-/**
+/*
* Copyright (c) 2016, 2017 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.openflowplugin.applications.frm.impl;
import com.google.common.annotations.VisibleForTesting;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import javax.annotation.Nonnull;
-import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
-import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
-import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
+import org.opendaylight.mdsal.binding.api.ClusteredDataTreeChangeListener;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.binding.api.DataObjectModification;
+import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
+import org.opendaylight.mdsal.binding.api.DataTreeModification;
+import org.opendaylight.mdsal.binding.api.RpcProviderService;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
+import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
+import org.opendaylight.openflowplugin.api.openflow.mastership.MastershipChangeRegistration;
+import org.opendaylight.openflowplugin.api.openflow.mastership.MastershipChangeService;
+import org.opendaylight.openflowplugin.api.openflow.mastership.MastershipChangeServiceManager;
import org.opendaylight.openflowplugin.applications.frm.FlowNodeReconciliation;
import org.opendaylight.openflowplugin.common.wait.SimpleTaskRetryLooper;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRemoved;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorUpdated;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.OpendaylightInventoryListener;
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.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.frm.reconciliation.service.rev180227.FrmReconciliationService;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
/**
* Manager for clustering service registrations of {@link DeviceMastership}.
*/
-public class DeviceMastershipManager implements ClusteredDataTreeChangeListener<FlowCapableNode>,
- OpendaylightInventoryListener, AutoCloseable{
+public class DeviceMastershipManager implements ClusteredDataTreeChangeListener<FlowCapableNode>, AutoCloseable,
+ MastershipChangeService {
private static final Logger LOG = LoggerFactory.getLogger(DeviceMastershipManager.class);
- private static final InstanceIdentifier<FlowCapableNode> II_TO_FLOW_CAPABLE_NODE
- = InstanceIdentifier.builder(Nodes.class)
- .child(Node.class)
- .augmentation(FlowCapableNode.class)
- .build();
+ private static final InstanceIdentifier<FlowCapableNode> II_TO_FLOW_CAPABLE_NODE = InstanceIdentifier
+ .builder(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class).build();
private final ClusterSingletonServiceProvider clusterSingletonService;
- private final ListenerRegistration<?> notifListenerRegistration;
private final FlowNodeReconciliation reconcliationAgent;
private final DataBroker dataBroker;
- private final ConcurrentHashMap<NodeId, DeviceMastership> deviceMasterships = new ConcurrentHashMap();
+ private final ConcurrentHashMap<NodeId, DeviceMastership> deviceMasterships = new ConcurrentHashMap<>();
private final Object lockObj = new Object();
+ private final RpcProviderService rpcProviderService;
+ private final FrmReconciliationService reconcliationService;
+
private ListenerRegistration<DeviceMastershipManager> listenerRegistration;
private Set<InstanceIdentifier<FlowCapableNode>> activeNodes = Collections.emptySet();
+ private MastershipChangeRegistration mastershipChangeServiceRegistration;
public DeviceMastershipManager(final ClusterSingletonServiceProvider clusterSingletonService,
- final NotificationProviderService notificationService,
final FlowNodeReconciliation reconcliationAgent,
- final DataBroker dataBroker) {
+ final DataBroker dataBroker,
+ final MastershipChangeServiceManager mastershipChangeServiceManager,
+ final RpcProviderService rpcProviderService,
+ final FrmReconciliationService reconciliationService) {
this.clusterSingletonService = clusterSingletonService;
- this.notifListenerRegistration = notificationService.registerNotificationListener(this);
this.reconcliationAgent = reconcliationAgent;
+ this.rpcProviderService = rpcProviderService;
+ this.reconcliationService = reconciliationService;
this.dataBroker = dataBroker;
registerNodeListener();
+ this.mastershipChangeServiceRegistration = mastershipChangeServiceManager.register(this);
