*/
package org.opendaylight.bgpcep.pcep.topology.provider;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.ListenableFuture;
+import java.net.InetAddress;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
-import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
-
-import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
-import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
-import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
+import org.opendaylight.controller.config.yang.pcep.topology.provider.PCEPTopologyProviderRuntimeMXBean;
+import org.opendaylight.controller.config.yang.pcep.topology.provider.PCEPTopologyProviderRuntimeRegistration;
+import org.opendaylight.controller.config.yang.pcep.topology.provider.PCEPTopologyProviderRuntimeRegistrator;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.protocol.framework.SessionListenerFactory;
+import org.opendaylight.protocol.pcep.PCEPSession;
import org.opendaylight.protocol.pcep.PCEPSessionListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.AddLspArgs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.EnsureLspOperationalInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.TopologyTypes1Builder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.UpdateLspArgs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.topology.pcep.type.TopologyPcepBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopologyBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
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.TopologyTypesBuilder;
-import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.JdkFutureAdapters;
-import com.google.common.util.concurrent.ListenableFuture;
-
/**
*
*/
-final class ServerSessionManager implements SessionListenerFactory<PCEPSessionListener>, AutoCloseable, TopologySessionRPCs {
- private static final Logger LOG = LoggerFactory.getLogger(ServerSessionManager.class);
- private static final long DEFAULT_HOLD_STATE_NANOS = TimeUnit.MINUTES.toNanos(5);
-
- private final Map<NodeId, TopologySessionListener> nodes = new HashMap<>();
- private final Map<NodeId, TopologyNodeState<?>> state = new HashMap<>();
- private final InstanceIdentifier<Topology> topology;
- private final DataProviderService dataProvider;
-
- public ServerSessionManager(final DataProviderService dataProvider, final InstanceIdentifier<Topology> topology) {
- this.dataProvider = Preconditions.checkNotNull(dataProvider);
- this.topology = Preconditions.checkNotNull(topology);
-
- // Make sure the topology does not exist
- final Object c = dataProvider.readOperationalData(topology);
- Preconditions.checkArgument(c == null, "Topology %s already exists", topology);
-
- // Now create the base topology
- final TopologyKey k = InstanceIdentifier.keyOf(topology);
- final DataModificationTransaction t = dataProvider.beginTransaction();
- t.putOperationalData(
- topology,
- new TopologyBuilder().setKey(k).setTopologyId(k.getTopologyId()).setTopologyTypes(
- new TopologyTypesBuilder().addAugmentation(TopologyTypes1.class,
- new TopologyTypes1Builder().setTopologyPcep(new TopologyPcepBuilder().build()).build()).build()).setNode(
- new ArrayList<Node>()).build());
-
- Futures.addCallback(JdkFutureAdapters.listenInPoolThread(t.commit()), new FutureCallback<RpcResult<TransactionStatus>>() {
- @Override
- public void onSuccess(final RpcResult<TransactionStatus> result) {
- LOG.trace("Topology {} created successfully", topology);
- }
-
- @Override
- public void onFailure(final Throwable t) {
- LOG.error("Failed to create topology {}", topology);
- }
- });
- }
-
- public void releaseNodeState(final TopologyNodeState<?> nodeState) {
- LOG.debug("Node {} unbound", nodeState.getNodeId());
- this.nodes.remove(nodeState.getNodeId());
- nodeState.released();
- }
-
- synchronized <T> TopologyNodeState<T> takeNodeState(final NodeId id, final TopologySessionListener sessionListener) {
- LOG.debug("Node {} bound to listener {}", id, sessionListener);
-
- @SuppressWarnings("unchecked")
- TopologyNodeState<T> ret = (TopologyNodeState<T>) this.state.get(id);
