rpc.subproj/svc_raw.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.1 (the "License").  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  26  * unrestricted use provided that this legend is included on all tape
  27  * media and as a part of the software program in whole or part.  Users
  28  * may copy or modify Sun RPC without charge, but are not authorized
  29  * to license or distribute it to anyone else except as part of a product or
  30  * program developed by the user.
  31  *
  32  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  33  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  34  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  35  *
  36  * Sun RPC is provided with no support and without any obligation on the
  37  * part of Sun Microsystems, Inc. to assist in its use, correction,
  38  * modification or enhancement.
  39  *
  40  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  41  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  42  * OR ANY PART THEREOF.
  43  *
  44  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  45  * or profits or other special, indirect and consequential damages, even if
  46  * Sun has been advised of the possibility of such damages.
  47  *
  48  * Sun Microsystems, Inc.
  49  * 2550 Garcia Avenue
  50  * Mountain View, California  94043
  51  */
  52
  53 #if defined(LIBC_SCCS) && !defined(lint)
  54 /*static char *sccsid = "from: @(#)svc_raw.c 1.15 87/08/11 Copyr 1984 Sun Micro";*/
  55 /*static char *sccsid = "from: @(#)svc_raw.c    2.1 88/07/29 4.0 RPCSRC";*/
  56 static char *rcsid = "$Id: svc_raw.c,v 1.2 1999/10/14 21:56:54 wsanchez Exp $";
  57 #endif
  58
  59 /*
  60  * svc_raw.c,   This a toy for simple testing and timing.
  61  * Interface to create an rpc client and server in the same UNIX process.
  62  * This lets us similate rpc and get rpc (round trip) overhead, without
  63  * any interference from the kernal.
  64  *
  65  * Copyright (C) 1984, Sun Microsystems, Inc.
  66  */
  67
  68 #include <rpc/rpc.h>
  69
  70
  71 /*
  72  * This is the "network" that we will be moving data over
  73  */
  74 static struct svcraw_private {
  75         char    _raw_buf[UDPMSGSIZE];
  76         SVCXPRT server;
  77         XDR     xdr_stream;
  78         char    verf_body[MAX_AUTH_BYTES];
  79 } *svcraw_private;
  80
  81 static bool_t           svcraw_recv();
  82 static enum xprt_stat   svcraw_stat();
  83 static bool_t           svcraw_getargs();
  84 static bool_t           svcraw_reply();
  85 static bool_t           svcraw_freeargs();
  86 static void             svcraw_destroy();
  87
  88 static struct xp_ops server_ops = {
  89         svcraw_recv,
  90         svcraw_stat,
  91         svcraw_getargs,
  92         svcraw_reply,
  93         svcraw_freeargs,
  94         svcraw_destroy
  95 };
  96
  97 SVCXPRT *
  98 svcraw_create()
  99 {
 100         register struct svcraw_private *srp = svcraw_private;
 101
 102         if (srp == 0) {
 103                 srp = (struct svcraw_private *)calloc(1, sizeof (*srp));
 104                 if (srp == 0)
 105                         return (0);
 106         }
 107         srp->server.xp_sock = 0;
 108         srp->server.xp_port = 0;
 109         srp->server.xp_ops = &server_ops;
 110         srp->server.xp_verf.oa_base = srp->verf_body;
 111         xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
 112         return (&srp->server);
 113 }
 114
 115 static enum xprt_stat
 116 svcraw_stat()
 117 {
 118
 119         return (XPRT_IDLE);
 120 }
 121
 122 static bool_t
 123 svcraw_recv(xprt, msg)
 124         SVCXPRT *xprt;
 125         struct rpc_msg *msg;
 126 {
 127         register struct svcraw_private *srp = svcraw_private;
 128         register XDR *xdrs;
 129
 130         if (srp == 0)
 131                 return (0);
 132         xdrs = &srp->xdr_stream;
 133         xdrs->x_op = XDR_DECODE;
 134         XDR_SETPOS(xdrs, 0);
 135         if (! xdr_callmsg(xdrs, msg))
 136                return (FALSE);
 137         return (TRUE);
 138 }
 139
 140 static bool_t
 141 svcraw_reply(xprt, msg)
 142         SVCXPRT *xprt;
 143         struct rpc_msg *msg;
 144 {
 145         register struct svcraw_private *srp = svcraw_private;
 146         register XDR *xdrs;
 147
 148         if (srp == 0)
 149                 return (FALSE);
 150         xdrs = &srp->xdr_stream;
 151         xdrs->x_op = XDR_ENCODE;
 152         XDR_SETPOS(xdrs, 0);
 153         if (! xdr_replymsg(xdrs, msg))
 154                return (FALSE);
 155         (void)XDR_GETPOS(xdrs);  /* called just for overhead */
 156         return (TRUE);
 157 }
 158
 159 static bool_t
 160 svcraw_getargs(xprt, xdr_args, args_ptr)
 161         SVCXPRT *xprt;
 162         xdrproc_t xdr_args;
 163         caddr_t args_ptr;
 164 {
 165         register struct svcraw_private *srp = svcraw_private;
 166
 167         if (srp == 0)
 168                 return (FALSE);
 169         return ((*xdr_args)(&srp->xdr_stream, args_ptr));
 170 }
 171
 172 static bool_t
 173 svcraw_freeargs(xprt, xdr_args, args_ptr)
 174         SVCXPRT *xprt;
 175         xdrproc_t xdr_args;
 176         caddr_t args_ptr;
 177 {
 178         register struct svcraw_private *srp = svcraw_private;
 179         register XDR *xdrs;
 180
 181         if (srp == 0)
 182                 return (FALSE);
 183         xdrs = &srp->xdr_stream;
 184         xdrs->x_op = XDR_FREE;
 185         return ((*xdr_args)(xdrs, args_ptr));
 186 }
 187
 188 static void
 189 svcraw_destroy()
 190 {
 191 }