Merge "BUG-704 Remove pax from netconf identity-ref test."

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

diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/AbstractStatsTracker.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/AbstractStatsTracker.java
index aa7720cf106844be6e440d0493b7bffbb24f244e..e23ad0acdbe43a2603f458dd3a17b467116acd1b 100644 (file)
--- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/AbstractStatsTracker.java
+++ b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/AbstractStatsTracker.java
@@ -12,53 +12,115 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.concurrent.Future;
 
 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.transaction.rev131103.TransactionAware;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+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.JdkFutureAdapters;
 
 abstract class AbstractStatsTracker<I, K> {
+    private static final Logger logger = LoggerFactory.getLogger(AbstractStatsTracker.class);
+
+    private static final int WAIT_FOR_REQUEST_CYCLE = 2;
+
+    private final FutureCallback<RpcResult<? extends TransactionAware>> callback =
+            new FutureCallback<RpcResult<? extends TransactionAware>>() {
+        @Override
+        public void onSuccess(RpcResult<? extends TransactionAware> result) {
+            if (result.isSuccessful()) {
+                final TransactionId id = result.getResult().getTransactionId();
+                if (id == null) {
+                    final Throwable t = new UnsupportedOperationException("No protocol support");
+                    t.fillInStackTrace();
+                    onFailure(t);
+                } else {
+                    context.registerTransaction(id);
+                }
+            } else {
+                logger.debug("Statistics request failed: {}", result.getErrors());
+
+                final Throwable t = new RPCFailedException("Failed to send statistics request", result.getErrors());
+                t.fillInStackTrace();
+                onFailure(t);
+            }
+        }
+
+        @Override
+        public void onFailure(Throwable t) {
+            logger.debug("Failed to send statistics request", t);
+        }
+    };
+
     private final Map<K, Long> trackedItems = new HashMap<>();
-    private final InstanceIdentifier<Node> nodeIdentifier;
-    private final DataProviderService dps;
-    private final long lifetimeNanos;
-
-    protected AbstractStatsTracker(final InstanceIdentifier<Node> nodeIdentifier, final DataProviderService dps, long lifetimeNanos) {
-        this.nodeIdentifier = Preconditions.checkNotNull(nodeIdentifier);
-        this.dps = Preconditions.checkNotNull(dps);
-        this.lifetimeNanos = lifetimeNanos;
+    private final FlowCapableContext context;
+    private long requestCounter;
+
+    protected AbstractStatsTracker(final FlowCapableContext context) {
+        this.context = Preconditions.checkNotNull(context);
+        this.requestCounter = 0;
     }
 
     protected final InstanceIdentifierBuilder<Node> getNodeIdentifierBuilder() {
-        return InstanceIdentifier.builder(nodeIdentifier);
+        return getNodeIdentifier().builder();
+    }
+
+    protected final NodeRef getNodeRef() {
+        return context.getNodeRef();
+    }
+
+    protected final InstanceIdentifier<Node> getNodeIdentifier() {
+        return context.getNodeIdentifier();
     }
 
-    final synchronized void updateStats(List<I> list) {
-        final Long expiryTime = System.nanoTime() + lifetimeNanos;
-        final DataModificationTransaction trans = dps.beginTransaction();
+    protected final <T extends TransactionAware> void requestHelper(Future<RpcResult<T>> future) {
+        Futures.addCallback(JdkFutureAdapters.listenInPoolThread(future), callback);
+    }
+
+    protected final DataModificationTransaction startTransaction() {
+        return context.startDataModification();
+    }
+
+    public final synchronized void increaseRequestCounter(){
+        this.requestCounter++;
+    }
+    protected abstract void cleanupSingleStat(DataModificationTransaction trans, K item);
+    protected abstract K updateSingleStat(DataModificationTransaction trans, I item);
+    public abstract void request();
+
+    public final synchronized void updateStats(List<I> list) {
+
+        final DataModificationTransaction trans = startTransaction();
 
         for (final I item : list) {
-            trackedItems.put(updateSingleStat(trans, item), expiryTime);
+            trackedItems.put(updateSingleStat(trans, item), requestCounter);
         }
 
         trans.commit();
     }
 
-
-    final synchronized void cleanup(final DataModificationTransaction trans, long now) {
+    /**
+     * Statistics will be cleaned up if not update in last two request cycles.
+     * @param trans
+     */
+    public final synchronized void cleanup(final DataModificationTransaction trans) {
         for (Iterator<Entry<K, Long>> it = trackedItems.entrySet().iterator();it.hasNext();){
             Entry<K, Long> e = it.next();
-            if (now > e.getValue()) {
+            if (requestCounter >= e.getValue()+WAIT_FOR_REQUEST_CYCLE) {
                 cleanupSingleStat(trans, e.getKey());
                 it.remove();
             }
         }
     }
-
-    protected abstract void cleanupSingleStat(DataModificationTransaction trans, K item);
-    protected abstract K updateSingleStat(DataModificationTransaction trans, I item);
 }