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package widgets
import (
"fmt"
"log"
"os/exec"
"strconv"
"strings"
)
func getProcs() ([]Proc, error) {
output, err := exec.Command("ps", "-axo", "pid:10,comm:50,pcpu:5,pmem:5,args").Output()
if err != nil {
return nil, fmt.Errorf(tr.Value("widget.proc.err.ps", err.Error()))
}
// converts to []string, removing trailing newline and header
linesOfProcStrings := strings.Split(strings.TrimSuffix(string(output), "\n"), "\n")[1:]
procs := []Proc{}
for _, line := range linesOfProcStrings {
log.Printf("line is '%s', pid is '%s', cpu is '%s', mem is '%s'", line, strings.TrimSpace(line[0:10]), strings.TrimSpace(line[63:68]), strings.TrimSpace(line[69:74]))
pid, err := strconv.Atoi(strings.TrimSpace(line[0:10]))
if err != nil {
log.Println(tr.Value("widget.proc.err.pidconv", err.Error(), line))
}
cpu, err := strconv.ParseFloat(strings.TrimSpace(line[63:68]), 64)
if err != nil {
log.Println(tr.Value("widget.proc.err.cpuconv", err.Error(), line))
}
mem, err := strconv.ParseFloat(strings.TrimSpace(line[69:74]), 64)
if err != nil {
log.Println(tr.Value("widget.proc.err.memconv", err.Error(), line))
}
proc := Proc{
Pid: pid,
CommandName: strings.TrimSpace(line[11:61]),
FullCommand: line[74:],
CPU: cpu,
Mem: mem,
}
procs = append(procs, proc)
}
return procs, nil
}
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