Merge "Fixed for bug 1168 : Issue while update subnet"
[controller.git] / opendaylight / md-sal / statistics-manager / src / main / java / org / opendaylight / controller / md / statistics / manager / StatisticsProvider.java
index 9ab1e9c5d1a453a4fc24746a96d2862e5db620a9..8c9b60e43f0b7dc373b3365039ab950f86df6bfc 100644 (file)
@@ -9,41 +9,25 @@ package org.opendaylight.controller.md.statistics.manager;
 
 import java.util.Collection;
 import java.util.Timer;
-import java.util.TimerTask;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.TimeUnit;
 
 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
 import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
-import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
-import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
 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.inventory.rev130819.FlowCapableNodeConnector;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
 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.flow.types.port.rev130925.queues.Queue;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.queue.rev130925.QueueId;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
 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.node.NodeConnector;
 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.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.NotificationListener;
 import org.slf4j.Logger;
@@ -64,8 +48,6 @@ import com.google.common.base.Preconditions;
  *
  */
 public class StatisticsProvider implements AutoCloseable {
-    public static final long STATS_COLLECTION_MILLIS = TimeUnit.SECONDS.toMillis(15);
-
     private static final Logger spLogger = LoggerFactory.getLogger(StatisticsProvider.class);
 
     private final ConcurrentMap<NodeId, NodeStatisticsHandler> handlers = new ConcurrentHashMap<>();
@@ -84,19 +66,20 @@ public class StatisticsProvider implements AutoCloseable {
 
     private OpendaylightQueueStatisticsService queueStatsService;
 
-    private StatisticsUpdateHandler statsUpdateHandler;
+    private final StatisticsRequestScheduler srScheduler;
 
     public StatisticsProvider(final DataProviderService dataService) {
         this.dps = Preconditions.checkNotNull(dataService);
+        this.srScheduler = new StatisticsRequestScheduler();
     }
 
     private final StatisticsListener updateCommiter = new StatisticsListener(StatisticsProvider.this);
 
-    private Registration<NotificationListener> listenerRegistration;
+    private ListenerRegistration<NotificationListener> listenerRegistration;
 
     private ListenerRegistration<DataChangeListener> flowCapableTrackerRegistration;
 
-    public void start(final DataBrokerService dbs, final NotificationProviderService nps, final RpcConsumerRegistry rpcRegistry) {
+    public void start(final NotificationProviderService nps, final RpcConsumerRegistry rpcRegistry) {
 
         // Get Group/Meter statistics service instances
         groupStatsService = rpcRegistry.getRpcService(OpendaylightGroupStatisticsService.class);
@@ -105,6 +88,7 @@ public class StatisticsProvider implements AutoCloseable {
         portStatsService = rpcRegistry.getRpcService(OpendaylightPortStatisticsService.class);
         flowTableStatsService = rpcRegistry.getRpcService(OpendaylightFlowTableStatisticsService.class);
         queueStatsService = rpcRegistry.getRpcService(OpendaylightQueueStatisticsService.class);
+        this.srScheduler.start();
 
         // Start receiving notifications
         this.listenerRegistration = nps.registerNotificationListener(this.updateCommiter);
@@ -113,99 +97,12 @@ public class StatisticsProvider implements AutoCloseable {
         final InstanceIdentifier<FlowCapableNode> fcnId = InstanceIdentifier.builder(Nodes.class)
                 .child(Node.class).augmentation(FlowCapableNode.class).build();
         spLogger.debug("Registering FlowCapable tracker to {}", fcnId);
-        this.flowCapableTrackerRegistration = dbs.registerDataChangeListener(fcnId,
+        this.flowCapableTrackerRegistration = dps.registerDataChangeListener(fcnId,
                 new FlowCapableTracker(this, fcnId));
 
