/*
* Copyright (c) 2015, 2017 China Telecom Beijing Research Institute 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.hwvtepsouthbound.transact;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import org.apache.commons.lang3.tuple.Pair;
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.ReadWriteTransaction;
import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionInstance;
import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepDeviceInfo;
import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
import org.opendaylight.ovsdb.lib.notation.UUID;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.EncapsulationTypeBase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepNodeName;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalLocatorAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalMcastMacs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalMcastMacsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalUcastMacs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalUcastMacsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitchesKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteMcastMacs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteMcastMacsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteUcastMacs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteUcastMacsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Switches;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.Tunnels;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelsKey;
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.yangtools.yang.binding.Identifiable;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
//TODO: need to be optimized, get entry by iid not name
public class HwvtepOperationalState {
private static final Logger LOG = LoggerFactory.getLogger(HwvtepOperationalState.class);
private Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
private ReadWriteTransaction transaction;
HashMap<InstanceIdentifier<TerminationPoint>, UUID> inflightLocators = new HashMap<>();
private HwvtepDeviceInfo deviceInfo;
private HwvtepConnectionInstance connectionInstance;
private Map<Class<? extends Identifiable>, Map<InstanceIdentifier, UUID>> currentTxUUIDs = new ConcurrentHashMap<>();
private Map<Class<? extends Identifiable>, Map<InstanceIdentifier, Boolean>> currentTxDeletedKeys = new ConcurrentHashMap<>();
/* stores the modified and deleted data for each child type of each node id
Map<nodeid , Pair < updated, deleted >
each updated/ deleted contains Map < child type, List<ChildData>>
child type is the child of hwvtep Global augmentation
*/
private Map<InstanceIdentifier<Node>,
Pair<Map<Class<? extends Identifiable>, List<Identifiable>>,
Map<Class<? extends Identifiable>, List<Identifiable>>>> modifiedData = new HashMap<>();
private boolean inReconciliation = false;
private final DataBroker db;
private final Collection<DataTreeModification<Node>> changes;
public HwvtepOperationalState(DataBroker db, HwvtepConnectionInstance connectionInstance,
Collection<DataTreeModification<Node>> changes) {
this.connectionInstance = connectionInstance;
this.deviceInfo = connectionInstance.getDeviceInfo();
this.db = db;
this.changes = changes;
this.transaction = db.newReadWriteTransaction();
}
public HwvtepOperationalState(HwvtepConnectionInstance connectionInstance) {
this.connectionInstance = connectionInstance;
this.deviceInfo = connectionInstance.getDeviceInfo();
this.db = connectionInstance.getDataBroker();
this.changes = null;
transaction = connectionInstance.getDataBroker().newReadWriteTransaction();
Optional<Node> readNode = HwvtepSouthboundUtil.readNode(transaction,
connectionInstance.getInstanceIdentifier());
