rpc.subproj/svc_raw.c

   1 /*
   2  * Copyright (c) 1999-2018 Apple 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 1.3 2002/02/19 20:36:25 epeyton 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 "libinfo_common.h"
  69
  70 #include <stdlib.h>
  71 #include <rpc/rpc.h>
  72
  73
  74 /*
  75  * This is the "network" that we will be moving data over
  76  */
  77 static struct svcraw_private {
  78         char    _raw_buf[UDPMSGSIZE];
  79         SVCXPRT server;
  80         XDR     xdr_stream;
  81         char    verf_body[MAX_AUTH_BYTES];
  82 } *svcraw_private;
  83
  84 static bool_t           svcraw_recv();
  85 static enum xprt_stat   svcraw_stat();
  86 static bool_t           svcraw_getargs();
  87 static bool_t           svcraw_reply();
  88 static bool_t           svcraw_freeargs();
  89 static void             svcraw_destroy();
  90
  91 static struct xp_ops server_ops = {
  92         svcraw_recv,
  93         svcraw_stat,
  94         svcraw_getargs,
  95         svcraw_reply,
  96         svcraw_freeargs,
  97         svcraw_destroy
  98 };
  99
 100 LIBINFO_EXPORT
 101 SVCXPRT *
 102 svcraw_create()
 103 {
 104         register struct svcraw_private *srp = svcraw_private;
 105
 106         if (srp == 0) {
 107                 srp = (struct svcraw_private *)calloc(1, sizeof (*srp));
 108                 if (srp == 0)
 109                         return (0);
 110         }
 111         srp->server.xp_sock = 0;
 112         srp->server.xp_port = 0;
 113         srp->server.xp_ops = &server_ops;
 114         srp->server.xp_verf.oa_base = srp->verf_body;
 115         xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
 116         return (&srp->server);
 117 }
 118
 119 static enum xprt_stat
 120 svcraw_stat()
 121 {
 122
 123         return (XPRT_IDLE);
 124 }
 125
 126 static bool_t
 127 svcraw_recv(xprt, msg)
 128         SVCXPRT *xprt;
 129         struct rpc_msg *msg;
 130 {
 131         register struct svcraw_private *srp = svcraw_private;
 132         register XDR *xdrs;
 133
 134         if (srp == 0)
 135                 return (0);
 136         xdrs = &srp->xdr_stream;
 137         xdrs->x_op = XDR_DECODE;
 138         XDR_SETPOS(xdrs, 0);
 139         if (! xdr_callmsg(xdrs, msg))
 140                return (FALSE);
 141         return (TRUE);
 142 }
 143
 144 static bool_t
 145 svcraw_reply(xprt, msg)
 146         SVCXPRT *xprt;
 147         struct rpc_msg *msg;
 148 {
 149         register struct svcraw_private *srp = svcraw_private;
 150         register XDR *xdrs;
 151
 152         if (srp == 0)
 153                 return (FALSE);
 154         xdrs = &srp->xdr_stream;
 155         xdrs->x_op = XDR_ENCODE;
 156         XDR_SETPOS(xdrs, 0);
 157         if (! xdr_replymsg(xdrs, msg))
 158                return (FALSE);
 159         (void)XDR_GETPOS(xdrs);  /* called just for overhead */
 160         return (TRUE);
 161 }
 162
 163 static bool_t
 164 svcraw_getargs(xprt, xdr_args, args_ptr)
 165         SVCXPRT *xprt;
 166         xdrproc_t xdr_args;
 167         caddr_t args_ptr;
 168 {
 169         register struct svcraw_private *srp = svcraw_private;
 170
 171         if (srp == 0)
 172                 return (FALSE);
 173         return ((*xdr_args)(&srp->xdr_stream, args_ptr, 0));
 174 }
 175
 176 static bool_t
 177 svcraw_freeargs(xprt, xdr_args, args_ptr)
 178         SVCXPRT *xprt;
 179         xdrproc_t xdr_args;
 180         caddr_t args_ptr;
 181 {
 182         register struct svcraw_private *srp = svcraw_private;
 183         register XDR *xdrs;
 184
 185         if (srp == 0)
 186                 return (FALSE);
 187         xdrs = &srp->xdr_stream;
 188         xdrs->x_op = XDR_FREE;
 189         return ((*xdr_args)(xdrs, args_ptr, 0));
 190 }
 191
 192 static void
 193 svcraw_destroy()
 194 {
 195 }