*/
package org.opendaylight.bgpcep.pcep.tunnel.provider;
-import java.util.Map.Entry;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Future;
-
-import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
-import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
-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.pcep.types.rev131005.SymbolicPathName;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.ReportedLsps;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.JdkFutureAdapters;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+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.common.api.data.AsyncDataChangeEvent;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.AdministrativeStatus;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Path1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv4Case;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv6Case;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv4._case.Ipv4;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.Node1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.PathComputationClient;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.ReportedLsp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.Path;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.Link1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.Link1Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.SupportingNode1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.SupportingNode1Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.tunnel.pcep.supporting.node.attributes.PathComputationClientBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.LinkId;
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.TpId;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.DestinationBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.SourceBuilder;
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.Link;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkKey;
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.NodeBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNode;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNodeBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNodeKey;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.TerminationPoint1;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.TerminationPoint1Builder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.IgpTerminationPointAttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.igp.termination.point.attributes.TerminationPointType;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.igp.termination.point.attributes.termination.point.type.Ip;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.igp.termination.point.attributes.termination.point.type.IpBuilder;
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;
+public final class NodeChangedListener implements DataChangeListener {
+ private static final Logger LOG = LoggerFactory.getLogger(NodeChangedListener.class);
+ private final InstanceIdentifier<Topology> target;
+ private final DataBroker dataProvider;
+
+ NodeChangedListener(final DataBroker dataProvider, final InstanceIdentifier<Topology> target) {
+ this.dataProvider = Preconditions.checkNotNull(dataProvider);
+ this.target = Preconditions.checkNotNull(target);
+ }
+
+ private static void categorizeIdentifier(final InstanceIdentifier<?> i, final Set<InstanceIdentifier<ReportedLsp>> changedLsps,
+ final Set<InstanceIdentifier<Node>> changedNodes) {
+ final InstanceIdentifier<ReportedLsp> li = i.firstIdentifierOf(ReportedLsp.class);
+ if (li == null) {
+ final InstanceIdentifier<Node> ni = i.firstIdentifierOf(Node.class);
+ if (ni == null) {
+ LOG.warn("Ignoring uncategorized identifier {}", i);
+ } else {
+ changedNodes.add(ni);
+ }
+ } else {
+ changedLsps.add(li);
+ }
+ }
+
+ private static void enumerateLsps(final InstanceIdentifier<Node> id, final Node node, final Set<InstanceIdentifier<ReportedLsp>> lsps) {
+ if (node == null) {
+ LOG.trace("Skipping null node", id);
+ return;
+ }
+ final Node1 pccnode = node.getAugmentation(Node1.class);
+ if (pccnode == null) {
+ LOG.trace("Skipping non-PCEP-enabled node {}", id);
+ return;
+ }
+
+ for (final ReportedLsp l : pccnode.getPathComputationClient().getReportedLsp()) {
+ lsps.add(id.builder().augmentation(Node1.class).child(PathComputationClient.class).child(ReportedLsp.class, l.getKey()).toInstance());
+ }
+ }
+
+ private static LinkId linkIdForLsp(final InstanceIdentifier<ReportedLsp> i, final ReportedLsp lsp) {
+ return new LinkId(i.firstKeyOf(Node.class, NodeKey.class).getNodeId().getValue() + "/lsps/" + lsp.getName());
+ }
+
+ private InstanceIdentifier<Link> linkForLsp(final LinkId linkId) {
+ return this.target.child(Link.class, new LinkKey(linkId));
+ }
+
+ private SupportingNode createSupportingNode(final NodeId sni, final Boolean inControl) {
+ final SupportingNodeKey sk = new SupportingNodeKey(sni);
+ final SupportingNodeBuilder snb = new SupportingNodeBuilder();
+ snb.setNodeRef(sni);
+ snb.setKey(sk);
+ snb.addAugmentation(SupportingNode1.class, new SupportingNode1Builder().setPathComputationClient(
+ new PathComputationClientBuilder().setControlling(inControl).build()).build());
+
+ return snb.build();
+ }
+
+ private InstanceIdentifier<TerminationPoint> getIpTerminationPoint(final ReadWriteTransaction trans, final IpAddress addr,
+ final InstanceIdentifier<Node> sni, final Boolean inControl) throws ReadFailedException {
+ final Topology topo = trans.read(LogicalDatastoreType.OPERATIONAL, this.target).checkedGet().get();
+ if (topo.getNode() != null && !topo.getNode().isEmpty()) {
+ for (final Node n : topo.getNode()) {
+ if(n.getTerminationPoint() != null && !n.getTerminationPoint().isEmpty()) {
+ for (final TerminationPoint tp : n.getTerminationPoint()) {
+ final TerminationPoint1 tpa = tp.getAugmentation(TerminationPoint1.class);
+
+ if (tpa != null) {
+ final TerminationPointType tpt = tpa.getIgpTerminationPointAttributes().getTerminationPointType();
+
+ if (tpt instanceof Ip) {
+ for (final IpAddress a : ((Ip) tpt).getIpAddress()) {
+ if (addr.equals(a)) {
+ if (sni != null) {
+ final NodeKey k = InstanceIdentifier.keyOf(sni);
+ boolean have = false;
+
+ /*
+ * We may have found a termination point which has been created as a destination,
+ * so it does not have a supporting node pointer. Since we now know what it is,
+ * fill it in.
