// DeleteElement deletes the element with the given id from the LXCMap.
func (m *LXCMap) DeleteElement(ep *endpoint.Endpoint) error {
if m == nil {
return nil
}
// FIXME: errors are currently ignored
id6 := uint32(ep.ID)
err := bpf.DeleteElement(m.fd, unsafe.Pointer(&id6))
if ep.IPv4 != nil {
if id4 := uint32(ep.IPv4.EndpointID()); id4 != 0 {
id4 = id4 | (1 << 16)
if err := bpf.DeleteElement(m.fd, unsafe.Pointer(&id4)); err != nil {
return err
}
}
}
return err
}
func (m *CtMap) doGc(interval uint16, key unsafe.Pointer, nextKey unsafe.Pointer, deleted *int) bool {
var entry CtEntry
err := bpf.GetNextKey(m.Fd, key, nextKey)
if err != nil {
return false
}
err = bpf.LookupElement(m.Fd, nextKey, unsafe.Pointer(&entry))
if err != nil {
return false
}
if entry.lifetime <= interval {
bpf.DeleteElement(m.Fd, nextKey)
(*deleted)++
} else {
entry.lifetime -= interval
bpf.UpdateElement(m.Fd, nextKey, unsafe.Pointer(&entry), 0)
}
return true
}
func (m *PolicyMap) DeleteConsumer(id uint32) error {
return bpf.DeleteElement(m.Fd, unsafe.Pointer(&id))
}