-/*
- * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
+/**
+ * Copyright (c) 2016 Pantheon Technologies s.r.o. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
*/
package org.opendaylight.openflowplugin.impl.lifecycle;
-import com.google.common.base.Optional;
+import com.google.common.base.MoreObjects;
+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.ListenableFuture;
-import java.util.Collection;
+import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
-import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
-import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
+import org.opendaylight.openflowplugin.api.openflow.OFPContext.ContextState;
import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
+import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
+import org.opendaylight.openflowplugin.api.openflow.device.handlers.ClusterInitializationPhaseHandler;
+import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceRemovedHandler;
import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleService;
-import org.opendaylight.openflowplugin.api.openflow.role.RoleContext;
-import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
-import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.MastershipChangeListener;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SetRoleOutput;
+import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
private static final Logger LOG = LoggerFactory.getLogger(LifecycleServiceImpl.class);
- private DeviceContext deviceContext;
- private RpcContext rpcContext;
- private RoleContext roleContext;
- private StatisticsContext statContext;
+ private final List<DeviceRemovedHandler> deviceRemovedHandlers = new ArrayList<>();
+ private final MastershipChangeListener mastershipChangeListener;
+ private final ExecutorService executorService;
private ClusterSingletonServiceRegistration registration;
-
+ private ClusterInitializationPhaseHandler clusterInitializationPhaseHandler;
+ private ServiceGroupIdentifier serviceGroupIdentifier;
+ private DeviceInfo deviceInfo;
+ private volatile ContextState state = ContextState.INITIALIZATION;
+
+ public LifecycleServiceImpl(@Nonnull final MastershipChangeListener mastershipChangeListener,
+ @Nonnull final ExecutorService executorService) {
+ this.mastershipChangeListener = mastershipChangeListener;
+ this.executorService = executorService;
+ }
@Override
- public void instantiateServiceInstance() {
- try {
-
- if (LOG.isDebugEnabled()) {
- LOG.debug("========== Starting clustering MASTER services for node {} ==========", this.deviceContext.getDeviceInfo().getLOGValue());
- }
-
- if (connectionInterrupted()) {
- return;
- }
-
- LOG.info("Starting device context cluster services for node {}", getIdentifier());
- this.deviceContext.startupClusterServices();
+ public void makeDeviceSlave(final DeviceContext deviceContext) {
+ deviceInfo = MoreObjects.firstNonNull(deviceInfo, deviceContext.getDeviceInfo());
- if (connectionInterrupted()) {
- return;
- }
-
- LOG.info("Starting statistics context cluster services for node {}", getIdentifier());
- this.statContext.startupClusterServices();
-
- if (connectionInterrupted()) {
- return;
- }
-
- LOG.info("Statistics initial gathering OK, submitting data for node {}", getIdentifier());
- this.deviceContext.initialSubmitTransaction();
-
- if (connectionInterrupted()) {
- return;
+ Futures.addCallback(deviceContext.makeDeviceSlave(), new FutureCallback<RpcResult<SetRoleOutput>>() {
+ @Override
+ public void onSuccess(@Nullable RpcResult<SetRoleOutput> setRoleOutputRpcResult) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Role SLAVE was successfully propagated on device, node {}",
+ deviceContext.getDeviceInfo().getLOGValue());
+ }
+ mastershipChangeListener.onSlaveRoleAcquired(deviceInfo);
}
- LOG.info("Starting rpc context cluster services for node {}", getIdentifier());
- this.rpcContext.startupClusterServices();
-
- if (connectionInterrupted()) {
- return;
+ @Override
+ public void onFailure(@Nonnull Throwable throwable) {
+ LOG.warn("Was not able to set role SLAVE to device on node {} ",
+ deviceContext.getDeviceInfo().getLOGValue());
+ mastershipChangeListener.onSlaveRoleNotAcquired(deviceInfo);
}
+ });
+ }
- LOG.info("Starting role context cluster services for node {}", getIdentifier());
- this.roleContext.startupClusterServices();
+ @Override
+ public void instantiateServiceInstance() {
+ executorService.submit(() -> {
+ LOG.info("Starting clustering services for node {}", deviceInfo.getLOGValue());
- if (connectionInterrupted()) {
- return;
+ if (!clusterInitializationPhaseHandler.onContextInstantiateService(mastershipChangeListener)) {
+ mastershipChangeListener.onNotAbleToStartMastershipMandatory(deviceInfo, "Cannot initialize device.");
}
-
- LOG.info("Caching flows IDs ...");
- fillDeviceFlowRegistry();
-
- } catch (ExecutionException | InterruptedException e) {
- LOG.warn("Cluster service {} was unable to start.", this.getIdentifier());
- this.deviceContext.shutdownConnection();
- }
- }
-
- private boolean connectionInterrupted() {
