63 lines
1.1 KiB
Go
63 lines
1.1 KiB
Go
package collectors
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import (
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"bufio"
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"log"
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"os"
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"strconv"
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)
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func batteryCapacity() (capacity int) {
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const filename string = "/sys/class/power_supply/BAT0/capacity"
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var rawCapacity string
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file, err := os.Open(filename)
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if err != nil {
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log.Fatal(err)
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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if scanner.Scan() {
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rawCapacity = scanner.Text()
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}
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if err := scanner.Err(); err != nil {
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log.Fatal(err)
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}
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capacity, err = strconv.Atoi(rawCapacity)
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if err != nil {
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log.Fatal(err)
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}
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return capacity
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}
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func batteryStatus() (status string) {
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const filename string = "/sys/class/power_supply/BAT0/status"
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file, err := os.Open(filename)
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if err != nil {
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log.Fatal(err)
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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if scanner.Scan() {
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status = scanner.Text()
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}
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if err := scanner.Err(); err != nil {
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log.Fatal(err)
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}
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return status
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}
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func batteryInfo() (capacity int, status string) {
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const statusFile string = "/sys/class/power_supply/BAT0/status"
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capacity = batteryCapacity()
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status = batteryStatus()
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return capacity, status
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}
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