2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.md.statistics.manager.impl;
11 import java.util.ArrayList;
12 import java.util.Collections;
13 import java.util.List;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
18 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
19 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
20 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
22 import org.opendaylight.controller.md.statistics.manager.StatNodeRegistration;
23 import org.opendaylight.controller.md.statistics.manager.StatPermCollector.StatCapabTypes;
24 import org.opendaylight.controller.md.statistics.manager.StatisticsManager;
25 import org.opendaylight.controller.md.statistics.manager.StatisticsManager.StatDataStoreOperation;
26 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FeatureCapability;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdated;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityFlowStats;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityGroupStats;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityPortStats;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityQueueStats;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityTableStats;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.flow.node.SwitchFeatures;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRemoved;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorUpdated;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
43 import org.opendaylight.yangtools.concepts.ListenerRegistration;
44 import org.opendaylight.yangtools.yang.binding.DataObject;
45 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
46 import org.slf4j.Logger;
47 import org.slf4j.LoggerFactory;
49 import com.google.common.base.Optional;
50 import com.google.common.base.Preconditions;
54 * org.opendaylight.controller.md.statistics.manager.impl
56 * StatNodeRegistrationImpl
57 * {@link FlowCapableNode} Registration Implementation contains two method for registration/unregistration
58 * {@link FeatureCapability} for every connect/disconnect {@link FlowCapableNode}. Process of connection/disconnection
59 * is substituted by listening Operation/DS for add/delete {@link FeatureCapability}.
60 * All statistic capabilities are reading from new Node directly without contacting device or DS.
62 * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
64 * Created: Aug 28, 2014
66 public class StatNodeRegistrationImpl implements StatNodeRegistration, DataChangeListener {
68 private static final Logger LOG = LoggerFactory.getLogger(StatNodeRegistrationImpl.class);
70 private final StatisticsManager manager;
71 private ListenerRegistration<DataChangeListener> listenerRegistration;
72 private ListenerRegistration<?> notifListenerRegistration;
74 public StatNodeRegistrationImpl(final StatisticsManager manager, final DataBroker db,
75 final NotificationProviderService notificationService) {
76 this.manager = Preconditions.checkNotNull(manager, "StatisticManager can not be null!");
77 Preconditions.checkArgument(db != null, "DataBroker can not be null!");
78 Preconditions.checkArgument(notificationService != null, "NotificationProviderService can not be null!");
79 notifListenerRegistration = notificationService.registerNotificationListener(this);
81 final InstanceIdentifier<FlowCapableNode> flowNodeWildCardIdentifier = InstanceIdentifier.create(Nodes.class)
82 .child(Node.class).augmentation(FlowCapableNode.class);
83 listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
84 flowNodeWildCardIdentifier, StatNodeRegistrationImpl.this, DataChangeScope.BASE);
88 public void close() throws Exception {
90 if (notifListenerRegistration != null) {
92 notifListenerRegistration.close();
94 catch (final Exception e) {
95 LOG.warn("Error by stop FlowCapableNode Notification StatNodeRegistration.");
97 notifListenerRegistration = null;
100 if (listenerRegistration != null) {
102 listenerRegistration.close();
103 } catch (final Exception e) {
104 LOG.warn("Error by stop FlowCapableNode DataChange StatListeningCommiter.", e);
106 listenerRegistration = null;
111 public void connectFlowCapableNode(final InstanceIdentifier<SwitchFeatures> keyIdent,
112 final SwitchFeatures data, final InstanceIdentifier<Node> nodeIdent) {
