Add single layer deserialization support
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / device / DeviceManagerImpl.java
index 00cf64754abebf1a1cc58676bd156b00cf545ce3..df49b1443769a6145fa754673ab673114b22c2b1 100644 (file)
@@ -7,91 +7,60 @@
  */
 package org.opendaylight.openflowplugin.impl.device;
 
+import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.AsyncFunction;
+import com.google.common.collect.Iterators;
+import com.google.common.util.concurrent.CheckedFuture;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import io.netty.util.HashedWheelTimer;
-import java.math.BigInteger;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
+import io.netty.util.TimerTask;
 import java.util.Collections;
 import java.util.Iterator;
-import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.CheckForNull;
 import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
-import org.opendaylight.controller.md.sal.binding.api.NotificationService;
 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
-import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueue;
-import org.opendaylight.openflowplugin.api.ConnectionException;
-import org.opendaylight.openflowplugin.api.OFConstants;
+import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueueHandlerRegistration;
+import org.opendaylight.openflowplugin.api.openflow.OFPContext;
 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
+import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionStatus;
 import org.opendaylight.openflowplugin.api.openflow.connection.OutboundQueueProvider;
 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
+import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
 import org.opendaylight.openflowplugin.api.openflow.device.DeviceManager;
-import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
-import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
-import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
 import org.opendaylight.openflowplugin.api.openflow.device.TranslatorLibrary;
-import org.opendaylight.openflowplugin.api.openflow.device.Xid;
 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
-import org.opendaylight.openflowplugin.api.openflow.device.handlers.MultiMsgCollector;
-import org.opendaylight.openflowplugin.api.openflow.md.core.TranslatorKey;
-import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageIntelligenceAgency;
-import org.opendaylight.openflowplugin.impl.common.MultipartRequestInputFactory;
-import org.opendaylight.openflowplugin.impl.common.NodeStaticReplyTranslatorUtil;
+import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceTerminationPhaseHandler;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleService;
+import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy;
+import org.opendaylight.openflowplugin.extension.api.ExtensionConverterProviderKeeper;
+import org.opendaylight.openflowplugin.extension.api.core.extension.ExtensionConverterProvider;
 import org.opendaylight.openflowplugin.impl.connection.OutboundQueueProviderImpl;
+import org.opendaylight.openflowplugin.impl.device.initialization.DeviceInitializerProvider;
 import org.opendaylight.openflowplugin.impl.device.listener.OpenflowProtocolListenerFullImpl;
-import org.opendaylight.openflowplugin.impl.rpc.AbstractRequestContext;
-import org.opendaylight.openflowplugin.impl.util.DeviceStateUtil;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
-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.TableBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsData;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsDataBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupFeatures;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
+import org.opendaylight.openflowplugin.impl.lifecycle.LifecycleServiceImpl;
+import org.opendaylight.openflowplugin.impl.services.sal.SalRoleServiceImpl;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterFeatures;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Capabilities;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.CapabilitiesV10;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortGrouping;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.MultipartReplyBody;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyDescCase;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesCase;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterFeaturesCase;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortDescCase;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableFeaturesCase;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.desc._case.MultipartReplyDesc;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.features._case.MultipartReplyGroupFeatures;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.features._case.MultipartReplyMeterFeatures;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.desc._case.MultipartReplyPortDesc;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.MultipartReplyTableFeatures;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsData;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsDataBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeatures;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SetRoleOutput;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.common.RpcError;
 import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -99,34 +68,57 @@ import org.slf4j.LoggerFactory;
 /**
  *
  */
-public class DeviceManagerImpl implements DeviceManager, AutoCloseable {
+public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProviderKeeper {
 
     private static final Logger LOG = LoggerFactory.getLogger(DeviceManagerImpl.class);
 
-    private static final long TICK_DURATION = 10; // 0.5 sec.
-    private ScheduledThreadPoolExecutor spyPool;
-    private final int spyRate = 10;
+    private final long globalNotificationQuota;
+    private final boolean switchFeaturesMandatory;
+    private boolean isFlowRemovedNotificationOn;
+    private boolean skipTableFeatures;
+    private static final int SPY_RATE = 10;
 
     private final DataBroker dataBroker;
-    private final HashedWheelTimer hashedWheelTimer;
+    private final DeviceInitializerProvider deviceInitializerProvider;
+    private final ConvertorExecutor convertorExecutor;
     private TranslatorLibrary translatorLibrary;
     private DeviceInitializationPhaseHandler deviceInitPhaseHandler;
-    private NotificationService notificationService;
-    private NotificationPublishService notificationPublishService;
+    private DeviceTerminationPhaseHandler deviceTerminPhaseHandler;
 
-    private final List<DeviceContext> deviceContexts = new ArrayList<DeviceContext>();
-    private final MessageIntelligenceAgency messageIntelligenceAgency;
+    private final ConcurrentMap<DeviceInfo, DeviceContext> deviceContexts = new ConcurrentHashMap<>();
+    private final ConcurrentMap<DeviceInfo, LifecycleService> lifecycleServices = new ConcurrentHashMap<>();
 
