xmtop/devices/temp_nix.go
Anatol Pomozov 93fe0cab2e smart.go: switch to simpler ReadGenericAttributes() api
...to get the device temperature. This API abstracts differences between
different device interfaces (SATA vs NVMe vs ...)
2022-09-17 12:57:15 -07:00

82 lines
1.7 KiB
Go

//go:build linux || darwin
// +build linux darwin
package devices
import (
"log"
"github.com/anatol/smart.go"
"github.com/jaypipes/ghw"
"github.com/shirou/gopsutil/host"
)
var smDevices map[string]smart.Device
func init() {
devs() // Populate the sensorMap
RegisterStartup(startBlock)
RegisterTemp(getTemps)
RegisterDeviceList(Temperatures, devs, defs)
RegisterShutdown(endBlock)
}
func startBlock(vars map[string]string) error {
smDevices = make(map[string]smart.Device)
block, err := ghw.Block()
if err != nil {
log.Printf("error getting block device info: %s", err)
return err
}
for _, disk := range block.Disks {
dev, err := smart.Open("/dev/" + disk.Name)
if err != nil {
log.Printf("error opening smart info for %s: %s", disk.Name, err)
continue
}
smDevices[disk.Name+"_"+disk.Model] = dev
}
return nil
}
func endBlock() error {
for name, dev := range smDevices {
err := dev.Close()
if err != nil {
log.Printf("error closing device %s: %s", name, err)
}
}
return nil
}
func getTemps(temps map[string]int) map[string]error {
sensors, err := host.SensorsTemperatures()
if err != nil {
if _, ok := err.(*host.Warnings); ok {
// ignore warnings
} else {
return map[string]error{"gopsutil host": err}
}
}
for _, sensor := range sensors {
label := sensorMap[sensor.SensorKey]
if _, ok := temps[label]; ok {
temps[label] = int(sensor.Temperature)
}
}
for name, dev := range smDevices {
attr, err := dev.ReadGenericAttributes()
if err != nil {
log.Printf("error getting smart data for %s: %s", name, err)
continue
}
temps[name] = int(attr.Temperature)
}
return nil
}
// Optimization to avoid string manipulation every update
var sensorMap map[string]string