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Example 81 with Interface

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

the class Dhcp4HandlerImpl method getClientInterface.

/**
 * Gets output interface of a dhcp packet.
 * If option 82 exists in the dhcp packet and the option was sent by
 * ONOS (circuit format is correct), use the connect
 * point and vlan id from circuit id; otherwise, find host by destination
 * address and use vlan id from sender (dhcp server).
 *
 * @param ethPacket the ethernet packet
 * @param dhcpPayload the dhcp packet
 * @return an interface represent the output port and vlan; empty value
 *         if the host or circuit id not found
 */
private Optional<Interface> getClientInterface(Ethernet ethPacket, DHCP dhcpPayload) {
    VlanId originalPacketVlanId = VlanId.vlanId(ethPacket.getVlanID());
    DhcpRelayAgentOption option = (DhcpRelayAgentOption) dhcpPayload.getOption(OptionCode_CircuitID);
    DhcpOption circuitIdSubOption = option.getSubOption(CIRCUIT_ID.getValue());
    try {
        CircuitId circuitId = CircuitId.deserialize(circuitIdSubOption.getData());
        ConnectPoint connectPoint = ConnectPoint.deviceConnectPoint(circuitId.connectPoint());
        VlanId vlanId = circuitId.vlanId();
        return interfaceService.getInterfacesByPort(connectPoint).stream().filter(iface -> interfaceContainsVlan(iface, vlanId)).findFirst();
    } catch (IllegalArgumentException ex) {
        // invalid circuit format, didn't sent by ONOS
        log.debug("Invalid circuit {}, use information from dhcp payload", circuitIdSubOption.getData());
    }
    // Use Vlan Id from DHCP server if DHCP relay circuit id was not
    // sent by ONOS or circuit Id can't be parsed
    // TODO: remove relay store from this method
    MacAddress dstMac = valueOf(dhcpPayload.getClientHardwareAddress());
    VlanId filteredVlanId = getVlanIdFromDhcpRecord(dstMac, originalPacketVlanId);
    // Get the vlan from the dhcp record
    if (filteredVlanId == null) {
        log.debug("not find the matching DHCP record for mac: {} and vlan: {}", dstMac, originalPacketVlanId);
        return Optional.empty();
    }
    Optional<DhcpRecord> dhcpRecord = dhcpRelayStore.getDhcpRecord(HostId.hostId(dstMac, filteredVlanId));
    ConnectPoint clientConnectPoint = dhcpRecord.map(DhcpRecord::locations).orElse(Collections.emptySet()).stream().reduce((hl1, hl2) -> {
        // find latest host connect point
        if (hl1 == null || hl2 == null) {
            return hl1 == null ? hl2 : hl1;
        }
        return hl1.time() > hl2.time() ? hl1 : hl2;
    }).orElse(null);
    if (clientConnectPoint != null) {
        return interfaceService.getInterfacesByPort(clientConnectPoint).stream().filter(iface -> interfaceContainsVlan(iface, filteredVlanId)).findFirst();
    }
    return Optional.empty();
}
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Example 82 with Interface

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

the class Dhcp6HandlerImpl method processDhcp6ForwardOnly.

private List<InternalPacket> processDhcp6ForwardOnly(PacketContext context, Ethernet clientPacket, Set<Interface> clientInterfaces, DHCP6 dhcpPacket) {
    ConnectPoint inPort = context.inPacket().receivedFrom();
    log.trace("Got DHCPv6 on port {}", inPort);
    boolean directConnFlag = Dhcp6HandlerUtil.directlyConnected(dhcpPacket);
    List<InternalPacket> internalPackets = new ArrayList<>();
    List<DhcpServerInfo> serverInfoList = findValidServerInfo(directConnFlag);
    for (DhcpServerInfo dhcpServer : serverInfoList) {
        Interface serverInterface = getServerInterface(dhcpServer);
        if (serverInterface == null) {
            log.warn("Can't get server interface, ignore");
            continue;
        }
        Ethernet newPacket = Dhcp6HandlerUtil.buildDhcp6PacketFromClient(context, clientPacket, clientInterfaces, dhcpServer, serverInterface);
        log.trace("Built packet for server {} : {}", dhcpServer, newPacket);
        internalPackets.add(InternalPacket.internalPacket(newPacket, dhcpServer.getDhcpServerConnectPoint().get()));
    }
    return internalPackets;
}
Also used : Ethernet(org.onlab.packet.Ethernet) CopyOnWriteArrayList(java.util.concurrent.CopyOnWriteArrayList) ArrayList(java.util.ArrayList) ConnectPoint(org.onosproject.net.ConnectPoint) DhcpServerInfo(org.onosproject.dhcprelay.api.DhcpServerInfo) Interface(org.onosproject.net.intf.Interface)

Example 83 with Interface

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

the class Dhcp6HandlerImpl method processDhcpPacket.

