Fix checkstyle API.
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / device / DeviceContextImpl.java
index fd2e77c773382ab73d5d155261e4637868f7bf45..c7141da52bc8e95d05d56b4ec0ffd811be38e4b9 100644 (file)
@@ -8,27 +8,37 @@
 package org.opendaylight.openflowplugin.impl.device;
 
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Preconditions;
+import com.google.common.base.Optional;
 import com.google.common.base.Verify;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.JdkFutureAdapters;
 import com.google.common.util.concurrent.ListenableFuture;
+import io.netty.util.HashedWheelTimer;
 import io.netty.util.Timeout;
+import io.netty.util.TimerTask;
 import java.math.BigInteger;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 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.ReadOnlyTransaction;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionChainClosedException;
+import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
-import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueue;
 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
+import org.opendaylight.openflowplugin.api.ConnectionException;
+import org.opendaylight.openflowplugin.api.OFConstants;
 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
-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;
@@ -37,10 +47,14 @@ 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.ClusterInitializationPhaseHandler;
 import org.opendaylight.openflowplugin.api.openflow.device.handlers.MultiMsgCollector;
-import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleConductor;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.ContextChainMastershipState;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.ContextChainState;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.MastershipChangeListener;
 import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
 import org.opendaylight.openflowplugin.api.openflow.md.core.TranslatorKey;
+import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
 import org.opendaylight.openflowplugin.api.openflow.registry.ItemLifeCycleRegistry;
 import org.opendaylight.openflowplugin.api.openflow.registry.flow.DeviceFlowRegistry;
 import org.opendaylight.openflowplugin.api.openflow.registry.flow.FlowDescriptor;
@@ -56,49 +70,56 @@ import org.opendaylight.openflowplugin.extension.api.core.extension.ExtensionCon
 import org.opendaylight.openflowplugin.extension.api.exception.ConversionException;
 import org.opendaylight.openflowplugin.extension.api.path.MessagePath;
 import org.opendaylight.openflowplugin.impl.common.ItemLifeCycleSourceImpl;
-import org.opendaylight.openflowplugin.impl.common.NodeStaticReplyTranslatorUtil;
+import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
+import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProviderFactory;
+import org.opendaylight.openflowplugin.impl.device.initialization.AbstractDeviceInitializer;
+import org.opendaylight.openflowplugin.impl.device.initialization.DeviceInitializerProvider;
 import org.opendaylight.openflowplugin.impl.device.listener.MultiMsgCollectorImpl;
 import org.opendaylight.openflowplugin.impl.registry.flow.DeviceFlowRegistryImpl;
 import org.opendaylight.openflowplugin.impl.registry.flow.FlowRegistryKeyFactory;
 import org.opendaylight.openflowplugin.impl.registry.group.DeviceGroupRegistryImpl;
 import org.opendaylight.openflowplugin.impl.registry.meter.DeviceMeterRegistryImpl;
+import org.opendaylight.openflowplugin.impl.rpc.AbstractRequestContext;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
 import org.opendaylight.openflowplugin.openflow.md.core.session.SwitchConnectionCookieOFImpl;
+import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.experimenter.message.service.rev151020.ExperimenterMessageFromDevBuilder;
 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.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.inventory.rev130819.tables.table.FlowKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
 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.node.NodeConnectorKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortReason;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.Error;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterMessage;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemoved;
-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.PacketIn;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortGrouping;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatus;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessage;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.experimenter.core.ExperimenterDataOfChoice;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.experimenter.types.rev151020.experimenter.core.message.ExperimenterMessageOfChoice;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
 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.role.service.rev150727.OfpRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SalRoleService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SetRoleInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SetRoleInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SetRoleOutput;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-/**
- *
- */
 public class DeviceContextImpl implements DeviceContext, ExtensionConverterProviderKeeper {
 
     private static final Logger LOG = LoggerFactory.getLogger(DeviceContextImpl.class);
@@ -110,19 +131,32 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
     // TODO: high water mark factor should be parametrized
     private static final float HIGH_WATERMARK_FACTOR = 0.95f;
 
