1 /* $NetBSD: svc_raw.c,v 1.15 2001/01/04 14:42:22 lukem 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 0 38 #if !defined(lint) && defined(SCCSIDS) 39 static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro"; 40 #endif 41 #endif 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 kernal. 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 <assert.h> 57 #include <stdlib.h> 58 59 #ifdef __weak_alias 60 __weak_alias(svc_raw_create,_svc_raw_create) 61 #endif 62 63 #ifndef UDPMSGSIZE 64 #define UDPMSGSIZE 8800 65 #endif 66 67 /* 68 * This is the "network" that we will be moving data over 69 */ 70 static struct svc_raw_private { 71 char *raw_buf; /* should be shared with the cl handle */ 72 SVCXPRT server; 73 XDR xdr_stream; 74 char verf_body[MAX_AUTH_BYTES]; 75 } *svc_raw_private; 76 77 #ifdef __REENT 78 extern mutex_t svcraw_lock; 79 #endif 80 81 static enum xprt_stat svc_raw_stat __P((SVCXPRT *)); 82 static bool_t svc_raw_recv __P((SVCXPRT *, struct rpc_msg *)); 83 static bool_t svc_raw_reply __P((SVCXPRT *, struct rpc_msg *)); 84 static bool_t svc_raw_getargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 85 static bool_t svc_raw_freeargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 86 static void svc_raw_destroy __P((SVCXPRT *)); 87 static void svc_raw_ops __P((SVCXPRT *)); 88 static bool_t svc_raw_control __P((SVCXPRT *, const u_int, void *)); 89 90 char *__rpc_rawcombuf = NULL; 91 92 SVCXPRT * 93 svc_raw_create() 94 { 95 struct svc_raw_private *srp; 96 /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */ 97 98 mutex_lock(&svcraw_lock); 99 srp = svc_raw_private; 100 if (srp == NULL) { 101 srp = (struct svc_raw_private *)calloc(1, sizeof (*srp)); 102 if (srp == NULL) { 103 mutex_unlock(&svcraw_lock); 104 return (NULL); 105 } 106 if (__rpc_rawcombuf == NULL) 107 __rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char)); 108 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */ 109 svc_raw_private = srp; 110 } 111 srp->server.xp_fd = FD_SETSIZE; 112 srp->server.xp_port = 0; 113 srp->server.xp_p3 = NULL; 114 svc_raw_ops(&srp->server); 115 srp->server.xp_verf.oa_base = srp->verf_body; 116 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE); 117 xprt_register(&srp->server); 118 mutex_unlock(&svcraw_lock); 119 return (&srp->server); 120 } 121 122 /*ARGSUSED*/ 123 static enum xprt_stat 124 svc_raw_stat(xprt) 125 SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */ 126 { 127 return (XPRT_IDLE); 128 } 129 130 /*ARGSUSED*/ 131 static bool_t 132 svc_raw_recv(xprt, msg) 133 SVCXPRT *xprt; 134 struct rpc_msg *msg; 135 { 136 struct svc_raw_private *srp; 137 XDR *xdrs; 138 139 mutex_lock(&svcraw_lock); 140 srp = svc_raw_private; 141 if (srp == NULL) { 142 mutex_unlock(&svcraw_lock); 143 return (FALSE); 144 } 145 mutex_unlock(&svcraw_lock); 146 147 xdrs = &srp->xdr_stream; 148 xdrs->x_op = XDR_DECODE; 149 (void) XDR_SETPOS(xdrs, 0); 150 if (! xdr_callmsg(xdrs, msg)) { 151 return (FALSE); 152 } 153 return (TRUE); 154 } 155 156 /*ARGSUSED*/ 157 static bool_t 158 svc_raw_reply(xprt, msg) 159 SVCXPRT *xprt; 160 struct rpc_msg *msg; 161 { 162 struct svc_raw_private *srp; 163 XDR *xdrs; 164 165 mutex_lock(&svcraw_lock); 166 srp = svc_raw_private; 167 if (srp == NULL) { 168 mutex_unlock(&svcraw_lock); 169 return (FALSE); 170 } 171 mutex_unlock(&svcraw_lock); 172 173 xdrs = &srp->xdr_stream; 174 xdrs->x_op = XDR_ENCODE; 175 (void) XDR_SETPOS(xdrs, 0); 176 if (! xdr_replymsg(xdrs, msg)) { 177 return (FALSE); 178 } 179 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 180 return (TRUE); 181 } 182 183 /*ARGSUSED*/ 184 static bool_t 185 svc_raw_getargs(xprt, xdr_args, args_ptr) 186 SVCXPRT *xprt; 187 xdrproc_t xdr_args; 188 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(xprt, xdr_args, args_ptr) 205 SVCXPRT *xprt; 206 xdrproc_t xdr_args; 207 caddr_t args_ptr; 208 { 209 struct svc_raw_private *srp; 210 XDR *xdrs; 211 212 mutex_lock(&svcraw_lock); 213 srp = svc_raw_private; 214 if (srp == NULL) { 215 mutex_unlock(&svcraw_lock); 216 return (FALSE); 217 } 218 mutex_unlock(&svcraw_lock); 219 220 xdrs = &srp->xdr_stream; 221 xdrs->x_op = XDR_FREE; 222 return (*xdr_args)(xdrs, args_ptr); 223 } 224 225 /*ARGSUSED*/ 226 static void 227 svc_raw_destroy(xprt) 228 SVCXPRT *xprt; 229 { 230 } 231 232 /*ARGSUSED*/ 233 static bool_t 234 svc_raw_control(xprt, rq, in) 235 SVCXPRT *xprt; 236 const u_int rq; 237 void *in; 238 { 239 return (FALSE); 240 } 241 242 static void 243 svc_raw_ops(xprt) 244 SVCXPRT *xprt; 245 { 246 static struct xp_ops ops; 247 static struct xp_ops2 ops2; 248 #ifdef __REENT 249 extern mutex_t ops_lock; 250 #endif 251 252 _DIAGASSERT(xprt != NULL); 253 254 /* VARIABLES PROTECTED BY ops_lock: ops */ 255 256 mutex_lock(&ops_lock); 257 if (ops.xp_recv == NULL) { 258 ops.xp_recv = svc_raw_recv; 259 ops.xp_stat = svc_raw_stat; 260 ops.xp_getargs = svc_raw_getargs; 261 ops.xp_reply = svc_raw_reply; 262 ops.xp_freeargs = svc_raw_freeargs; 263 ops.xp_destroy = svc_raw_destroy; 264 ops2.xp_control = svc_raw_control; 265 } 266 xprt->xp_ops = &ops; 267 xprt->xp_ops2 = &ops2; 268 mutex_unlock(&ops_lock); 269 } 270