public static async Task <ThingSpeakData> ReadThingspeak()
{
var client = new ThingSpeakClient(sslRequired: b_requiredSSL);
ThingSpeakData feeds = await client.ReadAllFeedsAsync(s_readAPIKey, i_channelID);
return(feeds);
}
public override async Task StartAsync()
{
if (string.IsNullOrWhiteSpace(ApiKey))
{
await Log.ReportWarningFormatAsync(CancellationToken, "Could not start {0}, missing API key ", Name);
return;
}
ThingSpeakClient = new ThingSpeakClient(ApiKey);
NotifyEntityChangeContext.ChangeNotifications <DeviceValue> .OnEntityUpdated += ChangeNotificationsOnOnEntityUpdated;
await Log.ReportInfoFormatAsync(CancellationToken, "{0} started", Name);
}
void ReadAndSendMeasurements(IFileSystem fileSystem, IConfiguration config)
{
try
{
logger_.Info("Starting another measurement");
var conn_sensors_enumerable = new ConnectedDS18B20Enumerable(fileSystem);
List <SensorDS18B20> connected_sensors = conn_sensors_enumerable.ToList();
var measurements = new List <Measurement>();
foreach (var sensor in connected_sensors)
{
List <Measurement> sensor_measurements = sensor.ReadMeasurements();
measurements.AddRange(sensor_measurements);
foreach (var measurement in sensor_measurements)
{
logger_.Info(String.Format("Retrieved measurement from sensor ID {0}: temperature {1} °C", sensor.LinuxFolderName, measurement.Value));
}
}
logger_.Info("Measurements are ready to be sent");
try
{
ThingSpeakFeed feed = ConverterMeasurement2ThingSpeakFeed.Convert(measurements, config);
var thingspeak_conn = new ThingSpeakClient(sslRequired: true);
thingspeak_conn.UpdateFeedAsync(config.APIKey, feed).Wait();
logger_.Info("Measurement is finished");
}
catch (System.Net.WebException ex)
{
logger_.Error("Failed to send measurements to server: " + ex.ToString());
}
}
catch (OneWireModuleNotLoadedException e)
{
logger_.Error("1-Wire module is not loaded. Unfortunately, author of this app is lazy and did not implement feature to load required modules.");
throw;
}
catch (Exception e)
{
logger_.Error("Reading measurement failed, caught exception: " + e.ToString());
//throw; //TODO really we should let app die since we may have memory or stack corruption or other horrible things going
// But since it's complicated to restart the app without systemd, that line is commented for now.
// It will be uncommented when systemd service is implememted
}
}
static void Main(string[] args)
{
var thingSpeakConnection = new ThingSpeakClient(sslRequired: true);
Int32 channelId = 108891;
List <DateTime> last_30days = GenerateLast30DaysList();
// Unfortunately, ThingSpeak limits amount of data in one request to 8000, so we can't get all data in one huge request,
// so we have to get data for each day in separate request (however, they can be parallelized)
//TODO: parallelize calculation for different days
for (var dt = last_30days.First(); dt < last_30days.Last(); dt = dt.AddDays(1))
{
// Step 1: retrieve data
// TODO include other fields when data are available for them
ThingSpeakData allDataForDay = thingSpeakConnection.ReadFieldsAsync(
String.Empty, channelId, fieldId: 1, start_date: dt, end_date: dt.AddDays(1)).Result;
var dataForDay = allDataForDay.Feeds;
Console.WriteLine("Retrieved {0} feeds for day {1}.", dataForDay.Count(), dt.ToString());
Double workingTimeInPercents = 0.0;
if (dataForDay.Count() >= 5)
{
// We have enough data to calculate interval
// Step 2: find average interval between measurements
TimeSpan interval = GetManualIntervalForDay(dt);
Console.WriteLine("Found interval for day {0}, it is {1} minutes", dt.ToString(), interval.TotalMinutes);
Double intervalInSeconds = interval.TotalSeconds;
workingTimeInPercents = (dataForDay.Count() * intervalInSeconds / TimeSpan.FromDays(1).TotalSeconds) * 100.0;
}
Int32 roundedWorkingTimeInPercents = (Int32)Math.Round(workingTimeInPercents);
Console.WriteLine("Working time percentage for day {0} is {1} %", dt.ToString(), roundedWorkingTimeInPercents);
}
Console.WriteLine("================================ Application finished. Press any key to exit =============================");
Console.ReadKey(true);
}