}
public boolean isDeviceMastered(final NodeId nodeId) {
}
@Override
- public void onNodeUpdated(NodeUpdated notification) {
- LOG.debug("NodeUpdate notification received : {}", notification);
- DeviceMastership membership = deviceMasterships.computeIfAbsent(notification.getId(), device ->
- new DeviceMastership(notification.getId(), clusterSingletonService, reconcliationAgent));
- membership.registerClusterSingletonService();
- }
-
- @Override
- public void onNodeConnectorUpdated(NodeConnectorUpdated notification) {
- //Not published by plugin
- }
-
- @Override
- public void onNodeRemoved(NodeRemoved notification) {
- LOG.debug("NodeRemoved notification received : {}", notification);
- NodeId nodeId = notification.getNodeRef().getValue().firstKeyOf(Node.class).getId();
- final DeviceMastership mastership = deviceMasterships.remove(nodeId);
- if (mastership != null) {
- mastership.close();
- LOG.info("Unregistered FRM cluster singleton service for service id : {}", nodeId.getValue());
- }
- }
-
- @Override
- public void onNodeConnectorRemoved(NodeConnectorRemoved notification) {
- //Not published by plugin
- }
-
- @Override
- public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<FlowCapableNode>> changes) {
+ public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<FlowCapableNode>> changes) {
Preconditions.checkNotNull(changes, "Changes may not be null!");
for (DataTreeModification<FlowCapableNode> change : changes) {
final InstanceIdentifier<FlowCapableNode> key = change.getRootPath().getRootIdentifier();
final DataObjectModification<FlowCapableNode> mod = change.getRootNode();
- final InstanceIdentifier<FlowCapableNode> nodeIdent =
- key.firstIdentifierOf(FlowCapableNode.class);
+ final InstanceIdentifier<FlowCapableNode> nodeIdent = key.firstIdentifierOf(FlowCapableNode.class);
switch (mod.getModificationType()) {
case DELETE:
}
break;
case SUBTREE_MODIFIED:
- //NO-OP since we do not need to reconcile on Node-updated
+ // NO-OP since we do not need to reconcile on Node-updated
break;
case WRITE:
if (mod.getDataBefore() == null) {
}
}
- public void remove(InstanceIdentifier<FlowCapableNode> identifier, FlowCapableNode del,
- InstanceIdentifier<FlowCapableNode> nodeIdent) {
- if(compareInstanceIdentifierTail(identifier,II_TO_FLOW_CAPABLE_NODE)){
+ public void remove(final InstanceIdentifier<FlowCapableNode> identifier, final FlowCapableNode del,
+ final InstanceIdentifier<FlowCapableNode> nodeIdent) {
+ if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE)) {
if (LOG.isDebugEnabled()) {
- LOG.debug("Node removed: {}",nodeIdent.firstKeyOf(Node.class).getId().getValue());
+ LOG.debug("Node removed: {}", nodeIdent.firstKeyOf(Node.class).getId().getValue());
}
- if ( ! nodeIdent.isWildcarded()) {
- if (activeNodes.contains(nodeIdent)) {
- synchronized (lockObj) {
- if (activeNodes.contains(nodeIdent)) {
- Set<InstanceIdentifier<FlowCapableNode>> set =
- Sets.newHashSet(activeNodes);
- set.remove(nodeIdent);
- activeNodes = Collections.unmodifiableSet(set);
- setNodeOperationalStatus(nodeIdent,false);
- }
+ if (!nodeIdent.isWildcarded() && activeNodes.contains(nodeIdent)) {
+ synchronized (lockObj) {
+ if (activeNodes.contains(nodeIdent)) {
+ Set<InstanceIdentifier<FlowCapableNode>> set = Sets.newHashSet(activeNodes);
+ set.remove(nodeIdent);
+ activeNodes = Collections.unmodifiableSet(set);
+ setNodeOperationalStatus(nodeIdent, false);
}
}
}
-
}
}
- public void add(InstanceIdentifier<FlowCapableNode> identifier, FlowCapableNode add,
- InstanceIdentifier<FlowCapableNode> nodeIdent) {
- if(compareInstanceIdentifierTail(identifier,II_TO_FLOW_CAPABLE_NODE)){
+ public void add(final InstanceIdentifier<FlowCapableNode> identifier, final FlowCapableNode add,
+ final InstanceIdentifier<FlowCapableNode> nodeIdent) {
+ if (compareInstanceIdentifierTail(identifier, II_TO_FLOW_CAPABLE_NODE)) {
if (LOG.isDebugEnabled()) {
- LOG.debug("Node added: {}",nodeIdent.firstKeyOf(Node.class).getId().getValue());
+ LOG.debug("Node added: {}", nodeIdent.firstKeyOf(Node.class).getId().getValue());
}
- if ( ! nodeIdent.isWildcarded()) {
- if (!activeNodes.contains(nodeIdent)) {
- synchronized (lockObj) {
- if (!activeNodes.contains(nodeIdent)) {
- Set<InstanceIdentifier<FlowCapableNode>> set = Sets.newHashSet(activeNodes);
- set.add(nodeIdent);
