Merge "Bug 5596 Cleaning part 2"
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / statistics / StatisticsContextImpl.java
index 64d50ebb9439e52d92d83b4eec0fad99011f1800..c00a45fbca5523a7e684db47a45c6fe85e83f409 100644 (file)
@@ -17,6 +17,17 @@ import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.SettableFuture;
 import io.netty.util.Timeout;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Optional;
+import java.util.concurrent.ExecutionException;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.GuardedBy;
+import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
@@ -25,26 +36,17 @@ import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
 import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleConductor;
 import org.opendaylight.openflowplugin.api.openflow.rpc.listener.ItemLifecycleListener;
 import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
+import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsManager;
 import org.opendaylight.openflowplugin.impl.rpc.AbstractRequestContext;
 import org.opendaylight.openflowplugin.impl.rpc.listener.ItemLifecycleListenerImpl;
 import org.opendaylight.openflowplugin.impl.services.RequestContextUtil;
 import org.opendaylight.openflowplugin.impl.statistics.services.dedicated.StatisticsGatheringOnTheFlyService;
 import org.opendaylight.openflowplugin.impl.statistics.services.dedicated.StatisticsGatheringService;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.annotation.CheckForNull;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.annotation.concurrent.GuardedBy;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Optional;
-
 class StatisticsContextImpl implements StatisticsContext {
 
     private static final Logger LOG = LoggerFactory.getLogger(StatisticsContextImpl.class);
@@ -57,24 +59,36 @@ class StatisticsContextImpl implements StatisticsContext {
     private final ListenableFuture<Boolean> emptyFuture;
     private final boolean shuttingDownStatisticsPolling;
     private final Object COLLECTION_STAT_TYPE_LOCK = new Object();
+    private final SinglePurposeMultipartReplyTranslator multipartReplyTranslator;
     @GuardedBy("COLLECTION_STAT_TYPE_LOCK")
     private List<MultipartType> collectingStatType;
 
     private StatisticsGatheringService statisticsGatheringService;
     private StatisticsGatheringOnTheFlyService statisticsGatheringOnTheFlyService;
     private Timeout pollTimeout;
+    private final DeviceInfo deviceInfo;
+    private final StatisticsManager myManager;
 
     private volatile boolean schedulingEnabled;
+    private volatile CONTEXT_STATE state;
 
-    StatisticsContextImpl(@CheckForNull final DeviceInfo deviceInfo, final boolean shuttingDownStatisticsPolling, final LifecycleConductor lifecycleConductor) {
+    StatisticsContextImpl(@Nonnull final DeviceInfo deviceInfo,
+                          @Nonnull final boolean shuttingDownStatisticsPolling,
+                          @Nonnull final LifecycleConductor lifecycleConductor,
+                         @Nonnull final ConvertorExecutor convertorExecutor,
+                         @Nonnull final StatisticsManager myManager) {
         this.deviceContext = Preconditions.checkNotNull(lifecycleConductor.getDeviceContext(deviceInfo));
         this.devState = Preconditions.checkNotNull(deviceContext.getDeviceState());
         this.shuttingDownStatisticsPolling = shuttingDownStatisticsPolling;
+        multipartReplyTranslator = new SinglePurposeMultipartReplyTranslator(convertorExecutor);
         emptyFuture = Futures.immediateFuture(false);
         statisticsGatheringService = new StatisticsGatheringService(this, deviceContext);
-        statisticsGatheringOnTheFlyService = new StatisticsGatheringOnTheFlyService(this, deviceContext);
+        statisticsGatheringOnTheFlyService = new StatisticsGatheringOnTheFlyService(this, deviceContext, convertorExecutor);
         itemLifeCycleListener = new ItemLifecycleListenerImpl(deviceContext);
         statListForCollectingInitialization();
+        setState(CONTEXT_STATE.INITIALIZATION);
+        this.deviceInfo = deviceInfo;
+        this.myManager = myManager;
     }
 