-    private final ConnectionContext primaryConnectionContext;
+    // Timeout in seconds after what we will give up on propagating role
+    private static final int SET_ROLE_TIMEOUT = 10;
+
+    // Timeout in milliseconds after what we will give up on initializing device
+    private static final int DEVICE_INIT_TIMEOUT = 9000;
+
+    private static final int LOW_WATERMARK = 1000;
+    private static final int HIGH_WATERMARK = 2000;
+    private final MultipartWriterProvider writerProvider;
+
+    private boolean initialized;
+
+    private SalRoleService salRoleService = null;
+    private final HashedWheelTimer hashedWheelTimer;
+    private volatile ConnectionContext primaryConnectionContext;
     private final DeviceState deviceState;
     private final DataBroker dataBroker;
     private final Map<SwitchConnectionDistinguisher, ConnectionContext> auxiliaryConnectionContexts;
-    private final TransactionChainManager transactionChainManager;
-    private final DeviceFlowRegistry deviceFlowRegistry;
-    private final DeviceGroupRegistry deviceGroupRegistry;
-    private final DeviceMeterRegistry deviceMeterRegistry;
-    private final PacketInRateLimiter packetInLimiter;
+    private TransactionChainManager transactionChainManager;
+    private DeviceFlowRegistry deviceFlowRegistry;
+    private DeviceGroupRegistry deviceGroupRegistry;
+    private DeviceMeterRegistry deviceMeterRegistry;
+    private PacketInRateLimiter packetInLimiter;
     private final MessageSpy messageSpy;
     private final ItemLifeCycleKeeper flowLifeCycleKeeper;
     private NotificationPublishService notificationPublishService;
-    private final OutboundQueue outboundQueueProvider;
     private Timeout barrierTaskTimeout;
     private final MessageTranslator<PortGrouping, FlowCapableNodeConnector> portStatusTranslator;
     private final MessageTranslator<PacketInMessage, PacketReceived> packetInTranslator;
@@ -130,63 +164,66 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
     private final TranslatorLibrary translatorLibrary;
     private final ItemLifeCycleRegistry itemLifeCycleSourceRegistry;
     private ExtensionConverterProvider extensionConverterProvider;
-    private final DeviceManager deviceManager;
-
-    private final DeviceInfo deviceInfo;
-
-    private volatile CONTEXT_STATE contextState;
-
-
-    @VisibleForTesting
-    DeviceContextImpl(@Nonnull final ConnectionContext primaryConnectionContext,
-                      @Nonnull final DeviceState deviceState,
-                      @Nonnull final DataBroker dataBroker,
-                      @Nonnull final LifecycleConductor conductor,
-                      @Nonnull final OutboundQueueProvider outboundQueueProvider,
-                      @Nonnull final TranslatorLibrary translatorLibrary,
-                      final DeviceManager manager) {
-        this.primaryConnectionContext = Preconditions.checkNotNull(primaryConnectionContext);
-        this.deviceState = Preconditions.checkNotNull(deviceState);
-        this.dataBroker = Preconditions.checkNotNull(dataBroker);
-        Preconditions.checkNotNull(conductor);
-        this.outboundQueueProvider = Preconditions.checkNotNull(outboundQueueProvider);
-        deviceInfo = primaryConnectionContext.getDeviceInfo();
-        this.transactionChainManager = new TransactionChainManager(dataBroker, deviceInfo, conductor);
-        auxiliaryConnectionContexts = new HashMap<>();
-        deviceFlowRegistry = new DeviceFlowRegistryImpl(dataBroker, deviceInfo.getNodeInstanceIdentifier());
-        deviceGroupRegistry = new DeviceGroupRegistryImpl();
-        deviceMeterRegistry = new DeviceMeterRegistryImpl();
-        messageSpy = conductor.getMessageIntelligenceAgency();
-        this.deviceManager = Preconditions.checkNotNull(manager);
-
-        packetInLimiter = new PacketInRateLimiter(primaryConnectionContext.getConnectionAdapter(),
-                /*initial*/ 1000, /*initial*/2000, messageSpy, REJECTED_DRAIN_FACTOR);
+    private boolean skipTableFeatures;
+    private boolean switchFeaturesMandatory;
+    private DeviceInfo deviceInfo;
+    private final ConvertorExecutor convertorExecutor;
+    private volatile ContextState state;
+    private ClusterInitializationPhaseHandler clusterInitializationPhaseHandler;
+    private final DeviceManager myManager;
+    private final DeviceInitializerProvider deviceInitializerProvider;
+    private final boolean useSingleLayerSerialization;
+    private boolean hasState;
+    private boolean isInitialTransactionSubmitted;
+
+    DeviceContextImpl(
+            @Nonnull final ConnectionContext primaryConnectionContext,
+            @Nonnull final DataBroker dataBroker,
+            @Nonnull final MessageSpy messageSpy,
+            @Nonnull final TranslatorLibrary translatorLibrary,
+            @Nonnull final DeviceManager contextManager,
+            final ConvertorExecutor convertorExecutor,
+            final boolean skipTableFeatures,
+            final HashedWheelTimer hashedWheelTimer,
+            final boolean useSingleLayerSerialization,
+            final DeviceInitializerProvider deviceInitializerProvider) {
+
+        this.primaryConnectionContext = primaryConnectionContext;
+        this.deviceInfo = primaryConnectionContext.getDeviceInfo();
+        this.hashedWheelTimer = hashedWheelTimer;
+        this.deviceInitializerProvider = deviceInitializerProvider;
+        this.myManager = contextManager;
+        this.deviceState = new DeviceStateImpl();
+        this.dataBroker = dataBroker;
+        this.auxiliaryConnectionContexts = new HashMap<>();
+        this.messageSpy = messageSpy;
+
+        this.packetInLimiter = new PacketInRateLimiter(primaryConnectionContext.getConnectionAdapter(),
+                /*initial*/ LOW_WATERMARK, /*initial*/HIGH_WATERMARK, this.messageSpy, REJECTED_DRAIN_FACTOR);
 
         this.translatorLibrary = translatorLibrary;
-        portStatusTranslator = translatorLibrary.lookupTranslator(
+        this.portStatusTranslator = translatorLibrary.lookupTranslator(
                 new TranslatorKey(deviceInfo.getVersion(), PortGrouping.class.getName()));
-        packetInTranslator = translatorLibrary.lookupTranslator(
+        this.packetInTranslator = translatorLibrary.lookupTranslator(
                 new TranslatorKey(deviceInfo.getVersion(), PacketIn.class.getName()));
-        flowRemovedTranslator = translatorLibrary.lookupTranslator(
+        this.flowRemovedTranslator = translatorLibrary.lookupTranslator(
                 new TranslatorKey(deviceInfo.getVersion(), FlowRemoved.class.getName()));
 
