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

Example 21 with Interface

use of org.onosproject.net.intf.Interface in project onos by opennetworkinglab.

the class ReactiveRoutingFib method setUpConnectivityHostToInternet.

@Override
public void setUpConnectivityHostToInternet(IpAddress hostIp, IpPrefix prefix, IpAddress nextHopIpAddress) {
    // Find the attachment point (egress interface) of the next hop
    Interface egressInterface = interfaceService.getMatchingInterface(nextHopIpAddress);
    if (egressInterface == null) {
        log.warn("No outgoing interface found for {}", nextHopIpAddress);
        return;
    }
    Set<Host> hosts = hostService.getHostsByIp(nextHopIpAddress);
    if (hosts.isEmpty()) {
        log.warn("No host found for next hop IP address");
        return;
    }
    MacAddress nextHopMacAddress = null;
    for (Host host : hosts) {
        nextHopMacAddress = host.mac();
        break;
    }
    hosts = hostService.getHostsByIp(hostIp);
    if (hosts.isEmpty()) {
        log.warn("No host found for host IP address");
        return;
    }
    Host host = hosts.stream().findFirst().get();
    ConnectPoint ingressPoint = host.location();
    // Generate the intent itself
    ConnectPoint egressPort = egressInterface.connectPoint();
    log.debug("Generating intent for prefix {}, next hop mac {}", prefix, nextHopMacAddress);
    // Match the destination IP prefix at the first hop
    TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
    if (prefix.isIp4()) {
        selector.matchEthType(Ethernet.TYPE_IPV4);
        selector.matchIPDst(prefix);
    } else {
        selector.matchEthType(Ethernet.TYPE_IPV6);
        selector.matchIPv6Dst(prefix);
    }
    // Rewrite the destination MAC address
    TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder().setEthDst(nextHopMacAddress);
    if (!egressInterface.vlan().equals(VlanId.NONE)) {
        treatment.setVlanId(egressInterface.vlan());
        // If we set VLAN ID, we have to make sure a VLAN tag exists.
        // TODO support no VLAN -> VLAN routing
        selector.matchVlanId(VlanId.ANY);
    }
    int priority = prefix.prefixLength() * PRIORITY_MULTIPLIER + PRIORITY_OFFSET;
    Key key = Key.of(prefix.toString() + "-reactive", appId);
    MultiPointToSinglePointIntent intent = MultiPointToSinglePointIntent.builder().appId(appId).key(key).selector(selector.build()).treatment(treatment.build()).filteredIngressPoints(Collections.singleton(new FilteredConnectPoint(ingressPoint))).filteredEgressPoint(new FilteredConnectPoint(egressPort)).priority(priority).constraints(CONSTRAINTS).build();
    submitReactiveIntent(prefix, intent);
}

Example 22 with Interface

use of org.onosproject.net.intf.Interface in project onos by opennetworkinglab.

the class ReactiveRoutingFib method setUpConnectivityInternetToHost.

@Override
public void setUpConnectivityInternetToHost(IpAddress hostIpAddress) {
    checkNotNull(hostIpAddress);
    TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
    if (hostIpAddress.isIp4()) {
        selector.matchEthType(Ethernet.TYPE_IPV4);
    } else {
        selector.matchEthType(Ethernet.TYPE_IPV6);
    }
    // Match the destination IP prefix at the first hop
    IpPrefix ipPrefix = hostIpAddress.toIpPrefix();
    selector.matchIPDst(ipPrefix);
    // Rewrite the destination MAC address
    MacAddress hostMac = null;
    FilteredConnectPoint egressPoint = null;
    for (Host host : hostService.getHostsByIp(hostIpAddress)) {
        if (host.mac() != null) {
            hostMac = host.mac();
            egressPoint = new FilteredConnectPoint(host.location());
            break;
        }
    }
    if (hostMac == null) {
        hostService.startMonitoringIp(hostIpAddress);
        return;
    }
    TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder().setEthDst(hostMac);
    Key key = Key.of(ipPrefix.toString(), appId);
    int priority = ipPrefix.prefixLength() * PRIORITY_MULTIPLIER + PRIORITY_OFFSET;
    Set<ConnectPoint> interfaceConnectPoints = interfaceService.getInterfaces().stream().map(intf -> intf.connectPoint()).collect(Collectors.toSet());
    if (interfaceConnectPoints.isEmpty()) {
        log.error("The interface connect points are empty!");
        return;
    }
    Set<FilteredConnectPoint> ingressPoints = new HashSet<>();
    for (ConnectPoint connectPoint : interfaceConnectPoints) {
        if (!connectPoint.equals(egressPoint.connectPoint())) {
            ingressPoints.add(new FilteredConnectPoint(connectPoint));
        }
    }
    MultiPointToSinglePointIntent intent = MultiPointToSinglePointIntent.builder().appId(appId).key(key).selector(selector.build()).treatment(treatment.build()).filteredIngressPoints(ingressPoints).filteredEgressPoint(egressPoint).priority(priority).constraints(CONSTRAINTS).build();
    log.trace("Generates ConnectivityInternetToHost intent {}", intent);
    submitReactiveIntent(ipPrefix, intent);
}

