public void Initialize(ChannelConnectionOptions channelOptions)
{
_hostDevice = DeviceFactory.CreateHostDevice("lightbulb", "Colorful lightbulb");
#region General node
_hostDevice.UpdateNodeInfo("general", "General information and properties", "no-type");
// I think properties are pretty much self-explanatory in this producer.
_color = _hostDevice.CreateHostColorProperty(PropertyType.Parameter, "general", "color", "Color", ColorFormat.Rgb);
_color.PropertyChanged += (sender, e) => {
_log.Info($"Color changed to {_color.Value.ToRgbString()}");
};
_onOffSwitch = _hostDevice.CreateHostChoiceProperty(PropertyType.Parameter, "general", "is-on", "Is on", new[] { "OFF", "ON" }, "OFF");
_onOffSwitch.PropertyChanged += (sender, e) => {
// Simulating some lamp behaviour.
if (_onOffSwitch.Value == "ON")
{
_intensity.Value = 50;
}
else
{
_intensity.Value = 0;
}
};
_intensity = _hostDevice.CreateHostNumberProperty(PropertyType.Parameter, "general", "intensity", "Intensity", 0, "%");
#endregion
_broker.Initialize(channelOptions);
_hostDevice.Initialize(_broker);
}
public void Initialize(ChannelConnectionOptions channelOptions)
{
_hostDevice = DeviceFactory.CreateHostDevice("air-conditioner", "Air conditioning unit");
#region General node
_hostDevice.UpdateNodeInfo("general", "General information and properties", "no-type");
// Temperatures. These are pretty self-explanatory, right?
_actualAirTemperature = _hostDevice.CreateHostNumberProperty(PropertyType.State, "general", "actual-air-temperature", "Actual measured air temperature", 18, "°C");
_targetAirTemperature = _hostDevice.CreateHostNumberProperty(PropertyType.Parameter, "general", "target-air-temperature", "Target air temperature", 23, "°C");
// Besides obvious ON and OFF states, there's a transient STARTING state. This simulated the non-instant startup of the device.
_actualState = _hostDevice.CreateHostChoiceProperty(PropertyType.State, "general", "actual-state", "Actual power state", new[] { "ON", "OFF", "STARTING" }, "OFF");
// Creating a switch. It also simulates startup sequence ON -> STARTING -> OFF. Shutdown sequence is instant ON -> OFF.
_onOffSwitch = _hostDevice.CreateHostChoiceProperty(PropertyType.Command, "general", "turn-on-off", "Turn device on or off", new[] { "ON", "OFF" });
_onOffSwitch.PropertyChanged += (sender, e) => {
if ((_actualState.Value == "ON") && (_onOffSwitch.Value == "OFF"))
{
// This is the shutdown sequence.
_actualState.Value = "OFF";
}
if ((_actualState.Value == "OFF") && (_onOffSwitch.Value == "ON"))
{
// This is the startup sequence.
_actualState.Value = "STARTING";
Task.Run(async() => {
await Task.Delay(3000);
_actualState.Value = "ON";
});
}
_log.Info($"Actual state changed to: {_actualState.Value}");
};
#endregion
#region Ventilation node
_hostDevice.UpdateNodeInfo("ventilation", "Ventilation information and properties", "no-type");
// Allows user to set ventilation level (or power). This will actually be used in simulation loop.
_ventilationLevel = _hostDevice.CreateHostNumberProperty(PropertyType.Parameter, "ventilation", "level", "Level of ventilation", 50, "%");
#endregion
#region Service node
_hostDevice.UpdateNodeInfo("service", "Service related properties", "no-type");
// Previous and next service dates. These are read-only properties. They are changed by "perform service" command.
_previousServiceDate = _hostDevice.CreateHostDateTimeProperty(PropertyType.State, "service", "previous-service-date", "Date of the last service", DateTime.Now.AddMonths(3));
_nextServiceDate = _hostDevice.CreateHostDateTimeProperty(PropertyType.State, "service", "next-service-date", "Date for the next service", DateTime.Now);
// This is a write-only property, that is — a command. It sets last service date to actual datetime, and also sets next service date to some time in the future.
// Popular automation software have lots of problems with this kind of workflow, when there's a command that doesn't really have a state register.
// As of 2021-03-12, openHAB and HomeAssistant and HoDD can't really deal with it. Which is a bummer, as it a pretty common workflow in real life!
_performServiceCommand = _hostDevice.CreateHostChoiceProperty(PropertyType.Command, "service", "perform-service", "Perform service", new[] { "STOP", "START" });
_performServiceCommand.PropertyChanged += (sender, e) => {
if (_performServiceCommand.Value == "START")
{
_previousServiceDate.Value = _nextServiceDate.Value;
_nextServiceDate.Value = DateTime.Now.AddMinutes(1);
}
};
// Knowing system uptime is always useful.
_systemUptime = _hostDevice.CreateHostNumberProperty(PropertyType.State, "service", "system-uptime", "Uptime", 0, "h", 3);
#endregion
// This builds topic trees and subscribes to everything.
_broker.Initialize(channelOptions);
_hostDevice.Initialize(_broker);
// Finally, running the simulation loop. We're good to go!
Task.Run(async() => await RunSimulationLoopContinuously(new CancellationToken()));
}