// Return a list of network connections opened by a process.
func NetConnectionsPid(kind string, pid int32) ([]NetConnectionStat, error) {
var ret []NetConnectionStat
args := []string{"-i"}
switch strings.ToLower(kind) {
default:
fallthrough
case "":
fallthrough
case "all":
fallthrough
case "inet":
args = append(args, "tcp", "-i", "udp")
case "inet4":
args = append(args, "4")
case "inet6":
args = append(args, "6")
case "tcp":
args = append(args, "tcp")
case "tcp4":
args = append(args, "4tcp")
case "tcp6":
args = append(args, "6tcp")
case "udp":
args = append(args, "udp")
case "udp4":
args = append(args, "6udp")
case "udp6":
args = append(args, "6udp")
case "unix":
return ret, common.NotImplementedError
}
r, err := common.CallLsof(invoke, pid, args...)
if err != nil {
return nil, err
}
for _, rr := range r {
if strings.HasPrefix(rr, "COMMAND") {
continue
}
n, err := parseNetLine(rr)
if err != nil {
continue
}
ret = append(ret, n)
}
return ret, nil
}
func (p *Process) Parent() (*Process, error) {
rr, err := common.CallLsof(invoke, p.Pid, "-FR")
if err != nil {
return nil, err
}
for _, r := range rr {
if strings.HasPrefix(r, "p") { // skip if process
continue
}
l := string(r)
v, err := strconv.Atoi(strings.Replace(l, "R", "", 1))
if err != nil {
return nil, err
}
return NewProcess(int32(v))
}
return nil, fmt.Errorf("could not find parent line")
}