func (master *Master) updateStatus(proc *process.Proc) {
if proc.IsAlive() {
proc.Status.SetStatus("running")
} else {
proc.Pid = -1
proc.Status.SetStatus("stopped")
}
}
// NOT thread safe method. Lock should be acquire before calling it.
func (master *Master) start(proc *process.Proc) error {
if !proc.IsAlive() {
err := proc.Start()
if err != nil {
return err
}
master.Watcher.AddProcWatcher(proc)
proc.Status.SetStatus("running")
}
return nil
}
// NOT thread safe method. Lock should be acquire before calling it.
func (master *Master) stop(proc *process.Proc) error {
if proc.IsAlive() {
waitStop := master.Watcher.StopWatcher(proc.Name)
err := proc.GracefullyStop()
if err != nil {
return err
}
if waitStop != nil {
<-waitStop
proc.Pid = -1
proc.Status.SetStatus("stopped")
}
log.Infof("Proc %s sucessfully stopped.", proc.Name)
}
return nil
}