svc_raw.c revision 1.21.2.1
1 /* $NetBSD: svc_raw.c,v 1.21.2.1 2012/04/17 00:05:23 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 1.21.2.1 2012/04/17 00:05:23 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(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 = 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(SVCXPRT *xprt) /* args needed to satisfy ANSI-C typechecking */ 133 { 134 return (XPRT_IDLE); 135 } 136 137 /*ARGSUSED*/ 138 static bool_t 139 svc_raw_recv(SVCXPRT *xprt, struct rpc_msg *msg) 140 { 141 struct svc_raw_private *srp; 142 XDR *xdrs; 143 144 mutex_lock(&svcraw_lock); 145 srp = svc_raw_private; 146 if (srp == NULL) { 147 mutex_unlock(&svcraw_lock); 148 return (FALSE); 149 } 150 mutex_unlock(&svcraw_lock); 151 152 xdrs = &srp->xdr_stream; 153 xdrs->x_op = XDR_DECODE; 154 (void) XDR_SETPOS(xdrs, 0); 155 if (! xdr_callmsg(xdrs, msg)) { 156 return (FALSE); 157 } 158 return (TRUE); 159 } 160 161 /*ARGSUSED*/ 162 static bool_t 163 svc_raw_reply(SVCXPRT *xprt, struct rpc_msg *msg) 164 { 165 struct svc_raw_private *srp; 166 XDR *xdrs; 167 168 mutex_lock(&svcraw_lock); 169 srp = svc_raw_private; 170 if (srp == NULL) { 171 mutex_unlock(&svcraw_lock); 172 return (FALSE); 173 } 174 mutex_unlock(&svcraw_lock); 175 176 xdrs = &srp->xdr_stream; 177 xdrs->x_op = XDR_ENCODE; 178 (void) XDR_SETPOS(xdrs, 0); 179 if (! xdr_replymsg(xdrs, msg)) { 180 return (FALSE); 181 } 182 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 183 return (TRUE); 184 } 185 186 /*ARGSUSED*/ 187 static bool_t 188 svc_raw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) 189 { 190 struct svc_raw_private *srp; 191 192 mutex_lock(&svcraw_lock); 193 srp = svc_raw_private; 194 if (srp == NULL) { 195 mutex_unlock(&svcraw_lock); 196 return (FALSE); 197 } 198 mutex_unlock(&svcraw_lock); 199 return (*xdr_args)(&srp->xdr_stream, args_ptr); 200 } 201 202 /*ARGSUSED*/ 203 static bool_t 204 svc_raw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) 205 { 206 struct svc_raw_private *srp; 207 XDR *xdrs; 208 209 mutex_lock(&svcraw_lock); 210 srp = svc_raw_private; 211 if (srp == NULL) { 212 mutex_unlock(&svcraw_lock); 213 return (FALSE); 214 } 215 mutex_unlock(&svcraw_lock); 216 217 xdrs = &srp->xdr_stream; 218 xdrs->x_op = XDR_FREE; 219 return (*xdr_args)(xdrs, args_ptr); 220 } 221 222 /*ARGSUSED*/ 223 static void 224 svc_raw_destroy(SVCXPRT *xprt) 225 { 226 } 227 228 /*ARGSUSED*/ 229 static bool_t 230 svc_raw_control(SVCXPRT *xprt, const u_int rq, void *in) 231 { 232 return (FALSE); 233 } 234 235 static void 236 svc_raw_ops(SVCXPRT *xprt) 237 { 238 static struct xp_ops ops; 239 static struct xp_ops2 ops2; 240 #ifdef _REENTRANT 241 extern mutex_t ops_lock; 242 #endif 243 244 _DIAGASSERT(xprt != NULL); 245 246 /* VARIABLES PROTECTED BY ops_lock: ops */ 247 248 mutex_lock(&ops_lock); 249 if (ops.xp_recv == NULL) { 250 ops.xp_recv = svc_raw_recv; 251 ops.xp_stat = svc_raw_stat; 252 ops.xp_getargs = svc_raw_getargs; 253 ops.xp_reply = svc_raw_reply; 254 ops.xp_freeargs = svc_raw_freeargs; 255 ops.xp_destroy = svc_raw_destroy; 256 ops2.xp_control = svc_raw_control; 257 } 258 xprt->xp_ops = &ops; 259 xprt->xp_ops2 = &ops2; 260 mutex_unlock(&ops_lock); 261 } 262
Indexes created Mon Sep 29 03:10:08 GMT 2025