-        statsUpdateHandler = new StatisticsUpdateHandler(StatisticsProvider.this);
-        registerDataStoreUpdateListener(dbs);
-
-        timer.schedule(new TimerTask() {
-            @Override
-            public void run() {
-                try {
-                    // Send stats requests
-                    for (NodeStatisticsHandler h : handlers.values()) {
-                        h.requestPeriodicStatistics();
-                    }
-
-                    // Perform cleanup
-                    for(NodeStatisticsHandler nodeStatisticsAger : handlers.values()){
-                        nodeStatisticsAger.cleanStaleStatistics();
-                    }
-
-                } catch (RuntimeException e) {
-                    spLogger.warn("Failed to request statistics", e);
-                }
-            }
-        }, 0, STATS_COLLECTION_MILLIS);
-
-        spLogger.debug("Statistics timer task with timer interval : {}ms", STATS_COLLECTION_MILLIS);
         spLogger.info("Statistics Provider started.");
     }
 
-    private void registerDataStoreUpdateListener(DataBrokerService dbs) {
-        // FIXME: the below should be broken out into StatisticsUpdateHandler
-
-        //Register for flow updates
-        InstanceIdentifier<? extends DataObject> pathFlow = InstanceIdentifier.builder(Nodes.class).child(Node.class)
-                                                                    .augmentation(FlowCapableNode.class)
-                                                                    .child(Table.class)
-                                                                    .child(Flow.class).toInstance();
-        dbs.registerDataChangeListener(pathFlow, statsUpdateHandler);
-
-        //Register for meter updates
-        InstanceIdentifier<? extends DataObject> pathMeter = InstanceIdentifier.builder(Nodes.class).child(Node.class)
-                                                    .augmentation(FlowCapableNode.class)
-                                                    .child(Meter.class).toInstance();
-
-        dbs.registerDataChangeListener(pathMeter, statsUpdateHandler);
-
-        //Register for group updates
-        InstanceIdentifier<? extends DataObject> pathGroup = InstanceIdentifier.builder(Nodes.class).child(Node.class)
-                                                    .augmentation(FlowCapableNode.class)
-                                                    .child(Group.class).toInstance();
-        dbs.registerDataChangeListener(pathGroup, statsUpdateHandler);
-
-        //Register for queue updates
-        InstanceIdentifier<? extends DataObject> pathQueue = InstanceIdentifier.builder(Nodes.class).child(Node.class)
-                                                                    .child(NodeConnector.class)
-                                                                    .augmentation(FlowCapableNodeConnector.class)
-                                                                    .child(Queue.class).toInstance();
-        dbs.registerDataChangeListener(pathQueue, statsUpdateHandler);
-    }
-
-    protected DataModificationTransaction startChange() {
-        return dps.beginTransaction();
-    }
-
-    public void sendFlowStatsFromTableRequest(NodeKey node, Flow flow) throws InterruptedException, ExecutionException {
-        final NodeStatisticsHandler h = getStatisticsHandler(node.getId());
-        if (h != null) {
-            h.sendFlowStatsFromTableRequest(flow);
-        }
-    }
-
-    public void sendGroupDescriptionRequest(NodeKey node) throws InterruptedException, ExecutionException{
-        final NodeStatisticsHandler h = getStatisticsHandler(node.getId());
-        if (h != null) {
-            h.sendGroupDescriptionRequest();
-        }
-    }
-
-    public void sendMeterConfigStatisticsRequest(NodeKey node) throws InterruptedException, ExecutionException {
-        final NodeStatisticsHandler h = getStatisticsHandler(node.getId());
-        if (h != null) {
-            h.sendMeterConfigStatisticsRequest();
-        }
-    }
-
-    public void sendQueueStatsFromGivenNodeConnector(NodeKey node,NodeConnectorId nodeConnectorId, QueueId queueId) throws InterruptedException, ExecutionException {
-        final NodeStatisticsHandler h = getStatisticsHandler(node.getId());
-        if (h != null) {
-            h.sendQueueStatsFromGivenNodeConnector(nodeConnectorId, queueId);
-        }
-    }
-
     /**
      * Get the handler for a particular node.
      *
@@ -250,11 +147,11 @@ public class StatisticsProvider implements AutoCloseable {
 
             final NodeStatisticsHandler h = new NodeStatisticsHandler(dps, key,
                     flowStatsService, flowTableStatsService, groupStatsService,
-                    meterStatsService, portStatsService, queueStatsService);
+                    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();
+                h.start(timer);
             } else {
                 spLogger.debug("Prevented race on handler for {}", key.getId());
             }