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Java > Open Source Codes > org > apache > activemq > transport > reliable > UnreliableUdpTransport


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.activemq.transport.reliable;
18
19 import org.apache.activemq.openwire.OpenWireFormat;
20 import org.apache.activemq.transport.udp.CommandChannel;
21 import org.apache.activemq.transport.udp.CommandDatagramChannel;
22 import org.apache.activemq.transport.udp.UdpTransport;
23
24 import java.io.IOException JavaDoc;
25 import java.net.SocketAddress JavaDoc;
26 import java.net.URI JavaDoc;
27 import java.net.UnknownHostException JavaDoc;
28
29 /**
30  * An unreliable UDP transport that will randomly discard packets to simulate a
31  * bad network (or UDP buffers being flooded).
32  *
33  * @version $Revision: $
34  */
35 public class UnreliableUdpTransport extends UdpTransport {
36
37     private DropCommandStrategy dropCommandStrategy;
38
39     public UnreliableUdpTransport(OpenWireFormat wireFormat, int port) throws UnknownHostException JavaDoc, IOException JavaDoc {
40         super(wireFormat, port);
41     }
42
43     public UnreliableUdpTransport(OpenWireFormat wireFormat, SocketAddress JavaDoc socketAddress) throws IOException JavaDoc {
44         super(wireFormat, socketAddress);
45     }
46
47     public UnreliableUdpTransport(OpenWireFormat wireFormat, URI JavaDoc remoteLocation) throws UnknownHostException JavaDoc,
48             IOException JavaDoc {
49         super(wireFormat, remoteLocation);
50     }
51
52     public UnreliableUdpTransport(OpenWireFormat wireFormat) throws IOException JavaDoc {
53         super(wireFormat);
54     }
55
56     public DropCommandStrategy getDropCommandStrategy() {
57         return dropCommandStrategy;
58     }
59
60     public void setDropCommandStrategy(DropCommandStrategy dropCommandStrategy) {
61         this.dropCommandStrategy = dropCommandStrategy;
62     }
63
64     protected CommandChannel createCommandDatagramChannel() {
65         return new UnreliableCommandDatagramChannel(this, getWireFormat(), getDatagramSize(), getTargetAddress(),
66                 createDatagramHeaderMarshaller(), getReplayBuffer(), getChannel(), getBufferPool(), dropCommandStrategy);
67     }
68
69 }
70
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