--- /dev/null
+/*
+ * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. 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,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.vpnservice.fibmanager;
+
+import com.google.common.util.concurrent.Futures;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import com.google.common.util.concurrent.FutureCallback;
+import org.opendaylight.vpnservice.AbstractDataChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
+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.AsyncDataBroker.DataChangeScope;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.FibEntries;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import com.google.common.base.Optional;
+
+public class FibManager extends AbstractDataChangeListener<FibEntries> implements AutoCloseable{
+ private static final Logger LOG = LoggerFactory.getLogger(FibManager.class);
+ private ListenerRegistration<DataChangeListener> listenerRegistration;
+ private final DataBroker broker;
+
+ private static final FutureCallback<Void> DEFAULT_CALLBACK =
+ new FutureCallback<Void>() {
+ public void onSuccess(Void result) {
+ LOG.debug("Success in Datastore write operation");
+ }
+
+ public void onFailure(Throwable error) {
+ LOG.error("Error in Datastore write operation", error);
+ };
+ };
+
+ public FibManager(final DataBroker db) {
+ super(FibEntries.class);
+ broker = db;
+ registerListener(db);
+ }
+
+ @Override
+ public void close() throws Exception {
+ if (listenerRegistration != null) {
+ try {
+ listenerRegistration.close();
+ } catch (final Exception e) {
+ LOG.error("Error when cleaning up DataChangeListener.", e);
+ }
+ listenerRegistration = null;
+ }
+ LOG.info("Fib Manager Closed");
+ }
+
+ private void registerListener(final DataBroker db) {
+ try {
+ listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
+ getWildCardPath(), FibManager.this, DataChangeScope.SUBTREE);
+ } catch (final Exception e) {
+ LOG.error("FibManager DataChange listener registration fail!", e);
+ throw new IllegalStateException("FibManager registration Listener failed.", e);
+ }
+ }
+
+ @Override
+ protected void add(final InstanceIdentifier<FibEntries> identifier,
+ final FibEntries fibEntries) {
+ LOG.trace("key: " + identifier + ", value=" + fibEntries );
+ }
+
+ private <T extends DataObject> Optional<T> read(LogicalDatastoreType datastoreType,
+ InstanceIdentifier<T> path) {
+
+ ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
+
+ Optional<T> result = Optional.absent();
+ try {
+ result = tx.read(datastoreType, path).get();
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ return result;
+ }
+
+ private InstanceIdentifier<FibEntries> getWildCardPath() {
+ return InstanceIdentifier.create(FibEntries.class);
+ }
+
+ @Override
+ protected void remove(InstanceIdentifier<FibEntries> identifier, FibEntries del) {
+ LOG.trace("key: " + identifier + ", value=" + del );
+ }
+
+ @Override
+ protected void update(InstanceIdentifier<FibEntries> identifier, FibEntries original, FibEntries update) {
+ LOG.trace("key: " + identifier + ", original=" + original + ", update=" + update );
+ }
+
+ private <T extends DataObject> void asyncWrite(LogicalDatastoreType datastoreType,
+ InstanceIdentifier<T> path, T data, FutureCallback<Void> callback) {
+ WriteTransaction tx = broker.newWriteOnlyTransaction();
+ tx.put(datastoreType, path, data, true);
+ Futures.addCallback(tx.submit(), callback);
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. 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,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.vpnservice.fibmanager;
+
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
+import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class FibManagerProvider implements BindingAwareProvider, AutoCloseable {
+
+ private static final Logger LOG = LoggerFactory.getLogger(FibManagerProvider.class);
+
+ private FibManager fibManager;
+
+ @Override
+ public void onSessionInitiated(ProviderContext session) {
+ LOG.info("FibManagerProvider Session Initiated");
+ try {
+ final DataBroker dataBroker = session.getSALService(DataBroker.class);
+ fibManager = new FibManager(dataBroker);
+ } catch (Exception e) {
+ LOG.error("Error initializing services", e);
+ }
+ }
+
+ @Override
+ public void close() throws Exception {
+ LOG.info("FibManagerProvider Closed");
+ fibManager.close();
+ }
+
+}
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Code Review / vpnservice.git / commitdiff