if (readNode.isPresent()) {
operationalNodes.put(connectionInstance.getInstanceIdentifier(), readNode.get());
}
}
public void readOperationalNodes() {
if (inReconciliation) {
return;
}
if (changes == null) {
LOG.warn("Could not read operational nodes for {} as changes is",
connectionInstance.getNodeId().getValue());
return;
}
Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
if (nodeCreateOrUpdate != null) {
transaction = db.newReadWriteTransaction();
for (Entry<InstanceIdentifier<Node>, Node> entry: nodeCreateOrUpdate.entrySet()) {
Optional<Node> readNode = HwvtepSouthboundUtil.readNode(transaction, entry.getKey());
//add related globalNode or physicalSwitchNode to operationalNodes map
//for example, when creating physical port, logical switch is needed
//but logical switch is in HwvtepGlobalAugmentation rather than PhysicalSwitchAugmentation
if (readNode.isPresent()) {
operationalNodes.put(entry.getKey(), readNode.get());
HwvtepGlobalAugmentation hgAugmentation = readNode.get().getAugmentation(HwvtepGlobalAugmentation.class);
PhysicalSwitchAugmentation psAugmentation = readNode.get().getAugmentation(PhysicalSwitchAugmentation.class);
if (hgAugmentation != null && hgAugmentation.getSwitches() != null) {
for (Switches pswitch : hgAugmentation.getSwitches()) {
@SuppressWarnings("unchecked")
InstanceIdentifier<Node> psNodeIid = (InstanceIdentifier<Node>) pswitch.getSwitchRef().getValue();
Optional<Node> psNode = HwvtepSouthboundUtil.readNode(transaction, psNodeIid);
if (psNode.isPresent()) {
operationalNodes.put(psNodeIid, psNode.get());
}
}
}
if (psAugmentation != null) {
@SuppressWarnings("unchecked")
InstanceIdentifier<Node> hgNodeIid = (InstanceIdentifier<Node>) psAugmentation.getManagedBy().getValue();
Optional<Node> hgNode = HwvtepSouthboundUtil.readNode(transaction, hgNodeIid);
if (hgNode.isPresent()) {
operationalNodes.put(hgNodeIid, hgNode.get());
}
}
}
}
}
}
public Optional<Node> getGlobalNode(InstanceIdentifier<?> iid) {
InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
return Optional.fromNullable(operationalNodes.get(nodeIid));
}
public Optional<HwvtepGlobalAugmentation> getHwvtepGlobalAugmentation(InstanceIdentifier<?> iid) {
Preconditions.checkNotNull(iid);
Optional<Node> nodeOptional = getGlobalNode(iid);
if (nodeOptional.isPresent()) {
return Optional.fromNullable(nodeOptional.get().getAugmentation(HwvtepGlobalAugmentation.class));
}
return Optional.absent();
}
public Optional<PhysicalSwitchAugmentation> getPhysicalSwitchAugmentation(InstanceIdentifier<?> iid) {
Preconditions.checkNotNull(iid);
Optional<Node> nodeOptional = getGlobalNode(iid);
if (nodeOptional.isPresent()) {
return Optional.fromNullable(nodeOptional.get().getAugmentation(PhysicalSwitchAugmentation.class));
}
return Optional.absent();
}
public Optional<List<TerminationPoint>> getTerminationPointList(InstanceIdentifier<?> iid) {
Preconditions.checkNotNull(iid);
Optional<Node> nodeOptional = getGlobalNode(iid);
if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
return Optional.fromNullable(nodeOptional.get().getTerminationPoint());
}
return Optional.absent();
}
public Optional<LogicalSwitches> getLogicalSwitches(InstanceIdentifier<?> iid, LogicalSwitchesKey logicalSwitchesKey) {
Preconditions.checkNotNull(iid);
Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
if (nodeOptional.isPresent()) {
HwvtepGlobalAugmentation hgAugmentation = nodeOptional.get();
List<LogicalSwitches> lswitchList = null;
if (hgAugmentation != null) {
lswitchList = hgAugmentation.getLogicalSwitches();
}
if (lswitchList != null) {
for (LogicalSwitches lswitch: lswitchList) {
if (lswitch.getKey().equals(logicalSwitchesKey)) {
return Optional.fromNullable(lswitch);
}
}
}
}