@Override
public void processDhcpPacket(PacketContext context, BasePacket payload) {
    checkNotNull(payload, "DHCP6 payload can't be null");
    checkState(payload instanceof DHCP6, "Payload is not a DHCP6");
    DHCP6 dhcp6Payload = (DHCP6) payload;
    Ethernet receivedPacket = context.inPacket().parsed();
    if (!configured()) {
        log.warn("Missing DHCP6 relay server config. " + "Abort packet processing dhcp6 payload {}", dhcp6Payload);
        return;
    }
    byte msgTypeVal = dhcp6Payload.getMsgType();
    MsgType msgType = DHCP6.MsgType.getType(msgTypeVal);
    log.debug("msgType is {}", msgType);
    ConnectPoint inPort = context.inPacket().receivedFrom();
    if (inPort == null) {
        log.warn("incoming ConnectPoint is null");
    }
    Set<Interface> receivingInterfaces = interfaceService.getInterfacesByPort(inPort);
    // ignore the packets if dhcp client interface is not configured on onos.
    if (receivingInterfaces.isEmpty()) {
        log.warn("Virtual interface is not configured on {}", inPort);
        return;
    }
    if (msgTypeVal == DHCP6.MsgType.LEASEQUERY.value()) {
        List<InternalPacket> ethernetClientPackets = learnRouteFromLeasequery ? processLQ6PacketFromClient(context, receivedPacket, receivingInterfaces, dhcp6Payload) : processDhcp6ForwardOnly(context, receivedPacket, receivingInterfaces, dhcp6Payload);
        for (InternalPacket internalPacket : ethernetClientPackets) {
            forwardPacket(internalPacket);
        }
    } else if (msgTypeVal == DHCP6.MsgType.LEASEQUERY_REPLY.value() && learnRouteFromLeasequery) {
        IPv6 clientIpv6 = (IPv6) receivedPacket.getPayload();
        UDP clientUdp = (UDP) clientIpv6.getPayload();
        DHCP6 clientDhcp6 = (DHCP6) clientUdp.getPayload();
        Interface serverInterface = Dhcp6HandlerUtil.directlyConnected(clientDhcp6) ? getServerInterface() : getIndirectServerInterface();
        InternalPacket ethernetPacketReply = Dhcp6HandlerUtil.processLQ6PacketFromServer(defaultServerInfoList, indirectServerInfoList, serverInterface, interfaceService, hostService, context, receivedPacket, receivingInterfaces);
        if (ethernetPacketReply != null) {
            forwardPacket(ethernetPacketReply);
        }
        handleLeaseQuery6ReplyMsg(context, dhcp6Payload);
    } else if (MSG_TYPE_FROM_CLIENT.contains(msgTypeVal)) {
        List<InternalPacket> ethernetClientPacket = processDhcp6PacketFromClient(context, receivedPacket, receivingInterfaces);
        for (InternalPacket internalPacket : ethernetClientPacket) {
            forwardPacket(internalPacket);
        }
    } else if (MSG_TYPE_FROM_SERVER.contains(msgTypeVal)) {
        log.debug("calling processDhcp6PacketFromServer with RELAY_REPL {}, {}", receivedPacket, dhcp6Payload);
        InternalPacket ethernetPacketReply = processDhcp6PacketFromServer(context, receivedPacket, receivingInterfaces);
        if (ethernetPacketReply != null) {
            forwardPacket(ethernetPacketReply);
        }
    } else {
        log.warn("Not so fast, packet type {} not supported yet", msgTypeVal);
    }
}
Also used : UDP(org.onlab.packet.UDP) IPv6(org.onlab.packet.IPv6) Ethernet(org.onlab.packet.Ethernet) DHCP6(org.onlab.packet.DHCP6) MsgType(org.onlab.packet.DHCP6.MsgType) ConnectPoint(org.onosproject.net.ConnectPoint) Interface(org.onosproject.net.intf.Interface)

Example 84 with Interface

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

the class Dhcp6HandlerImpl method processDhcp6PacketFromServer.

