Examples with Dhcp6IaPdOption org.onlab.packet.dhcp.Dhcp6IaPdOption used on opensource projects

Example 1 with Dhcp6IaPdOption

use of org.onlab.packet.dhcp.Dhcp6IaPdOption in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method extractPrefix.

/**
 * extract from dhcp6 packet Prefix prefix provided by dhcp server.
 *
 * @param dhcp6 the dhcp6 payload
 * @return IpPrefix Prefix Delegation prefix, or null if not exists.
 */
private PdPrefixInfo extractPrefix(DHCP6 dhcp6) {
    log.debug("extractPrefix  enters {}", dhcp6);
    // extract prefix
    PdPrefixInfo pdPrefixInfo = new PdPrefixInfo();
    Ip6Address prefixAddress = null;
    // Extract IPv6 prefix from IA PD option
    Optional<Dhcp6IaPdOption> iaPdOption = dhcp6.getOptions().stream().filter(opt -> opt instanceof Dhcp6IaPdOption).map(opt -> (Dhcp6IaPdOption) opt).findFirst();
    Optional<Dhcp6IaPrefixOption> iaPrefixOption;
    if (iaPdOption.isPresent()) {
        log.debug("IA_PD option found {}", iaPdOption);
        iaPrefixOption = iaPdOption.get().getOptions().stream().filter(opt -> opt instanceof Dhcp6IaPrefixOption).map(opt -> (Dhcp6IaPrefixOption) opt).findFirst();
    } else {
        log.debug("IA_PD option NOT found");
        iaPrefixOption = Optional.empty();
    }
    if (iaPrefixOption.isPresent()) {
        log.debug("IAPrefix Option within IA_PD option found {}", iaPrefixOption);
        prefixAddress = iaPrefixOption.get().getIp6Prefix();
        int prefixLen = (int) iaPrefixOption.get().getPrefixLength();
        log.debug("Prefix length is  {} bits", prefixLen);
        pdPrefixInfo.pdPrefix = IpPrefix.valueOf(prefixAddress, prefixLen);
        pdPrefixInfo.prefTime = iaPrefixOption.get().getPreferredLifetime();
    } else {
        log.debug("Can't find IPv6 prefix from DHCPv6 {}", dhcp6);
        return null;
    }
    return pdPrefixInfo;
}

Example 2 with Dhcp6IaPdOption

use of org.onlab.packet.dhcp.Dhcp6IaPdOption 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);
}