mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-23 00:00:01 +01:00
46 lines
979 B
C++
46 lines
979 B
C++
/** Rate-limiting hook.
|
|
*
|
|
* @author Steffen Vogel <svogel2@eonerc.rwth-aachen.de>
|
|
* @copyright 2014-2022, Institute for Automation of Complex Power Systems, EONERC
|
|
* @license Apache 2.0
|
|
*********************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <villas/hook.hpp>
|
|
|
|
namespace villas {
|
|
namespace node {
|
|
|
|
class LimitRateHook : public LimitHook {
|
|
|
|
protected:
|
|
enum {
|
|
LIMIT_RATE_LOCAL,
|
|
LIMIT_RATE_RECEIVED,
|
|
LIMIT_RATE_ORIGIN
|
|
} mode; /**< The timestamp which should be used for limiting. */
|
|
|
|
double deadtime;
|
|
timespec last;
|
|
|
|
public:
|
|
LimitRateHook(Path *p, Node *n, int fl, int prio, bool en = true) :
|
|
LimitHook(p, n, fl, prio, en),
|
|
mode(LIMIT_RATE_LOCAL),
|
|
deadtime(0),
|
|
last({0, 0})
|
|
{ }
|
|
|
|
virtual void setRate(double rate, double maxRate = -1)
|
|
{
|
|
deadtime = 1.0 / rate;
|
|
}
|
|
|
|
virtual void parse(json_t *json);
|
|
|
|
virtual Hook::Reason process(struct Sample *smp);
|
|
};
|
|
|
|
} /* namespace node */
|
|
} /* namespace villas */
|