/* @(#)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 kernel.
 */

#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)
{
        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)
{
        struct svcraw_private *srp = svcraw_private;
        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)
{
        struct svcraw_private *srp = svcraw_private;
        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)
{
        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)
{
        struct svcraw_private *srp = svcraw_private;
        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)
{
}