private void ChangeNotificationsOnOnEntityUpdated(object sender, NotifyEntityChangeContext.ChangeNotifications <DeviceValue> .EntityUpdatedArgs entityUpdatedArgs)
{
var bw = new BackgroundWorker();
bw.DoWork += async(s, a) =>
{
try
{
await Log.ReportInfoFormatAsync(CancellationToken, "{0} working!", Name);
using (var context = new ZvsContext(EntityContextConnection))
{
var dv = await context.DeviceValues
.FirstOrDefaultAsync(v => v.Id == entityUpdatedArgs.NewEntity.Id, CancellationToken);
await Log.ReportInfoFormatAsync(CancellationToken, "DeviceValueId : {1}, new:{2}, old:{3}, dv.Value:{4}", (dv != null && dv.Value != null), entityUpdatedArgs.NewEntity.Id, entityUpdatedArgs.NewEntity.Value, entityUpdatedArgs.OldEntity.Value);
if (dv == null || dv.Value == null)
{
return;
}
var name = dv.Device.Name;
await Log.ReportInfoFormatAsync(CancellationToken, "[{0}] value name: [{1}], Value: [{2}]", Name, name, dv.Value);
if (name == Field1)
{
await Log.ReportInfoFormatAsync(CancellationToken, "Sending {0} to ThingSpeak as Field1, Value={1}", name, dv.Value);
short response;
var success = ThingSpeakClient.SendDataToThingSpeak(out response, dv.Value);
await Log.ReportInfoFormatAsync(CancellationToken, "ThingSpeak results ({0}): success:{1}, response:{2}", name, success, response);
}
if (name == Field2)
{
await Log.ReportInfoFormatAsync(CancellationToken, "Sending {0} to ThingSpeak as Field2, Value={1}", name, dv.Value);
short response;
var success = ThingSpeakClient.SendDataToThingSpeak(out response, null, dv.Value);
await Log.ReportInfoFormatAsync(CancellationToken, "ThingSpeak results ({0}): success:{1}, response:{2}", name, success, response);
}
if (name == Field3)
{
await Log.ReportInfoFormatAsync(CancellationToken, "Sending {0} to ThingSpeak as Field3, Value={1}", name, dv.Value);
short response;
var success = ThingSpeakClient.SendDataToThingSpeak(out response, null, null, dv.Value);
await Log.ReportInfoFormatAsync(CancellationToken, "ThingSpeak results ({0}): success:{1}, response:{2}", name, success, response);
}
if (name == Field4)
{
await Log.ReportInfoFormatAsync(CancellationToken, "Sending {0} to ThingSpeak as Field4, Value={1}", name, dv.Value);
short response;
var success = ThingSpeakClient.SendDataToThingSpeak(out response, null, null, null, dv.Value);
await Log.ReportInfoFormatAsync(CancellationToken, "ThingSpeak results ({0}): success:{1}, response:{2}", name, success, response);
}
if (name == Field5)
{
await Log.ReportInfoFormatAsync(CancellationToken, "Sending {0} to ThingSpeak as Field5, Value={1}", name, dv.Value);
short response;
var success = ThingSpeakClient.SendDataToThingSpeak(out response, null, null, null, null, dv.Value);
await Log.ReportInfoFormatAsync(CancellationToken, "ThingSpeak results ({0}): success:{1}, response:{2}", name, success, response);
}
if (name == Field6)
{
await Log.ReportInfoFormatAsync(CancellationToken, "Sending {0} to ThingSpeak as Field6, Value={1}", name, dv.Value);
short response;
var success = ThingSpeakClient.SendDataToThingSpeak(out response, null, null, null, null, null, dv.Value);
await Log.ReportInfoFormatAsync(CancellationToken, "ThingSpeak results ({0}): success:{1}, response:{2}", name, success, response);
}
if (name == Field7)
{
await Log.ReportInfoFormatAsync(CancellationToken, "Sending {0} to ThingSpeak as Field7, Value={1}", name, dv.Value);
short response;
var success = ThingSpeakClient.SendDataToThingSpeak(out response, null, null, null, null, null, null, dv.Value);
await Log.ReportInfoFormatAsync(CancellationToken, "ThingSpeak results ({0}): success:{1}, response:{2}", name, success, response);
}
if (name == Field8)
{
await Log.ReportInfoFormatAsync(CancellationToken, "Sending {0} to ThingSpeak as Field8, Value={1}", name, dv.Value);
short response;
var success = ThingSpeakClient.SendDataToThingSpeak(out response, null, null, null, null, null, null, null, dv.Value);
await Log.ReportInfoFormatAsync(CancellationToken, "ThingSpeak results ({0}): success:{1}, response:{2}", name, success, response);
}
}
}
catch (Exception e)
{
Log.ReportErrorAsync(e.Message, CancellationToken).Wait();
}
};
bw.RunWorkerAsync();
}