source: rtems-libbsd/services/librpc/src/rpc/svc_raw.c @ 20ec9e6

/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user.
 *
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 *
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 *
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 *
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 *
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 */

#if defined(LIBC_SCCS) && !defined(lint)
/*static char *sccsid = "from: @(#)svc_raw.c 1.15 87/08/11 Copyr 1984 Sun Micro";*/
/*static char *sccsid = "from: @(#)svc_raw.c    2.1 88/07/29 4.0 RPCSRC";*/
static char *rcsid = "$FreeBSD: src/lib/libc/rpc/svc_raw.c,v 1.7 1999/08/28 00:00:49 peter Exp $";
#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.
 *
 * Copyright (C) 1984, Sun Microsystems, Inc.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <rpc/rpc.h>
#include <stdlib.h>

/*
 * This is the "network" that we will be moving data over
 */
struct svc_raw_private {
        char    _raw_buf[UDPMSGSIZE];
        SVCXPRT server;
        XDR     xdr_stream;
        char    verf_body[MAX_AUTH_BYTES];
};
#define svcraw_private ((struct svc_raw_private *)(rtems_rpc_task_variables)->svc_raw_private)

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

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

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

        if (srp == 0) {
                srp = (struct svc_raw_private *)calloc(1, sizeof (*srp));
                if (srp == 0)
                        return (0);
        }
        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 svc_raw_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 svc_raw_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,
        caddr_t args_ptr)
{
        register struct svc_raw_private *srp = svcraw_private;

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

static bool_t
svcraw_freeargs(
        SVCXPRT *xprt,
        xdrproc_t xdr_args,
        caddr_t args_ptr)
{
        register struct svc_raw_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)
{
}