a5c405f6d7
Ditch our truncation code and use the upstream one in miekg/dns. This saves code on our end, end upstream is also more efficient as every RR is Len-ed only once. With our bin-search this is not guaranteed. Signed-off-by: Miek Gieben <miek@miek.nl>
21 lines
725 B
Go
21 lines
725 B
Go
package request
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import "github.com/miekg/dns"
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// ScrubWriter will, when writing the message, call scrub to make it fit the client's buffer.
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type ScrubWriter struct {
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dns.ResponseWriter
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req *dns.Msg // original request
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}
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// NewScrubWriter returns a new and initialized ScrubWriter.
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func NewScrubWriter(req *dns.Msg, w dns.ResponseWriter) *ScrubWriter { return &ScrubWriter{w, req} }
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// WriteMsg overrides the default implementation of the underlying dns.ResponseWriter and calls
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// scrub on the message m and will then write it to the client.
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func (s *ScrubWriter) WriteMsg(m *dns.Msg) error {
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state := Request{Req: s.req, W: s.ResponseWriter}
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state.SizeAndDo(m)
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state.Scrub(m)
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return s.ResponseWriter.WriteMsg(m)
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}
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