/*
* 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.serialization;
import java.util.HashMap;
import java.util.Map;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFGeneralSerializer;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.protocol.impl.util.OF10MatchSerializer;
import org.opendaylight.openflowjava.protocol.impl.util.OF13MatchSerializer;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.v10.grouping.MatchV10;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Stores and handles serializers
* K - {@link MessageTypeKey} type
* S - returned serializer type
* @author michal.polkorab
* @author timotej.kubas
*/
public class SerializerRegistryImpl implements SerializerRegistry {
private static final Logger LOGGER = LoggerFactory.getLogger(SerializerRegistryImpl.class);
private static final short OF10 = EncodeConstants.OF10_VERSION_ID;
private static final short OF13 = EncodeConstants.OF13_VERSION_ID;
private Map, OFGeneralSerializer> registry;
@Override
public void init() {
registry = new HashMap<>();
// Openflow message type serializers
MessageFactoryInitializer.registerMessageSerializers(this);
// match structure serializers
registerSerializer(new MessageTypeKey<>(OF10, MatchV10.class), new OF10MatchSerializer());
registerSerializer(new MessageTypeKey<>(OF13, Match.class), new OF13MatchSerializer());
// match entry serializers
MatchEntriesInitializer.registerMatchEntrySerializers(this);
// action serializers
ActionsInitializer.registerActionSerializers(this);
// instruction serializers
InstructionsInitializer.registerInstructionSerializers(this);
}
/**
* @param msgTypeKey
* @return encoder for current type of message (msgTypeKey)
*/
@Override
@SuppressWarnings("unchecked")
public S getSerializer(
MessageTypeKey msgTypeKey) {
OFGeneralSerializer serializer = registry.get(msgTypeKey);
if (serializer == null) {
throw new IllegalStateException("Serializer for key: " + msgTypeKey
+ " was not found - please verify that you are using correct message"
+ " combination (e.g. OF v1.0 message to OF v1.0 device)");
}
return (S) serializer;
}
@Override
public void registerSerializer(
MessageTypeKey msgTypeKey, OFGeneralSerializer serializer) {
if ((msgTypeKey == null) || (serializer == null)) {
throw new IllegalArgumentException("MessageTypeKey or Serializer is null");
}
OFGeneralSerializer serInRegistry = registry.put(msgTypeKey, serializer);
if (serInRegistry != null) {
LOGGER.debug("Serializer for key " + msgTypeKey + " overwritten. Old serializer: "
+ serInRegistry.getClass().getName() + ", new serializer: "
+ serializer.getClass().getName() );
}
if (serializer instanceof SerializerRegistryInjector) {
((SerializerRegistryInjector) serializer).injectSerializerRegistry(this);
}
}
@Override
public boolean unregisterSerializer(MessageTypeKey msgTypeKey) {
if (msgTypeKey == null) {
throw new IllegalArgumentException("MessageTypeKey is null");
}
OFGeneralSerializer serializer = registry.remove(msgTypeKey);
if (serializer == null) {
return false;
}
return true;
}
}