1 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
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3 import io.netty.buffer.ByteBuf;
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5 import java.math.BigInteger;
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7 import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;
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8 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableId;
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9 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
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10 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessageBuilder;
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13 * @author michal.polkorab
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14 * @author timotej.kubas
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16 public class PacketInMessageFactory implements OFDeserializer<PacketInMessage> {
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18 private static PacketInMessageFactory instance;
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19 private static final byte PADDING_IN_PACKET_IN_HEADER = 2;
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21 private PacketInMessageFactory() {
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26 * @return singleton factory
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28 public static PacketInMessageFactory getInstance(){
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29 if(instance == null){
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30 instance = new PacketInMessageFactory();
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36 public PacketInMessage bufferToMessage(ByteBuf rawMessage, short version) {
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37 PacketInMessageBuilder builder = new PacketInMessageBuilder();
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38 builder.setVersion(version);
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39 builder.setXid(rawMessage.readUnsignedInt());
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40 builder.setBufferId(rawMessage.readUnsignedInt());
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41 builder.setTotalLen(rawMessage.readUnsignedShort());
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42 builder.setReason(rawMessage.readUnsignedByte());
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43 builder.setTableId(new TableId((long)rawMessage.readUnsignedByte()));
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44 byte[] cookie = new byte[Long.SIZE/Byte.SIZE];
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45 rawMessage.readBytes(cookie);
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46 builder.setCookie(new BigInteger(cookie));
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47 // TODO - implement match factories to finish this factory
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48 rawMessage.skipBytes(PADDING_IN_PACKET_IN_HEADER);
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49 builder.setData(rawMessage.readBytes(rawMessage.readableBytes()).array());
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50 return builder.build();
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