Package com.sun.messaging.jmq.jmsserver.data.handlers.admin

Source Code of com.sun.messaging.jmq.jmsserver.data.handlers.admin.QuiesceHandler

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/*
* @(#)QuiesceHandler.java  1.7 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.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.BrokerStateHandler;
import com.sun.messaging.jmq.io.Packet;
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 QuiesceHandler extends AdminCmdHandler
{
    private static boolean DEBUG = getDEBUG();

    public QuiesceHandler(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() + ": " +
                "Quiescing broker: " + cmd_props);
        }

        int status = Status.OK;
        String errMsg = null;

  // Send reply
  Packet reply = new Packet(con.useDirectBuffers());
  reply.setPacketType(PacketType.OBJECT_MESSAGE);

        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  {
        try {
            BrokerStateHandler bsh = Globals.getBrokerStateHandler();
            bsh.quiesce();
        } catch (Exception ex) {
            errMsg = ex.toString();
            status = Status.ERROR;
        }
        }

  setProperties(reply, MessageType.QUIESCE_BROKER_REPLY, status, errMsg);

  parent.sendReply(con, cmd_msg, reply);

        return true;
    }

}
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