private void OnPacketArrival(object sender, CaptureEventArgs e)
{
var tcp = (TcpPacket)Packet.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data).Extract(typeof(TcpPacket));
var ipv4 = (IPv4Packet)tcp.ParentPacket;
var sourceAddress = ipv4.SourceAddress.ToString();
var data = tcp.PayloadData;
if (sourceAddress == _serverIp)
{
if (IsZlibStartPacket(data))
{
_libFaolanCompression = new LibFaolanCompression();
}
if (_libFaolanCompression == null)
{
throw new Exception("_libFaolanCompression == null");
}
var decompressedData = _libFaolanCompression.Inflate(data);
if (decompressedData == null)
{
throw new Exception("decompressedData == null");
}
if (decompressedData.Length == 0)
{
return;
}
foreach (var cp in _serverWireProtocol.CreateMessages(decompressedData))
{
_capturedPackets.Add(new PacketWrapper(_packetCounter++, ipv4, tcp.SourcePort, tcp.DestinationPort,
(ConanPacket)cp));
}
}
else if (sourceAddress == _clientIp)
{
// Client sometimes sends the zlib start packet, but never actually uses compression (anymore)
if (IsZlibStartPacket(data))
{
Console.WriteLine("Client send zlib start packet");
return;
}
foreach (var cp in _clientWireProtocol.CreateMessages(data))
{
_capturedPackets.Add(new PacketWrapper(_packetCounter++, ipv4, tcp.SourcePort, tcp.DestinationPort,
(ConanPacket)cp));
}
}
else
{
throw new Exception("Weird stuff is happening");
}
}
private void OnPacketArrival(object sender, CaptureEventArgs e)
{
var tcp = (TcpPacket) Packet.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data).Extract(typeof (TcpPacket));
var ipv4 = (IPv4Packet) tcp.ParentPacket;
var sourceAddress = ipv4.SourceAddress.ToString();
var data = tcp.PayloadData;
if (sourceAddress == _serverIp)
{
if (IsZlibStartPacket(data))
_libFaolanCompression = new LibFaolanCompression();
if (_libFaolanCompression == null)
throw new Exception("_libFaolanCompression == null");
var decompressedData = _libFaolanCompression.Inflate(data);
if (decompressedData == null)
throw new Exception("decompressedData == null");
if (decompressedData.Length == 0)
return;
foreach (var cp in _serverWireProtocol.CreateMessages(decompressedData))
_capturedPackets.Add(new PacketWrapper(_packetCounter++, ipv4, tcp.SourcePort, tcp.DestinationPort,
(ConanPacket) cp));
}
else if (sourceAddress == _clientIp)
{
// Client sometimes sends the zlib start packet, but never actually uses compression (anymore)
if (IsZlibStartPacket(data))
{
Console.WriteLine("Client send zlib start packet");
return;
}
foreach (var cp in _clientWireProtocol.CreateMessages(data))
_capturedPackets.Add(new PacketWrapper(_packetCounter++, ipv4, tcp.SourcePort, tcp.DestinationPort,
(ConanPacket) cp));
}
else
throw new Exception("Weird stuff is happening");
}
