2 * Copyright (c) 2014 Pantheon Technologies s.r.o. and others. All rights reserved.
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4 * This program and the accompanying materials are made available under the
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5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
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6 * and is available at http://www.eclipse.org/legal/epl-v10.html
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9 package org.opendaylight.openflowjava.protocol.impl.core;
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11 import io.netty.channel.ChannelHandlerContext;
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12 import io.netty.handler.codec.MessageToMessageDecoder;
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14 import java.util.List;
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16 import org.opendaylight.openflowjava.protocol.impl.connection.MessageConsumer;
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17 import org.opendaylight.openflowjava.protocol.impl.deserialization.DeserializationFactory;
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18 import org.opendaylight.openflowjava.util.ByteBufUtils;
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19 import org.opendaylight.yangtools.yang.binding.DataObject;
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20 import org.slf4j.Logger;
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21 import org.slf4j.LoggerFactory;
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24 * @author michal.polkorab
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27 public class OFDatagramPacketDecoder extends MessageToMessageDecoder<VersionMessageUdpWrapper>{
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29 private static final Logger LOGGER = LoggerFactory.getLogger(OFDatagramPacketDecoder.class);
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30 private DeserializationFactory deserializationFactory;
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33 protected void decode(ChannelHandlerContext ctx,
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34 VersionMessageUdpWrapper msg, List<Object> out) throws Exception {
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35 if (LOGGER.isDebugEnabled()) {
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36 LOGGER.debug("UdpVersionMessageWrapper received");
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37 LOGGER.debug("<< " + ByteBufUtils.byteBufToHexString(msg.getMessageBuffer()));
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40 DataObject dataObject = null;
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42 dataObject = deserializationFactory.deserialize(msg.getMessageBuffer(),
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44 if (dataObject == null) {
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45 LOGGER.warn("Translated POJO is null");
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47 MessageConsumer consumer = UdpConnectionMap.getMessageConsumer(msg.getAddress());
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48 consumer.consume(dataObject);
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50 } catch(Exception e) {
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51 LOGGER.error("Message deserialization failed");
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52 LOGGER.error(e.getMessage(), e);
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53 // TODO: delegate exception to allow easier deserialization
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54 // debugging / deserialization problem awareness
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56 msg.getMessageBuffer().release();
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62 * @param deserializationFactory
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64 public void setDeserializationFactory(DeserializationFactory deserializationFactory) {
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65 this.deserializationFactory = deserializationFactory;
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