/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2000-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/*
* @(#)TakeoverHandler.java 1.11 07/12/07
*/
package com.sun.messaging.jmq.jmsserver.data.handlers.admin;
import java.util.Hashtable;
import java.io.IOException;
import java.net.InetAddress;
import java.util.Vector;
import java.util.HashSet;
import java.util.Set;
import java.util.Iterator;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.BrokerStateHandler;
import com.sun.messaging.jmq.jmsserver.cluster.*;
import com.sun.messaging.jmq.jmsserver.cluster.ha.*;
import com.sun.messaging.jmq.jmsserver.service.HAMonitorService;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQConnection;
import com.sun.messaging.jmq.jmsserver.resources.*;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.io.PacketType;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.util.admin.MessageType;
import com.sun.messaging.jmq.util.log.Logger;
public class TakeoverHandler extends AdminCmdHandler
{
private static boolean DEBUG = getDEBUG();
public TakeoverHandler(AdminDataHandler parent) {
super(parent);
}
/**
* Handle the incomming administration message.
*
* @param con The Connection the message came in on.
* @param cmd_msg The administration message
* @param cmd_props The properties from the administration message
*/
public boolean handle(IMQConnection con, Packet cmd_msg,
Hashtable cmd_props) {
if ( DEBUG ) {
logger.log(Logger.DEBUG, this.getClass().getName() + ": " +
"Taking over broker: " + cmd_props);
}
String brokerID = (String)cmd_props.get(MessageType.JMQ_BROKER_ID);
int status = Status.OK;
String errMsg = null;
HAMonitorService hamonitor = Globals.getHAMonitorService();
if (hamonitor != null && hamonitor.inTakeover()) {
status = Status.ERROR;
errMsg = rb.getString(rb.E_CANNOT_PROCEED_TAKEOVER_IN_PROCESS);
logger.log(Logger.ERROR, this.getClass().getName() + ": " + errMsg);
} else {
/*
* Add takeover logic here
*/
logger.log(Logger.INFO,
BrokerResources.I_ADMIN_TAKEOVER,
brokerID);
try {
BrokerStateHandler bsh = Globals.getBrokerStateHandler();
bsh.takeoverBroker(brokerID, true);
} catch (Exception ex) {
logger.logStack(Logger.ERROR, Globals.getBrokerResources().getKString(
BrokerResources.E_UNABLE_TO_TAKEOVER_BKR, brokerID, ex.getMessage()), ex);
status = Status.ERROR;
errMsg =ex.toString();
}
}
// Send reply
Packet reply = new Packet(con.useDirectBuffers());
reply.setPacketType(PacketType.OBJECT_MESSAGE);
setProperties(reply, MessageType.TAKEOVER_BROKER_REPLY, status, errMsg);
parent.sendReply(con, cmd_msg, reply);
return true;
}
}