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/* $OpenBSD: svc_raw.c,v 1.12 2015/11/01 03:45:29 guenther Exp $ */
/*
* Copyright (c) 2010, Oracle America, Inc.
*
* 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.
*/
/*
* 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 <stdlib.h>
#include <rpc/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 *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)
{
struct svcraw_private *srp = svcraw_private;
if (srp == NULL) {
srp = calloc(1, sizeof (*srp));
if (srp == NULL)
return (NULL);
}
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 == NULL)
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 == NULL)
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)
{
struct svcraw_private *srp = svcraw_private;
if (srp == NULL)
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)
{
struct svcraw_private *srp = svcraw_private;
XDR *xdrs;
if (srp == NULL)
return (FALSE);
xdrs = &srp->xdr_stream;
xdrs->x_op = XDR_FREE;
return ((*xdr_args)(xdrs, args_ptr));
}
static void
svcraw_destroy(SVCXPRT *xprt)
{
}
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