-        itemLifeCycleSourceRegistry = new ItemLifeCycleRegistryImpl();
-        flowLifeCycleKeeper = new ItemLifeCycleSourceImpl();
-        itemLifeCycleSourceRegistry.registerLifeCycleSource(flowLifeCycleKeeper);
-        contextState = CONTEXT_STATE.INITIALIZATION;
-    }
-
-    /**
-     * This method is called from {@link DeviceManagerImpl} only. So we could say "posthandshake process finish"
-     * and we are able to set a scheduler for an automatic transaction submitting by time (0,5sec).
-     */
-    void initialSubmitTransaction() {
-        transactionChainManager.initialSubmitWriteTransaction();
+        this.itemLifeCycleSourceRegistry = new ItemLifeCycleRegistryImpl();
+        this.flowLifeCycleKeeper = new ItemLifeCycleSourceImpl();
+        this.itemLifeCycleSourceRegistry.registerLifeCycleSource(flowLifeCycleKeeper);
+        this.state = ContextState.INITIALIZATION;
+        this.convertorExecutor = convertorExecutor;
+        this.skipTableFeatures = skipTableFeatures;
+        this.useSingleLayerSerialization = useSingleLayerSerialization;
+        this.initialized = false;
+        writerProvider = MultipartWriterProviderFactory.createDefaultProvider(this);
     }
 
     @Override
-    public Long reserveXidForDeviceMessage() {
-        return outboundQueueProvider.reserveEntry();
+    public boolean initialSubmitTransaction() {
+        return (initialized &&(isInitialTransactionSubmitted =
+                transactionChainManager.initialSubmitWriteTransaction()));
     }
 
     @Override
@@ -203,7 +240,7 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
     public void removeAuxiliaryConnectionContext(final ConnectionContext connectionContext) {
         final SwitchConnectionDistinguisher connectionDistinguisher = createConnectionDistinguisher(connectionContext);
         LOG.debug("auxiliary connection dropped: {}, nodeId:{}", connectionContext.getConnectionAdapter()
-                .getRemoteAddress(), deviceInfo.getNodeId());
+                .getRemoteAddress(), getDeviceInfo().getLOGValue());
         auxiliaryConnectionContexts.remove(connectionDistinguisher);
     }
 
@@ -213,37 +250,43 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
     }
 
     @Override
-    public DeviceInfo getDeviceInfo() {
-        return this.deviceInfo;
+    public ReadOnlyTransaction getReadTransaction() {
+        return dataBroker.newReadOnlyTransaction();
     }
 
     @Override
-    public ReadOnlyTransaction getReadTransaction() {
-        return dataBroker.newReadOnlyTransaction();
+    public boolean isTransactionsEnabled() {
+        return isInitialTransactionSubmitted;
     }
 
     @Override
     public <T extends DataObject> void writeToTransaction(final LogicalDatastoreType store,
                                                           final InstanceIdentifier<T> path,
                                                           final T data){
-        transactionChainManager.writeToTransaction(store, path, data, false);
+        if (initialized) {
+            transactionChainManager.writeToTransaction(store, path, data, false);
+        }
     }
 
     @Override
     public <T extends DataObject> void writeToTransactionWithParentsSlow(final LogicalDatastoreType store,
                                                                          final InstanceIdentifier<T> path,
                                                                          final T data){
-        transactionChainManager.writeToTransaction(store, path, data, true);
+        if (initialized) {
+            transactionChainManager.writeToTransaction(store, path, data, true);
+        }
     }
 
     @Override
-    public <T extends DataObject> void addDeleteToTxChain(final LogicalDatastoreType store, final InstanceIdentifier<T> path) throws TransactionChainClosedException {
-        transactionChainManager.addDeleteOperationTotTxChain(store, path);
+    public <T extends DataObject> void addDeleteToTxChain(final LogicalDatastoreType store, final InstanceIdentifier<T> path) {
+        if (initialized) {
+            transactionChainManager.addDeleteOperationTotTxChain(store, path);
+        }
     }
 
     @Override
     public boolean submitTransaction() {
-        return transactionChainManager.submitWriteTransaction();
+        return initialized && transactionChainManager.submitWriteTransaction();
     }
 
     @Override
@@ -252,7 +295,7 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
     }
 
     @Override
-    public ConnectionContext getAuxiliaryConnectiobContexts(final BigInteger cookie) {
+    public ConnectionContext getAuxiliaryConnectionContexts(final BigInteger cookie) {
         return auxiliaryConnectionContexts.get(new SwitchConnectionCookieOFImpl(cookie.longValue()));
     }
 
