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Finalize edns version setting

This commit is contained in:
Miek Gieben 2012-01-12 20:39:31 +01:00
parent 036d6e4c2c
commit 4a5a144c53
1 changed files with 13 additions and 14 deletions
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27
edns.go
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@ -76,30 +76,29 @@ func (rr *RR_OPT) String() string {
} }
func (rr *RR_OPT) Len() int { func (rr *RR_OPT) Len() int {
l := rr.Hdr.Len() l := rr.Hdr.Len()
for i := 0; i < len(rr.Option); i++ { for i := 0; i < len(rr.Option); i++ {
l += 2 + len(rr.Option[i].Data)/2 l += 2 + len(rr.Option[i].Data)/2
} }
return l return l
} }
// TODO(mg) // Version returns the EDNS version.
// Get the EDNS version (always 0 currently).
func (rr *RR_OPT) Version() uint8 { func (rr *RR_OPT) Version() uint8 {
return 0 return uint8(rr.Hdr.Ttl & 0x00FF00FFFF)
} }
// Set the version of EDNS. // SetVersion sets the version of EDNS. This is usually zero.
func (rr *RR_OPT) SetVersion(v uint8) { func (rr *RR_OPT) SetVersion(v uint8) {
return rr.Hdr.Ttl = rr.Hdr.Ttl&0xFF00FFFF | uint32(v)
} }
// Get the UDP buffer size. // UDPSize gets the UDP buffer size.
func (rr *RR_OPT) UDPSize() uint16 { func (rr *RR_OPT) UDPSize() uint16 {
return rr.Hdr.Class return rr.Hdr.Class
} }
// Set the UDP buffer size/ // SetUDPSize sets the UDP buffer size.
func (rr *RR_OPT) SetUDPSize(size uint16) { func (rr *RR_OPT) SetUDPSize(size uint16) {
rr.Hdr.Class = size rr.Hdr.Class = size
} }
@ -113,7 +112,7 @@ func (rr *RR_OPT) SetUDPSize(size uint16) {
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/ */
// Get the DO bit. // Do gets the value of the DO (DNSSEC OK) bit.
func (rr *RR_OPT) Do() bool { func (rr *RR_OPT) Do() bool {
return byte(rr.Hdr.Ttl>>8)&_DO == _DO return byte(rr.Hdr.Ttl>>8)&_DO == _DO
} }
@ -134,7 +133,7 @@ func (rr *RR_OPT) Nsid() string {
} }
// SetNsid sets the NSID from a hex character string. // SetNsid sets the NSID from a hex character string.
// Use the empty string when requesting NSID. // Use the empty string when requesting an NSID.
func (rr *RR_OPT) SetNsid(hexnsid string) { func (rr *RR_OPT) SetNsid(hexnsid string) {
rr.Option = make([]Option, 1) // TODO(mg) check length first? rr.Option = make([]Option, 1) // TODO(mg) check length first?
rr.Option[0].Code = OptionCodeNSID rr.Option[0].Code = OptionCodeNSID