/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1989, 2011, Oracle and/or its affiliates. All rights reserved.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Portions of this source code were derived from Berkeley
* 4.3 BSD under license from the Regents of the University of
* California.
*/
/*
* 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.
*
*/
#include "mt.h"
#include "rpc_mt.h"
#include <stdlib.h>
#include <rpc/rpc.h>
#include <sys/types.h>
#include <rpc/raw.h>
#include <syslog.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;
static struct xp_ops *svc_raw_ops();
extern mutex_t svcraw_lock;
SVCXPRT *
svc_raw_create(void)
{
struct svc_raw_private *srp;
bool_t flag1 = FALSE, flag2 = FALSE;
/* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */
(void) mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
srp = calloc(1, sizeof (*srp));
if (srp == NULL) {
syslog(LOG_ERR, "svc_raw_create: out of memory");
(void) mutex_unlock(&svcraw_lock);
return (NULL);
}
flag1 = TRUE;
if (_rawcombuf == NULL) {
_rawcombuf = calloc(UDPMSGSIZE, sizeof (char));
if (_rawcombuf == NULL) {
free(srp);
syslog(LOG_ERR, "svc_raw_create: "
"out of memory");
(void) mutex_unlock(&svcraw_lock);
return (NULL);
}
flag2 = TRUE;
}
srp->raw_buf = _rawcombuf; /* Share it with the client */
svc_raw_private = srp;
}
if ((srp->server = svc_xprt_alloc()) == NULL) {
if (flag2)
free(svc_raw_private->raw_buf);
if (flag1)
free(svc_raw_private);
(void) mutex_unlock(&svcraw_lock);
return (NULL);
}
/*
* By convention, using FD_SETSIZE as the pseudo file descriptor
*/
srp->server->xp_fd = FD_SETSIZE;
srp->server->xp_port = 0;
srp->server->xp_ops = svc_raw_ops();
srp->server->xp_verf.oa_base = srp->verf_body;
xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE);
xprt_register(srp->server);
(void) mutex_unlock(&svcraw_lock);
return (srp->server);
}
/*ARGSUSED*/
static enum xprt_stat
svc_raw_stat(SVCXPRT *xprt)
{
return (XPRT_IDLE);
}
/*ARGSUSED*/
static bool_t
svc_raw_recv(SVCXPRT *xprt, struct rpc_msg *msg)
{
struct svc_raw_private *srp;
XDR *xdrs;
(void) mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
(void) mutex_unlock(&svcraw_lock);
return (FALSE);
}
(void) mutex_unlock(&svcraw_lock);
xdrs = &srp->xdr_stream;
xdrs->x_op = XDR_DECODE;
(void) XDR_SETPOS(xdrs, 0);
return (xdr_callmsg(xdrs, msg));
}
/*ARGSUSED*/
static bool_t
svc_raw_reply(SVCXPRT *xprt, struct rpc_msg *msg)
{
struct svc_raw_private *srp;
XDR *xdrs;
(void) mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
(void) mutex_unlock(&svcraw_lock);
return (FALSE);
}
(void) mutex_unlock(&svcraw_lock);
xdrs = &srp->xdr_stream;
xdrs->x_op = XDR_ENCODE;
(void) XDR_SETPOS(xdrs, 0);
return (xdr_replymsg(xdrs, msg));
}
/*ARGSUSED*/
static bool_t
svc_raw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
{
struct svc_raw_private *srp;
(void) mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
(void) mutex_unlock(&svcraw_lock);
return (FALSE);
}
(void) mutex_unlock(&svcraw_lock);
return ((*xdr_args)(&srp->xdr_stream, args_ptr));
}
/*ARGSUSED*/
static bool_t
svc_raw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
{
struct svc_raw_private *srp;
XDR *xdrs;
(void) mutex_lock(&svcraw_lock);
srp = svc_raw_private;
if (srp == NULL) {
(void) mutex_unlock(&svcraw_lock);
return (FALSE);
}
(void) 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(SVCXPRT *xprt)
{
}
/*ARGSUSED*/
static bool_t
svc_raw_control(SVCXPRT *xprt, const uint_t rq, void *in)
{
switch (rq) {
case SVCGET_XID: /* fall through for now */
default:
return (FALSE);
}
}
static struct xp_ops *
svc_raw_ops(void)
{
static struct xp_ops ops;
extern mutex_t ops_lock;
/* VARIABLES PROTECTED BY ops_lock: ops */
(void) 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;
ops.xp_control = svc_raw_control;
}
(void) mutex_unlock(&ops_lock);
return (&ops);
}