Package org.hxzon.netprotocol.packet

Examples of org.hxzon.netprotocol.packet.Ip4Packet

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    public static void initPacket() {
        new EthernetPacket();
        new VlanPacket();
        new GoosePacket();
        new SvPacket();
        new Ip4Packet();
        new TcpPacket();
        new UdpPacket();
        new TpktPacket();
        new CotpPacket();
        new OsiSessionPacket();
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        }
    }

    public IPacketPayload parsePayload() {
        Collections.sort(_packets, comparator);
        Ip4Packet lastPacket = _packets.get(_packets.size() - 1);
        byte[] reassembly = new byte[lastPacket.fetchFragmentOffset().getValue() * 8 + lastPacket.getPayloadLength()];
        int i = 0;
        int len = 0;
        for (Ip4Packet packet : _packets) {
            len = packet.getPayloadLength();
            System.arraycopy(packet.getSrcData(), packet.getPayloadOffset(), reassembly, i, len);
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public class CotpPacketCache {

    private static Map<Integer, CotpPacketGroup> groups = new HashMap<Integer, CotpPacketGroup>();

    public static void addCotpPacket(CotpPacket cotpPacket) {
        Ip4Packet ip4Packet = null;
        TcpPacket tcpPacket = null;
        for (IPacket parent = cotpPacket.getSrcPacket();;) {
            if (parent instanceof Ip4Packet) {
                ip4Packet = (Ip4Packet) parent;
                break;
            } else if (parent instanceof TcpPacket) {
                tcpPacket = (TcpPacket) parent;
            }
            parent = parent.getSrcPacket();
        }
        if (ip4Packet == null || tcpPacket == null) {
            return;
        }
        int protocolCode = ip4Packet.fetchProtocolCode().getValue();
        long sourceIp = ip4Packet.fetchSourceIp().getValue();
        long destIp = ip4Packet.fetchDestIp().getValue();
        int sourcePort = tcpPacket.fetchSourcePort().getValue();
        int destPort = tcpPacket.fetchDestPort().getValue();
        int key = new HashCodeBuilder().append(protocolCode).append(sourceIp).append(destIp).append(sourcePort).append(destPort).toHashCode();
        CotpPacketGroup group = groups.get(key);
        if (group == null && !cotpPacket.isLastUnit()) {
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Related Classes of org.hxzon.netprotocol.packet.Ip4Packet

  • org.hxzon.netprotocol.field.ProtocolBitField
  • org.hxzon.netprotocol.field.ProtocolInt31Field
  • org.hxzon.netprotocol.field.ProtocolIpField
  • org.hxzon.netprotocol.parse.CotpPacketCache
  • org.hxzon.netprotocol.parse.Ip4PacketGroup
  • org.hxzon.netprotocol.parse.PacketUtils
  • org.hxzon.netprotocol.payload.DataPayload
  • org.hxzon.netprotocol.payload.MissPayload
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