private static async Task GetInitialDesiredConfiguration(DeviceClient deviceClient)
{
var twin = await deviceClient.GetTwinAsync();
_twinDesiredProperties =
JsonConvert.DeserializeObject <DesiredDeviceTwinConfiguration>(
twin.Properties.Desired["deviceTwinConfig"].ToString());
}
private static async Task OnDesiredPropertyChange(TwinCollection desiredproperties, object usercontext)
{
if (desiredproperties.Contains("deviceTwinConfig"))
{
Message message;
var deviceTwinConfig =
JsonConvert.DeserializeObject <DesiredDeviceTwinConfiguration>(
desiredproperties["deviceTwinConfig"].ToString());
// ignore delay for now. Just want to see if it can be parsed.
int delay;
if (int.TryParse(deviceTwinConfig.MessageSendDelay, out delay))
{
lock (Locker)
{
_twinDesiredProperties = deviceTwinConfig;
_propertyChangeStatus = Status.Pending;
}
message = new Message(
Encoding.ASCII.GetBytes(
$"Device accepted messageSendDelay value: `{deviceTwinConfig.MessageSendDelay}`. Property change is pending call to 'acceptDesiredProperties'.")
);
message.Properties.Add(MessageProperty.Type.ToString("G"), Type.ConfigChage.ToString("G"));
message.Properties.Add(MessageProperty.Status.ToString("G"), Status.Pending.ToString("G"));
message.Properties.Add(MessageProperty.Severity.ToString("G"), Severity.Critical.ToString("G"));
}
else
{
_propertyChangeStatus = Status.Rejected;
($"Device Twin Property `messageSendDelay` is set to an illegal value: `{deviceTwinConfig.MessageSendDelay}`, " +
$"change status is 'rejected'. Sending Critical Notification.").LogMessage(ConsoleColor.Red);
message = new Message(
Encoding.ASCII.GetBytes(
$"Parameter messageSendDelay value: `{deviceTwinConfig.MessageSendDelay}`, could not be converted to an Int."));
message.Properties.Add(MessageProperty.Type.ToString("G"), Type.ConfigChage.ToString("G"));
message.Properties.Add(MessageProperty.Status.ToString("G"), Status.Rejected.ToString("G"));
message.Properties.Add(MessageProperty.Severity.ToString("G"), Severity.Critical.ToString("G"));
}
await _deviceClient.SendEventAsync(message);
}
}
