/// <summary>
/// Initiate the standard address selection procedure to get/create a slot for the given loc.
/// </summary>
public Slot RequestSlot(ILocState loc)
{
var slot = Slots.FindByLoc(loc);
if (slot != null)
{
// Slot already available
return(slot);
}
var address = loc.Entity.Address.Value;
log.Trace("Requesting slot for {0}", address);
var req = new LocoAddressRequest(address);
try
{
req.ExecuteAndWaitForResponse <SlotDataResponse>(
LocoBuffer,
x => (x.Address == address), RequestSlotTimeout);
}
catch (TimeoutException)
{
// No proper response
log.Trace("Timeout on slot request for {0}", address);
return(null);
}
var result = Slots.FindByAddress(address, false);
if (result == null)
{
log.Error("Requesting slot succeeded, but no slot found for {0}", address);
}
else
{
log.Trace("Requested slot for {0}, using slot {1}", address, result.SlotNumber);
}
return(result);
}