82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
// +build darwin
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package devices
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import (
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"bytes"
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_ "embed"
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"encoding/csv"
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"github.com/shirou/gopsutil/host"
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"io"
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"log"
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)
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// All possible thermometers
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func devs() []string {
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// Did we already populate the sensorMap?
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if sensorMap != nil {
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return defs()
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}
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// Otherwise, get the sensor data from the system & filter it
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ids := loadIDs()
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sensors, err := host.SensorsTemperatures()
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if err != nil {
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log.Printf("error getting sensor list for temps: %s", err)
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return []string{}
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}
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rv := make([]string, 0, len(sensors))
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sensorMap = make(map[string]string)
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for _, sensor := range sensors {
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// 0-value sensors are not implemented
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if sensor.Temperature == 0 {
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continue
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}
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if label, ok := ids[sensor.SensorKey]; ok {
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sensorMap[sensor.SensorKey] = label
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rv = append(rv, label)
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}
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}
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return rv
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}
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// Only the ones filtered
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func defs() []string {
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rv := make([]string, 0, len(sensorMap))
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for _, val := range sensorMap {
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rv = append(rv, val)
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}
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return rv
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}
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//go:embed "smc.tsv"
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var smcData []byte
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// loadIDs parses the embedded smc.tsv data that maps Darwin SMC
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// sensor IDs to their human-readable labels into an array and returns the
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// array. The array keys are the 4-letter sensor keys; the values are the
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// human labels.
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func loadIDs() map[string]string {
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rv := make(map[string]string)
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parser := csv.NewReader(bytes.NewReader(smcData))
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parser.Comma = '\t'
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var line []string
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var err error
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for {
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if line, err = parser.Read(); err == io.EOF {
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break
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}
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if err != nil {
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log.Printf("error parsing SMC tags for temp widget: %s", err)
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break
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}
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// The line is malformed if len(line) != 2, but because the asset is static
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// it makes no sense to report the error to downstream users. This must be
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// tested at/around compile time.
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// FIXME assert all lines in smc.tsv have 2 columns during unit tests
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if len(line) == 2 {
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rv[line[0]] = line[1]
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}
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}
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return rv
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}
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