/*
* Copyright (c) 2019 by Farsight Security, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dnstap
import (
"github.com/golang/protobuf/proto"
)
// An Encoder serializes and writes Dnstap messages to an underlying
// dnstap Writer
type Encoder struct {
w Writer
}
// NewEncoder creates an Encoder using the given dnstap Writer
func NewEncoder(w Writer) *Encoder {
return &Encoder{w}
}
// Encode serializes and writes the Dnstap message m to the encoder's
// Writer.
func (e *Encoder) Encode(m *Dnstap) error {
b, err := proto.Marshal(m)
if err != nil {
return err
}
_, err = e.w.WriteFrame(b)
return err
}