113 Preconditions.checkNotNull(keyIdent, "InstanceIdentifier can not be null!");
114 Preconditions.checkNotNull(data, "SwitchFeatures data for {} can not be null!", keyIdent);
115 Preconditions.checkArgument(( ! keyIdent.isWildcarded()), "InstanceIdentifier is WildCarded!");
117 manager.enqueue(new StatDataStoreOperation() {
119 public void applyOperation(final ReadWriteTransaction tx) {
121 final List<StatCapabTypes> statCapabTypes = new ArrayList<>();
122 Short maxCapTables = Short.valueOf("1");
124 final List<Class<? extends FeatureCapability>> capabilities = data.getCapabilities() != null
125 ? data.getCapabilities() : Collections.<Class<? extends FeatureCapability>> emptyList();
126 for (final Class<? extends FeatureCapability> capability : capabilities) {
127 if (capability == FlowFeatureCapabilityTableStats.class) {
128 statCapabTypes.add(StatCapabTypes.TABLE_STATS);
129 } else if (capability == FlowFeatureCapabilityFlowStats.class) {
130 statCapabTypes.add(StatCapabTypes.FLOW_STATS);
131 } else if (capability == FlowFeatureCapabilityGroupStats.class) {
132 statCapabTypes.add(StatCapabTypes.GROUP_STATS);
133 } else if (capability == FlowFeatureCapabilityPortStats.class) {
134 statCapabTypes.add(StatCapabTypes.PORT_STATS);
135 } else if (capability == FlowFeatureCapabilityQueueStats.class) {
136 statCapabTypes.add(StatCapabTypes.QUEUE_STATS);
139 maxCapTables = data.getMaxTables();
141 final Optional<Short> maxTables = Optional.<Short> of(maxCapTables);
142 manager.connectedNodeRegistration(nodeIdent,
143 Collections.unmodifiableList(statCapabTypes), maxTables.get());
149 public void disconnectFlowCapableNode(final InstanceIdentifier<Node> nodeIdent) {
150 Preconditions.checkArgument(nodeIdent != null, "InstanceIdentifier can not be NULL!");
151 Preconditions.checkArgument(( ! nodeIdent.isWildcarded()),
152 "InstanceIdentifier {} is WildCarded!", nodeIdent);
153 manager.enqueue(new StatDataStoreOperation() {
155 public void applyOperation(final ReadWriteTransaction tx) {
156 manager.disconnectedNodeUnregistration(nodeIdent);
163 public void onNodeConnectorRemoved(final NodeConnectorRemoved notification) {
168 public void onNodeConnectorUpdated(final NodeConnectorUpdated notification) {
173 public void onNodeRemoved(final NodeRemoved notification) {
174 Preconditions.checkNotNull(notification);
175 final NodeRef nodeRef = notification.getNodeRef();
176 final InstanceIdentifier<?> nodeRefIdent = nodeRef.getValue();
177 final InstanceIdentifier<Node> nodeIdent =
178 nodeRefIdent.firstIdentifierOf(Node.class);
179 if (nodeIdent != null) {
180 disconnectFlowCapableNode(nodeIdent);
185 public void onNodeUpdated(final NodeUpdated notification) {
186 Preconditions.checkNotNull(notification);
187 final FlowCapableNodeUpdated newFlowNode =
188 notification.getAugmentation(FlowCapableNodeUpdated.class);
189 if (newFlowNode != null && newFlowNode.getSwitchFeatures() != null) {
190 final NodeRef nodeRef = notification.getNodeRef();
191 final InstanceIdentifier<?> nodeRefIdent = nodeRef.getValue();
192 final InstanceIdentifier<Node> nodeIdent =
193 nodeRefIdent.firstIdentifierOf(Node.class);
195 final InstanceIdentifier<SwitchFeatures> swichFeaturesIdent =
196 nodeIdent.augmentation(FlowCapableNode.class).child(SwitchFeatures.class);
197 final SwitchFeatures switchFeatures = newFlowNode.getSwitchFeatures();
198 connectFlowCapableNode(swichFeaturesIdent, switchFeatures, nodeIdent);
203 public void onDataChanged(final AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changeEvent) {
204 Preconditions.checkNotNull(changeEvent,"Async ChangeEvent can not be null!");
205 /* All DataObjects for create */
206 final Set<InstanceIdentifier<?>> createdData = changeEvent.getCreatedData() != null
207 ? changeEvent.getCreatedData().keySet() : Collections.<InstanceIdentifier<?>> emptySet();
209 for (final InstanceIdentifier<?> entryKey : createdData) {
210 final InstanceIdentifier<Node> nodeIdent = entryKey
211 .firstIdentifierOf(Node.class);
212 if ( ! nodeIdent.isWildcarded()) {
213 final NodeRef nodeRef = new NodeRef(nodeIdent);
214 // FIXME: these calls is a job for handshake or for inventory manager
215 /* check Group and Meter future */
216 manager.getRpcMsgManager().getGroupFeaturesStat(nodeRef);
217 manager.getRpcMsgManager().getMeterFeaturesStat(nodeRef);