VILLASnode/include/villas/formats/raw.hpp

/* RAW IO format.
 *
 * Author: Steffen Vogel <post@steffenvogel.de>
 * SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
 * SPDX-License-Identifier: Apache-2.0
 */

#pragma once

#include <sstream>
#include <cstdlib>

#include <villas/format.hpp>

// float128 is currently not yet supported as htole128() functions a missing
#if 0 && defined(__GNUC__) && defined(__linux__)
  #define HAS_128BIT
#endif

namespace villas {
namespace node {

// Forward declarations
struct Sample;

class RawFormat : public BinaryFormat {

public:
	enum Endianess {
		BIG,
		LITTLE
	};

protected:

	enum Endianess endianess;
	int bits;
	bool fake;

public:
	RawFormat(int fl, int b = 32, enum Endianess e = Endianess::LITTLE) :
		BinaryFormat(fl),
		endianess(e),
		bits(b),
		fake(false)
	{
		if (fake)
			flags |= (int) SampleFlags::HAS_SEQUENCE | (int) SampleFlags::HAS_TS_ORIGIN;
	}

	virtual
	int sscan(const char *buf, size_t len, size_t *rbytes, struct Sample * const smps[], unsigned cnt);
	virtual
	int sprint(char *buf, size_t len, size_t *wbytes, const struct Sample * const smps[], unsigned cnt);

	virtual
	void parse(json_t *json);
};

class GtnetRawFormat : public RawFormat {

public:
	GtnetRawFormat(int fl) :
		RawFormat(fl, 32, Endianess::BIG)
	{ }
};

} // namespace node
} // namespace villas