+/*
+ * Copyright IBM Corporation, 2013. 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.controller.md.statistics.manager;
-import org.eclipse.xtext.xbase.lib.Exceptions;
+import java.util.Collection;
+import java.util.Timer;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
-import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
+import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
+import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.OpendaylightFlowStatisticsService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.OpendaylightFlowTableStatisticsService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsService;
+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.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.OpendaylightMeterStatisticsService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.OpendaylightPortStatisticsService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.OpendaylightQueueStatisticsService;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.concepts.Registration;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.NotificationListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import com.google.common.base.Preconditions;
+
+/**
+ * Following are main responsibilities of the class:
+ * 1) Invoke statistics request thread to send periodic statistics request to all the
+ * flow capable switch connected to the controller. It sends statistics request for
+ * Group,Meter,Table,Flow,Queue,Aggregate stats.
+ *
+ * 2) Invoke statistics ager thread, to clean up all the stale statistics data from
+ * operational data store.
+ *
+ * @author avishnoi@in.ibm.com
+ *
+ */
public class StatisticsProvider implements AutoCloseable {
+ private static final Logger spLogger = LoggerFactory.getLogger(StatisticsProvider.class);
- public final static Logger spLogger = LoggerFactory.getLogger(StatisticsProvider.class);
-
- private DataProviderService dps;
+ private final ConcurrentMap<NodeId, NodeStatisticsHandler> handlers = new ConcurrentHashMap<>();
+ private final Timer timer = new Timer("statistics-manager", true);
+ private final DataProviderService dps;
- private NotificationProviderService nps;
-
private OpendaylightGroupStatisticsService groupStatsService;
-
+
private OpendaylightMeterStatisticsService meterStatsService;
+
+ private OpendaylightFlowStatisticsService flowStatsService;
+
+ private OpendaylightPortStatisticsService portStatsService;
+
+ private OpendaylightFlowTableStatisticsService flowTableStatsService;
+
+ private OpendaylightQueueStatisticsService queueStatsService;
- public DataProviderService getDataService() {
- return this.dps;
- }
-
- public void setDataService(final DataProviderService dataService) {
- this.dps = dataService;
- }
-
- public NotificationProviderService getNotificationService() {
- return this.nps;
- }
-
- public void setNotificationService(final NotificationProviderService notificationService) {
- this.nps = notificationService;
+ private final StatisticsRequestScheduler srScheduler;
+
+ public StatisticsProvider(final DataProviderService dataService) {
+ this.dps = Preconditions.checkNotNull(dataService);
+ this.srScheduler = new StatisticsRequestScheduler();
}
- private final StatisticsUpdateCommiter updateCommiter = new StatisticsUpdateCommiter(StatisticsProvider.this);
-
+ private final StatisticsListener updateCommiter = new StatisticsListener(StatisticsProvider.this);
+
private Registration<NotificationListener> listenerRegistration;
-
- public void start() {
-
- NotificationProviderService nps = this.getNotificationService();
- Registration<NotificationListener> registerNotificationListener = nps.registerNotificationListener(this.updateCommiter);
- this.listenerRegistration = registerNotificationListener;
-
- // Get Group/Meter statistics service instance
- groupStatsService = StatisticsManagerActivator.getProviderContext().getRpcService(OpendaylightGroupStatisticsService.class);
