mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
/* A custom format for OPAL-RTs AsyncIP example.
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*
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* Author: Steffen Vogel <post@steffenvogel.de>
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <cstdlib>
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#include <villas/format.hpp>
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namespace villas {
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namespace node {
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// Forward declarations
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struct Sample;
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class OpalAsyncIPFormat : public BinaryFormat {
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protected:
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const unsigned MAXSIZE = 64;
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struct Payload {
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int16_t dev_id; // (2 bytes) Sender device ID
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int32_t msg_id; // (4 bytes) Message ID
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int16_t msg_len; // (2 bytes) Message length (data only)
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double data[]; // Up to MAXSIZE doubles (8 bytes each)
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} __attribute__((packed));
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int16_t dev_id;
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public:
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OpalAsyncIPFormat(int fl, uint8_t did = 0) :
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BinaryFormat(fl),
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dev_id(did)
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{ }
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virtual
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int sscan(const char *buf, size_t len, size_t *rbytes, struct Sample * const smps[], unsigned cnt);
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virtual
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int sprint(char *buf, size_t len, size_t *wbytes, const struct Sample * const smps[], unsigned cnt);
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virtual
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void parse(json_t *json);
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};
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class OpalAsyncIPFormatPlugin : public FormatFactory {
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public:
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using FormatFactory::FormatFactory;
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virtual
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Format * make()
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{
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return new OpalAsyncIPFormat((int) SampleFlags::HAS_SEQUENCE | (int) SampleFlags::HAS_DATA);
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}
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/// Get plugin name
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virtual
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std::string getName() const
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{
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return "opal.asyncip";
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}
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/// Get plugin description
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virtual
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std::string getDescription() const
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{
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return "OPAL-RTs AsyncIP example format";
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}
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};
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} // namespace node
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} // namespace villas
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