Dont create a new type for updates
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parent
d5c309e8d8
commit
92736e2a8a
48
update.go
48
update.go
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@ -34,27 +34,25 @@
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//
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package dns
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type Update struct{ Msg }
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func (u *Update) Zone() []Question {
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return u.Msg.Question
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func (u *Msg) Zone() []Question {
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return u.Question
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}
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func (u *Update) Prereq() []RR {
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return u.Msg.Answer
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func (u *Msg) Prereq() []RR {
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return u.Answer
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}
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func (u *Update) Update() []RR {
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return u.Msg.Ns
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func (u *Msg) Update() []RR {
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return u.Ns
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}
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func (u *Update) Additional() []RR {
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return u.Msg.Extra
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func (u *Msg) Additional() []RR {
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return u.Extra
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}
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// NewUpdate creats a new DNS update packet.
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func NewUpdate(zone string, class uint16) *Update {
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u := new(Update)
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func NewUpdate(zone string, class uint16) *Msg {
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u := new(Msg)
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u.MsgHdr.Opcode = OpcodeUpdate
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u.Question = make([]Question, 1)
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u.Question[0] = Question{zone, TypeSOA, class}
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@ -75,7 +73,7 @@ func NewUpdate(zone string, class uint16) *Update {
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// NameUsed sets the RRs in the prereq section to
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// "Name is in use" RRs. RFC 2136 section 2.4.4.
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func (u *Update) NameUsed(rr []RR) {
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func (u *Msg) NameUsed(rr []RR) {
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u.Answer = make([]RR, len(rr))
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for i, r := range rr {
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u.Answer[i] = &RR_ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}
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@ -84,7 +82,7 @@ func (u *Update) NameUsed(rr []RR) {
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// NameNotUsed sets the RRs in the prereq section to
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// "Name is in not use" RRs. RFC 2136 section 2.4.5.
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func (u *Update) NameNotUsed(rr []RR) {
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func (u *Msg) NameNotUsed(rr []RR) {
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u.Answer = make([]RR, len(rr))
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for i, r := range rr {
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u.Answer[i] = &RR_ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassNONE}}
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@ -93,20 +91,20 @@ func (u *Update) NameNotUsed(rr []RR) {
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// RRsetUsedRdata sets the RRs in the prereq section to
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// "RRset exists (value dependent -- with rdata)" RRs. RFC 2136 section 2.4.2.
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func (u *Update) RRsetUsedRdata(rr []RR) {
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if len(u.Msg.Question) == 0 {
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func (u *Msg) RRsetUsedRdata(rr []RR) {
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if len(u.Question) == 0 {
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panic("empty question section")
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}
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u.Answer = make([]RR, len(rr))
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for i, r := range rr {
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u.Answer[i] = r
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u.Answer[i].Header().Class = u.Msg.Question[0].Qclass
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u.Answer[i].Header().Class = u.Question[0].Qclass
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}
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}
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// RRsetUsedNoRdata sets the RRs in the prereq section to
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// "RRset exists (value independent -- no rdata)" RRs. RFC 2136 section 2.4.1.
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func (u *Update) RRsetUsedNoRdata(rr []RR) {
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func (u *Msg) RRsetUsedNoRdata(rr []RR) {
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u.Answer = make([]RR, len(rr))
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for i, r := range rr {
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u.Answer[i] = r
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@ -118,7 +116,7 @@ func (u *Update) RRsetUsedNoRdata(rr []RR) {
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// RRsetNotUsed sets the RRs in the prereq section to
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// "RRset does not exist" RRs. RFC 2136 section 2.4.3.
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func (u *Update) RRsetNotUsed(rr []RR) {
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func (u *Msg) RRsetNotUsed(rr []RR) {
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u.Answer = make([]RR, len(rr))
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for i, r := range rr {
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u.Answer[i] = r
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@ -140,19 +138,19 @@ func (u *Update) RRsetNotUsed(rr []RR) {
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// zone rrset rr Add to an RRset RRsetAddRdata
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// RRsetAddRdata adds an complete RRset, see RFC 2136 section 2.5.1
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func (u *Update) RRsetAddRdata(rr []RR) {
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if len(u.Msg.Question) == 0 {
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func (u *Msg) RRsetAddRdata(rr []RR) {
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if len(u.Question) == 0 {
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panic("empty question section")
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}
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u.Ns = make([]RR, len(rr))
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for i, r := range rr {
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u.Ns[i] = r
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u.Ns[i].Header().Class = u.Msg.Question[0].Qclass
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u.Ns[i].Header().Class = u.Question[0].Qclass
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}
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}
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// RRsetDelete deletes an RRset, see RFC 2136 section 2.5.2
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func (u *Update) RRsetDelete(rr []RR) {
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func (u *Msg) RRsetDelete(rr []RR) {
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u.Ns = make([]RR, len(rr))
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for i, r := range rr {
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u.Ns[i] = r
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@ -163,7 +161,7 @@ func (u *Update) RRsetDelete(rr []RR) {
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}
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// NameDelete deletes all RRsets of a name, see RFC 2136 section 2.5.3
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func (u *Update) NameDelete(rr []RR) {
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func (u *Msg) NameDelete(rr []RR) {
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u.Ns = make([]RR, len(rr))
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for i, r := range rr {
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u.Ns[i] = &RR_ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}
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@ -171,7 +169,7 @@ func (u *Update) NameDelete(rr []RR) {
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}
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// RRsetDeleteRR deletes RR from the RRSset, see RFC 2136 section 2.5.4
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func (u *Update) RRsetDeleteRR(rr []RR) {
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func (u *Msg) RRsetDeleteRR(rr []RR) {
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u.Ns = make([]RR, len(rr))
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for i, r := range rr {
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u.Ns[i] = r
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