@VisibleForTesting static Multiset<Row> getEigrpEdges( Set<String> includeNodes, Set<String> includeRemoteNodes, Network<EigrpInterface, EigrpEdge> eigrpTopology) { return eigrpTopology.edges().stream() .filter( eigrpEdge -> includeNodes.contains(eigrpEdge.getNode1().getHostname()) && includeRemoteNodes.contains(eigrpEdge.getNode2().getHostname())) .map(EdgesAnswerer::eigrpEdgeToRow) .collect(Collectors.toCollection(HashMultiset::create)); }
private void queueOutgoingExternalRoutes( Map<String, Node> allNodes, @Nonnull RibDelta<EigrpExternalRoute> delta) { // Loop over neighbors, enqueue messages for (EigrpEdge edge : _incomingRoutes.keySet()) { Queue<RouteAdvertisement<EigrpExternalRoute>> queue = requireNonNull( allNodes .get(edge.getNode1().getHostname()) .getVirtualRouters() .get(edge.getNode1().getVrf()) .getEigrpProcess(_asn)) ._incomingRoutes .get(edge.reverse()); VirtualRouter.queueDelta(queue, delta); } }
/** * Propagate EIGRP internal routes from every valid EIGRP neighbors * * @param nodes mapping of node names to instances. * @param topology network topology * @param nc All network configurations * @return true if new routes have been added to the staging RIB */ boolean propagateInternalRoutes( Map<String, Node> nodes, Network<EigrpInterface, EigrpEdge> topology, NetworkConfigurations nc) { return _interfaces.stream() .filter(topology.nodes()::contains) .flatMap(n -> topology.inEdges(n).stream()) .map( edge -> propagateInternalRoutesFromNeighbor( nodes.get(edge.getNode1().getHostname()), edge.getNode2().getInterfaceSettings(nc).getMetric(), edge.getNode1().getInterface(nc))) .reduce(false, (a, b) -> a || b); }
/** Initialize the EIGRP topology as a directed graph. */ public static Network<EigrpInterface, EigrpEdge> initEigrpTopology( Map<String, Configuration> configurations, Topology topology) { Set<EigrpEdge> edges = topology.getEdges().stream() .map(edge -> EigrpEdge.edgeIfAdjacent(edge, configurations)) .filter(Optional::isPresent) .map(Optional::get) .collect(ImmutableSet.toImmutableSet()); MutableNetwork<EigrpInterface, EigrpEdge> graph = NetworkBuilder.directed().allowsParallelEdges(false).allowsSelfLoops(false).build(); ImmutableSet.Builder<EigrpInterface> nodes = ImmutableSet.builder(); edges.forEach( edge -> { nodes.add(edge.getNode1()); nodes.add(edge.getNode2()); }); nodes.build().forEach(graph::addNode); edges.forEach(edge -> graph.addEdge(edge.getNode1(), edge.getNode2(), edge)); return ImmutableNetwork.copyOf(graph); } }
@VisibleForTesting static Row eigrpEdgeToRow(EigrpEdge eigrpEdge) { RowBuilder row = Row.builder(); row.put( COL_INTERFACE, new NodeInterfacePair( eigrpEdge.getNode1().getHostname(), eigrpEdge.getNode1().getInterfaceName())) .put( COL_REMOTE_INTERFACE, new NodeInterfacePair( eigrpEdge.getNode2().getHostname(), eigrpEdge.getNode2().getInterfaceName())); return row.build(); }
Interface nextHopIntf = edge.getNode1().getInterface(nc); Interface connectingIntf = edge.getNode2().getInterface(nc);