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80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
// SPDX-License-Identifier: BSD-3-Clause
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//go:build linux
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package sensors
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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)
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// ExTemperature represents Linux dependent temperature sensor data
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type ExTemperature struct {
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SensorKey string `json:"key"`
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Min float64 `json:"min"` // Temperature min value.
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Lowest float64 `json:"lowest"` // Historical minimum temperature
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Highest float64 `json:"highest"` // Historical maximum temperature
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}
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type ExLinux struct{}
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func NewExLinux() *ExLinux {
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return &ExLinux{}
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}
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func (ex *ExLinux) TemperatureWithContext(ctx context.Context) ([]ExTemperature, error) {
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var warns Warnings
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files, err := getTemperatureFiles(ctx)
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if err != nil {
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return nil, fmt.Errorf("failed to get temperature files, %w", err)
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}
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temperatures := make([]ExTemperature, 0, len(files))
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for _, file := range files {
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var raw []byte
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// Get the base directory location
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directory := filepath.Dir(file)
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// Get the base filename prefix like temp1
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basename := strings.Split(filepath.Base(file), "_")[0]
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// Get the base path like <dir>/temp1
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basepath := filepath.Join(directory, basename)
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// Get the label of the temperature you are reading
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label := ""
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if raw, _ = os.ReadFile(basepath + "_label"); len(raw) != 0 {
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// Format the label from "Core 0" to "core_0"
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label = strings.Join(strings.Split(strings.TrimSpace(strings.ToLower(string(raw))), " "), "_")
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}
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// Get the name of the temperature you are reading
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if raw, err = os.ReadFile(filepath.Join(directory, "name")); err != nil {
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warns.Add(err)
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continue
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}
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name := strings.TrimSpace(string(raw))
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if label != "" {
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name = name + "_" + label
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}
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// Add discovered temperature sensor to the list
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temperatures = append(temperatures, ExTemperature{
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SensorKey: name,
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Min: optionalValueReadFromFile(basepath+"_min") / hostTemperatureScale,
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Lowest: optionalValueReadFromFile(basepath+"_lowest") / hostTemperatureScale,
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Highest: optionalValueReadFromFile(basepath+"_highest") / hostTemperatureScale,
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})
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}
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return temperatures, warns.Reference()
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}
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