- if (this.deviceContext.getPrimaryConnectionContext().getConnectionState().equals(ConnectionContext.CONNECTION_STATE.RIP)) {
- LOG.warn("Node {} was disconnected, will stop starting MASTER services.", this.deviceContext.getDeviceInfo().getLOGValue());
- return true;
- }
- return false;
+ });
}
@Override
public ListenableFuture<Void> closeServiceInstance() {
- if (LOG.isDebugEnabled()) {
- LOG.debug("========== Stopping clustering MASTER services for node {} ==========", this.deviceContext.getDeviceInfo().getLOGValue());
- }
-
- final boolean connectionInterrupted =
- this.deviceContext
- .getPrimaryConnectionContext()
- .getConnectionState()
- .equals(ConnectionContext.CONNECTION_STATE.RIP);
-
- LOG.info("Stopping role context cluster services for node {}", getIdentifier());
- roleContext.stopClusterServices(connectionInterrupted);
-
- LOG.info("Stopping statistics context cluster services for node {}", getIdentifier());
- statContext.stopClusterServices(connectionInterrupted);
-
- LOG.info("Stopping rpc context cluster services for node {}", getIdentifier());
- rpcContext.stopClusterServices(connectionInterrupted);
-
- LOG.info("Stopping device context cluster services for node {}", getIdentifier());
- return deviceContext.stopClusterServices(connectionInterrupted);
+ LOG.info("Closing clustering services for node {}", deviceInfo.getLOGValue());
+ return Futures.immediateFuture(null);
}
@Override
+ @Nonnull
public ServiceGroupIdentifier getIdentifier() {
- return deviceContext.getServiceIdentifier();
+ return this.serviceGroupIdentifier;
}
-
@Override
- public void close() throws Exception {
- if (registration != null) {
- registration.close();
- registration = null;
+ public void close() {
+ if (ContextState.TERMINATION.equals(state)) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("LifecycleService for node {} is already in TERMINATION state.", deviceInfo.getLOGValue());
+ }
+ } else {
+ state = ContextState.TERMINATION;
+
+ // We are closing, so cleanup all managers now
+ deviceRemovedHandlers.forEach(h -> h.onDeviceRemoved(deviceInfo));
+
+ // If we are still registered and we are not already closing, then close the registration
+ if (Objects.nonNull(registration)) {
+ try {
+ LOG.info("Closing clustering services registration for node {}", deviceInfo.getLOGValue());
+ registration.close();
+ registration = null;
+ } catch (final Exception e) {
+ LOG.warn("Failed to close clustering services registration for node {} with exception: ",
+ deviceInfo.getLOGValue(), e);
+ }
+ }
}
}
@Override
- public void registerService(final ClusterSingletonServiceProvider singletonServiceProvider) {
- this.registration = singletonServiceProvider.registerClusterSingletonService(this);
- }
-
- @Override
- public void setDeviceContext(final DeviceContext deviceContext) {
- this.deviceContext = deviceContext;
+ public void registerService(@Nonnull final ClusterSingletonServiceProvider singletonServiceProvider,
+ @Nonnull final DeviceContext deviceContext) {
+ Verify.verify(Objects.isNull(registration));
+ this.clusterInitializationPhaseHandler = deviceContext;
+ this.serviceGroupIdentifier = deviceContext.getServiceIdentifier();
+ this.deviceInfo = deviceContext.getDeviceInfo();
+ this.registration = Verify.verifyNotNull(
+ singletonServiceProvider.registerClusterSingletonService(this));
+
+ LOG.info("Registered clustering services for node {}", deviceInfo.getLOGValue());
}
@Override
- public void setRpcContext(final RpcContext rpcContext) {
- this.rpcContext = rpcContext;
- }
-
- @Override
- public void setRoleContext(final RoleContext roleContext) {
- this.roleContext = roleContext;
- }
-
- @Override
- public void setStatContext(final StatisticsContext statContext) {
- this.statContext = statContext;
- }
-
- @Override
- public DeviceContext getDeviceContext() {
- return this.deviceContext;
- }
-
- @Override
- public void closeConnection() {
- this.deviceContext.shutdownConnection();
- }
-
- private void fillDeviceFlowRegistry() {
- // Fill device flow registry with flows from datastore
- final ListenableFuture<List<Optional<FlowCapableNode>>> deviceFlowRegistryFill = deviceContext.getDeviceFlowRegistry().fill();
-
- // Start statistics scheduling only after we finished initializing device flow registry
- Futures.addCallback(deviceFlowRegistryFill, new FutureCallback<List<Optional<FlowCapableNode>>>() {
- @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, deviceContext.getDeviceInfo().getLOGValue());
- }
- }
-
- @Override
- public void onFailure(Throwable t) {
- if (deviceFlowRegistryFill.isCancelled()) {
- LOG.debug("Cancelled filling flow registry with flows for node: {}", deviceContext.getDeviceInfo().getLOGValue());
- } else {
- LOG.warn("Failed filling flow registry with flows for node: {} with exception: {}", deviceContext.getDeviceInfo().getLOGValue(), t);
- }
- }
- });
+ public void registerDeviceRemovedHandler(@Nonnull final DeviceRemovedHandler deviceRemovedHandler) {
+ if (!deviceRemovedHandlers.contains(deviceRemovedHandler)) {
+ deviceRemovedHandlers.add(deviceRemovedHandler);
+ }
}
}
Code Review / openflowplugin.git / blobdiff