WIP: middleware/dnstap (#711)

middleware/dnstap add

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

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2014 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
+
+const outputChannelSize = 32
+
+var FSContentType = []byte("protobuf:dnstap.Dnstap")
+
+type Input interface {
+	ReadInto(chan []byte)
+	Wait()
+}
+
+type Output interface {
+	GetOutputChannel() chan []byte
+	RunOutputLoop()
+	Close()
+}