feat: add vendor

vendor/github.com/dnstap/golang-dnstap/Encoder.go

@@ -0,0 +1,44 @@
+/*
+ * 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 (
+	"google.golang.org/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
+}