+ */
+ if (n.getSupportingNode() != null) {
+ for (final SupportingNode sn : n.getSupportingNode()) {
+ if (sn.getNodeRef().equals(k.getNodeId())) {
+ have = true;
+ break;
+ }
+ }
+ }
+
+ if (!have) {
+ final SupportingNode sn = createSupportingNode(k.getNodeId(), inControl);
+
+ trans.put(LogicalDatastoreType.OPERATIONAL, this.target.child(Node.class, n.getKey()).child(
+ SupportingNode.class, sn.getKey()), sn);
+ }
+ }
+ return this.target.builder().child(Node.class, n.getKey()).child(TerminationPoint.class, tp.getKey()).toInstance();
+ }
+ }
+ } else {
+ LOG.debug("Ignoring termination point type {}", tpt);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ LOG.debug("Termination point for {} not found, creating a new one", addr);
+
+ final String url = "ip://" + addr.toString();
+ final TerminationPointKey tpk = new TerminationPointKey(new TpId(url));
+ final TerminationPointBuilder tpb = new TerminationPointBuilder();
+ tpb.setKey(tpk).setTpId(tpk.getTpId());
+ tpb.addAugmentation(TerminationPoint1.class, new TerminationPoint1Builder().setIgpTerminationPointAttributes(
+ new IgpTerminationPointAttributesBuilder().setTerminationPointType(
+ new IpBuilder().setIpAddress(Lists.newArrayList(addr)).build()).build()).build());
+
+ final NodeKey nk = new NodeKey(new NodeId(url));
+ final NodeBuilder nb = new NodeBuilder();
+ nb.setKey(nk).setNodeId(nk.getNodeId());
+ nb.setTerminationPoint(Lists.newArrayList(tpb.build()));
+ if (sni != null) {
+ nb.setSupportingNode(Lists.newArrayList(createSupportingNode(InstanceIdentifier.keyOf(sni).getNodeId(), inControl)));
+ }
+
+ final InstanceIdentifier<Node> nid = this.target.child(Node.class, nb.getKey());
+ trans.put(LogicalDatastoreType.OPERATIONAL, nid, nb.build());
+ return nid.child(TerminationPoint.class, tpb.getKey());
+ }
+
+ private void create(final ReadWriteTransaction trans, final InstanceIdentifier<ReportedLsp> i, final ReportedLsp value) throws ReadFailedException {
+ final InstanceIdentifier<Node> ni = i.firstIdentifierOf(Node.class);
+
+ final Path1 rl = value.getPath().get(0).getAugmentation(Path1.class);
+
+ final AddressFamily af = rl.getLsp().getTlvs().getLspIdentifiers().getAddressFamily();
+
+ /*
+ * We are trying to ensure we have source and destination nodes.