-    private final long barrierNanos = TimeUnit.MILLISECONDS.toNanos(500);
-    private final int maxQueueDepth = 25600;
+    private long barrierIntervalNanos;
+    private int barrierCountLimit;
+
+    private ExtensionConverterProvider extensionConverterProvider;
+    private ScheduledThreadPoolExecutor spyPool;
+    private final ClusterSingletonServiceProvider singletonServiceProvider;
+    private final NotificationPublishService notificationPublishService;
+    private final MessageSpy messageSpy;
+    private final HashedWheelTimer hashedWheelTimer;
+    private final boolean useSingleLayerSerialization;
 
     public DeviceManagerImpl(@Nonnull final DataBroker dataBroker,
-                             @Nonnull final MessageIntelligenceAgency messageIntelligenceAgency) {
-        this.dataBroker = Preconditions.checkNotNull(dataBroker);
-        hashedWheelTimer = new HashedWheelTimer(TICK_DURATION, TimeUnit.MILLISECONDS, 500);
+                             final long globalNotificationQuota,
+                             final boolean switchFeaturesMandatory,
+                             final long barrierInterval,
+                             final int barrierCountLimit,
+                             final MessageSpy messageSpy,
+                             final boolean isFlowRemovedNotificationOn,
+                             final ClusterSingletonServiceProvider singletonServiceProvider,
+                             final NotificationPublishService notificationPublishService,
+                             final HashedWheelTimer hashedWheelTimer,
+                             final ConvertorExecutor convertorExecutor,
+                             final boolean skipTableFeatures,
+                             final boolean useSingleLayerSerialization,
+                             final DeviceInitializerProvider deviceInitializerProvider) {
+
+        this.dataBroker = dataBroker;
+        this.deviceInitializerProvider = deviceInitializerProvider;
+
         /* merge empty nodes to oper DS to predict any problems with missing parent for Node */
         final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
-
         final NodesBuilder nodesBuilder = new NodesBuilder();
         nodesBuilder.setNode(Collections.<Node>emptyList());
         tx.merge(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(Nodes.class), nodesBuilder.build());
@@ -137,402 +129,315 @@ public class DeviceManagerImpl implements DeviceManager, AutoCloseable {
             throw new IllegalStateException(e);
         }
 
-        this.messageIntelligenceAgency = messageIntelligenceAgency;
+        this.switchFeaturesMandatory = switchFeaturesMandatory;
+        this.globalNotificationQuota = globalNotificationQuota;
+        this.isFlowRemovedNotificationOn = isFlowRemovedNotificationOn;
+        this.skipTableFeatures = skipTableFeatures;
+        this.convertorExecutor = convertorExecutor;
+        this.hashedWheelTimer = hashedWheelTimer;
+        this.barrierIntervalNanos = TimeUnit.MILLISECONDS.toNanos(barrierInterval);
+        this.barrierCountLimit = barrierCountLimit;
+        this.spyPool = new ScheduledThreadPoolExecutor(1);
+        this.singletonServiceProvider = singletonServiceProvider;
+        this.notificationPublishService = notificationPublishService;
+        this.messageSpy = messageSpy;
+        this.useSingleLayerSerialization = useSingleLayerSerialization;
     }
 
+
     @Override
     public void setDeviceInitializationPhaseHandler(final DeviceInitializationPhaseHandler handler) {
-        deviceInitPhaseHandler = handler;
+        this.deviceInitPhaseHandler = handler;
     }
 
     @Override
-    public void onDeviceContextLevelUp(final DeviceContext deviceContext) {
+    public void onDeviceContextLevelUp(@CheckForNull DeviceInfo deviceInfo, final LifecycleService lifecycleService) throws Exception {
         // final phase - we have to add new Device to MD-SAL DataStore
-        Preconditions.checkNotNull(deviceContext);
-        ((DeviceContextImpl) deviceContext).initialSubmitTransaction();
-
+        LOG.debug("Final phase of DeviceContextLevelUp for Node: {} ", deviceInfo.getNodeId());
+        DeviceContext deviceContext = Preconditions.checkNotNull(deviceContexts.get(deviceInfo));
         deviceContext.onPublished();
+        lifecycleService.registerDeviceRemovedHandler(this);
+        lifecycleService.registerService(this.singletonServiceProvider);
     }
 
     @Override
-    public void deviceConnected(@CheckForNull final ConnectionContext connectionContext) {
+    public ConnectionStatus deviceConnected(@CheckForNull final ConnectionContext connectionContext) throws Exception {
         Preconditions.checkArgument(connectionContext != null);
+        final DeviceInfo deviceInfo = connectionContext.getDeviceInfo();
+
+        /*
+         * This part prevent destroy another device context. Throwing here an exception result to propagate close connection
+         * in {@link org.opendaylight.openflowplugin.impl.connection.org.opendaylight.openflowplugin.impl.connection.HandshakeContextImpl}
+         * If context already exist we are in state closing process (connection flapping) and we should not propagate connection close
+         */
+         if (deviceContexts.containsKey(deviceInfo)) {
+             DeviceContext deviceContext = deviceContexts.get(deviceInfo);
+             LOG.warn("Node {} already connected disconnecting device. Rejecting connection", deviceInfo.getLOGValue());
+             if (!deviceContext.getState().equals(OFPContext.CONTEXT_STATE.TERMINATION)) {
+                 LOG.warn("Node {} context state not in TERMINATION state.",
+                         connectionContext.getDeviceInfo().getLOGValue());
+                 return ConnectionStatus.ALREADY_CONNECTED;
+             } else {
+                 return ConnectionStatus.CLOSING;
+             }
+         }
+
+        LOG.info("ConnectionEvent: Device connected to controller, Device:{}, NodeId:{}",
+                connectionContext.getConnectionAdapter().getRemoteAddress(), deviceInfo.getNodeId());
+
+        // Add Disconnect handler
+        connectionContext.setDeviceDisconnectedHandler(this);
 
