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package org.mule.transport.udp; |
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import org.mule.DefaultMuleMessage; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.endpoint.ImmutableEndpoint; |
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import org.mule.api.endpoint.OutboundEndpoint; |
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import org.mule.transport.AbstractMessageDispatcher; |
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import java.io.IOException; |
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import java.net.DatagramPacket; |
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import java.net.DatagramSocket; |
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import java.net.InetAddress; |
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public class UdpMessageDispatcher extends AbstractMessageDispatcher |
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{ |
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protected final UdpConnector connector; |
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public UdpMessageDispatcher(OutboundEndpoint endpoint) |
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{ |
36 | 2 | super(endpoint); |
37 | 2 | this.connector = (UdpConnector)endpoint.getConnector(); |
38 | 2 | } |
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protected void doConnect() throws Exception |
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{ |
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|
43 | 2 | DatagramSocket socket = connector.getSocket(endpoint); |
44 | 2 | connector.releaseSocket(socket, endpoint); |
45 | 2 | } |
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protected void doDisconnect() throws Exception |
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{ |
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50 | 2 | } |
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protected synchronized void doDispatch(MuleEvent event) throws Exception |
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{ |
55 | 3000 | ImmutableEndpoint ep = event.getEndpoint(); |
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57 | 3000 | DatagramSocket socket = connector.getSocket(ep); |
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try |
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{ |
60 | 3000 | byte[] payload = event.transformMessageToBytes(); |
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62 | 3000 | int port = ep.getEndpointURI().getPort(); |
63 | 3000 | InetAddress inetAddress = null; |
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65 | 3000 | if("null".equalsIgnoreCase(ep.getEndpointURI().getHost())) |
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{ |
67 | 0 | inetAddress = InetAddress.getLocalHost(); |
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} |
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else |
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{ |
71 | 3000 | inetAddress = InetAddress.getByName(ep.getEndpointURI().getHost()); |
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} |
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74 | 3000 | write(socket, payload, port, inetAddress); |
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} |
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finally |
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{ |
78 | 3000 | connector.releaseSocket(socket, ep); |
79 | 3000 | } |
80 | 3000 | } |
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protected void write(DatagramSocket socket, byte[] data, int port, InetAddress inetAddress) throws IOException |
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{ |
84 | 3000 | DatagramPacket packet = new DatagramPacket(data, data.length); |
85 | 3000 | if (port >= 0) |
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{ |
87 | 3000 | packet.setPort(port); |
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} |
89 | 3000 | packet.setAddress(inetAddress); |
90 | 3000 | socket.send(packet); |
91 | 3000 | } |
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protected synchronized MuleMessage doSend(MuleEvent event) throws Exception |
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{ |
95 | 0 | doDispatch(event); |
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|
97 | 0 | if (event.getEndpoint().isRemoteSync()) |
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{ |
99 | 0 | DatagramSocket socket = connector.getSocket(event.getEndpoint()); |
100 | 0 | DatagramPacket result = receive(socket, event.getTimeout()); |
101 | 0 | if (result == null) |
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{ |
103 | 0 | return null; |
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} |
105 | 0 | return new DefaultMuleMessage(connector.getMessageAdapter(result), event.getMessage()); |
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} |
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else |
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{ |
109 | 0 | return event.getMessage(); |
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} |
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} |
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private DatagramPacket receive(DatagramSocket socket, int timeout) throws IOException |
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{ |
115 | 0 | int origTimeout = socket.getSoTimeout(); |
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try |
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{ |
118 | 0 | DatagramPacket packet = new DatagramPacket(new byte[connector.getReceiveBufferSize()], |
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connector.getReceiveBufferSize()); |
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|
121 | 0 | if(timeout > 0 && timeout != socket.getSoTimeout()) |
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{ |
123 | 0 | socket.setSoTimeout(timeout); |
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} |
125 | 0 | socket.receive(packet); |
126 | 0 | return packet; |
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} |
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finally |
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{ |
130 | 0 | if(socket.getSoTimeout()!= origTimeout) |
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{ |
132 | 0 | socket.setSoTimeout(origTimeout); |
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} |
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} |
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} |
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protected void doDispose() |
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{ |
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140 | 2 | } |
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} |