import org.opendaylight.protocol.bgp.rib.impl.state.peer.PrefixesSentCounters;
import org.opendaylight.protocol.bgp.rib.spi.IdentifierUtils;
import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
-import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv4.routes.ipv4.routes.Ipv4Route;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.PathId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Update;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.UpdateBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.NlriBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.PeerId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.Uint32;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidateNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
* (message) and sends it down the channel. This class is NOT thread-safe.
*/
final class AdjRibOutListener implements ClusteredDOMDataTreeChangeListener, PrefixesSentCounters {
-
private static final Logger LOG = LoggerFactory.getLogger(AdjRibOutListener.class);
-
private static final QName PREFIX_QNAME = QName.create(Ipv4Route.QNAME, "prefix").intern();
private static final QName PATHID_QNAME = QName.create(Ipv4Route.QNAME, "path-id").intern();
- private final YangInstanceIdentifier.NodeIdentifier routeKeyPrefixLeaf = new YangInstanceIdentifier
- .NodeIdentifier(PREFIX_QNAME);
- private final YangInstanceIdentifier.NodeIdentifier routeKeyPathIdLeaf = new YangInstanceIdentifier
- .NodeIdentifier(PATHID_QNAME);
+ private static final NodeIdentifier ROUTE_KEY_PREFIX_LEAF = NodeIdentifier.create(PREFIX_QNAME);
+ private static final NodeIdentifier ROUTE_KEY_PATHID_LEAF = NodeIdentifier.create(PATHID_QNAME);
private final ChannelOutputLimiter session;
private final Codecs codecs;
private final RIBSupport<?, ?> support;
+ // FIXME: this field needs to be eliminated: either subclass this class or create a filtering ribsupport
private final boolean mpSupport;
private final ListenerRegistration<AdjRibOutListener> registerDataTreeChangeListener;
private final LongAdder prefixesSentCounter = new LongAdder();
final ChannelOutputLimiter session, final boolean mpSupport) {
this.session = requireNonNull(session);
this.support = requireNonNull(support);
- this.codecs = registry.getCodecs(this.support);
+ codecs = registry.getCodecs(this.support);
this.mpSupport = mpSupport;
this.tablesKey = requireNonNull(tablesKey);
final YangInstanceIdentifier adjRibOutId = ribId.node(PEER_NID).node(IdentifierUtils.domPeerId(peerId))
* in data store. Within this first ODTC execution we should advertise present routes and than
* send EOR marker. initialState flag is distinguishing between first ODTC execution and the rest.
*/
- this.initalState = true;
- this.registerDataTreeChangeListener = service.registerDataTreeChangeListener(
+ initalState = true;
+ registerDataTreeChangeListener = service.registerDataTreeChangeListener(
new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, adjRibOutId), this);
}
}
@Override
- public void onDataTreeChanged(final Collection<DataTreeCandidate> changes) {
+ public void onDataTreeChanged(final List<DataTreeCandidate> changes) {
LOG.debug("Data change received for AdjRibOut {}", changes);
for (final DataTreeCandidate tc : changes) {
LOG.trace("Change {} type {}", tc.getRootNode(), tc.getRootNode().getModificationType());
for (final DataTreeCandidateNode child : tc.getRootNode().getChildNodes()) {
- processSupportedFamilyRoutes(child);
+ for (final DataTreeCandidateNode route : support.changedRoutes(child)) {
+ processRouteChange(route);
+ }
}
}
if (initalState) {
- final Update endOfRib = BgpPeerUtil.createEndOfRib(this.tablesKey);
- this.session.write(endOfRib);
- this.initalState = false;
- }
- this.session.flush();
- }
-
- private void processSupportedFamilyRoutes(final DataTreeCandidateNode child) {
- final Collection<DataTreeCandidateNode> changedRoutes = this.support.changedRoutes(child);
- for (final DataTreeCandidateNode route : changedRoutes) {
- processRouteChange(route);
+ final Update endOfRib = BgpPeerUtil.createEndOfRib(tablesKey);
+ session.write(endOfRib);
+ initalState = false;
}
+ session.flush();
}
private void processRouteChange(final DataTreeCandidateNode route) {
case DELETE:
case DISAPPEARED:
// FIXME: we can batch deletions into a single batch
- update = withdraw((MapEntryNode) route.getDataBefore().get());
+ update = withdraw((MapEntryNode) route.getDataBefore().orElseThrow());
LOG.debug("Withdrawing routes {}", update);
