2021-05-10 00:12:30 +02:00
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/* JSON serializtion sample data.
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*
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2022-03-15 09:18:01 -04:00
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* Author: Steffen Vogel <post@steffenvogel.de>
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2022-03-15 09:28:57 -04:00
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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2022-07-04 18:20:03 +02:00
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* SPDX-License-Identifier: Apache-2.0
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2021-05-10 00:12:30 +02:00
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*/
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#pragma once
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#include <jansson.h>
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#include <villas/format.hpp>
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namespace villas {
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namespace node {
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2021-08-10 10:12:48 -04:00
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// Forward declarations
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struct Sample;
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2021-05-10 00:12:30 +02:00
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class JsonFormat : public Format {
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protected:
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2023-09-07 11:46:39 +02:00
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static enum SignalType detect(const json_t *val);
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2021-05-10 00:12:30 +02:00
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2023-09-13 10:25:50 +02:00
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json_t *packFlags(const struct Sample *smp);
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int unpackFlags(json_t *json_ts, struct Sample *smp);
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2023-09-07 11:46:39 +02:00
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json_t *packTimestamps(const struct Sample *smp);
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int unpackTimestamps(json_t *json_ts, struct Sample *smp);
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2021-05-10 00:12:30 +02:00
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2023-09-07 11:46:39 +02:00
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virtual int packSample(json_t **j, const struct Sample *smp);
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virtual int packSamples(json_t **j, const struct Sample *const smps[],
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unsigned cnt);
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virtual int unpackSample(json_t *json_smp, struct Sample *smp);
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virtual int unpackSamples(json_t *json_smps, struct Sample *const smps[],
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unsigned cnt);
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2021-05-10 00:12:30 +02:00
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2023-09-07 11:46:39 +02:00
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int dump_flags;
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2021-05-10 00:12:30 +02:00
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public:
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2023-09-07 11:46:39 +02:00
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JsonFormat(int fl) : Format(fl), dump_flags(0) {}
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virtual int sscan(const char *buf, size_t len, size_t *rbytes,
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struct Sample *const smps[], unsigned cnt);
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virtual int sprint(char *buf, size_t len, size_t *wbytes,
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const struct Sample *const smps[], unsigned cnt);
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virtual int print(FILE *f, const struct Sample *const smps[], unsigned cnt);
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virtual int scan(FILE *f, struct Sample *const smps[], unsigned cnt);
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virtual void parse(json_t *json);
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2021-05-10 00:12:30 +02:00
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};
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2023-08-28 09:34:02 +02:00
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} // namespace node
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} // namespace villas
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