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(LIBC_SCCS) && !defined(lint) 38 static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro"; 39 #endif 40 #include <sys/cdefs.h> 41 __FBSDID("$FreeBSD$"); 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 #include "mt_misc.h" 59 60 #ifndef UDPMSGSIZE 61 #define UDPMSGSIZE 8800 62 #endif 63 64 /* 65 * This is the "network" that we will be moving data over 66 */ 67 static struct svc_raw_private { 68 char *raw_buf; /* should be shared with the cl handle */ 69 SVCXPRT *server; 70 XDR xdr_stream; 71 char verf_body[MAX_AUTH_BYTES]; 72 } *svc_raw_private; 73 74 static enum xprt_stat svc_raw_stat(SVCXPRT *); 75 static bool_t svc_raw_recv(SVCXPRT *, struct rpc_msg *); 76 static bool_t svc_raw_reply(SVCXPRT *, struct rpc_msg *); 77 static bool_t svc_raw_getargs(SVCXPRT *, xdrproc_t, void *); 78 static bool_t svc_raw_freeargs(SVCXPRT *, xdrproc_t, void *); 79 static void svc_raw_destroy(SVCXPRT *); 80 static void svc_raw_ops(SVCXPRT *); 81 static bool_t svc_raw_control(SVCXPRT *, const u_int, void *); 82 83 char *__rpc_rawcombuf = NULL; 84 85 SVCXPRT * 86 svc_raw_create() 87 { 88 struct svc_raw_private *srp; 89 /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */ 90 91 mutex_lock(&svcraw_lock); 92 srp = svc_raw_private; 93 if (srp == NULL) { 94 srp = (struct svc_raw_private *)calloc(1, sizeof (*srp)); 95 if (srp == NULL) { 96 mutex_unlock(&svcraw_lock); 97 return (NULL); 98 } 99 if (__rpc_rawcombuf == NULL) 100 __rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char)); 101 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */ 102 srp->server = svc_xprt_alloc(); 103 svc_raw_private = srp; 104 } 105 srp->server->xp_fd = FD_SETSIZE; 106 srp->server->xp_port = 0; 107 svc_raw_ops(srp->server); 108 srp->server->xp_verf.oa_base = srp->verf_body; 109 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE); 110 xprt_register(srp->server); 111 mutex_unlock(&svcraw_lock); 112 return (srp->server); 113 } 114 115 /*ARGSUSED*/ 116 static enum xprt_stat 117 svc_raw_stat(xprt) 118 SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */ 119 { 120 return (XPRT_IDLE); 121 } 122 123 /*ARGSUSED*/ 124 static bool_t 125 svc_raw_recv(xprt, msg) 126 SVCXPRT *xprt; 127 struct rpc_msg *msg; 128 { 129 struct svc_raw_private *srp; 130 XDR *xdrs; 131 132 mutex_lock(&svcraw_lock); 133 srp = svc_raw_private; 134 if (srp == NULL) { 135 mutex_unlock(&svcraw_lock); 136 return (FALSE); 137 } 138 mutex_unlock(&svcraw_lock); 139 140 xdrs = &srp->xdr_stream; 141 xdrs->x_op = XDR_DECODE; 142 (void) XDR_SETPOS(xdrs, 0); 143 if (! xdr_callmsg(xdrs, msg)) { 144 return (FALSE); 145 } 146 return (TRUE); 147 } 148 149 /*ARGSUSED*/ 150 static bool_t 151 svc_raw_reply(xprt, msg) 152 SVCXPRT *xprt; 153 struct rpc_msg *msg; 154 { 155 struct svc_raw_private *srp; 156 XDR *xdrs; 157 bool_t stat; 158 xdrproc_t xdr_proc; 159 caddr_t xdr_where; 160 161 mutex_lock(&svcraw_lock); 162 srp = svc_raw_private; 163 if (srp == NULL) { 164 mutex_unlock(&svcraw_lock); 165 return (FALSE); 166 } 167 mutex_unlock(&svcraw_lock); 168 169 xdrs = &srp->xdr_stream; 170 xdrs->x_op = XDR_ENCODE; 171 (void) XDR_SETPOS(xdrs, 0); 172 if (msg->rm_reply.rp_stat == MSG_ACCEPTED && 173 msg->rm_reply.rp_acpt.ar_stat == SUCCESS) { 174 xdr_proc = msg->acpted_rply.ar_results.proc; 175 xdr_where = msg->acpted_rply.ar_results.where; 176 msg->acpted_rply.ar_results.proc = (xdrproc_t) xdr_void; 177 msg->acpted_rply.ar_results.where = NULL; 178 179 stat = xdr_replymsg(xdrs, msg) && 180 SVCAUTH_WRAP(&SVC_AUTH(xprt), xdrs, xdr_proc, xdr_where); 181 } else { 182 stat = xdr_replymsg(xdrs, msg); 183 } 184 if (!stat) { 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 void *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); 207 208 return (SVCAUTH_UNWRAP(&SVC_AUTH(xprt), &srp->xdr_stream, 209 xdr_args, args_ptr)); 210 } 211 212 /*ARGSUSED*/ 213 static bool_t 214 svc_raw_freeargs(xprt, xdr_args, args_ptr) 215 SVCXPRT *xprt; 216 xdrproc_t xdr_args; 217 void *args_ptr; 218 { 219 struct svc_raw_private *srp; 220 XDR *xdrs; 221 222 mutex_lock(&svcraw_lock); 223 srp = svc_raw_private; 224 if (srp == NULL) { 225 mutex_unlock(&svcraw_lock); 226 return (FALSE); 227 } 228 mutex_unlock(&svcraw_lock); 229 230 xdrs = &srp->xdr_stream; 231 xdrs->x_op = XDR_FREE; 232 return (*xdr_args)(xdrs, args_ptr); 233 } 234 235 /*ARGSUSED*/ 236 static void 237 svc_raw_destroy(xprt) 238 SVCXPRT *xprt; 239 { 240 } 241 242 /*ARGSUSED*/ 243 static bool_t 244 svc_raw_control(xprt, rq, in) 245 SVCXPRT *xprt; 246 const u_int rq; 247 void *in; 248 { 249 return (FALSE); 250 } 251 252 static void 253 svc_raw_ops(xprt) 254 SVCXPRT *xprt; 255 { 256 static struct xp_ops ops; 257 static struct xp_ops2 ops2; 258 259 /* VARIABLES PROTECTED BY ops_lock: ops */ 260 261 mutex_lock(&ops_lock); 262 if (ops.xp_recv == NULL) { 263 ops.xp_recv = svc_raw_recv; 264 ops.xp_stat = svc_raw_stat; 265 ops.xp_getargs = svc_raw_getargs; 266 ops.xp_reply = svc_raw_reply; 267 ops.xp_freeargs = svc_raw_freeargs; 268 ops.xp_destroy = svc_raw_destroy; 269 ops2.xp_control = svc_raw_control; 270 } 271 xprt->xp_ops = &ops; 272 xprt->xp_ops2 = &ops2; 273 mutex_unlock(&ops_lock); 274 } 275