/**
 * process the DHCP6 relay-reply packet from dhcp server.
 *
 * @param context packet context
 * @param receivedPacket server ethernet packet
 * @param recevingInterfaces set of server side interfaces
 * @return internalPacket toward client
 */
private InternalPacket processDhcp6PacketFromServer(PacketContext context, Ethernet receivedPacket, Set<Interface> recevingInterfaces) {
    // get dhcp6 header.
    Ethernet etherReply = receivedPacket.duplicate();
    IPv6 ipv6Packet = (IPv6) etherReply.getPayload();
    UDP udpPacket = (UDP) ipv6Packet.getPayload();
    DHCP6 dhcp6Relay = (DHCP6) udpPacket.getPayload();
    Boolean directConnFlag = Dhcp6HandlerUtil.directlyConnected(dhcp6Relay);
    DHCP6 embeddedDhcp6 = dhcp6Relay.getOptions().stream().filter(opt -> opt instanceof Dhcp6RelayOption).map(BasePacket::getPayload).map(pld -> (DHCP6) pld).findFirst().orElse(null);
    ConnectPoint inPort = context.inPacket().receivedFrom();
    DhcpServerInfo foundServerInfo = findServerInfoFromServer(directConnFlag, inPort);
    if (foundServerInfo == null) {
        log.warn("Cannot find server info for {} server, inPort {}", directConnFlag ? "direct" : "indirect", inPort);
        // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_SERVER_INFO);
        return null;
    } else {
        if (Dhcp6HandlerUtil.isServerIpEmpty(foundServerInfo)) {
            log.warn("Cannot find server info's ipaddress");
            // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_SERVER_IP6ADDR);
            return null;
        }
    }
    Dhcp6InterfaceIdOption interfaceIdOption = dhcp6Relay.getOptions().stream().filter(opt -> opt instanceof Dhcp6InterfaceIdOption).map(opt -> (Dhcp6InterfaceIdOption) opt).findFirst().orElse(null);
    if (interfaceIdOption == null) {
        log.warn("Interface Id option is not present, abort packet...");
        // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.OPTION_MISSING_FAIL);
        return null;
    }
    MacAddress peerMac = interfaceIdOption.getMacAddress();
    String clientConnectionPointStr = new String(interfaceIdOption.getInPort());
    ConnectPoint clientConnectionPoint = ConnectPoint.deviceConnectPoint(clientConnectionPointStr);
    VlanId vlanIdInUse = VlanId.vlanId(interfaceIdOption.getVlanId());
    log.debug("processDhcp6PacketFromServer Interface Id Mac {}, port{}, vlan {}", peerMac, clientConnectionPointStr, vlanIdInUse);
    Interface clientInterface = interfaceService.getInterfacesByPort(clientConnectionPoint).stream().filter(iface -> Dhcp6HandlerUtil.interfaceContainsVlan(iface, vlanIdInUse)).findFirst().orElse(null);
    if (clientInterface == null) {
        log.warn("Cannot get client interface for from packet, abort... vlan {}", vlanIdInUse.toString());
        // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_MATCHING_INTF);
        return null;
    }
    etherReply.setVlanID(vlanIdInUse.toShort());
    MacAddress relayAgentMac = clientInterface.mac();
    if (relayAgentMac == null) {
        log.warn("Can not get client interface mac, abort packet..");
        // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENT_INTF_MAC);
        return null;
    }
    etherReply.setSourceMACAddress(relayAgentMac);
    // find destMac
    MacAddress clientMac;
    Ip6Address peerAddress = Ip6Address.valueOf(dhcp6Relay.getPeerAddress());
    Set<Host> clients = hostService.getHostsByIp(peerAddress);
    if (clients.isEmpty()) {
        log.trace("There's no host found for this address {}", HexString.toHexString(dhcp6Relay.getPeerAddress(), ":"));
        log.trace("Let's look up interfaceId {}", HexString.toHexString(peerMac.toBytes(), ":"));
        clientMac = peerMac;
    } else {
        clientMac = clients.iterator().next().mac();
        if (clientMac == null) {
            log.warn("No client mac address found, abort packet...");
            // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENT_INTF_MAC);
            return null;
        }
        log.trace("Client mac address found from getHostByIp");
    }
    etherReply.setDestinationMACAddress(clientMac);
    // ip header
    ipv6Packet.setSourceAddress(dhcp6Relay.getLinkAddress());
    ipv6Packet.setDestinationAddress(dhcp6Relay.getPeerAddress());
    // udp header
    udpPacket.setSourcePort(UDP.DHCP_V6_SERVER_PORT);
    if (directConnFlag) {
        udpPacket.setDestinationPort(UDP.DHCP_V6_CLIENT_PORT);
    } else {
        udpPacket.setDestinationPort(UDP.DHCP_V6_SERVER_PORT);
    }
    boolean hostOrRouteAllowed = learnRouteFromLeasequery || Dhcp6HandlerUtil.getDhcp6LeafMessageType(dhcp6Relay) != MsgType.LEASEQUERY_REPLY;
    log.debug("Can add host or route: {}", hostOrRouteAllowed);
    if (hostOrRouteAllowed) {
        // add host or route
        addHostOrRoute(directConnFlag, clientConnectionPoint, dhcp6Relay, embeddedDhcp6, clientMac, clientInterface, vlanIdInUse);
    }
    udpPacket.setPayload(embeddedDhcp6);
    udpPacket.resetChecksum();
    ipv6Packet.setPayload(udpPacket);
    etherReply.setPayload(ipv6Packet);
    return InternalPacket.internalPacket(etherReply, clientConnectionPoint);
}
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Example 85 with Interface

