private void DetachRequestQueueFromUrlGroup()
{
Debug.Assert(_urlGroupId != 0, "DetachRequestQueueFromUrlGroup can't detach using Url group id 0.");
//
// Break the association between request queue and url group. After this, requests for registered urls
// will get 503s.
// Note that this method may be called multiple times (Stop() and then Abort()). This
// is fine since http.sys allows to set HttpServerBindingProperty multiple times for valid
// Url groups.
//
Interop.HttpApi.HTTP_BINDING_INFO info = new Interop.HttpApi.HTTP_BINDING_INFO();
info.Flags = Interop.HttpApi.HTTP_FLAGS.NONE;
info.RequestQueueHandle = IntPtr.Zero;
IntPtr infoptr = new IntPtr(&info);
uint statusCode = Interop.HttpApi.HttpSetUrlGroupProperty(_urlGroupId,
Interop.HttpApi.HTTP_SERVER_PROPERTY.HttpServerBindingProperty,
infoptr, (uint)Marshal.SizeOf(typeof(Interop.HttpApi.HTTP_BINDING_INFO)));
if (statusCode != Interop.HttpApi.ERROR_SUCCESS)
{
if (NetEventSource.IsEnabled) NetEventSource.Error(this, $"DetachRequestQueueFromUrlGroup {SR.Format(SR.net_listener_detach_error, statusCode)}");
}
}
private void AttachRequestQueueToUrlGroup()
{
//
// Set the association between request queue and url group. After this, requests for registered urls will
// get delivered to this request queue.
//
Interop.HttpApi.HTTP_BINDING_INFO info = new Interop.HttpApi.HTTP_BINDING_INFO();
info.Flags = Interop.HttpApi.HTTP_FLAGS.HTTP_PROPERTY_FLAG_PRESENT;
info.RequestQueueHandle = DangerousGetHandle();
IntPtr infoptr = new IntPtr(&info);
SetUrlGroupProperty(Interop.HttpApi.HTTP_SERVER_PROPERTY.HttpServerBindingProperty,
infoptr, (uint)Marshal.SizeOf(typeof(Interop.HttpApi.HTTP_BINDING_INFO)));
}
