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 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 <stdlib.h> 57 58 #ifdef __weak_alias 59 __weak_alias(svc_raw_create,_svc_raw_create) 60 #endif 61 62 #ifndef UDPMSGSIZE 63 #define UDPMSGSIZE 8800 64 #endif 65 66 /* 67 * This is the "network" that we will be moving data over 68 */ 69 static struct svc_raw_private { 70 char *raw_buf; /* should be shared with the cl handle */ 71 SVCXPRT server; 72 XDR xdr_stream; 73 char verf_body[MAX_AUTH_BYTES]; 74 } *svc_raw_private; 75 76 #ifdef __REENT 77 extern mutex_t svcraw_lock; 78 #endif 79 80 static enum xprt_stat svc_raw_stat __P((SVCXPRT *)); 81 static bool_t svc_raw_recv __P((SVCXPRT *, struct rpc_msg *)); 82 static bool_t svc_raw_reply __P((SVCXPRT *, struct rpc_msg *)); 83 static bool_t svc_raw_getargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 84 static bool_t svc_raw_freeargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 85 static void svc_raw_destroy __P((SVCXPRT *)); 86 static void svc_raw_ops __P((SVCXPRT *)); 87 static bool_t svc_raw_control __P((SVCXPRT *, const u_int, void *)); 88 89 char *__rpc_rawcombuf = NULL; 90 91 SVCXPRT * 92 svc_raw_create() 93 { 94 struct svc_raw_private *srp; 95 /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */ 96 97 mutex_lock(&svcraw_lock); 98 srp = svc_raw_private; 99 if (srp == NULL) { 100 srp = (struct svc_raw_private *)calloc(1, sizeof (*srp)); 101 if (srp == NULL) { 102 mutex_unlock(&svcraw_lock); 103 return (NULL); 104 } 105 if (__rpc_rawcombuf == NULL) 106 __rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char)); 107 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */ 108 svc_raw_private = srp; 109 } 110 srp->server.xp_fd = FD_SETSIZE; 111 srp->server.xp_port = 0; 112 srp->server.xp_p3 = NULL; 113 svc_raw_ops(&srp->server); 114 srp->server.xp_verf.oa_base = srp->verf_body; 115 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE); 116 xprt_register(&srp->server); 117 mutex_unlock(&svcraw_lock); 118 return (&srp->server); 119 } 120 121 /*ARGSUSED*/ 122 static enum xprt_stat 123 svc_raw_stat(xprt) 124 SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */ 125 { 126 return (XPRT_IDLE); 127 } 128 129 /*ARGSUSED*/ 130 static bool_t 131 svc_raw_recv(xprt, msg) 132 SVCXPRT *xprt; 133 struct rpc_msg *msg; 134 { 135 struct svc_raw_private *srp; 136 XDR *xdrs; 137 138 mutex_lock(&svcraw_lock); 139 srp = svc_raw_private; 140 if (srp == NULL) { 141 mutex_unlock(&svcraw_lock); 142 return (FALSE); 143 } 144 mutex_unlock(&svcraw_lock); 145 146 xdrs = &srp->xdr_stream; 147 xdrs->x_op = XDR_DECODE; 148 (void) XDR_SETPOS(xdrs, 0); 149 if (! xdr_callmsg(xdrs, msg)) { 150 return (FALSE); 151 } 152 return (TRUE); 153 } 154 155 /*ARGSUSED*/ 156 static bool_t 157 svc_raw_reply(xprt, msg) 158 SVCXPRT *xprt; 159 struct rpc_msg *msg; 160 { 161 struct svc_raw_private *srp; 162 XDR *xdrs; 163 164 mutex_lock(&svcraw_lock); 165 srp = svc_raw_private; 166 if (srp == NULL) { 167 mutex_unlock(&svcraw_lock); 168 return (FALSE); 169 } 170 mutex_unlock(&svcraw_lock); 171 172 xdrs = &srp->xdr_stream; 173 xdrs->x_op = XDR_ENCODE; 174 (void) XDR_SETPOS(xdrs, 0); 175 if (! xdr_replymsg(xdrs, msg)) { 176 return (FALSE); 177 } 178 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 179 return (TRUE); 180 } 181 182 /*ARGSUSED*/ 183 static bool_t 184 svc_raw_getargs(xprt, xdr_args, args_ptr) 185 SVCXPRT *xprt; 186 xdrproc_t xdr_args; 187 caddr_t args_ptr; 188 { 189 struct svc_raw_private *srp; 190 191 mutex_lock(&svcraw_lock); 192 srp = svc_raw_private; 193 if (srp == NULL) { 194 mutex_unlock(&svcraw_lock); 195 return (FALSE); 196 } 197 mutex_unlock(&svcraw_lock); 198 return (*xdr_args)(&srp->xdr_stream, args_ptr); 199 } 200 201 /*ARGSUSED*/ 202 static bool_t 203 svc_raw_freeargs(xprt, xdr_args, args_ptr) 204 SVCXPRT *xprt; 205 xdrproc_t xdr_args; 206 caddr_t args_ptr; 207 { 208 struct svc_raw_private *srp; 209 XDR *xdrs; 210 211 mutex_lock(&svcraw_lock); 212 srp = svc_raw_private; 213 if (srp == NULL) { 214 mutex_unlock(&svcraw_lock); 215 return (FALSE); 216 } 217 mutex_unlock(&svcraw_lock); 218 219 xdrs = &srp->xdr_stream; 220 xdrs->x_op = XDR_FREE; 221 return (*xdr_args)(xdrs, args_ptr); 222 } 223 224 /*ARGSUSED*/ 225 static void 226 svc_raw_destroy(xprt) 227 SVCXPRT *xprt; 228 { 229 } 230 231 /*ARGSUSED*/ 232 static bool_t 233 svc_raw_control(xprt, rq, in) 234 SVCXPRT *xprt; 235 const u_int rq; 236 void *in; 237 { 238 return (FALSE); 239 } 240 241 static void 242 svc_raw_ops(xprt) 243 SVCXPRT *xprt; 244 { 245 static struct xp_ops ops; 246 static struct xp_ops2 ops2; 247 #ifdef __REENT 248 extern mutex_t ops_lock; 249 #endif 250 251 /* VARIABLES PROTECTED BY ops_lock: ops */ 252 253 mutex_lock(&ops_lock); 254 if (ops.xp_recv == NULL) { 255 ops.xp_recv = svc_raw_recv; 256 ops.xp_stat = svc_raw_stat; 257 ops.xp_getargs = svc_raw_getargs; 258 ops.xp_reply = svc_raw_reply; 259 ops.xp_freeargs = svc_raw_freeargs; 260 ops.xp_destroy = svc_raw_destroy; 261 ops2.xp_control = svc_raw_control; 262 } 263 xprt->xp_ops = &ops; 264 xprt->xp_ops2 = &ops2; 265 mutex_unlock(&ops_lock); 266 } 267