/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
*
* Actually implements two flavors of transporter -
* a tcp rendezvouser (a listner and connection establisher)
*/
#include <errno.h>
#include <syslog.h>
#include <malloc.h>
#include <stdio.h>
extern int errno;
extern SVCXPRT *svc_xprt_alloc();
extern void svc_xprt_free();
extern int _socket(int, int, int);
extern int _getsockname(int, struct sockaddr *, int *);
extern int _listen(int, int);
extern int bindresvport(int, struct sockaddr_in *);
static struct xp_ops *svctcp_ops();
static struct xp_ops *svctcp_rendezvous_ops();
static SVCXPRT *makefd_xprt();
};
};
/*
* Usage:
* xprt = svctcp_create(sock, send_buf_size, recv_buf_size);
*
* Creates, registers, and returns a (rpc) tcp based transporter.
* Once *xprt is initialized, it is registered as a transporter
* see (svc.h, xprt_register). This routine returns
* a NULL if a problem occurred.
*
* If sock<0 then a socket is created, else sock is used.
* If the socket, sock is not bound to a port then svctcp_create
* binds it to an arbitrary port. The routine then starts a tcp
* listener on the socket's associated port. In any (successful) case,
* xprt->xp_sock is the registered socket number and xprt->xp_port is the
* associated port number.
*
* Since tcp streams do buffered io similar to stdio, the caller can specify
* how big the send and receive buffers are via the second and third parms;
* 0 => use the system default.
*/
SVCXPRT *
register int sock;
{
register struct tcp_rendezvous *r;
if (sock == RPC_ANYSOCK) {
" socket creation problem: %m");
}
}
}
" getsockname or listen: %m");
if (madesock)
}
r = (struct tcp_rendezvous *)mem_alloc(sizeof (*r));
if (r == NULL) {
if (madesock)
return (NULL);
}
xprt = svc_xprt_alloc();
mem_free((char *) r, sizeof (*r));
if (madesock)
return (NULL);
}
return (xprt);
}
/*
* Like svtcp_create(), except the routine takes any *open* UNIX file
* descriptor as its first input.
*/
SVCXPRT *
int fd;
{
}
static SVCXPRT *
int fd;
{
xprt = svc_xprt_alloc();
goto done;
}
goto done;
}
xprt->xp_addrlen = 0;
/* to handle svc_getcaller() properly */
done:
return (xprt);
}
static bool_t
{
int sock;
struct tcp_rendezvous *r;
int len;
len = sizeof (struct sockaddr_in);
&len)) < 0) {
goto again;
return (FALSE);
}
/*
* make a new transporter (re-uses xprt)
*/
return (FALSE); /* there is never an rpc msg to be processed */
}
static enum xprt_stat
{
return (XPRT_IDLE);
}
static void
{
/* a rendezvouser socket */
} else {
/* an actual connection socket */
}
}
/*
* All read operations timeout after 35 seconds.
* A timeout is fatal for the connection.
*/
/*
* reads data from the tcp conection.
* any error is fatal and the connection is closed.
* (And a read of zero bytes is a half closed stream => error.)
*/
static int
register int len;
{
do {
&wait_per_try) <= 0) {
continue;
}
goto fatal_err;
}
return (len);
}
return (-1);
}
/*
* writes data to the tcp connection.
* Any error is fatal and the connection is closed.
*/
static int
int len;
{
register int i, cnt;
return (-1);
}
}
return (len);
}
static enum xprt_stat
{
return (XPRT_DIED);
return (XPRT_MOREREQS);
return (XPRT_IDLE);
}
static bool_t
{
(void) xdrrec_skiprecord(xdrs);
return (TRUE);
}
return (FALSE);
}
static bool_t
{
args_ptr));
}
static bool_t
{
}
static bool_t
{
return (stat);
}
static struct xp_ops *
{
}
return (&ops);
}
static struct xp_ops *
{
}
return (&ops);
}