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struct embedding

This commit is contained in:
Miek Gieben 2012-09-05 16:31:13 +02:00
parent 03a8bfbb88
commit 09e07339e6
1 changed files with 25 additions and 25 deletions
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50
defaults.go
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@ -12,11 +12,11 @@ const hexDigit = "0123456789abcdef"
// SetReply creates a reply packet from a request message.
func (dns *Msg) SetReply(request *Msg) *Msg {
dns.MsgHdr.Id = request.MsgHdr.Id
dns.MsgHdr.RecursionDesired = request.MsgHdr.RecursionDesired // Copy rd bit
dns.MsgHdr.Response = true
dns.MsgHdr.Opcode = OpcodeQuery
dns.MsgHdr.Rcode = RcodeSuccess
dns.Id = request.Id
dns.RecursionDesired = request.RecursionDesired // Copy rd bit
dns.Response = true
dns.Opcode = OpcodeQuery
dns.Rcode = RcodeSuccess
if len(request.Question) > 0 {
dns.Question = make([]Question, 1)
dns.Question[0] = request.Question[0]
@ -26,8 +26,8 @@ func (dns *Msg) SetReply(request *Msg) *Msg {
// SetQuestion creates a question packet.
func (dns *Msg) SetQuestion(z string, t uint16) *Msg {
dns.MsgHdr.Id = Id()
dns.MsgHdr.RecursionDesired = true
dns.Id = Id()
dns.RecursionDesired = true
dns.Question = make([]Question, 1)
dns.Question[0] = Question{z, t, ClassINET}
return dns
@ -35,9 +35,9 @@ func (dns *Msg) SetQuestion(z string, t uint16) *Msg {
// SetNotify creates a notify packet.
func (dns *Msg) SetNotify(z string) *Msg {
dns.MsgHdr.Opcode = OpcodeNotify
dns.MsgHdr.Authoritative = true
dns.MsgHdr.Id = Id()
dns.Opcode = OpcodeNotify
dns.Authoritative = true
dns.Id = Id()
dns.Question = make([]Question, 1)
dns.Question[0] = Question{z, TypeSOA, ClassINET}
return dns
@ -45,10 +45,10 @@ func (dns *Msg) SetNotify(z string) *Msg {
// SetRcode creates an error packet suitable for the request.
func (dns *Msg) SetRcode(request *Msg, rcode int) *Msg {
dns.MsgHdr.Rcode = rcode
dns.MsgHdr.Opcode = OpcodeQuery
dns.MsgHdr.Response = true
dns.MsgHdr.Id = request.MsgHdr.Id
dns.Rcode = rcode
dns.Opcode = OpcodeQuery
dns.Response = true
dns.Id = request.Id
// Note that this is actually a FORMERR
if len(request.Question) > 0 {
dns.Question = make([]Question, 1)
@ -59,20 +59,20 @@ func (dns *Msg) SetRcode(request *Msg, rcode int) *Msg {
// SetRcodeFormatError creates a packet with FormError set.
func (dns *Msg) SetRcodeFormatError(request *Msg) *Msg {
dns.MsgHdr.Rcode = RcodeFormatError
dns.MsgHdr.Opcode = OpcodeQuery
dns.MsgHdr.Response = true
dns.MsgHdr.Authoritative = false
dns.MsgHdr.Id = request.MsgHdr.Id
dns.Rcode = RcodeFormatError
dns.Opcode = OpcodeQuery
dns.Response = true
dns.Authoritative = false
dns.Id = request.Id
return dns
}
// SetUpdate makes the message a dynamic update packet. It
// sets the ZONE section to: z, TypeSOA, ClassINET.
func (dns *Msg) SetUpdate(z string) *Msg {
dns.MsgHdr.Id = Id()
dns.MsgHdr.Response = false
dns.MsgHdr.Opcode = OpcodeUpdate
dns.Id = Id()
dns.Response = false
dns.Opcode = OpcodeUpdate
dns.Compress = false // BIND9 cannot handle compression
dns.Question = make([]Question, 1)
dns.Question[0] = Question{z, TypeSOA, ClassINET}
@ -81,7 +81,7 @@ func (dns *Msg) SetUpdate(z string) *Msg {
// SetIxfr creates dns msg suitable for requesting an ixfr.
func (dns *Msg) SetIxfr(z string, serial uint32) *Msg {
dns.MsgHdr.Id = Id()
dns.Id = Id()
dns.Question = make([]Question, 1)
dns.Ns = make([]RR, 1)
s := new(RR_SOA)
@ -94,7 +94,7 @@ func (dns *Msg) SetIxfr(z string, serial uint32) *Msg {
// SetAxfr creates dns msg suitable for requesting an axfr.
func (dns *Msg) SetAxfr(z string) *Msg {
dns.MsgHdr.Id = Id()
dns.Id = Id()
dns.Question = make([]Question, 1)
dns.Question[0] = Question{z, TypeAXFR, ClassINET}
return dns
@ -109,7 +109,7 @@ func (dns *Msg) SetTsig(z, algo string, fudge, timesigned int64) *Msg {
t.Algorithm = algo
t.Fudge = 300
t.TimeSigned = uint64(timesigned)
t.OrigId = dns.MsgHdr.Id
t.OrigId = dns.Id
dns.Extra = append(dns.Extra, t)
return dns
}