Examples with Dhcp6IaAddressOption org.onlab.packet.dhcp.Dhcp6IaAddressOption used on opensource projects

Example 1 with Dhcp6IaAddressOption

use of org.onlab.packet.dhcp.Dhcp6IaAddressOption in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method handleLeaseQuery6ReplyMsg.

public void handleLeaseQuery6ReplyMsg(PacketContext context, DHCP6 dhcp6Payload) {
    ConnectPoint inPort = context.inPacket().receivedFrom();
    log.info("Got LQV6-REPLY on port {}", inPort);
    List<Dhcp6Option> lopt = dhcp6Payload.getOptions();
    log.info("Options list: {}", lopt);
    // find out if this lease is known is
    Dhcp6ClientDataOption clientDataOption = dhcp6Payload.getOptions().stream().filter(opt -> opt instanceof Dhcp6ClientDataOption).map(pld -> (Dhcp6ClientDataOption) pld).findFirst().orElse(null);
    if (clientDataOption == null) {
        log.warn("clientDataOption option is not present, " + "lease is UNKNOWN - not adding any new route...");
    } else {
        Dhcp6IaAddressOption aiAddressOption = clientDataOption.getOptions().stream().filter(opt -> opt instanceof Dhcp6IaAddressOption).map(pld -> (Dhcp6IaAddressOption) pld).findFirst().orElse(null);
        Dhcp6ClientIdOption clientIdOption = clientDataOption.getOptions().stream().filter(opt -> opt instanceof Dhcp6ClientIdOption).map(pld -> (Dhcp6ClientIdOption) pld).findFirst().orElse(null);
        if (aiAddressOption == null) {
            log.warn("clientDataOption from DHCP server does not " + "contains Dhcp6IaAddressOption for the client - giving up...");
        } else {
            Ip6Address clientAddress = aiAddressOption.getIp6Address();
            MacAddress clientMacAddress = MacAddress.valueOf(clientIdOption.getDuid().getLinkLayerAddress());
            Ethernet packet = context.inPacket().parsed();
            VlanId vlanId = VlanId.vlanId(packet.getVlanID());
            MacAddress potentialNextHopMac = findNextHopMacForIp6FromRelayStore(clientAddress, clientMacAddress, vlanId);
            if (potentialNextHopMac == null) {
                log.warn("Can't find next hop host mac for client {} mac:{}/{}", clientAddress, clientMacAddress, vlanId);
                return;
            } else {
                log.info("Next hop mac for {}/{}/{} is {}", clientAddress, clientMacAddress, vlanId, potentialNextHopMac.toString());
            }
            // search the next hop in the hosts store
            HostId gwHostId = HostId.hostId(potentialNextHopMac, vlanId);
            Host gwHost = hostService.getHost(gwHostId);
            if (gwHost == null) {
                log.warn("Can't find next hop host ID {}", gwHostId);
                return;
            }
            Ip6Address nextHopIp = gwHost.ipAddresses().stream().filter(IpAddress::isIp6).filter(IpAddress::isLinkLocal).map(IpAddress::getIp6Address).findFirst().orElse(null);
            if (nextHopIp == null) {
                log.warn("Can't find IP6 address of next hop {}", gwHost);
                return;
            }
            log.info("client " + clientAddress + " is known !");
            Route routeForIP6 = new Route(Route.Source.DHCP, clientAddress.toIpPrefix(), nextHopIp);
            log.debug("updating route of Client for indirectly connected.");
            log.debug("client ip: " + clientAddress + ", next hop ip6: " + nextHopIp);
            routeStore.updateRoute(routeForIP6);
        }
    }
}

Example 2 with Dhcp6IaAddressOption

use of org.onlab.packet.dhcp.Dhcp6IaAddressOption in project onos by opennetworkinglab.

the class DhcpRelayManagerTest method buildDhcp6Packet.

/**
 * Generates DHCP6 REQUEST packet.
 */
private void buildDhcp6Packet(DHCP6 dhcp6, byte msgType, Ip6Address ip6Addr, IpPrefix prefix) {
    // build address option
    Dhcp6IaAddressOption iaAddressOption = new Dhcp6IaAddressOption();
    iaAddressOption.setCode(DHCP6.OptionCode.IAADDR.value());
    iaAddressOption.setIp6Address(ip6Addr);
    iaAddressOption.setPreferredLifetime(3600);
    iaAddressOption.setValidLifetime(1200);
    iaAddressOption.setLength((short) Dhcp6IaAddressOption.DEFAULT_LEN);
    Dhcp6ClientIdOption clientIdOption = new Dhcp6ClientIdOption();
    Dhcp6Duid dhcp6Duip = new Dhcp6Duid();
    dhcp6Duip.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    // Ethernet
    dhcp6Duip.setHardwareType((short) 0x01);
    dhcp6Duip.setDuidTime(1234);
    dhcp6Duip.setLinkLayerAddress(CLIENT_MAC.toBytes());
    clientIdOption.setDuid(dhcp6Duip);
    Dhcp6IaNaOption iaNaOption = new Dhcp6IaNaOption();
    iaNaOption.setCode(DHCP6.OptionCode.IA_NA.value());
    iaNaOption.setIaId(0);
    iaNaOption.setT1(302400);
    iaNaOption.setT2(483840);
    List<Dhcp6Option> iaNaSubOptions = new ArrayList<Dhcp6Option>();
    iaNaSubOptions.add(iaAddressOption);
    iaNaOption.setOptions(iaNaSubOptions);
    iaNaOption.setLength((short) (Dhcp6IaNaOption.DEFAULT_LEN + iaAddressOption.getLength()));
    // build prefix option
    Dhcp6IaPrefixOption iaPrefixOption = new Dhcp6IaPrefixOption();
    iaPrefixOption.setCode(DHCP6.OptionCode.IAPREFIX.value());
    iaPrefixOption.setIp6Prefix(prefix.address().getIp6Address());
    iaPrefixOption.setPrefixLength((byte) prefix.prefixLength());
    iaPrefixOption.setPreferredLifetime(3601);
    iaPrefixOption.setValidLifetime(1201);
    iaPrefixOption.setLength((short) Dhcp6IaPrefixOption.DEFAULT_LEN);
    Dhcp6IaPdOption iaPdOption = new Dhcp6IaPdOption();
    iaPdOption.setCode(DHCP6.OptionCode.IA_PD.value());
    iaPdOption.setIaId(0);
    iaPdOption.setT1(302401);
    iaPdOption.setT2(483841);
    List<Dhcp6Option> iaPdSubOptions = new ArrayList<Dhcp6Option>();
    iaPdSubOptions.add(iaPrefixOption);
    iaPdOption.setOptions(iaPdSubOptions);
    iaPdOption.setLength((short) (Dhcp6IaPdOption.DEFAULT_LEN + iaPrefixOption.getLength()));
    dhcp6.setMsgType(msgType);
    List<Dhcp6Option> dhcp6Options = new ArrayList<Dhcp6Option>();
    dhcp6Options.add(iaNaOption);
    dhcp6Options.add(clientIdOption);
    dhcp6Options.add(iaPdOption);
    dhcp6.setOptions(dhcp6Options);
}