public static async Task Process()
{
// 找出裝置的清單
DevicesProcessor devicesProcessor = new DevicesProcessor(strIoTHubConnectionString, intMaxCountOfDevices, "");
List <DeviceEntity> devicesList = await devicesProcessor.GetDevices();
Console.WriteLine("All Devices Count:" + devicesList.Count.ToString());
// 過濾出離線的裝置資料
List <DeviceEntity> offlineDevices = devicesList
.Where(x => x.ConnectionState == "Disconnected" && x.State == "Enabled")
.ToList();
Console.WriteLine("Offline Devices Count:" + offlineDevices.Count.ToString());
// 取出離線的裝置客戶資料
for (int i = 0; i < offlineDevices.Count; i++)
{
string strDeviceId = offlineDevices[i].Id;
DateTime dtLastStateTime = offlineDevices[i].LastConnectionStateUpdatedTime;
Console.WriteLine($"Device [{offlineDevices[i].Id}] is offline, Last updated time :[{dtLastStateTime.ToString()}]");
/*
* 在這邊加入通知或是告警的機制，如透過SnedGrid寄發EMail通知
*/
}
}
public async Task GetDevices(string connectionString)
{
try
{
var devicesProcessor = new DevicesProcessor(connectionString, 1000, string.Empty);
var devices = await devicesProcessor.GetDevices();
Devices.Clear();
foreach (var device in devices)
{
Devices.Add(device.Id, device);
}
cmbHubDevices.DataSource = Devices.Keys.ToList();
}
catch (Exception ex)
{
throw new ArgumentException("Invalid IoTHub connection string. " + ex.Message);
}
}
public async Task Connect()
{
IsConnecting = true;
Disconnect();
try
{
_devicesProcessor = new DevicesProcessor(IoTHubConnectionString, 1000, string.Empty);
await Task.WhenAll(LoadSensorsDataAsync(), LoadIoTDevicesAsync());
IsConnected = true;
}
catch (Exception e)
{
MessageBox.Show(e.Message);
Disconnect();
}
finally
{
IsConnecting = false;
}
}
public SampleDataController()
{
this.devicesProcessor = new DevicesProcessor(CONNECTION_STRING, MAX_COUNT_OF_DEVICES, string.Empty);
}
