import com.google.common.base.Preconditions;
import com.google.common.primitives.UnsignedInteger;
+import java.util.Arrays;
import java.util.Collection;
-import java.util.EnumMap;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
+import javax.annotation.Nonnull;
import javax.annotation.concurrent.NotThreadSafe;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
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.rev100924.AsNumber;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
+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.bgp.rib.rib.Peer;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.peer.EffectiveRibIn;
+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.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+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.api.schema.tree.ModificationType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
-// FIXME: instantiate for each table, listen on wildcard peer and routes
@NotThreadSafe
-final class LocRibWriter implements DOMDataTreeChangeListener {
+final class LocRibWriter implements AutoCloseable, DOMDataTreeChangeListener {
+
+ private static final Logger LOG = LoggerFactory.getLogger(LocRibWriter.class);
+
private final Map<PathArgument, RouteEntry> routeEntries = new HashMap<>();
- private final YangInstanceIdentifier target;
+ private final YangInstanceIdentifier locRibTarget;
private final DOMTransactionChain chain;
- private final RIBSupport ribSupport;
+ private final ExportPolicyPeerTracker peerPolicyTracker;
+ private final NodeIdentifier attributesIdentifier;
private final Long ourAs;
+ private final RIBSupport ribSupport;
- // FIXME: these maps need to be populated
- private final Map<PeerRole, Map<PeerId, YangInstanceIdentifier>> peersToUpdate = new EnumMap<>(PeerRole.class);
- private final Map<PeerId, PeerRole> peers = new HashMap<>();
-
- LocRibWriter(final RIBSupport ribSupport, final DOMTransactionChain chain, final YangInstanceIdentifier target, final Long ourAs) {
+ LocRibWriter(final RIBSupport ribSupport, final DOMTransactionChain chain, final YangInstanceIdentifier target, final Long ourAs,
+ final DOMDataTreeChangeService service, final PolicyDatabase pd, final TablesKey tablesKey) {
this.chain = Preconditions.checkNotNull(chain);
- this.target = Preconditions.checkNotNull(target);
+ this.locRibTarget = Preconditions.checkNotNull(target).node(LocRib.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(tablesKey));
this.ourAs = Preconditions.checkNotNull(ourAs);
- this.ribSupport = Preconditions.checkNotNull(ribSupport);
+ this.attributesIdentifier = ribSupport.routeAttributesIdentifier();
+ this.peerPolicyTracker = new ExportPolicyPeerTracker(service, target, pd);
+ this.ribSupport = ribSupport;
+ final YangInstanceIdentifier tableId = target.node(Peer.QNAME).node(Peer.QNAME).node(EffectiveRibIn.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(tablesKey));
+ service.registerDataTreeChangeListener(new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, tableId), this);
+ }
+
+ public static LocRibWriter create(@Nonnull final RIBSupport ribSupport, @Nonnull final TablesKey tablesKey, @Nonnull final DOMTransactionChain chain, @Nonnull final YangInstanceIdentifier target,
+ @Nonnull final AsNumber ourAs, @Nonnull final DOMDataTreeChangeService service, @Nonnull final PolicyDatabase pd) {
+ return new LocRibWriter(ribSupport, chain, target, ourAs.getValue(), service, pd, tablesKey);
+ }
+
+ @Override
+ public void close() {
+ this.peerPolicyTracker.close();
+ }
+
+ private static void printChildren(final DataTreeCandidateNode root) {
+ LOG.debug("Candidate node {} type {} identifier {}", root, root.getModificationType(), root.getIdentifier());
+ if (ModificationType.WRITE.equals(root.getModificationType())) {
+ LOG.debug("Data after {}", root.getDataAfter());
+ }
+ if (root.getChildNodes().isEmpty()) {
+ return;
+ }
+ for (final DataTreeCandidateNode child : root.getChildNodes()) {
+ printChildren(child);
+ }
}
@Override
public void onDataTreeChanged(final Collection<DataTreeCandidate> changes) {
+ final DOMDataWriteTransaction tx = this.chain.newWriteOnlyTransaction();
+ LOG.trace("Received data change to LocRib {}", Arrays.toString(changes.toArray()));
/*
* We use two-stage processing here in hopes that we avoid duplicate
* calculations when multiple peers have changed a particular entry.
