Examples with UDP org.onlab.packet.UDP used on opensource projects

Example 26 with UDP

use of org.onlab.packet.UDP in project onos by opennetworkinglab.

the class Dhcp6Test method serializeAdvertise.

/**
 * Test serialize advertise message.
 *
 * @throws Exception exception while serialize the DHCPv6 payload
 */
@Test
public void serializeAdvertise() throws Exception {
    DHCP6 dhcp6 = new DHCP6();
    dhcp6.setMsgType(DHCP6.MsgType.ADVERTISE.value());
    dhcp6.setTransactionId(XID_1);
    List<Dhcp6Option> options = Lists.newArrayList();
    // IA address
    Dhcp6IaAddressOption iaAddressOption = new Dhcp6IaAddressOption();
    iaAddressOption.setIp6Address(IA_ADDRESS);
    iaAddressOption.setPreferredLifetime(PREFFERRED_LT_SERVER);
    iaAddressOption.setValidLifetime(VALID_LT_SERVER);
    // IA NA
    Dhcp6IaNaOption iaNaOption = new Dhcp6IaNaOption();
    iaNaOption.setIaId(IA_ID);
    iaNaOption.setT1(T1_SERVER);
    iaNaOption.setT2(T2_SERVER);
    iaNaOption.setOptions(ImmutableList.of(iaAddressOption));
    options.add(iaNaOption);
    // Client ID
    Dhcp6Duid duid = new Dhcp6Duid();
    duid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    duid.setHardwareType((short) 1);
    duid.setDuidTime(CLIENT_DUID_TIME);
    duid.setLinkLayerAddress(CLIENT_MAC.toBytes());
    Dhcp6ClientIdOption clientIdOption = new Dhcp6ClientIdOption();
    clientIdOption.setDuid(duid);
    options.add(clientIdOption);
    // Server ID
    Dhcp6Option option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.SERVERID.value());
    option.setLength((short) 14);
    Dhcp6Duid serverDuid = new Dhcp6Duid();
    serverDuid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    serverDuid.setLinkLayerAddress(SERVER_MAC.toBytes());
    serverDuid.setHardwareType((short) 1);
    serverDuid.setDuidTime(0x211e5340);
    option.setData(serverDuid.serialize());
    options.add(option);
    dhcp6.setOptions(options);
    Dhcp6RelayOption relayOption = new Dhcp6RelayOption();
    relayOption.setPayload(dhcp6);
    UDP udp = new UDP();
    udp.setSourcePort(UDP.DHCP_V6_SERVER_PORT);
    udp.setDestinationPort(UDP.DHCP_V6_CLIENT_PORT);
    udp.setPayload(dhcp6);
    udp.setChecksum((short) 0xcb5a);
    IPv6 ipv6 = new IPv6();
    ipv6.setHopLimit((byte) 64);
    ipv6.setSourceAddress(UPSTREAM_LL.toOctets());
    ipv6.setDestinationAddress(CLIENT_LL.toOctets());
    ipv6.setNextHeader(IPv6.PROTOCOL_UDP);
    ipv6.setTrafficClass((byte) 0);
    ipv6.setFlowLabel(0x000d935f);
    ipv6.setPayload(udp);
    Ethernet eth = new Ethernet();
    eth.setDestinationMACAddress(CLIENT_MAC);
    eth.setSourceMACAddress(UPSTREAM_MAC);
    eth.setEtherType(Ethernet.TYPE_IPV6);
    eth.setPayload(ipv6);
    assertArrayEquals(Resources.toByteArray(Dhcp6RelayTest.class.getResource(ADVERTISE)), eth.serialize());
}

Example 27 with UDP

use of org.onlab.packet.UDP in project onos by opennetworkinglab.

the class Dhcp6Test method serializeRequest.

