lib/libc/rpc/svc_raw.c

   1 /*
   2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   3  * unrestricted use provided that this legend is included on all tape
   4  * media and as a part of the software program in whole or part.  Users
   5  * may copy or modify Sun RPC without charge, but are not authorized
   6  * to license or distribute it to anyone else except as part of a product or
   7  * program developed by the user.
   8  *
   9  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  10  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  11  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  12  *
  13  * Sun RPC is provided with no support and without any obligation on the
  14  * part of Sun Microsystems, Inc. to assist in its use, correction,
  15  * modification or enhancement.
  16  *
  17  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  18  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  19  * OR ANY PART THEREOF.
  20  *
  21  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  22  * or profits or other special, indirect and consequential damages, even if
  23  * Sun has been advised of the possibility of such damages.
  24  *
  25  * Sun Microsystems, Inc.
  26  * 2550 Garcia Avenue
  27  * Mountain View, California  94043
  28  *
  29  * @(#)svc_raw.c 1.15 87/08/11 Copyr 1984 Sun Micro
  30  * @(#)svc_raw.c        2.1 88/07/29 4.0 RPCSRC
  31  * $FreeBSD: src/lib/libc/rpc/svc_raw.c,v 1.7 1999/08/28 00:00:49 peter Exp $
  32  * $DragonFly: src/lib/libc/rpc/svc_raw.c,v 1.4 2005/11/13 12:27:04 swildner Exp $
  33  */
  34
  35 /*
  36  * svc_raw.c,   This a toy for simple testing and timing.
  37  * Interface to create an rpc client and server in the same UNIX process.
  38  * This lets us similate rpc and get rpc (round trip) overhead, without
  39  * any interference from the kernal.
  40  *
  41  * Copyright (C) 1984, Sun Microsystems, Inc.
  42  */
  43
  44 #include <rpc/rpc.h>
  45 #include <stdlib.h>
  46
  47 /*
  48  * This is the "network" that we will be moving data over
  49  */
  50 static struct svcraw_private {
  51         char    _raw_buf[UDPMSGSIZE];
  52         SVCXPRT server;
  53         XDR     xdr_stream;
  54         char    verf_body[MAX_AUTH_BYTES];
  55 } *svcraw_private;
  56
  57 static bool_t           svcraw_recv();
  58 static enum xprt_stat   svcraw_stat();
  59 static bool_t           svcraw_getargs();
  60 static bool_t           svcraw_reply();
  61 static bool_t           svcraw_freeargs();
  62 static void             svcraw_destroy();
  63
  64 static struct xp_ops server_ops = {
  65         svcraw_recv,
  66         svcraw_stat,
  67         svcraw_getargs,
  68         svcraw_reply,
  69         svcraw_freeargs,
  70         svcraw_destroy
  71 };
  72
  73 SVCXPRT *
  74 svcraw_create(void)
  75 {
  76         struct svcraw_private *srp = svcraw_private;
  77
  78         if (srp == 0) {
  79                 srp = (struct svcraw_private *)calloc(1, sizeof (*srp));
  80                 if (srp == 0)
  81                         return (0);
  82         }
  83         srp->server.xp_sock = 0;
  84         srp->server.xp_port = 0;
  85         srp->server.xp_ops = &server_ops;
  86         srp->server.xp_verf.oa_base = srp->verf_body;
  87         xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
  88         return (&srp->server);
  89 }
  90
  91 static enum xprt_stat
  92 svcraw_stat(void)
  93 {
  94
  95         return (XPRT_IDLE);
  96 }
  97
  98 static bool_t
  99 svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg)
 100 {
 101         struct svcraw_private *srp = svcraw_private;
 102         XDR *xdrs;
 103
 104         if (srp == 0)
 105                 return (0);
 106         xdrs = &srp->xdr_stream;
 107         xdrs->x_op = XDR_DECODE;
 108         XDR_SETPOS(xdrs, 0);
 109         if (! xdr_callmsg(xdrs, msg))
 110                return (FALSE);
 111         return (TRUE);
 112 }
 113
 114 static bool_t
 115 svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg)
 116 {
 117         struct svcraw_private *srp = svcraw_private;
 118         XDR *xdrs;
 119
 120         if (srp == 0)
 121                 return (FALSE);
 122         xdrs = &srp->xdr_stream;
 123         xdrs->x_op = XDR_ENCODE;
 124         XDR_SETPOS(xdrs, 0);
 125         if (! xdr_replymsg(xdrs, msg))
 126                return (FALSE);
 127         XDR_GETPOS(xdrs);  /* called just for overhead */
 128         return (TRUE);
 129 }
 130
 131 static bool_t
 132 svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
 133 {
 134         struct svcraw_private *srp = svcraw_private;
 135
 136         if (srp == 0)
 137                 return (FALSE);
 138         return ((*xdr_args)(&srp->xdr_stream, args_ptr));
 139 }
 140
 141 static bool_t
 142 svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
 143 {
 144         struct svcraw_private *srp = svcraw_private;
 145         XDR *xdrs;
 146
 147         if (srp == 0)
 148                 return (FALSE);
 149         xdrs = &srp->xdr_stream;
 150         xdrs->x_op = XDR_FREE;
 151         return ((*xdr_args)(xdrs, args_ptr));
 152 }
 153
 154 static void
 155 svcraw_destroy(void)
 156 {
 157 }