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package org.mule.transport.udp; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.endpoint.InboundEndpoint; |
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import org.mule.api.retry.RetryContext; |
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import org.mule.transport.AbstractMessageRequester; |
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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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public class UdpMessageRequester extends AbstractMessageRequester |
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{ |
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protected final UdpConnector connector; |
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public UdpMessageRequester(InboundEndpoint endpoint) |
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{ |
33 | 0 | super(endpoint); |
34 | 0 | this.connector = (UdpConnector)endpoint.getConnector(); |
35 | 0 | } |
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@Override |
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protected void doConnect() throws Exception |
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{ |
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41 | 0 | } |
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@Override |
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public RetryContext validateConnection(RetryContext retryContext) |
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{ |
46 | 0 | DatagramSocket socket = null; |
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try |
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{ |
49 | 0 | socket = connector.getSocket(endpoint); |
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51 | 0 | retryContext.setOk(); |
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} |
53 | 0 | catch (Exception ex) |
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{ |
55 | 0 | retryContext.setFailed(ex); |
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} |
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finally |
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{ |
59 | 0 | if (socket != null) |
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{ |
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try |
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{ |
63 | 0 | connector.releaseSocket(socket, endpoint); |
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} |
65 | 0 | catch (Exception e) |
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{ |
67 | 0 | if (logger.isDebugEnabled()) |
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{ |
69 | 0 | logger.debug("Failed to release a socket " + socket, e); |
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} |
71 | 0 | } |
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} |
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} |
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75 | 0 | return retryContext; |
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} |
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@Override |
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protected void doDisconnect() throws Exception |
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{ |
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83 | 0 | } |
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private DatagramPacket request(DatagramSocket socket, int timeout) throws IOException |
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{ |
87 | 0 | int origTimeout = socket.getSoTimeout(); |
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try |
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{ |
90 | 0 | DatagramPacket packet = new DatagramPacket(new byte[connector.getReceiveBufferSize()], |
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connector.getReceiveBufferSize()); |
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93 | 0 | if(timeout > 0 && timeout != socket.getSoTimeout()) |
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{ |
95 | 0 | socket.setSoTimeout(timeout); |
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} |
97 | 0 | socket.receive(packet); |
98 | 0 | return packet; |
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} |
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finally |
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{ |
102 | 0 | if(socket.getSoTimeout()!= origTimeout) |
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{ |
104 | 0 | socket.setSoTimeout(origTimeout); |
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} |
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} |
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} |
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@Override |
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protected MuleMessage doRequest(long timeout) throws Exception |
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{ |
123 | 0 | DatagramSocket socket = connector.getSocket(endpoint); |
124 | 0 | DatagramPacket result = request(socket, (int)timeout); |
125 | 0 | if (result == null) |
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{ |
127 | 0 | return null; |
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} |
129 | 0 | return createMuleMessage(result, endpoint.getEncoding()); |
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} |
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@Override |
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protected void doDispose() |
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{ |
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136 | 0 | } |
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} |