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/*
* 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 simulate rpc and get rpc (round trip) overhead, without
* any interference from the kernel.
*
* 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.
*/
#include <rpc/rpc.h>
#include <rpc/svc.h>
/*
* This is the "network" that we will be moving data over
*/
struct svcraw_private_s
{
char _raw_buf[UDPMSGSIZE];
SVCXPRT server;
XDR xdr_stream;
char verf_body[MAX_AUTH_BYTES];
};
#ifdef _RPC_THREAD_SAFE_
#define svcraw_private RPC_THREAD_VARIABLE(svcraw_private_s)
#else
static struct svcraw_private_s *svcraw_private;
#endif
static bool_t svcraw_recv (SVCXPRT *, struct rpc_msg *);
static enum xprt_stat svcraw_stat (SVCXPRT *);
static bool_t svcraw_getargs (SVCXPRT *, xdrproc_t, caddr_t);
static bool_t svcraw_reply (SVCXPRT *, struct rpc_msg *);
static bool_t svcraw_freeargs (SVCXPRT *, xdrproc_t, caddr_t);
static void svcraw_destroy (SVCXPRT *);
static const struct xp_ops server_ops =
{
svcraw_recv,
svcraw_stat,
svcraw_getargs,
svcraw_reply,
svcraw_freeargs,
svcraw_destroy
};
SVCXPRT *
svcraw_create (void)
{
struct svcraw_private_s *srp = svcraw_private;
if (srp == 0)
{
srp = (struct svcraw_private_s *) calloc (1, sizeof (*srp));
if (srp == 0)
return NULL;
}
srp->server.xp_sock = 0;
srp->server.xp_port = 0;
srp->server.xp_ops = (struct 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;
}
libc_hidden_nolink (svcraw_create, GLIBC_2_0)
static enum xprt_stat
svcraw_stat (SVCXPRT *xprt)
{
return XPRT_IDLE;
}
static bool_t
svcraw_recv (xprt, msg)
SVCXPRT *xprt;
struct rpc_msg *msg;
{
struct svcraw_private_s *srp = svcraw_private;
XDR *xdrs;
if (srp == 0)
return FALSE;
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_s *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, caddr_t args_ptr)
{
struct svcraw_private_s *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)
{
struct svcraw_private_s *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)
{
}
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