2023-09-04 12:21:37 +02:00
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/* Node C-API.
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2022-03-06 21:12:57 -05:00
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*
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2022-03-15 09:18:01 -04:00
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* Author: Steffen Vogel <post@steffenvogel.de>
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2022-03-06 21:12:57 -05:00
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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2022-07-04 18:20:03 +02:00
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* SPDX-License-Identifier: Apache-2.0
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2022-03-06 21:12:57 -05:00
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*/
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#pragma once
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#include <stdbool.h>
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#include <jansson.h>
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typedef void *vnode;
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typedef void *vsample;
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2023-06-30 10:51:01 +02:00
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vnode *node_new(const char *id_str, const char *json_str);
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2022-03-06 21:12:57 -05:00
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int node_prepare(vnode *n);
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int node_check(vnode *n);
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int node_start(vnode *n);
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int node_stop(vnode *n);
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int node_pause(vnode *n);
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int node_resume(vnode *n);
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int node_restart(vnode *n);
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int node_destroy(vnode *n);
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const char *node_name(vnode *n);
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const char *node_name_short(vnode *n);
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const char *node_name_full(vnode *n);
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const char *node_details(vnode *n);
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unsigned node_input_signals_max_cnt(vnode *n);
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unsigned node_output_signals_max_cnt(vnode *n);
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int node_reverse(vnode *n);
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int node_read(vnode *n, vsample **smps, unsigned cnt);
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int node_write(vnode *n, vsample **smps, unsigned cnt);
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int node_poll_fds(vnode *n, int fds[]);
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int node_netem_fds(vnode *n, int fds[]);
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bool node_is_valid_name(const char *name);
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bool node_is_enabled(const vnode *n);
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json_t *node_to_json(const vnode *n);
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const char *node_to_json_str(vnode *n);
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vsample *sample_alloc(unsigned len);
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unsigned sample_length(vsample *smp);
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void sample_decref(vsample *smp);
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vsample *sample_pack(unsigned seq, struct timespec *ts_origin,
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struct timespec *ts_received, unsigned len,
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double *values);
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void sample_unpack(vsample *s, unsigned *seq, struct timespec *ts_origin,
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struct timespec *ts_received, int *flags, unsigned *len,
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double *values);
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int memory_init(int hugepages);
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