cloudflared-mirror/vendor/github.com/coredns/coredns/request/writer.go

22 lines
725 B
Go

package request
import "github.com/miekg/dns"
// ScrubWriter will, when writing the message, call scrub to make it fit the client's buffer.
type ScrubWriter struct {
dns.ResponseWriter
req *dns.Msg // original request
}
// NewScrubWriter returns a new and initialized ScrubWriter.
func NewScrubWriter(req *dns.Msg, w dns.ResponseWriter) *ScrubWriter { return &ScrubWriter{w, req} }
// WriteMsg overrides the default implementation of the underlying dns.ResponseWriter and calls
// scrub on the message m and will then write it to the client.
func (s *ScrubWriter) WriteMsg(m *dns.Msg) error {
state := Request{Req: s.req, W: s.ResponseWriter}
state.SizeAndDo(m)
state.Scrub(m)
return s.ResponseWriter.WriteMsg(m)
}