*/
package org.opendaylight.bgpcep.bgp.topology.provider;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
-import java.util.concurrent.ExecutionException;
-
+import javax.annotation.concurrent.GuardedBy;
import org.opendaylight.bgpcep.topology.TopologyReference;
-import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
-import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
-import org.opendaylight.controller.md.sal.common.api.data.DataModification;
-import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
-import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
-import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.LocRib;
+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.DataChangeListener;
+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.AsyncDataChangeEvent;
+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.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.protocol.bgp.rib.RibReference;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.AddressFamily;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily;
+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.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.Link;
+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.TopologyTypes;
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;
-
-public abstract class AbstractTopologyBuilder<T extends Route> implements AutoCloseable, DataChangeListener, LocRIBListener, TopologyReference {
- private static final InstanceIdentifier<LocRib> locRIBPath = InstanceIdentifier.builder(LocRib.class).toInstance();
- private static final Logger LOG = LoggerFactory.getLogger(AbstractTopologyBuilder.class);
- private final InstanceIdentifier<Topology> topology;
- private final DataProviderService dataProvider;
- private final Class<T> idClass;
-
- protected AbstractTopologyBuilder(final DataProviderService dataProvider, final TopologyId topologyId, final Class<T> idClass) {
- this.dataProvider = Preconditions.checkNotNull(dataProvider);
- this.topology = InstanceIdentifier.builder(Topology.class, new TopologyKey(Preconditions.checkNotNull(topologyId))).toInstance();
- this.idClass = Preconditions.checkNotNull(idClass);
- }
-
- public static final InstanceIdentifier<Tables> tableInstanceIdentifier(
- final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi) {
- return InstanceIdentifier.builder(locRIBPath).child(Tables.class, new TablesKey(afi, safi)).toInstance();
- }
-
- protected abstract void createObject(DataModification<InstanceIdentifier<?>, DataObject> trans, InstanceIdentifier<T> id, T value);
- protected abstract void removeObject(DataModification<InstanceIdentifier<?>, DataObject> trans, InstanceIdentifier<T> id, T value);
-
- public final DataProviderService getDataProvider() {
- return dataProvider;
- }
-
- @Override
- public final InstanceIdentifier<Topology> getInstanceIdentifier() {
- return topology;
- }
-
- @Override
- public final void onLocRIBChange(final DataModification<InstanceIdentifier<?>, DataObject> trans,
- final DataChangeEvent<InstanceIdentifier<?>, DataObject> event) {
-
- final Set<InstanceIdentifier<T>> ids = new HashSet<>();
- for (final InstanceIdentifier<?> i : event.getRemovedOperationalData()) {
- ids.add(Preconditions.checkNotNull(i.firstIdentifierOf(idClass)));
- }
- for (final InstanceIdentifier<?> i : event.getUpdatedOperationalData().keySet()) {
- ids.add(Preconditions.checkNotNull(i.firstIdentifierOf(idClass)));
- }
- for (final InstanceIdentifier<?> i : event.getCreatedOperationalData().keySet()) {
- ids.add(Preconditions.checkNotNull(i.firstIdentifierOf(idClass)));
- }
-
- final Map<InstanceIdentifier<?>, DataObject> o = event.getOriginalOperationalData();
- final Map<InstanceIdentifier<?>, DataObject> n = event.getUpdatedOperationalData();
- for (final InstanceIdentifier<T> i : ids) {
- final T oldValue = idClass.cast(o.get(i));
- final T newValue = idClass.cast(n.get(i));
-
- LOG.debug("Updating object {} value {} -> {}", i, oldValue, newValue);
- if (oldValue != null) {
- removeObject(trans, i, oldValue);
- }
- if (newValue != null) {
- createObject(trans, i, newValue);
- }
- }
-
- Futures.addCallback(JdkFutureAdapters.listenInPoolThread(trans.commit()),
- new FutureCallback<RpcResult<TransactionStatus>>() {
- @Override
- public void onSuccess(final RpcResult<TransactionStatus> result) {
- // Nothing to do
- }
-
- @Override
- public void onFailure(final Throwable t) {
- LOG.error("Failed to propagate change by listener {}", AbstractTopologyBuilder.this);
- }
- });
- }
-
- @Override
- public final void close() throws InterruptedException, ExecutionException {
- final DataModificationTransaction trans = dataProvider.beginTransaction();
- trans.removeOperationalData(getInstanceIdentifier());
- trans.commit().get();
- }
-
- @Override
- public final void onDataChanged(final DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
- final DataModificationTransaction trans = dataProvider.beginTransaction();
-
- try {
- onLocRIBChange(trans, change);
- } catch (RuntimeException e) {
- LOG.info("Data change {} was not completely propagated to listener {}", change, this, e);
- }
-
- // FIXME: abort the transaction if it's not committing?