Example 23 with Interface

use of org.onosproject.net.intf.Interface in project onos by opennetworkinglab.

the class InterfacesListCommand method doExecute.

@Override
protected void doExecute() {
    InterfaceService interfaceService = get(InterfaceService.class);
    List<Interface> interfaces = Lists.newArrayList(interfaceService.getInterfaces());
    Collections.sort(interfaces, Comparators.INTERFACES_COMPARATOR);
    interfaces.forEach(this::printInterface);
}

Example 24 with Interface

use of org.onosproject.net.intf.Interface in project onos by opennetworkinglab.

the class Dhcp4HandlerImpl method processLeaseQueryFromServer.

/**
 * Build the DHCP offer/ack with proper client port.
 *
 * @param ethernetPacket the original packet comes from server
 * @return new packet which will send to the client
 */
private InternalPacket processLeaseQueryFromServer(Ethernet ethernetPacket) {
    // get dhcp header.
    Ethernet etherReply = (Ethernet) ethernetPacket.clone();
    IPv4 ipv4Packet = (IPv4) etherReply.getPayload();
    UDP udpPacket = (UDP) ipv4Packet.getPayload();
    DHCP dhcpPayload = (DHCP) udpPacket.getPayload();
    // determine the vlanId of the client host - note that this vlan id
    // could be different from the vlan in the packet from the server
    Interface clientInterface = null;
    MacAddress destinationMac = MacAddress.valueOf(dhcpPayload.getClientHardwareAddress());
    if (!learnRouteFromLeasequery) {
        int giaddr = ipv4Packet.getDestinationAddress();
        IpAddress destinationAddress = Ip4Address.valueOf(giaddr);
        log.debug("DHCPLEASEQUERYRESP giaddr: {}({})", giaddr, destinationAddress);
        Host destinationHost = hostService.getHostsByIp(destinationAddress).stream().findFirst().orElse(null);
        if (destinationHost != null) {
            destinationMac = destinationHost.mac();
            log.trace("DHCPLEASEQUERYRESP destination mac is: {}", destinationMac);
            ConnectPoint destinationLocation = destinationHost.location();
            log.trace("Lookup for client interface by destination location {}", destinationLocation);
            clientInterface = interfaceService.getInterfacesByPort(destinationLocation).stream().filter(iface -> interfaceContainsVlan(iface, VlanId.vlanId(etherReply.getVlanID()))).findFirst().orElse(null);
            log.trace("Found Host {} by ip {}", destinationHost, destinationAddress);
            log.debug("DHCPLEASEQUERYRESP Client interface: {}", (clientInterface != null ? clientInterface : "not resolved"));
        }
    } else {
        clientInterface = getClientInterface(ethernetPacket, dhcpPayload).orElse(null);
    }
    if (clientInterface == null) {
        log.warn("Cannot find the interface for the DHCP {}", dhcpPayload);
        return null;
    }
    VlanId vlanId;
    if (clientInterface.vlanTagged().isEmpty()) {
        vlanId = clientInterface.vlan();
    } else {
        // might be multiple vlan in same interface
        vlanId = getVlanIdFromRelayAgentOption(dhcpPayload);
    }
    if (vlanId == null) {
        vlanId = VlanId.NONE;
    }
    etherReply.setVlanID(vlanId.toShort());
    etherReply.setSourceMACAddress(clientInterface.mac());
    if (!directlyConnected(dhcpPayload) && learnRouteFromLeasequery) {
        // if client is indirectly connected, try use next hop mac address
        MacAddress macAddress = MacAddress.valueOf(dhcpPayload.getClientHardwareAddress());
        HostId hostId = HostId.hostId(macAddress, vlanId);
        DhcpRecord record = dhcpRelayStore.getDhcpRecord(hostId).orElse(null);
        if (record != null) {
            // if next hop can be found, use mac address of next hop
            Optional<MacAddress> nextHop = record.nextHopTemp();
            if (!nextHop.isPresent()) {
                nextHop = record.nextHop();
            }
            nextHop.ifPresent(etherReply::setDestinationMACAddress);
        } else {
            // otherwise, discard the packet
            log.warn("Can't find record for host id {}, discard packet", hostId);
            return null;
        }
    } else {
        etherReply.setDestinationMACAddress(destinationMac);
    }
    udpPacket.setSourcePort(UDP.DHCP_SERVER_PORT);
    if (directlyConnected(dhcpPayload)) {
        udpPacket.setDestinationPort(UDP.DHCP_CLIENT_PORT);
    } else {
        udpPacket.setDestinationPort(UDP.DHCP_SERVER_PORT);
    }
    udpPacket.setPayload(dhcpPayload);
    ipv4Packet.setPayload(udpPacket);
    etherReply.setPayload(ipv4Packet);
    udpPacket.resetChecksum();
    return InternalPacket.internalPacket(etherReply, clientInterface.connectPoint());
}

