109
package main
import (
"encoding/json"
"fmt"
"os"
"strings"
"time"
)
const SI = "%KMG"
var CONFIG = struct {
Json bool
Repeat bool
Unit int
Time time.Duration
}{false, false, 2, time.Second}
func Help() {
fmt.Printf("Usage: %s [options]\n", os.Args[0])
fmt.Println("Options:")
fmt.Println(" -j Output in JSON format")
fmt.Println(" -r Repeat output")
fmt.Printf(" -[%s] Use unit\n", SI)
fmt.Println(" -t<n> Set sampling time to n seconds")
os.Exit(0)
}
func parseTime(s string) time.Duration {
var n int
for s = s[strings.Index(s, "t")+1:]; len(s) > 0 && s[0] >= '0' && s[0] <= '9'; s = s[1:] {
n = n*10 + int(s[0]) - '0'
}
return time.Duration(n) * time.Second
}
func init() {
if len(os.Args) > 1 {
for _, arg := range os.Args[1:] {
if strings.Count(arg, "-") < 2 {
if strings.Contains(arg, "j") {
CONFIG.Json = true
}
if strings.Contains(arg, "r") {
CONFIG.Repeat = true
}
for i, c := range SI {
if strings.Contains(arg, string(c)) {
CONFIG.Unit = i
}
}
if strings.Contains(arg, "t") {
CONFIG.Time = parseTime(arg)
}
} else {
Help()
}
}
}
}
type Bytes uint64
func (b Bytes) String() string {
if CONFIG.Unit == 0 {
}
return fmt.Sprint(b)
}
type Net struct {
Tx Bytes
Rx Bytes
}
type HWInfo struct {
CPU CPU
MEM MEM
NET Net
}
func (this *HWInfo) update() {
done := make(chan bool)
go this.CPU.update(done)
go this.MEM.update(done)
<-done
<-done
// i.NET.update()
}
func (i *HWInfo) String() string {
if CONFIG.Json {
b, _ := json.Marshal(i)
return string(b)
}
return fmt.Sprintf("%s %s %s\n", i.CPU, i.MEM, i.NET)
}
func Is(err error) bool {
return err != nil
}
func main() {
var HW HWInfo
HW.update()
fmt.Println(HW)
// go getCPUTemp()
// go getMHz()
// getCPU()
// println(" Mem: ", printNWithErr(prctMem), "% USED ", printNWithErr(prctBuff), "% BUFF ", printNWithErr(prctFree), "% FREE CPU: ", printNWithErr(cpuLoad), "% ", printNWithErr(cpuTemp), "C ", printNWithErr(cpuMHz), "MHz")
}