import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
+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.DOMDataWriteTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionConsumerContext;
import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathAttributes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlri;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpUnreachNlri;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
+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;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.RibKey;
+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.AdjRibIn;
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.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
final class AdjRibInWriter {
private static final Logger LOG = LoggerFactory.getLogger(AdjRibInWriter.class);
- // FIXME: is there a utility method to construct this?
- private static final ContainerNode EMPTY_ADJRIBIN = Builders.containerBuilder().withNodeIdentifier(new NodeIdentifier(AdjRibIn.QNAME)).addChild(ImmutableNodes.mapNodeBuilder(Tables.QNAME).build()).build();
private static final LeafNode<Boolean> ATTRIBUTES_UPTODATE_FALSE = ImmutableNodes.leafNode(QName.create(Attributes.QNAME, "uptodate"), Boolean.FALSE);
private static final LeafNode<Boolean> ATTRIBUTES_UPTODATE_TRUE = ImmutableNodes.leafNode(ATTRIBUTES_UPTODATE_FALSE.getNodeType(), Boolean.TRUE);
- private static final QName AFI_QNAME = QName.create(Tables.QNAME, "afi");
- private static final QName SAFI_QNAME = QName.create(Tables.QNAME, "safi");
+ private static final QName RIB_ID_QNAME = QName.cachedReference(QName.create(Rib.QNAME, "id"));
+ private static final QName AFI_QNAME = QName.cachedReference(QName.create(Tables.QNAME, "afi"));
+ private static final QName SAFI_QNAME = QName.cachedReference(QName.create(Tables.QNAME, "safi"));
+ private static final QName PEER_ID_QNAME = QName.cachedReference(QName.create(Peer.QNAME, "peer-id"));
+ private static final QName PEER_ROLE_QNAME = QName.cachedReference(QName.create(Peer.QNAME, "peer-role"));
+ private static final NodeIdentifier ADJRIBIN = new NodeIdentifier(AdjRibIn.QNAME);
+ private static final NodeIdentifier PEER_ID = new NodeIdentifier(PEER_ID_QNAME);
+ private static final NodeIdentifier PEER_ROLE = new NodeIdentifier(PEER_ROLE_QNAME);
+ private static final NodeIdentifier TABLES = new NodeIdentifier(Tables.QNAME);
+
+ // FIXME: is there a utility method to construct this?
+ private static final ContainerNode EMPTY_ADJRIBIN = Builders.containerBuilder().withNodeIdentifier(ADJRIBIN).addChild(ImmutableNodes.mapNodeBuilder(Tables.QNAME).build()).build();
private final Map<TablesKey, TableContext> tables;
- private final YangInstanceIdentifier adjRibInRoot;
+ private final YangInstanceIdentifier tablesRoot;
+ private final YangInstanceIdentifier ribPath;
private final DOMTransactionChain chain;
+ private final Ipv4Address peerId = null;
+ private final String role;
/*
* FIXME: transaction chain has to be instantiated in caller, so it can terminate us when it fails.
*/
- private AdjRibInWriter(final DOMTransactionChain chain, final YangInstanceIdentifier adjRibInRoot, final Map<TablesKey, TableContext> tables) {
+ private AdjRibInWriter(final YangInstanceIdentifier ribPath, final DOMTransactionChain chain, final String role, final YangInstanceIdentifier tablesRoot, final Map<TablesKey, TableContext> tables) {
+ this.ribPath = Preconditions.checkNotNull(ribPath);
this.chain = Preconditions.checkNotNull(chain);
- this.adjRibInRoot = Preconditions.checkNotNull(adjRibInRoot);
this.tables = Preconditions.checkNotNull(tables);
+ this.role = Preconditions.checkNotNull(role);
+ this.tablesRoot = tablesRoot;
}
- static AdjRibInWriter create(final DOMTransactionChain chain, final YangInstanceIdentifier peer) {
- // Not used often, no need to optimize it via builder
- final YangInstanceIdentifier adjRibInRoot = peer.node(EMPTY_ADJRIBIN.getIdentifier());
+ // We could use a codec, but this should be fine, too
+ private static String roleString(final PeerRole role) {
+ switch (role) {
+ case Ebgp:
+ return "ebgp";
+ case Ibgp:
+ return "ibgp";
+ case RrClient:
+ return "rr-client";
+ default:
+ throw new IllegalArgumentException("Unhandled role " + role);
+ }
+ }
- // Create top-level AdjRibIn with an empty table list
- final DOMDataWriteTransaction tx = chain.newWriteOnlyTransaction();
- tx.put(LogicalDatastoreType.OPERATIONAL, adjRibInRoot, EMPTY_ADJRIBIN);
- tx.submit();
+ /**
+ * Create a new writer using a transaction chain.
