/*
* Copyright (c) 2014 Cisco Systems, Inc. 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.groupbasedpolicy.renderer.ofoverlay.node;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.Map.Entry;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayNodeConfig;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class OfOverlayNodeListener implements DataChangeListener, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(OfOverlayNodeListener.class);
private final static InstanceIdentifier<OfOverlayNodeConfig> ofOverlayNodeIid = InstanceIdentifier.builder(
Nodes.class)
.child(Node.class)
.augmentation(OfOverlayNodeConfig.class)
.build();
private final SwitchManager switchManager;
private final ListenerRegistration<DataChangeListener> listenerRegistration;
public OfOverlayNodeListener(DataBroker dataProvider, SwitchManager switchManager) {
this.switchManager = checkNotNull(switchManager);
listenerRegistration = checkNotNull(dataProvider).registerDataChangeListener(
LogicalDatastoreType.CONFIGURATION, ofOverlayNodeIid, this, DataChangeScope.ONE);
}
@Override
public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
for (Entry<InstanceIdentifier<?>, DataObject> nodeConfigEntry : change.getCreatedData().entrySet()) {
if (OfOverlayNodeConfig.class.equals(nodeConfigEntry.getKey().getTargetType())) {
NodeId nodeId = nodeConfigEntry.getKey().firstKeyOf(Node.class, NodeKey.class).getId();
OfOverlayNodeConfig nodeConfig = (OfOverlayNodeConfig) nodeConfigEntry.getValue();
LOG.trace("OfOverlayNodeConfig created. NodeId: {} OfOverlayNodeConfig: {}", nodeId.getValue(),
nodeConfig);
switchManager.updateSwitchConfig(nodeId, nodeConfig);
}
}
for (Entry<InstanceIdentifier<?>, DataObject> nodeConfigEntry : change.getUpdatedData().entrySet()) {
if (OfOverlayNodeConfig.class.equals(nodeConfigEntry.getKey().getTargetType())) {
NodeId nodeId = nodeConfigEntry.getKey().firstKeyOf(Node.class, NodeKey.class).getId();
OfOverlayNodeConfig nodeConfig = (OfOverlayNodeConfig) nodeConfigEntry.getValue();
LOG.trace("OfOverlayNodeConfig updated. NodeId: {} OfOverlayNodeConfig: {}", nodeId.getValue(),
nodeConfig);
switchManager.updateSwitchConfig(nodeId, nodeConfig);
}
}
for (InstanceIdentifier<?> removedNodeConfigIid : change.getRemovedPaths()) {
if (OfOverlayNodeConfig.class.equals(removedNodeConfigIid.getTargetType())) {
NodeId nodeId = removedNodeConfigIid.firstKeyOf(Node.class, NodeKey.class).getId();
LOG.trace("OfOverlayNodeConfig removed. NodeId: {}", nodeId.getValue());
switchManager.updateSwitchConfig(nodeId, null);
}
}
}
@Override
public void close() throws Exception {
if (listenerRegistration != null) {
listenerRegistration.close();
}
}
}