Package com.slytechs.file.snoop

Source Code of com.slytechs.file.snoop.SnoopPacketImpl

/**
* Copyright (C) 2007 Sly Technologies, Inc. This library is free software; you
* can redistribute it and/or modify it under the terms of the GNU Lesser
* General Public License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version. This
* library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details. You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.slytechs.file.snoop;

import java.io.IOException;
import java.sql.Timestamp;

import org.jnetstream.capture.CaptureDevice;
import org.jnetstream.capture.file.RecordType;
import org.jnetstream.capture.file.snoop.SnoopPacket;
import org.jnetstream.capture.file.snoop.SnoopPacketRecord;
import org.jnetstream.capture.file.snoop.SnoopPacketRecord.SnoopPacketHeader;
import org.jnetstream.packet.Header;
import org.jnetstream.protocol.ProtocolEntry;
import org.jnetstream.protocol.ProtocolNotFoundException;

import com.slytechs.capture.file.editor.EditorHandle;
import com.slytechs.capture.file.editor.FileEditor;
import com.slytechs.jnetstream.packet.AFilePacket;
import com.slytechs.utils.memory.BitBuffer;

/**
* @author Mark Bednarczyk
* @author Sly Technologies, Inc.
*/
public class SnoopPacketImpl
    extends AFilePacket implements SnoopPacket {

  /**
   * @param editor
   * @param handle
   * @param dlt
   *          TODO
   * @throws IOException
   */
  public SnoopPacketImpl(FileEditor editor, EditorHandle handle,
      ProtocolEntry dlt) throws IOException {
    super(dlt, editor, handle);
  }

  public SnoopPacketImpl(BitBuffer buffer, long position, ProtocolEntry dlt)
      throws IOException {
    super(dlt, null, buffer, position);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.packet.Packet#getBuffer()
   */
  public BitBuffer getBuffer() throws IOException {
    final BitBuffer b = getRecordBitBuffer();
    b.position(b.position() + SnoopPacketRecord.HEADER_LENGTH * 8);

    return b;
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.capture.CapturePacket#getIncludedLength()
   */
  public long getIncludedLength() throws IOException {
    return (Long) SnoopPacketHeader.IncludedLength.read(getRecordByteBuffer(), offset);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.packet.Packet#getLastHeader(java.lang.Class)
   */
  public <T extends Header> T getLastHeader(Class<T> c)
      throws ProtocolNotFoundException, IllegalStateException {
    // TODO Auto-generated method stub
    throw new UnsupportedOperationException("Not implemented yet");
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.capture.CapturePacket#getOriginalLength()
   */
  public long getOriginalLength() throws IOException {
    return (Long) SnoopPacketHeader.OriginalLength.read(getRecordByteBuffer(), offset);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.capture.FilePacket#getPositionLocal()
   */
  public int getPositionLocal() throws IOException {
    return (int) handle.getPositionLocal();
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.capture.FilePacket#getPositionRegional()
   */
  public long getPositionRegional() throws IOException {
    return handle.getPositionRegional();
  }

  /*
   * (non-Javadoc)
   *
   * @see com.slytechs.capture.file.AbstractRecord#getRecordHeaderLength()
   */
  @Override
  public int getRecordHeaderLength() {
    return SnoopPacketRecord.HEADER_LENGTH;
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.capture.file.Record#getRecordType()
   */
  public RecordType getRecordType() {
    return RecordType.PacketRecord;
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.packet.Packet#getTimestamp()
   */
  public Timestamp getTimestamp() throws IOException {
    final long seconds = getTimestampSeconds();
    final long nanos = getTimestampNanos();
    final long millis = seconds * 1000 + nanos / 1000;

    return new Timestamp(millis);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.packet.Packet#getTimestampNanos()
   */
  public long getTimestampNanos() throws IOException {
    return 1000L * (Long) SnoopPacketHeader.Microseconds.read(
        getRecordByteBuffer(), offset);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.packet.Packet#getTimestampSeconds()
   */
  public long getTimestampSeconds() throws IOException {
    return (Long) SnoopPacketHeader.Seconds.read(getRecordByteBuffer(), offset);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.capture.CapturePacket#setCaptureDevice(org.jnetstream.capture.CaptureDevice)
   */
  public void setCaptureDevice(CaptureDevice device) {
    // TODO Auto-generated method stub
    throw new UnsupportedOperationException("Not implemented yet");
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.capture.CapturePacket#setIncludedLength(int)
   */
  public void setIncludedLength(int length) throws IOException {
    SnoopPacketHeader.IncludedLength.write(getEditBuffer(), offset,
        (long) length);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.capture.CapturePacket#setOriginalLength(int)
   */
  public void setOriginalLength(int length) throws IOException {
    SnoopPacketHeader.OriginalLength.write(getEditBuffer(), offset,
        (long) length);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.packet.Packet#setTimestamp(long, int)
   */
  public void setTimestamp(long seconds, int nanos)
      throws IllegalArgumentException, IOException {

    if (nanos < 0 || nanos > 999999999) {
      throw new IllegalArgumentException(
          "Nanos value out of range for timestamp fraction. "
              + "Valid values are 0 to 999,999,999");
    }

    final long micros = nanos / 1000;

    SnoopPacketHeader.Seconds.write(getEditBuffer(), offset, micros);
    SnoopPacketHeader.Microseconds.write(getEditBuffer(), offset, micros);

  }

  /*
   * (non-Javadoc)
   *
   * @see org.jnetstream.packet.Packet#setTimestamp(java.sql.Timestamp)
   */
  public void setTimestamp(Timestamp time) throws IOException {
    final long millis = time.getTime();
    final int nanos = time.getNanos();

    final long seconds = millis / 1000;

    setTimestamp(seconds, nanos);
  }

}
TOP

Related Classes of com.slytechs.file.snoop.SnoopPacketImpl

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.