Example 25 with Interface

use of org.onosproject.net.intf.Interface in project onos by opennetworkinglab.

the class Dhcp4HandlerImpl method handleDhcpAck.

/**
 * Send the DHCP ack to the requester host.
 * Modify Host or Route store according to the type of DHCP.
 *
 * @param ethernetPacketAck the packet
 * @param dhcpPayload the DHCP data
 */
private void handleDhcpAck(Ethernet ethernetPacketAck, DHCP dhcpPayload) {
    Optional<Interface> outInterface = getClientInterface(ethernetPacketAck, dhcpPayload);
    if (!outInterface.isPresent()) {
        log.warn("Can't find output interface for dhcp: {}", dhcpPayload);
        return;
    }
    Interface outIface = outInterface.get();
    ConnectPoint location = outIface.connectPoint();
    if (!location.port().hasName()) {
        location = translateSwitchPort(location);
    }
    HostLocation hostLocation = new HostLocation(location, System.currentTimeMillis());
    MacAddress macAddress = MacAddress.valueOf(dhcpPayload.getClientHardwareAddress());
    VlanId vlanId = getVlanIdFromRelayAgentOption(dhcpPayload);
    if (vlanId == null) {
        vlanId = outIface.vlan();
    }
    HostId hostId = HostId.hostId(macAddress, vlanId);
    Ip4Address ip = Ip4Address.valueOf(dhcpPayload.getYourIPAddress());
    if (directlyConnected(dhcpPayload)) {
        // Add to host store if it connect to network directly
        Set<IpAddress> ips = Sets.newHashSet(ip);
        Host host = hostService.getHost(hostId);
        Set<HostLocation> hostLocations = Sets.newHashSet(hostLocation);
        if (host != null) {
            // Dual homing support:
            // if host exists, use old locations and new location
            hostLocations.addAll(host.locations());
        }
        HostDescription desc = new DefaultHostDescription(macAddress, vlanId, hostLocations, ips, false);
        // Add IP address when dhcp server give the host new ip address
        providerService.hostDetected(hostId, desc, false);
    } else {
        // Add to route store if it does not connect to network directly
        // Get gateway host IP according to host mac address
        // TODO: remove relay store here
        DhcpRecord record = dhcpRelayStore.getDhcpRecord(hostId).orElse(null);
        if (record == null) {
            log.warn("Can't find DHCP record of host {}", hostId);
            return;
        }
        MacAddress gwMac = record.nextHop().orElse(null);
        if (gwMac == null) {
            log.warn("Can't find gateway mac address from record {}", record);
            return;
        }
        HostId gwHostId = HostId.hostId(gwMac, record.vlanId());
        Host gwHost = hostService.getHost(gwHostId);
        if (gwHost == null) {
            log.warn("Can't find gateway host {}", gwHostId);
            return;
        }
        Ip4Address nextHopIp = gwHost.ipAddresses().stream().filter(IpAddress::isIp4).map(IpAddress::getIp4Address).findFirst().orElse(null);
        if (nextHopIp == null) {
            log.warn("Can't find IP address of gateway {}", gwHost);
            return;
        }
        Route route = new Route(Route.Source.DHCP, ip.toIpPrefix(), nextHopIp);
        routeStore.replaceRoute(route);
    }
}