private async Task RequestPortProperties(PortInfo port)
{
lock (lockObject)
{
SentMessages += 2;
}
await _protocol.SendMessageAsync(new PortInformationRequestMessage()
{
HubId = _hubId, PortId = port.PortId, InformationType = PortInformationType.ModeInfo,
});
await _protocol.SendMessageAsync(new PortInformationRequestMessage()
{
HubId = _hubId, PortId = port.PortId, InformationType = PortInformationType.PossibleModeCombinations,
});
}
public static async Task <TResultMessage> SendMessageReceiveResultAsync <TResultMessage>(this ILegoWirelessProtocol self, LegoWirelessMessage message, Func <TResultMessage, bool> filter = default)
{
var awaitable = self.UpstreamMessages
.OfType <TResultMessage>()
.Where(resultMessage => filter is null || filter(resultMessage))
.FirstAsync()
.GetAwaiter(); // make sure the subscription is present at the moment the message is sent.
await self.SendMessageAsync(message);
var result = await awaitable;
return(result);
}