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;
15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
16 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
17 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
20 import org.opendaylight.controller.md.statistics.manager.StatNodeRegistration;
21 import org.opendaylight.controller.md.statistics.manager.StatPermCollector.StatCapabTypes;
22 import org.opendaylight.controller.md.statistics.manager.StatisticsManager;
23 import org.opendaylight.controller.md.statistics.manager.StatisticsManager.StatDataStoreOperation;
24 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FeatureCapability;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdated;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityFlowStats;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityGroupStats;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityPortStats;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityQueueStats;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityTableStats;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.flow.node.SwitchFeatures;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRemoved;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorUpdated;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterFeatures;
41 import org.opendaylight.yangtools.concepts.ListenerRegistration;
42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
46 import com.google.common.base.Optional;
47 import com.google.common.base.Preconditions;
51 * org.opendaylight.controller.md.statistics.manager.impl
53 * StatNodeRegistrationImpl
54 * {@link FlowCapableNode} Registration Implementation contains two method for registration/unregistration
55 * {@link FeatureCapability} for every connect/disconnect {@link FlowCapableNode}. Process of connection/disconnection
56 * is substituted by listening Operation/DS for add/delete {@link FeatureCapability}.
57 * All statistic capabilities are reading from new Node directly without contacting device or DS.
59 * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
61 * Created: Aug 28, 2014
63 public class StatNodeRegistrationImpl implements StatNodeRegistration {
65 private static final Logger LOG = LoggerFactory.getLogger(StatNodeRegistrationImpl.class);
67 private final StatisticsManager manager;
68 private ListenerRegistration<DataChangeListener> listenerRegistration;
69 private ListenerRegistration<?> notifListenerRegistration;
71 public StatNodeRegistrationImpl(final StatisticsManager manager, final DataBroker db,
72 final NotificationProviderService notificationService) {
73 this.manager = Preconditions.checkNotNull(manager, "StatisticManager can not be null!");
74 Preconditions.checkArgument(db != null, "DataBroker can not be null!");
75 Preconditions.checkArgument(notificationService != null, "NotificationProviderService can not be null!");
76 notifListenerRegistration = notificationService.registerNotificationListener(this);
80 public void close() throws Exception {
82 if (notifListenerRegistration != null) {
84 notifListenerRegistration.close();
86 catch (final Exception e) {
87 LOG.warn("Error by stop FlowCapableNode Notification StatNodeRegistration.");
89 notifListenerRegistration = null;
92 if (listenerRegistration != null) {
94 listenerRegistration.close();
95 } catch (final Exception e) {
96 LOG.warn("Error by stop FlowCapableNode DataChange StatListeningCommiter.", e);
98 listenerRegistration = null;
103 public void connectFlowCapableNode(final InstanceIdentifier<SwitchFeatures> keyIdent,
104 final SwitchFeatures data, final InstanceIdentifier<Node> nodeIdent) {
105 Preconditions.checkNotNull(keyIdent, "InstanceIdentifier can not be null!");
106 Preconditions.checkNotNull(data, "SwitchFeatures data for {} can not be null!", keyIdent);
107 Preconditions.checkArgument(( ! keyIdent.isWildcarded()), "InstanceIdentifier is WildCarded!");
109 manager.enqueue(new StatDataStoreOperation() {
111 public void applyOperation(final ReadWriteTransaction tx) {
113 final List<StatCapabTypes> statCapabTypes = new ArrayList<>();
114 Short maxCapTables = Short.valueOf("1");
116 final List<Class<? extends FeatureCapability>> capabilities = data.getCapabilities() != null
117 ? data.getCapabilities() : Collections.<Class<? extends FeatureCapability>> emptyList();
118 for (final Class<? extends FeatureCapability> capability : capabilities) {
119 if (capability == FlowFeatureCapabilityTableStats.class) {
120 statCapabTypes.add(StatCapabTypes.TABLE_STATS);
121 } else if (capability == FlowFeatureCapabilityFlowStats.class) {
122 statCapabTypes.add(StatCapabTypes.FLOW_STATS);
123 } else if (capability == FlowFeatureCapabilityGroupStats.class) {
124 statCapabTypes.add(StatCapabTypes.GROUP_STATS);
125 } else if (capability == FlowFeatureCapabilityPortStats.class) {
126 statCapabTypes.add(StatCapabTypes.PORT_STATS);
127 } else if (capability == FlowFeatureCapabilityQueueStats.class) {
128 statCapabTypes.add(StatCapabTypes.QUEUE_STATS);
131 maxCapTables = data.getMaxTables();
133 final Optional<Short> maxTables = Optional.<Short> of(maxCapTables);
135 /* Meters management */
136 final InstanceIdentifier<NodeMeterFeatures> meterFeaturesIdent = nodeIdent.augmentation(NodeMeterFeatures.class);
139 Optional<NodeMeterFeatures> meterFeatures = Optional.absent();
141 meterFeatures = tx.read(LogicalDatastoreType.OPERATIONAL, meterFeaturesIdent).checkedGet();
143 catch (final ReadFailedException e) {
144 LOG.warn("Read NodeMeterFeatures {} fail!", meterFeaturesIdent, e);
146 if (meterFeatures.isPresent()) {
147 statCapabTypes.add(StatCapabTypes.METER_STATS);
149 manager.connectedNodeRegistration(nodeIdent,
150 Collections.unmodifiableList(statCapabTypes), maxTables.get());
156 public void disconnectFlowCapableNode(final InstanceIdentifier<Node> nodeIdent) {
157 Preconditions.checkArgument(nodeIdent != null, "InstanceIdentifier can not be NULL!");
158 Preconditions.checkArgument(( ! nodeIdent.isWildcarded()),
159 "InstanceIdentifier {} is WildCarded!", nodeIdent);
160 manager.enqueue(new StatDataStoreOperation() {
162 public void applyOperation(final ReadWriteTransaction tx) {
163 manager.disconnectedNodeUnregistration(nodeIdent);
170 public void onNodeConnectorRemoved(final NodeConnectorRemoved notification) {
175 public void onNodeConnectorUpdated(final NodeConnectorUpdated notification) {
180 public void onNodeRemoved(final NodeRemoved notification) {
181 final NodeRef nodeRef = notification.getNodeRef();
182 final InstanceIdentifier<?> nodeRefIdent = nodeRef.getValue();
183 final InstanceIdentifier<Node> nodeIdent =
184 nodeRefIdent.firstIdentifierOf(Node.class);
185 if (nodeIdent != null) {
186 disconnectFlowCapableNode(nodeIdent);
191 public void onNodeUpdated(final NodeUpdated notification) {
192 final FlowCapableNodeUpdated newFlowNode =
193 notification.getAugmentation(FlowCapableNodeUpdated.class);
194 if (newFlowNode != null && newFlowNode.getSwitchFeatures() != null) {
195 final NodeRef nodeRef = notification.getNodeRef();
196 final InstanceIdentifier<?> nodeRefIdent = nodeRef.getValue();
197 final InstanceIdentifier<Node> nodeIdent =
198 nodeRefIdent.firstIdentifierOf(Node.class);
200 final InstanceIdentifier<SwitchFeatures> swichFeaturesIdent =
201 nodeIdent.augmentation(FlowCapableNode.class).child(SwitchFeatures.class);
202 final SwitchFeatures switchFeatures = newFlowNode.getSwitchFeatures();
203 connectFlowCapableNode(swichFeaturesIdent, switchFeatures, nodeIdent);