99 lines
2.7 KiB
Go
99 lines
2.7 KiB
Go
package daemon
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import (
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"context"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/go-flucky/flucky/pkg/config"
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"github.com/go-flucky/flucky/pkg/logfile"
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"github.com/go-flucky/flucky/pkg/logger"
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"github.com/go-flucky/flucky/pkg/rgbled"
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"github.com/go-flucky/flucky/pkg/sensor"
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"github.com/go-flucky/flucky/pkg/types"
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)
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// Start the daemon
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func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compression bool, round float64, logger logger.Logger) {
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// Info
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logger.Info("Use clean-cache-interval: %v", cleanCacheInterval.String())
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logger.Info("Use compression: %v", compression)
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logger.Info("Round values: %v", round)
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ticker := time.Tick(cleanCacheInterval)
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interrupt := make(chan os.Signal, 1)
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signal.Notify(interrupt, os.Interrupt, os.Kill, syscall.SIGTERM)
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errorChannel := make(chan error, 0)
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//humidityChannel := make(chan *types.Humidity, 0)
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temperatureChannel := make(chan *types.Temperature, 0)
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ctx := context.Background()
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childContext, cancel := context.WithCancel(ctx)
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// go sensor.ReadHumiditiesContinuously(cnf.GetHumiditySensors(config.ENABLED), humidityChannel, errorChannel)
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go sensor.ReadTemperaturesContinuously(childContext, cnf.GetTemperatureSensors(config.ENABLED), round, temperatureChannel, errorChannel)
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temperatures := make([]*types.Temperature, 0)
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rgbLEDs := cnf.GetRGBLEDs(config.ENABLED)
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err := rgbled.Green(rgbLEDs)
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if err != nil {
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logger.Error("Can not turn on green info light: %v", err)
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}
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for {
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select {
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case err, _ := <-errorChannel:
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logger.Error("%v", err)
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case <-ticker:
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err := rgbled.Blue(rgbLEDs)
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if err != nil {
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logger.Error("Can not turn on blue info light: %v", err)
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}
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err = logfile.WriteTemperatures(temperatures, cnf.Device.TemperatureLogfile, compression)
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if err != nil {
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cancel()
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logger.Fatal("Can not save temperatures: %v", err)
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}
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temperatures = make([]*types.Temperature, 0)
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err = rgbled.Green(rgbLEDs)
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if err != nil {
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logger.Error("Can not turn on green info light: %v", err)
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}
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case temperature, _ := <-temperatureChannel:
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temperatures = append(temperatures, temperature)
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case killSignal := <-interrupt:
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logger.Warn("Daemon was interruped by system signal %v\n", killSignal)
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cancel()
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err := rgbled.Red(rgbLEDs)
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if err != nil {
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logger.Error("Can not turn on red info light: %v", err)
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}
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logger.Warn("Save remaining temperature data from the cache")
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if compression {
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temperatures = logfile.CompressTemperature(temperatures)
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}
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err = logfile.WriteTemperatures(temperatures, cnf.Device.TemperatureLogfile, compression)
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if err != nil {
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logger.Fatal("Can not save temperatures: %v", err)
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}
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return
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}
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}
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}
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