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VILLASnode/include/villas/nodes/loopback.hpp

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/* Node-type for loopback connections.
*
2022-03-15 09:18:01 -04:00
* Author: Steffen Vogel <post@steffenvogel.de>
2022-03-15 09:28:57 -04:00
* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
2022-07-04 18:20:03 +02:00
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <jansson.h>
#include <villas/queue_signalled.h>
namespace villas {
namespace node {
class LoopbackNode : public Node {
protected:
int queuelen;
struct CQueueSignalled queue;
enum QueueSignalledMode mode;
virtual int _write(struct Sample *smps[], unsigned cnt);
virtual int _read(struct Sample *smps[], unsigned cnt);
public:
LoopbackNode(const uuid_t &id = {}, const std::string &name = "");
virtual ~LoopbackNode();
virtual int prepare();
virtual int stop();
virtual std::vector<int> getPollFDs();
virtual const std::string &getDetails();
virtual int parse(json_t *json);
};
} // namespace node
} // namespace villas