svc_raw.c revision 92990
1/* $NetBSD: svc_raw.c,v 1.14 2000/07/06 03:10:35 christos 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#if defined(SCCSIDS) && !defined(lint) 38static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro"; 39#endif 40#include <sys/cdefs.h> 41__FBSDID("$FreeBSD: head/lib/libc/rpc/svc_raw.c 92990 2002-03-22 23:18:37Z obrien $"); 42 43/* 44 * svc_raw.c, This a toy for simple testing and timing. 45 * Interface to create an rpc client and server in the same UNIX process. 46 * This lets us similate rpc and get rpc (round trip) overhead, without 47 * any interference from the kernel. 48 * 49 */ 50 51#include "namespace.h" 52#include "reentrant.h" 53#include <rpc/rpc.h> 54#include <sys/types.h> 55#include <rpc/raw.h> 56#include <stdlib.h> 57#include "un-namespace.h" 58 59#ifndef UDPMSGSIZE 60#define UDPMSGSIZE 8800 61#endif 62 63/* 64 * This is the "network" that we will be moving data over 65 */ 66static struct svc_raw_private { 67 char *raw_buf; /* should be shared with the cl handle */ 68 SVCXPRT server; 69 XDR xdr_stream; 70 char verf_body[MAX_AUTH_BYTES]; 71} *svc_raw_private; 72 73extern mutex_t svcraw_lock; 74 75static enum xprt_stat svc_raw_stat(SVCXPRT *); 76static bool_t svc_raw_recv(SVCXPRT *, struct rpc_msg *); 77static bool_t svc_raw_reply(SVCXPRT *, struct rpc_msg *); 78static bool_t svc_raw_getargs(SVCXPRT *, xdrproc_t, caddr_t); 79static bool_t svc_raw_freeargs(SVCXPRT *, xdrproc_t, caddr_t); 80static void svc_raw_destroy(SVCXPRT *); 81static void svc_raw_ops(SVCXPRT *); 82static bool_t svc_raw_control(SVCXPRT *, const u_int, void *); 83 84char *__rpc_rawcombuf = NULL; 85 86SVCXPRT * 87svc_raw_create() 88{ 89 struct svc_raw_private *srp; 90/* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */ 91 92 mutex_lock(&svcraw_lock); 93 srp = svc_raw_private; 94 if (srp == NULL) { 95 srp = (struct svc_raw_private *)calloc(1, sizeof (*srp)); 96 if (srp == NULL) { 97 mutex_unlock(&svcraw_lock); 98 return (NULL); 99 } 100 if (__rpc_rawcombuf == NULL) 101 __rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char)); 102 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */ 103 svc_raw_private = srp; 104 } 105 srp->server.xp_fd = FD_SETSIZE; 106 srp->server.xp_port = 0; 107 srp->server.xp_p3 = NULL; 108 svc_raw_ops(&srp->server); 109 srp->server.xp_verf.oa_base = srp->verf_body; 110 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE); 111 xprt_register(&srp->server); 112 mutex_unlock(&svcraw_lock); 113 return (&srp->server); 114} 115 116/*ARGSUSED*/ 117static enum xprt_stat 118svc_raw_stat(xprt) 119SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */ 120{ 121 return (XPRT_IDLE); 122} 123 124/*ARGSUSED*/ 125static bool_t 126svc_raw_recv(xprt, msg) 127 SVCXPRT *xprt; 128 struct rpc_msg *msg; 129{ 130 struct svc_raw_private *srp; 131 XDR *xdrs; 132 133 mutex_lock(&svcraw_lock); 134 srp = svc_raw_private; 135 if (srp == NULL) { 136 mutex_unlock(&svcraw_lock); 137 return (FALSE); 138 } 139 mutex_unlock(&svcraw_lock); 140 141 xdrs = &srp->xdr_stream; 142 xdrs->x_op = XDR_DECODE; 143 (void) XDR_SETPOS(xdrs, 0); 144 if (! xdr_callmsg(xdrs, msg)) { 145 return (FALSE); 146 } 147 return (TRUE); 148} 149 150/*ARGSUSED*/ 151static bool_t 152svc_raw_reply(xprt, msg) 153 SVCXPRT *xprt; 154 struct rpc_msg *msg; 155{ 156 struct svc_raw_private *srp; 157 XDR *xdrs; 158 159 mutex_lock(&svcraw_lock); 160 srp = svc_raw_private; 161 if (srp == NULL) { 162 mutex_unlock(&svcraw_lock); 163 return (FALSE); 164 } 165 mutex_unlock(&svcraw_lock); 166 167 xdrs = &srp->xdr_stream; 168 xdrs->x_op = XDR_ENCODE; 169 (void) XDR_SETPOS(xdrs, 0); 170 if (! xdr_replymsg(xdrs, msg)) { 171 return (FALSE); 172 } 173 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 174 return (TRUE); 175} 176 177/*ARGSUSED*/ 178static bool_t 179svc_raw_getargs(xprt, xdr_args, args_ptr) 180 SVCXPRT *xprt; 181 xdrproc_t xdr_args; 182 caddr_t args_ptr; 183{ 184 struct svc_raw_private *srp; 185 186 mutex_lock(&svcraw_lock); 187 srp = svc_raw_private; 188 if (srp == NULL) { 189 mutex_unlock(&svcraw_lock); 190 return (FALSE); 191 } 192 mutex_unlock(&svcraw_lock); 193 return (*xdr_args)(&srp->xdr_stream, args_ptr); 194} 195 196/*ARGSUSED*/ 197static bool_t 198svc_raw_freeargs(xprt, xdr_args, args_ptr) 199 SVCXPRT *xprt; 200 xdrproc_t xdr_args; 201 caddr_t args_ptr; 202{ 203 struct svc_raw_private *srp; 204 XDR *xdrs; 205 206 mutex_lock(&svcraw_lock); 207 srp = svc_raw_private; 208 if (srp == NULL) { 209 mutex_unlock(&svcraw_lock); 210 return (FALSE); 211 } 212 mutex_unlock(&svcraw_lock); 213 214 xdrs = &srp->xdr_stream; 215 xdrs->x_op = XDR_FREE; 216 return (*xdr_args)(xdrs, args_ptr); 217} 218 219/*ARGSUSED*/ 220static void 221svc_raw_destroy(xprt) 222SVCXPRT *xprt; 223{ 224} 225 226/*ARGSUSED*/ 227static bool_t 228svc_raw_control(xprt, rq, in) 229 SVCXPRT *xprt; 230 const u_int rq; 231 void *in; 232{ 233 return (FALSE); 234} 235 236static void 237svc_raw_ops(xprt) 238 SVCXPRT *xprt; 239{ 240 static struct xp_ops ops; 241 static struct xp_ops2 ops2; 242 extern mutex_t ops_lock; 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