VILLASnode/include/villas/formats/json_kafka.hpp

/** JSON serializtion for Kafka schema/payloads.
 *
 * @author Steffen Vogel <svogel2@eonerc.rwth-aachen.de>
 * @copyright 2014-2022, Institute for Automation of Complex Power Systems, EONERC
 * @license GNU General Public License (version 3)
 *
 * VILLASnode
 *
 * 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
 * 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/>.
 *********************************************************************************/

#pragma once

#include <villas/signal_type.hpp>
#include <villas/formats/json.hpp>

namespace villas {
namespace node {

class JsonKafkaFormat : public JsonFormat {

protected:
	virtual
	int packSample(json_t **j, const struct Sample *smp);
	virtual
	int unpackSample(json_t *json_smp, struct Sample *smp);

	const char * villasToKafkaType(enum SignalType vt);

	json_t *json_schema;

public:
	JsonKafkaFormat(int fl);

	virtual
	void parse(json_t *json);
};

} /* namespace node */
} /* namespace villas */