41 lines
857 B
Go
41 lines
857 B
Go
package dnstap
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import (
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"io"
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"time"
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tap "github.com/dnstap/golang-dnstap"
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fs "github.com/farsightsec/golang-framestream"
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"google.golang.org/protobuf/proto"
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)
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// encoder wraps a golang-framestream.Encoder.
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type encoder struct {
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fs *fs.Encoder
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}
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func newEncoder(w io.Writer, timeout time.Duration) (*encoder, error) {
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fs, err := fs.NewEncoder(w, &fs.EncoderOptions{
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ContentType: []byte("protobuf:dnstap.Dnstap"),
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Bidirectional: true,
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Timeout: timeout,
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})
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if err != nil {
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return nil, err
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}
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return &encoder{fs}, nil
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}
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func (e *encoder) writeMsg(msg *tap.Dnstap) error {
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buf, err := proto.Marshal(msg)
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if err != nil {
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return err
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}
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_, err = e.fs.Write(buf) // n < len(buf) should return an error?
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return err
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}
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func (e *encoder) flush() error { return e.fs.Flush() }
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func (e *encoder) close() error { return e.fs.Close() }
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