/// <summary>
/// Log a new TCP packet.
/// </summary>
/// <param name="packet">
/// The packet to log.
/// </param>
public void LogPacket (TcpPacket packet)
{
lock (m_logger.XmlWriter)
{
// <TcpHeader>
m_logger.XmlWriter.WriteStartElement ("TcpHeader");
m_logger.XmlWriter.WriteElementString ("SourcePort", packet.SourcePort.ToString());
m_logger.XmlWriter.WriteElementString ("DestinationPort", packet.DestinationPort.ToString());
m_logger.XmlWriter.WriteElementString ("SequenceNumber", packet.SequenceNumber.ToString());
m_logger.XmlWriter.WriteElementString ("AcknowledgmentNumber",packet.AcknowledgmentNumber.ToString());
m_logger.XmlWriter.WriteElementString ("Window", packet.Window.ToString());
m_logger.XmlWriter.WriteElementString ("UrgentPointer", packet.UrgentPointer.ToString());
m_logger.XmlWriter.WriteElementString ("Checksum", packet.Checksum.ToString());
// <LengthFields>
m_logger.XmlWriter.WriteStartElement ("TcpLengthFields");
int dataLength = (packet.Data != null ? packet.Data.Length : 0);
int paddingLength = (packet.Padding != null ? packet.Padding.Length : 0);
m_logger.XmlWriter.WriteElementString ("TotalLength", (dataLength + paddingLength + 0x14) + " bytes"); // + optionsLength
m_logger.XmlWriter.WriteElementString ("HeaderLength", packet.Offset + " bytes");
//m_logger.XmlWriter.WriteElementString ("OptionsLength", optionsLength + " bytes");
m_logger.XmlWriter.WriteElementString ("PaddingLength", paddingLength + " bytes");
m_logger.XmlWriter.WriteElementString ("DataLength", dataLength + " bytes");
m_logger.XmlWriter.WriteEndElement ();
// </LengthFields>
// <Flags>
m_logger.XmlWriter.WriteStartElement ("Flags");
m_logger.XmlWriter.WriteElementString ("ACK", packet.IsFlagSet (TcpFlags.Acknowledgment).ToString());
m_logger.XmlWriter.WriteElementString ("FIN", packet.IsFlagSet (TcpFlags.Finish).ToString());
m_logger.XmlWriter.WriteElementString ("PSH", packet.IsFlagSet (TcpFlags.Push).ToString());
m_logger.XmlWriter.WriteElementString ("RST", packet.IsFlagSet (TcpFlags.Reset).ToString());
m_logger.XmlWriter.WriteElementString ("SYN", packet.IsFlagSet (TcpFlags.Synchronize).ToString());
m_logger.XmlWriter.WriteElementString ("URG", packet.IsFlagSet (TcpFlags.Urgent).ToString());
m_logger.XmlWriter.WriteEndElement ();
// </Flags>
if (packet.Options != null)
{
// <Options>
m_logger.XmlWriter.WriteStartElement ("TcpOptions");
foreach (TcpOption option in packet.Options)
{
// <Option>
m_logger.XmlWriter.WriteStartElement ("Option");
m_logger.XmlWriter.WriteElementString ("Type", option.OptionType.ToString());
m_logger.XmlWriter.WriteElementString ("Length",option.Length + " bytes");
#region Specific Options
switch (option.OptionType)
{
case TcpOptionNumber.EndOfOptions:
break;
case TcpOptionNumber.MaximumSegmentSize:
TcpMaxSegmentSizeOption option1 = new TcpMaxSegmentSizeOption (option);
m_logger.XmlWriter.WriteElementString ("MaximumSegmentSize", option1.MaxSegmentSize.ToString());
break;
case TcpOptionNumber.NoOperation:
break;
}
#endregion
m_logger.XmlWriter.WriteEndElement ();
// </Option>
}
m_logger.XmlWriter.WriteEndElement ();
// </Options>
}
m_logger.XmlWriter.WriteEndElement ();
// </TcpHeader>
}
}