@@ -273,18 +316,20 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
 
     @Override
     public void processReply(final OfHeader ofHeader) {
-        if (ofHeader instanceof Error) {
-            messageSpy.spyMessage(ofHeader.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_FAILURE);
-        } else {
-            messageSpy.spyMessage(ofHeader.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_SUCCESS);
-        }
+        messageSpy.spyMessage(
+                ofHeader.getImplementedInterface(),
+                (ofHeader instanceof Error)
+                        ? MessageSpy.StatisticsGroup.FROM_SWITCH_PUBLISHED_FAILURE
+                        : MessageSpy.StatisticsGroup.FROM_SWITCH_PUBLISHED_SUCCESS);
     }
 
     @Override
-    public void processReply(final Xid xid, final List<MultipartReply> ofHeaderList) {
-        for (final MultipartReply multipartReply : ofHeaderList) {
-            messageSpy.spyMessage(multipartReply.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_FAILURE);
-        }
+    public void processReply(final Xid xid, final List<? extends OfHeader> ofHeaderList) {
+        ofHeaderList.forEach(header -> messageSpy.spyMessage(
+                header.getImplementedInterface(),
+                (header instanceof Error)
+                        ? MessageSpy.StatisticsGroup.FROM_SWITCH_PUBLISHED_FAILURE
+                        : MessageSpy.StatisticsGroup.FROM_SWITCH_PUBLISHED_SUCCESS));
     }
 
     @Override
@@ -293,19 +338,19 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
         final org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemoved flowRemovedNotification =
                 flowRemovedTranslator.translate(flowRemoved, deviceInfo, null);
 
-        if(!deviceManager.getIsNotificationFlowRemovedOff()) {
+        if(myManager.isFlowRemovedNotificationOn()) {
             // Trigger off a notification
             notificationPublishService.offerNotification(flowRemovedNotification);
         } else if(LOG.isDebugEnabled()) {
-            LOG.debug("For nodeId={} isNotificationFlowRemovedOff={}", getDeviceInfo().getNodeId(), deviceManager.getIsNotificationFlowRemovedOff());
+            LOG.debug("For nodeId={} isNotificationFlowRemovedOn={}", getDeviceInfo().getLOGValue(), myManager.isFlowRemovedNotificationOn());
         }
 
         final ItemLifecycleListener itemLifecycleListener = flowLifeCycleKeeper.getItemLifecycleListener();
         if (itemLifecycleListener != null) {
             //2. create registry key
-            final FlowRegistryKey flowRegKey = FlowRegistryKeyFactory.create(flowRemovedNotification);
+            final FlowRegistryKey flowRegKey = FlowRegistryKeyFactory.create(getDeviceInfo().getVersion(), flowRemovedNotification);
             //3. lookup flowId
-            final FlowDescriptor flowDescriptor = deviceFlowRegistry.retrieveIdForFlow(flowRegKey);
+            final FlowDescriptor flowDescriptor = deviceFlowRegistry.retrieveDescriptor(flowRegKey);
             //4. if flowId present:
             if (flowDescriptor != null) {
                 // a) construct flow path
@@ -324,58 +369,70 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
 
     @Override
     public void processPortStatusMessage(final PortStatusMessage portStatus) {
-        messageSpy.spyMessage(portStatus.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_SUCCESS);
-        final FlowCapableNodeConnector flowCapableNodeConnector = portStatusTranslator.translate(portStatus, deviceInfo, null);
-
-        final KeyedInstanceIdentifier<NodeConnector, NodeConnectorKey> iiToNodeConnector = provideIIToNodeConnector(portStatus.getPortNo(), portStatus.getVersion());
-        try {
-            if (portStatus.getReason().equals(PortReason.OFPPRADD) || portStatus.getReason().equals(PortReason.OFPPRMODIFY)) {
-                // because of ADD status node connector has to be created
-                final NodeConnectorBuilder nConnectorBuilder = new NodeConnectorBuilder().setKey(iiToNodeConnector.getKey());
-                nConnectorBuilder.addAugmentation(FlowCapableNodeConnectorStatisticsData.class, new FlowCapableNodeConnectorStatisticsDataBuilder().build());
-                nConnectorBuilder.addAugmentation(FlowCapableNodeConnector.class, flowCapableNodeConnector);
-                writeToTransaction(LogicalDatastoreType.OPERATIONAL, iiToNodeConnector, nConnectorBuilder.build());
-            } else if (portStatus.getReason().equals(PortReason.OFPPRDELETE)) {
-                addDeleteToTxChain(LogicalDatastoreType.OPERATIONAL, iiToNodeConnector);
+        messageSpy.spyMessage(portStatus.getImplementedInterface(), MessageSpy.StatisticsGroup.FROM_SWITCH_PUBLISHED_SUCCESS);
+
+        if (initialized) {
+            try {
+                writePortStatusMessage(portStatus);
+                submitTransaction();
+            } catch (final Exception e) {
+                LOG.warn("Error processing port status message for port {} on device {}",
+                        portStatus.getPortNo(), getDeviceInfo().getLOGValue(), e);
             }
-            submitTransaction();
-        } catch (final Exception e) {
-            LOG.warn("Error processing port status message: ", e);
+        } else if (!hasState) {
+            primaryConnectionContext.handlePortStatusMessage(portStatus);
         }
     }
 
