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VILLASnode/include/villas/nodes/loopback_internal.hpp
Steffen Vogel a2d55a9b6e Harmonize descriptions of plugins
Signed-off-by: Steffen Vogel <post@steffenvogel.de>
2024-04-10 09:06:15 +02:00

64 lines
1.5 KiB
C++

/* Node type: internal loopback.
*
* 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 <villas/node.hpp>
#include <villas/queue_signalled.h>
namespace villas {
namespace node {
class InternalLoopbackNode : public Node {
protected:
unsigned queuelen;
struct CQueueSignalled queue;
Node *source;
virtual int _write(struct Sample *smps[], unsigned cnt);
virtual int _read(struct Sample *smps[], unsigned cnt);
public:
InternalLoopbackNode(Node *src, unsigned id = 0,
unsigned ql = DEFAULT_QUEUE_LENGTH);
virtual ~InternalLoopbackNode();
virtual std::vector<int> getPollFDs();
virtual int stop();
};
class InternalLoopbackNodeFactory : public NodeFactory {
public:
using NodeFactory::NodeFactory;
virtual Node *make(const uuid_t &id = {}, const std::string &name = "") {
return nullptr;
}
virtual int getFlags() const {
return (int)NodeFactory::Flags::INTERNAL |
(int)NodeFactory::Flags::PROVIDES_SIGNALS |
(int)NodeFactory::Flags::SUPPORTS_READ |
(int)NodeFactory::Flags::SUPPORTS_WRITE |
(int)NodeFactory::Flags::SUPPORTS_POLL;
}
virtual std::string getName() const { return "loopback.internal"; }
virtual std::string getDescription() const {
return "Internal loopback node";
}
};
} // namespace node
} // namespace villas