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+/* Copyright (C) 2014 Farsight Security, Inc. <software@farsightsecurity.com>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+/*!
+ * \author Robert Edmonds <edmonds@fsi.io>
+ *
+ * \brief Public interface for dnstap.
+ */
+
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "contrib/dnstap/dnstap.pb-c.h"
+
+/*! \brief Frame Streams "Content Type" value for dnstap. */
+#define DNSTAP_CONTENT_TYPE "protobuf:dnstap.Dnstap"
+
+/*!
+ * \brief Serializes a filled out dnstap protobuf struct. Dynamically allocates
+ * storage for the serialized frame.
+ *
+ * \note This function returns a copy of its parameter return value 'buf' to
+ * make error checking slightly easier.
+ *
+ * \param d dnstap protobuf struct.
+ * \param[out] buf Serialized frame.
+ * \param[out] sz Size in bytes of the serialized frame.
+ *
+ * \return Serialized frame.
+ * \retval NULL if error.
+ */
+uint8_t* dt_pack(const Dnstap__Dnstap *d, uint8_t **buf, size_t *sz);