coredns/plugin/dnssec/cache.go
Miek Gieben d8714e64e4 Remove the word middleware (#1067)
* Rename middleware to plugin

first pass; mostly used 'sed', few spots where I manually changed
text.

This still builds a coredns binary.

* fmt error

* Rename AddMiddleware to AddPlugin

* Readd AddMiddleware to remain backwards compat
2017-09-14 09:36:06 +01:00

22 lines
354 B
Go

package dnssec
import (
"hash/fnv"
"github.com/miekg/dns"
)
// hash serializes the RRset and return a signature cache key.
func hash(rrs []dns.RR) uint32 {
h := fnv.New32()
buf := make([]byte, 256)
for _, r := range rrs {
off, err := dns.PackRR(r, buf, 0, nil, false)
if err == nil {
h.Write(buf[:off])
}
}
i := h.Sum32()
return i
}