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/*
* Copyright (c) 2009, Sun Microsystems, 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 Sun Microsystems, 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.
*/
/*
* Copyright (c) 1986-1991 by Sun Microsystems Inc.
*/
/*
* 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 <pthread.h>
#include <reentrant.h>
#include <rpc/rpc.h>
#include <sys/types.h>
#include <rpc/raw.h>
#include <stdlib.h>
#ifndef UDPMSGSIZE
#define UDPMSGSIZE 8800
#endif
/*
* This is the "network" that we will be moving data over
*/
static struct svc_raw_private {
char *raw_buf; /* should be shared with the cl handle */
SVCXPRT server;
XDR xdr_stream;
char verf_body[MAX_AUTH_BYTES];
} *svc_raw_private;
extern mutex_t svcraw_lock;
static enum xprt_stat svc_raw_stat(SVCXPRT *);
static bool_t svc_raw_recv(SVCXPRT *, struct rpc_msg *);
static bool_t svc_raw_reply(SVCXPRT *, struct rpc_msg *);
static bool_t svc_raw_getargs(SVCXPRT *, xdrproc_t, void *);
static bool_t svc_raw_freeargs(SVCXPRT *, xdrproc_t, void *);
static void svc_raw_destroy(SVCXPRT *);
static void svc_raw_ops(SVCXPRT *);
static bool_t svc_raw_control(SVCXPRT *, const u_int, void *);
char *__rpc_rawcombuf = NULL;
SVCXPRT *
svc_raw_create()
{
struct svc_raw_private *srp;
SVCXPRT_EXT *ext = NULL;
/* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */
mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
srp = (struct svc_raw_private *)calloc(1, sizeof (*srp));
if (srp == NULL) {
mutex_unlock(&svcraw_lock);
return (NULL);
}
ext = mem_alloc(sizeof (*ext));
if (ext == NULL) {
free(srp);
mutex_unlock(&svcraw_lock);
return (NULL);
}
memset(ext, 0, sizeof (*ext));
srp->server.xp_p3 = ext;
if (__rpc_rawcombuf == NULL)
__rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char));
srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */
svc_raw_private = srp;
}
srp->server.xp_fd = FD_SETSIZE;
srp->server.xp_port = 0;
svc_flags(&srp->server) = 0;
svc_raw_ops(&srp->server);
srp->server.xp_verf.oa_base = srp->verf_body;
xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE);
xprt_register(&srp->server);
mutex_unlock(&svcraw_lock);
return (&srp->server);
}
/*ARGSUSED*/
static enum xprt_stat
svc_raw_stat(xprt)
SVCXPRT *xprt; /* args needed to satisfy ANSI-C typechecking */
{
return (XPRT_IDLE);
}
/*ARGSUSED*/
static bool_t
svc_raw_recv(xprt, msg)
SVCXPRT *xprt;
struct rpc_msg *msg;
{
struct svc_raw_private *srp;
XDR *xdrs;
mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
mutex_unlock(&svcraw_lock);
return (FALSE);
}
mutex_unlock(&svcraw_lock);
xdrs = &srp->xdr_stream;
xdrs->x_op = XDR_DECODE;
(void) XDR_SETPOS(xdrs, 0);
if (! xdr_callmsg(xdrs, msg)) {
return (FALSE);
}
return (TRUE);
}
/*ARGSUSED*/
static bool_t
svc_raw_reply(xprt, msg)
SVCXPRT *xprt;
struct rpc_msg *msg;
{
struct svc_raw_private *srp;
XDR *xdrs;
mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
mutex_unlock(&svcraw_lock);
return (FALSE);
}
mutex_unlock(&svcraw_lock);
xdrs = &srp->xdr_stream;
xdrs->x_op = XDR_ENCODE;
(void) XDR_SETPOS(xdrs, 0);
if (! xdr_replymsg(xdrs, msg)) {
return (FALSE);
}
(void) XDR_GETPOS(xdrs); /* called just for overhead */
return (TRUE);
}
/*ARGSUSED*/
static bool_t
svc_raw_getargs(xprt, xdr_args, args_ptr)
SVCXPRT *xprt;
xdrproc_t xdr_args;
void *args_ptr;
{
struct svc_raw_private *srp;
mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
mutex_unlock(&svcraw_lock);
return (FALSE);
}
mutex_unlock(&svcraw_lock);
return (*xdr_args)(&srp->xdr_stream, args_ptr);
}
/*ARGSUSED*/
static bool_t
svc_raw_freeargs(xprt, xdr_args, args_ptr)
SVCXPRT *xprt;
xdrproc_t xdr_args;
void *args_ptr;
{
struct svc_raw_private *srp;
XDR *xdrs;
mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
mutex_unlock(&svcraw_lock);
return (FALSE);
}
mutex_unlock(&svcraw_lock);
xdrs = &srp->xdr_stream;
xdrs->x_op = XDR_FREE;
return (*xdr_args)(xdrs, args_ptr);
}
/*ARGSUSED*/
static void
svc_raw_destroy(xprt)
SVCXPRT *xprt;
{
}
/*ARGSUSED*/
static bool_t
svc_raw_control(xprt, rq, in)
SVCXPRT *xprt;
const u_int rq;
void *in;
{
return (FALSE);
}
static void
svc_raw_ops(xprt)
SVCXPRT *xprt;
{
static struct xp_ops ops;
static struct xp_ops2 ops2;
extern mutex_t ops_lock;
/* VARIABLES PROTECTED BY ops_lock: ops */
mutex_lock(&ops_lock);
if (ops.xp_recv == NULL) {
ops.xp_recv = svc_raw_recv;
ops.xp_stat = svc_raw_stat;
ops.xp_getargs = svc_raw_getargs;
ops.xp_reply = svc_raw_reply;
ops.xp_freeargs = svc_raw_freeargs;
ops.xp_destroy = svc_raw_destroy;
ops2.xp_control = svc_raw_control;
}
xprt->xp_ops = &ops;
xprt->xp_ops2 = &ops2;
mutex_unlock(&ops_lock);
}
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