         // Cache this for clarity
         final ConnectionAdapter connectionAdapter = connectionContext.getConnectionAdapter();
 
-        //FIXME: as soon as auxiliary connection are fully supported then this is needed only before device context published
+        // FIXME: as soon as auxiliary connection are fully supported then this is needed only before device context published
         connectionAdapter.setPacketInFiltering(true);
 
-        final Short version = connectionContext.getFeatures().getVersion();
-        final OutboundQueueProvider outboundQueueProvider = new OutboundQueueProviderImpl(version);
+        final OutboundQueueProvider outboundQueueProvider = new OutboundQueueProviderImpl(deviceInfo.getVersion());
+
+        connectionContext.setOutboundQueueProvider(outboundQueueProvider);
+        final OutboundQueueHandlerRegistration<OutboundQueueProvider> outboundQueueHandlerRegistration =
+                connectionAdapter.registerOutboundQueueHandler(outboundQueueProvider, barrierCountLimit, barrierIntervalNanos);
+        connectionContext.setOutboundQueueHandleRegistration(outboundQueueHandlerRegistration);
+
+        final LifecycleService lifecycleService = new LifecycleServiceImpl();
+        final DeviceContext deviceContext = new DeviceContextImpl(
+                connectionContext,
+                dataBroker,
+                messageSpy,
+                translatorLibrary,
+                this,
+                convertorExecutor,
+                skipTableFeatures,
+                hashedWheelTimer,
+                this,
+                useSingleLayerSerialization,
+                deviceInitializerProvider);
+
+        deviceContext.setSalRoleService(new SalRoleServiceImpl(deviceContext, deviceContext));
+        deviceContexts.put(deviceInfo, deviceContext);
+
+        lifecycleService.setDeviceContext(deviceContext);
+        deviceContext.putLifecycleServiceIntoTxChainManager(lifecycleService);
+
+        lifecycleServices.put(deviceInfo, lifecycleService);
 
-        final DeviceState deviceState = new DeviceStateImpl(connectionContext.getFeatures(), connectionContext.getNodeId());
+        addCallbackToDeviceInitializeToSlave(deviceInfo, deviceContext, lifecycleService);
 
-        final DeviceContext deviceContext = new DeviceContextImpl(connectionContext, deviceState, dataBroker, hashedWheelTimer, messageIntelligenceAgency);
-        deviceContext.registerOutboundQueueProvider(outboundQueueProvider, maxQueueDepth, barrierNanos);
-        deviceContext.setNotificationService(notificationService);
+        deviceContext.setSwitchFeaturesMandatory(switchFeaturesMandatory);
+
+        ((ExtensionConverterProviderKeeper) deviceContext).setExtensionConverterProvider(extensionConverterProvider);
         deviceContext.setNotificationPublishService(notificationPublishService);
-        final NodeBuilder nodeBuilder = new NodeBuilder().setId(deviceState.getNodeId()).setNodeConnector(Collections.<NodeConnector>emptyList());
-        deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, deviceState.getNodeInstanceIdentifier(), nodeBuilder.build());
 
-        connectionContext.setDeviceDisconnectedHandler(deviceContext);
-        deviceContext.setTranslatorLibrary(translatorLibrary);
-        deviceContext.addDeviceContextClosedHandler(this);
+        updatePacketInRateLimiters();
 
         final OpenflowProtocolListenerFullImpl messageListener = new OpenflowProtocolListenerFullImpl(
                 connectionAdapter, deviceContext);
+
         connectionAdapter.setMessageListener(messageListener);
+        deviceInitPhaseHandler.onDeviceContextLevelUp(connectionContext.getDeviceInfo(), lifecycleService);
+        return ConnectionStatus.MAY_CONTINUE;
+    }
 
-        final ListenableFuture<List<RpcResult<List<MultipartReply>>>> deviceFeaturesFuture;
-        if (OFConstants.OFP_VERSION_1_0 == version) {
-            final CapabilitiesV10 capabilitiesV10 = connectionContext.getFeatures().getCapabilitiesV10();
+    @Override
+    public TranslatorLibrary oook() {
+        return translatorLibrary;
+    }
 
-            DeviceStateUtil.setDeviceStateBasedOnV10Capabilities(deviceState, capabilitiesV10);
+    @Override
+    public void setTranslatorLibrary(final TranslatorLibrary translatorLibrary) {
+        this.translatorLibrary = translatorLibrary;
+    }
 
-            deviceFeaturesFuture = createDeviceFeaturesForOF10(deviceContext, deviceState);
-            // create empty tables after device description is processed
-            chainTableTrunkWriteOF10(deviceContext, deviceFeaturesFuture);
+    @Override
+    public void close() {
+        for (final Iterator<DeviceContext> iterator = Iterators.consumingIterator(deviceContexts.values().iterator());
+                iterator.hasNext();) {
+            final DeviceContext deviceCtx = iterator.next();
+            deviceCtx.shutdownConnection();
+            deviceCtx.shuttingDownDataStoreTransactions();
+        }
 
