Examples with HostDescription org.onosproject.net.host.HostDescription used on opensource projects

Example 6 with HostDescription

use of org.onosproject.net.host.HostDescription 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 7 with HostDescription

use of org.onosproject.net.host.HostDescription in project onos by opennetworkinglab.

the class HostManagerTest method configured.

private void configured(HostId hid, MacAddress mac, VlanId vlan, HostLocation loc, IpAddress ip) {
    HostDescription descr = new DefaultHostDescription(mac, vlan, loc, Collections.singleton(ip), true);
    providerService2.hostDetected(hid, descr, false);
    assertNotNull("host should be found", mgr.getHost(hid));
}

Example 8 with HostDescription

use of org.onosproject.net.host.HostDescription in project onos by opennetworkinglab.

the class HostManagerTest method detect.

private void detect(HostId hid, MacAddress mac, VlanId vlan, HostLocation loc, IpAddress ip) {
    HostDescription descr = new DefaultHostDescription(mac, vlan, loc, ip);
    providerService.hostDetected(hid, descr, false);
    assertNotNull("host should be found", mgr.getHost(hid));
}

Example 9 with HostDescription

use of org.onosproject.net.host.HostDescription in project onos by opennetworkinglab.

the class OpenstackSwitchingHostProvider method processPortAdded.

/**
 * Processes port addition event.
 * Once a port addition event is detected, it tries to create a host instance
 * with openstack augmented host information such as networkId, portId,
 * createTime, segmentId and notifies to host provider.
 *
 * @param port port object used in ONOS
 */
void processPortAdded(Port port) {
    // TODO check the node state is COMPLETE
    org.openstack4j.model.network.Port osPort = osNetworkService.port(port);
    if (osPort == null) {
        log.warn(ERR_ADD_HOST + "OpenStack port for {} not found", port);
        return;
    }
    Network osNet = osNetworkService.network(osPort.getNetworkId());
    if (osNet == null) {
        log.warn(ERR_ADD_HOST + "OpenStack network {} not found", osPort.getNetworkId());
        return;
    }
    if (osPort.getFixedIps().isEmpty()) {
        log.warn(ERR_ADD_HOST + "no fixed IP for port {}", osPort.getId());
        return;
    }
    MacAddress mac = MacAddress.valueOf(osPort.getMacAddress());
    HostId hostId = HostId.hostId(mac);
    /* typically one openstack port should only be bound to one fix IP address;
           however, openstack4j binds multiple fixed IPs to one port, this might
           be a defect of openstack4j implementation */
    // TODO: we need to find a way to bind multiple ports from multiple
    // openstack networks into one host sooner or later
    Set<IpAddress> fixedIps = osPort.getFixedIps().stream().map(ip -> IpAddress.valueOf(ip.getIpAddress())).collect(Collectors.toSet());
    // 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();
    // 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, osPort.getNetworkId()).set(ANNOTATION_PORT_ID, osPort.getId()).set(ANNOTATION_CREATE_TIME, String.valueOf(createTime));
    // FLAT typed network does not require segment ID
    Type netType = osNetworkService.networkType(osNet.getId());
    if (netType != FLAT) {
        annotations.set(ANNOTATION_SEGMENT_ID, osNet.getProviderSegID());
    }
    // build host description object
    HostDescription hostDesc = new DefaultHostDescription(mac, VlanId.NONE, new HostLocation(connectPoint, createTime), fixedIps, 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 10 with HostDescription

use of org.onosproject.net.host.HostDescription in project onos by opennetworkinglab.

the class OpenstackSwitchingHostProviderTest method testProcessPortAddedForUpdate.

/**
 * Tests the process port added method for updating case.
 */
@Test
public void testProcessPortAddedForUpdate() {
    org.onosproject.net.Port addedPort = new DefaultPort(DEV1, P1, true, ANNOTATIONS);
    DeviceEvent addedEvent = new DeviceEvent(DeviceEvent.Type.PORT_ADDED, DEV1, addedPort);
    target.portAddedHelper(addedEvent);
    // org.onosproject.net.Port updatedPort = new DefaultPort(DEV1, P2, true, ANNOTATIONS);
    // DeviceEvent updatedEvent = new DeviceEvent(DeviceEvent.Type.PORT_ADDED, DEV1, updatedPort);
    target.portAddedHelper(addedEvent);
    HostId hostId = HostId.hostId(HOST_MAC);
    HostDescription hostDesc = new DefaultHostDescription(HOST_MAC, VlanId.NONE, new HostLocation(CP11, System.currentTimeMillis()), ImmutableSet.of(HOST_IP11), ANNOTATIONS);
    verifyHostResult(hostId, hostDesc);
}