mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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0735eb0f89
And various other cleanups and harmonizations Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
50 lines
926 B
C++
50 lines
926 B
C++
/* Rate-limiting hook.
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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 <villas/hook.hpp>
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namespace villas {
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namespace node {
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class LimitRateHook : public LimitHook {
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protected:
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// The timestamp which should be used for limiting.
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enum {
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LIMIT_RATE_LOCAL,
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LIMIT_RATE_RECEIVED,
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LIMIT_RATE_ORIGIN
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} mode;
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double deadtime;
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timespec last;
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public:
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LimitRateHook(Path *p, Node *n, int fl, int prio, bool en = true) :
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LimitHook(p, n, fl, prio, en),
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mode(LIMIT_RATE_LOCAL),
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deadtime(0),
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last({0, 0})
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{ }
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virtual
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void setRate(double rate, double maxRate = -1)
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{
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deadtime = 1.0 / rate;
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}
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virtual
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void parse(json_t *json);
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virtual
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Hook::Reason process(struct Sample *smp);
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};
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} // namespace node
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} // namespace villas
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