-            final short ofVersion = deviceContext.getDeviceState().getVersion();
-            final TranslatorKey translatorKey = new TranslatorKey(ofVersion, PortGrouping.class.getName());
-            final MessageTranslator<PortGrouping, FlowCapableNodeConnector> translator = deviceContext.oook().lookupTranslator(translatorKey);
-            final BigInteger dataPathId = deviceContext.getPrimaryConnectionContext().getFeatures().getDatapathId();
+        Optional.ofNullable(spyPool).ifPresent(ScheduledThreadPoolExecutor::shutdownNow);
+        spyPool = null;
 
-            for (final PortGrouping port : connectionContext.getFeatures().getPhyPort()) {
-                final FlowCapableNodeConnector fcNodeConnector = translator.translate(port, deviceContext, null);
+    }
 
-                final NodeConnectorId nodeConnectorId = NodeStaticReplyTranslatorUtil.nodeConnectorId(dataPathId.toString(), port.getPortNo(), ofVersion);
-                final NodeConnectorBuilder ncBuilder = new NodeConnectorBuilder().setId(nodeConnectorId);
-                ncBuilder.addAugmentation(FlowCapableNodeConnector.class, fcNodeConnector);
-                ncBuilder.addAugmentation(FlowCapableNodeConnectorStatisticsData.class, new FlowCapableNodeConnectorStatisticsDataBuilder().build());
-                final NodeConnector connector = ncBuilder.build();
-                final InstanceIdentifier<NodeConnector> connectorII = deviceState.getNodeInstanceIdentifier().child(NodeConnector.class, connector.getKey());
-                deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, connectorII, connector);
-            }
-        } else if (OFConstants.OFP_VERSION_1_3 == version) {
-            final Capabilities capabilities = connectionContext.getFeatures().getCapabilities();
-            LOG.debug("Setting capabilities for device {}", deviceContext.getDeviceState().getNodeId());
-            DeviceStateUtil.setDeviceStateBasedOnV13Capabilities(deviceState, capabilities);
-            deviceFeaturesFuture = createDeviceFeaturesForOF13(deviceContext, deviceState);
-        } else {
-            deviceFeaturesFuture = Futures.immediateFailedFuture(new ConnectionException("Unsupported version " + version));
-        }
+    @Override
+    public void onDeviceContextLevelDown(final DeviceInfo deviceInfo) {
+        updatePacketInRateLimiters();
+        Optional.ofNullable(lifecycleServices.get(deviceInfo)).ifPresent(OFPContext::close);
+    }
 
-        Futures.addCallback(deviceFeaturesFuture, new FutureCallback<List<RpcResult<List<MultipartReply>>>>() {
-            @Override
-            public void onSuccess(final List<RpcResult<List<MultipartReply>>> result) {
-                deviceContext.getDeviceState().setValid(true);
-                deviceInitPhaseHandler.onDeviceContextLevelUp(deviceContext);
-                LOG.trace("Device context level up called.");
-            }
+    @Override
+    public void initialize() {
+        spyPool.scheduleAtFixedRate(messageSpy, SPY_RATE, SPY_RATE, TimeUnit.SECONDS);
+    }
 
-            @Override
-            public void onFailure(final Throwable t) {
-                // FIXME : remove session
-                LOG.trace("Device capabilities gathering future failed.");
-                LOG.trace("more info in exploration failure..", t);
-            }
-        });
+    @Override
+    public void setExtensionConverterProvider(final ExtensionConverterProvider extensionConverterProvider) {
+        this.extensionConverterProvider = extensionConverterProvider;
     }
 
-    private static void chainTableTrunkWriteOF10(final DeviceContext deviceContext, final ListenableFuture<List<RpcResult<List<MultipartReply>>>> deviceFeaturesFuture) {
-        Futures.addCallback(deviceFeaturesFuture, new FutureCallback<List<RpcResult<List<MultipartReply>>>>() {
-            @Override
-            public void onSuccess(final List<RpcResult<List<MultipartReply>>> results) {
-                boolean allSucceeded = true;
-                for (final RpcResult<List<MultipartReply>> rpcResult : results) {
-                    allSucceeded &= rpcResult.isSuccessful();
-                }
-                if (allSucceeded) {
-                    createEmptyFlowCapableNodeInDs(deviceContext);
-                    makeEmptyTables(deviceContext, deviceContext.getDeviceState().getNodeInstanceIdentifier(),
-                            deviceContext.getDeviceState().getFeatures().getTables());
-                }
-            }
+    @Override
+    public ExtensionConverterProvider getExtensionConverterProvider() {
+        return extensionConverterProvider;
+    }
 
-            @Override
-            public void onFailure(final Throwable t) {
-                //NOOP
-            }
-        });
+    @Override
+    public void setDeviceTerminationPhaseHandler(final DeviceTerminationPhaseHandler handler) {
+        this.deviceTerminPhaseHandler = handler;
     }
 
