45 lines
1.5 KiB
C#
45 lines
1.5 KiB
C#
using System;
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using InfluxDB.Client.Flux;
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namespace OutputServiceTSDB.InfluxDB
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{
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public class InfluxReader
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{
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private readonly char[] Token = "".ToCharArray();
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public InfluxReader()
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{
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//
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// TODO: Add constructor logic here
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//
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}
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public MeasurementObject Read()
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{
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var fluxClient = FluxClientFactory.Create("http://localhost:8086/");
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var fluxQuery = "from(bucket: \"telegraf\")\n"
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+ " |> filter(fn: (r) => (r[\"_measurement\"] == \"cpu\" AND r[\"_field\"] == \"usage_system\"))"
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+ " |> range(start: -1d)"
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+ " |> sample(n: 5, pos: 1)";
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fluxClient.QueryAsync(fluxQuery, (cancellable, record) =>
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{
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// process the flux query records
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Console.WriteLine(record.GetTime() + ": " + record.GetValue());
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},
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(error) =>
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{
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// error handling while processing result
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Console.WriteLine(error.ToString());
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}, () =>
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{
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// on complete
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Console.WriteLine("Query completed");
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}).GetAwaiter().GetResult();
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return new MeasurementObject { DeviceID = "south", Probability = 0.5, Time = DateTime.UtcNow };
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}
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}
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} |