Examples of JPacket

org.jnetpcap.packet.JPacket
A native packet buffer object. This class references both packet data buffer and decoded native packet structure. JPacket class is a subclass of a more general JBuffer providing full access to raw packet buffer data. It also has a reference to JPacket.State object which is peered, associated with, a native packet state structure generated by the packet scanner, the JScanner.
The packet interface provides numerous methods for accessing the decoded information. To check if any particular header is found within the packet's data buffer at the time the packet was scanned, the user can use {@link #hasHeader} methods. The method returns true if a particular header isfound within the packet data buffer, otherwise false. A convenience method {@link #hasHeader(JHeader)} exists that performs both an existance check andinitializes the header instace supplied to point at the header within the packet.

There are also numerous peer and deep copy methods. The peering methods do not copy any buffers but simply re-orient the pointers to point at the source peer structures to destination peer. The deep copy methods do copy physical data out of buffers and entire structures using native copy functions, not in java space.
@author Mark Bednarczyk @author Sly Technologies, Inc.

Examples of org.jnetpcap.packet.JPacket

  /**
   * Test rtp heuristics.
   */
  public void testRtpHeuristics() {


    JPacket packet = super.getPcapPacket(SIP_G711, 499 - 1);


    // System.out.println(JRegistry.toDebugString());
    System.out.println(packet.getState().toDebugString());
    System.out.println(packet);
    System.out.flush();


    assertNotNull(packet);
    assertTrue(packet.hasHeader(JProtocol.RTP_ID));
  }

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Examples of org.jnetpcap.packet.JPacket

    Ip4.Timestamp ts = new Ip4.Timestamp();
    Ip4.LooseSourceRoute lsroute = new Ip4.LooseSourceRoute();
    Ip4.StrictSourceRoute ssroute = new Ip4.StrictSourceRoute();
    Ip4.RecordRoute record = new Ip4.RecordRoute();


    JPacket packet =
        TestUtils.getPcapPacket("tests/test-icmp-recordroute-opt.pcap", 0);


    JFormatter out = new TextFormatter();
    out.format(packet);
    
    assertNotNull(packet);
    assertTrue(packet.hasHeader(ip));
    assertTrue(ip.hasSubHeaders());
    assertFalse(ip.hasSubHeader(lsroute));
    assertFalse(ip.hasSubHeader(ssroute));
    assertFalse(ip.hasSubHeader(ts));
    
    assertTrue(ip.hasSubHeader(record));
    assertEquals(9, record.addressCount());
    
    byte[] b = record.address(0);
    assertNotNull(b);
    assertEquals(4, b.length);
    assertEquals(-64, b[0]); // 192 in unsinged int
    assertEquals(-88, b[1]); // 168 in unsigned int
    assertEquals(1, b[2]);   // 1
    assertEquals(13, b[3]);  // 13
    
    assertNotNull(packet);
    assertTrue(packet.hasHeader(ip));
    assertTrue(ip.hasSubHeaders());
    assertFalse(ip.hasSubHeader(lsroute));
    assertFalse(ip.hasSubHeader(ssroute));
    assertFalse(ip.hasSubHeader(ts));

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Examples of org.jnetpcap.packet.JPacket

    Ip4.Timestamp ts = new Ip4.Timestamp();
    Ip4.LooseSourceRoute lsroute = new Ip4.LooseSourceRoute();
    Ip4.StrictSourceRoute ssroute = new Ip4.StrictSourceRoute();
    Ip4.RecordRoute record = new Ip4.RecordRoute();


    JPacket packet =
        TestUtils.getPcapPacket("tests/test-icmp-recordroute-opt.pcap", 0);


    if (packet.hasHeader(ip) && ip.hasSubHeaders()) {


      if (ip.hasSubHeader(lsroute)) {
        System.out.println("LooseSource");
      }

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Examples of org.jnetpcap.packet.JPacket

   * 
   * @throws IOException
   *           Signals that an I/O exception has occurred.
   */
  public void test1() throws IOException {
    JPacket packet =
        TestUtils.getPcapPacket("tests/test-icmp-recordroute-opt.pcap", 0);
    assertNotNull(packet);


    TextFormatter out = new TextFormatter(System.out);
    out.format(packet);


    System.out.println(packet.toString());


    System.out.println(packet.getState().toHexdump());
    System.out.println(packet.getState().toDebugString());
  }

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Examples of org.jnetpcap.packet.JPacket

  /**
   * _test1.
   */
  public void _test1() {


    JPacket packet = TestUtils.getPcapPacket("tests/test-afs.pcap", 0);


    MyHeader my = new MyHeader();


    if (packet.hasHeader(my) && my.version() == 4) {
      System.out.printf("found it id=%d\n", my.getId());


      System.out.println(packet.toString());
    } else {
      System.out.printf("not found id=%d\n", my.getId());
    }
  }

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Examples of org.jnetpcap.packet.JPacket

      System.out.printf("field=%s\n", field.toString());
    }


    Ip4 ip = new Ip4();


    JPacket packet = TestUtils.getPcapPacket("tests/test-afs.pcap", 0);


    if (packet.hasHeader(JProtocol.IP4_ID)) {
      ip = packet.getHeader(ip);
      JFormatter out = new TextFormatter(System.out);
      out.format(ip, Detail.MULTI_LINE_FULL_DETAIL);
    }


  }

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Examples of org.jnetpcap.packet.JPacket

  /**
   * Test peer to j buffer.
   */
  public void testPeerToJBuffer() {
    assertNotNull(VariousInMemoryPackets.PACKET_1);
    JPacket packet = new JMemoryPacket(VariousInMemoryPackets.PACKET_1);
    packet.scan(Ethernet.ID);
    
    System.out.println(packet);
  }

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Examples of org.jnetpcap.packet.JPacket

   *           Signals that an I/O exception has occurred.
   */
  public void testTextFormatter() throws IOException {
    JFormatter out = new TextFormatter(OUT);
    
    JPacket packet = TestUtils.getPcapPacket("tests/test-vlan.pcap", 0);
    try {
      out.format(packet);
      
    } catch (Exception e) {
      e.printStackTrace();

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Examples of org.jnetpcap.packet.JPacket

   *           Signals that an I/O exception has occurred.
   */
  public void testXmlFormatter() throws IOException {
    JFormatter out = new XmlFormatter(OUT);
    
    JPacket packet = TestUtils.getPcapPacket("tests/test-afs.pcap", 0);


    out.format(packet);
  }

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Examples of org.jnetpcap.packet.JPacket

   *           Signals that an I/O exception has occurred.
   */
  public void testXmlIp4RecordRouteOpt() throws IOException {
    JFormatter out = new XmlFormatter(OUT);
    
    JPacket packet = TestUtils.getPcapPacket("tests/test-icmp-recordroute-opt.pcap", 0);


    out.format(packet);
  }

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