svc_raw.c revision 1.19.18.2
1 /* $NetBSD: svc_raw.c,v 1.19.18.2 2008/06/04 02:04:33 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 1.19.18.2 2008/06/04 02:04:33 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 if (srp != NULL) 125 free(srp); 126 mutex_unlock(&svcraw_lock); 127 return (NULL); 128 } 129 130 /*ARGSUSED*/ 131 static enum xprt_stat 132 svc_raw_stat(xprt) 133 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(xprt, msg) 141 SVCXPRT *xprt; 142 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(xprt, msg) 167 SVCXPRT *xprt; 168 struct rpc_msg *msg; 169 { 170 struct svc_raw_private *srp; 171 XDR *xdrs; 172 173 mutex_lock(&svcraw_lock); 174 srp = svc_raw_private; 175 if (srp == NULL) { 176 mutex_unlock(&svcraw_lock); 177 return (FALSE); 178 } 179 mutex_unlock(&svcraw_lock); 180 181 xdrs = &srp->xdr_stream; 182 xdrs->x_op = XDR_ENCODE; 183 (void) XDR_SETPOS(xdrs, 0); 184 if (! xdr_replymsg(xdrs, msg)) { 185 return (FALSE); 186 } 187 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 188 return (TRUE); 189 } 190 191 /*ARGSUSED*/ 192 static bool_t 193 svc_raw_getargs(xprt, xdr_args, args_ptr) 194 SVCXPRT *xprt; 195 xdrproc_t xdr_args; 196 caddr_t args_ptr; 197 { 198 struct svc_raw_private *srp; 199 200 mutex_lock(&svcraw_lock); 201 srp = svc_raw_private; 202 if (srp == NULL) { 203 mutex_unlock(&svcraw_lock); 204 return (FALSE); 205 } 206 mutex_unlock(&svcraw_lock); 207 return (*xdr_args)(&srp->xdr_stream, args_ptr); 208 } 209 210 /*ARGSUSED*/ 211 static bool_t 212 svc_raw_freeargs(xprt, xdr_args, args_ptr) 213 SVCXPRT *xprt; 214 xdrproc_t xdr_args; 215 caddr_t args_ptr; 216 { 217 struct svc_raw_private *srp; 218 XDR *xdrs; 219 220 mutex_lock(&svcraw_lock); 221 srp = svc_raw_private; 222 if (srp == NULL) { 223 mutex_unlock(&svcraw_lock); 224 return (FALSE); 225 } 226 mutex_unlock(&svcraw_lock); 227 228 xdrs = &srp->xdr_stream; 229 xdrs->x_op = XDR_FREE; 230 return (*xdr_args)(xdrs, args_ptr); 231 } 232 233 /*ARGSUSED*/ 234 static void 235 svc_raw_destroy(xprt) 236 SVCXPRT *xprt; 237 { 238 } 239 240 /*ARGSUSED*/ 241 static bool_t 242 svc_raw_control(xprt, rq, in) 243 SVCXPRT *xprt; 244 const u_int rq; 245 void *in; 246 { 247 return (FALSE); 248 } 249 250 static void 251 svc_raw_ops(xprt) 252 SVCXPRT *xprt; 253 { 254 static struct xp_ops ops; 255 static struct xp_ops2 ops2; 256 #ifdef _REENTRANT 257 extern mutex_t ops_lock; 258 #endif 259 260 _DIAGASSERT(xprt != NULL); 261 262 /* VARIABLES PROTECTED BY ops_lock: ops */ 263 264 mutex_lock(&ops_lock); 265 if (ops.xp_recv == NULL) { 266 ops.xp_recv = svc_raw_recv; 267 ops.xp_stat = svc_raw_stat; 268 ops.xp_getargs = svc_raw_getargs; 269 ops.xp_reply = svc_raw_reply; 270 ops.xp_freeargs = svc_raw_freeargs; 271 ops.xp_destroy = svc_raw_destroy; 272 ops2.xp_control = svc_raw_control; 273 } 274 xprt->xp_ops = &ops; 275 xprt->xp_ops2 = &ops2; 276 mutex_unlock(&ops_lock); 277 } 278
Indexes created Sun Sep 28 16:09:52 GMT 2025