+ *
+ * @param role peer's role
+ * @param chain transaction chain
+ * @return A fresh writer instance
+ */
+ static AdjRibInWriter create(@Nonnull final RibKey key, @Nonnull final PeerRole role, @Nonnull final DOMTransactionChain chain) {
+ final InstanceIdentifierBuilder b = YangInstanceIdentifier.builder();
+ b.node(BgpRib.QNAME);
+ b.node(Rib.QNAME);
+ b.nodeWithKey(Rib.QNAME, RIB_ID_QNAME, key.getId().getValue());
- return new AdjRibInWriter(
chain, adjRibInRoot, Collections.<TablesKey, TableContext>emptyMap());
+ return new AdjRibInWriter(
b.build(), chain, roleString(role), null, Collections.<TablesKey, TableContext>emptyMap());
}
/**
* Empty tables are created for new entries and old tables are deleted. Once this
* method returns, the old instance must not be reasonably used.
*
+ * @param newPeerId new peer BGP identifier
+ * @param registry RIB extension registry
* @param tableTypes New tables, must not be null
* @return New writer
*/
- AdjRibInWriter changeTableTypes(final RIBExtensionConsumerContext registry, final Set<TablesKey> tableTypes) {
- if (tableTypes.equals(tables.keySet())) {
- return this;
- }
-
+ AdjRibInWriter transform(final Ipv4Address newPeerId, final RIBExtensionConsumerContext registry, final Set<TablesKey> tableTypes) {
final DOMDataWriteTransaction tx = chain.newWriteOnlyTransaction();
- // Wipe tables which are not present in the new types
- for (Entry<TablesKey, TableContext> e : tables.entrySet()) {
- if (!tableTypes.contains(e.getKey())) {
- e.getValue().removeTable(tx);
+ final YangInstanceIdentifier newTablesRoot;
+ if (!newPeerId.equals(this.peerId)) {
+ if (peerId != null) {
+ // Wipe old peer data completely
+ tx.delete(LogicalDatastoreType.OPERATIONAL, ribPath.node(Peer.QNAME).node(new NodeIdentifierWithPredicates(Peer.QNAME, PEER_ID_QNAME, peerId.getValue())));
+ }
+
+ // Install new empty peer structure
+ final NodeIdentifierWithPredicates peerKey = new NodeIdentifierWithPredicates(Peer.QNAME, PEER_ID_QNAME, newPeerId.getValue());
+ final YangInstanceIdentifier newPeerPath = ribPath.node(Peer.QNAME).node(peerKey);
+
+ final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> pb = Builders.mapEntryBuilder();
+ pb.withNodeIdentifier(peerKey);
+ pb.withChild(ImmutableNodes.leafNode(PEER_ID, newPeerId.getValue()));
+ pb.withChild(ImmutableNodes.leafNode(PEER_ROLE, role));
+ pb.withChild(EMPTY_ADJRIBIN);
+
+ tx.put(LogicalDatastoreType.OPERATIONAL, newPeerPath, pb.build());
+
+ newTablesRoot = newPeerPath.node(EMPTY_ADJRIBIN.getIdentifier()).node(TABLES);
+ } else {
+ newTablesRoot = tablesRoot;
+
+ // Wipe tables which are not present in the new types
+ for (Entry<TablesKey, TableContext> e : tables.entrySet()) {
+ if (!tableTypes.contains(e.getKey())) {
+ e.getValue().removeTable(tx);
+ }
}
}
+ // Now create new table instances, potentially creating their empty entries
final Builder<TablesKey, TableContext> tb = ImmutableMap.builder();
for (TablesKey k : tableTypes) {
TableContext ctx = tables.get(k);
}
// We will use table keys very often, make sure they are optimized
- final InstanceIdentifierBuilder idb = YangInstanceIdentifier.builder(adjRibInRoot);
+ final InstanceIdentifierBuilder idb = YangInstanceIdentifier.builder(newTablesRoot);
// FIXME: use codec to translate the key
final Map<QName, Object> keyValues = ImmutableMap.<QName, Object>of(AFI_QNAME, BindingReflections.getQName(k.getAfi()), SAFI_QNAME, BindingReflections.getQName(k.getSafi()));
tx.submit();
- return new AdjRibInWriter(chain, adjRibInRoot, tb.build());
+ return new AdjRibInWriter(ribPath, chain, role, newTablesRoot, tb.build());
}
/**
Code Review / bgpcep.git / blobdiff