break;
case APPEARED:
case SUBTREE_MODIFIED:
case WRITE:
- update = advertise((MapEntryNode) route.getDataAfter().get());
+ update = advertise((MapEntryNode) route.getDataAfter().orElseThrow());
LOG.debug("Advertising routes {}", update);
break;
default:
LOG.warn("Ignoring unhandled modification type {}", route.getModificationType());
return;
}
- this.session.write(update);
+ session.write(update);
}
private Attributes routeAttributes(final MapEntryNode route) {
LOG.debug("AdjRibOut parsing route {}", NormalizedNodes.toStringTree(route));
}
final ContainerNode advertisedAttrs = (ContainerNode) NormalizedNodes.findNode(route,
- this.support.routeAttributesIdentifier()).orElse(null);
- return this.codecs.deserializeAttributes(advertisedAttrs);
+ support.routeAttributesIdentifier()).orElse(null);
+ return codecs.deserializeAttributes(advertisedAttrs);
}
private Update withdraw(final MapEntryNode route) {
- if (!this.mpSupport) {
- return buildUpdate(Collections.emptyList(), Collections.singleton(route), routeAttributes(route));
- }
- return this.support.buildUpdate(Collections.emptyList(), Collections.singleton(route), routeAttributes(route));
+ return mpSupport
+ ? support.buildUpdate(Collections.emptyList(), Collections.singleton(route), routeAttributes(route))
+ : buildUpdate(Collections.emptyList(), Collections.singleton(route), routeAttributes(route));
}
private Update advertise(final MapEntryNode route) {
- this.prefixesSentCounter.increment();
- if (!this.mpSupport) {
- return buildUpdate(Collections.singleton(route), Collections.emptyList(), routeAttributes(route));
- }
- return this.support.buildUpdate(Collections.singleton(route), Collections.emptyList(), routeAttributes(route));
+ prefixesSentCounter.increment();
+ return mpSupport
+ ? support.buildUpdate(Collections.singleton(route), Collections.emptyList(), routeAttributes(route))
+ : buildUpdate(Collections.singleton(route), Collections.emptyList(), routeAttributes(route));
}
- private Update buildUpdate(
+ private static Update buildUpdate(
final @NonNull Collection<MapEntryNode> advertised,
final @NonNull Collection<MapEntryNode> withdrawn,
final @NonNull Attributes attr) {
- final UpdateBuilder ub = new UpdateBuilder().setWithdrawnRoutes(extractWithdrawnRoutes(withdrawn))
- .setNlri(extractNlris(advertised));
- ub.setAttributes(attr);
- return ub.build();
- }
-
- private List<Nlri> extractNlris(final Collection<MapEntryNode> routes) {
- return routes.stream().map(ipv4Route -> new NlriBuilder().setPrefix(new Ipv4Prefix(extractPrefix(ipv4Route)))
- .setPathId(extractPathId(ipv4Route)).build()).collect(Collectors.toList());
- }
-
- private List<WithdrawnRoutes> extractWithdrawnRoutes(final Collection<MapEntryNode> routes) {
- return routes.stream().map(ipv4Route -> new WithdrawnRoutesBuilder()
- .setPrefix(new Ipv4Prefix(extractPrefix(ipv4Route))).setPathId(extractPathId(ipv4Route)).build())
- .collect(Collectors.toList());
+ return new UpdateBuilder()
+ .setWithdrawnRoutes(withdrawn.stream()
+ .map(ipv4Route -> new WithdrawnRoutesBuilder()
+ .setPrefix(extractPrefix(ipv4Route))
+ .setPathId(extractPathId(ipv4Route))
+ .build())
+ .collect(Collectors.toList()))
+ .setNlri(advertised.stream()
+ .map(ipv4Route -> new NlriBuilder()
+ .setPrefix(extractPrefix(ipv4Route))
+ .setPathId(extractPathId(ipv4Route)).build())
+ .collect(Collectors.toList()))
+ .setAttributes(attr).build();
}
- private String extractPrefix(final MapEntryNode ipv4Route) {
- return (String) ipv4Route.findChildByArg(this.routeKeyPrefixLeaf).get().body();
+ private static Ipv4Prefix extractPrefix(final MapEntryNode ipv4Route) {
+ return new Ipv4Prefix((String) ipv4Route.getChildByArg(ROUTE_KEY_PREFIX_LEAF).body());
}
- private PathId extractPathId(final MapEntryNode ipv4Route) {
- return ipv4Route.findChildByArg(this.routeKeyPathIdLeaf)
- .map(dataContainerChild -> new PathId((Uint32) dataContainerChild.body()))
- .orElse(null);
+ private static PathId extractPathId(final MapEntryNode ipv4Route) {
+ final var pathId = ipv4Route.childByArg(ROUTE_KEY_PATHID_LEAF);
+ return pathId == null ? null : new PathId((Uint32) pathId.body());
}
public void close() {
- this.registerDataTreeChangeListener.close();
+ registerDataTreeChangeListener.close();
}
boolean isMpSupported() {
- return this.mpSupport;
+ return mpSupport;
}
@Override
public long getPrefixesSentCount() {
- return this.prefixesSentCounter.longValue();
+ return prefixesSentCounter.longValue();
}
}