public WinTunPort(string adapterName, Func <WinTunTransitter, TPacketReceiver> packetReceiverFactory)
{
_pool = new WinTunMemoryPool(1000, 2000);
_deviceGuid = GetGuidForName(adapterName);
_fileHandle = CreateFile($"{UsermodeDeviceSpace}{_deviceGuid}.tap", FileAccess.ReadWrite, FileShare.ReadWrite, 0, FileMode.Open, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, IntPtr.Zero);
SetMediaStatus(_fileHandle);
SetTapIOCtl(_fileHandle);
_fileStream = new FileStream(_fileHandle, FileAccess.ReadWrite, 2000, isAsync: true);
_transmitter = new WinTunTransitter(_fileStream, _pool);
_packetReceiver = packetReceiverFactory(_transmitter);
var ignore = ReadLoop();
}
internal WinTunTransitter(FileStream fileStream, WinTunMemoryPool pool)
{
_fileStream = fileStream;
_pool = pool;
}
public WinTunOwnedMemory(WinTunMemoryPool memoryPool, IntPtr memoryPtr, int startIndex, int length)
{
_pool = memoryPool;
_memoryPtr = (byte *)memoryPtr.ToPointer() + startIndex;
_length = length;
}