Examples with Interface org.batfish.datamodel.Interface used on opensource projects

Example 6 with Interface

use of org.batfish.datamodel.Interface in project batfish by batfish.

the class VirtualRouter method propagateRipInternalRoutes.

/**
 * Process RIP routes from our neighbors.
 *
 * @param nodes Mapping of node names to Node instances
 * @param topology The network topology
 * @return True if the rib has changed as a result of route propagation
 */
boolean propagateRipInternalRoutes(Map<String, Node> nodes, Topology topology) {
    boolean changed = false;
    // No rip process, nothing to do
    if (_vrf.getRipProcess() == null) {
        return false;
    }
    String node = _c.getHostname();
    int admin = RoutingProtocol.RIP.getDefaultAdministrativeCost(_c.getConfigurationFormat());
    SortedSet<Edge> edges = topology.getNodeEdges().get(node);
    if (edges == null) {
        // there are no edges, so RIP won't produce anything
        return false;
    }
    for (Edge edge : edges) {
        // Do not accept routes from ourselves
        if (!edge.getNode1().equals(node)) {
            continue;
        }
        // Get interface
        String connectingInterfaceName = edge.getInt1();
        Interface connectingInterface = _vrf.getInterfaces().get(connectingInterfaceName);
        if (connectingInterface == null) {
            // wrong vrf, so skip
            continue;
        }
        // Get the neighbor and its interface + VRF
        String neighborName = edge.getNode2();
        Node neighbor = nodes.get(neighborName);
        String neighborInterfaceName = edge.getInt2();
        Interface neighborInterface = neighbor._c.getInterfaces().get(neighborInterfaceName);
        String neighborVrfName = neighborInterface.getVrfName();
        VirtualRouter neighborVirtualRouter = nodes.get(neighborName)._virtualRouters.get(neighborVrfName);
        if (connectingInterface.getRipEnabled() && !connectingInterface.getRipPassive() && neighborInterface.getRipEnabled() && !neighborInterface.getRipPassive()) {
            /*
         * We have a RIP neighbor relationship on this edge. So we should add all RIP routes
         * from this neighbor into our RIP internal staging rib, adding the incremental cost
         * (?), and using the neighborInterface's address as the next hop ip
         */
            for (RipInternalRoute neighborRoute : neighborVirtualRouter._ripInternalRib.getRoutes()) {
                long newCost = neighborRoute.getMetric() + RipProcess.DEFAULT_RIP_COST;
                Ip nextHopIp = neighborInterface.getAddress().getIp();
                RipInternalRoute newRoute = new RipInternalRoute(neighborRoute.getNetwork(), nextHopIp, admin, newCost);
                if (_ripInternalStagingRib.mergeRoute(newRoute)) {
                    changed = true;
                }
            }
        }
    }
    return changed;
}

Example 7 with Interface

use of org.batfish.datamodel.Interface in project batfish by batfish.

the class InterfacesSpecifierTest method matchesDesc.

@Test
public void matchesDesc() {
    InterfacesSpecifier specifier = new InterfacesSpecifier("desc:secret.*");
    Interface secretInterface = new Interface("Loopback0");
    secretInterface.setDescription("secrets are never secrets for long");
    Interface nonSecretInterface = new Interface("Ethetnet0/0");
    nonSecretInterface.setDescription("this interface couldn't keep its secret");
    assertThat(specifier.matches(secretInterface), equalTo(true));
    assertThat(specifier.matches(nonSecretInterface), equalTo(false));
}

Example 8 with Interface

use of org.batfish.datamodel.Interface in project batfish by batfish.

the class Batfish method processNodeBlacklist.

private void processNodeBlacklist(Map<String, Configuration> configurations, ValidateEnvironmentAnswerElement veae) {
    SortedSet<String> blacklistNodes = getNodeBlacklist();
    for (String hostname : blacklistNodes) {
        Configuration node = configurations.get(hostname);
        if (node != null) {
            for (Interface iface : node.getInterfaces().values()) {
                iface.setActive(false);
                iface.setBlacklisted(true);
            }
        } else {
            veae.setValid(false);
            veae.getUndefinedNodeBlacklistNodes().add(hostname);
        }
    }
}

