import static java.util.Objects.requireNonNull;
-import com.google.common.annotations.VisibleForTesting;
import com.google.common.util.concurrent.FluentFuture;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.MoreExecutors;
+import com.google.common.util.concurrent.SettableFuture;
+import io.netty.util.Timeout;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.VarHandle;
import java.net.InetAddress;
-import java.net.InetSocketAddress;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
-import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicBoolean;
import org.checkerframework.checker.lock.qual.GuardedBy;
-import org.opendaylight.bgpcep.pcep.topology.provider.config.PCEPTopologyConfiguration;
-import org.opendaylight.bgpcep.pcep.topology.provider.config.PCEPTopologyProviderDependencies;
-import org.opendaylight.bgpcep.pcep.topology.spi.stats.TopologySessionStatsRegistry;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
+import org.opendaylight.bgpcep.pcep.server.PceServerProvider;
import org.opendaylight.mdsal.binding.api.WriteTransaction;
import org.opendaylight.mdsal.common.api.CommitInfo;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
-import org.opendaylight.protocol.pcep.PCEPDispatcherDependencies;
-import org.opendaylight.protocol.pcep.PCEPPeerProposal;
-import org.opendaylight.protocol.pcep.PCEPSession;
import org.opendaylight.protocol.pcep.PCEPSessionListenerFactory;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.PcepSessionState;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.open.object.open.TlvsBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.AddLspArgs;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.EnsureLspOperationalInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.OperationResult;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.RemoveLspArgs;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.TearDownSessionInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.TopologyTypes1Builder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.TriggerSyncArgs;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.UpdateLspArgs;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev200120.topology.pcep.type.TopologyPcepBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev220720.graph.topology.GraphKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev200720.SrpIdNumber;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.AddLspArgs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.EnsureLspOperationalInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.OperationResult;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.RemoveLspArgs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.TearDownSessionInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.TearDownSessionInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.TopologyTypes1Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.TriggerSyncArgs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.UpdateLspArgs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.network.topology.topology.topology.types.TopologyPcepBuilder;
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.TopologyId;
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.NodeKey;
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.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
-import org.opendaylight.yangtools.yang.common.RpcError;
+import org.opendaylight.yangtools.yang.common.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
// Non-final for testing
-class ServerSessionManager implements PCEPSessionListenerFactory, TopologySessionRPCs, PCEPPeerProposal,
- TopologySessionStatsRegistry {
+class ServerSessionManager implements PCEPSessionListenerFactory, TopologySessionRPCs {
+ @FunctionalInterface
+ interface RpcTimeout {
+ void run(SrpIdNumber requestId);
+ }
+
private static final Logger LOG = LoggerFactory.getLogger(ServerSessionManager.class);
private static final long DEFAULT_HOLD_STATE_NANOS = TimeUnit.MINUTES.toNanos(5);
+ private static final VarHandle CLOSED;
+
+ static {
+ try {
+ CLOSED = MethodHandles.lookup().findVarHandle(ServerSessionManager.class, "closed", boolean.class);
+ } catch (NoSuchFieldException | IllegalAccessException e) {
+ throw new ExceptionInInitializerError(e);
+ }
+ }
+
+ private final @NonNull KeyedInstanceIdentifier<Topology, TopologyKey> topology;
+ private final @NonNull PCEPTopologyProviderDependencies dependencies;
+ private final @Nullable GraphKey graphKey;
- @VisibleForTesting
- final AtomicBoolean isClosed = new AtomicBoolean(false);
@GuardedBy("this")
private final Map<NodeId, TopologySessionListener> nodes = new HashMap<>();
@GuardedBy("this")
private final Map<NodeId, TopologyNodeState> state = new HashMap<>();
- private final InstanceIdentifier<Topology> topology;
- private final PCEPStatefulPeerProposal peerProposal;
- private final short rpcTimeout;
- private final PCEPTopologyProviderDependencies dependenciesProvider;
- private final PCEPDispatcherDependencies pcepDispatcherDependencies;
-
- ServerSessionManager(
- final PCEPTopologyProviderDependencies dependenciesProvider,
- final PCEPTopologyConfiguration configDependencies) {
- this.dependenciesProvider = requireNonNull(dependenciesProvider);
- topology = requireNonNull(configDependencies.getTopology());
- peerProposal = PCEPStatefulPeerProposal
- .createStatefulPeerProposal(dependenciesProvider.getDataBroker(), topology);
- rpcTimeout = configDependencies.getRpcTimeout();
- pcepDispatcherDependencies = new PCEPDispatcherDependenciesImpl(this, configDependencies);
- }
- private static NodeId createNodeId(final InetAddress addr) {
- return new NodeId("pcc://" + addr.getHostAddress());
+ private volatile long updateInterval;
+ private volatile short rpcTimeout;
+ private volatile boolean closed;
+
+ ServerSessionManager(final KeyedInstanceIdentifier<Topology, TopologyKey> topology,
+ final PCEPTopologyProviderDependencies dependencies, final GraphKey graphKey,
+ final short rpcTimeout, final long updateInterval) {
+ this.dependencies = requireNonNull(dependencies);
+ this.topology = requireNonNull(topology);
+ this.graphKey = graphKey;
+ this.rpcTimeout = rpcTimeout;
+ this.updateInterval = updateInterval;
}
- /**
- * Create Base Topology.
