X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fstatistics-manager%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fstatistics%2Fmanager%2FStatisticsProvider.java;h=b7b408211851d0ce09f8fa6fb825ca04a340e755;hb=aae447eb2ce6272e1bfd2517a6493bf2ea40ed7a;hp=073d43ef60df3d944dda0da6512326267be114e5;hpb=72d9ea473806d2ec3c7dd08eb73e87deb15d3ef2;p=controller.git diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsProvider.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsProvider.java index 073d43ef60..d8bea7c63a 100644 --- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsProvider.java +++ b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsProvider.java @@ -1,82 +1,173 @@ +/* + * 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 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 listenerRegistration; - - public void start() { - - NotificationProviderService nps = this.getNotificationService(); - Registration registerNotificationListener = nps.registerNotificationListener(this.updateCommiter); - this.listenerRegistration = registerNotificationListener; - - // Get Group/Meter statistics service instance - groupStatsService = StatisticsManagerActivator.getProviderContext().getRpcService(OpendaylightGroupStatisticsService.class); + + private ListenerRegistration 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 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 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 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()); + } + } + } }