Function targetsDiff

fbclock/daemon/daemon.go:445–461

(oldTargets []string, targets []string)

	s.stats.SetCounter("master_offset_ns.60.abs_max", int64(maxDp.MasterOffsetNS))
	s.stats.SetCounter("path_delay_ns.60.abs_max", int64(maxDp.PathDelayNS))
	s.stats.SetCounter("freq_adj_ppb.60.abs_max", int64(maxDp.FreqAdjustmentPPB))
	return nil
}

func targetsDiff(oldTargets []string, targets []string) (added []string, removed []string) {
	m := map[string]bool{}
	for _, k := range oldTargets {
		m[k] = true
	}
	for _, k := range targets {
		if m[k] {
			delete(m, k)
		} else {
			added = append(added, k)
		}
	}
	for k := range m {
		removed = append(removed, k)
	}
	return