- */
- final synchronized void instantiateServiceInstance() {
- final TopologyKey key = InstanceIdentifier.keyOf(topology);
- final TopologyId topologyId = key.getTopologyId();
- final WriteTransaction tx = dependenciesProvider.getDataBroker().newWriteOnlyTransaction();
- tx.mergeParentStructurePut(LogicalDatastoreType.OPERATIONAL, topology, new TopologyBuilder()
- .withKey(key)
- .setTopologyId(topologyId).setTopologyTypes(new TopologyTypesBuilder()
- .addAugmentation(new TopologyTypes1Builder()
- .setTopologyPcep(new TopologyPcepBuilder().build())
- .build())
+ // Initialize the operational view of the topology.
+ final ListenableFuture<Boolean> start() {
+ LOG.info("Creating PCEP Topology {}", topologyId());
+ final var tx = dependencies.getDataBroker().newWriteOnlyTransaction();
+ tx.put(LogicalDatastoreType.OPERATIONAL, topology, new TopologyBuilder()
+ .withKey(topology.getKey())
+ .setTopologyTypes(new TopologyTypesBuilder()
+ .addAugmentation(new TopologyTypes1Builder().setTopologyPcep(new TopologyPcepBuilder().build()).build())
.build())
.build());
- try {
- tx.commit().get();
- LOG.info("PCEP Topology {} created successfully.", topologyId.getValue());
- ServerSessionManager.this.isClosed.set(false);
- } catch (final ExecutionException | InterruptedException throwable) {
- LOG.error("Failed to create PCEP Topology {}.", topologyId.getValue(), throwable);
- ServerSessionManager.this.isClosed.set(true);
+
+ final var future = SettableFuture.<Boolean>create();
+ final var txFuture = tx.commit();
+ txFuture.addCallback(new FutureCallback<CommitInfo>() {
+ @Override
+ public void onSuccess(final CommitInfo result) {
+ LOG.info("PCEP Topology {} created successfully.", topologyId());
+ closed = false;
+ future.set(Boolean.TRUE);
+ }
+
+ @Override
+ public void onFailure(final Throwable failure) {
+ LOG.error("Failed to create PCEP Topology {}.", topologyId(), failure);
+ closed = true;
+ future.set(Boolean.FALSE);
+ }
+ }, MoreExecutors.directExecutor());
+
+ // Register this new topology to PCE Server
+ final PceServerProvider server = dependencies.getPceServerProvider();
+ if (server != null && graphKey != null) {
+ server.registerPcepTopology(topology, graphKey);
+ }
+ return future;
+ }
+
+ final boolean isClosed() {
+ return closed;
+ }
+
+ final synchronized FluentFuture<? extends CommitInfo> stop() {
+ if (!CLOSED.compareAndSet(this, false, true)) {
+ LOG.error("Session Manager has already been closed.");
+ return CommitInfo.emptyFluentFuture();
+ }
+
+ // Clean up sessions
+ for (final TopologySessionListener node : nodes.values()) {
+ node.close();
+ }
+ nodes.clear();
+
+ // Clean up remembered metadata
+ for (final TopologyNodeState topologyNodeState : state.values()) {
+ topologyNodeState.close();
}
+ state.clear();
+
+ // Un-Register Pcep Topology into PCE Server
+ final PceServerProvider server = dependencies.getPceServerProvider();
+ if (server != null) {
+ server.unRegisterPcepTopology(topology);
+ }
+
+ final WriteTransaction t = dependencies.getDataBroker().newWriteOnlyTransaction();
+ t.delete(LogicalDatastoreType.OPERATIONAL, topology);
+ final FluentFuture<? extends CommitInfo> future = t.commit();
+ future.addCallback(new FutureCallback<CommitInfo>() {
+ @Override
+ public void onSuccess(final CommitInfo result) {
+ LOG.debug("Topology {} removed", topology);
+ }
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ LOG.warn("Failed to remove Topology {}", topology, throwable);
+ }
+ }, MoreExecutors.directExecutor());
+ return future;
}
- final synchronized void releaseNodeState(final TopologyNodeState nodeState, final PCEPSession session,
+ final synchronized void releaseNodeState(final TopologyNodeState nodeState, final InetAddress peerAddress,
final boolean persistNode) {
- if (isClosed.get()) {
+ if (isClosed()) {
LOG.error("Session Manager has already been closed.");
return;
}
- final NodeId nodeId = createNodeId(session.getRemoteAddress());
+ final NodeId nodeId = createNodeId(peerAddress);
nodes.remove(nodeId);
state.remove(nodeId);
if (nodeState != null) {
final synchronized TopologyNodeState takeNodeState(final InetAddress address,
final TopologySessionListener sessionListener, final boolean retrieveNode) {
