/*
* Copyright (C) 1999-2009 Jive Software. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.openfire.plugin.util.cluster;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import org.dom4j.Element;
import org.dom4j.tree.DefaultElement;
import org.jivesoftware.openfire.XMPPServer;
import org.jivesoftware.util.cache.ClusterTask;
import org.jivesoftware.util.cache.ExternalizableUtil;
import org.xmpp.packet.IQ;
import org.xmpp.packet.JID;
import org.xmpp.packet.Message;
import org.xmpp.packet.Packet;
import org.xmpp.packet.Presence;
/**
* Task to be executed by remote nodes to deliver the requested packet to the requested
* receiver.
*
* @author Gaston Dombiak
*/
public class RemotePacketExecution implements ClusterTask<Void> {
private JID recipient;
private Packet packet;
public RemotePacketExecution() {
}
public RemotePacketExecution(JID recipient, Packet packet) {
this.recipient = recipient;
this.packet = packet;
}
public Void getResult() {
return null;
}
public void run() {
// Route packet to entity hosted by this node. If delivery fails then the routing table
// will inform the proper router of the failure and the router will handle the error reply logic
XMPPServer.getInstance().getRoutingTable().routePacket(recipient, packet, false);
}
public void writeExternal(ObjectOutput out) throws IOException {
ExternalizableUtil.getInstance().writeSerializable(out, recipient);
if (packet instanceof IQ) {
ExternalizableUtil.getInstance().writeInt(out, 1);
}
else if (packet instanceof Message) {
ExternalizableUtil.getInstance().writeInt(out, 2);
}
else if (packet instanceof Presence) {
ExternalizableUtil.getInstance().writeInt(out, 3);
}
ExternalizableUtil.getInstance().writeSerializable(out, (DefaultElement) packet.getElement());
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
recipient = (JID) ExternalizableUtil.getInstance().readSerializable(in);
int packetType = ExternalizableUtil.getInstance().readInt(in);
Element packetElement = (Element) ExternalizableUtil.getInstance().readSerializable(in);
switch (packetType) {
case 1:
packet = new IQ(packetElement, true);
break;
case 2:
packet = new Message(packetElement, true);
break;
case 3:
packet = new Presence(packetElement, true);
break;
}
}
public String toString() {
return super.toString() + " recipient: " + recipient + "packet: " + packet;
}
}