xmtop/devices/temp_freebsd.go
Sean E. Russell 30f59c43da Fixes #97
2020-05-30 05:35:27 -05:00

74 lines
1.5 KiB
Go

// +build freebsd
package devices
import (
"log"
"os/exec"
"strconv"
"strings"
"github.com/xxxserxxx/gotop/v4/utils"
)
func init() {
if len(devs()) == 0 {
log.Println("temp: no thermal sensors found")
return
}
RegisterTemp(update)
RegisterDeviceList(Temperatures, devs, devs)
}
var sensorOIDS = map[string]string{
"dev.cpu.0.temperature": "CPU 0 ",
"hw.acpi.thermal.tz0.temperature": "Thermal zone 0",
}
func update(temps map[string]int) map[string]error {
errors := make(map[string]error)
for k, v := range sensorOIDS {
if _, ok := temps[k]; !ok {
continue
}
output, err := exec.Command("sysctl", "-n", k).Output()
if err != nil {
errors[v] = err
continue
}
s1 := strings.Replace(string(output), "C", "", 1)
s2 := strings.TrimSuffix(s1, "\n")
convertedOutput := utils.ConvertLocalizedString(s2)
value, err := strconv.ParseFloat(convertedOutput, 64)
if err != nil {
errors[v] = err
continue
}
temps[v] = int(value)
}
return errors
}
func devs() []string {
rv := make([]string, 0, len(sensorOIDS))
// Check that thermal sensors are really available; they aren't in VMs
bs, err := exec.Command("sysctl", "-a").Output()
if err != nil {
log.Printf("temp: failure to get system information %s", err.Error())
return []string{}
}
for k, _ := range sensorOIDS {
idx := strings.Index(string(bs), k)
if idx < 0 {
log.Println("temp: no device %s found", k)
} else {
rv = append(rv, k)
}
}
return rv
}