func ListAgentDirs() ([]string, error) {
agentDirs, err := f.DirsUnder(g.SelfDir)
if err != nil {
log.Println("list dirs under", g.SelfDir, "fail", err)
}
return agentDirs, err
}
func AllProcs() (ps []*Proc, err error) {
var dirs []string
dirs, err = file.DirsUnder("/proc")
if err != nil {
return
}
size := len(dirs)
if size == 0 {
return
}
for i := 0; i < size; i++ {
pid, e := strconv.Atoi(dirs[i])
if e != nil {
continue
}
statusFile := fmt.Sprintf("/proc/%d/status", pid)
cmdlineFile := fmt.Sprintf("/proc/%d/cmdline", pid)
if !file.IsExist(statusFile) || !file.IsExist(cmdlineFile) {
continue
}
name, e := ReadName(statusFile)
if e != nil {
continue
}
cmdlineBytes, e := file.ToBytes(cmdlineFile)
if e != nil {
continue
}
cmdlineBytesLen := len(cmdlineBytes)
if cmdlineBytesLen == 0 {
continue
}
noNut := make([]byte, 0, cmdlineBytesLen)
for j := 0; j < cmdlineBytesLen; j++ {
if cmdlineBytes[j] != 0 {
noNut = append(noNut, cmdlineBytes[j])
}
}
p := Proc{Pid: pid, Name: name, Cmdline: string(noNut)}
ps = append(ps, &p)
}
return
}