+    @Override
+    public void onDeviceDisconnected(final ConnectionContext connectionContext) {
+        LOG.trace("onDeviceDisconnected method call for Node: {}", connectionContext.getNodeId());
+        final DeviceInfo deviceInfo = connectionContext.getDeviceInfo();
+        final DeviceContext deviceCtx = this.deviceContexts.get(deviceInfo);
+
+        if (Objects.isNull(deviceCtx)) {
+            LOG.info("DeviceContext for Node {} was not found. Connection is terminated without OFP context suite.", deviceInfo.getLOGValue());
+            return;
+        }
 
-    private static ListenableFuture<List<RpcResult<List<MultipartReply>>>> createDeviceFeaturesForOF10(final DeviceContext deviceContext,
-                                                                                                       final DeviceState deviceState) {
-        final ListenableFuture<RpcResult<List<MultipartReply>>> replyDesc = getNodeStaticInfo(MultipartType.OFPMPDESC,
-                deviceContext,
-                deviceState.getNodeInstanceIdentifier(),
-                deviceState.getVersion());
+        if (deviceCtx.getState().equals(OFPContext.CONTEXT_STATE.TERMINATION)) {
+            LOG.info("Device context for node {} is already is termination state, waiting for close all context", deviceInfo.getLOGValue());
+            return;
+        }
 
-        return Futures.allAsList(Arrays.asList(replyDesc));
-    }
+        deviceCtx.close();
 
-    private static ListenableFuture<List<RpcResult<List<MultipartReply>>>> createDeviceFeaturesForOF13(final DeviceContext deviceContext,
-                                                                                                       final DeviceState deviceState) {
+        if (!connectionContext.equals(deviceCtx.getPrimaryConnectionContext())) {
+            LOG.debug("Node {} disconnected, but not primary connection.", connectionContext.getDeviceInfo().getLOGValue());
+            // Connection is not PrimaryConnection so try to remove from Auxiliary Connections
+            deviceCtx.removeAuxiliaryConnectionContext(connectionContext);
+        }
 
-        final ListenableFuture<RpcResult<List<MultipartReply>>> replyDesc = getNodeStaticInfo(MultipartType.OFPMPDESC,
-                deviceContext,
-                deviceState.getNodeInstanceIdentifier(),
-                deviceState.getVersion());
+        // TODO: Auxiliary connections supported ?
+        // Device is disconnected and so we need to close TxManager
+        final ListenableFuture<Void> future = deviceCtx.shuttingDownDataStoreTransactions();
+        Futures.addCallback(future, new FutureCallback<Void>() {
+            @Override
+            public void onSuccess(final Void result) {
+                LOG.debug("TxChainManager for device {} is closed successful.", deviceInfo.getLOGValue());
+                deviceTerminPhaseHandler.onDeviceContextLevelDown(deviceInfo);
+            }
 
-        //first process description reply, write data to DS and write consequent data if successful
-        return Futures.transform(replyDesc, new AsyncFunction<RpcResult<List<MultipartReply>>, List<RpcResult<List<MultipartReply>>>>() {
             @Override
-            public ListenableFuture<List<RpcResult<List<MultipartReply>>>> apply(final RpcResult<List<MultipartReply>> rpcResult) throws Exception {
-
-                translateAndWriteReply(MultipartType.OFPMPDESC, deviceContext, deviceState.getNodeInstanceIdentifier(), rpcResult.getResult());
-
-                final ListenableFuture<RpcResult<List<MultipartReply>>> replyMeterFeature = getNodeStaticInfo(MultipartType.OFPMPMETERFEATURES,
-                        deviceContext,
-                        deviceState.getNodeInstanceIdentifier(),
-                        deviceState.getVersion());
-
-                createSuccessProcessingCallback(MultipartType.OFPMPMETERFEATURES,
-                        deviceContext,
-                        deviceState.getNodeInstanceIdentifier(),
-                        replyMeterFeature);
-
-                final ListenableFuture<RpcResult<List<MultipartReply>>> replyGroupFeatures = getNodeStaticInfo(MultipartType.OFPMPGROUPFEATURES,
-                        deviceContext,
-                        deviceState.getNodeInstanceIdentifier(),
-                        deviceState.getVersion());
-                createSuccessProcessingCallback(MultipartType.OFPMPGROUPFEATURES,
-                        deviceContext,
-                        deviceState.getNodeInstanceIdentifier(),
-                        replyGroupFeatures);
-
-                final ListenableFuture<RpcResult<List<MultipartReply>>> replyTableFeatures = getNodeStaticInfo(MultipartType.OFPMPTABLEFEATURES,
-                        deviceContext,
-                        deviceState.getNodeInstanceIdentifier(),
-                        deviceState.getVersion());
-                createSuccessProcessingCallback(MultipartType.OFPMPTABLEFEATURES,
-                        deviceContext,
-                        deviceState.getNodeInstanceIdentifier(),
-                        replyTableFeatures);
-
-                final ListenableFuture<RpcResult<List<MultipartReply>>> replyPortDescription = getNodeStaticInfo(MultipartType.OFPMPPORTDESC,
-                        deviceContext,
-                        deviceState.getNodeInstanceIdentifier(),
-                        deviceState.getVersion());
-                createSuccessProcessingCallback(MultipartType.OFPMPPORTDESC,
-                        deviceContext,
-                        deviceState.getNodeInstanceIdentifier(),
-                        replyPortDescription);
-
-
-                return Futures.allAsList(Arrays.asList(
-                        replyMeterFeature,
-                        replyGroupFeatures,
-//                        replyTableFeatures,
-                        replyPortDescription));
+            public void onFailure(final Throwable t) {
+                LOG.warn("TxChainManager for device {} failed by closing.", deviceInfo.getLOGValue());
+                LOG.trace("TxChainManager failed by closing. ", t);
+                deviceTerminPhaseHandler.onDeviceContextLevelDown(deviceInfo);
             }
         });
 
