50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
package sensor
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import (
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"context"
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"fmt"
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"sync"
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"github.com/go-flucky/flucky/pkg/types"
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)
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// Read measured values from sensors
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func Read(ctx context.Context, sensors []Sensor) ([]types.MeasuredValue, error) {
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// TODO: Execute Read with go function
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cachesMeasuredValues := make([]types.MeasuredValue, 0)
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for _, sensor := range sensors {
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measuredValues, err := sensor.Read()
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if err != nil {
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return nil, err
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}
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cachesMeasuredValues = append(cachesMeasuredValues, measuredValues...)
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}
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return cachesMeasuredValues, nil
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}
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// ReadChannel reads the measured values from sensors and writes them to a
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// channel.
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func ReadChannel(ctx context.Context, sensors []Sensor, measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error, wg *sync.WaitGroup) {
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// TODO: Execute ReadCallel with go function if wg is available
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for _, sensor := range sensors {
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sensor.ReadChannel(measuredValueChannel, errorChannel, wg)
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}
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}
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// ReadContinuously reads the measured values continously from sensors and writes
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// them to a channel.
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func ReadContinuously(ctx context.Context, sensors []Sensor, measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error) {
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for {
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select {
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case <-ctx.Done():
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errorChannel <- fmt.Errorf("Context closed: %v", ctx.Err())
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return
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default:
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ReadChannel(ctx, sensors, measuredValueChannel, errorChannel, nil)
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}
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}
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}
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