import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
+import java.util.concurrent.ExecutionException;
+import javax.annotation.concurrent.GuardedBy;
import javax.annotation.concurrent.ThreadSafe;
import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
-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.AsyncTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
+import org.opendaylight.protocol.pcep.PCEPSession;
+import org.opendaylight.protocol.pcep.TerminationReason;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.lsp.metadata.Metadata;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.Node1;
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.topology.Node;
private final long holdStateNanos;
private long lastReleased = 0;
//cache initial node state, if any node was persisted
+ @GuardedBy("this")
private Node initialNodeState = null;
public TopologyNodeState(final DataBroker broker, final InstanceIdentifier<Topology> topology, final NodeId id, final long holdStateNanos) {
// The session went down. Undo all the Topology changes we have done.
// We might want to persist topology node for later re-use.
if (!persist) {
- final WriteTransaction trans = beginTransaction();
+ final WriteTransaction trans = this.chain.newWriteOnlyTransaction();
trans.delete(LogicalDatastoreType.OPERATIONAL, this.nodeId);
Futures.addCallback(trans.submit(), new FutureCallback<Void>() {
@Override
//try to get the topology's node
if (retrieveNode) {
- Futures.addCallback(readOperationalData(this.nodeId), new FutureCallback<Optional<Node>>() {
-
- @Override
- public void onSuccess(final Optional<Node> result) {
- if (!result.isPresent()) {
- putTopologyNode();
- } else {
- //cache retrieved node
- TopologyNodeState.this.initialNodeState = result.get();
- }
- }
-
- @Override
- public void onFailure(final Throwable t) {
- LOG.error("Failed to get topology node {}", TopologyNodeState.this.nodeId, t);
+ try {
+ final Optional<Node> prevNode = readOperationalData(this.nodeId).get();
+ if (!prevNode.isPresent()) {
+ putTopologyNode();
+ } else {
+ //cache retrieved node
+ TopologyNodeState.this.initialNodeState = prevNode.get();
}
- });
+ } catch (final ExecutionException | InterruptedException throwable) {
+ LOG.error("Failed to get topology node {}", TopologyNodeState.this.nodeId, throwable);
+ }
} else {
putTopologyNode();
}
return this.initialNodeState;
}
- WriteTransaction beginTransaction() {
- return this.chain.newWriteOnlyTransaction();
+ synchronized BindingTransactionChain getChain() {
+ return this.chain;
}
- ReadWriteTransaction rwTransaction() {
- return this.chain.newReadWriteTransaction();
- }
-
- <T extends DataObject> ListenableFuture<Optional<T>> readOperationalData(final InstanceIdentifier<T> id) {
+ synchronized <T extends DataObject> ListenableFuture<Optional<T>> readOperationalData(final InstanceIdentifier<T> id) {
try (final ReadOnlyTransaction t = this.chain.newReadOnlyTransaction()) {
return t.read(LogicalDatastoreType.OPERATIONAL, id);
}
}
@Override
- public void close() {
+ public synchronized void close() {
this.chain.close();
}
- private void putTopologyNode() {
- final Node node = new NodeBuilder().setKey(this.nodeId.getKey()).setNodeId(this.nodeId.getKey().getNodeId()).build();
- final WriteTransaction t = beginTransaction();
- t.put(LogicalDatastoreType.OPERATIONAL, this.nodeId, node);
- t.submit();
+ private synchronized void putTopologyNode() {
+ final Node node = new NodeBuilder().setKey(this.nodeId.getKey())
+ .setNodeId(this.nodeId.getKey().getNodeId()).build();
+ final WriteTransaction t = this.chain.newWriteOnlyTransaction();
+ LOG.trace("Put topology Node {}, value {}", this.nodeId, node);
+ t.merge(LogicalDatastoreType.OPERATIONAL, this.nodeId, node);
+ Futures.addCallback(t.submit(), new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(final Void result) {
+ LOG.trace("Topology Node stored {}, value {}", TopologyNodeState.this.nodeId, node);
+ }
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ LOG.trace("Put topology Node failed {}, value {}, {}", TopologyNodeState.this.nodeId, node, throwable);
+ }
+ }, MoreExecutors.directExecutor());
}
+ public synchronized void storeNode(final InstanceIdentifier<Node1> topologyAugment, final Node1 ta,
+ final PCEPSession session) {
+ LOG.trace("Peer data {} set to {}", topologyAugment, ta);
+ final WriteTransaction trans = this.chain.newWriteOnlyTransaction();
+ trans.put(LogicalDatastoreType.OPERATIONAL, topologyAugment, ta);
+
+ // All set, commit the modifications
+ Futures.addCallback(trans.submit(), new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(final Void result) {
+ LOG.trace("Node stored {} for session {} updated successfully", topologyAugment, session);
+ }
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ LOG.error("Failed to store node {} for session {}, terminating it",
+ topologyAugment, session, throwable);
+ session.close(TerminationReason.UNKNOWN);
+ }
+ }, MoreExecutors.directExecutor());
+ }
}
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