internal unsafe static RIO Initalize(IntPtr socket)
{
uint dwBytes = 0;
RIO_EXTENSION_FUNCTION_TABLE rio = new RIO_EXTENSION_FUNCTION_TABLE();
Guid RioFunctionsTableId = new Guid("8509e081-96dd-4005-b165-9e2ee8c79e3f");
int True = -1;
var result = setsockopt(socket, IPPROTO_TCP, TCP_NODELAY, (char *)&True, 4);
if (result != 0)
{
var error = WinSock.WSAGetLastError();
WinSock.WSACleanup();
throw new Exception(String.Format("ERROR: setsockopt TCP_NODELAY returned {0}", error));
}
result = WSAIoctlGeneral(socket, SIO_LOOPBACK_FAST_PATH,
&True, 4, null, 0,
out dwBytes, IntPtr.Zero, IntPtr.Zero);
if (result != 0)
{
var error = WinSock.WSAGetLastError();
WinSock.WSACleanup();
throw new Exception(String.Format("ERROR: WSAIoctl SIO_LOOPBACK_FAST_PATH returned {0}", error));
}
result = WSAIoctl(socket, SIO_GET_MULTIPLE_EXTENSION_FUNCTION_POINTER,
ref RioFunctionsTableId, 16, ref rio,
sizeof(RIO_EXTENSION_FUNCTION_TABLE),
out dwBytes, IntPtr.Zero, IntPtr.Zero);
if (result != 0)
{
var error = WinSock.WSAGetLastError();
WinSock.WSACleanup();
throw new Exception(String.Format("ERROR: RIOInitalize returned {0}", error));
}
else
{
RIO rioFunctions = new RIO
{
RegisterBuffer = Marshal.GetDelegateForFunctionPointer <RIORegisterBuffer>(rio.RIORegisterBuffer),
CreateCompletionQueue = Marshal.GetDelegateForFunctionPointer <RIOCreateCompletionQueue>(rio.RIOCreateCompletionQueue),
CreateRequestQueue = Marshal.GetDelegateForFunctionPointer <RIOCreateRequestQueue>(rio.RIOCreateRequestQueue),
Notify = Marshal.GetDelegateForFunctionPointer <RIONotify>(rio.RIONotify),
DequeueCompletion = Marshal.GetDelegateForFunctionPointer <RIODequeueCompletion>(rio.RIODequeueCompletion),
Receive = Marshal.GetDelegateForFunctionPointer <RIOReceive>(rio.RIOReceive),
Send = Marshal.GetDelegateForFunctionPointer <RIOSend>(rio.RIOSend),
CloseCompletionQueue = Marshal.GetDelegateForFunctionPointer <RIOCloseCompletionQueue>(rio.RIOCloseCompletionQueue),
DeregisterBuffer = Marshal.GetDelegateForFunctionPointer <RIODeregisterBuffer>(rio.RIODeregisterBuffer),
ResizeCompletionQueue = Marshal.GetDelegateForFunctionPointer <RIOResizeCompletionQueue>(rio.RIOResizeCompletionQueue),
ResizeRequestQueue = Marshal.GetDelegateForFunctionPointer <RIOResizeRequestQueue>(rio.RIOResizeRequestQueue)
};
return(rioFunctions);
}
}
public virtual void Dispose()
{
RioStatic.DeregisterBuffer(_sendBufferId);
RioStatic.DeregisterBuffer(_reciveBufferId);
Kernel32.CloseHandle(SendCompletionPort);
Kernel32.CloseHandle(ReceiveCompletionPort);
RioStatic.CloseCompletionQueue(SendCompletionQueue);
RioStatic.CloseCompletionQueue(ReceiveCompletionQueue);
WinSock.WSACleanup();
SendBufferPool.Dispose();
ReceiveBufferPool.Dispose();
}