return Optional.absent();
}
public Optional<Tunnels> getTunnels(InstanceIdentifier<?> iid, TunnelsKey tunnelsKey) {
Preconditions.checkNotNull(iid);
Optional<PhysicalSwitchAugmentation> psOptional = getPhysicalSwitchAugmentation(iid);
if (psOptional.isPresent()) {
PhysicalSwitchAugmentation psAugmentation = psOptional.get();
List<Tunnels> tunnelList = null;
if (psAugmentation != null) {
tunnelList = psAugmentation.getTunnels();
}
if (tunnelList != null) {
for (Tunnels tunnel: tunnelList) {
if (tunnel.getKey().equals(tunnelsKey)) {
return Optional.fromNullable(tunnel);
}
}
}
}
return Optional.absent();
}
public Optional<HwvtepPhysicalPortAugmentation> getPhysicalPortAugmentation(InstanceIdentifier<?> iid,
HwvtepNodeName hwvtepNodeName) {
Preconditions.checkNotNull(iid);
Optional<List<TerminationPoint>> nodeOptional = getTerminationPointList(iid);
if (nodeOptional.isPresent()) {
List<TerminationPoint> tpList = nodeOptional.get();
for (TerminationPoint tp : tpList) {
HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
if (hppAugmentation != null && hppAugmentation.getHwvtepNodeName().equals(hwvtepNodeName)) {
return Optional.fromNullable(hppAugmentation);
}
}
}
return Optional.absent();
}
public Optional<HwvtepPhysicalLocatorAugmentation> getPhysicalLocatorAugmentation(InstanceIdentifier<?> iid,
IpAddress dstIp, Class<? extends EncapsulationTypeBase> encapType) {
Preconditions.checkNotNull(iid);
Optional<List<TerminationPoint>> nodeOptional = getTerminationPointList(iid);
if (nodeOptional.isPresent()) {
List<TerminationPoint> tpList = nodeOptional.get();
for (TerminationPoint tp : tpList) {
HwvtepPhysicalLocatorAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalLocatorAugmentation.class);
if (hppAugmentation != null && hppAugmentation.getDstIp().equals(dstIp)
&& hppAugmentation.getEncapsulationType().equals(encapType)) {
return Optional.fromNullable(hppAugmentation);
}
}
}
return Optional.absent();
}
public Optional<LocalMcastMacs> getLocalMcastMacs(InstanceIdentifier<?> iid, LocalMcastMacsKey key) {
Preconditions.checkNotNull(iid);
Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
if (nodeOptional.isPresent()) {
HwvtepGlobalAugmentation hgAugmentation = nodeOptional.get();
List<LocalMcastMacs> macList = null;
if (hgAugmentation != null) {
macList = hgAugmentation.getLocalMcastMacs();
}
if (macList != null) {
for (LocalMcastMacs mac: macList) {
if (mac.getKey().equals(key)) {
return Optional.fromNullable(mac);
}
}
}
}
return Optional.absent();
}
public Optional<RemoteMcastMacs> getRemoteMcastMacs(InstanceIdentifier<?> iid, RemoteMcastMacsKey key) {
Preconditions.checkNotNull(iid);
Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
if (nodeOptional.isPresent()) {
HwvtepGlobalAugmentation hgAugmentation = nodeOptional.get();
List<RemoteMcastMacs> macList = null;
if (hgAugmentation != null) {
macList = hgAugmentation.getRemoteMcastMacs();
}
if (macList != null) {
for (RemoteMcastMacs mac: macList) {
if (mac.getKey().equals(key)) {
return Optional.fromNullable(mac);
}
}
}
}
return Optional.absent();
}
public Optional<LocalUcastMacs> getLocalUcastMacs(InstanceIdentifier<?> iid, LocalUcastMacsKey key) {
Preconditions.checkNotNull(iid);
Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
if (nodeOptional.isPresent()) {
HwvtepGlobalAugmentation hgAugmentation = nodeOptional.get();
List<LocalUcastMacs> macList = null;
if (hgAugmentation != null) {
macList = hgAugmentation.getLocalUcastMacs();
}
if (macList != null) {
for (LocalUcastMacs mac: macList) {
if (mac.getKey().equals(key)) {
return Optional.fromNullable(mac);
}
}
}
}
return Optional.absent();
}
public Optional<RemoteUcastMacs> getRemoteUcastMacs(InstanceIdentifier<?> iid, RemoteUcastMacsKey key) {
