public void AddData(string sensorName, List <string> header, SensorValues newRecord)
{
prepareFs();
var sensorInfo = this.getSensorInfo(sensorName);
string str_values_line = valuesToString(newRecord);
string[] arr_values = { str_values_line };
int valuesLength = str_values_line.Length;
if (sensorInfo.ReadIndex == 0)
{
// sensorInfo.CsvHeader = header;
string str_header = headerToString(header);
string[] arr_header = { str_header };
int headerLength = str_header.Length;
var borders = new LineBorders()
{
StartPos = headerLength + 1,
EndPos = headerLength + 1 + valuesLength
};
lock (sensorInfo.fileLock)
{
// this will clear file - handy in development
File.Delete(sensorInfo.FileName);
File.AppendAllLines(sensorInfo.FileName, arr_header);
File.AppendAllLines(sensorInfo.FileName, arr_values);
sensorInfo.Lines.Add(borders);
}
}
else
{
var lastBorders = sensorInfo.getLastLine();
File.AppendAllLines(sensorInfo.FileName, arr_values);
var borders = new LineBorders()
{
StartPos = lastBorders.EndPos + 1,
EndPos = lastBorders.EndPos + 1 + valuesLength
};
sensorInfo.Lines.Add(borders);
}
sensorInfo.ReadIndex++;
}
private async Task PreprocessData(CancellationToken token)
{
var config = ServiceConfiguration.Instance;
for (int index = config.sensorsRange.From;
index < config.sensorsRange.To;
index++)
{
string sensorName = config.sensorNamePrefix + index;
string sensorFileName = config.dataPath
+ config.samplePrefix
+ index
+ config.sampleExtension;
var info = new SensorDataInfo(sensorName, sensorFileName);
sensors.Add(sensorName, info);
// find start and end position of every line (excluding header line)
using (var reader = File.OpenText(info.FileName))
{
string headerLine = reader.ReadLine();
info.CsvHeader = headerLine;
int lastIndex = headerLine.Length + 1;
string line = "";
while ((line = await reader.ReadLineAsync()) != null)
{
var borders = new LineBorders()
{
StartPos = lastIndex,
EndPos = lastIndex + line.Length
};
info.Lines.Add(borders);
lastIndex += line.Length + 1;
}
}
}
}