+        // Add timer for Close TxManager because it could fail in cluster without notification
+        final TimerTask timerTask = timeout -> {
+            if (!future.isDone()) {
+                LOG.warn("Shutting down TxChain for node {} not completed during 10 sec. Continue anyway.", deviceInfo.getLOGValue());
+                future.cancel(false);
+            }
+        };
+
+        hashedWheelTimer.newTimeout(timerTask, 10, TimeUnit.SECONDS);
+    }
+
+    @VisibleForTesting
+    void addDeviceContextToMap(final DeviceInfo deviceInfo, final DeviceContext deviceContext){
+        deviceContexts.put(deviceInfo, deviceContext);
     }
 
     @Override
-    public TranslatorLibrary oook() {
-        return translatorLibrary;
+    public void setFlowRemovedNotificationOn(boolean isNotificationFlowRemovedOff) {
+        this.isFlowRemovedNotificationOn = isNotificationFlowRemovedOff;
     }
 
     @Override
-    public void setTranslatorLibrary(final TranslatorLibrary translatorLibrary) {
-        this.translatorLibrary = translatorLibrary;
+    public boolean isFlowRemovedNotificationOn() {
+        return this.isFlowRemovedNotificationOn;
     }
 
-    private static ListenableFuture<RpcResult<List<MultipartReply>>> getNodeStaticInfo(final MultipartType type, final DeviceContext deviceContext,
-                                                                                       final InstanceIdentifier<Node> nodeII, final short version) {
 
-        final OutboundQueue queue = deviceContext.getPrimaryConnectionContext().getOutboundQueueProvider();
+    @Override
+    public void setSkipTableFeatures(boolean skipTableFeaturesValue) {
+        skipTableFeatures = skipTableFeaturesValue;
+    }
 
-        final Long reserved = deviceContext.getReservedXid();
-        final RequestContext<List<MultipartReply>> requestContext = new AbstractRequestContext<List<MultipartReply>>(reserved) {
-            @Override
-            public void close() {
-                //NOOP
-            }
-        };
+    @Override
+    public void setBarrierCountLimit(final int barrierCountLimit) {
+        this.barrierCountLimit = barrierCountLimit;
+    }
 
-        final Xid xid = requestContext.getXid();
+    @Override
+    public void setBarrierInterval(final long barrierTimeoutLimit) {
+        this.barrierIntervalNanos = TimeUnit.MILLISECONDS.toNanos(barrierTimeoutLimit);
+    }
 
-        LOG.trace("Hooking xid {} to device context - precaution.", reserved);
+    @Override
+    public CheckedFuture<Void, TransactionCommitFailedException> removeDeviceFromOperationalDS(final DeviceInfo deviceInfo) {
+        final WriteTransaction delWtx = dataBroker.newWriteOnlyTransaction();
+        delWtx.delete(LogicalDatastoreType.OPERATIONAL, deviceInfo.getNodeInstanceIdentifier());
+        final CheckedFuture<Void, TransactionCommitFailedException> delFuture = delWtx.submit();
 
-        final MultiMsgCollector multiMsgCollector = deviceContext.getMultiMsgCollector(requestContext);
-        queue.commitEntry(xid.getValue(), MultipartRequestInputFactory.makeMultipartRequestInput(xid.getValue(), version, type), new FutureCallback<OfHeader>() {
+        Futures.addCallback(delFuture, new FutureCallback<Void>() {
             @Override
-            public void onSuccess(final OfHeader ofHeader) {
-                if (ofHeader instanceof MultipartReply) {
-                    final MultipartReply multipartReply = (MultipartReply) ofHeader;
-                    multiMsgCollector.addMultipartMsg(multipartReply);
-                } else if (null != ofHeader) {
-                    LOG.info("Unexpected response type received {}.", ofHeader.getClass());
-                } else {
-                    multiMsgCollector.endCollecting();
-                    LOG.info("Response received is null.");
+            public void onSuccess(final Void result) {
+                if (LOG.isDebugEnabled()) {
+                    LOG.debug("Delete Node {} was successful", deviceInfo.getLOGValue());
                 }
             }
 
             @Override
-            public void onFailure(final Throwable t) {
-                LOG.info("Fail response from OutboundQueue for multipart type {}.", type, t);
-                requestContext.close();
-                if (MultipartType.OFPMPTABLEFEATURES.equals(type)) {
-                    makeEmptyTables(deviceContext, nodeII, deviceContext.getPrimaryConnectionContext().getFeatures().getTables());
-                }
+            public void onFailure(@Nonnull final Throwable t) {
+                LOG.warn("Delete node {} failed with exception {}", deviceInfo.getLOGValue(), t);
             }
         });
 
