private const string LED_CODE = "LED"; // LED equipment code
#endregion Fields
#region Methods
private static void HandleNotifications(IClientService service, Device device, CancellationToken token)
{
try
{
var timestamp = DateTime.UtcNow;
while (true)
{
// poll notification from the server
var notifications = service.PollNotifications(device.Id.Value, timestamp, token);
if (notifications == null)
continue;
// display information about received notification
foreach (var notification in notifications.Where(n =>
n.Name == "equipment" && n.GetParameter("equipment") == LED_CODE))
{
var message = "Device sent LED state change notification, new state: {0}";
Console.WriteLine(string.Format(message, notification.GetParameter("state")));
}
// update last received notification timestamp
timestamp = notifications.Max(n => n.Timestamp.Value);
}
}
catch (OperationCanceledException)
{
return;
}
}