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

the class Dhcp6HandlerImpl method processLQ6PacketFromClient.

private List<InternalPacket> processLQ6PacketFromClient(PacketContext context, Ethernet clientPacket, Set<Interface> clientInterfaces, DHCP6 dhcp6Payload) {
    ConnectPoint inPort = context.inPacket().receivedFrom();
    log.info("Got LQ-REQUEST V6 on port {}", inPort);
    List<Dhcp6Option> lopt = dhcp6Payload.getOptions();
    log.info("Options list: {}", lopt);
    Dhcp6LeaseQueryOption lqoption = dhcp6Payload.getOptions().stream().filter(opt -> opt instanceof Dhcp6LeaseQueryOption).map(pld -> (Dhcp6LeaseQueryOption) pld).findFirst().orElse(null);
    if (lqoption == null) {
        // Can't find dhcp payload
        log.warn("Can't find dhcp6 lease query message - aborting");
        return null;
    } else {
        log.info("dhcp6 lqv6 options found: {}", lqoption);
    }
    log.warn("LQv6 for " + lqoption.linkAddress.toString() + " comes from " + inPort.toString());
    Ethernet packet = context.inPacket().parsed();
    Ip6Address clientAddress = lqoption.linkAddress;
    IPv6 ipv6Packet = (IPv6) packet.getPayload();
    Ip6Address nextHopIp = findNextHopIp6FromRelayStore(clientAddress);
    // 1. only if there is a route to remove - remove it
    if (nextHopIp != null) {
        Route routeForIP6 = new Route(Route.Source.DHCP, clientAddress.toIpPrefix(), nextHopIp);
        log.debug("Removing route of Client " + clientAddress + " for indirectly connected - next hop ip6 " + nextHopIp);
        routeStore.removeRoute(routeForIP6);
    }
    // 2. note the potential NH this packet came from in case it's a known lease
    // this NH will then be used to build the route
    MacAddress potentialNH = packet.getSourceMAC();
    VlanId vlanId = VlanId.vlanId(packet.getVlanID());
    setPotentialNextHopForIp6InRelayStore(clientAddress, vlanId, potentialNH);
    // 3. route this LQ6 to all relevant servers
    IPv6 clientIpv6 = (IPv6) clientPacket.getPayload();
    UDP clientUdp = (UDP) clientIpv6.getPayload();
    DHCP6 clientDhcp6 = (DHCP6) clientUdp.getPayload();
    boolean directConnFlag = Dhcp6HandlerUtil.directlyConnected(clientDhcp6);
    boolean serverFound = false;
    List<InternalPacket> internalPackets = new ArrayList<>();
    List<DhcpServerInfo> serverInfoList = findValidServerInfo(directConnFlag);
    List<DhcpServerInfo> copyServerInfoList = new ArrayList<DhcpServerInfo>(serverInfoList);
    for (DhcpServerInfo serverInfo : copyServerInfoList) {
        if (!Dhcp6HandlerUtil.checkDhcpServerConnPt(directConnFlag, serverInfo)) {
            log.warn("Can't get server connect point, ignore");
            continue;
        }
        DhcpServerInfo newServerInfo = getHostInfoForServerInfo(serverInfo, serverInfoList);
        if (newServerInfo == null) {
            log.debug("Can't get server interface with host info resolved, ignore serverInfo {} serverInfoList {}", serverInfo, serverInfoList);
            continue;
        }
        Interface serverInterface = getServerInterface(newServerInfo);
        if (serverInterface == null) {
