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 struct svcraw_private_s
  50   {
  51     char _raw_buf[UDPMSGSIZE];
  52     SVCXPRT server;
  53     XDR xdr_stream;
  54     char verf_body[MAX_AUTH_BYTES];
  55   };
  56 #ifdef _RPC_THREAD_SAFE_
  57 #define svcraw_private RPC_THREAD_VARIABLE(svcraw_private_s)
  58 #else
  59 static struct svcraw_private_s *svcraw_private;
  60 #endif
  61
  62 static bool_t svcraw_recv (SVCXPRT *, struct rpc_msg *);
  63 static enum xprt_stat svcraw_stat (SVCXPRT *);
  64 static bool_t svcraw_getargs (SVCXPRT *, xdrproc_t, caddr_t);
  65 static bool_t svcraw_reply (SVCXPRT *, struct rpc_msg *);
  66 static bool_t svcraw_freeargs (SVCXPRT *, xdrproc_t, caddr_t);
  67 static void svcraw_destroy (SVCXPRT *);
  68
  69 static const struct xp_ops server_ops =
  70 {
  71   svcraw_recv,
  72   svcraw_stat,
  73   svcraw_getargs,
  74   svcraw_reply,
  75   svcraw_freeargs,
  76   svcraw_destroy
  77 };
  78
  79 SVCXPRT *
  80 svcraw_create (void)
  81 {
  82   struct svcraw_private_s *srp = svcraw_private;
  83
  84   if (srp == 0)
  85     {
  86       srp = (struct svcraw_private_s *) calloc (1, sizeof (*srp));
  87       if (srp == 0)
  88         return NULL;
  89     }
  90   srp->server.xp_sock = 0;
  91   srp->server.xp_port = 0;
  92   srp->server.xp_ops = (struct xp_ops *) &server_ops;
  93   srp->server.xp_verf.oa_base = srp->verf_body;
  94   INTUSE(xdrmem_create) (&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE,
  95                          XDR_FREE);
  96   return &srp->server;
  97 }
  98
  99 static enum xprt_stat
 100 svcraw_stat (SVCXPRT *xprt)
 101 {
 102   return XPRT_IDLE;
 103 }
 104
 105 static bool_t
 106 svcraw_recv (xprt, msg)
 107      SVCXPRT *xprt;
 108      struct rpc_msg *msg;
 109 {
 110   struct svcraw_private_s *srp = svcraw_private;
 111   XDR *xdrs;
 112
 113   if (srp == 0)
 114     return FALSE;
 115   xdrs = &srp->xdr_stream;
 116   xdrs->x_op = XDR_DECODE;
 117   XDR_SETPOS (xdrs, 0);
 118   if (!INTUSE(xdr_callmsg) (xdrs, msg))
 119     return FALSE;
 120   return TRUE;
 121 }
 122
 123 static bool_t
 124 svcraw_reply (SVCXPRT *xprt, struct rpc_msg *msg)
 125 {
 126   struct svcraw_private_s *srp = svcraw_private;
 127   XDR *xdrs;
 128
 129   if (srp == 0)
 130     return FALSE;
 131   xdrs = &srp->xdr_stream;
 132   xdrs->x_op = XDR_ENCODE;
 133   XDR_SETPOS (xdrs, 0);
 134   if (!INTUSE(xdr_replymsg) (xdrs, msg))
 135     return FALSE;
 136   (void) XDR_GETPOS (xdrs);     /* called just for overhead */
 137   return TRUE;
 138 }
 139
 140 static bool_t
 141 svcraw_getargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
 142 {
 143   struct svcraw_private_s *srp = svcraw_private;
 144
 145   if (srp == 0)
 146     return FALSE;
 147   return (*xdr_args) (&srp->xdr_stream, args_ptr);
 148 }
 149
 150 static bool_t
 151 svcraw_freeargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
 152 {
 153   struct svcraw_private_s *srp = svcraw_private;
 154   XDR *xdrs;
 155
 156   if (srp == 0)
 157     return FALSE;
 158   xdrs = &srp->xdr_stream;
 159   xdrs->x_op = XDR_FREE;
 160   return (*xdr_args) (xdrs, args_ptr);
 161 }
 162
 163 static void
 164 svcraw_destroy (SVCXPRT *xprt)
 165 {
 166 }