mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-23 00:00:01 +01:00
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/** Node direction
|
|
*
|
|
* @file
|
|
* @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 <jansson.h>
|
|
|
|
#include <villas/common.hpp>
|
|
#include <villas/list.hpp>
|
|
#include <villas/signal_list.hpp>
|
|
#include <villas/hook_list.hpp>
|
|
|
|
namespace villas {
|
|
namespace node {
|
|
|
|
/* Forward declarations */
|
|
class Node;
|
|
class Path;
|
|
|
|
class NodeDirection {
|
|
friend Node;
|
|
|
|
public:
|
|
enum class Direction {
|
|
IN, /**< VILLASnode is receiving/reading */
|
|
OUT /**< VILLASnode is sending/writing */
|
|
} direction;
|
|
|
|
/** The path which uses this node as a source/destination.
|
|
*
|
|
* Usually every node should be used only by a single path as destination.
|
|
* Otherwise samples from different paths would be interleaved.
|
|
*/
|
|
Path *path;
|
|
Node *node;
|
|
|
|
int enabled;
|
|
int builtin; /**< This node should use built-in hooks by default. */
|
|
unsigned vectorize; /**< Number of messages to send / recv at once (scatter / gather) */
|
|
|
|
HookList hooks; /**< List of read / write hooks (struct hook). */
|
|
SignalList::Ptr signals; /**< Signal description. */
|
|
|
|
json_t *config; /**< A JSON object containing the configuration of the node. */
|
|
|
|
NodeDirection(enum NodeDirection::Direction dir, Node *n);
|
|
|
|
int parse(json_t *json);
|
|
void check();
|
|
int prepare();
|
|
int start();
|
|
int stop();
|
|
|
|
SignalList::Ptr getSignals(int after_hooks = true) const;
|
|
|
|
unsigned getSignalsMaxCount() const;
|
|
};
|
|
|
|
} /* namespace node */
|
|
} /* namespace villas */
|