            log.debug("Can't get server interface, ignore for serverInfo {}, serverInfoList {}", serverInfo, serverInfoList);
            continue;
        }
        serverFound = true;
        log.debug("Server Info Found {}", serverInfo.getDhcpConnectMac());
        Ethernet etherRouted = (Ethernet) clientPacket.clone();
        MacAddress macFacingServer = serverInterface.mac();
        if (macFacingServer == null) {
            log.warn("No MAC address for server Interface {}", serverInterface);
            return null;
        }
        etherRouted.setSourceMACAddress(macFacingServer);
        etherRouted.setDestinationMACAddress(newServerInfo.getDhcpConnectMac().get());
        InternalPacket internalPacket = InternalPacket.internalPacket(etherRouted, serverInfo.getDhcpServerConnectPoint().get());
        internalPackets.add(internalPacket);
        log.debug("Sending LQ to DHCP server {}", newServerInfo.getDhcpServerIp6());
    }
    if (!serverFound) {
        log.warn("ProcessDhcp6PacketFromClient No Server Found");
    }
    log.debug("num of client packets to send is{}", internalPackets.size());
    return internalPackets;
}
Also used : Dhcp6IaPdOption(org.onlab.packet.dhcp.Dhcp6IaPdOption) DeviceService(org.onosproject.net.device.DeviceService) DefaultTrafficTreatment(org.onosproject.net.flow.DefaultTrafficTreatment) ConnectPoint(org.onosproject.net.ConnectPoint) ObjectiveError(org.onosproject.net.flowobjective.ObjectiveError) IgnoreDhcpConfig(org.onosproject.dhcprelay.config.IgnoreDhcpConfig) ApplicationId(org.onosproject.core.ApplicationId) Dhcp6IaNaOption(org.onlab.packet.dhcp.Dhcp6IaNaOption) Dhcp6IaTaOption(org.onlab.packet.dhcp.Dhcp6IaTaOption) Ip6Address(org.onlab.packet.Ip6Address) DhcpRelayStore(org.onosproject.dhcprelay.store.DhcpRelayStore) Deactivate(org.osgi.service.component.annotations.Deactivate) Set(java.util.Set) MsgType(org.onlab.packet.DHCP6.MsgType) PacketService(org.onosproject.net.packet.PacketService) DeviceId(org.onosproject.net.DeviceId) DhcpServerConfig(org.onosproject.dhcprelay.config.DhcpServerConfig) 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Aggregations

Interface (org.onosproject.net.intf.Interface)92 ConnectPoint (org.onosproject.net.ConnectPoint)51 MacAddress (org.onlab.packet.MacAddress)35 VlanId (org.onlab.packet.VlanId)34 InterfaceIpAddress (org.onosproject.net.host.InterfaceIpAddress)32 Ethernet (org.onlab.packet.Ethernet)28 IpAddress (org.onlab.packet.IpAddress)28 ArrayList (java.util.ArrayList)26 DeviceId (org.onosproject.net.DeviceId)26 Host (org.onosproject.net.Host)25 InterfaceService (org.onosproject.net.intf.InterfaceService)25 Logger (org.slf4j.Logger)25 Set (java.util.Set)23 TrafficSelector (org.onosproject.net.flow.TrafficSelector)23 LoggerFactory (org.slf4j.LoggerFactory)23 TrafficTreatment (org.onosproject.net.flow.TrafficTreatment)22 Test (org.junit.Test)21 ApplicationId (org.onosproject.core.ApplicationId)21 DefaultTrafficSelector (org.onosproject.net.flow.DefaultTrafficSelector)20 DefaultTrafficTreatment (org.onosproject.net.flow.DefaultTrafficTreatment)20