internal static extern int WSAIoctl([In] IntPtr socket, [In] uint dwIoControlCode, [In] ref Guid lpvInBuffer, [In] uint cbInBuffer, [In, Out] ref RIO_EXTENSION_FUNCTION_TABLE lpvOutBuffer, [In] int cbOutBuffer, [Out] out uint lpcbBytesReturned, [In] IntPtr lpOverlapped, [In] IntPtr lpCompletionRoutine);
private static void Initialize()
{
var version = new Version(2, 2);
WSAData data;
var result = WSAStartup((short)version.Raw, out data);
if (result != 0 && CaptureInitializationWsaError())
{
return;
}
var tempSocket = WSASocket(AddressFamilies.AF_INET, SocketType.SOCK_STREAM, Protocol.IPPROTO_TCP, IntPtr.Zero, 0, SocketFlags.WSA_FLAG_REGISTERED_IO | SocketFlags.WSA_FLAG_OVERLAPPED);
if (CaptureInitializationWsaError())
{
return;
}
uint dwBytes;
var acceptExId = new Guid("B5367DF1-CBAC-11CF-95CA-00805F48A192");
var acceptExptr = IntPtr.Zero;
var acceptExIoctlResult = WSAIoctl2(tempSocket, Consts.SIO_GET_EXTENSION_FUNCTION_POINTER, ref acceptExId, 16, ref acceptExptr, IntPtr.Size, out dwBytes, IntPtr.Zero, IntPtr.Zero);
if (acceptExIoctlResult != 0 && CaptureInitializationWsaError())
{
return;
}
Extensions.AcceptEx = Marshal.GetDelegateForFunctionPointer <Extensions.AcceptExFunc>(acceptExptr);
var connectExId = new Guid("25A207B9-DDF3-4660-8EE9-76E58C74063E");
var connectExptr = IntPtr.Zero;
var connectExIoctlResult = WSAIoctl2(tempSocket, Consts.SIO_GET_EXTENSION_FUNCTION_POINTER, ref connectExId, 16, ref connectExptr, IntPtr.Size, out dwBytes, IntPtr.Zero, IntPtr.Zero);
if (connectExIoctlResult != 0 && CaptureInitializationWsaError())
{
return;
}
Extensions.ConnectEx = Marshal.GetDelegateForFunctionPointer <Extensions.ConnectExFunc>(connectExptr);
var disconnectExId = new Guid("7FDA2E11-8630-436F-A031-F536A6EEC157");
var disconnectExptr = IntPtr.Zero;
var disconnectIoctlResult = WSAIoctl2(tempSocket, Consts.SIO_GET_EXTENSION_FUNCTION_POINTER, ref disconnectExId, 16, ref disconnectExptr, IntPtr.Size, out dwBytes, IntPtr.Zero, IntPtr.Zero);
if (disconnectIoctlResult != 0 && CaptureInitializationWsaError())
{
return;
}
Extensions.DisconnectEx = Marshal.GetDelegateForFunctionPointer <Extensions.DisconnectExFunc>(disconnectExptr);
var rio = new RIO_EXTENSION_FUNCTION_TABLE();
var rioFunctionsTableId = new Guid("8509e081-96dd-4005-b165-9e2ee8c79e3f");
var rioIoctlResult = WSAIoctl(tempSocket, Consts.SIO_GET_MULTIPLE_EXTENSION_FUNCTION_POINTER, ref rioFunctionsTableId, 16, ref rio, sizeof(RIO_EXTENSION_FUNCTION_TABLE), out dwBytes, IntPtr.Zero, IntPtr.Zero);
if (rioIoctlResult != 0 && CaptureInitializationWsaError())
{
return;
}
Extensions.RegisterBuffer = Marshal.GetDelegateForFunctionPointer <Extensions.RIORegisterBufferFunc>(rio.RIORegisterBuffer);
Extensions.CreateCompletionQueue = Marshal.GetDelegateForFunctionPointer <Extensions.RIOCreateCompletionQueueFunc>(rio.RIOCreateCompletionQueue);
Extensions.CreateRequestQueue = Marshal.GetDelegateForFunctionPointer <Extensions.RIOCreateRequestQueueFunc>(rio.RIOCreateRequestQueue);
Extensions.Notify = Marshal.GetDelegateForFunctionPointer <Extensions.RIONotifyFunc>(rio.RIONotify);
Extensions.DequeueCompletion = Marshal.GetDelegateForFunctionPointer <Extensions.RIODequeueCompletionFunc>(rio.RIODequeueCompletion);
Extensions.Receive = Marshal.GetDelegateForFunctionPointer <Extensions.RIOReceiveFunc>(rio.RIOReceive);
Extensions.Send = Marshal.GetDelegateForFunctionPointer <Extensions.RIOSendFunc>(rio.RIOSend);
Extensions.CloseCompletionQueue = Marshal.GetDelegateForFunctionPointer <Extensions.RIOCloseCompletionQueueAction>(rio.RIOCloseCompletionQueue);
Extensions.DeregisterBuffer = Marshal.GetDelegateForFunctionPointer <Extensions.RIODeregisterBufferAction>(rio.RIODeregisterBuffer);
Extensions.ResizeCompletionQueue = Marshal.GetDelegateForFunctionPointer <Extensions.RIOResizeCompletionQueueFunc>(rio.RIOResizeCompletionQueue);
Extensions.ResizeRequestQueue = Marshal.GetDelegateForFunctionPointer <Extensions.RIOResizeRequestQueueFunc>(rio.RIOResizeRequestQueue);
closesocket(tempSocket);
CaptureInitializationWsaError();
}