     @Override
@@ -118,7 +132,7 @@ class StatisticsContextImpl implements StatisticsContext {
 
     private ListenableFuture<Boolean> gatherDynamicData(final boolean initial) {
         if (shuttingDownStatisticsPolling) {
-            LOG.debug("Statistics for device {} is not enabled.", deviceContext.getDeviceInfo().getNodeId());
+            LOG.debug("Statistics for device {} is not enabled.", getDeviceInfo().getNodeId().getValue());
             return Futures.immediateFuture(Boolean.TRUE);
         }
         final ListenableFuture<Boolean> errorResultFuture = deviceConnectionCheck();
@@ -188,13 +202,20 @@ class StatisticsContextImpl implements StatisticsContext {
 
     @Override
     public void close() {
-        schedulingEnabled = false;
-        for (final Iterator<RequestContext<?>> iterator = Iterators.consumingIterator(requestContexts.iterator());
-                iterator.hasNext();) {
-            RequestContextUtil.closeRequestContextWithRpcError(iterator.next(), CONNECTION_CLOSED);
-        }
-        if (null != pollTimeout && !pollTimeout.isExpired()) {
-            pollTimeout.cancel();
+        if (CONTEXT_STATE.TERMINATION.equals(getState())) {
+            if (LOG.isDebugEnabled()) {
+                LOG.debug("Statistics context is already in state TERMINATION.");
+            }
+        } else {
+            setState(CONTEXT_STATE.TERMINATION);
+            schedulingEnabled = false;
+            for (final Iterator<RequestContext<?>> iterator = Iterators.consumingIterator(requestContexts.iterator());
+                 iterator.hasNext(); ) {
+                RequestContextUtil.closeRequestContextWithRpcError(iterator.next(), CONNECTION_CLOSED);
+            }
+            if (null != pollTimeout && !pollTimeout.isExpired()) {
+                pollTimeout.cancel();
+            }
         }
     }
 
@@ -221,19 +242,19 @@ class StatisticsContextImpl implements StatisticsContext {
     private void statChainFuture(final Iterator<MultipartType> iterator, final SettableFuture<Boolean> resultFuture, final boolean initial) {
         if (ConnectionContext.CONNECTION_STATE.RIP.equals(deviceContext.getPrimaryConnectionContext().getConnectionState())) {
             final String errMsg = String.format("Device connection is closed for Node : %s.",
-                    deviceContext.getDeviceInfo().getNodeId());
+                    getDeviceInfo().getNodeId());
             LOG.debug(errMsg);
             resultFuture.setException(new IllegalStateException(errMsg));
             return;
         }
         if ( ! iterator.hasNext()) {
             resultFuture.set(Boolean.TRUE);
-            LOG.debug("Stats collection successfully finished for node {}", deviceContext.getDeviceInfo().getNodeId());
+            LOG.debug("Stats collection successfully finished for node {}", getDeviceInfo().getNodeId());
             return;
         }
 
         final MultipartType nextType = iterator.next();
-        LOG.debug("Stats iterating to next type for node {} of type {}", deviceContext.getDeviceInfo().getNodeId(), nextType);
+        LOG.debug("Stats iterating to next type for node {} of type {}", getDeviceInfo().getNodeId(), nextType);
 
         final ListenableFuture<Boolean> deviceStatisticsCollectionFuture = chooseStat(nextType, initial);
         Futures.addCallback(deviceStatisticsCollectionFuture, new FutureCallback<Boolean>() {
@@ -277,81 +298,81 @@ class StatisticsContextImpl implements StatisticsContext {
     private ListenableFuture<Boolean> collectFlowStatistics(final MultipartType multipartType, final boolean initial) {
         return devState.isFlowStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
                 statisticsGatheringOnTheFlyService,
-                deviceContext.getDeviceInfo(),
+                getDeviceInfo(),
                 /*MultipartType.OFPMPFLOW*/ multipartType,
                 deviceContext,
                 deviceContext,
-                initial) : emptyFuture;
+                initial, multipartReplyTranslator) : emptyFuture;
     }
 
     private ListenableFuture<Boolean> collectTableStatistics(final MultipartType multipartType) {
         return devState.isTableStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
                 statisticsGatheringService,
-                deviceContext.getDeviceInfo(),
+                getDeviceInfo(),
                 /*MultipartType.OFPMPTABLE*/ multipartType,
                 deviceContext,
                 deviceContext,
-                false) : emptyFuture;
+                false, multipartReplyTranslator) : emptyFuture;
     }
 
