/*
* Copyright (c) 2015 Cisco Systems, Inc. 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.ovsdb.southbound.ovsdb.transact;
import com.google.common.base.Optional;
import com.google.common.util.concurrent.CheckedFuture;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.ExecutionException;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BridgeOperationalState {
private static final Logger LOG = LoggerFactory.getLogger(BridgeOperationalState.class);
private final Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
public BridgeOperationalState(DataBroker db, AsyncDataChangeEvent<InstanceIdentifier<?>,
DataObject> changes) {
ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
if (nodeCreateOrUpdate != null) {
for (Entry<InstanceIdentifier<Node>, Node> entry: nodeCreateOrUpdate.entrySet()) {
CheckedFuture<Optional<Node>, ReadFailedException> nodeFuture =
transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey());
try {
Optional<Node> nodeOptional = nodeFuture.get();
if (nodeOptional.isPresent()) {
operationalNodes.put(entry.getKey(), nodeOptional.get());
}
} catch (InterruptedException | ExecutionException e) {
LOG.warn("Error reading from datastore",e);
}
}
}
transaction.close();
}
public BridgeOperationalState(DataBroker db, Collection<DataTreeModification<Node>> changes) {
ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdateOrRemove =
TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
for (Entry<InstanceIdentifier<Node>, Node> entry : nodeCreateOrUpdateOrRemove.entrySet()) {
try {
Optional<Node> nodeOptional = transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey())
.checkedGet();
if (nodeOptional.isPresent()) {
operationalNodes.put(entry.getKey(), nodeOptional.get());
}
} catch (ReadFailedException e) {
LOG.warn("Error reading from datastore", e);
}
}
}
public Optional<Node> getBridgeNode(InstanceIdentifier<?> iid) {
InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
return Optional.fromNullable(operationalNodes.get(nodeIid));
}
public Optional<OvsdbBridgeAugmentation> getOvsdbBridgeAugmentation(InstanceIdentifier<?> iid) {
Optional<Node> nodeOptional = getBridgeNode(iid);
if (nodeOptional.isPresent()) {
return Optional.fromNullable(nodeOptional.get().getAugmentation(OvsdbBridgeAugmentation.class));
}
return Optional.absent();
}
public Optional<TerminationPoint> getBridgeTerminationPoint(InstanceIdentifier<?> iid) {
if (iid != null) {
Optional<Node> nodeOptional = getBridgeNode(iid);
if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class);
if (key != null) {
for (TerminationPoint tp:nodeOptional.get().getTerminationPoint()) {
if (tp.getKey().equals(key)) {
return Optional.of(tp);
}
}
}
} else {
LOG.debug("TerminationPoints or Operational BridgeNode missing for {}", iid);
}
}
return Optional.absent();
}
public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
Optional<TerminationPoint> tpOptional = getBridgeTerminationPoint(iid);
if (tpOptional.isPresent()) {
return Optional.fromNullable(tpOptional.get().getAugmentation(OvsdbTerminationPointAugmentation.class));
}
return Optional.absent();
}
public Optional<ControllerEntry> getControllerEntry(InstanceIdentifier<?> iid) {
if (iid != null) {
Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
if (ovsdbBridgeOptional.isPresent() && ovsdbBridgeOptional.get().getControllerEntry() != null) {
ControllerEntryKey key = iid.firstKeyOf(ControllerEntry.class);
if (key != null) {
for (ControllerEntry entry: ovsdbBridgeOptional.get().getControllerEntry()) {
if (entry.getKey().equals(key)) {
return Optional.of(entry);
}
}
}
}
}
return Optional.absent();
}
public Optional<ProtocolEntry> getProtocolEntry(InstanceIdentifier<ProtocolEntry> iid) {
if (iid != null) {
Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
if (ovsdbBridgeOptional.isPresent() && ovsdbBridgeOptional.get().getProtocolEntry() != null) {
ProtocolEntryKey key = iid.firstKeyOf(ProtocolEntry.class);
if (key != null) {
for (ProtocolEntry entry: ovsdbBridgeOptional.get().getProtocolEntry()) {
if (entry.getKey().equals(key)) {
return Optional.of(entry);
}
}
}
}
}
return Optional.absent();
}
}