coredns/middleware/file/zone.go
Miek Gieben 6ecbdef112 Add notifies to master servers
This adds a bunch of supporting code to send notifies to a primary

name server.
2016-04-03 07:37:41 +01:00

58 lines
1.2 KiB
Go

package file
import (
"github.com/miekg/coredns/middleware"
"github.com/miekg/coredns/middleware/file/tree"
"github.com/miekg/dns"
)
type Transfer struct {
Out bool
In bool
}
type Zone struct {
SOA *dns.SOA
SIG []dns.RR
name string
*tree.Tree
Peers []string
Transfer *Transfer
}
// NewZone returns a new zone.
func NewZone(name string) *Zone {
return &Zone{name: dns.Fqdn(name), Tree: &tree.Tree{}, Transfer: &Transfer{}}
}
// Insert inserts r into z.
func (z *Zone) Insert(r dns.RR) { z.Tree.Insert(r) }
// Delete deletes r from z.
func (z *Zone) Delete(r dns.RR) { z.Tree.Delete(r) }
// It the transfer request allowed.
func (z *Zone) TransferAllowed(state middleware.State) bool {
if z.Transfer == nil {
return false
}
return z.Transfer.Out
}
// All returns all records from the zone, the first record will be the SOA record,
// otionally followed by all RRSIG(SOA)s.
func (z *Zone) All() []dns.RR {
records := []dns.RR{}
allNodes := z.Tree.All()
for _, a := range allNodes {
records = append(records, a.All()...)
}
if len(z.SIG) > 0 {
records = append(z.SIG, records...)
}
return append([]dns.RR{z.SOA}, records...)
}
// Apex function?