- }
+public abstract class AbstractTopologyBuilder<T extends Route> implements AutoCloseable, DataChangeListener, LocRIBListener, TopologyReference, TransactionChainListener {
+ private static final Logger LOG = LoggerFactory.getLogger(AbstractTopologyBuilder.class);
+ private final InstanceIdentifier<Topology> topology;
+ private final BindingTransactionChain chain;
+ private final RibReference locRibReference;
+ private final Class<T> idClass;
+
+ @GuardedBy("this")
+ private boolean closed = false;
+
+ protected AbstractTopologyBuilder(final DataBroker dataProvider, final RibReference locRibReference,
+ final TopologyId topologyId, final TopologyTypes types, final Class<T> idClass) {
+ this.locRibReference = Preconditions.checkNotNull(locRibReference);
+ this.idClass = Preconditions.checkNotNull(idClass);
+ this.chain = dataProvider.createTransactionChain(this);
+
+ final TopologyKey tk = new TopologyKey(Preconditions.checkNotNull(topologyId));
+ this.topology = InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class, tk).build();
+
+ LOG.debug("Initiating topology builder from {} at {}", locRibReference, this.topology);
+
+ final WriteTransaction t = this.chain.newWriteOnlyTransaction();
+
+ t.put(LogicalDatastoreType.OPERATIONAL, this.topology,
+ new TopologyBuilder().setKey(tk).setServerProvided(Boolean.TRUE).setTopologyTypes(types)
+ .setLink(Collections.<Link>emptyList()).setNode(Collections.<Node>emptyList()).build(), true);
+ Futures.addCallback(t.submit(), new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(final Void result) {
+ LOG.trace("Transaction {} committed successfully", t.getIdentifier());
+ }
+
+ @Override
+ public void onFailure(final Throwable t) {
+ LOG.error("Failed to initiate topology {} by listener {}", AbstractTopologyBuilder.this.topology,
+ AbstractTopologyBuilder.this, t);
+ }
+ });
+ }
+
+ public final InstanceIdentifier<Tables> tableInstanceIdentifier(final Class<? extends AddressFamily> afi,
+ final Class<? extends SubsequentAddressFamily> safi) {
+ return this.locRibReference.getInstanceIdentifier().builder().child(LocRib.class).child(Tables.class, new TablesKey(afi, safi)).build();
+ }
+
+ protected abstract void createObject(ReadWriteTransaction trans, InstanceIdentifier<T> id, T value);
+
+ protected abstract void removeObject(ReadWriteTransaction trans, InstanceIdentifier<T> id, T value);
+
+ @Override
+ public final InstanceIdentifier<Topology> getInstanceIdentifier() {
+ return this.topology;
+ }
+
+ private void addIdentifier(final InstanceIdentifier<?> i, final String set, final Set<InstanceIdentifier<T>> out) {
+ final InstanceIdentifier<T> id = i.firstIdentifierOf(this.idClass);
+ if (id != null) {
+ out.add(id);
+ } else {
+ LOG.debug("Identifier {} in {} set does not contain listening class {}, ignoring it", i, set, this.idClass);
+ }
+ }
+
+ @Override
+ public final synchronized void onLocRIBChange(final ReadWriteTransaction trans,
+ final AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> event) {
+ LOG.debug("Received data change {} event with transaction {}", event, trans.getIdentifier());
+ if (this.closed) {
+ LOG.trace("Transaction chain was already closed, skipping update.");
+ return;
+ }
+
+ // FIXME: speed this up
+ final Set<InstanceIdentifier<T>> ids = new HashSet<>();
+ for (final InstanceIdentifier<?> i : event.getRemovedPaths()) {
+ addIdentifier(i, "remove", ids);
+ }
+ for (final InstanceIdentifier<?> i : event.getUpdatedData().keySet()) {
+ addIdentifier(i, "update", ids);
+ }
+ for (final InstanceIdentifier<?> i : event.getCreatedData().keySet()) {
+ addIdentifier(i, "create", ids);
+ }
+
+ final Map<InstanceIdentifier<?>, ? extends DataObject> o = event.getOriginalData();
+ final Map<InstanceIdentifier<?>, DataObject> u = event.getUpdatedData();
+ final Map<InstanceIdentifier<?>, DataObject> c = event.getCreatedData();
+ for (final InstanceIdentifier<T> i : ids) {
+ final T oldValue = this.idClass.cast(o.get(i));
+ T newValue = this.idClass.cast(u.get(i));
+ if (newValue == null) {
+ newValue = this.idClass.cast(c.get(i));
+ }
+
+ LOG.debug("Updating object {} value {} -> {}", i, oldValue, newValue);
+ if (oldValue != null) {
+ removeObject(trans, i, oldValue);
+ }
+ if (newValue != null) {
+ createObject(trans, i, newValue);
+ }
+ }
+
+ Futures.addCallback(trans.submit(), new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(final Void result) {
+ LOG.trace("Transaction {} committed successfully", trans.getIdentifier());
+ }
+
+ @Override
+ public void onFailure(final Throwable t) {
+ LOG.error("Failed to propagate change by listener {}", AbstractTopologyBuilder.this);
+ }
+ });
+ }
+
+ @Override
+ public final synchronized void close() throws TransactionCommitFailedException {
+ LOG.info("Shutting down builder for {}", getInstanceIdentifier());
+ final WriteTransaction trans = this.chain.newWriteOnlyTransaction();
+ trans.delete(LogicalDatastoreType.OPERATIONAL, getInstanceIdentifier());
+ trans.submit().checkedGet();
+ this.chain.close();
+ this.closed = true;
+ }
+
+ @Override
+ public final void onDataChanged(final AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
+ final ReadWriteTransaction trans = this.chain.newReadWriteTransaction();
+
+ try {
+ onLocRIBChange(trans, change);
+ } catch (final RuntimeException e) {
+ LOG.warn("Data change {} was not completely propagated to listener {}", change, this, e);
+ return;
+ }
+ }
+
+ @Override
+ public final void onTransactionChainFailed(final TransactionChain<?, ?> chain, final AsyncTransaction<?, ?> transaction, final Throwable cause) {
+ // TODO: restart?
+ LOG.error("Topology builder for {} failed in transaction {}", getInstanceIdentifier(), transaction.getIdentifier(), cause);
+ }
+
+ @Override
+ public final void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
+ LOG.info("Topology builder for {} shut down", getInstanceIdentifier());
+ }
}
Code Review / bgpcep.git / blobdiff