Support reloading config & mirrorz-d files

[taoky]

No description provided.

[iBug]

Already exists:

mirrorz-302/302.go

Lines 80 to 96 in 88356e1

	switch sig {
	case syscall.SIGHUP:
	logger.Infof("Got A HUP Signal! Now Reloading mirrorz.d.json....\n")
	s.LoadMirrorZD()
	case syscall.SIGUSR1:
	logger.Infof("Got A USR1 Signal! Now Reloading config.json....\n")
	LoadConfig(*configPtr)
	case syscall.SIGUSR2:
	logger.Infof("Got A USR2 Signal! Now Reopen log file....\n")
	err := s.InitLoggers()
	if err != nil {
	logger.Errorf("Error reopening log file: %v\n", err)
	}
	case syscall.SIGWINCH:
	logger.Infof("Got A WINCH Signal! Now Flush Resolved....\n")
	s.CachePurge()
	}

[taoky]

• Use SIGHUP for reloading everything
• Add support in systemd service file