56 lines
1 KiB
Go
56 lines
1 KiB
Go
package proxy
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import (
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"context"
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"time"
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"github.com/coredns/coredns/plugin/dnstap"
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"github.com/coredns/coredns/plugin/dnstap/msg"
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"github.com/coredns/coredns/request"
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tap "github.com/dnstap/golang-dnstap"
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"github.com/miekg/dns"
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)
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func toDnstap(ctx context.Context, host string, ex Exchanger, state request.Request, reply *dns.Msg, start time.Time) error {
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tapper := dnstap.TapperFromContext(ctx)
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if tapper == nil {
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return nil
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}
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// Query
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b := msg.New().Time(start).HostPort(host)
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t := ex.Transport()
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if t == "" {
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t = state.Proto()
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}
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if t == "tcp" {
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b.SocketProto = tap.SocketProtocol_TCP
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} else {
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b.SocketProto = tap.SocketProtocol_UDP
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}
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if tapper.Pack() {
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b.Msg(state.Req)
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}
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m, err := b.ToOutsideQuery(tap.Message_FORWARDER_QUERY)
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if err != nil {
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return err
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}
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tapper.TapMessage(m)
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// Response
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if reply != nil {
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if tapper.Pack() {
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b.Msg(reply)
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}
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m, err := b.Time(time.Now()).ToOutsideResponse(tap.Message_FORWARDER_RESPONSE)
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if err != nil {
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return err
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}
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tapper.TapMessage(m)
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}
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return nil
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}
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