Example 9 with Interface

use of org.batfish.datamodel.Interface in project batfish by batfish.

the class Batfish method disableUnusableVlanInterfaces.

private void disableUnusableVlanInterfaces(Map<String, Configuration> configurations) {
    for (Configuration c : configurations.values()) {
        Map<Integer, Interface> vlanInterfaces = new HashMap<>();
        Map<Integer, Integer> vlanMemberCounts = new HashMap<>();
        Set<Interface> nonVlanInterfaces = new HashSet<>();
        Integer vlanNumber = null;
        // vlanMemberCounts:
        for (Interface iface : c.getInterfaces().values()) {
            if ((iface.getInterfaceType() == InterfaceType.VLAN) && ((vlanNumber = CommonUtil.getInterfaceVlanNumber(iface.getName())) != null)) {
                vlanInterfaces.put(vlanNumber, iface);
                vlanMemberCounts.put(vlanNumber, 0);
            } else {
                nonVlanInterfaces.add(iface);
            }
        }
        // Update vlanMemberCounts:
        for (Interface iface : nonVlanInterfaces) {
            List<SubRange> vlans = new ArrayList<>();
            vlanNumber = iface.getAccessVlan();
            if (vlanNumber == 0) {
                // vlan trunked interface
                vlans.addAll(iface.getAllowedVlans());
                vlanNumber = iface.getNativeVlan();
            }
            vlans.add(new SubRange(vlanNumber, vlanNumber));
            for (SubRange sr : vlans) {
                for (int vlanId = sr.getStart(); vlanId <= sr.getEnd(); ++vlanId) {
                    vlanMemberCounts.compute(vlanId, (k, v) -> (v == null) ? 1 : (v + 1));
                }
            }
        }
        // Disable all "normal" vlan interfaces with zero member counts:
        String hostname = c.getHostname();
        SubRange normalVlanRange = c.getNormalVlanRange();
        for (Map.Entry<Integer, Integer> entry : vlanMemberCounts.entrySet()) {
            if (entry.getValue() == 0) {
                vlanNumber = entry.getKey();
                if ((vlanNumber >= normalVlanRange.getStart()) && (vlanNumber <= normalVlanRange.getEnd())) {
                    Interface iface = vlanInterfaces.get(vlanNumber);
                    if ((iface != null) && iface.getAutoState()) {
                        _logger.warnf("WARNING: Disabling unusable vlan interface because no switch port is assigned " + "to it: \"%s:%d\"\n", hostname, vlanNumber);
                        iface.setActive(false);
                        iface.setBlacklisted(true);
                    }
                }
            }
        }
    }
}

Example 10 with Interface

use of org.batfish.datamodel.Interface in project batfish by batfish.

the class Batfish method blacklistInterface.

/**
 * Helper function to disable a blacklisted interface and update the given {@link
 * ValidateEnvironmentAnswerElement} if the interface does not actually exist.
 */
private static void blacklistInterface(Map<String, Configuration> configurations, ValidateEnvironmentAnswerElement veae, NodeInterfacePair iface) {
    String hostname = iface.getHostname();
    String ifaceName = iface.getInterface();
    @Nullable Configuration node = configurations.get(hostname);
    if (node == null) {
        veae.setValid(false);
        veae.getUndefinedInterfaceBlacklistNodes().add(hostname);
        return;
    }
    @Nullable Interface nodeIface = node.getInterfaces().get(ifaceName);
    if (nodeIface == null) {
        veae.setValid(false);
        veae.getUndefinedInterfaceBlacklistInterfaces().computeIfAbsent(hostname, k -> new TreeSet<>()).add(ifaceName);
        return;
    }
    nodeIface.setActive(false);
    nodeIface.setBlacklisted(true);
}