-        return requestContext.getFuture();
+        return delFuture;
     }
 
-    private static void createSuccessProcessingCallback(final MultipartType type, final DeviceContext deviceContext, final InstanceIdentifier<Node> nodeII, final ListenableFuture<RpcResult<List<MultipartReply>>> requestContextFuture) {
-        Futures.addCallback(requestContextFuture, new FutureCallback<RpcResult<List<MultipartReply>>>() {
+
+    private void addCallbackToDeviceInitializeToSlave(final DeviceInfo deviceInfo, final DeviceContext deviceContext, final LifecycleService lifecycleService) {
+        Futures.addCallback(deviceContext.makeDeviceSlave(), new FutureCallback<RpcResult<SetRoleOutput>>() {
             @Override
-            public void onSuccess(final RpcResult<List<MultipartReply>> rpcResult) {
-                final List<MultipartReply> result = rpcResult.getResult();
-                if (result != null) {
-                    LOG.info("Static node {} info: {} collected", nodeII.toString(), type);
-                    translateAndWriteReply(type, deviceContext, nodeII, result);
-                } else {
-                    final Iterator<RpcError> rpcErrorIterator = rpcResult.getErrors().iterator();
-                    while (rpcErrorIterator.hasNext()) {
-                        final RpcError rpcError = rpcErrorIterator.next();
-                        LOG.info("Failed to retrieve static node {} info: {}", type, rpcError.getMessage());
-                        if (null != rpcError.getCause()) {
-                            LOG.trace("Detailed error:", rpcError.getCause());
-                        }
-                    }
-                    if (MultipartType.OFPMPTABLEFEATURES.equals(type)) {
-                        makeEmptyTables(deviceContext, nodeII, deviceContext.getPrimaryConnectionContext().getFeatures().getTables());
-                    }
+            public void onSuccess(@Nullable RpcResult<SetRoleOutput> setRoleOutputRpcResult) {
+                if (LOG.isDebugEnabled()) {
+                    LOG.debug("Role SLAVE was successfully propagated on device, node {}", deviceInfo.getLOGValue());
                 }
             }
 
             @Override
-            public void onFailure(final Throwable throwable) {
-                LOG.info("Request of type {} for static info of node {} failed.", type, nodeII);
+            public void onFailure(Throwable throwable) {
+                LOG.warn("Was not able to set role SLAVE to device on node {} ",deviceInfo.getLOGValue());
+                lifecycleService.closeConnection();
             }
         });
     }
 