+ */
+ final IpAddress srcIp, dstIp;
+ if (af instanceof Ipv4Case) {
+ final Ipv4 ipv4 = ((Ipv4Case) af).getIpv4();
+ srcIp = new IpAddress(ipv4.getIpv4TunnelSenderAddress());
+ dstIp = new IpAddress(ipv4.getIpv4TunnelEndpointAddress());
+ } else if (af instanceof Ipv6Case) {
+ final Ipv6 ipv6 = ((Ipv6Case) af).getIpv6();
+ srcIp = new IpAddress(ipv6.getIpv6TunnelSenderAddress());
+ dstIp = new IpAddress(ipv6.getIpv6TunnelSenderAddress());
+ } else {
+ throw new IllegalArgumentException("Unsupported address family: " + af.getImplementedInterface());
+ }
+
+ final Path path0 = value.getPath().get(0);
+ final Link1Builder lab = new Link1Builder();
+ if (path0.getBandwidth() != null) {
+ lab.setBandwidth(path0.getBandwidth().getBandwidth());
+ }
+ if (path0.getClassType() != null) {
+ lab.setClassType(path0.getClassType().getClassType());
+ }
+ lab.setSymbolicPathName(value.getName());
+
+ final InstanceIdentifier<TerminationPoint> dst = getIpTerminationPoint(trans, dstIp, null, Boolean.FALSE);
+ final InstanceIdentifier<TerminationPoint> src = getIpTerminationPoint(trans, srcIp, ni, rl.getLsp().isDelegate());
+
+ final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Link1Builder slab = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Link1Builder();
+ slab.setOperationalStatus(rl.getLsp().getOperational());
+ slab.setAdministrativeStatus(rl.getLsp().isAdministrative() ? AdministrativeStatus.Active : AdministrativeStatus.Inactive);
+
+ final LinkId id = linkIdForLsp(i, value);
+ final LinkBuilder lb = new LinkBuilder();
+ lb.setLinkId(id);
+
+ lb.setSource(new SourceBuilder().setSourceNode(src.firstKeyOf(Node.class, NodeKey.class).getNodeId()).setSourceTp(
+ src.firstKeyOf(TerminationPoint.class, TerminationPointKey.class).getTpId()).build());
+ lb.setDestination(new DestinationBuilder().setDestNode(dst.firstKeyOf(Node.class, NodeKey.class).getNodeId()).setDestTp(
+ dst.firstKeyOf(TerminationPoint.class, TerminationPointKey.class).getTpId()).build());
+ lb.addAugmentation(Link1.class, lab.build());
+ lb.addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Link1.class,
+ slab.build());
+
+ trans.put(LogicalDatastoreType.OPERATIONAL, linkForLsp(id), lb.build());
+ }
+
+ private InstanceIdentifier<TerminationPoint> tpIdentifier(final NodeId node, final TpId tp) {
+ return this.target.builder().child(Node.class, new NodeKey(node)).child(TerminationPoint.class, new TerminationPointKey(tp)).toInstance();
+ }
+
+ private InstanceIdentifier<Node> nodeIdentifier(final NodeId node) {
+ return this.target.child(Node.class, new NodeKey(node));
+ }
+
+ private void remove(final ReadWriteTransaction trans, final InstanceIdentifier<ReportedLsp> i, final ReportedLsp value) throws ReadFailedException {
+ final InstanceIdentifier<Link> li = linkForLsp(linkIdForLsp(i, value));
+
+ final Optional<Link> ol = trans.read(LogicalDatastoreType.OPERATIONAL, li).checkedGet();
+ if (!ol.isPresent()) {
+ return;
+ }
+
+ final Link l = (Link) ol.get();
+ LOG.debug("Removing link {} (was {})", li, l);
+ trans.delete(LogicalDatastoreType.OPERATIONAL, li);
+
+ LOG.debug("Searching for orphan links/nodes");
+ final Optional<Topology> ot = trans.read(LogicalDatastoreType.OPERATIONAL, this.target).checkedGet();
+ Preconditions.checkState(ot.isPresent());
+
+ final Topology t = (Topology) ot.get();
+ NodeId srcNode = l.getSource().getSourceNode();
+ NodeId dstNode = l.getDestination().getDestNode();
+ TpId srcTp = l.getSource().getSourceTp();
+ TpId dstTp = l.getDestination().getDestTp();
+
+ boolean orphSrcNode = true, orphDstNode = true, orphDstTp = true, orphSrcTp = true;