final NodeId id = createNodeId(address);
- if (isClosed.get()) {
+ if (isClosed()) {
LOG.error("Server Session Manager is closed. Unable to create topology node {} with listener {}", id,
sessionListener);
return null;
TopologyNodeState ret = state.get(id);
if (ret == null) {
- ret = new TopologyNodeState(dependenciesProvider.getDataBroker(), topology, id, DEFAULT_HOLD_STATE_NANOS);
+ ret = new TopologyNodeState(dependencies.getDataBroker(), topology, id, DEFAULT_HOLD_STATE_NANOS);
LOG.debug("Created topology node {} for id {} at {}", ret, id, ret.getNodeId());
state.put(id, ret);
}
// Non-final for testing
@Override
public PCEPTopologySessionListener getSessionListener() {
- return new PCEPTopologySessionListener(this);
+ return new PCEPTopologySessionListener(dependencies.getStateRegistry(), this,
+ dependencies.getPceServerProvider());
}
private synchronized TopologySessionListener checkSessionPresence(final NodeId nodeId) {
}
return RpcResultBuilder.<Void>failed()
- .withError(RpcError.ErrorType.RPC, "Failed to find session " + nodeId)
+ .withError(ErrorType.RPC, "Failed to find session " + nodeId)
.buildFuture();
}
- final synchronized FluentFuture<? extends CommitInfo> closeServiceInstance() {
- if (isClosed.getAndSet(true)) {
- LOG.error("Session Manager has already been closed.");
- return CommitInfo.emptyFluentFuture();
- }
- for (final TopologySessionListener node : nodes.values()) {
- node.close();
- }
- nodes.clear();
- for (final TopologyNodeState topologyNodeState : state.values()) {
- topologyNodeState.close();
- }
- state.clear();
-
- final WriteTransaction t = dependenciesProvider.getDataBroker().newWriteOnlyTransaction();
- t.delete(LogicalDatastoreType.OPERATIONAL, topology);
- final FluentFuture<? extends CommitInfo> future = t.commit();
- future.addCallback(new FutureCallback<CommitInfo>() {
- @Override
- public void onSuccess(final CommitInfo result) {
- LOG.debug("Topology {} removed", topology);
- }
+ final @Nullable Timeout newRpcTimeout(final RpcTimeout task, final SrpIdNumber requestId) {
+ final short localTimeout = rpcTimeout;
+ return localTimeout <= 0 ? null
+ : dependencies.getTimer().newTimeout(ignored -> task.run(requestId), localTimeout, TimeUnit.SECONDS);
+ }
- @Override
- public void onFailure(final Throwable throwable) {
- LOG.warn("Failed to remove Topology {}", topology, throwable);
- }
- }, MoreExecutors.directExecutor());
- return future;
+ final long updateInterval() {
+ return isClosed() ? 0 : updateInterval;
}
- @Override
- public final void setPeerSpecificProposal(final InetSocketAddress address, final TlvsBuilder openBuilder) {
- requireNonNull(address);
- peerProposal.setPeerProposal(createNodeId(address.getAddress()), openBuilder,
- pcepDispatcherDependencies.getSpeakerIdMapping().speakerIdForAddress(address.getAddress()));
+ final void setRpcTimeout(final short rpcTimeout) {
+ this.rpcTimeout = rpcTimeout;
}
- final short getRpcTimeout() {
- return rpcTimeout;
+ final void setUpdateInterval(final long updateInterval) {
+ this.updateInterval = updateInterval;
}
- @Override
- public final synchronized void bind(final KeyedInstanceIdentifier<Node, NodeKey> nodeId,
- final PcepSessionState sessionState) {
- dependenciesProvider.getStateRegistry().bind(nodeId, sessionState);
+ final void tearDownSessions(final List<InetAddress> outdatedNodes) {
+ for (var address : outdatedNodes) {
+ tearDownSession(new TearDownSessionInputBuilder().setNode(createNodeId(address)).build());
+ }
}
- @Override
- public final synchronized void unbind(final KeyedInstanceIdentifier<Node, NodeKey> nodeId) {
- dependenciesProvider.getStateRegistry().unbind(nodeId);
+ final PCEPTopologyProviderDependencies getPCEPTopologyProviderDependencies() {
+ return dependencies;
}
- final PCEPDispatcherDependencies getPCEPDispatcherDependencies() {
- return pcepDispatcherDependencies;
+ static @NonNull NodeId createNodeId(final InetAddress addr) {
+ return new NodeId("pcc://" + addr.getHostAddress());
}
- final PCEPTopologyProviderDependencies getPCEPTopologyProviderDependencies() {
- return dependenciesProvider;
+ private @NonNull String topologyId() {
+ return TopologyUtils.friendlyId(topology);
}
}
\ No newline at end of file
Code Review / bgpcep.git / blobdiff