Merge "Technical Debt part 1"
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / device / DeviceManagerImpl.java
index 57e5096432038d03fd1c7da6968cb38233925a44..362dbe171418d6dec88ea25dd2fee6e1c96c355f 100644 (file)
@@ -8,15 +8,19 @@
 package org.opendaylight.openflowplugin.impl.device;
 
 import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Verify;
 import com.google.common.collect.Iterators;
+import com.google.common.util.concurrent.AsyncFunction;
 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.TimerTask;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.Iterator;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutionException;
@@ -25,7 +29,6 @@ import java.util.concurrent.TimeUnit;
 import javax.annotation.CheckForNull;
 import javax.annotation.Nonnull;
 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.WriteTransaction;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
@@ -37,17 +40,22 @@ 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.DeviceSynchronizeListener;
+import org.opendaylight.openflowplugin.api.openflow.device.DeviceValidListener;
 import org.opendaylight.openflowplugin.api.openflow.device.TranslatorLibrary;
 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceTerminationPhaseHandler;
 import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleConductor;
+import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
 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.listener.OpenflowProtocolListenerFullImpl;
+import org.opendaylight.openflowplugin.impl.util.DeviceInitializationUtils;
 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.nodes.Node;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.OfpRole;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -61,6 +69,7 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
 
     private final long globalNotificationQuota;
     private final boolean switchFeaturesMandatory;
+    private boolean isNotificationFlowRemovedOff;
 
     private final int spyRate = 10;
 
@@ -75,15 +84,18 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
     private final int barrierCountLimit;
     private ExtensionConverterProvider extensionConverterProvider;
     private ScheduledThreadPoolExecutor spyPool;
+    private Set<DeviceSynchronizeListener> deviceSynchronizedListeners;
+    private Set<DeviceValidListener> deviceValidListeners;
 
     private final LifecycleConductor conductor;
 
     public DeviceManagerImpl(@Nonnull final DataBroker dataBroker,
                              final long globalNotificationQuota, final boolean switchFeaturesMandatory,
                              final long barrierInterval, final int barrierCountLimit,
-                             final LifecycleConductor lifecycleConductor) {
+                             final LifecycleConductor lifecycleConductor, boolean isNotificationFlowRemovedOff) {
         this.switchFeaturesMandatory = switchFeaturesMandatory;
         this.globalNotificationQuota = globalNotificationQuota;
+        this.isNotificationFlowRemovedOff = isNotificationFlowRemovedOff;
         this.dataBroker = Preconditions.checkNotNull(dataBroker);
         /* merge empty nodes to oper DS to predict any problems with missing parent for Node */
         final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
@@ -103,6 +115,8 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
 
         this.conductor = lifecycleConductor;
         spyPool = new ScheduledThreadPoolExecutor(1);
+        this.deviceSynchronizedListeners = new HashSet<>();
+        this.deviceValidListeners = new HashSet<>();
     }
 
 
@@ -146,22 +160,24 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
         //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 DeviceState deviceState = new DeviceStateImpl();
+        final DeviceState deviceState = new DeviceStateImpl(deviceInfo);
+        this.addDeviceSynchronizeListener(deviceState);
+        this.addDeviceValidListener(deviceState);
+
         final DeviceContext deviceContext = new DeviceContextImpl(connectionContext,
                 deviceState,
                 dataBroker,
                 conductor,
                 outboundQueueProvider,
                 translatorLibrary,
-                switchFeaturesMandatory);
+                this);
 
         Verify.verify(deviceContexts.putIfAbsent(deviceInfo, deviceContext) == null, "DeviceCtx still not closed.");
 
@@ -173,10 +189,12 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
         final OpenflowProtocolListenerFullImpl messageListener = new OpenflowProtocolListenerFullImpl(
                 connectionAdapter, deviceContext);
         connectionAdapter.setMessageListener(messageListener);
-        deviceState.setValid(true);
+        notifyDeviceValidListeners(deviceInfo, true);
 
         deviceInitPhaseHandler.onDeviceContextLevelUp(connectionContext.getDeviceInfo());
 
+        notifyDeviceSynchronizeListeners(deviceInfo, true);
+
         return true;
     }
 
@@ -211,6 +229,7 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
         for (final Iterator<DeviceContext> iterator = Iterators.consumingIterator(deviceContexts.values().iterator());
                 iterator.hasNext();) {
             final DeviceContext deviceCtx = iterator.next();
+            notifyDeviceValidListeners(deviceCtx.getDeviceInfo(), false);
             deviceCtx.shutdownConnection();
             deviceCtx.shuttingDownDataStoreTransactions();
         }
@@ -233,11 +252,6 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
         spyPool.scheduleAtFixedRate(conductor.getMessageIntelligenceAgency(), spyRate, spyRate, TimeUnit.SECONDS);
     }
 