-    // FIXME : remove after ovs tableFeatures fix
-    private static void makeEmptyTables(final DeviceContext dContext, final InstanceIdentifier<Node> nodeII, final Short nrOfTables) {
-        LOG.debug("About to create {} empty tables.", nrOfTables);
-        for (int i = 0; i < nrOfTables; i++) {
-            final short tId = (short) i;
-            final InstanceIdentifier<Table> tableII = nodeII.augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tId));
-            final TableBuilder tableBuilder = new TableBuilder().setId(tId).addAugmentation(FlowTableStatisticsData.class, new FlowTableStatisticsDataBuilder().build());
-            dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, tableII, tableBuilder.build());
-        }
-    }
-
-    private static void translateAndWriteReply(final MultipartType type, final DeviceContext dContext,
-                                               final InstanceIdentifier<Node> nodeII, final Collection<MultipartReply> result) {
-        for (final MultipartReply reply : result) {
-            final MultipartReplyBody body = reply.getMultipartReplyBody();
-            switch (type) {
-                case OFPMPDESC:
-                    Preconditions.checkArgument(body instanceof MultipartReplyDescCase);
-                    final MultipartReplyDesc replyDesc = ((MultipartReplyDescCase) body).getMultipartReplyDesc();
-                    final FlowCapableNode fcNode = NodeStaticReplyTranslatorUtil.nodeDescTranslator(replyDesc);
-                    final InstanceIdentifier<FlowCapableNode> fNodeII = nodeII.augmentation(FlowCapableNode.class);
-                    dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, fNodeII, fcNode);
-                    break;
-
-                case OFPMPTABLEFEATURES:
-                    Preconditions.checkArgument(body instanceof MultipartReplyTableFeaturesCase);
-                    final MultipartReplyTableFeatures tableFeatures = ((MultipartReplyTableFeaturesCase) body).getMultipartReplyTableFeatures();
-                    final List<TableFeatures> tables = NodeStaticReplyTranslatorUtil.nodeTableFeatureTranslator(tableFeatures);
-                    for (final TableFeatures table : tables) {
-                        final Short tableId = table.getTableId();
-                        final InstanceIdentifier<Table> tableII = nodeII.augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tableId));
-                        final TableBuilder tableBuilder = new TableBuilder().setId(tableId).setTableFeatures(Collections.singletonList(table));
-                        tableBuilder.addAugmentation(FlowTableStatisticsData.class, new FlowTableStatisticsDataBuilder().build());
-                        dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, tableII, tableBuilder.build());
-                    }
-                    break;
-
-                case OFPMPMETERFEATURES:
-                    Preconditions.checkArgument(body instanceof MultipartReplyMeterFeaturesCase);
-                    final MultipartReplyMeterFeatures meterFeatures = ((MultipartReplyMeterFeaturesCase) body).getMultipartReplyMeterFeatures();
-                    final NodeMeterFeatures mFeature = NodeStaticReplyTranslatorUtil.nodeMeterFeatureTranslator(meterFeatures);
-                    final InstanceIdentifier<NodeMeterFeatures> mFeatureII = nodeII.augmentation(NodeMeterFeatures.class);
-                    dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, mFeatureII, mFeature);
-                    if (0L < mFeature.getMeterFeatures().getMaxMeter().getValue()) {
-                        dContext.getDeviceState().setMeterAvailable(true);
-                    }
-                    break;
-
-                case OFPMPGROUPFEATURES:
-                    Preconditions.checkArgument(body instanceof MultipartReplyGroupFeaturesCase);
-                    final MultipartReplyGroupFeatures groupFeatures = ((MultipartReplyGroupFeaturesCase) body).getMultipartReplyGroupFeatures();
-                    final NodeGroupFeatures gFeature = NodeStaticReplyTranslatorUtil.nodeGroupFeatureTranslator(groupFeatures);
-                    final InstanceIdentifier<NodeGroupFeatures> gFeatureII = nodeII.augmentation(NodeGroupFeatures.class);
-                    dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, gFeatureII, gFeature);
-                    break;
-
-                case OFPMPPORTDESC:
-                    Preconditions.checkArgument(body instanceof MultipartReplyPortDescCase);
-                    final MultipartReplyPortDesc portDesc = ((MultipartReplyPortDescCase) body).getMultipartReplyPortDesc();
-                    for (final PortGrouping port : portDesc.getPorts()) {
-                        final short ofVersion = dContext.getDeviceState().getVersion();
-                        final TranslatorKey translatorKey = new TranslatorKey(ofVersion, PortGrouping.class.getName());
-                        final MessageTranslator<PortGrouping, FlowCapableNodeConnector> translator = dContext.oook().lookupTranslator(translatorKey);
-                        final FlowCapableNodeConnector fcNodeConnector = translator.translate(port, dContext, null);
-
-                        final BigInteger dataPathId = dContext.getPrimaryConnectionContext().getFeatures().getDatapathId();
-                        final NodeConnectorId nodeConnectorId = NodeStaticReplyTranslatorUtil.nodeConnectorId(dataPathId.toString(), port.getPortNo(), ofVersion);
-                        final NodeConnectorBuilder ncBuilder = new NodeConnectorBuilder().setId(nodeConnectorId);
-                        ncBuilder.addAugmentation(FlowCapableNodeConnector.class, fcNodeConnector);
-
-                        ncBuilder.addAugmentation(FlowCapableNodeConnectorStatisticsData.class, new FlowCapableNodeConnectorStatisticsDataBuilder().build());
-                        final NodeConnector connector = ncBuilder.build();
-
-                        final InstanceIdentifier<NodeConnector> connectorII = nodeII.child(NodeConnector.class, connector.getKey());
-                        dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, connectorII, connector);
-                    }
-
-                    break;
-
-                default:
-                    throw new IllegalArgumentException("Unnexpected MultipartType " + type);
+    private void updatePacketInRateLimiters() {
+        synchronized (deviceContexts) {
+            final int deviceContextsSize = deviceContexts.size();
+            if (deviceContextsSize > 0) {
+                long freshNotificationLimit = globalNotificationQuota / deviceContextsSize;
+                if (freshNotificationLimit < 100) {
+                    freshNotificationLimit = 100;
+                }
+                if (LOG.isDebugEnabled()) {
+                    LOG.debug("fresh notification limit = {}", freshNotificationLimit);
+                }
+                for (final DeviceContext deviceContext : deviceContexts.values()) {
+                    deviceContext.updatePacketInRateLimit(freshNotificationLimit);
+                }
             }
         }
     }
 
-    @Override
-    public void setNotificationService(final NotificationService notificationServiceParam) {
-        notificationService = notificationServiceParam;
-    }
-
-    @Override
-    public void setNotificationPublishService(final NotificationPublishService notificationService) {
-        notificationPublishService = notificationService;
-    }
-
-    @Override
-    public void close() throws Exception {
-        for (final DeviceContext deviceContext : deviceContexts) {
-            deviceContext.close();
-        }
-    }
-
-    private static void createEmptyFlowCapableNodeInDs(final DeviceContext deviceContext) {
-        final FlowCapableNodeBuilder flowCapableNodeBuilder = new FlowCapableNodeBuilder();
-        final InstanceIdentifier<FlowCapableNode> fNodeII = deviceContext.getDeviceState().getNodeInstanceIdentifier().augmentation(FlowCapableNode.class);
-        deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, fNodeII, flowCapableNodeBuilder.build());
-    }
-
-    @Override
-    public void onDeviceContextClosed(final DeviceContext deviceContext) {
-        deviceContexts.remove(deviceContext);
-    }
+    public void onDeviceRemoved(DeviceInfo deviceInfo) {
+        deviceContexts.remove(deviceInfo);
+        LOG.debug("Device context removed for node {}", deviceInfo.getLOGValue());
 
-    @Override
-    public void initialize() {
-        spyPool = new ScheduledThreadPoolExecutor(1);
-        spyPool.scheduleAtFixedRate(messageIntelligenceAgency, spyRate, spyRate, TimeUnit.SECONDS);
+        lifecycleServices.remove(deviceInfo);
+        LOG.debug("Lifecycle service removed for node {}", deviceInfo.getLOGValue());
     }
 }