- if (ret == null) {
- ret = new TopologyNodeState<T>(id, DEFAULT_HOLD_STATE_NANOS);
- this.state.put(id, ret);
- }
-
- this.nodes.put(id, sessionListener);
- ret.taken();
- return ret;
- }
-
- @Override
- public PCEPSessionListener getSessionListener() {
- return new Stateful07TopologySessionListener(this);
- }
-
- @Override
- public synchronized ListenableFuture<OperationResult> addLsp(final AddLspArgs input) {
- // Get the listener corresponding to the node
- final TopologySessionListener l = this.nodes.get(input.getNode());
- if (l == null) {
- LOG.debug("Session for node {} not found", input.getNode());
- return OperationResults.UNSENT.future();
- }
-
- return l.addLsp(input);
- }
-
- @Override
- public synchronized ListenableFuture<OperationResult> removeLsp(final RemoveLspArgs input) {
- // Get the listener corresponding to the node
- final TopologySessionListener l = this.nodes.get(input.getNode());
- if (l == null) {
- LOG.debug("Session for node {} not found", input.getNode());
- return OperationResults.UNSENT.future();
- }
-
- return l.removeLsp(input);
- }
-
- @Override
- public synchronized ListenableFuture<OperationResult> updateLsp(final UpdateLspArgs input) {
- // Get the listener corresponding to the node
- final TopologySessionListener l = this.nodes.get(input.getNode());
- if (l == null) {
- LOG.debug("Session for node {} not found", input.getNode());
- return OperationResults.UNSENT.future();
- }
-
- return l.updateLsp(input);
- }
-
- @Override
- public synchronized ListenableFuture<OperationResult> ensureLspOperational(final EnsureLspOperationalInput input) {
- // Get the listener corresponding to the node
- final TopologySessionListener l = this.nodes.get(input.getNode());
- if (l == null) {
- LOG.debug("Session for node {} not found", input.getNode());
- return OperationResults.UNSENT.future();
- }
-
- return l.ensureLspOperational(input);
- }
-
- InstanceIdentifier<Topology> getTopology() {
- return topology;
- }
-
- DataModificationTransaction beginTransaction() {
- return dataProvider.beginTransaction();
- }
-
- @SuppressWarnings("unchecked")
- <T extends DataObject> T readOperationalData(final InstanceIdentifier<T> id) {
- return (T)dataProvider.readOperationalData(id);
- }
-
- @Override
- public void close() throws InterruptedException, ExecutionException {
- final DataModificationTransaction t = this.dataProvider.beginTransaction();
- t.removeOperationalData(this.topology);
- t.commit().get();
- }
+final class ServerSessionManager implements SessionListenerFactory<PCEPSessionListener>, AutoCloseable, TopologySessionRPCs, PCEPTopologyProviderRuntimeMXBean {
+ private static final Logger LOG = LoggerFactory.getLogger(ServerSessionManager.class);
+ private static final long DEFAULT_HOLD_STATE_NANOS = TimeUnit.MINUTES.toNanos(5);
+
+ private final Map<NodeId, TopologySessionListener> nodes = new HashMap<>();
+ private final Map<NodeId, TopologyNodeState> state = new HashMap<>();
+ private final TopologySessionListenerFactory listenerFactory;
+ private final InstanceIdentifier<Topology> topology;
+ private final DataBroker broker;
+ private Optional<PCEPTopologyProviderRuntimeRegistration> runtimeRootRegistration = Optional.absent();
+
+ public ServerSessionManager(final DataBroker broker, final InstanceIdentifier<Topology> topology,
+ final TopologySessionListenerFactory listenerFactory) throws ReadFailedException, TransactionCommitFailedException {
+ this.broker = Preconditions.checkNotNull(broker);
+ this.topology = Preconditions.checkNotNull(topology);
+ this.listenerFactory = Preconditions.checkNotNull(listenerFactory);
+
+
+ // Make sure the topology does not exist
+ final ReadWriteTransaction tx = broker.newReadWriteTransaction();
+ final Optional<?> c = tx.read(LogicalDatastoreType.OPERATIONAL, topology).checkedGet();
+ Preconditions.checkArgument(!c.isPresent(), "Topology %s already exists", topology);
+
+ // create empty network-topology if not exists
+ tx.merge(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.builder(NetworkTopology.class).build(), new NetworkTopologyBuilder().build());