-    private KeyedInstanceIdentifier<NodeConnector, NodeConnectorKey> provideIIToNodeConnector(final long portNo, final short version) {
-        final InstanceIdentifier<Node> iiToNodes = deviceInfo.getNodeInstanceIdentifier();
-        final BigInteger dataPathId = deviceInfo.getDatapathId();
-        final NodeConnectorId nodeConnectorId = NodeStaticReplyTranslatorUtil.nodeConnectorId(dataPathId.toString(), portNo, version);
-        return iiToNodes.child(NodeConnector.class, new NodeConnectorKey(nodeConnectorId));
+    private void writePortStatusMessage(final PortStatus portStatusMessage) {
+        final FlowCapableNodeConnector flowCapableNodeConnector = portStatusTranslator
+                .translate(portStatusMessage, getDeviceInfo(), null);
+
+        final KeyedInstanceIdentifier<NodeConnector, NodeConnectorKey> iiToNodeConnector = getDeviceInfo()
+                .getNodeInstanceIdentifier()
+                .child(NodeConnector.class, new NodeConnectorKey(InventoryDataServiceUtil
+                        .nodeConnectorIdfromDatapathPortNo(
+                                deviceInfo.getDatapathId(),
+                                portStatusMessage.getPortNo(),
+                                OpenflowVersion.get(deviceInfo.getVersion()))));
+
+        if (PortReason.OFPPRADD.equals(portStatusMessage.getReason()) || PortReason.OFPPRMODIFY.equals(portStatusMessage.getReason())) {
+            // because of ADD status node connector has to be created
+            writeToTransaction(LogicalDatastoreType.OPERATIONAL, iiToNodeConnector, new NodeConnectorBuilder()
+                    .setKey(iiToNodeConnector.getKey())
+                    .addAugmentation(FlowCapableNodeConnectorStatisticsData.class, new FlowCapableNodeConnectorStatisticsDataBuilder().build())
+                    .addAugmentation(FlowCapableNodeConnector.class, flowCapableNodeConnector)
+                    .build());
+        } else if (PortReason.OFPPRDELETE.equals(portStatusMessage.getReason())) {
+            addDeleteToTxChain(LogicalDatastoreType.OPERATIONAL, iiToNodeConnector);
+        }
     }
 
     @Override
     public void processPacketInMessage(final PacketInMessage packetInMessage) {
-        messageSpy.spyMessage(packetInMessage.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH);
+        messageSpy.spyMessage(packetInMessage.getImplementedInterface(), MessageSpy.StatisticsGroup.FROM_SWITCH);
         final ConnectionAdapter connectionAdapter = getPrimaryConnectionContext().getConnectionAdapter();
-        final PacketReceived packetReceived = packetInTranslator.translate(packetInMessage, deviceInfo, null);
+        final PacketReceived packetReceived = packetInTranslator.translate(packetInMessage, getDeviceInfo(), null);
 
         if (packetReceived == null) {
             LOG.debug("Received a null packet from switch {}", connectionAdapter.getRemoteAddress());
-            messageSpy.spyMessage(packetInMessage.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_TRANSLATE_SRC_FAILURE);
+            messageSpy.spyMessage(packetInMessage.getImplementedInterface(), MessageSpy.StatisticsGroup.FROM_SWITCH_TRANSLATE_SRC_FAILURE);
             return;
         } else {
-            messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_TRANSLATE_OUT_SUCCESS);
+            messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.StatisticsGroup.FROM_SWITCH_TRANSLATE_OUT_SUCCESS);
         }
 
         if (!packetInLimiter.acquirePermit()) {
             LOG.debug("Packet limited");
             // TODO: save packet into emergency slot if possible
-            messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PACKET_IN_LIMIT_REACHED_AND_DROPPED);
+            messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.StatisticsGroup.FROM_SWITCH_PACKET_IN_LIMIT_REACHED_AND_DROPPED);
             return;
         }
 
         final ListenableFuture<?> offerNotification = notificationPublishService.offerNotification(packetReceived);
         if (NotificationPublishService.REJECTED.equals(offerNotification)) {
             LOG.debug("notification offer rejected");
-            messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_NOTIFICATION_REJECTED);
+            messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.StatisticsGroup.FROM_SWITCH_NOTIFICATION_REJECTED);
             packetInLimiter.drainLowWaterMark();
             packetInLimiter.releasePermit();
             return;
@@ -384,13 +441,13 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
         Futures.addCallback(offerNotification, new FutureCallback<Object>() {
             @Override
             public void onSuccess(final Object result) {
-                messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_SUCCESS);
+                messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.StatisticsGroup.FROM_SWITCH_PUBLISHED_SUCCESS);
                 packetInLimiter.releasePermit();
             }
 