*/
final Map<RouteUpdateKey, RouteEntry> toUpdate = new HashMap<>();
- for (DataTreeCandidate tc : changes) {
+ for (final DataTreeCandidate tc : changes) {
final YangInstanceIdentifier path = tc.getRootPath();
- final PathArgument routeId = path.getLastPathArgument();
final NodeIdentifierWithPredicates peerKey = IdentifierUtils.peerKey(path);
final PeerId peerId = IdentifierUtils.peerId(peerKey);
final UnsignedInteger routerId = RouterIds.routerIdForPeerId(peerId);
-
- RouteEntry entry = routeEntries.get(routeId);
- if (tc.getRootNode().getDataAfter().isPresent()) {
- if (entry == null) {
- entry = new RouteEntry();
- routeEntries.put(routeId, entry);
- }
-
- entry.addRoute(routerId, (ContainerNode) tc.getRootNode().getDataAfter().get());
- } else if (entry != null) {
- if (entry.removeRoute(routerId)) {
- routeEntries.remove(routeId);
- entry = null;
+ for (final DataTreeCandidateNode child : tc.getRootNode().getChildNodes()) {
+ tx.merge(LogicalDatastoreType.OPERATIONAL, this.locRibTarget.node(child.getIdentifier()), child.getDataAfter().get());
+ for (final DataTreeCandidateNode route : this.ribSupport.changedRoutes(child)) {
+ final PathArgument routeId = route.getIdentifier();
+ RouteEntry entry = this.routeEntries.get(routeId);
+ if (route.getDataAfter().isPresent()) {
+ if (entry == null) {
+ entry = new RouteEntry();
+ this.routeEntries.put(routeId, entry);
+ LOG.trace("Created new entry for {}", routeId);
+ }
+ LOG.trace("Find {} in {}", this.attributesIdentifier, route.getDataAfter());
+ final ContainerNode advertisedAttrs = (ContainerNode) NormalizedNodes.findNode(route.getDataAfter(), this.attributesIdentifier).orNull();
+ entry.addRoute(routerId, advertisedAttrs);
+ LOG.trace("Added route from {} attributes {}", routerId, advertisedAttrs);
+ } else if (entry != null && entry.removeRoute(routerId)) {
+ this.routeEntries.remove(routeId);
+ entry = null;
+ LOG.trace("Removed route from {}", routerId);
+ }
+ LOG.debug("Updated route {} entry {}", routeId, entry);
+ toUpdate.put(new RouteUpdateKey(peerId, routeId), entry);
}
}
-
- toUpdate.put(new RouteUpdateKey(peerId, routeId), entry);
}
- final DOMDataWriteTransaction tx = chain.newWriteOnlyTransaction();
-
// Now walk all updated entries
- for (Entry<RouteUpdateKey, RouteEntry> e : toUpdate.entrySet()) {
+ for (final Entry<RouteUpdateKey, RouteEntry> e : toUpdate.entrySet()) {
+ LOG.trace("Walking through {}", e);
final RouteEntry entry = e.getValue();
final NormalizedNode<?, ?> value;
if (entry != null) {
- if (!entry.selectBest(ourAs)) {
+ if (!entry.selectBest(this.ourAs)) {
// Best path has not changed, no need to do anything else. Proceed to next route.
+ LOG.trace("Continuing");
continue;
}
-
value = entry.bestValue(e.getKey().getRouteId());
+ LOG.trace("Selected best value {}", value);
} else {
value = null;
}
-
+ final YangInstanceIdentifier writePath = this.ribSupport.routePath(this.locRibTarget, e.getKey().getRouteId());
if (value != null) {
- tx.put(LogicalDatastoreType.OPERATIONAL, target.node(e.getKey().getRouteId()), value);
+ LOG.debug("Write route to LocRib {}", value);
+ tx.put(LogicalDatastoreType.OPERATIONAL, writePath, value);
} else {
- tx.delete(LogicalDatastoreType.OPERATIONAL, target.node(e.getKey().getRouteId()));
+ LOG.debug("Delete route from LocRib {}", entry);
+ tx.delete(LogicalDatastoreType.OPERATIONAL, writePath);
}
/*
* if we have two eBGP peers, for example, there is no reason why we should perform the translation
* multiple times.
*/
- for (Entry<PeerRole, AbstractExportPolicy> pe : AbstractExportPolicy.POLICIES.entrySet()) {
- final Map<PeerId, YangInstanceIdentifier> toPeers = peersToUpdate.get(pe.getKey());
- if (toPeers == null || toPeers.isEmpty()) {
- continue;
- }
-
- final ContainerNode attributes = null;
- final PeerId peerId = e.getKey().getPeerId();
- final ContainerNode effectiveAttributes = pe.getValue().effectiveAttributes(peers.get(peerId), attributes);
-
- for (Entry<PeerId, YangInstanceIdentifier> pid : toPeers.entrySet()) {
- // This points to adj-rib-out for a particlar peer/table combination
- final YangInstanceIdentifier routeTarget = pid.getValue().node(e.getKey().getRouteId());
-
- if (effectiveAttributes != null && value != null && !peerId.equals(pid.getKey())) {
- tx.put(LogicalDatastoreType.OPERATIONAL, routeTarget, value);
- tx.put(LogicalDatastoreType.OPERATIONAL, routeTarget.node(ribSupport.routeAttributes()), effectiveAttributes);
- } else {
- tx.delete(LogicalDatastoreType.OPERATIONAL, routeTarget);
+ // FIXME: temporary disable AdjRibsOut
+ /*for (final PeerRole role : PeerRole.values()) {
+ final PeerExportGroup peerGroup = this.peerPolicyTracker.getPeerGroup(role);
+ if (peerGroup != null) {
+ final ContainerNode attributes = null;
+ final PeerId peerId = e.getKey().getPeerId();
+ final ContainerNode effectiveAttributes = peerGroup.effectiveAttributes(peerId, attributes);
+
+ for (final Entry<PeerId, YangInstanceIdentifier> pid : peerGroup.getPeers()) {
+ // This points to adj-rib-out for a particular peer/table combination
+ final YangInstanceIdentifier routeTarget = pid.getValue().node(e.getKey().getRouteId());
+
+ if (effectiveAttributes != null && value != null && !peerId.equals(pid.getKey())) {
+ LOG.debug("Write route to AdjRibsOut {}", value);
+ tx.put(LogicalDatastoreType.OPERATIONAL, routeTarget, value);
+ tx.put(LogicalDatastoreType.OPERATIONAL, routeTarget.node(this.attributesIdentifier), effectiveAttributes);
+ } else {
+ LOG.trace("Removing {} from transaction", routeTarget);
+ tx.delete(LogicalDatastoreType.OPERATIONAL, routeTarget);
+ }
}
}
- }
+ }*/
}
tx.submit();
Code Review / bgpcep.git / blobdiff