svc_raw.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

#ifndef lint
static char *sccsid = "@(#)svc_raw.c	4.1	ULTRIX	7/3/90";
#endif lint

/************************************************************************
 *									*
 *			Copyright (c) 1986 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/

/*
 *	Portions of this software have been licensed to 
 *	Digital Equipment Company, Maynard, MA.
 *	Copyright (c) 1986 Sun Microsystems, Inc.  ALL RIGHTS RESERVED.
 */

/*
 * svc_raw.c,   This a toy for simple testing and timing.
 * Interface to create an rpc client and server in the same UNIX process.
 * This lets us similate rpc and get rpc (round trip) overhead, without
 * any interference from the kernal.
 *
 */

#include <rpc/types.h>
#include <netinet/in.h>
#include <rpc/xdr.h>
#include <rpc/auth.h>
#include <rpc/clnt.h>
#include <rpc/rpc_msg.h>
#include <rpc/svc.h>

/*
 * This is the "network" that we will be moving data over
 */
extern char _raw_buf[UDPMSGSIZE];

static bool_t		svcraw_recv();
static enum xprt_stat 	svcraw_stat();
static bool_t		svcraw_getargs();
static bool_t		svcraw_reply();
static bool_t		svcraw_freeargs();
static void		svcraw_destroy();

static struct xp_ops server_ops = {
	svcraw_recv,
	svcraw_stat,
	svcraw_getargs,
	svcraw_reply,
	svcraw_freeargs,
	svcraw_destroy
};

static SVCXPRT server;
static XDR xdr_stream;
static char verf_body[MAX_AUTH_BYTES];

SVCXPRT *
svcraw_create()
{

	server.xp_sock = 0;
	server.xp_port = 0;
	server.xp_ops = &server_ops;
	server.xp_verf.oa_base = verf_body;
	xdrmem_create(&xdr_stream, _raw_buf, UDPMSGSIZE, XDR_FREE);
	return (&server);
}

static enum xprt_stat
svcraw_stat()
{

	return (XPRT_IDLE);
}

static bool_t
svcraw_recv(xprt, msg)
	SVCXPRT *xprt;
	struct rpc_msg *msg;
{
	register XDR *xdrs = &xdr_stream;

	xdrs->x_op = XDR_DECODE;
	XDR_SETPOS(xdrs, 0);
	if (! xdr_callmsg(xdrs, msg))
	       return (FALSE);
	return (TRUE);
}

static bool_t
svcraw_reply(xprt, msg)
	SVCXPRT *xprt;
	struct rpc_msg *msg;
{
	register XDR *xdrs = &xdr_stream;

	xdrs->x_op = XDR_ENCODE;
	XDR_SETPOS(xdrs, 0);
	if (! xdr_replymsg(xdrs, msg))
	       return (FALSE);
	(void)XDR_GETPOS(xdrs);  /* called just for overhead */
	return (TRUE);
}

static bool_t
svcraw_getargs(xprt, xdr_args, args_ptr)
	SVCXPRT *xprt;
	xdrproc_t xdr_args;
	caddr_t args_ptr;
{

	return ((*xdr_args)(&xdr_stream, args_ptr));
}

static bool_t
svcraw_freeargs(xprt, xdr_args, args_ptr)
	SVCXPRT *xprt;
	xdrproc_t xdr_args;
	caddr_t args_ptr;
{ 
	register XDR *xdrs = &xdr_stream;

	xdrs->x_op = XDR_FREE;
	return ((*xdr_args)(xdrs, args_ptr));
} 

static void
svcraw_destroy()
{
}