             @Override
             public void onFailure(final Throwable t) {
-                messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_NOTIFICATION_REJECTED);
+                messageSpy.spyMessage(packetReceived.getImplementedInterface(), MessageSpy.StatisticsGroup.FROM_SWITCH_NOTIFICATION_REJECTED);
                 LOG.debug("notification offer failed: {}", t.getMessage());
                 LOG.trace("notification offer failed..", t);
                 packetInLimiter.releasePermit();
@@ -403,13 +460,13 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
         // lookup converter
         final ExperimenterDataOfChoice vendorData = notification.getExperimenterDataOfChoice();
         final MessageTypeKey<? extends ExperimenterDataOfChoice> key = new MessageTypeKey<>(
-                deviceInfo.getVersion(),
+                getDeviceInfo().getVersion(),
                 (Class<? extends ExperimenterDataOfChoice>) vendorData.getImplementedInterface());
         final ConvertorMessageFromOFJava<ExperimenterDataOfChoice, MessagePath> messageConverter = extensionConverterProvider.getMessageConverter(key);
         if (messageConverter == null) {
             LOG.warn("custom converter for {}[OF:{}] not found",
                     notification.getExperimenterDataOfChoice().getImplementedInterface(),
-                    deviceInfo.getVersion());
+                    getDeviceInfo().getVersion());
             return;
         }
         // build notification
@@ -417,7 +474,7 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
         try {
             messageOfChoice = messageConverter.convert(vendorData, MessagePath.MESSAGE_NOTIFICATION);
             final ExperimenterMessageFromDevBuilder experimenterMessageFromDevBld = new ExperimenterMessageFromDevBuilder()
-                .setNode(new NodeRef(deviceInfo.getNodeInstanceIdentifier()))
+                    .setNode(new NodeRef(getDeviceInfo().getNodeInstanceIdentifier()))
                     .setExperimenterMessageOfChoice(messageOfChoice);
             // publish
             notificationPublishService.offerNotification(experimenterMessageFromDevBld.build());
@@ -431,15 +488,6 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
         return translatorLibrary;
     }
 
-    @Override
-    public synchronized void close() {
-        LOG.debug("closing deviceContext: {}, nodeId:{}",
-                getPrimaryConnectionContext().getConnectionAdapter().getRemoteAddress(),
-                getDeviceInfo().getNodeId());
-        // NOOP
-        throw new UnsupportedOperationException("Autocloseble.close will be removed soon");
-    }
-
     @Override
     public void setCurrentBarrierTimeout(final Timeout timeout) {
         barrierTaskTimeout = timeout;
@@ -462,17 +510,14 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
 
     @Override
     public void onPublished() {
-        Verify.verify(CONTEXT_STATE.INITIALIZATION.equals(contextState));
-        contextState = CONTEXT_STATE.WORKING;
+        Verify.verify(ContextState.INITIALIZATION.equals(getState()));
+        this.state = ContextState.WORKING;
         primaryConnectionContext.getConnectionAdapter().setPacketInFiltering(false);
-        for (final ConnectionContext switchAuxConnectionContext : auxiliaryConnectionContexts.values()) {
-            switchAuxConnectionContext.getConnectionAdapter().setPacketInFiltering(false);
-        }
     }
 
     @Override
-    public MultiMsgCollector getMultiMsgCollector(final RequestContext<List<MultipartReply>> requestContext) {
-        return new MultiMsgCollectorImpl(this, requestContext);
+    public <T extends OfHeader> MultiMsgCollector<T> getMultiMsgCollector(final RequestContext<List<T>> requestContext) {
+        return new MultiMsgCollectorImpl<>(this, requestContext);
     }
 
     @Override
@@ -497,33 +542,41 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
 
     @Override
     public synchronized void shutdownConnection() {
-        LOG.debug("Shutdown method for node {}", deviceInfo.getNodeId());
-        if (CONTEXT_STATE.TERMINATION.equals(contextState)) {
-            LOG.debug("DeviceCtx for Node {} is in termination process.", deviceInfo.getNodeId());
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("Shutdown method for node {}", getDeviceInfo().getLOGValue());
+        }
+        if (ContextState.TERMINATION.equals(getState())) {
+            LOG.debug("DeviceCtx for Node {} is in termination process.", getDeviceInfo().getLOGValue());
             return;
         }
-        contextState = CONTEXT_STATE.TERMINATION;
 
         if (ConnectionContext.CONNECTION_STATE.RIP.equals(getPrimaryConnectionContext().getConnectionState())) {
-            LOG.debug("ConnectionCtx for Node {} is in RIP state.", deviceInfo.getNodeId());
+            LOG.debug("ConnectionCtx for Node {} is in RIP state.", getDeviceInfo().getLOGValue());
             return;
         }
-        /* Terminate Auxiliary Connection */
+
+        // Terminate Auxiliary Connection
         for (final ConnectionContext connectionContext : auxiliaryConnectionContexts.values()) {
             LOG.debug("Closing auxiliary connection {}", connectionContext.getNodeId());
             connectionContext.closeConnection(false);
         }
-        /* Terminate Primary Connection */
+
+        // Terminate Primary Connection
         getPrimaryConnectionContext().closeConnection(true);
-        /* Close all Group Registry */
-        deviceGroupRegistry.close();
-        deviceFlowRegistry.close();
-        deviceMeterRegistry.close();
+
+        // Close all datastore registries
+        if (initialized) {
+            deviceGroupRegistry.close();
+            deviceFlowRegistry.close();
+            deviceMeterRegistry.close();
+        }
     }
 
     @Override
     public ListenableFuture<Void> shuttingDownDataStoreTransactions() {
-        return transactionChainManager.shuttingDown();
+        return initialized
+                ? this.transactionChainManager.shuttingDown()
+                : Futures.immediateFuture(null);
     }
 