/**
 * Test serialize request message.
 *
 * @throws Exception exception while serialize the DHCPv6 payload
 */
@Test
public void serializeRequest() throws Exception {
    DHCP6 dhcp6 = new DHCP6();
    dhcp6.setMsgType(DHCP6.MsgType.REQUEST.value());
    dhcp6.setTransactionId(XID_2);
    List<Dhcp6Option> options = Lists.newArrayList();
    // Client ID
    Dhcp6Duid duid = new Dhcp6Duid();
    duid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    duid.setHardwareType((short) 1);
    duid.setDuidTime(CLIENT_DUID_TIME);
    duid.setLinkLayerAddress(CLIENT_MAC.toBytes());
    Dhcp6ClientIdOption clientIdOption = new Dhcp6ClientIdOption();
    clientIdOption.setDuid(duid);
    options.add(clientIdOption);
    // Server ID
    Dhcp6Option option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.SERVERID.value());
    option.setLength((short) 14);
    Dhcp6Duid serverDuid = new Dhcp6Duid();
    serverDuid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    serverDuid.setLinkLayerAddress(SERVER_MAC.toBytes());
    serverDuid.setHardwareType((short) 1);
    serverDuid.setDuidTime(0x211e5340);
    option.setData(serverDuid.serialize());
    options.add(option);
    // Option request
    option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.ORO.value());
    option.setLength((short) 8);
    option.setData(new byte[] { 0, 23, 0, 24, 0, 39, 0, 31 });
    options.add(option);
    // Elapsed Time
    option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.ELAPSED_TIME.value());
    option.setLength((short) 2);
    option.setData(new byte[] { 0, 0 });
    options.add(option);
    // IA address
    Dhcp6IaAddressOption iaAddressOption = new Dhcp6IaAddressOption();
    iaAddressOption.setIp6Address(IA_ADDRESS);
    iaAddressOption.setPreferredLifetime(PREFFERRED_LT_REQ);
    iaAddressOption.setValidLifetime(VALID_LT_REQ_2);
    // IA NA
    Dhcp6IaNaOption iaNaOption = new Dhcp6IaNaOption();
    iaNaOption.setIaId(IA_ID);
    iaNaOption.setT1(T1_CLIENT);
    iaNaOption.setT2(T2_CLIENT);
    iaNaOption.setOptions(ImmutableList.of(iaAddressOption));
    options.add(iaNaOption);
    dhcp6.setOptions(options);
    Dhcp6RelayOption relayOption = new Dhcp6RelayOption();
    relayOption.setPayload(dhcp6);
    UDP udp = new UDP();
    udp.setSourcePort(UDP.DHCP_V6_CLIENT_PORT);
    udp.setDestinationPort(UDP.DHCP_V6_SERVER_PORT);
    udp.setPayload(dhcp6);
    udp.setChecksum((short) 0xffc1);
    IPv6 ipv6 = new IPv6();
    ipv6.setHopLimit((byte) 1);
    ipv6.setSourceAddress(CLIENT_LL.toOctets());
    ipv6.setDestinationAddress(DHCP6_BRC.toOctets());
    ipv6.setNextHeader(IPv6.PROTOCOL_UDP);
    ipv6.setTrafficClass((byte) 0);
    ipv6.setFlowLabel(0x000322ad);
    ipv6.setPayload(udp);
    Ethernet eth = new Ethernet();
    eth.setDestinationMACAddress(IPV6_MCAST);
    eth.setSourceMACAddress(CLIENT_MAC);
    eth.setEtherType(Ethernet.TYPE_IPV6);
    eth.setPayload(ipv6);
    assertArrayEquals(Resources.toByteArray(Dhcp6RelayTest.class.getResource(REQUEST)), eth.serialize());
}

Example 28 with UDP

use of org.onlab.packet.UDP in project onos by opennetworkinglab.

the class AuthenticationTest method setUpBeforeClass.

