Examples with IPv4 org.onlab.packet.IPv4 used on opensource projects

Example 51 with IPv4

use of org.onlab.packet.IPv4 in project dhcpl2relay by opencord.

the class DhcpL2RelayTestBase method constructDhcpNakPacket.

/**
 * Constructs DHCP Nak Packet.
 *
 * @return Ethernet packet
 */
Ethernet constructDhcpNakPacket(MacAddress servMac, MacAddress clientMac, String ipAddress, String dhcpClientIpAddress, VlanId clientVlan, short clientPcp) {
    Ethernet pkt = constructEthernetPacket(servMac, clientMac, ipAddress, DHCP.OPCODE_REPLY, clientMac, Ip4Address.valueOf(dhcpClientIpAddress), clientVlan, clientPcp);
    IPv4 ipv4Packet = (IPv4) pkt.getPayload();
    UDP udpPacket = (UDP) ipv4Packet.getPayload();
    DHCP dhcpPacket = (DHCP) udpPacket.getPayload();
    dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPNAK));
    return pkt;
}

Example 52 with IPv4

use of org.onlab.packet.IPv4 in project dhcpl2relay by opencord.

the class DhcpL2RelayTestBase method constructDhcpAckPacket.

/**
 * Constructs DHCP Ack Packet.
 *
 * @return Ethernet packet
 */
Ethernet constructDhcpAckPacket(MacAddress servMac, MacAddress clientMac, String ipAddress, String dhcpClientIpAddress) {
    Ethernet pkt = construcEthernetPacket(servMac, clientMac, ipAddress, DHCP.OPCODE_REPLY, clientMac, Ip4Address.valueOf(dhcpClientIpAddress));
    IPv4 ipv4Packet = (IPv4) pkt.getPayload();
    UDP udpPacket = (UDP) ipv4Packet.getPayload();
    DHCP dhcpPacket = (DHCP) udpPacket.getPayload();
    dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPACK));
    return pkt;
}

Example 53 with IPv4

use of org.onlab.packet.IPv4 in project dhcpl2relay by opencord.

the class DhcpL2RelayTestBase method constructDhcpDeclinePacket.

/**
 * Constructs DHCP Decline Packet.
 *
 * @return Ethernet packet
 */
Ethernet constructDhcpDeclinePacket(MacAddress clientMac) {
    Ethernet pkt = construcEthernetPacket(clientMac, MacAddress.BROADCAST, "255.255.255.255", DHCP.OPCODE_REQUEST, clientMac, Ip4Address.valueOf("0.0.0.0"));
    IPv4 ipv4Packet = (IPv4) pkt.getPayload();
    UDP udpPacket = (UDP) ipv4Packet.getPayload();
    DHCP dhcpPacket = (DHCP) udpPacket.getPayload();
    dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPDECLINE));
    return pkt;
}

Example 54 with IPv4

use of org.onlab.packet.IPv4 in project aaa by opencord.

the class SamplePacketCustomizer method customizeEthernetIPHeaders.

/**
 * Customize the Ethernet header as per specific Setup or RADIUS
 * server requirements.
 *
 * @param inPkt Ethernet packet to be changed
 * @param eapPacket Incoming packet containing EAP for which this the
 *                  RADIUS message is being created
 * @return Changed Ethernet packet
 */
@Override
public Ethernet customizeEthernetIPHeaders(Ethernet inPkt, InboundPacket eapPacket) {
    String serialNo = customInfo.deviceService().getDevice(eapPacket.receivedFrom().deviceId()).serialNumber();
    log.info("SampleRadiusCustomzer customizer serial = {}", serialNo);
    if (customInfo.subscriberService() == null) {
        log.warn(SADIS_NOT_RUNNING);
        return inPkt;
    }
    SubscriberAndDeviceInformation deviceInfo = customInfo.subscriberService().get(serialNo);
    if (deviceInfo == null) {
        log.warn("No Device found with SN {}", serialNo);
        return inPkt;
    }
    MacAddress macAddress = deviceInfo.hardwareIdentifier();
    Ip4Address ipAddress = deviceInfo.ipAddress();
    if (macAddress == null || ipAddress == null) {
        log.warn("Insufficient data to Customize Ethernet IP Headers" + " : hardwareIdentifier = {}, ipAddress = {}", macAddress, ipAddress);
        return inPkt;
    }
    inPkt.setSourceMACAddress(macAddress);
    IPv4 ipv4Packet = (IPv4) inPkt.getPayload();
    ipv4Packet.setSourceAddress(ipAddress.toString());
    inPkt.setPayload(ipv4Packet);
    return inPkt;
}

Example 55 with IPv4

use of org.onlab.packet.IPv4 in project fabric-tna by stratum.

the class FabricIntProgrammable method setUpCollectorFlows.

private void setUpCollectorFlows(IntReportConfig config) {
    FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
    final PiAction watchlistAction = PiAction.builder().withId(P4InfoConstants.FABRIC_INGRESS_INT_WATCHLIST_NO_REPORT_COLLECTOR).build();
    Streams.stream(flowRuleService.getFlowEntriesById(appId)).filter(entry -> entry.deviceId().equals(deviceId)).filter(entry -> entryWithActionId(entry, watchlistAction.id())).forEach(ops::remove);
    ops.newStage();
    final TrafficTreatment watchlistTreatment = DefaultTrafficTreatment.builder().piTableAction(watchlistAction).build();
    final TrafficSelector watchlistSelector = DefaultTrafficSelector.builder().matchIPDst(config.collectorIp().toIpPrefix()).matchIPProtocol(IPv4.PROTOCOL_UDP).matchUdpDst(config.collectorPort()).build();
    final FlowRule watchlistRule = DefaultFlowRule.builder().forDevice(deviceId).withSelector(buildCollectorSelector(watchlistSelector.criteria())).withTreatment(watchlistTreatment).withPriority(DEFAULT_PRIORITY + 10).forTable(P4InfoConstants.FABRIC_INGRESS_INT_WATCHLIST_WATCHLIST).fromApp(appId).makePermanent().build();
    ops.add(watchlistRule);
    flowRuleService.apply(ops.build());
}