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https://git.rwth-aachen.de/acs/public/villas/node/
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103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/** Sample value remapping for mux.
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#pragma once
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#include <jansson.h>
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#include <villas/stats.h>
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#include <villas/common.h>
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#include <villas/list.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Forward declarations */
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struct stats;
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struct node;
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struct sample;
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struct list;
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struct mapping_entry {
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struct node *node;
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int offset; /**< Offset of this mapping entry within sample::data */
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int length; /**< The number of values which is covered by this mapping entry. */
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enum {
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MAPPING_TYPE_DATA,
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MAPPING_TYPE_STATS,
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MAPPING_TYPE_HDR,
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MAPPING_TYPE_TS
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} type;
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union {
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struct {
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int offset;
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} data;
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struct {
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enum stats_id id;
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enum stats_type {
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MAPPING_STATS_TYPE_LAST,
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MAPPING_STATS_TYPE_HIGHEST,
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MAPPING_STATS_TYPE_LOWEST,
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MAPPING_STATS_TYPE_MEAN,
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MAPPING_STATS_TYPE_VAR,
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MAPPING_STATS_TYPE_STDDEV,
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MAPPING_STATS_TYPE_TOTAL
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} type;
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} stats;
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struct {
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enum header_type {
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MAPPING_HDR_LENGTH,
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MAPPING_HDR_SEQUENCE,
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MAPPING_HDR_FORMAT
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} id;
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} hdr;
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struct {
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enum timestamp_type {
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MAPPING_TS_ORIGIN,
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MAPPING_TS_RECEIVED,
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MAPPING_TS_SEND
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} id;
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} ts;
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};
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};
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int mapping_remap(struct list *m, struct sample *remapped, struct sample *original, struct stats *s);
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int mapping_update(struct mapping_entry *e, struct sample *remapped, struct sample *original, struct stats *s);
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int mapping_parse(struct mapping_entry *e, json_t *cfg, struct list *nodes);
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int mapping_parse_str(struct mapping_entry *e, const char *str, struct list *nodes);
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int mapping_parse_list(struct list *l, json_t *cfg, struct list *nodes);
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#ifdef __cplusplus
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}
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#endif
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