void AppendPacket(DateTime date, TcpPacketStack stack, ETcpEmisor emisor, TcpPacket tcp)
{
if (tcp.Fin || tcp.Rst)
{
Close();
}
_LastPacket = tcp;
byte[] payload = tcp.PayloadData;
if (payload == null)
{
return;
}
int l = payload.Length;
if (l <= 0)
{
return;
}
stack.SequenceNumber += (uint)l;
if (_Last == null)
{
_Last = new TcpStreamMessage(date, payload, emisor, null);
_InternalList.Add(_Last);
}
else
{
// Check if its the same
if (_Last.Emisor == emisor)
{
_Last.AddData(payload, 0, l);
}
else
{
// New Packet
_Last = new TcpStreamMessage(date, payload, emisor, _Last);
_InternalList.Add(_Last);
}
}
if (emisor == ETcpEmisor.Client)
{
_ClientLength += l;
}
else
{
_ServerLength += l;
}
}
public void Add(DateTime date, ETcpEmisor emisor, TcpPacket tcp)
{
uint sequenceNumber = tcp.SequenceNumber;
TcpPacketStack stack = null;
switch (emisor)
{
case ETcpEmisor.Client:
{
if (_ClientStack == null)
{
_ClientStack = new TcpPacketStack((uint)(sequenceNumber + tcp.PayloadData.Length + (tcp.Syn ? 1 : 0)));
AppendPacket(date, _ClientStack, emisor, tcp);
return;
}
stack = _ClientStack;
break;
}
case ETcpEmisor.Server:
{
if (_ServerStack == null)
{
_ServerStack = new TcpPacketStack((uint)(sequenceNumber + tcp.PayloadData.Length + (tcp.Syn && tcp.Ack ? 1 : 0)));
AppendPacket(date, _ServerStack, emisor, tcp);
return;
}
stack = _ServerStack;
break;
}
}
if (stack.SequenceNumber == sequenceNumber)
{
AppendPacket(date, stack, emisor, tcp);
}
else
{
stack.Append(sequenceNumber, tcp);
}
// Try process
while (stack.TryGetNextPacket(out tcp))
{
AppendPacket(date, stack, emisor, tcp);
}
}