- activeNodes = Collections.unmodifiableSet(set);
- setNodeOperationalStatus(nodeIdent,true);
- }
+ if (!nodeIdent.isWildcarded() && !activeNodes.contains(nodeIdent)) {
+ synchronized (lockObj) {
+ if (!activeNodes.contains(nodeIdent)) {
+ Set<InstanceIdentifier<FlowCapableNode>> set = Sets.newHashSet(activeNodes);
+ set.add(nodeIdent);
+ activeNodes = Collections.unmodifiableSet(set);
+ setNodeOperationalStatus(nodeIdent, true);
}
}
}
}
@Override
- public void close() {
+ public void close() throws Exception {
if (listenerRegistration != null) {
- try {
- listenerRegistration.close();
- } catch (Exception e) {
- LOG.warn("Error occurred while closing operational Node listener: {}", e.getMessage());
- LOG.debug("Error occurred while closing operational Node listener", e);
- }
+ listenerRegistration.close();
listenerRegistration = null;
}
- if (notifListenerRegistration != null) {
- notifListenerRegistration.close();
+ if (mastershipChangeServiceRegistration != null) {
+ mastershipChangeServiceRegistration.close();
+ mastershipChangeServiceRegistration = null;
}
}
-
- private boolean compareInstanceIdentifierTail(InstanceIdentifier<?> identifier1,
- InstanceIdentifier<?> identifier2) {
- return Iterables.getLast(identifier1.getPathArguments()).equals(Iterables.getLast(identifier2.getPathArguments()));
+ private boolean compareInstanceIdentifierTail(final InstanceIdentifier<?> identifier1,
+ final InstanceIdentifier<?> identifier2) {
+ return Iterables.getLast(identifier1.getPathArguments())
+ .equals(Iterables.getLast(identifier2.getPathArguments()));
}
- private void setNodeOperationalStatus(InstanceIdentifier<FlowCapableNode> nodeIid, boolean status) {
+ private void setNodeOperationalStatus(final InstanceIdentifier<FlowCapableNode> nodeIid, final boolean status) {
NodeId nodeId = nodeIid.firstKeyOf(Node.class).getId();
- if (nodeId != null ) {
- if (deviceMasterships.containsKey(nodeId) ) {
- deviceMasterships.get(nodeId).setDeviceOperationalStatus(status);
- LOG.debug("Operational status of device {} is set to {}",nodeId, status);
- }
+ if (nodeId != null && deviceMasterships.containsKey(nodeId)) {
+ deviceMasterships.get(nodeId).setDeviceOperationalStatus(status);
+ LOG.debug("Operational status of device {} is set to {}", nodeId, status);
}
}
- private void registerNodeListener(){
+
+ @SuppressWarnings("IllegalCatch")
+ private void registerNodeListener() {
final InstanceIdentifier<FlowCapableNode> flowNodeWildCardIdentifier = InstanceIdentifier.create(Nodes.class)
.child(Node.class).augmentation(FlowCapableNode.class);
- final DataTreeIdentifier<FlowCapableNode> treeId =
- new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, flowNodeWildCardIdentifier);
+ final DataTreeIdentifier<FlowCapableNode> treeId = DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL,
+ flowNodeWildCardIdentifier);
try {
SimpleTaskRetryLooper looper = new SimpleTaskRetryLooper(ForwardingRulesManagerImpl.STARTUP_LOOP_TICK,
ForwardingRulesManagerImpl.STARTUP_LOOP_MAX_RETRIES);
- listenerRegistration = looper.loopUntilNoException(() ->
- dataBroker.registerDataTreeChangeListener(treeId, DeviceMastershipManager.this));
+ listenerRegistration = looper.loopUntilNoException(
+ () -> dataBroker.registerDataTreeChangeListener(treeId, DeviceMastershipManager.this));
} catch (Exception e) {
LOG.warn("Data listener registration failed: {}", e.getMessage());
LOG.debug("Data listener registration failed ", e);
throw new IllegalStateException("Node listener registration failed!", e);
}
}
+
+ @Override
+ public void onBecomeOwner(@Nonnull final DeviceInfo deviceInfo) {
+ LOG.debug("Mastership role notification received for device : {}", deviceInfo.getDatapathId());
+ DeviceMastership membership = deviceMasterships.computeIfAbsent(deviceInfo.getNodeId(),
+ device -> new DeviceMastership(deviceInfo.getNodeId()));
+ membership.reconcile();
+ membership.registerReconciliationRpc(rpcProviderService, reconcliationService);
+ }
+
+ @Override
+ public void onLoseOwnership(@Nonnull final DeviceInfo deviceInfo) {
+ final DeviceMastership mastership = deviceMasterships.remove(deviceInfo.getNodeId());
+ if (mastership != null) {
+ mastership.deregisterReconciliationRpc();
+ mastership.close();
+ LOG.debug("Unregistered deviceMastership for device : {}", deviceInfo.getNodeId());
+ }
+ }
}