     @VisibleForTesting
@@ -532,7 +585,242 @@ public class DeviceContextImpl implements DeviceContext, ExtensionConverterProvi
     }
 
     @Override
-    public CONTEXT_STATE getState() {
-        return this.contextState;
+    public void setSwitchFeaturesMandatory(boolean switchFeaturesMandatory) {
+        this.switchFeaturesMandatory = switchFeaturesMandatory;
+    }
+
+    @Override
+    public ContextState getState() {
+        return this.state;
+    }
+
+    @Override
+    public ListenableFuture<Void> stopClusterServices() {
+        return initialized
+                ? transactionChainManager.deactivateTransactionManager()
+                : Futures.immediateFuture(null);
+    }
+
+    @Override
+    public ServiceGroupIdentifier getServiceIdentifier() {
+        return this.deviceInfo.getServiceIdentifier();
+    }
+
+    @Override
+    public DeviceInfo getDeviceInfo() {
+        return this.deviceInfo;
+    }
+
+    @Override
+    public void close() {
+        //NOOP
+    }
+
+    @Override
+    public boolean canUseSingleLayerSerialization() {
+        return useSingleLayerSerialization && getDeviceInfo().getVersion() >= OFConstants.OFP_VERSION_1_3;
+    }
+
+    @Override
+    public boolean isSkipTableFeatures() {
+        return this.skipTableFeatures;
+    }
+
+    @Override
+    public void setSalRoleService(@Nonnull SalRoleService salRoleService) {
+        this.salRoleService = salRoleService;
+    }
+
+    @Override
+    public void setLifecycleInitializationPhaseHandler(final ClusterInitializationPhaseHandler handler) {
+        this.clusterInitializationPhaseHandler = handler;
     }
+
+    @Override
+    public boolean onContextInstantiateService(final MastershipChangeListener mastershipChangeListener) {
+
+        LOG.info("Starting device context cluster services for node {}", deviceInfo.getLOGValue());
+        lazyTransactionManagerInitialization();
+
+        try {
+            final List<PortStatusMessage> portStatusMessages = primaryConnectionContext
+                    .retrieveAndClearPortStatusMessages();
+
+            portStatusMessages.forEach(this::writePortStatusMessage);
+            submitTransaction();
+        } catch (final Exception ex) {
+            LOG.warn("Error processing port status messages from device {}", getDeviceInfo().getLOGValue(), ex);
+            return false;
+        }
+
+        try {
+            final java.util.Optional<AbstractDeviceInitializer> initializer = deviceInitializerProvider
+                    .lookup(deviceInfo.getVersion());
+
+            if (initializer.isPresent()) {
+                initializer
+                        .get()
+                        .initialize(this, switchFeaturesMandatory, writerProvider, convertorExecutor)
+                        .get(DEVICE_INIT_TIMEOUT, TimeUnit.MILLISECONDS);
+            } else {
+                throw new ExecutionException(new ConnectionException("Unsupported version " + deviceInfo.getVersion()));
+            }
+        } catch (ExecutionException | InterruptedException | TimeoutException ex) {
+            LOG.warn("Device {} cannot be initialized: ", deviceInfo.getLOGValue(), ex);
+            return false;
+        }
+
+        Futures.addCallback(sendRoleChangeToDevice(OfpRole.BECOMEMASTER),
+                new RpcResultFutureCallback(mastershipChangeListener));
+
+        final ListenableFuture<List<Optional<FlowCapableNode>>> deviceFlowRegistryFill = getDeviceFlowRegistry().fill();
+        Futures.addCallback(deviceFlowRegistryFill,
+                new DeviceFlowRegistryCallback(deviceFlowRegistryFill, mastershipChangeListener));
+
+        return this.clusterInitializationPhaseHandler.onContextInstantiateService(mastershipChangeListener);
+    }
+
+    @VisibleForTesting
+    void lazyTransactionManagerInitialization() {
+        if (!this.initialized) {
+            if (LOG.isDebugEnabled()) {
+                LOG.debug("Transaction chain manager for node {} created", deviceInfo.getLOGValue());
+            }
+            this.transactionChainManager = new TransactionChainManager(dataBroker, deviceInfo);
+            this.deviceFlowRegistry = new DeviceFlowRegistryImpl(deviceInfo.getVersion(), dataBroker, deviceInfo.getNodeInstanceIdentifier());
+            this.deviceGroupRegistry = new DeviceGroupRegistryImpl();
+            this.deviceMeterRegistry = new DeviceMeterRegistryImpl();
+            this.transactionChainManager.activateTransactionManager();
+            this.initialized = true;
+        }
+    }
+
+    @Nullable
+    @Override
+    public <T> RequestContext<T> createRequestContext() {
+        return new AbstractRequestContext<T>(deviceInfo.reserveXidForDeviceMessage()) {
+            @Override
+            public void close() {
+            }
+        };
+
+    }
+
+    private ListenableFuture<RpcResult<SetRoleOutput>> sendRoleChangeToDevice(final OfpRole newRole) {
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("Sending new role {} to device {}", newRole, deviceInfo.getNodeId());
+        }
+
+        final Future<RpcResult<SetRoleOutput>> setRoleOutputFuture;
+
+        if (deviceInfo.getVersion() >= OFConstants.OFP_VERSION_1_3) {
