UnreliableUdpTransport.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.activemq.transport.reliable;

import java.io.IOException;
import java.net.SocketAddress;
import java.net.URI;
import java.net.UnknownHostException;

import org.apache.activemq.openwire.OpenWireFormat;
import org.apache.activemq.transport.udp.CommandChannel;
import org.apache.activemq.transport.udp.UdpTransport;

/**
 * An unreliable UDP transport that will randomly discard packets to simulate a
 * bad network (or UDP buffers being flooded).
 */
public class UnreliableUdpTransport extends UdpTransport {

   private DropCommandStrategy dropCommandStrategy;

   public UnreliableUdpTransport(OpenWireFormat wireFormat, int port) throws UnknownHostException, IOException {
      super(wireFormat, port);
   }

   public UnreliableUdpTransport(OpenWireFormat wireFormat, SocketAddress socketAddress) throws IOException {
      super(wireFormat, socketAddress);
   }

   public UnreliableUdpTransport(OpenWireFormat wireFormat,
                                 URI remoteLocation) throws UnknownHostException, IOException {
      super(wireFormat, remoteLocation);
   }

   public UnreliableUdpTransport(OpenWireFormat wireFormat) throws IOException {
      super(wireFormat);
   }

   public DropCommandStrategy getDropCommandStrategy() {
      return dropCommandStrategy;
   }

   public void setDropCommandStrategy(DropCommandStrategy dropCommandStrategy) {
      this.dropCommandStrategy = dropCommandStrategy;
   }

   @Override
   protected CommandChannel createCommandDatagramChannel() {
      return new UnreliableCommandDatagramChannel(this, getWireFormat(), getDatagramSize(), getTargetAddress(), createDatagramHeaderMarshaller(), getReplayBuffer(), getChannel(), getBufferPool(), dropCommandStrategy);
   }

}