1
0
Fork 0
mirror of https://git.rwth-aachen.de/acs/public/villas/node/ synced 2025-03-16 00:00:02 +01:00
VILLASnode/include/villas/formats/json.hpp

66 lines
2.1 KiB
C++

/** JSON serializtion sample data.
*
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
* @copyright 2014-2020, 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 <jansson.h>
#include <villas/format.hpp>
/* Forward declarations */
struct sample;
namespace villas {
namespace node {
class JsonFormat : public Format {
protected:
static enum SignalType detect(const json_t *val);
json_t * packTimestamps(const struct sample *smp);
int unpackTimestamps(json_t *json_ts, struct sample *smp);
virtual int packSample(json_t **j, const struct sample *smp);
virtual int packSamples(json_t **j, const struct sample * const smps[], unsigned cnt);
virtual int unpackSample(json_t *json_smp, struct sample *smp);
virtual int unpackSamples(json_t *json_smps, struct sample * const smps[], unsigned cnt);
int dump_flags;
public:
JsonFormat(int fl) :
Format(fl),
dump_flags(0)
{ }
int sscan(const char *buf, size_t len, size_t *rbytes, struct sample * const smps[], unsigned cnt);
int sprint(char *buf, size_t len, size_t *wbytes, const struct sample * const smps[], unsigned cnt);
int print(FILE *f, const struct sample * const smps[], unsigned cnt);
int scan(FILE *f, struct sample * const smps[], unsigned cnt);
virtual void parse(json_t *json);
};
} /* namespace node */
} /* namespace villas */