Disconnect node statistics tracking

[controller.git] / opendaylight / md-sal / statistics-manager / src / main / java / org / opendaylight / controller / md / statistics / manager / NodeStatisticsHandler.java

diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/NodeStatisticsHandler.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/NodeStatisticsHandler.java
index 691b9c0b15f58a9d6a01d05e7146c8a69251e332..6796b4eb8723d02064d31a56bfa479c9412a4246 100644 (file)
--- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/NodeStatisticsHandler.java
+++ b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/NodeStatisticsHandler.java
@@ -9,9 +9,10 @@ package org.opendaylight.controller.md.statistics.manager;
 
 import java.util.Collection;
 import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
 import java.util.concurrent.TimeUnit;
 
-import org.opendaylight.controller.md.statistics.manager.MultipartMessageManager.StatsRequestType;
 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;
@@ -56,9 +57,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
 
 /**
  * This class handles the lifecycle of per-node statistics. It receives data
@@ -69,9 +67,12 @@ import com.google.common.util.concurrent.ListenableFuture;
  */
 public final class NodeStatisticsHandler implements AutoCloseable, FlowCapableContext {
     private static final Logger logger = LoggerFactory.getLogger(NodeStatisticsHandler.class);
+
+    private static final long STATS_COLLECTION_MILLIS = TimeUnit.SECONDS.toMillis(15);
+    private static final long FIRST_COLLECTION_MILLIS = TimeUnit.SECONDS.toMillis(5);
     private static final int NUMBER_OF_WAIT_CYCLES = 2;
 
-    private final MultipartMessageManager msgManager = new MultipartMessageManager();
+    private final MultipartMessageManager msgManager;
     private final InstanceIdentifier<Node> targetNodeIdentifier;
     private final FlowStatsTracker flowStats;
     private final FlowTableStatsTracker flowTableStats;
@@ -84,6 +85,13 @@ public final class NodeStatisticsHandler implements AutoCloseable, FlowCapableCo
     private final DataProviderService dps;
     private final NodeRef targetNodeRef;
     private final NodeKey targetNodeKey;
+    private final TimerTask task = new TimerTask() {
+        @Override
+        public void run() {
+            requestPeriodicStatistics();
+            cleanStaleStatistics();
+        }
+    };
 
     public NodeStatisticsHandler(final DataProviderService dps, final NodeKey nodeKey,
             final OpendaylightFlowStatisticsService flowStatsService,
@@ -97,8 +105,9 @@ public final class NodeStatisticsHandler implements AutoCloseable, FlowCapableCo
         this.targetNodeIdentifier = InstanceIdentifier.builder(Nodes.class).child(Node.class, targetNodeKey).build();
         this.targetNodeRef = new NodeRef(targetNodeIdentifier);
 
-        final long lifetimeNanos = TimeUnit.MILLISECONDS.toNanos(StatisticsProvider.STATS_COLLECTION_MILLIS * NUMBER_OF_WAIT_CYCLES);
+        final long lifetimeNanos = TimeUnit.MILLISECONDS.toNanos(STATS_COLLECTION_MILLIS * NUMBER_OF_WAIT_CYCLES);
 
+        msgManager = new MultipartMessageManager(lifetimeNanos);
         flowStats = new FlowStatsTracker(flowStatsService, this, lifetimeNanos);
         flowTableStats = new FlowTableStatsTracker(flowTableStatsService, this, lifetimeNanos);
         groupDescStats = new GroupDescStatsTracker(groupStatsService, this, lifetimeNanos);
@@ -275,7 +284,7 @@ public final class NodeStatisticsHandler implements AutoCloseable, FlowCapableCo
         queueStats.request();
     }
 
-    public synchronized void start() {
+    public synchronized void start(final Timer timer) {
         flowStats.start(dps);
         groupDescStats.start(dps);
         groupStats.start(dps);
@@ -283,11 +292,16 @@ public final class NodeStatisticsHandler implements AutoCloseable, FlowCapableCo
         meterStats.start(dps);
         queueStats.start(dps);
 
+        timer.schedule(task, (long) (Math.random() * FIRST_COLLECTION_MILLIS), STATS_COLLECTION_MILLIS);
+
+        logger.debug("Statistics handler for node started with base interval {}ms", STATS_COLLECTION_MILLIS);
+
         requestPeriodicStatistics();
     }
 
     @Override
     public synchronized void close() {
+        task.cancel();
         flowStats.close();
         groupDescStats.close();
         groupStats.close();
@@ -299,34 +313,14 @@ public final class NodeStatisticsHandler implements AutoCloseable, FlowCapableCo
     }
 
     @Override
-    public void registerTransaction(final ListenableFuture<TransactionId> future, final StatsRequestType type) {
-        Futures.addCallback(future, new FutureCallback<TransactionId>() {
-            @Override
-            public void onSuccess(TransactionId result) {
-                msgManager.recordExpectedTransaction(result, type);
-                logger.debug("Transaction {} for node {} sent successfully", result, targetNodeKey);
-            }
-
-            @Override
-            public void onFailure(Throwable t) {
-                logger.warn("Failed to send statistics request for node {}", targetNodeKey, t);
-            }
-        });
+    public void registerTransaction(TransactionId id) {
+        msgManager.recordExpectedTransaction(id);
+        logger.debug("Transaction {} for node {} sent successfully", id, targetNodeKey);
     }
 
     @Override
-    public void registerTableTransaction(final ListenableFuture<TransactionId> future, final Short id) {
-        Futures.addCallback(future, new FutureCallback<TransactionId>() {
-            @Override
-            public void onSuccess(TransactionId result) {
-                msgManager.recordExpectedTableTransaction(result, StatsRequestType.AGGR_FLOW, id);
-                logger.debug("Transaction {} for node {} table {} sent successfully", result, targetNodeKey, id);
-            }
-
-            @Override
-            public void onFailure(Throwable t) {
-                logger.warn("Failed to send table statistics request for node {} table {}", targetNodeKey, id, t);
-            }
-        });
+    public void registerTableTransaction(final TransactionId id, final Short table) {
+        msgManager.recordExpectedTableTransaction(id, table);
+        logger.debug("Transaction {} for node {} table {} sent successfully", id, targetNodeKey, table);
     }
 }