-    @Override
-    public DeviceContext getDeviceContextFromNodeId(DeviceInfo deviceInfo) {
-        return deviceContexts.get(deviceInfo);
-    }
-
     @Override
     public void setExtensionConverterProvider(final ExtensionConverterProvider extensionConverterProvider) {
         this.extensionConverterProvider = extensionConverterProvider;
@@ -257,7 +271,7 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
     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.getNodeId());
+        final DeviceContext deviceCtx = this.deviceContexts.get(deviceInfo);
 
         if (null == deviceCtx) {
             LOG.info("DeviceContext for Node {} was not found. Connection is terminated without OFP context suite.", deviceInfo.getNodeId());
@@ -268,6 +282,7 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
             /* Connection is not PrimaryConnection so try to remove from Auxiliary Connections */
             deviceCtx.removeAuxiliaryConnectionContext(connectionContext);
         } else {
+            notifyDeviceValidListeners(deviceInfo, false);
             /* Device is disconnected and so we need to close TxManager */
             final ListenableFuture<Void> future = deviceCtx.shuttingDownDataStoreTransactions();
             Futures.addCallback(future, new FutureCallback<Void>() {
@@ -304,4 +319,101 @@ public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProvi
     public <T extends OFPContext> T gainContext(final DeviceInfo deviceInfo) {
         return (T) deviceContexts.get(deviceInfo);
     }
+
+    @Override
+    public ListenableFuture<Void> onClusterRoleChange(final DeviceInfo deviceInfo, final OfpRole role) {
+        DeviceContext deviceContext = conductor.getDeviceContext(deviceInfo);
+        LOG.trace("onClusterRoleChange {} for node:", role, deviceInfo.getNodeId());
+        if (OfpRole.BECOMEMASTER.equals(role)) {
+            return onDeviceTakeClusterLeadership(deviceInfo);
+        }
+        return ((DeviceContextImpl)deviceContext).getTransactionChainManager().deactivateTransactionManager();
+    }
+
+    @Override
+    public void addDeviceSynchronizeListener(final DeviceSynchronizeListener deviceSynchronizeListener) {
+        this.deviceSynchronizedListeners.add(deviceSynchronizeListener);
+    }
+
+    @Override
+    public void notifyDeviceSynchronizeListeners(final DeviceInfo deviceInfo, final boolean deviceSynchronized) {
+        for (DeviceSynchronizeListener listener : deviceSynchronizedListeners) {
+            listener.deviceIsSynchronized(deviceInfo, deviceSynchronized);
+        }
+    }
+
+    @Override
+    public void addDeviceValidListener(final DeviceValidListener deviceValidListener) {
+        this.deviceValidListeners.add(deviceValidListener);
+    }
+
+    @Override
+    public void notifyDeviceValidListeners(final DeviceInfo deviceInfo, final boolean deviceValid) {
+        for (DeviceValidListener listener : deviceValidListeners) {
+            listener.deviceIsValid(deviceInfo, deviceValid);
+        }
+    }
+
+    @Override
+    public void setIsNotificationFlowRemovedOff(boolean isNotificationFlowRemovedOff) {
+        this.isNotificationFlowRemovedOff = isNotificationFlowRemovedOff;
+    }
+
+    @Override
+    public boolean getIsNotificationFlowRemovedOff() {
+        return this.isNotificationFlowRemovedOff;
+    }
+
+    private ListenableFuture<Void> onDeviceTakeClusterLeadership(final DeviceInfo deviceInfo) {
+        LOG.trace("onDeviceTakeClusterLeadership for node: {}", deviceInfo.getNodeId());
+        /* validation */
+        StatisticsContext statisticsContext = conductor.getStatisticsContext(deviceInfo);
+        if (statisticsContext == null) {
+            final String errMsg = String.format("DeviceCtx %s is up but we are missing StatisticsContext", deviceInfo.getDatapathId());
+            LOG.warn(errMsg);
+            return Futures.immediateFailedFuture(new IllegalStateException(errMsg));
+        }
+        DeviceContext deviceContext = conductor.getDeviceContext(deviceInfo);
+        /* Prepare init info collecting */
+        notifyDeviceSynchronizeListeners(deviceInfo, false);
+        ((DeviceContextImpl)deviceContext).getTransactionChainManager().activateTransactionManager();
+        /* Init Collecting NodeInfo */
+        final ListenableFuture<Void> initCollectingDeviceInfo = DeviceInitializationUtils.initializeNodeInformation(
+                deviceContext, switchFeaturesMandatory);
+        /* Init Collecting StatInfo */
+        final ListenableFuture<Boolean> statPollFuture = Futures.transform(initCollectingDeviceInfo,
+                new AsyncFunction<Void, Boolean>() {
+
+                    @Override
+                    public ListenableFuture<Boolean> apply(@Nonnull final Void input) throws Exception {
+                        statisticsContext.statListForCollectingInitialization();
+                        return statisticsContext.initialGatherDynamicData();
+                    }
+                });
+
+        return Futures.transform(statPollFuture, new Function<Boolean, Void>() {
+
+            @Override
+            public Void apply(final Boolean input) {
+                if (ConnectionContext.CONNECTION_STATE.RIP.equals(conductor.gainConnectionStateSafely(deviceInfo))) {
+                    final String errMsg = String.format("We lost connection for Device %s, context has to be closed.",
+                            deviceInfo.getNodeId());
+                    LOG.warn(errMsg);
+                    throw new IllegalStateException(errMsg);
+                }
+                if (!input) {
+                    final String errMsg = String.format("Get Initial Device %s information fails",
+                            deviceInfo.getNodeId());
+                    LOG.warn(errMsg);
+                    throw new IllegalStateException(errMsg);
+                }
+                LOG.debug("Get Initial Device {} information is successful", deviceInfo.getNodeId());
+                notifyDeviceSynchronizeListeners(deviceInfo, true);
+                ((DeviceContextImpl)deviceContext).getTransactionChainManager().initialSubmitWriteTransaction();
+                deviceContext.getDeviceState().setStatisticsPollingEnabledProp(true);
+                return null;
+            }
+        });
+    }
+
 }