1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
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2 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
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4 import io.netty.buffer.ByteBuf;
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6 import org.opendaylight.openflowjava.protocol.impl.serialization.OFSerializer;
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7 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
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8 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoInput;
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11 * Translates EchoRequest messages (both OpenFlow v1.0 and OpenFlow v1.3)
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12 * @author michal.polkorab
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13 * @author timotej.kubas
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15 public class EchoInputMessageFactory implements OFSerializer<EchoInput> {
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17 /** Code type of EchoRequest message */
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18 public static final byte MESSAGE_TYPE = 2;
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19 private static EchoInputMessageFactory instance;
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20 private static final int MESSAGE_LENGTH = 8;
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22 private EchoInputMessageFactory() {
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23 // do nothing, just singleton
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27 * @return singleton factory
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29 public static synchronized EchoInputMessageFactory getInstance() {
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30 if (instance == null) {
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31 instance = new EchoInputMessageFactory();
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37 public void messageToBuffer(short version, ByteBuf out, EchoInput message) {
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38 ByteBufUtils.writeOFHeader(instance, message, out);
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39 byte[] data = message.getData();
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41 out.writeBytes(data);
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46 public int computeLength(EchoInput message) {
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47 int length = MESSAGE_LENGTH;
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48 byte[] data = message.getData();
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50 length += data.length;
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56 public byte getMessageType() {
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57 return MESSAGE_TYPE;
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