public Socket(string filter)
{
this.filter = filter;
this.handle = IntPtr.Zero;
this.started = false;
this.readbuffer = Marshal.AllocHGlobal((int)buffersize); // clean these up
this.writebuffer = Marshal.AllocHGlobal((int)buffersize);
this.addr = default(WINDIVERT_ADDRESS);
this.onread = data => this.Write(data);
this.onerror = error => { };
this.handle = WinDivert.WinDivertOpen(this.filter, WINDIVERT_LAYER.WINDIVERT_LAYER_NETWORK, 0, 0);
if (handle == new IntPtr(-1))
{
var exception = new Win32Exception(Marshal.GetLastWin32Error());
throw exception;
}
this.started = true;
this.thread = new Thread(this.Runtime);
this.thread.Start();
}
internal static extern bool WinDivertSend([In] System.IntPtr handle,
[In] System.IntPtr pPacket,
[In] System.UInt32 packetLen,
[In] ref WINDIVERT_ADDRESS pAddr,
[Out] out System.UInt32 sendLen);
internal static extern bool WinDivertRecv([In] System.IntPtr handle,
[Out] System.IntPtr pPacket,
[In] System.UInt32 packetLen,
[Out] out WINDIVERT_ADDRESS pAddr,
[Out] out System.UInt32 recvLen);
