86 lines
2.4 KiB
Go
86 lines
2.4 KiB
Go
package daemon
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import (
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"fmt"
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"log"
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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/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, cleanCacheIntervall time.Duration, compression bool) error {
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ticker := time.Tick(cleanCacheIntervall)
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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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// go sensor.ReadHumiditiesContinuously(cnf.GetHumiditySensors(config.ENABLED), humidityChannel, errorChannel)
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go sensor.ReadTemperaturesContinuously(cnf.GetTemperatureSensors(config.ENABLED), 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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return fmt.Errorf("Can not turn on blue info light: %v", err)
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}
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for {
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select {
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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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return fmt.Errorf("Can not turn on yellow info light: %v", err)
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}
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log.Printf("Write measured values into logfile")
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log.Printf("%v new measured temperature values", len(temperatures))
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err = logfile.WriteTemperatures(temperatures, cnf.Device.TemperatureLogfile, compression)
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if err != nil {
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return fmt.Errorf("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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return fmt.Errorf("Can not turn on green info light: %v", err)
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}
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case temperature, more := <-temperatureChannel:
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if more {
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temperatures = append(temperatures, temperature)
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} else {
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log.Printf("Temperature Channel closed. Write remaining values into the logfile")
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err := logfile.WriteTemperatures(temperatures, cnf.Device.TemperatureLogfile, compression)
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if err != nil {
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return fmt.Errorf("Can not save temperatures: %v", err)
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}
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}
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case killSignal := <-interrupt:
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err := rgbled.Red(rgbLEDs)
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if err != nil {
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return fmt.Errorf("Can not turn on info light: %v", err)
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}
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//close(humidityChannel)
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close(temperatureChannel)
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return fmt.Errorf("Daemon was interruped by system signal %v", killSignal)
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}
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}
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}
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