/*
* Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
import io.netty.buffer.ByteBuf;
import java.math.BigInteger;
import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
import org.opendaylight.openflowjava.protocol.api.keys.MessageCodeKey;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowRemovedReason;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.v10.grouping.MatchV10;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessage;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessageBuilder;
/**
* Translates FlowRemoved messages (OpenFlow v1.0)
* @author michal.polkorab
*/
public class OF10FlowRemovedMessageFactory implements OFDeserializer<FlowRemovedMessage>,
DeserializerRegistryInjector {
private static final byte PADDING_IN_FLOW_REMOVED_MESSAGE = 1;
private static final byte PADDING_IN_FLOW_REMOVED_MESSAGE_2 = 2;
private DeserializerRegistry registry;
@Override
public FlowRemovedMessage deserialize(ByteBuf rawMessage) {
FlowRemovedMessageBuilder builder = new FlowRemovedMessageBuilder();
builder.setVersion((short) EncodeConstants.OF10_VERSION_ID);
builder.setXid(rawMessage.readUnsignedInt());
OFDeserializer<MatchV10> matchDeserializer = registry.getDeserializer(
new MessageCodeKey(EncodeConstants.OF10_VERSION_ID, EncodeConstants.EMPTY_VALUE, MatchV10.class));
builder.setMatchV10(matchDeserializer.deserialize(rawMessage));
byte[] cookie = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
rawMessage.readBytes(cookie);
builder.setCookie(new BigInteger(1, cookie));
builder.setPriority(rawMessage.readUnsignedShort());
builder.setReason(FlowRemovedReason.forValue(rawMessage.readUnsignedByte()));
rawMessage.skipBytes(PADDING_IN_FLOW_REMOVED_MESSAGE);
builder.setDurationSec(rawMessage.readUnsignedInt());
builder.setDurationNsec(rawMessage.readUnsignedInt());
builder.setIdleTimeout(rawMessage.readUnsignedShort());
rawMessage.skipBytes(PADDING_IN_FLOW_REMOVED_MESSAGE_2);
byte[] packetCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
rawMessage.readBytes(packetCount);
builder.setPacketCount(new BigInteger(1, packetCount));
byte[] byteCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
rawMessage.readBytes(byteCount);
builder.setByteCount(new BigInteger(1, byteCount));
return builder.build();
}
@Override
public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
registry = deserializerRegistry;
}
}