+ // Now create the base topology
+ final TopologyKey k = InstanceIdentifier.keyOf(topology);
+ tx.put(LogicalDatastoreType.OPERATIONAL, topology, new TopologyBuilder().setKey(k).setTopologyId(k.getTopologyId()).setTopologyTypes(
+ new TopologyTypesBuilder().addAugmentation(TopologyTypes1.class,
+ new TopologyTypes1Builder().setTopologyPcep(new TopologyPcepBuilder().build()).build()).build()).setNode(
+ new ArrayList<Node>()).build());
+
+ tx.submit().checkedGet();
+ }
+
+ private static NodeId createNodeId(final InetAddress addr) {
+ return new NodeId("pcc://" + addr.getHostAddress());
+ }
+
+ synchronized void releaseNodeState(final TopologyNodeState nodeState, final PCEPSession session) {
+ LOG.debug("Node {} unbound", nodeState.getNodeId());
+ this.nodes.remove(createNodeId(session.getRemoteAddress()));
+ nodeState.released();
+ }
+
+ synchronized TopologyNodeState takeNodeState(final InetAddress address, final TopologySessionListener sessionListener) {
+ final NodeId id = createNodeId(address);
+
+ LOG.debug("Node {} requested by listener {}", id, sessionListener);
+ TopologyNodeState ret = this.state.get(id);
+
+ if (ret == null) {
+ ret = new TopologyNodeState(this.broker, this.topology, id, DEFAULT_HOLD_STATE_NANOS);
+ LOG.debug("Created topology node {} for id {} at {}", ret, id, ret.getNodeId());
+ this.state.put(id, ret);
+ }
+ // FIXME: else check for conflicting session
+
+ ret.taken();
+ this.nodes.put(id, sessionListener);
+ LOG.debug("Node {} bound to listener {}", id, sessionListener);
+ return ret;
+ }
+
+ @Override
+ public PCEPSessionListener getSessionListener() {
+ return this.listenerFactory.createTopologySessionListener(this);
+ }
+
+ private synchronized TopologySessionListener checkSessionPresence(final NodeId nodeId) {
+ // Get the listener corresponding to the node
+ final TopologySessionListener l = this.nodes.get(nodeId);
+ if (l == null) {
+ LOG.debug("Session for node {} not found", nodeId);
+ return null;
+ }
+ return l;
+ }
+
+ @Override
+ public synchronized ListenableFuture<OperationResult> addLsp(final AddLspArgs input) {
+ final TopologySessionListener l = checkSessionPresence(input.getNode());
+ return (l != null) ? l.addLsp(input) : OperationResults.UNSENT.future();
+ }
+
+ @Override
+ public synchronized ListenableFuture<OperationResult> removeLsp(final RemoveLspArgs input) {
+ final TopologySessionListener l = checkSessionPresence(input.getNode());
+ return (l != null) ? l.removeLsp(input) : OperationResults.UNSENT.future();
+ }
+
+ @Override
+ public synchronized ListenableFuture<OperationResult> updateLsp(final UpdateLspArgs input) {
+ final TopologySessionListener l = checkSessionPresence(input.getNode());
+ return (l != null) ? l.updateLsp(input) : OperationResults.UNSENT.future();
+ }
+
+ @Override
+ public synchronized ListenableFuture<OperationResult> ensureLspOperational(final EnsureLspOperationalInput input) {
+ final TopologySessionListener l = checkSessionPresence(input.getNode());
+ return (l != null) ? l.ensureLspOperational(input) : OperationResults.UNSENT.future();
+ }
+
+ @Override
+ public void close() throws TransactionCommitFailedException {
+ if (this.runtimeRootRegistration.isPresent()) {
+ this.runtimeRootRegistration.get().close();
+ }
+ for (final TopologySessionListener sessionListener : this.nodes.values()) {
+ sessionListener.close();
+ }
+ for (final TopologyNodeState nodeState : this.state.values()) {
+ nodeState.close();
+ }
+ final WriteTransaction t = this.broker.newWriteOnlyTransaction();
+ t.delete(LogicalDatastoreType.OPERATIONAL, this.topology);
+ t.submit().checkedGet();
+ }
+
+ public void registerRuntimeRootRegistartion(final PCEPTopologyProviderRuntimeRegistrator runtimeRootRegistrator) {
+ this.runtimeRootRegistration = Optional.of(runtimeRootRegistrator.register(this));
+ }
+
+ public Optional<PCEPTopologyProviderRuntimeRegistration> getRuntimeRootRegistration() {
+ return this.runtimeRootRegistration;
+ }
}
Code Review / bgpcep.git / blobdiff