@BeforeClass
public static void setUpBeforeClass() throws Exception {
    data = new Data();
    data.setData("testSerialize".getBytes());
    udp = new UDP();
    udp.setPayload(data);
    byte[] bytePayload = udp.serialize();
    byte[] byteHeader = { (byte) 0x11, (byte) 0x02, (byte) 0x00, (byte) 0x00, (byte) 0x13, (byte) 0x57, (byte) 0x24, (byte) 0x68, (byte) 0x00, (byte) 0xff, (byte) 0xff, (byte) 0x00, (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44 };
    bytePacket = new byte[byteHeader.length + bytePayload.length];
    System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
    System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length);
}

Example 29 with UDP

use of org.onlab.packet.UDP in project onos by opennetworkinglab.

the class OpenstackRoutingSnatHandler method setStatelessSnatDownstreamRules.

private void setStatelessSnatDownstreamRules(InstancePort srcInstPort, String segmentId, Type networkType, IpAddress externalIp, ExternalPeerRouter externalPeerRouter, TpPort patPort, InboundPacket packetIn) {
    IPv4 iPacket = (IPv4) packetIn.parsed().getPayload();
    IpAddress internalIp = IpAddress.valueOf(iPacket.getSourceAddress());
    TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder().matchEthType(Ethernet.TYPE_IPV4).matchIPProtocol(iPacket.getProtocol()).matchIPDst(IpPrefix.valueOf(externalIp.getIp4Address(), VM_PREFIX)).matchIPSrc(IpPrefix.valueOf(iPacket.getDestinationAddress(), VM_PREFIX));
    TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder().setEthDst(packetIn.parsed().getSourceMAC()).setIpDst(internalIp);
    if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) {
        sBuilder.matchVlanId(externalPeerRouter.vlanId());
        tBuilder.popVlan();
    }
    switch(networkType) {
        case VXLAN:
        case GRE:
        case GENEVE:
            tBuilder.setTunnelId(Long.parseLong(segmentId));
            break;
        case VLAN:
            tBuilder.pushVlan().setVlanId(VlanId.vlanId(segmentId));
            break;
        default:
            final String error = String.format("%s %s", ERR_UNSUPPORTED_NET_TYPE, networkType.toString());
            throw new IllegalStateException(error);
    }
    switch(iPacket.getProtocol()) {
        case IPv4.PROTOCOL_TCP:
            TCP tcpPacket = (TCP) iPacket.getPayload();
            sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getDestinationPort())).matchTcpDst(patPort);
            tBuilder.setTcpDst(TpPort.tpPort(tcpPacket.getSourcePort()));
            break;
        case IPv4.PROTOCOL_UDP:
            UDP udpPacket = (UDP) iPacket.getPayload();
            sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getDestinationPort())).matchUdpDst(patPort);
            tBuilder.setUdpDst(TpPort.tpPort(udpPacket.getSourcePort()));
            break;
        default:
            break;
    }
    OpenstackNode srcNode = osNodeService.node(srcInstPort.deviceId());
    osNodeService.completeNodes(GATEWAY).forEach(gNode -> {
        TrafficTreatment treatment = getDownstreamTreatment(networkType, tBuilder, gNode, srcNode);
        osFlowRuleService.setRule(appId, gNode.intgBridge(), sBuilder.build(), treatment, PRIORITY_SNAT_RULE, GW_COMMON_TABLE, true);
    });
}

Example 30 with UDP

use of org.onlab.packet.UDP in project onos by opennetworkinglab.

the class OpenstackSwitchingDhcpHandlerTest method constructDhcpPacket.

