func (c *Cache) add(name string, rrs rr.RRs) {
newparts := rrs.Partition(true)
if tidy(0, newparts) && len(newparts) == 0 { // nothing left to add
return
}
now := time.Now().Unix()
for _, part := range newparts {
for _, rec := range part {
rec.TTL = int32(now - secs0 + int64(rec.TTL))
}
}
c.rwm.Lock() // W++
defer c.rwm.Unlock() // W--
if oldparts, hit, _ := c.get0(name); hit {
newparts.SetAdd(oldparts)
}
c.tree.Put(name, newparts.Join().Pack())
}
