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(SCCSIDS) && !defined(lint) 39 static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro"; 40 static char *rcsid = "$FreeBSD$"; 41 #endif 42 #endif 43 44 /* 45 * svc_raw.c, This a toy for simple testing and timing. 46 * Interface to create an rpc client and server in the same UNIX process. 47 * This lets us similate rpc and get rpc (round trip) overhead, without 48 * any interference from the kernal. 49 * 50 */ 51 52 #include "namespace.h" 53 #include "reentrant.h" 54 #include <rpc/rpc.h> 55 #include <sys/types.h> 56 #include <rpc/raw.h> 57 #include <stdlib.h> 58 #include "un-namespace.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 extern mutex_t svcraw_lock; 75 76 static enum xprt_stat svc_raw_stat __P((SVCXPRT *)); 77 static bool_t svc_raw_recv __P((SVCXPRT *, struct rpc_msg *)); 78 static bool_t svc_raw_reply __P((SVCXPRT *, struct rpc_msg *)); 79 static bool_t svc_raw_getargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 80 static bool_t svc_raw_freeargs __P((SVCXPRT *, xdrproc_t, caddr_t)); 81 static void svc_raw_destroy __P((SVCXPRT *)); 82 static void svc_raw_ops __P((SVCXPRT *)); 83 static bool_t svc_raw_control __P((SVCXPRT *, const u_int, void *)); 84 85 char *__rpc_rawcombuf = NULL; 86 87 SVCXPRT * 88 svc_raw_create() 89 { 90 struct svc_raw_private *srp; 91 /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */ 92 93 mutex_lock(&svcraw_lock); 94 srp = svc_raw_private; 95 if (srp == NULL) { 96 srp = (struct svc_raw_private *)calloc(1, sizeof (*srp)); 97 if (srp == NULL) { 98 mutex_unlock(&svcraw_lock); 99 return (NULL); 100 } 101 if (__rpc_rawcombuf == NULL) 102 __rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char)); 103 srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */ 104 svc_raw_private = srp; 105 } 106 srp->server.xp_fd = FD_SETSIZE; 107 srp->server.xp_port = 0; 108 srp->server.xp_p3 = NULL; 109 svc_raw_ops(&srp->server); 110 srp->server.xp_verf.oa_base = srp->verf_body; 111 xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE); 112 xprt_register(&srp->server); 113 mutex_unlock(&svcraw_lock); 114 return (&srp->server); 115 } 116 117 /*ARGSUSED*/ 118 static enum xprt_stat 119 svc_raw_stat(xprt) 120 SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */ 121 { 122 return (XPRT_IDLE); 123 } 124 125 /*ARGSUSED*/ 126 static bool_t 127 svc_raw_recv(xprt, msg) 128 SVCXPRT *xprt; 129 struct rpc_msg *msg; 130 { 131 struct svc_raw_private *srp; 132 XDR *xdrs; 133 134 mutex_lock(&svcraw_lock); 135 srp = svc_raw_private; 136 if (srp == NULL) { 137 mutex_unlock(&svcraw_lock); 138 return (FALSE); 139 } 140 mutex_unlock(&svcraw_lock); 141 142 xdrs = &srp->xdr_stream; 143 xdrs->x_op = XDR_DECODE; 144 (void) XDR_SETPOS(xdrs, 0); 145 if (! xdr_callmsg(xdrs, msg)) { 146 return (FALSE); 147 } 148 return (TRUE); 149 } 150 151 /*ARGSUSED*/ 152 static bool_t 153 svc_raw_reply(xprt, msg) 154 SVCXPRT *xprt; 155 struct rpc_msg *msg; 156 { 157 struct svc_raw_private *srp; 158 XDR *xdrs; 159 160 mutex_lock(&svcraw_lock); 161 srp = svc_raw_private; 162 if (srp == NULL) { 163 mutex_unlock(&svcraw_lock); 164 return (FALSE); 165 } 166 mutex_unlock(&svcraw_lock); 167 168 xdrs = &srp->xdr_stream; 169 xdrs->x_op = XDR_ENCODE; 170 (void) XDR_SETPOS(xdrs, 0); 171 if (! xdr_replymsg(xdrs, msg)) { 172 return (FALSE); 173 } 174 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 175 return (TRUE); 176 } 177 178 /*ARGSUSED*/ 179 static bool_t 180 svc_raw_getargs(xprt, xdr_args, args_ptr) 181 SVCXPRT *xprt; 182 xdrproc_t xdr_args; 183 caddr_t args_ptr; 184 { 185 struct svc_raw_private *srp; 186 187 mutex_lock(&svcraw_lock); 188 srp = svc_raw_private; 189 if (srp == NULL) { 190 mutex_unlock(&svcraw_lock); 191 return (FALSE); 192 } 193 mutex_unlock(&svcraw_lock); 194 return (*xdr_args)(&srp->xdr_stream, args_ptr); 195 } 196 197 /*ARGSUSED*/ 198 static bool_t 199 svc_raw_freeargs(xprt, xdr_args, args_ptr) 200 SVCXPRT *xprt; 201 xdrproc_t xdr_args; 202 caddr_t args_ptr; 203 { 204 struct svc_raw_private *srp; 205 XDR *xdrs; 206 207 mutex_lock(&svcraw_lock); 208 srp = svc_raw_private; 209 if (srp == NULL) { 210 mutex_unlock(&svcraw_lock); 211 return (FALSE); 212 } 213 mutex_unlock(&svcraw_lock); 214 215 xdrs = &srp->xdr_stream; 216 xdrs->x_op = XDR_FREE; 217 return (*xdr_args)(xdrs, args_ptr); 218 } 219 220 /*ARGSUSED*/ 221 static void 222 svc_raw_destroy(xprt) 223 SVCXPRT *xprt; 224 { 225 } 226 227 /*ARGSUSED*/ 228 static bool_t 229 svc_raw_control(xprt, rq, in) 230 SVCXPRT *xprt; 231 const u_int rq; 232 void *in; 233 { 234 return (FALSE); 235 } 236 237 static void 238 svc_raw_ops(xprt) 239 SVCXPRT *xprt; 240 { 241 static struct xp_ops ops; 242 static struct xp_ops2 ops2; 243 extern mutex_t ops_lock; 244 245 /* VARIABLES PROTECTED BY ops_lock: ops */ 246 247 mutex_lock(&ops_lock); 248 if (ops.xp_recv == NULL) { 249 ops.xp_recv = svc_raw_recv; 250 ops.xp_stat = svc_raw_stat; 251 ops.xp_getargs = svc_raw_getargs; 252 ops.xp_reply = svc_raw_reply; 253 ops.xp_freeargs = svc_raw_freeargs; 254 ops.xp_destroy = svc_raw_destroy; 255 ops2.xp_control = svc_raw_control; 256 } 257 xprt->xp_ops = &ops; 258 xprt->xp_ops2 = &ops2; 259 mutex_unlock(&ops_lock); 260 } 261