Examples with HostId org.onosproject.net.HostId used on opensource projects

Example 11 with HostId

use of org.onosproject.net.HostId in project onos by opennetworkinglab.

the class K8sSwitchingHostProvider method processPortAdded.

/**
 * Processes port addition event.
 *
 * @param port port object used in ONOS
 */
private void processPortAdded(Port port) {
    K8sPort k8sPort = portToK8sPortByName(port);
    if (k8sPort == null) {
        k8sPort = portToK8sPortByMac(port);
        if (k8sPort == null) {
            log.warn(ERR_ADD_HOST + "Kubernetes port for {} not found", port);
            return;
        }
    }
    K8sNetwork k8sNet = k8sNetworkService.network(k8sPort.networkId());
    if (k8sNet == null) {
        log.warn(ERR_ADD_HOST + "Kubernetes network {} not found", k8sPort.networkId());
        return;
    }
    MacAddress mac = k8sPort.macAddress();
    HostId hostId = HostId.hostId(mac);
    // connect point is the combination of switch ID with port number where
    // the host is attached to
    ConnectPoint connectPoint = new ConnectPoint(port.element().id(), port.number());
    long createTime = System.currentTimeMillis();
    // update k8s port number by referring to ONOS port number
    k8sNetworkService.updatePort(k8sPort.updatePortNumber(port.number()).updateState(K8sPort.State.ACTIVE));
    // we check whether the host already attached to same locations
    Host host = hostService.getHost(hostId);
    // build host annotations to include a set of meta info from neutron
    DefaultAnnotations.Builder annotations = DefaultAnnotations.builder().set(ANNOTATION_NETWORK_ID, k8sPort.networkId()).set(ANNOTATION_PORT_ID, k8sPort.portId()).set(ANNOTATION_CREATE_TIME, String.valueOf(createTime)).set(ANNOTATION_SEGMENT_ID, k8sNet.segmentId());
    HostDescription hostDesc = new DefaultHostDescription(mac, VlanId.NONE, new HostLocation(connectPoint, createTime), ImmutableSet.of(k8sPort.ipAddress()), annotations.build());
    if (host != null) {
        Set<HostLocation> locations = host.locations().stream().filter(l -> l.deviceId().equals(connectPoint.deviceId())).filter(l -> l.port().equals(connectPoint.port())).collect(Collectors.toSet());
        // therefore, we simply add this into the location list
        if (locations.isEmpty()) {
            hostProviderService.addLocationToHost(hostId, new HostLocation(connectPoint, createTime));
        }
        // the hostDetected method invocation in turn triggers host Update event
        if (locations.size() == 1) {
            hostProviderService.hostDetected(hostId, hostDesc, false);
        }
    } else {
        hostProviderService.hostDetected(hostId, hostDesc, false);
    }
}

Example 12 with HostId

use of org.onosproject.net.HostId 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 13 with HostId

use of org.onosproject.net.HostId 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);
    }
}

Example 14 with HostId

use of org.onosproject.net.HostId in project onos by opennetworkinglab.

the class Dhcp4HandlerImpl method handleLeaseQueryUnknown.

private void handleLeaseQueryUnknown(Ethernet packet, DHCP dhcpPayload) {
    log.debug("Lease Query for Client results in DHCPLEASEUNASSIGNED or " + "DHCPLEASEUNKNOWN - removing route & forwarding reply to originator");
    if (learnRouteFromLeasequery) {
        MacAddress clientMacAddress = MacAddress.valueOf(dhcpPayload.getClientHardwareAddress());
        VlanId vlanId = VlanId.vlanId(packet.getVlanID());
        HostId hostId = HostId.hostId(clientMacAddress, vlanId);
        DhcpRecord record = dhcpRelayStore.getDhcpRecord(hostId).orElse(null);
        if (record == null) {
            log.warn("Can't find record for host {} when handling LQ UNKNOWN/UNASSIGNED message", hostId);
            return;
        }
        Ip4Address clientIP = record.ip4Address().orElse(null);
        log.debug("LQ: IP of host is " + clientIP.getIp4Address());
        // find the new NH by looking at the src MAC of the dhcp request
        // from the LQ store
        MacAddress nextHopMac = record.nextHop().orElse(null);
        log.debug("LQ: MAC of resulting *Existing* NH for that route is " + nextHopMac.toString());
        // find the next hop IP from its mac
        HostId gwHostId = HostId.hostId(nextHopMac, vlanId);
        Host gwHost = hostService.getHost(gwHostId);
        if (gwHost == null) {
            log.warn("Can't find gateway for new NH 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;
        }
        log.debug("LQ: *Existing* NH IP for host is " + nextHopIp.getIp4Address() + " removing route for it");
        Route route = new Route(Route.Source.DHCP, clientIP.toIpPrefix(), nextHopIp);
        routeStore.removeRoute(route);
        // remove from temp store
        dhcpRelayStore.removeDhcpRecord(hostId);
    }
    // and forward to client
    InternalPacket ethernetPacket = processLeaseQueryFromServer(packet);
    if (ethernetPacket != null) {
        sendResponseToClient(ethernetPacket, dhcpPayload);
    }
}

Example 15 with HostId

use of org.onosproject.net.HostId in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method getFirstIpByHost.

/**
 * Find first ipaddress for a given Host info i.e.  mac and vlan.
 *
 * @param clientMac client mac
 * @param vlanId  packet's vlan
 * @return next-hop link-local ipaddress for a given host
 */
private IpAddress getFirstIpByHost(Boolean directConnFlag, MacAddress clientMac, VlanId vlanId) {
    IpAddress nextHopIp;
    // pick out the first link-local ip address
    HostId gwHostId = HostId.hostId(clientMac, vlanId);
    Host gwHost = hostService.getHost(gwHostId);
    if (gwHost == null) {
        log.warn("Can't find gateway host for hostId {}", gwHostId);
        return null;
    }
    if (directConnFlag) {
        nextHopIp = gwHost.ipAddresses().stream().filter(IpAddress::isIp6).map(IpAddress::getIp6Address).findFirst().orElse(null);
    } else {
        nextHopIp = gwHost.ipAddresses().stream().filter(IpAddress::isIp6).filter(ip6 -> ip6.isLinkLocal()).map(IpAddress::getIp6Address).findFirst().orElse(null);
    }
    return nextHopIp;
}