public void SampleAcquired(IExperimentConnection document, DateTime sampleTime)
{
Logger.Info($"Sample acquired from {document.DocumentName} at {sampleTime.ToShortTimeString()}");
try
{
var chartConnection = document["Distributions"];
Logger.Info($"Chart type = {chartConnection.ChartType.ToString()}");
var chart = chartConnection as IDistributionChartConnection;
if (chart == null)
{
throw new ArgumentNullException(nameof(chart));
}
var sampleId = chart.LoadSample(sampleTime);
if (sampleId == Guid.Empty)
{
Logger.Warn($"Unable to load sample with {sampleTime}");
return;
}
Logger.Info($"Sample Id = {sampleId}");
Logger.Info("Got raw data:");
var rawXMidpoints = chart.GetRawXMidpoints(sampleId);
Logger.Info(rawXMidpoints == null ? "X=NULL" : $"Xmidpoint length = {rawXMidpoints.Length.ToString()}");
var rawYData = chart.GetRawYData(sampleId);
Logger.Info(rawYData == null ? "Y=NULL" : $" rawYData length = {rawYData.Length.ToString()}");
if (Convert.ToBoolean(_config["influxdbEnabled"]))
{
Logger.Info("Writing to InfluxDB");
var tags = new Dictionary <string, object>();
tags["experiment"] = document.DocumentName;
string lineProtocol = _config["influxdbMeasurementName"] + ",";
lineProtocol += $"experiment={document.DocumentName} ";
for (int i = 0; i < rawXMidpoints.Length; i++)
{
lineProtocol += $"{rawXMidpoints[i].ToString("0.0")}={rawYData[i].ToString("0.0")},";
}
lineProtocol = lineProtocol.TrimEnd(',');
var epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
lineProtocol += $" {(long) (sampleTime.ToUniversalTime() - epoch).TotalMilliseconds}";
var databaseName = _config["influxdbDatabaseName"];
var task = _client.PostAsync($"{_config["influxdbUri"]}/write?db={databaseName}&precision=ms",
new StringContent(lineProtocol));
task.Wait();
Logger.Info(
$"InfluxDB response: {task.Result.StatusCode}, message={task.Result.Content.ReadAsStringAsync().Result}");
}
if (Convert.ToBoolean(_config["mqttEnabled"]))
{
var counts = new List <double>();
for (int i = 0; i < rawYData.Length; i++)
{
counts.Add(rawYData[i]);
}
var countsJsonified = JsonConvert.SerializeObject(counts);
string payloadTopic = _config["mqttTopic"] + "/counts";
_mqttClient.Publish(payloadTopic, Encoding.ASCII.GetBytes(countsJsonified));
Logger.Info("Points written to MQTT");
if (!mqttSizeAxisTransmitted)
{
mqttSizeAxisTransmitted = true;
string sizeAxisTopic = _config["mqttTopic"] + "/sizes";
var sizes = new List <double>();
for (int i = 0; i < rawXMidpoints.Length; i++)
{
sizes.Add(rawXMidpoints[i]);
}
var sizesJsonified = JsonConvert.SerializeObject(sizes);
_mqttClient.Publish(sizeAxisTopic, Encoding.ASCII.GetBytes(sizesJsonified), 0, true);
Logger.Info("Sizes written to MQTT");
}
}
}
catch (Exception ex)
{
Logger.Error(ex);
}
}
public void WarningMessageChanged(IExperimentConnection document, string warningMessage)
{
Logger.Warn($"Warning from {document.DocumentName}: {warningMessage}");
}
public void ExperimentStatusChanged(IExperimentConnection document, ExperimentStatus previousStatus,
ExperimentStatus newStatus)
{
Logger.Info(
$"Experiment {document.DocumentName} status changed from {previousStatus.ToString()} to {newStatus.ToString()}");
}
public void ErrorMessageChanged(IExperimentConnection document, string errorMessage)
{
Logger.Warn($"Error from {document.DocumentName}: {errorMessage}");
}