+
+ private ListenerRegistration<DataChangeListener> flowCapableTrackerRegistration;
+
+ public void start(final NotificationProviderService nps, final RpcConsumerRegistry rpcRegistry) {
+
+ // Get Group/Meter statistics service instances
+ groupStatsService = rpcRegistry.getRpcService(OpendaylightGroupStatisticsService.class);
+ meterStatsService = rpcRegistry.getRpcService(OpendaylightMeterStatisticsService.class);
+ flowStatsService = rpcRegistry.getRpcService(OpendaylightFlowStatisticsService.class);
+ portStatsService = rpcRegistry.getRpcService(OpendaylightPortStatisticsService.class);
+ flowTableStatsService = rpcRegistry.getRpcService(OpendaylightFlowTableStatisticsService.class);
+ queueStatsService = rpcRegistry.getRpcService(OpendaylightQueueStatisticsService.class);
+ this.srScheduler.start();
- meterStatsService = StatisticsManagerActivator.getProviderContext().getRpcService(OpendaylightMeterStatisticsService.class);
+ // Start receiving notifications
+ this.listenerRegistration = nps.registerNotificationListener(this.updateCommiter);
+
+ // Register for switch connect/disconnect notifications
+ final InstanceIdentifier<FlowCapableNode> fcnId = InstanceIdentifier.builder(Nodes.class)
+ .child(Node.class).augmentation(FlowCapableNode.class).build();
+ spLogger.debug("Registering FlowCapable tracker to {}", fcnId);
+ this.flowCapableTrackerRegistration = dps.registerDataChangeListener(fcnId,
+ new FlowCapableTracker(this, fcnId));
spLogger.info("Statistics Provider started.");
}
-
- protected DataModificationTransaction startChange() {
-
- DataProviderService dps = this.getDataService();
- return dps.beginTransaction();
+
+ /**
+ * Get the handler for a particular node.
+ *
+ * @param nodeId source node
+ * @return Node statistics handler for that node. Null if the statistics should
+ * not handled.
+ */
+ public final NodeStatisticsHandler getStatisticsHandler(final NodeId nodeId) {
+ Preconditions.checkNotNull(nodeId);
+ NodeStatisticsHandler handler = handlers.get(nodeId);
+ if (handler == null) {
+ spLogger.info("Attempted to get non-existing handler for {}", nodeId);
+ }
+ return handler;
}
-
+
@Override
- public void close(){
-
+ public void close() {
try {
- spLogger.info("Statistics Provider stopped.");
if (this.listenerRegistration != null) {
-
this.listenerRegistration.close();
-
+ this.listenerRegistration = null;
+ }
+ if (this.flowCapableTrackerRegistration != null) {
+ this.flowCapableTrackerRegistration.close();
+ this.flowCapableTrackerRegistration = null;
+ }
+ timer.cancel();
+ } catch (Exception e) {
+ spLogger.warn("Failed to stop Statistics Provider completely", e);
+ } finally {
+ spLogger.info("Statistics Provider stopped.");
+ }
+ }
+
+ void startNodeHandlers(final Collection<NodeKey> addedNodes) {
+ for (NodeKey key : addedNodes) {
+ if (handlers.containsKey(key.getId())) {
+ spLogger.warn("Attempted to start already-existing handler for {}, very strange", key.getId());
+ continue;
}
- } catch (Throwable e) {
- throw Exceptions.sneakyThrow(e);
- }
+ final NodeStatisticsHandler h = new NodeStatisticsHandler(dps, key,
+ flowStatsService, flowTableStatsService, groupStatsService,
+ meterStatsService, portStatsService, queueStatsService,srScheduler);
+ final NodeStatisticsHandler old = handlers.putIfAbsent(key.getId(), h);
+ if (old == null) {
+ spLogger.debug("Started node handler for {}", key.getId());
+ h.start(timer);
+ } else {
+ spLogger.debug("Prevented race on handler for {}", key.getId());
+ }
+ }
}
+ void stopNodeHandlers(final Collection<NodeKey> removedNodes) {
+ for (NodeKey key : removedNodes) {
+ final NodeStatisticsHandler s = handlers.remove(key.getId());
+ if (s != null) {
+ spLogger.debug("Stopping node handler for {}", key.getId());
+ s.close();
+ } else {
+ spLogger.warn("Attempted to remove non-existing handler for {}, very strange", key.getId());
+ }
+ }
+ }
}
Code Review / controller.git / blobdiff