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 svc_raw_private = srp; 103 } 104 srp->server.xp_fd = FD_SETSIZE; 105 srp->server.xp_port = 0; 106 srp->server.xp_p3 = NULL; 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; 157 158 mutex_lock(&svcraw_lock); 159 srp = svc_raw_private; 160 if (srp == NULL) { 161 mutex_unlock(&svcraw_lock); 162 return (FALSE); 163 } 164 mutex_unlock(&svcraw_lock); 165 166 xdrs = &srp->xdr_stream; 167 xdrs->x_op = XDR_ENCODE; 168 (void) XDR_SETPOS(xdrs, 0); 169 if (! xdr_replymsg(xdrs, msg)) { 170 return (FALSE); 171 } 172 (void) XDR_GETPOS(xdrs); /* called just for overhead */ 173 return (TRUE); 174 } 175 176 /*ARGSUSED*/ 177 static bool_t 178 svc_raw_getargs(xprt, xdr_args, args_ptr) 179 SVCXPRT *xprt; 180 xdrproc_t xdr_args; 181 void *args_ptr; 182 { 183 struct svc_raw_private *srp; 184 185 mutex_lock(&svcraw_lock); 186 srp = svc_raw_private; 187 if (srp == NULL) { 188 mutex_unlock(&svcraw_lock); 189 return (FALSE); 190 } 191 mutex_unlock(&svcraw_lock); 192 return (*xdr_args)(&srp->xdr_stream, args_ptr); 193 } 194 195 /*ARGSUSED*/ 196 static bool_t 197 svc_raw_freeargs(xprt, xdr_args, args_ptr) 198 SVCXPRT *xprt; 199 xdrproc_t xdr_args; 200 void *args_ptr; 201 { 202 struct svc_raw_private *srp; 203 XDR *xdrs; 204 205 mutex_lock(&svcraw_lock); 206 srp = svc_raw_private; 207 if (srp == NULL) { 208 mutex_unlock(&svcraw_lock); 209 return (FALSE); 210 } 211 mutex_unlock(&svcraw_lock); 212 213 xdrs = &srp->xdr_stream; 214 xdrs->x_op = XDR_FREE; 215 return (*xdr_args)(xdrs, args_ptr); 216 } 217 218 /*ARGSUSED*/ 219 static void 220 svc_raw_destroy(xprt) 221 SVCXPRT *xprt; 222 { 223 } 224 225 /*ARGSUSED*/ 226 static bool_t 227 svc_raw_control(xprt, rq, in) 228 SVCXPRT *xprt; 229 const u_int rq; 230 void *in; 231 { 232 return (FALSE); 233 } 234 235 static void 236 svc_raw_ops(xprt) 237 SVCXPRT *xprt; 238 { 239 static struct xp_ops ops; 240 static struct xp_ops2 ops2; 241 242 /* VARIABLES PROTECTED BY ops_lock: ops */ 243 244 mutex_lock(&ops_lock); 245 if (ops.xp_recv == NULL) { 246 ops.xp_recv = svc_raw_recv; 247 ops.xp_stat = svc_raw_stat; 248 ops.xp_getargs = svc_raw_getargs; 249 ops.xp_reply = svc_raw_reply; 250 ops.xp_freeargs = svc_raw_freeargs; 251 ops.xp_destroy = svc_raw_destroy; 252 ops2.xp_control = svc_raw_control; 253 } 254 xprt->xp_ops = &ops; 255 xprt->xp_ops2 = &ops2; 256 mutex_unlock(&ops_lock); 257 } 258