 93 char *__rpc_rawcombuf = NULL; 94 95 SVCXPRT * 96 svc_raw_create() 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 = FD_SETSIZE; 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 xprt_register(&srp->server); 121 mutex_unlock(&svcraw_lock); 122 return (&srp->server); 123 out: 124 mutex_unlock(&svcraw_lock); 125 return (NULL); 126 } 127 128 /*ARGSUSED*/ 129 static enum xprt_stat 130 svc_raw_stat(xprt) 131 SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */ 132 { 133 return (XPRT_IDLE); 134 } 135 136 /*ARGSUSED*/ 137 static bool_t 138 svc_raw_recv(xprt, msg) 139 SVCXPRT *xprt; 140 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(xprt, msg) 165 SVCXPRT *xprt; 166 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(xprt, xdr_args, args_ptr) 192 SVCXPRT *xprt; 193 xdrproc_t xdr_args; 194 caddr_t args_ptr; 195 { 196 struct svc_raw_private *srp; 197 198 mutex_lock(&svcraw_lock); 199 srp = svc_raw_private; 200 if (srp == NULL) { 201 mutex_unlock(&svcraw_lock); 202 return (FALSE); 203 } 204 mutex_unlock(&svcraw_lock); 205 return (*xdr_args)(&srp->xdr_stream, args_ptr); 206 } 207 208 /*ARGSUSED*/ 209 static bool_t 210 svc_raw_freeargs(xprt, xdr_args, args_ptr) 211 SVCXPRT *xprt; 212 xdrproc_t xdr_args; 213 caddr_t args_ptr; 214 { 215 struct svc_raw_private *srp; 216 XDR *xdrs; 217 218 mutex_lock(&svcraw_lock); 219 srp = svc_raw_private; 220 if (srp == NULL) { 221 mutex_unlock(&svcraw_lock); 222 return (FALSE); 223 } 224 mutex_unlock(&svcraw_lock); 225 226 xdrs = &srp->xdr_stream; 227 xdrs->x_op = XDR_FREE; 228 return (*xdr_args)(xdrs, args_ptr); 229 } 230 231 /*ARGSUSED*/ 232 static void 233 svc_raw_destroy(xprt) 234 SVCXPRT *xprt; 235 { 236 } 237 238 /*ARGSUSED*/ 239 static bool_t 240 svc_raw_control(xprt, rq, in) 241 SVCXPRT *xprt; 242 const u_int rq; 243 void *in; 244 { 245 return (FALSE); 246 } 247 248 static void 249 svc_raw_ops(xprt) 250 SVCXPRT *xprt; 251 { 252 static struct xp_ops ops; 253 static struct xp_ops2 ops2; 254 #ifdef _REENTRANT 255 extern mutex_t ops_lock; 256 #endif 257 258 _DIAGASSERT(xprt != NULL); 259 260 /* VARIABLES PROTECTED BY ops_lock: ops */ 261 262 mutex_lock(&ops_lock); 263 if (ops.xp_recv == NULL) { 264 ops.xp_recv = svc_raw_recv; 265 ops.xp_stat = svc_raw_stat; 266 ops.xp_getargs = svc_raw_getargs; 267 ops.xp_reply = svc_raw_reply; 268 ops.xp_freeargs = svc_raw_freeargs; 269 ops.xp_destroy = svc_raw_destroy; 270 ops2.xp_control = svc_raw_control; 271 } 272 xprt->xp_ops = &ops; 273 xprt->xp_ops2 = &ops2; 274 mutex_unlock(&ops_lock); 275 } 276
Indexes created Mon Sep 29 21:09:56 GMT 2025