Method get

internal/exit/dnscache.go:34–46

get returns a cached IP for host, or "" if missing/expired. Expired entries are evicted on access to keep the map small.

(host string)

// get returns a cached IP for host, or "" if missing/expired. Expired entries
// are evicted on access to keep the map small.
func (c *dnsCache) get(host string) string {
	c.mu.Lock()
	defer c.mu.Unlock()
	e, ok := c.entries[host]
	if !ok {
		return ""
	}
	if time.Now().After(e.expires) {
		delete(c.entries, host)
		return ""
	}
	return e.ip
}

func (c *dnsCache) set(host, ip string) {
	c.mu.Lock()