mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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68 lines
No EOL
1.5 KiB
C
68 lines
No EOL
1.5 KiB
C
/** Hook-releated functions.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2016, Institute for Automation of Complex Power Systems, EONERC
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*********************************************************************************/
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#include <string.h>
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#include <math.h>
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#include "timing.h"
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#include "config.h"
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#include "msg.h"
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#include "hooks.h"
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#include "path.h"
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#include "utils.h"
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#include "node.h"
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struct list hooks;
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/* Those references can be used inside the hook callbacks after initializing them with hook_init() */
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struct list *hook_nodes = NULL;
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struct list *hook_paths = NULL;
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struct settings *hook_settings = NULL;
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void hook_init(struct list *nodes, struct list *paths, struct settings *set)
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{
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hook_nodes = nodes;
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hook_paths = paths;
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hook_settings = set;
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}
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int hooks_sort_priority(const void *a, const void *b) {
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struct hook *ha = (struct hook *) a;
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struct hook *hb = (struct hook *) b;
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return ha->priority - hb->priority;
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}
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int hook_run(struct path *p, struct sample *smps[], size_t cnt, int when)
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{
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list_foreach(struct hook *h, &p->hooks) {
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if (h->type & when) {
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debug(DBG_HOOK | 22, "Running hook when=%u '%s' prio=%u, cnt=%zu", when, h->name, h->priority, cnt);
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cnt = h->cb(p, h, when, smps, cnt);
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if (cnt == 0)
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break;
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}
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}
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return cnt;
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}
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void * hook_storage(struct hook *h, int when, size_t len)
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{
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switch (when) {
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case HOOK_INIT:
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h->_vd = alloc(len);
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break;
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case HOOK_DEINIT:
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free(h->_vd);
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h->_vd = NULL;
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break;
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}
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return h->_vd;
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} |