rpc.subproj/svc_raw.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  27  * unrestricted use provided that this legend is included on all tape
  28  * media and as a part of the software program in whole or part.  Users
  29  * may copy or modify Sun RPC without charge, but are not authorized
  30  * to license or distribute it to anyone else except as part of a product or
  31  * program developed by the user.
  32  *
  33  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  34  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  35  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  36  *
  37  * Sun RPC is provided with no support and without any obligation on the
  38  * part of Sun Microsystems, Inc. to assist in its use, correction,
  39  * modification or enhancement.
  40  *
  41  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  42  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  43  * OR ANY PART THEREOF.
  44  *
  45  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  46  * or profits or other special, indirect and consequential damages, even if
  47  * Sun has been advised of the possibility of such damages.
  48  *
  49  * Sun Microsystems, Inc.
  50  * 2550 Garcia Avenue
  51  * Mountain View, California  94043
  52  */
  53
  54 #if defined(LIBC_SCCS) && !defined(lint)
  55 /*static char *sccsid = "from: @(#)svc_raw.c 1.15 87/08/11 Copyr 1984 Sun Micro";*/
  56 /*static char *sccsid = "from: @(#)svc_raw.c    2.1 88/07/29 4.0 RPCSRC";*/
  57 static char *rcsid = "$Id: svc_raw.c,v 1.3 2002/02/19 20:36:25 epeyton Exp $";
  58 #endif
  59
  60 /*
  61  * svc_raw.c,   This a toy for simple testing and timing.
  62  * Interface to create an rpc client and server in the same UNIX process.
  63  * This lets us similate rpc and get rpc (round trip) overhead, without
  64  * any interference from the kernal.
  65  *
  66  * Copyright (C) 1984, Sun Microsystems, Inc.
  67  */
  68
  69 #include <stdlib.h>
  70 #include <rpc/rpc.h>
  71
  72
  73 /*
  74  * This is the "network" that we will be moving data over
  75  */
  76 static struct svcraw_private {
  77         char    _raw_buf[UDPMSGSIZE];
  78         SVCXPRT server;
  79         XDR     xdr_stream;
  80         char    verf_body[MAX_AUTH_BYTES];
  81 } *svcraw_private;
  82
  83 static bool_t           svcraw_recv();
  84 static enum xprt_stat   svcraw_stat();
  85 static bool_t           svcraw_getargs();
  86 static bool_t           svcraw_reply();
  87 static bool_t           svcraw_freeargs();
  88 static void             svcraw_destroy();
  89
  90 static struct xp_ops server_ops = {
  91         svcraw_recv,
  92         svcraw_stat,
  93         svcraw_getargs,
  94         svcraw_reply,
  95         svcraw_freeargs,
  96         svcraw_destroy
  97 };
  98
  99 SVCXPRT *
 100 svcraw_create()
 101 {
 102         register struct svcraw_private *srp = svcraw_private;
 103
 104         if (srp == 0) {
 105                 srp = (struct svcraw_private *)calloc(1, sizeof (*srp));
 106                 if (srp == 0)
 107                         return (0);
 108         }
 109         srp->server.xp_sock = 0;
 110         srp->server.xp_port = 0;
 111         srp->server.xp_ops = &server_ops;
 112         srp->server.xp_verf.oa_base = srp->verf_body;
 113         xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
 114         return (&srp->server);
 115 }
 116
 117 static enum xprt_stat
 118 svcraw_stat()
 119 {
 120
 121         return (XPRT_IDLE);
 122 }
 123
 124 static bool_t
 125 svcraw_recv(xprt, msg)
 126         SVCXPRT *xprt;
 127         struct rpc_msg *msg;
 128 {
 129         register struct svcraw_private *srp = svcraw_private;
 130         register XDR *xdrs;
 131
 132         if (srp == 0)
 133                 return (0);
 134         xdrs = &srp->xdr_stream;
 135         xdrs->x_op = XDR_DECODE;
 136         XDR_SETPOS(xdrs, 0);
 137         if (! xdr_callmsg(xdrs, msg))
 138                return (FALSE);
 139         return (TRUE);
 140 }
 141
 142 static bool_t
 143 svcraw_reply(xprt, msg)
 144         SVCXPRT *xprt;
 145         struct rpc_msg *msg;
 146 {
 147         register struct svcraw_private *srp = svcraw_private;
 148         register XDR *xdrs;
 149
 150         if (srp == 0)
 151                 return (FALSE);
 152         xdrs = &srp->xdr_stream;
 153         xdrs->x_op = XDR_ENCODE;
 154         XDR_SETPOS(xdrs, 0);
 155         if (! xdr_replymsg(xdrs, msg))
 156                return (FALSE);
 157         (void)XDR_GETPOS(xdrs);  /* called just for overhead */
 158         return (TRUE);
 159 }
 160
 161 static bool_t
 162 svcraw_getargs(xprt, xdr_args, args_ptr)
 163         SVCXPRT *xprt;
 164         xdrproc_t xdr_args;
 165         caddr_t args_ptr;
 166 {
 167         register struct svcraw_private *srp = svcraw_private;
 168
 169         if (srp == 0)
 170                 return (FALSE);
 171         return ((*xdr_args)(&srp->xdr_stream, args_ptr));
 172 }
 173
 174 static bool_t
 175 svcraw_freeargs(xprt, xdr_args, args_ptr)
 176         SVCXPRT *xprt;
 177         xdrproc_t xdr_args;
 178         caddr_t args_ptr;
 179 {
 180         register struct svcraw_private *srp = svcraw_private;
 181         register XDR *xdrs;
 182
 183         if (srp == 0)
 184                 return (FALSE);
 185         xdrs = &srp->xdr_stream;
 186         xdrs->x_op = XDR_FREE;
 187         return ((*xdr_args)(xdrs, args_ptr));
 188 }
 189
 190 static void
 191 svcraw_destroy()
 192 {
 193 }