     private ListenableFuture<Boolean> collectPortStatistics(final MultipartType multipartType) {
         return devState.isPortStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
                 statisticsGatheringService,
-                deviceContext.getDeviceInfo(),
+                getDeviceInfo(),
                 /*MultipartType.OFPMPPORTSTATS*/ multipartType,
                 deviceContext,
                 deviceContext,
-                false) : emptyFuture;
+                false, multipartReplyTranslator) : emptyFuture;
     }
 
     private ListenableFuture<Boolean> collectQueueStatistics(final MultipartType multipartType) {
         return !devState.isQueueStatisticsAvailable() ? emptyFuture : StatisticsGatheringUtils.gatherStatistics(
                 statisticsGatheringService,
-                deviceContext.getDeviceInfo(),
+                getDeviceInfo(),
                 /*MultipartType.OFPMPQUEUE*/ multipartType,
                 deviceContext,
                 deviceContext,
-                false);
+                false, multipartReplyTranslator);
     }
 
     private ListenableFuture<Boolean> collectGroupDescStatistics(final MultipartType multipartType) {
         return devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(
                 statisticsGatheringService,
-                deviceContext.getDeviceInfo(),
+                getDeviceInfo(),
                 /*MultipartType.OFPMPGROUPDESC*/ multipartType,
                 deviceContext,
                 deviceContext,
-                false) : emptyFuture;
+                false, multipartReplyTranslator) : emptyFuture;
     }
 
     private ListenableFuture<Boolean> collectGroupStatistics(final MultipartType multipartType) {
         return devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(
                 statisticsGatheringService,
-                deviceContext.getDeviceInfo(),
+                getDeviceInfo(),
                 /*MultipartType.OFPMPGROUP*/ multipartType,
                 deviceContext,
                 deviceContext,
-                false) : emptyFuture;
+                false, multipartReplyTranslator) : emptyFuture;
     }
 
     private ListenableFuture<Boolean> collectMeterConfigStatistics(final MultipartType multipartType) {
         return devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(
                 statisticsGatheringService,
-                deviceContext.getDeviceInfo(),
+                getDeviceInfo(),
                 /*MultipartType.OFPMPMETERCONFIG*/ multipartType,
                 deviceContext,
                 deviceContext,
-                false) : emptyFuture;
+                false, multipartReplyTranslator) : emptyFuture;
     }
 
     private ListenableFuture<Boolean> collectMeterStatistics(final MultipartType multipartType) {
         return devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(
                 statisticsGatheringService,
-                deviceContext.getDeviceInfo(),
+                getDeviceInfo(),
                 /*MultipartType.OFPMPMETER*/ multipartType,
                 deviceContext,
                 deviceContext,
-                false) : emptyFuture;
+                false, multipartReplyTranslator) : emptyFuture;
     }
 
     @VisibleForTesting
@@ -370,4 +391,38 @@ class StatisticsContextImpl implements StatisticsContext {
         return itemLifeCycleListener;
     }
 
+    @Override
+    public CONTEXT_STATE getState() {
+        return this.state;
+    }
+
+    @Override
+    public void setState(CONTEXT_STATE state) {
+        this.state = state;
+    }
+
+    @Override
+    public ServiceGroupIdentifier getServiceIdentifier() {
+        return this.deviceInfo.getServiceIdentifier();
+    }
+
+    @Override
+    public DeviceInfo getDeviceInfo() {
+        return this.deviceInfo;
+    }
+
+    @Override
+    public void startupClusterServices() throws ExecutionException, InterruptedException {
+        if (!this.shuttingDownStatisticsPolling) {
+            this.statListForCollectingInitialization();
+            this.initialGatherDynamicData();
+            myManager.startScheduling(deviceInfo);
+        }
+    }
+
+    @Override
+    public ListenableFuture<Void> stopClusterServices() {
+        myManager.stopScheduling(deviceInfo);
+        return Futures.immediateFuture(null);
+    }
 }