public static void PacketReceived(PacketInfo packetInfo, ref byte[] data /*, ref ServerCommand serverResponse*/)
{
Packet.Directions direction;
int ID;
TotalSize += packetInfo.Size;
switch (packetInfo.FunctionID)
{
case Functions.CODE_RECV:
case Functions.CODE_RECVFROM:
case Functions.CODE_WS2RECV:
case Functions.CODE_WS2RECVFROM:
case Functions.CODE_WSARECV:
case Functions.CODE_WSARECVFROM:
case Functions.CODE_PR_RECV:
case Functions.CODE_PR_READ:
case Functions.CODE_SSLDECRYPTPACKET:
case Functions.CODE_DECRYPTMESSAGE:
case Functions.CODE_SSL_READ:
direction = Packet.Directions.In;
TotalSizeReceived += packetInfo.Size;
break;
case Functions.CODE_SEND:
case Functions.CODE_SENDTO:
case Functions.CODE_WS2SEND:
case Functions.CODE_WS2SENDTO:
case Functions.CODE_WSASEND:
case Functions.CODE_WSASENDTO:
case Functions.CODE_PR_SEND:
case Functions.CODE_PR_WRITE:
case Functions.CODE_SSLENCRYPTPACKET:
case Functions.CODE_ENCRYPTMESSAGE:
case Functions.CODE_SSL_WRITE:
direction = Packet.Directions.Out;
TotalSizeSent += packetInfo.Size;
break;
default:
throw new IndexOutOfRangeException();
}
var functionFlag = FilterManager.GetFilterActionFlagForFunction(packetInfo.FunctionID);
// If a matching breakpoint type filter is active, we open a new window to edit the data
if (IsFilteringActived && FilterManager.CheckPacketBreak(data, packetInfo.Size, functionFlag))
{
var pckt = new Packet(packetInfo.FunctionID, packetInfo.SocketId, packetInfo.LocalIp, packetInfo.LocalPort, packetInfo.RemoteIp, packetInfo.RemotePort, data, direction);
var showPacketForm = new ShowPacketForm(0, pckt, true);
showPacketForm.ShowDialog();
if (showPacketForm.DialogResult == System.Windows.Forms.DialogResult.OK)
{
data = showPacketForm.NewPacketData;
packetInfo.Size = showPacketForm.NewPacketSize;
}
// Send the new data to the DLL
DllCommunication.WriteCommandToCmdMMF(ServerCodes.SCODE_SETPACKET, data, packetInfo.Size);
}
if (!IsCaptureEnabled) // Capture disabled, return
{
return;
}
// Don't log Functions, Ips, or Ports that are not activated in the program's settings menu
if (!LogFunctions.HasFlag(FilterManager.GetFilterActionFlagForFunction(packetInfo.FunctionID)))
{
return;
}
if ((Settings.LocalIpChecked && packetInfo.LocalIp != (uint)Settings.LocalIp) ||
(Settings.LocalPortChecked && packetInfo.LocalPort != Settings.LocalPort) ||
(Settings.RemoteIpChecked && packetInfo.RemoteIp != (uint)Settings.RemoteIp) ||
(Settings.RemotePortChecked && packetInfo.RemotePort != Settings.RemotePort))
{
return;
}
IsModifiedList = true;
var packet = new Packet(packetInfo.FunctionID, packetInfo.SocketId, packetInfo.LocalIp, packetInfo.LocalPort, packetInfo.RemoteIp, packetInfo.RemotePort, data, direction);
lock (LockingVar)
{
ID = PacketList.Count;
PacketList.Add(packet);
Program.mainForm.AddPacket(packet);
}
if (IsFilteringActived && FilterManager.CheckPacketWatch(data, packetInfo.Size, functionFlag))
{
Watch.Add(ID);
}
// Don't log ignored packets
if (IsFilteringActived && FilterManager.CheckPacketIgnore(data, packetInfo.Size, functionFlag))
{
return;
}
Both.Add(ID);
switch (direction)
{
case Packet.Directions.In:
Received.Add(ID);
break;
case Packet.Directions.Out:
Sent.Add(ID);
break;
}
SmartRefresh();
}
public static void StartPacketReaderMMF()
{
int nodeBufferSize = sizeof(byte) * _pktMmfBufferSize;
SharedMemory.CircularBuffer packetMMF;
if (!CheckMMFileExists(_pktMmfName))
{
packetMMF = new SharedMemory.CircularBuffer(_pktMmfName, _pktMmfNodeCount, nodeBufferSize);
}
else
{
packetMMF = new SharedMemory.CircularBuffer(_pktMmfName);
}
byte[] writtenData = new byte[_pktMmfBufferSize];
//int threadCount = 0;
Action reader = () =>
{
//int myThreadIndex = Interlocked.Increment(ref threadCount);
//Output.outMsgBox("Started thread {0}: ", threadCount);
for (; ;)
{
//var t1 = Environment.TickCount; Debug.WriteLine("packetMMF.Read(writtenData) {0}", ID);
//var t2 = Environment.TickCount; if (t2-t1 > 0) Debug.WriteLine("ANTES de packetMMF.Read {0} - diff: {1}", ID, t2-t1);
//The number of milliseconds to wait, or Timeout.Infinite (-1) to wait indefinitely.
int amount = packetMMF.Read(writtenData, 0, -1);
//var t3 = Environment.TickCount; if (t3 - t2 > 0) Debug.WriteLine("DESPUES de server.Read {0} - diff: {1}", ID, t3 - t2);
if (amount == 0)
{
throw new Exception("Read 0 bytes from queue!");
}
Output.outString("Read data: {0}", BitConverter.ToString(writtenData));
// PacketInfo HEADER
var packetInfo = new PacketInfo();
var piSize = Marshal.SizeOf(packetInfo);
var piData = new byte[piSize];
// Reads the piSize bytes corresponding to the packetInfo
Buffer.BlockCopy(writtenData, 0, piData, 0, piSize);
// Converts the bytes to a packetInfo
IntPtr ptr = Marshal.AllocHGlobal(piSize);
Marshal.Copy(piData, 0, ptr, piSize);
packetInfo = (PacketInfo)Marshal.PtrToStructure(ptr, packetInfo.GetType());
var cSize = packetInfo.Size;
var cData = new byte[cSize];
// Packet size can not be bigger than buffer size
Debug.Assert(cSize < _pktMmfBufferSize);
Buffer.BlockCopy(writtenData, piSize, cData, 0, cSize);
PacketManager.PacketReceived(packetInfo, ref cData);
//var t4 = Environment.TickCount; if (t4- t3 > 0) Debug.WriteLine("DESPUES de PacketManager.PacketReceived {0} - diff: {1}", ID, t4 - t3);
}
};
// Start reader thread
ThreadPool.QueueUserWorkItem(o => { reader(); });
}