+ for (final Link lw : t.getLink()) {
+ LOG.trace("Checking link {}", lw);
+
+ final NodeId sn = lw.getSource().getSourceNode();
+ final NodeId dn = lw.getDestination().getDestNode();
+ final TpId st = lw.getSource().getSourceTp();
+ final TpId dt = lw.getDestination().getDestTp();
+
+ // Source node checks
+ if (srcNode.equals(sn)) {
+ if (orphSrcNode) {
+ LOG.debug("Node {} held by source of link {}", srcNode, lw);
+ orphSrcNode = false;
+ }
+ if (orphSrcTp && srcTp.equals(st)) {
+ LOG.debug("TP {} held by source of link {}", srcTp, lw);
+ orphSrcTp = false;
+ }
+ }
+ if (srcNode.equals(dn)) {
+ if (orphSrcNode) {
+ LOG.debug("Node {} held by destination of link {}", srcNode, lw);
+ orphSrcNode = false;
+ }
+ if (orphSrcTp && srcTp.equals(dt)) {
+ LOG.debug("TP {} held by destination of link {}", srcTp, lw);
+ orphSrcTp = false;
+ }
+ }
+
+ // Destination node checks
+ if (dstNode.equals(sn)) {
+ if (orphDstNode) {
+ LOG.debug("Node {} held by source of link {}", dstNode, lw);
+ orphDstNode = false;
+ }
+ if (orphDstTp && dstTp.equals(st)) {
+ LOG.debug("TP {} held by source of link {}", dstTp, lw);
+ orphDstTp = false;
+ }
+ }
+ if (dstNode.equals(dn)) {
+ if (orphDstNode) {
+ LOG.debug("Node {} held by destination of link {}", dstNode, lw);
+ orphDstNode = false;
+ }
+ if (orphDstTp && dstTp.equals(dt)) {
+ LOG.debug("TP {} held by destination of link {}", dstTp, lw);
+ orphDstTp = false;
+ }
+ }
+ }
+
+ if (orphSrcNode && !orphSrcTp) {
+ LOG.warn("Orphan source node {} but not TP {}, retaining the node", srcNode, srcTp);
+ orphSrcNode = false;
+ }
+ if (orphDstNode && !orphDstTp) {
+ LOG.warn("Orphan destination node {} but not TP {}, retaining the node", dstNode, dstTp);
+ orphDstNode = false;
+ }
+
+ if (orphSrcNode) {
+ LOG.debug("Removing orphan node {}", srcNode);
+ trans.delete(LogicalDatastoreType.OPERATIONAL, nodeIdentifier(srcNode));
+ } else if (orphSrcTp) {
+ LOG.debug("Removing orphan TP {} on node {}", srcTp, srcNode);
+ trans.delete(LogicalDatastoreType.OPERATIONAL, tpIdentifier(srcNode, srcTp));
+ }
+ if (orphDstNode) {
+ LOG.debug("Removing orphan node {}", dstNode);
+ trans.delete(LogicalDatastoreType.OPERATIONAL, nodeIdentifier(dstNode));
+ } else if (orphDstTp) {
+ LOG.debug("Removing orphan TP {} on node {}", dstTp, dstNode);
+ trans.delete(LogicalDatastoreType.OPERATIONAL, tpIdentifier(dstNode, dstTp));
+ }
+ }
+
+ @Override
+ public void onDataChanged(final AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
+ final ReadWriteTransaction trans = this.dataProvider.newReadWriteTransaction();
+
+ final Set<InstanceIdentifier<ReportedLsp>> lsps = new HashSet<>();
+ final Set<InstanceIdentifier<Node>> nodes = new HashSet<>();
+
+ // Categorize reported identifiers
+ for (final InstanceIdentifier<?> i : change.getRemovedPaths()) {
+ categorizeIdentifier(i, lsps, nodes);
+ }
+ for (final InstanceIdentifier<?> i : change.getUpdatedData().keySet()) {
+ categorizeIdentifier(i, lsps, nodes);
+ }
+ for (final InstanceIdentifier<?> i : change.getCreatedData().keySet()) {
+ categorizeIdentifier(i, lsps, nodes);
+ }
+
+ // Get the subtrees
+ final Map<InstanceIdentifier<?>, ? extends DataObject> o = change.getOriginalData();
+ final Map<InstanceIdentifier<?>, DataObject> u = change.getUpdatedData();
+ final Map<InstanceIdentifier<?>, DataObject> c = change.getCreatedData();
+
+ // Now walk all nodes, check for removals/additions and cascade them to LSPs
+ for (final InstanceIdentifier<Node> i : nodes) {
+ enumerateLsps(i, (Node) o.get(i), lsps);
+ enumerateLsps(i, (Node) u.get(i), lsps);
