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/*
* Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
*
*
* Client that will run in its own vm and tell the main CheckFQDN test
* program what its rmi host name is, name obtained from TCPEndpoint.
*/
import java.rmi.*;
import java.rmi.server.*;
import sun.rmi.transport.tcp.TCPEndpoint;
/**
* Get the local endpoint: make sure that this process does
* not take too much time and that the resulting localhost
* string is correct for the property set on an execed vm process.
*/
public class CheckFQDNClient implements Runnable {
final static int NAME_SERVICE_TIME_OUT = 12000;
static TCPEndpoint ep = null;
/**
* main, lookup remote object and tell it the rmi
* hostname of this client vm.
*/
public static void main (String args[]) {
// start a registry and register a copy of this in it.
TellServerName tell;
String hostname = null;
try {
hostname = retrieveServerName();
System.err.println("Client host name: " +
hostname);
int registryPort = Integer.parseInt(System.getProperty("rmi.registry.port"));
tell = (TellServerName) Naming.lookup("rmi://:" +
registryPort
+ "/CheckFQDN");
tell.tellServerName(hostname);
System.err.println("client has exited");
} catch (Exception e ) {
throw new RuntimeException(e.getMessage());
}
System.exit(0);
}
/* what is the rmi hostname for this vm? */
public static String retrieveServerName () {
try {
CheckFQDNClient chk = new CheckFQDNClient();
synchronized(chk) {
(new Thread (chk)).start();
chk.wait(NAME_SERVICE_TIME_OUT);
}
if (ep == null) {
throw new RuntimeException
("Timeout getting the local endpoint.");
}
// this is the name used by rmi for the client hostname
return ep.getHost();
}catch (Exception e){
throw new RuntimeException (e.getMessage());
}
}
/* thread to geth the rmi hostname of this vm */
public void run () {
try {
synchronized(this) {
ep = TCPEndpoint.getLocalEndpoint(0);
}
} catch (Exception e) {
throw new RuntimeException();
} finally {
synchronized(this) {
this.notify();
}
}
}
}
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