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svc_raw.c revision 1.2 
      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 
     30 #if defined(LIBC_SCCS) && !defined(lint)
     31 /*static char *sccsid = "from: @(#)svc_raw.c 1.15 87/08/11 Copyr 1984 Sun Micro";*/
     32 /*static char *sccsid = "from: @(#)svc_raw.c	2.1 88/07/29 4.0 RPCSRC";*/
     33 static char *rcsid = "$Id: svc_raw.c,v 1.2 1994/12/04 01:13:25 cgd Exp $";
     34 #endif
     35 
     36 /*
     37  * svc_raw.c,   This a toy for simple testing and timing.
     38  * Interface to create an rpc client and server in the same UNIX process.
     39  * This lets us similate rpc and get rpc (round trip) overhead, without
     40  * any interference from the kernal.
     41  *
     42  * Copyright (C) 1984, Sun Microsystems, Inc.
     43  */
     44 
     45 #include <stdlib.h>
     46 #include <rpc/rpc.h>
     47 
     48 
     49 /*
     50  * This is the "network" that we will be moving data over
     51  */
     52 static struct svcraw_private {
     53 	char	_raw_buf[UDPMSGSIZE];
     54 	SVCXPRT	server;
     55 	XDR	xdr_stream;
     56 	char	verf_body[MAX_AUTH_BYTES];
     57 } *svcraw_private;
     58 
     59 static bool_t		svcraw_recv();
     60 static enum xprt_stat 	svcraw_stat();
     61 static bool_t		svcraw_getargs();
     62 static bool_t		svcraw_reply();
     63 static bool_t		svcraw_freeargs();
     64 static void		svcraw_destroy();
     65 
     66 static struct xp_ops server_ops = {
     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()
     77 {
     78 	register struct svcraw_private *srp = svcraw_private;
     79 
     80 	if (srp == 0) {
     81 		srp = (struct svcraw_private *)calloc(1, sizeof (*srp));
     82 		if (srp == 0)
     83 			return (0);
     84 	}
     85 	srp->server.xp_sock = 0;
     86 	srp->server.xp_port = 0;
     87 	srp->server.xp_ops = &server_ops;
     88 	srp->server.xp_verf.oa_base = srp->verf_body;
     89 	xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
     90 	return (&srp->server);
     91 }
     92 
     93 static enum xprt_stat
     94 svcraw_stat()
     95 {
     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 	register struct svcraw_private *srp = svcraw_private;
    106 	register XDR *xdrs;
    107 
    108 	if (srp == 0)
    109 		return (0);
    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(xprt, msg)
    120 	SVCXPRT *xprt;
    121 	struct rpc_msg *msg;
    122 {
    123 	register struct svcraw_private *srp = svcraw_private;
    124 	register XDR *xdrs;
    125 
    126 	if (srp == 0)
    127 		return (FALSE);
    128 	xdrs = &srp->xdr_stream;
    129 	xdrs->x_op = XDR_ENCODE;
    130 	XDR_SETPOS(xdrs, 0);
    131 	if (! xdr_replymsg(xdrs, msg))
    132 	       return (FALSE);
    133 	(void)XDR_GETPOS(xdrs);  /* called just for overhead */
    134 	return (TRUE);
    135 }
    136 
    137 static bool_t
    138 svcraw_getargs(xprt, xdr_args, args_ptr)
    139 	SVCXPRT *xprt;
    140 	xdrproc_t xdr_args;
    141 	caddr_t args_ptr;
    142 {
    143 	register struct svcraw_private *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(xprt, xdr_args, args_ptr)
    152 	SVCXPRT *xprt;
    153 	xdrproc_t xdr_args;
    154 	caddr_t args_ptr;
    155 {
    156 	register struct svcraw_private *srp = svcraw_private;
    157 	register XDR *xdrs;
    158 
    159 	if (srp == 0)
    160 		return (FALSE);
    161 	xdrs = &srp->xdr_stream;
    162 	xdrs->x_op = XDR_FREE;
    163 	return ((*xdr_args)(xdrs, args_ptr));
    164 }
    165 
    166 static void
    167 svcraw_destroy()
    168 {
    169 }
    170