Preconditions.checkNotNull(iid);
Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
if (nodeOptional.isPresent()) {
HwvtepGlobalAugmentation hgAugmentation = nodeOptional.get();
List<RemoteUcastMacs> macList = null;
if (hgAugmentation != null) {
macList = hgAugmentation.getRemoteUcastMacs();
}
if (macList != null) {
for (RemoteUcastMacs mac: macList) {
if (mac.getKey().equals(key)) {
return Optional.fromNullable(mac);
}
}
}
}
return Optional.absent();
}
public Optional<HwvtepPhysicalLocatorAugmentation> getPhysicalLocatorAugmentation(InstanceIdentifier<TerminationPoint> iid) {
Optional<TerminationPoint> tp = HwvtepSouthboundUtil.readNode(transaction, iid);
if (tp.isPresent()) {
return Optional.fromNullable(tp.get().getAugmentation(HwvtepPhysicalLocatorAugmentation.class));
}
return Optional.absent();
}
public Optional<LogicalSwitches> getLogicalSwitches(InstanceIdentifier<LogicalSwitches> iid) {
Optional<LogicalSwitches> lswitch = HwvtepSouthboundUtil.readNode(transaction, iid);
return lswitch;
}
public Optional<Tunnels> getTunnels(InstanceIdentifier<Tunnels> iid) {
Optional<Tunnels> tunnels = HwvtepSouthboundUtil.readNode(transaction, iid);
return tunnels;
}
public ReadWriteTransaction getReadWriteTransaction() {
return transaction;
}
public void setPhysicalLocatorInFlight(InstanceIdentifier<TerminationPoint> iid,
UUID uuid) {
inflightLocators.put(iid, uuid);
}
public UUID getPhysicalLocatorInFlight(InstanceIdentifier<TerminationPoint> iid) {
return inflightLocators.get(iid);
}
public HwvtepConnectionInstance getConnectionInstance() {
return connectionInstance;
}
public HwvtepDeviceInfo getDeviceInfo() {
return deviceInfo;
}
public void updateCurrentTxData(Class<? extends Identifiable> cls, InstanceIdentifier key, UUID uuid) {
HwvtepSouthboundUtil.updateData(currentTxUUIDs, cls, key, uuid);
}
public void updateCurrentTxDeleteData(Class<? extends Identifiable> cls, InstanceIdentifier key) {
HwvtepSouthboundUtil.updateData(currentTxDeletedKeys, cls, key, Boolean.TRUE);
}
public UUID getUUIDFromCurrentTx(Class<? extends Identifiable> cls, InstanceIdentifier key) {
return HwvtepSouthboundUtil.getData(currentTxUUIDs, cls, key);
}
public boolean isKeyPartOfCurrentTx(Class<? extends Identifiable> cls, InstanceIdentifier key) {
return HwvtepSouthboundUtil.containsKey(currentTxUUIDs, cls, key);
}
public Set<InstanceIdentifier> getDeletedKeysInCurrentTx(Class<? extends Identifiable> cls) {
if (currentTxDeletedKeys.containsKey(cls)) {
return currentTxDeletedKeys.get(cls).keySet();
}
return Collections.EMPTY_SET;
}
public List<? extends Identifiable> getUpdatedData(final InstanceIdentifier<Node> key,
final Class<? extends Identifiable> cls) {
List<Identifiable> result = null;
if (modifiedData.get(key) != null && modifiedData.get(key).getLeft() != null) {
result = modifiedData.get(key).getLeft().get(cls);
}
if (result == null) {
result = Collections.EMPTY_LIST;
}
return result;
}
public List<? extends Identifiable> getDeletedData(final InstanceIdentifier<Node> key,
final Class<? extends Identifiable> cls) {
List<Identifiable> result = null;
if (modifiedData.get(key) != null && modifiedData.get(key).getRight() != null) {
result = modifiedData.get(key).getRight().get(cls);
}
if (result == null) {
result = Collections.EMPTY_LIST;
}
return result;
}
public void setModifiedData(final Map<InstanceIdentifier<Node>,
Pair<Map<Class<? extends Identifiable>, List<Identifiable>>,
Map<Class<? extends Identifiable>, List<Identifiable>>>> modifiedData) {
this.modifiedData = modifiedData;
}
public boolean isInReconciliation() {
return inReconciliation;
}
public void setInReconciliation(boolean inReconciliation) {
this.inReconciliation = inReconciliation;
}
}