sunrpc/svc_raw.c

   1 /* @(#)svc_raw.c        2.1 88/07/29 4.0 RPCSRC */
   2 /*
   3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   4  * unrestricted use provided that this legend is included on all tape
   5  * media and as a part of the software program in whole or part.  Users
   6  * may copy or modify Sun RPC without charge, but are not authorized
   7  * to license or distribute it to anyone else except as part of a product or
   8  * program developed by the user.
   9  *
  10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  13  *
  14  * Sun RPC is provided with no support and without any obligation on the
  15  * part of Sun Microsystems, Inc. to assist in its use, correction,
  16  * modification or enhancement.
  17  *
  18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  20  * OR ANY PART THEREOF.
  21  *
  22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  23  * or profits or other special, indirect and consequential damages, even if
  24  * Sun has been advised of the possibility of such damages.
  25  *
  26  * Sun Microsystems, Inc.
  27  * 2550 Garcia Avenue
  28  * Mountain View, California  94043
  29  */
  30 #if !defined(lint) && defined(SCCSIDS)
  31 static char sccsid[] = "@(#)svc_raw.c 1.15 87/08/11 Copyr 1984 Sun Micro";
  32 #endif
  33
  34 /*
  35  * svc_raw.c,   This a toy for simple testing and timing.
  36  * Interface to create an rpc client and server in the same UNIX process.
  37  * This lets us simulate rpc and get rpc (round trip) overhead, without
  38  * any interference from the kernel.
  39  *
  40  * Copyright (C) 1984, Sun Microsystems, Inc.
  41  */
  42
  43 #include <rpc/rpc.h>
  44 #include <rpc/svc.h>
  45
  46 /*
  47  * This is the "network" that we will be moving data over
  48  */
  49 static struct svcraw_private
  50   {
  51     char _raw_buf[UDPMSGSIZE];
  52     SVCXPRT server;
  53     XDR xdr_stream;
  54     char verf_body[MAX_AUTH_BYTES];
  55   }
  56  *svcraw_private;
  57
  58 static bool_t svcraw_recv (SVCXPRT *, struct rpc_msg *);
  59 static enum xprt_stat svcraw_stat (SVCXPRT *);
  60 static bool_t svcraw_getargs (SVCXPRT *, xdrproc_t, caddr_t);
  61 static bool_t svcraw_reply (SVCXPRT *, struct rpc_msg *);
  62 static bool_t svcraw_freeargs (SVCXPRT *, xdrproc_t, caddr_t);
  63 static void svcraw_destroy (SVCXPRT *);
  64
  65 static struct xp_ops server_ops =
  66 {
  67   svcraw_recv,
  68   svcraw_stat,
  69   svcraw_getargs,
  70   svcraw_reply,
  71   svcraw_freeargs,
  72   svcraw_destroy
  73 };
  74
  75 SVCXPRT *
  76 svcraw_create (void)
  77 {
  78   struct svcraw_private *srp = svcraw_private;
  79
  80   if (srp == 0)
  81     {
  82       srp = (struct svcraw_private *) calloc (1, sizeof (*srp));
  83       if (srp == 0)
  84         return NULL;
  85     }
  86   srp->server.xp_sock = 0;
  87   srp->server.xp_port = 0;
  88   srp->server.xp_ops = &server_ops;
  89   srp->server.xp_verf.oa_base = srp->verf_body;
  90   xdrmem_create (&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
  91   return &srp->server;
  92 }
  93
  94 static enum xprt_stat
  95 svcraw_stat (SVCXPRT *xprt)
  96 {
  97   return XPRT_IDLE;
  98 }
  99
 100 static bool_t
 101 svcraw_recv (xprt, msg)
 102      SVCXPRT *xprt;
 103      struct rpc_msg *msg;
 104 {
 105   struct svcraw_private *srp = svcraw_private;
 106   XDR *xdrs;
 107
 108   if (srp == 0)
 109     return FALSE;
 110   xdrs = &srp->xdr_stream;
 111   xdrs->x_op = XDR_DECODE;
 112   XDR_SETPOS (xdrs, 0);
 113   if (!xdr_callmsg (xdrs, msg))
 114     return FALSE;
 115   return TRUE;
 116 }
 117
 118 static bool_t
 119 svcraw_reply (SVCXPRT *xprt, struct rpc_msg *msg)
 120 {
 121   struct svcraw_private *srp = svcraw_private;
 122   XDR *xdrs;
 123
 124   if (srp == 0)
 125     return FALSE;
 126   xdrs = &srp->xdr_stream;
 127   xdrs->x_op = XDR_ENCODE;
 128   XDR_SETPOS (xdrs, 0);
 129   if (!xdr_replymsg (xdrs, msg))
 130     return FALSE;
 131   (void) XDR_GETPOS (xdrs);     /* called just for overhead */
 132   return TRUE;
 133 }
 134
 135 static bool_t
 136 svcraw_getargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
 137 {
 138   struct svcraw_private *srp = svcraw_private;
 139
 140   if (srp == 0)
 141     return FALSE;
 142   return (*xdr_args) (&srp->xdr_stream, args_ptr);
 143 }
 144
 145 static bool_t
 146 svcraw_freeargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
 147 {
 148   struct svcraw_private *srp = svcraw_private;
 149   XDR *xdrs;
 150
 151   if (srp == 0)
 152     return FALSE;
 153   xdrs = &srp->xdr_stream;
 154   xdrs->x_op = XDR_FREE;
 155   return (*xdr_args) (xdrs, args_ptr);
 156 }
 157
 158 static void
 159 svcraw_destroy (SVCXPRT *xprt)
 160 {
 161 }