Examples of org.jnetpcap.nio.JBuffer

org.jnetpcap.nio.JBuffer
A direct buffer stored in native memory. @author Mark Bednarczyk @author Sly Technologies, Inc.

   */
  public void testNext() {
    Pcap pcap = Pcap.openOffline(fname, errbuf);
    try {
      PcapHeader header = new PcapHeader(); // allocated memory
      JBuffer buffer = new JBuffer(JMemory.Type.POINTER);


      buffer = pcap.next(header, buffer);


      assertNotNull(buffer);
      assertEquals(114, header.caplen());
      assertEquals(114, buffer.size());
    } finally {
      pcap.close();
    }
  }

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   */
  public void testNextEx() {
    Pcap pcap = Pcap.openOffline(fname, errbuf);
    try {
      PcapHeader header = new PcapHeader(JMemory.Type.POINTER);
      JBuffer buffer = new JBuffer(JMemory.Type.POINTER);


      assertEquals(1, pcap.nextEx(header, buffer));


      assertEquals(114, header.caplen());
      assertEquals(114, buffer.size());


    } finally {
      pcap.close();
    }
  }

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        public void nextPacket(
            PcapHeader header,
            JBuffer packet,
            Counter counter) {
          counter.inc();
          new JBuffer(packet.size()).transferFrom(packet);
        }
      });
    }
  }

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        public void nextPacket(
            PcapHeader header,
            JBuffer packet,
            Counter counter) {
          counter.inc();
          new JBuffer(packet.size()).transferFrom(packet);
        }
      });
    }
  }

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   *          data to be copied into the queue
   */
  public WinPcapSendQueue(byte[] data) {
    super(STRUCT_NAME, sizeof());


    this.buffer = new JBuffer(data.length);
    this.buffer.order(ByteOrder.nativeOrder()); // Force byte ordering


    this.buffer.setByteArray(0, data);
    setMaxLen(data.length);
    setLen(data.length);

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   * @throws PeeringException
   *           the peering exception
   */
  public WinPcapSendQueue(ByteBuffer buffer) throws PeeringException {
    super(STRUCT_NAME, sizeof());
    this.buffer = new JBuffer(Type.POINTER);
    this.buffer.order(ByteOrder.nativeOrder()); // Force byte ordering


    if (buffer.isDirect() == false) {
      throw new IllegalArgumentException("Only direct buffers are accepted. "
          + "See ByteBuffer.allocateDirect method.");

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   * @param size
   *          size of the queue in bytes
   */
  public WinPcapSendQueue(int size) {
    super(STRUCT_NAME, sizeof());
    this.buffer = new JBuffer(size);
    this.buffer.order(ByteOrder.nativeOrder()); // Force byte ordering


    setMaxLen(size);
    setLen(0);
    setBuffer(buffer);

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   *          Also the queue has to be large enough to hold all of the data, or
   *          an exception will be thrown.
   * @return 0 (Pcap.OK) on success; exception thrown on failure
   */
  public int queue(PcapHeader header, byte[] data) {
    return queue(header, new JBuffer(data));
  }

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   *          Also the queue has to be large enough to hold all of the data, or
   *          an exception will be thrown.
   * @return 0 (Pcap.OK) on success; exception thrown on failure
   */
  public int queue(PcapHeader header, ByteBuffer data) {
    return queue(header, new JBuffer(data));
  }

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  public <T> int dispatch(int cnt, JBufferHandler<T> handler, T user) {
    return dispatch(cnt,
        handler,
        user,
        new PcapHeader(Type.POINTER),
        new JBuffer(Type.POINTER));
  }

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org.jnetpcap.bugs.Bug2828030_wirelen_not_set_in_JMemoryPacket

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org.jnetpcap.bugs.Bug2878768_jmemory_packet_int

org.jnetpcap.packet.JMemoryPacket

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org.jnetpcap.packet.TestJHeader

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