openflowjava/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/FlowRemovedMessageFactory.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.math.BigInteger;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  16 import org.opendaylight.openflowjava.protocol.api.keys.MessageCodeKey;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowRemovedReason;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableId;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.grouping.Match;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessage;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessageBuilder;
  23
  24 /**
  25  * Translates FlowRemoved messages.
  26  *
  27  * @author michal.polkorab
  28  * @author timotej.kubas
  29  */
  30 public class FlowRemovedMessageFactory implements OFDeserializer<FlowRemovedMessage>,
  31         DeserializerRegistryInjector {
  32
  33     private DeserializerRegistry registry;
  34
  35     @Override
  36     public FlowRemovedMessage deserialize(ByteBuf rawMessage) {
  37         FlowRemovedMessageBuilder builder = new FlowRemovedMessageBuilder();
  38         builder.setVersion((short) EncodeConstants.OF13_VERSION_ID);
  39         builder.setXid(rawMessage.readUnsignedInt());
  40         byte[] cookie = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
  41         rawMessage.readBytes(cookie);
  42         builder.setCookie(new BigInteger(1, cookie));
  43         builder.setPriority(rawMessage.readUnsignedShort());
  44         builder.setReason(FlowRemovedReason.forValue(rawMessage.readUnsignedByte()));
  45         builder.setTableId(new TableId((long)rawMessage.readUnsignedByte()));
  46         builder.setDurationSec(rawMessage.readUnsignedInt());
  47         builder.setDurationNsec(rawMessage.readUnsignedInt());
  48         builder.setIdleTimeout(rawMessage.readUnsignedShort());
  49         builder.setHardTimeout(rawMessage.readUnsignedShort());
  50         byte[] packetCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
  51         rawMessage.readBytes(packetCount);
  52         builder.setPacketCount(new BigInteger(1, packetCount));
  53         byte[] byteCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
  54         rawMessage.readBytes(byteCount);
  55         builder.setByteCount(new BigInteger(1, byteCount));
  56         OFDeserializer<Match> matchDeserializer = registry.getDeserializer(new MessageCodeKey(
  57                 EncodeConstants.OF13_VERSION_ID, EncodeConstants.EMPTY_VALUE, Match.class));
  58         builder.setMatch(matchDeserializer.deserialize(rawMessage));
  59         return builder.build();
  60     }
  61
  62     @Override
  63     public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
  64         registry = deserializerRegistry;
  65     }
  66 }