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/* @(#)svc_raw.c	2.1 88/07/29 4.0 RPCSRC */
/*
 * Copyright (c) 2010, Oracle America, Inc.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 *     * Neither the name of the "Oracle America, Inc." nor the names of
 *       its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)svc_raw.c 1.15 87/08/11 Copyr 1984 Sun Micro";
#endif

/*
 * 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 <gssrpc/rpc.h>


/*
 * This is the "network" that we will be moving data over
 */
static struct svcraw_private {
	char	_raw_buf[UDPMSGSIZE];
	SVCXPRT	server;
	XDR	xdr_stream;
	char	verf_body[MAX_AUTH_BYTES];
} *svcraw_private;

static bool_t		svcraw_recv(SVCXPRT *, struct rpc_msg *);
static enum xprt_stat 	svcraw_stat(SVCXPRT *);
static bool_t		svcraw_getargs(SVCXPRT *, xdrproc_t, void *);
static bool_t		svcraw_reply(SVCXPRT *, struct rpc_msg *);
static bool_t		svcraw_freeargs(SVCXPRT *, xdrproc_t, void *);
static void		svcraw_destroy(SVCXPRT *);

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

SVCXPRT *
svcraw_create(void)
{
	register struct svcraw_private *srp = svcraw_private;

	if (srp == 0) {
		srp = (struct svcraw_private *)calloc(1, sizeof (*srp));
		if (srp == 0)
			return (0);
		svcraw_private = srp;
	}
	srp->server.xp_sock = 0;
	srp->server.xp_port = 0;
	srp->server.xp_ops = &server_ops;
	srp->server.xp_verf.oa_base = srp->verf_body;
	xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
	return (&srp->server);
}

static enum xprt_stat
svcraw_stat(SVCXPRT *xprt)
{

	return (XPRT_IDLE);
}

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

	if (srp == 0)
		return (0);
	xdrs = &srp->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(SVCXPRT *xprt, struct rpc_msg *msg)
{
	register struct svcraw_private *srp = svcraw_private;
	register XDR *xdrs;

	if (srp == 0)
		return (FALSE);
	xdrs = &srp->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(SVCXPRT *xprt, xdrproc_t xdr_args, void *args_ptr)
{
	register struct svcraw_private *srp = svcraw_private;

	if (srp == 0)
		return (FALSE);
	if (! (*xdr_args)(&srp->xdr_stream, args_ptr)) {
		(void)svcraw_freeargs(xprt, xdr_args, args_ptr);
		return FALSE;
	}
	return TRUE;
}

static bool_t
svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, void *args_ptr)
{
	register struct svcraw_private *srp = svcraw_private;
	register XDR *xdrs;

	if (srp == 0)
		return (FALSE);
	xdrs = &srp->xdr_stream;
	xdrs->x_op = XDR_FREE;
	return ((*xdr_args)(xdrs, args_ptr));
}

static void
svcraw_destroy(SVCXPRT *xprt)
{
}