public TcpStreamPacket(PPacket ppacket)
{
_direction = TcpDirection.SourceToDestination;
//_connection = new TcpConnection(packet.Packet);
_connection = ppacket.GetTcpConnection();
_ppacket = ppacket;
_packet = ppacket.Packet;
}
//private static void PrintSortedTcpStreamPacket(IndexedTcpConnection tcpConnection, PPacket ppacket)
private static void PrintSortedTcpStreamPacket(PPacket ppacket)
{
TcpConnection tcpConnection = ppacket.GetTcpConnection();
if (_currentTcpConnection == null || tcpConnection.Index != _currentTcpConnection.Index)
{
Trace.WriteLine();
Trace.WriteLine("group packet time source dir destination protocol flags data seq next seq ack window urg data");
//_LastStreamNumber = tcpConnection.Index;
_currentTcpConnection = tcpConnection;
}
//TcpDirection direction = TcpDirection.SourceToDestination;
//string s = GetTcpStreamPacketString1(tcpConnection, ppacket, _currentTcpConnection.GetTcpDirection(tcpConnection), true);
string s = GetTcpStreamPacketString1(ppacket, _currentTcpConnection.GetTcpDirection(tcpConnection), true);
//string s2 = null;
//foreach (Pib.Pcap.Test.TcpPacketError error in streamPacket.Errors)
// s2 = s2.zAddValue(streamPacket.GetErrorMessage(error));
//if (s2 != null)
// s2 = " " + s2;
//Trace.WriteLine("{0,-162}{1}{2}", s, ppacket.GetTcpDescription(), s2);
Trace.WriteLine(s);
}
public TcpStreamPacket(PPacket ppacket)
{
_direction = TcpDirection.SourceToDestination;
//_connection = new TcpConnection(packet.Packet);
_connection = ppacket.GetTcpConnection();
_ppacket = ppacket;
_packet = ppacket.Packet;
}
//public static string GetTcpStreamPacketString1(IndexedTcpConnection tcpConnection, PPacket ppacket, TcpDirection direction, bool printData)
public static string GetTcpStreamPacketString1(PPacket ppacket, TcpDirection direction, bool printData)
{
IpV4Datagram ip = ppacket.Ipv4;
TcpDatagram tcp = ppacket.Tcp;
string saddr = null;
string daddr = null;
string mf = null;
string offset = null;
string id = null;
if (ip != null)
{
saddr = ip.Source.ToString();
daddr = ip.Destination.ToString();
if (tcp != null)
{
saddr += ":" + tcp.SourcePort.ToString();
daddr += ":" + tcp.DestinationPort.ToString();
}
//mf = ip.MoreFragment.ToString();
mf = (ip.Fragmentation.Options == IpV4FragmentationOptions.MoreFragments).ToString();
offset = ip.Fragmentation.Offset.zToHex();
id = ip.Identification.zToHex();
}
StringBuilder sb = new StringBuilder();
//direction
string dir = null;
//if (direction != null)
//{
if (direction == TcpDirection.SourceToDestination)
{
dir = "--> ";
}
else
{
dir = "<-- ";
string addr = saddr;
saddr = daddr;
daddr = addr;
}
//}
//sb.Append(string.Format("{0,5} {1,5} {2,10:0.000000} {3,-21} {4}{5,-21} {6,-7}", packet.gGroupNumber, packet.PacketNumber, packet.RelativeTime.TotalSeconds, saddr, dir, daddr, packet.ProtocolCode));
sb.Append(string.Format("{0,5} {1,5} {2,10:0.000000} {3,-21} {4}{5,-21} {6,-7}",
ppacket.GetTcpConnection().Index, ppacket.PacketNumber, ppacket.RelativeTime.TotalSeconds, saddr, dir, daddr, ppacket.IpProtocolCode));
string align = "";
if (tcp != null)
{
string next_seq;
if (tcp.PayloadLength > 0)
{
next_seq = "0x" + (tcp.SequenceNumber + (uint)tcp.PayloadLength).zToHex();
}
else if (tcp.IsSynchronize)
{
next_seq = "0x" + (tcp.SequenceNumber + 1).zToHex();
}
else
{
next_seq = " ";
}
string dataLength;
if (tcp.PayloadLength > 0)
{
dataLength = "0x" + ((ushort)tcp.PayloadLength).zToHex();
}
else
{
dataLength = " ";
}
string ack_seq;
if (tcp.AcknowledgmentNumber != 0)
{
ack_seq = "0x" + tcp.AcknowledgmentNumber.zToHex();
}
else
{
ack_seq = " ";
}
string urg_ptr = null;
if (tcp.UrgentPointer != 0)
{
urg_ptr = " 0x" + tcp.UrgentPointer.zToHex();
}
else
{
align += " ";
}
//TCPFlags(tcp)
//tcp.GetFlagsString()
sb.Append(string.Format(" {0,-20} {1} 0x{2} {3} {4} 0x{5}{6}", ppacket.GetTcpFlagsString(), dataLength, tcp.SequenceNumber.zToHex(), next_seq, ack_seq, tcp.Window.zToHex(), urg_ptr));
}
else
{
align += " ";
}
sb.Append(align + " ");
HttpDatagram http = tcp.Http;
if (http != null)
{
sb.Append("http ");
if (http.IsRequest)
{
sb.Append("request");
}
else if (http.IsResponse)
{
sb.Append("reply ");
}
else
{
sb.Append("???? ");
}
//sb.Append(http.Version.ToString());
}
else
{
sb.Append(" ");
}
if (printData && tcp != null && tcp.PayloadLength > 0)
{
//sb.Append(align + " ");
//byte[] data = tcp.Payload;
int i = 0;
//int maxDataChar = 100;
int maxDataChar = 50;
foreach (byte b in tcp.Payload)
{
if (++i > maxDataChar)
{
break;
}
sb.Append(" ");
sb.Append(b.zToHex());
}
sb.Append(" ");
i = 0;
foreach (byte b in tcp.Payload)
{
if (++i > maxDataChar)
{
break;
}
if (b >= 32 && b <= 126)
{
sb.Append((char)b);
}
else
{
sb.Append('.');
}
}
}
return(sb.ToString());
}
