-/**
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+/*
+ * Copyright (c) 2014, 2017 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,
package org.opendaylight.openflowplugin.applications.frm.impl;
import com.google.common.base.Preconditions;
-import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
-import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
+import java.util.Collection;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.binding.api.DataObjectModification;
+import org.opendaylight.mdsal.binding.api.DataTreeModification;
import org.opendaylight.openflowplugin.applications.frm.ForwardingRulesCommiter;
import org.opendaylight.openflowplugin.applications.frm.ForwardingRulesManager;
+import org.opendaylight.openflowplugin.applications.frm.NodeConfigurator;
+import org.opendaylight.serviceutils.srm.RecoverableListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import java.util.Collection;
-
/**
- * AbstractChangeListner implemented basic {@link AsyncDataChangeEvent} processing for
- * flow node subDataObject (flows, groups and meters).
- *
- * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
- *
+ * AbstractChangeListner implemented basic {@link org.opendaylight.mdsal.binding.api.DataTreeModification}
+ * processing for flow node subDataObject (flows, groups and meters).
*/
-public abstract class AbstractListeningCommiter <T extends DataObject> implements ForwardingRulesCommiter<T> {
+public abstract class AbstractListeningCommiter<T extends DataObject> implements ForwardingRulesCommiter<T>,
+ RecoverableListener {
private static final Logger LOG = LoggerFactory.getLogger(AbstractListeningCommiter.class);
- protected ForwardingRulesManager provider;
+ final ForwardingRulesManager provider;
+ NodeConfigurator nodeConfigurator;
+ protected final DataBroker dataBroker;
- protected final Class<T> clazz;
-
- public AbstractListeningCommiter (ForwardingRulesManager provider, Class<T> clazz) {
+ public AbstractListeningCommiter(final ForwardingRulesManager provider, final DataBroker dataBroker) {
this.provider = Preconditions.checkNotNull(provider, "ForwardingRulesManager can not be null!");
- this.clazz = Preconditions.checkNotNull(clazz, "Class can not be null!");
+ this.nodeConfigurator = Preconditions.checkNotNull(provider.getNodeConfigurator(),
+ "NodeConfigurator can not be null!");
+ this.dataBroker = Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
+ registerListener();
+ provider.addRecoverableListener(this);
}
@Override
public void onDataTreeChanged(Collection<DataTreeModification<T>> changes) {
Preconditions.checkNotNull(changes, "Changes may not be null!");
+ LOG.trace("Received data changes :{}", changes);
for (DataTreeModification<T> change : changes) {
final InstanceIdentifier<T> key = change.getRootPath().getRootIdentifier();
final DataObjectModification<T> mod = change.getRootNode();
final InstanceIdentifier<FlowCapableNode> nodeIdent =
key.firstIdentifierOf(FlowCapableNode.class);
-
if (preConfigurationCheck(nodeIdent)) {
switch (mod.getModificationType()) {
- case DELETE:
- remove(key, mod.getDataBefore(), nodeIdent);
- break;
- case SUBTREE_MODIFIED:
- update(key, mod.getDataBefore(), mod.getDataAfter(), nodeIdent);
- break;
- case WRITE:
- if (mod.getDataBefore() == null) {
- add(key, mod.getDataAfter(), nodeIdent);
- } else {
+ case DELETE:
+ remove(key, mod.getDataBefore(), nodeIdent);
+ break;
+ case SUBTREE_MODIFIED:
update(key, mod.getDataBefore(), mod.getDataAfter(), nodeIdent);
- }
- break;
- default:
- throw new IllegalArgumentException("Unhandled modification type " + mod.getModificationType());
+ break;
+ case WRITE:
+ if (mod.getDataBefore() == null) {
+ add(key, mod.getDataAfter(), nodeIdent);
+ } else {
+ update(key, mod.getDataBefore(), mod.getDataAfter(), nodeIdent);
+ }
+ break;
+ default:
+ throw new IllegalArgumentException("Unhandled modification type " + mod.getModificationType());
}
- }
- else{
- if (provider.getConfiguration().isStaleMarkingEnabled()) {
+ } else {
+ if (provider.isStaleMarkingEnabled()) {
LOG.info("Stale-Marking ENABLED and switch {} is NOT connected, storing stale entities",
nodeIdent.toString());
// Switch is NOT connected
case WRITE:
break;
default:
- throw new IllegalArgumentException("Unhandled modification type " + mod.getModificationType());
+ throw new
+ IllegalArgumentException("Unhandled modification type " + mod.getModificationType());
}
}
}
/**
* Method return wildCardPath for Listener registration
- * and for identify the correct KeyInstanceIdentifier from data;
+ * and for identify the correct KeyInstanceIdentifier from data.
*/
protected abstract InstanceIdentifier<T> getWildCardPath();
private boolean preConfigurationCheck(final InstanceIdentifier<FlowCapableNode> nodeIdent) {
- Preconditions.checkNotNull(nodeIdent, "FlowCapableNode ident can not be null!");
+ Preconditions.checkNotNull(nodeIdent, "FlowCapableNode identifier can not be null!");
// In single node cluster, node should be in local cache before we get any flow/group/meter
// data change event from data store. So first check should pass.
// In case of 3-node cluster, when shard leader changes, clustering will send blob of data
// should get populated. But to handle a scenario where flow request comes before the blob
// of config/operational data gets processes, it won't find node in local cache and it will
// skip the flow/group/meter operational. This requires an addition check, where it reads
- // node from operational data store and if it's present it calls flowNodeConnected to explictly
+ // node from operational data store and if it's present it calls flowNodeConnected to explicitly
// trigger the event of new node connected.
-
- if(!provider.isNodeOwner(nodeIdent)) { return false; }
-
- if (!provider.isNodeActive(nodeIdent)) {
- if (provider.checkNodeInOperationalDataStore(nodeIdent)) {
- provider.getFlowNodeReconciliation().flowNodeConnected(nodeIdent);
- return true;
- } else {
- return false;
- }
- }
- return true;
+ return provider.isNodeOwner(nodeIdent)
+ && (provider.isNodeActive(nodeIdent) || provider.checkNodeInOperationalDataStore(nodeIdent));
}
}