Examples with Interface org.onosproject.net.intf.Interface used on opensource projects

Example 91 with Interface

use of org.onosproject.net.intf.Interface in project trellis-control by opennetworkinglab.

the class IcmpHandler method sendIcmpv6Response.

/**
 * Sends an ICMPv6 reply message.
 *
 * @param ethRequest the original ICMP request
 * @param outport the output port where the ICMP reply should be sent to
 */
private void sendIcmpv6Response(Ethernet ethRequest, ConnectPoint outport) {
    int destSid = -1;
    Ethernet ethReply = ICMP6.buildIcmp6Reply(ethRequest);
    IPv6 icmpRequestIpv6 = (IPv6) ethRequest.getPayload();
    IPv6 icmpReplyIpv6 = (IPv6) ethRequest.getPayload();
    // Source IP of the echo "reply"
    Ip6Address srcIpAddress = Ip6Address.valueOf(icmpRequestIpv6.getDestinationAddress());
    // Destination IP of the echo "reply"
    Ip6Address destIpAddress = Ip6Address.valueOf(icmpRequestIpv6.getSourceAddress());
    Optional<Ip6Address> linkLocalIp = getLinkLocalIp(outport);
    // Fast path if the echo request targets the link-local address of switch interface
    if (linkLocalIp.isPresent() && srcIpAddress.equals(linkLocalIp.get())) {
        sendPacketOut(outport, ethReply, destSid, destIpAddress, icmpReplyIpv6.getHopLimit());
        return;
    }
    // Get the available connect points
    Set<ConnectPoint> destConnectPoints = config.getConnectPointsForASubnetHost(destIpAddress);
    // Select a router
    Ip6Address destRouterAddress = selectRouterIp6Address(destIpAddress, outport, destConnectPoints);
    // Lookup the route store for the nexthop instead.
    if (destRouterAddress == null) {
        Optional<DeviceId> deviceId = srManager.routeService.longestPrefixLookup(destIpAddress).map(srManager::nextHopLocations).flatMap(locations -> locations.stream().findFirst()).map(ConnectPoint::deviceId);
        if (deviceId.isPresent()) {
            try {
                destRouterAddress = config.getRouterIpv6(deviceId.get());
            } catch (DeviceConfigNotFoundException e) {
                log.warn("Device config for {} not found. Abort ICMPv6 processing", deviceId);
                return;
            }
        }
    }
    destSid = config.getIPv6SegmentId(destRouterAddress);
    if (destSid < 0) {
        log.warn("Failed to lookup SID of the switch that {} attaches to. " + "Unable to process ICMPv6 request.", destIpAddress);
        return;
    }
    sendPacketOut(outport, ethReply, destSid, destIpAddress, icmpReplyIpv6.getHopLimit());
}

Example 92 with Interface

use of org.onosproject.net.intf.Interface in project TFG by mattinelorza.

the class NdpReplyComponent method setUpDevice.

/**
 * Performs setup of the given device by creating a flow rule to generate
 * NDP NA packets for IPv6 addresses associated to the device interfaces.
 *
 * @param deviceId device ID
 */
private void setUpDevice(DeviceId deviceId) {
    // Get this device config from netcfg.json.
    final FabricDeviceConfig config = configService.getConfig(deviceId, FabricDeviceConfig.class);
    if (config == null) {
        // Config not available yet
        throw new ItemNotFoundException("Missing fabricDeviceConfig for " + deviceId);
    }
    // Get this device myStation mac.
    final MacAddress deviceMac = config.myStationMac();
    // Get all interfaces currently configured for the device
    final Collection<Interface> interfaces = interfaceService.getInterfaces().stream().filter(iface -> iface.connectPoint().deviceId().equals(deviceId)).collect(Collectors.toSet());
    if (interfaces.isEmpty()) {
        log.info("{} does not have any IPv6 interface configured", deviceId);
        return;
    }
    // Generate and install flow rules.
    log.info("Adding rules to {} to generate NDP NA for {} IPv6 interfaces...", deviceId, interfaces.size());
    final Collection<FlowRule> flowRules = interfaces.stream().map(this::getIp6Addresses).flatMap(Collection::stream).map(ipv6addr -> buildNdpReplyFlowRule(deviceId, ipv6addr, deviceMac)).collect(Collectors.toSet());
    installRules(flowRules);
}