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Dont create a new type for updates

This commit is contained in:
Miek Gieben 2011-12-09 20:56:59 +01:00
parent d5c309e8d8
commit 92736e2a8a
1 changed files with 23 additions and 25 deletions
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48
update.go
View File

@ -34,27 +34,25 @@
//
package dns
type Update struct{ Msg }
func (u *Update) Zone() []Question {
return u.Msg.Question
func (u *Msg) Zone() []Question {
return u.Question
}
func (u *Update) Prereq() []RR {
return u.Msg.Answer
func (u *Msg) Prereq() []RR {
return u.Answer
}
func (u *Update) Update() []RR {
return u.Msg.Ns
func (u *Msg) Update() []RR {
return u.Ns
}
func (u *Update) Additional() []RR {
return u.Msg.Extra
func (u *Msg) Additional() []RR {
return u.Extra
}
// NewUpdate creats a new DNS update packet.
func NewUpdate(zone string, class uint16) *Update {
u := new(Update)
func NewUpdate(zone string, class uint16) *Msg {
u := new(Msg)
u.MsgHdr.Opcode = OpcodeUpdate
u.Question = make([]Question, 1)
u.Question[0] = Question{zone, TypeSOA, class}
@ -75,7 +73,7 @@ func NewUpdate(zone string, class uint16) *Update {
// NameUsed sets the RRs in the prereq section to
// "Name is in use" RRs. RFC 2136 section 2.4.4.
func (u *Update) NameUsed(rr []RR) {
func (u *Msg) NameUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = &RR_ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}
@ -84,7 +82,7 @@ func (u *Update) NameUsed(rr []RR) {
// NameNotUsed sets the RRs in the prereq section to
// "Name is in not use" RRs. RFC 2136 section 2.4.5.
func (u *Update) NameNotUsed(rr []RR) {
func (u *Msg) NameNotUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = &RR_ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassNONE}}
@ -93,20 +91,20 @@ func (u *Update) NameNotUsed(rr []RR) {
// RRsetUsedRdata sets the RRs in the prereq section to
// "RRset exists (value dependent -- with rdata)" RRs. RFC 2136 section 2.4.2.
func (u *Update) RRsetUsedRdata(rr []RR) {
if len(u.Msg.Question) == 0 {
func (u *Msg) RRsetUsedRdata(rr []RR) {
if len(u.Question) == 0 {
panic("empty question section")
}
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
u.Answer[i].Header().Class = u.Msg.Question[0].Qclass
u.Answer[i].Header().Class = u.Question[0].Qclass
}
}
// RRsetUsedNoRdata sets the RRs in the prereq section to
// "RRset exists (value independent -- no rdata)" RRs. RFC 2136 section 2.4.1.
func (u *Update) RRsetUsedNoRdata(rr []RR) {
func (u *Msg) RRsetUsedNoRdata(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
@ -118,7 +116,7 @@ func (u *Update) RRsetUsedNoRdata(rr []RR) {
// RRsetNotUsed sets the RRs in the prereq section to
// "RRset does not exist" RRs. RFC 2136 section 2.4.3.
func (u *Update) RRsetNotUsed(rr []RR) {
func (u *Msg) RRsetNotUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
@ -140,19 +138,19 @@ func (u *Update) RRsetNotUsed(rr []RR) {
// zone rrset rr Add to an RRset RRsetAddRdata
// RRsetAddRdata adds an complete RRset, see RFC 2136 section 2.5.1
func (u *Update) RRsetAddRdata(rr []RR) {
if len(u.Msg.Question) == 0 {
func (u *Msg) RRsetAddRdata(rr []RR) {
if len(u.Question) == 0 {
panic("empty question section")
}
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = r
u.Ns[i].Header().Class = u.Msg.Question[0].Qclass
u.Ns[i].Header().Class = u.Question[0].Qclass
}
}
// RRsetDelete deletes an RRset, see RFC 2136 section 2.5.2
func (u *Update) RRsetDelete(rr []RR) {
func (u *Msg) RRsetDelete(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = r
@ -163,7 +161,7 @@ func (u *Update) RRsetDelete(rr []RR) {
}
// NameDelete deletes all RRsets of a name, see RFC 2136 section 2.5.3
func (u *Update) NameDelete(rr []RR) {
func (u *Msg) NameDelete(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = &RR_ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}
@ -171,7 +169,7 @@ func (u *Update) NameDelete(rr []RR) {
}
// RRsetDeleteRR deletes RR from the RRSset, see RFC 2136 section 2.5.4
func (u *Update) RRsetDeleteRR(rr []RR) {
func (u *Msg) RRsetDeleteRR(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = r