public bool HandleSocketEvents(int numEvents)
{
bool enqueuedEvent = false;
foreach (var socketEvent in new ReadOnlySpan <Interop.Sys.SocketEvent>(Buffer, numEvents))
{
if (_handleToContextMap.TryGetValue(socketEvent.Data, out SocketAsyncContextWrapper contextWrapper))
{
SocketAsyncContext context = contextWrapper.Context;
if (context.PreferInlineCompletions)
{
context.HandleEventsInline(socketEvent.Events);
}
else
{
Interop.Sys.SocketEvents events = context.HandleSyncEventsSpeculatively(socketEvent.Events);
if (events != Interop.Sys.SocketEvents.None)
{
_eventQueue.Enqueue(new SocketIOEvent(context, events));
enqueuedEvent = true;
}
}
}
}
return(enqueuedEvent);
}
private bool TryRegister(SafeCloseSocket socket, Interop.Sys.SocketEvents current, Interop.Sys.SocketEvents events, IntPtr handle, out Interop.Error error)
{
if (current == events)
{
error = Interop.Error.SUCCESS;
return(true);
}
error = Interop.Sys.TryChangeSocketEventRegistration(_port, socket, current, events, handle);
return(error == Interop.Error.SUCCESS);
}
public bool TryRegister(int fileDescriptor, Interop.Sys.SocketEvents current, Interop.Sys.SocketEvents events, GCHandle handle, out Interop.Error error)
{
if (current == events)
{
error = Interop.Error.SUCCESS;
return(true);
}
error = Interop.Sys.TryChangeSocketEventRegistration(_port, fileDescriptor, current, events, (IntPtr)handle);
return(error == Interop.Error.SUCCESS);
}
public bool TryRegister(SafeCloseSocket socket, Interop.Sys.SocketEvents current, Interop.Sys.SocketEvents events, GCHandle handle, out Interop.Error error)
{
if (current == events)
{
error = Interop.Error.SUCCESS;
return(true);
}
//
// @TODO: work out a better way to handle this. For now, just do the "dangerous" thing; this is called
// from SafeCloseSocket.ReleaseHandle, so it can't access the file descriptor in the normal way.
//
int fd = (int)socket.DangerousGetHandle();
error = Interop.Sys.DangerousTryChangeSocketEventRegistration(_port, fd, current, events, (IntPtr)handle);
return(error == Interop.Error.SUCCESS);
}
public SocketIOEvent(SocketAsyncContext context, Interop.Sys.SocketEvents events)
{
Context = context;
Events = events;
}
public bool TryRegister(SafeCloseSocket socket, Interop.Sys.SocketEvents current, Interop.Sys.SocketEvents events, out Interop.Error error)
{
Debug.Assert(WasAllocated, "Expected WasAllocated to be true");
return(_engine.TryRegister(socket, current, events, _handle, out error));
}