/**
 * Constructs an Ethernet packet containing a DHCP payload.
 *
 * @param msgType DHCP message type
 * @return Ethernet packet
 */
private Ethernet constructDhcpPacket(DHCP.MsgType msgType) {
    // Ethernet frame
    Ethernet ethFrame = new Ethernet();
    ethFrame.setSourceMACAddress(CLIENT_HOST.mac());
    ethFrame.setDestinationMACAddress(MacAddress.BROADCAST);
    ethFrame.setEtherType(Ethernet.TYPE_IPV4);
    ethFrame.setVlanID((short) 2);
    // IP packet
    IPv4 ipv4Pkt = new IPv4();
    ipv4Pkt.setSourceAddress(0);
    ipv4Pkt.setDestinationAddress(BROADCAST.toInt());
    ipv4Pkt.setTtl((byte) 127);
    // UDP datagram
    UDP udpDatagram = new UDP();
    udpDatagram.setSourcePort((byte) UDP.DHCP_CLIENT_PORT);
    udpDatagram.setDestinationPort((byte) UDP.DHCP_SERVER_PORT);
    // DHCP payload
    DHCP dhcp = new DHCP();
    dhcp.setOpCode(DHCP.OPCODE_REQUEST);
    dhcp.setYourIPAddress(0);
    dhcp.setServerIPAddress(0);
    dhcp.setTransactionId(TRANSACTION_ID);
    dhcp.setClientHardwareAddress(CLIENT_HOST.mac().toBytes());
    dhcp.setHardwareType(DHCP.HWTYPE_ETHERNET);
    dhcp.setHardwareAddressLength((byte) 6);
    // DHCP options start...
    DhcpOption option = new DhcpOption();
    List<DhcpOption> optionList = new ArrayList<>();
    // DHCP message type
    option.setCode(OptionCode_MessageType.getValue());
    option.setLength((byte) 1);
    byte[] optionData = { (byte) msgType.getValue() };
    option.setData(optionData);
    optionList.add(option);
    // DHCP requested IP address
    option = new DhcpOption();
    option.setCode(OptionCode_RequestedIP.getValue());
    option.setLength((byte) 4);
    optionData = Ip4Address.valueOf(EXPECTED_IP).toOctets();
    option.setData(optionData);
    optionList.add(option);
    // DHCP domain server
    Subnet subnet = dhcpHandler.osNetworkService.subnet("subnet");
    option = new DhcpOption();
    option.setCode(OptionCode_DomainServer.getValue());
    option.setLength((byte) 8);
    ByteBuffer dnsByteBuf = ByteBuffer.allocate(8);
    dnsByteBuf.put(DEFAULT_PRIMARY_DNS.toOctets());
    dnsByteBuf.put(DEFAULT_SECONDARY_DNS.toOctets());
    option.setData(dnsByteBuf.array());
    optionList.add(option);
    // MTU
    option = new DhcpOption();
    option.setCode(DHCP_OPTION_MTU);
    option.setLength((byte) 2);
    option.setData(ByteBuffer.allocate(2).putShort(MTU).array());
    optionList.add(option);
    // classless static route
    option = new DhcpOption();
    option.setCode(OptionCode_Classless_Static_Route.getValue());
    option.setLength((byte) HOST_ROUTES_SIZE);
    ByteBuffer hostRouteByteBuf = ByteBuffer.allocate(HOST_ROUTES_SIZE);
    subnet.getHostRoutes().forEach(h -> {
        IpPrefix ipPrefix = IpPrefix.valueOf(h.getDestination());
        hostRouteByteBuf.put(bytesDestinationDescriptor(ipPrefix));
        hostRouteByteBuf.put(Ip4Address.valueOf(h.getNexthop()).toOctets());
    });
    option.setData(hostRouteByteBuf.array());
    optionList.add(option);
    // default router address setup
    option = new DhcpOption();
    option.setCode(OptionCode_RouterAddress.getValue());
    option.setLength((byte) 4);
    option.setData(Ip4Address.valueOf(subnet.getGateway()).toOctets());
    optionList.add(option);
    // DHCP options end...
    option = new DhcpOption();
    option.setCode(OptionCode_END.getValue());
    option.setLength((byte) 1);
    optionList.add(option);
    dhcp.setOptions(optionList);
    udpDatagram.setPayload(dhcp);
    ipv4Pkt.setPayload(udpDatagram);
    ethFrame.setPayload(ipv4Pkt);
    return ethFrame;
}