+            final SetRoleInput setRoleInput = (new SetRoleInputBuilder()).setControllerRole(newRole)
+                    .setNode(new NodeRef(deviceInfo.getNodeInstanceIdentifier())).build();
+
+            setRoleOutputFuture = this.salRoleService.setRole(setRoleInput);
+
+            final TimerTask timerTask = timeout -> {
+                if (!setRoleOutputFuture.isDone()) {
+                    LOG.warn("New role {} was not propagated to device {} during {} sec", newRole, deviceInfo.getLOGValue(), SET_ROLE_TIMEOUT);
+                    setRoleOutputFuture.cancel(true);
+                }
+            };
+
+            hashedWheelTimer.newTimeout(timerTask, SET_ROLE_TIMEOUT, TimeUnit.SECONDS);
+        } else {
+            LOG.info("Device: {} with version: {} does not support role", deviceInfo.getLOGValue(), deviceInfo.getVersion());
+            return Futures.immediateFuture(null);
+        }
+
+        return JdkFutureAdapters.listenInPoolThread(setRoleOutputFuture);
+    }
+
+    @Override
+    public ListenableFuture<RpcResult<SetRoleOutput>> makeDeviceSlave() {
+        return sendRoleChangeToDevice(OfpRole.BECOMESLAVE);
+    }
+
+    @Override
+    public void onStateAcquired(final ContextChainState state) {
+        hasState = true;
+    }
+
+    private class RpcResultFutureCallback implements FutureCallback<RpcResult<SetRoleOutput>> {
+
+        private final MastershipChangeListener mastershipChangeListener;
+
+        RpcResultFutureCallback(final MastershipChangeListener mastershipChangeListener) {
+            this.mastershipChangeListener = mastershipChangeListener;
+        }
+
+        @Override
+        public void onSuccess(@Nullable RpcResult<SetRoleOutput> setRoleOutputRpcResult) {
+            this.mastershipChangeListener.onMasterRoleAcquired(
+                    deviceInfo,
+                    ContextChainMastershipState.MASTER_ON_DEVICE
+            );
+            if (LOG.isDebugEnabled()) {
+                LOG.debug("Role MASTER was successfully set on device, node {}", deviceInfo.getLOGValue());
+            }
+        }
+
+        @Override
+        public void onFailure(final Throwable throwable) {
+            mastershipChangeListener.onNotAbleToStartMastershipMandatory(
+                    deviceInfo,
+                    "Was not able to set MASTER role on device");
+        }
+    }
+
+    private class DeviceFlowRegistryCallback implements FutureCallback<List<Optional<FlowCapableNode>>> {
+        private final ListenableFuture<List<Optional<FlowCapableNode>>> deviceFlowRegistryFill;
+        private final MastershipChangeListener mastershipChangeListener;
+
+        DeviceFlowRegistryCallback(
+                ListenableFuture<List<Optional<FlowCapableNode>>> deviceFlowRegistryFill,
+                MastershipChangeListener mastershipChangeListener) {
+            this.deviceFlowRegistryFill = deviceFlowRegistryFill;
+            this.mastershipChangeListener = mastershipChangeListener;
+        }
+
+        @Override
+        public void onSuccess(@Nullable List<Optional<FlowCapableNode>> result) {
+            if (LOG.isDebugEnabled()) {
+                // Count all flows we read from datastore for debugging purposes.
+                // This number do not always represent how many flows were actually added
+                // to DeviceFlowRegistry, because of possible duplicates.
+                long flowCount = Optional.fromNullable(result).asSet().stream()
+                        .flatMap(Collection::stream)
+                        .filter(Objects::nonNull)
+                        .flatMap(flowCapableNodeOptional -> flowCapableNodeOptional.asSet().stream())
+                        .filter(Objects::nonNull)
+                        .filter(flowCapableNode -> Objects.nonNull(flowCapableNode.getTable()))
+                        .flatMap(flowCapableNode -> flowCapableNode.getTable().stream())
+                        .filter(Objects::nonNull)
+                        .filter(table -> Objects.nonNull(table.getFlow()))
+                        .flatMap(table -> table.getFlow().stream())
+                        .filter(Objects::nonNull)
+                        .count();
+
+                LOG.debug("Finished filling flow registry with {} flows for node: {}", flowCount, deviceInfo.getLOGValue());
+            }
+            this.mastershipChangeListener.onMasterRoleAcquired(deviceInfo, ContextChainMastershipState.INITIAL_FLOW_REGISTRY_FILL);
+        }
+
+        @Override
+        public void onFailure(Throwable t) {
+            if (deviceFlowRegistryFill.isCancelled()) {
+                if (LOG.isDebugEnabled()) {
+                    LOG.debug("Cancelled filling flow registry with flows for node: {}", deviceInfo.getLOGValue());
+                }
+            } else {
+                LOG.warn("Failed filling flow registry with flows for node: {} with exception: {}", deviceInfo.getLOGValue(), t);
+            }
+            mastershipChangeListener.onNotAbleToStartMastership(
+                    deviceInfo,
+                    "Was not able to fill flow registry on device",
+                    false);
+        }
+    }
+
 }