public unsafe RioThreadPool(RegisteredIO rio, IntPtr socket, CancellationToken token)
{
_socket = socket;
_rio = rio;
_token = token;
// Count non-HT cores only
var procCount = CpuInfo.PhysicalCoreCount;
// RSS only supports up to 16 cores
_maxThreads = procCount > 16 ? 16 : procCount;
_rioThreads = new RioThread[_maxThreads];
for (var i = 0; i < _rioThreads.Length; i++)
{
IntPtr completionPort = CreateIoCompletionPort(INVALID_HANDLE_VALUE, IntPtr.Zero, 0, 0);
if (completionPort == IntPtr.Zero)
{
var error = GetLastError();
RioImports.WSACleanup();
throw new Exception($"ERROR: CreateIoCompletionPort returned {error}");
}
var completionMethod = new NotificationCompletion
{
Type = NotificationCompletionType.IocpCompletion,
Iocp = new NotificationCompletionIocp
{
IocpHandle = completionPort,
QueueCorrelation = (ulong)i,
Overlapped = (NativeOverlapped *)(-1) // nativeOverlapped
}
};
IntPtr completionQueue = _rio.RioCreateCompletionQueue(RioTcpServer.MaxOutsandingCompletionsPerThread,
completionMethod);
if (completionQueue == IntPtr.Zero)
{
var error = RioImports.WSAGetLastError();
RioImports.WSACleanup();
throw new Exception($"ERROR: RioCreateCompletionQueue returned {error}");
}
var thread = new RioThread(i, _token, completionPort, completionQueue, rio);
_rioThreads[i] = thread;
}
for (var i = 0; i < _rioThreads.Length; i++)
{
var thread = _rioThreads[i];
thread.Start();
}
}
public unsafe RioThreadPool(RegisteredIO rio, IntPtr socket, CancellationToken token)
{
_socket = socket;
_rio = rio;
_token = token;
_maxThreads = Environment.ProcessorCount;
_rioThreads = new RioThread[_maxThreads];
for (var i = 0; i < _rioThreads.Length; i++)
{
IntPtr completionPort = CreateIoCompletionPort(INVALID_HANDLE_VALUE, IntPtr.Zero, 0, 0);
if (completionPort == IntPtr.Zero)
{
var error = GetLastError();
RioImports.WSACleanup();
throw new Exception(string.Format("ERROR: CreateIoCompletionPort returned {0}", error));
}
var completionMethod = new NotificationCompletion()
{
Type = NotificationCompletionType.IocpCompletion,
Iocp = new NotificationCompletionIocp()
{
IocpHandle = completionPort,
QueueCorrelation = (ulong)i,
Overlapped = (NativeOverlapped *)(-1)// nativeOverlapped
}
};
IntPtr completionQueue = _rio.RioCreateCompletionQueue(RioTcpServer.MaxOutsandingCompletionsPerThread, completionMethod);
if (completionQueue == IntPtr.Zero)
{
var error = RioImports.WSAGetLastError();
RioImports.WSACleanup();
throw new Exception(String.Format("ERROR: RioCreateCompletionQueue returned {0}", error));
}
var thread = new RioThread(i, _token, completionPort, completionQueue, rio);
_rioThreads[i] = thread;
}
for (var i = 0; i < _rioThreads.Length; i++)
{
var thread = _rioThreads[i];
thread.Start();
}
}
