Package org.jnetpcap.protocol.network

Examples of org.jnetpcap.protocol.network.Ip4

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    JFormatter out = new TextFormatter(OUT);
    out.setResolveAddresses(false);

    PcapPacket packet = TestUtils.getPcapPacket("tests/test-http-jpeg.pcap", 5);

    Ip4 ip = new Ip4();
    Ethernet eth = new Ethernet();
    if (packet.hasHeader(eth)) {
      out.format(eth);
    }
    if (packet.hasHeader(ip)) {
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    JFormatter out = new TextFormatter(OUT);
    out.setResolveAddresses(true);

    PcapPacket packet = TestUtils.getPcapPacket("tests/test-http-jpeg.pcap", 5);

    Ip4 ip = new Ip4();
    Ethernet eth = new Ethernet();
    if (packet.hasHeader(eth)) {
      out.format(eth);
    }
    if (packet.hasHeader(ip)) {
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   * starting offset of payload for IP header is 0x22 (34) bytes into the packet.
   */
  public void testJPayloadAccessorGetPayload() {
    JPacket packet = TestUtils.getPcapPacket(HTTP, 5);

    JPayloadAccessor ip = packet.getHeader(new Ip4());
    assertNotNull(ip);

    byte[] buffer = ip.getPayload();
    assertEquals(0x00, buffer[0]);
    assertEquals(0x50, buffer[1]);
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   * starting offset of payload for IP header is 0x22 (34) bytes into the packet.
   */
  public void testJPayloadAccessorTransferPayloadToByteArray() {
    JPacket packet = TestUtils.getPcapPacket(HTTP, 5);

    JPayloadAccessor ip = packet.getHeader(new Ip4());
    assertNotNull(ip);

    byte[] buffer = ip.transferPayloadTo(new byte[489 - 34]);
    assertEquals(0x00, buffer[0]);
    assertEquals(0x50, buffer[1]);
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   * starting offset of payload for IP header is 0x22 (34) bytes into the packet.
   */
  public void testJPayloadAccessorPeerPayloadToJBuffer() {
    JPacket packet = TestUtils.getPcapPacket(HTTP, 5);

    JPayloadAccessor ip = packet.getHeader(new Ip4());
    assertNotNull(ip);

    JBuffer buffer = ip.peerPayloadTo(new JBuffer(JMemory.Type.POINTER));
    assertEquals(0x00, buffer.getUByte(0));
    assertEquals(0x50, buffer.getUByte(1));
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   * starting offset of payload for IP header is 0x22 (34) bytes into the packet.
   */
  public void testJPayloadAccessorTransferPayloadToJBuffer() {
    JPacket packet = TestUtils.getPcapPacket(HTTP, 5);

    JPayloadAccessor ip = packet.getHeader(new Ip4());
    assertNotNull(ip);

    JBuffer buffer = ip.transferPayloadTo(new JBuffer(489 - 34));
    assertEquals(0x00, buffer.getUByte(0));
    assertEquals(0x50, buffer.getUByte(1));
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                + "2000d94300000204 05b4010303020101 " + "0402");

    InetAddress dst = InetAddress.getByName("201.1.1.1");
    InetAddress src = InetAddress.getByName("192.168.1.1");

    Ip4 ip = packet.getHeader(new Ip4());
    Tcp tcp = packet.getHeader(new Tcp());

    ip.destination(dst.getAddress());
    ip.source(src.getAddress());

    ip.checksum(ip.calculateChecksum());
    tcp.checksum(tcp.calculateChecksum());
    packet.scan(Ethernet.ID);

    System.out.println(packet);
    List<PcapIf> alldevs = new ArrayList<PcapIf>(); // Will be filled with NICs
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Related Classes of org.jnetpcap.protocol.network.Ip4

  • org.jnetpcap.bugs.Bug2818101_RtpHeaderLength_Invalid
  • org.jnetpcap.bugs.Bug2832692_null_ptr_in_hasHeader
  • org.jnetpcap.bugs.Bug2878768_jmemory_packet_int
  • org.jnetpcap.header.TestAnotatedDefinition
  • org.jnetpcap.header.TestHttp
  • org.jnetpcap.header.TestIcmp
  • org.jnetpcap.header.TestSubHeader
  • org.jnetpcap.packet.TestJHeader
  • org.jnetpcap.protocol.TestTcpIp
  • org.jnetpcap.TestTransmitter
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