+ enumerateLsps(i, (Node) c.get(i), lsps);
+ }
+
+ // We now have list of all affected LSPs. Walk them create/remove them
+ for (final InstanceIdentifier<ReportedLsp> i : lsps) {
+ final ReportedLsp oldValue = (ReportedLsp) o.get(i);
+ ReportedLsp newValue = (ReportedLsp) u.get(i);
+ if (newValue == null) {
+ newValue = (ReportedLsp) c.get(i);
+ }
+
+ LOG.debug("Updating lsp {} value {} -> {}", i, oldValue, newValue);
+ if (oldValue != null) {
+ try {
+ remove(trans, i, oldValue);
+ } catch (ReadFailedException e) {
+ LOG.warn("Failed to remove LSP {}", i, e);
+ }
+ }
+ if (newValue != null) {
+ try {
+ create(trans, i, newValue);
+ } catch (ReadFailedException e) {
+ LOG.warn("Failed to add LSP {}", i, e);
+ }
+ }
+ }
+
+ Futures.addCallback(JdkFutureAdapters.listenInPoolThread(trans.submit()), new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(final Void result) {
+ LOG.trace("Topology change committed successfully");
+ }
+
+ @Override
+ public void onFailure(final Throwable t) {
+ LOG.error("Failed to propagate a topology change, target topology became inconsistent", t);
+ }
+ });
+ }
-final class NodeChangedListener implements DataChangeListener {
- private static final Logger LOG = LoggerFactory.getLogger(NodeChangedListener.class);
- private final InstanceIdentifier<Topology> target;
- private final DataProviderService dataProvider;
-
- NodeChangedListener(final DataProviderService dataProvider, final InstanceIdentifier<Topology> target) {
- this.dataProvider = Preconditions.checkNotNull(dataProvider);
- this.target = Preconditions.checkNotNull(target);
- }
-
- private void remove(final DataModificationTransaction trans, final InstanceIdentifier<?> id) {
- if (Node.class.equals(id.getTargetType())) {
- // FIXME: implement this
- } else if (ReportedLsps.class.equals(id.getTargetType())) {
- // FIXME: implement this
- } else {
- LOG.debug("Ignoring changed instance {}", id);
- }
- }
-
- private void create(final DataModificationTransaction trans, final InstanceIdentifier<?> id, final DataObject obj) {
- // FIXME: implement this
- }
-
- @Override
- public void onDataChanged(final DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
- final DataModificationTransaction trans = dataProvider.beginTransaction();
-
- for (final InstanceIdentifier<?> i : change.getRemovedOperationalData()) {
- remove(trans, i);
- }
-
- for (final Entry<InstanceIdentifier<?>, DataObject> e : change.getUpdatedOperationalData().entrySet()) {
- remove(trans, e.getKey());
- create(trans, e.getKey(), e.getValue());
- }
-
- for (final Entry<InstanceIdentifier<?>, DataObject> e : change.getCreatedOperationalData().entrySet()) {
- create(trans, e.getKey(), e.getValue());
- }
-
- final Future<RpcResult<TransactionStatus>> f = trans.commit();
-
- // FIXME: change to a subscribtion once that is possible
- try {
- f.get();
- } catch (InterruptedException | ExecutionException e) {
- LOG.error("Failed to propagate a topology change, target topology became inconsistent", e);
- }
- }
-
- public static InstanceIdentifier<Link> linkIdentifier(final InstanceIdentifier<Topology> topology,
- final NodeId node, final SymbolicPathName name) {
- return InstanceIdentifier.builder(topology).
- node(Link.class, new LinkKey(new LinkId(node.getValue() + "/lsp/" + name))).toInstance();
- }
+ public static InstanceIdentifier<Link> linkIdentifier(final InstanceIdentifier<Topology> topology, final NodeId node, final String name) {
+ return topology.child(Link.class, new LinkKey(new LinkId(node.getValue() + "/lsp/" + name)));
+ }
}
Code Review / bgpcep.git / blobdiff