open-consul/vendor/github.com/miekg/dns/update.go
Sean Chittenden 333ff22e9a Manage dependencies via Godep
Embrace the future and use Go 1.6's vendor support via Godep.

Go 1.5 users should `export GO15VENDOREXPERIMENT=1`
2016-02-12 16:50:37 -08:00

95 lines
2.8 KiB
Go

package dns
// NameUsed sets the RRs in the prereq section to
// "Name is in use" RRs. RFC 2136 section 2.4.4.
func (u *Msg) NameUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}
}
}
// NameNotUsed sets the RRs in the prereq section to
// "Name is in not use" RRs. RFC 2136 section 2.4.5.
func (u *Msg) NameNotUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassNONE}}
}
}
// Used sets the RRs in the prereq section to
// "RRset exists (value dependent -- with rdata)" RRs. RFC 2136 section 2.4.2.
func (u *Msg) Used(rr []RR) {
if len(u.Question) == 0 {
panic("dns: empty question section")
}
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
u.Answer[i].Header().Class = u.Question[0].Qclass
}
}
// RRsetUsed sets the RRs in the prereq section to
// "RRset exists (value independent -- no rdata)" RRs. RFC 2136 section 2.4.1.
func (u *Msg) RRsetUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
u.Answer[i].Header().Class = ClassANY
u.Answer[i].Header().Ttl = 0
u.Answer[i].Header().Rdlength = 0
}
}
// RRsetNotUsed sets the RRs in the prereq section to
// "RRset does not exist" RRs. RFC 2136 section 2.4.3.
func (u *Msg) RRsetNotUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
u.Answer[i].Header().Class = ClassNONE
u.Answer[i].Header().Rdlength = 0
u.Answer[i].Header().Ttl = 0
}
}
// Insert creates a dynamic update packet that adds an complete RRset, see RFC 2136 section 2.5.1.
func (u *Msg) Insert(rr []RR) {
if len(u.Question) == 0 {
panic("dns: empty question section")
}
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = r
u.Ns[i].Header().Class = u.Question[0].Qclass
}
}
// RemoveRRset creates a dynamic update packet that deletes an RRset, see RFC 2136 section 2.5.2.
func (u *Msg) RemoveRRset(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: r.Header().Rrtype, Class: ClassANY}}
}
}
// RemoveName creates a dynamic update packet that deletes all RRsets of a name, see RFC 2136 section 2.5.3
func (u *Msg) RemoveName(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}
}
}
// Remove creates a dynamic update packet deletes RR from the RRSset, see RFC 2136 section 2.5.4
func (u *Msg) Remove(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = r
u.Ns[i].Header().Class = ClassNONE
u.Ns[i].Header().Ttl = 0
}
}