mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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116 lines
No EOL
2.3 KiB
C
116 lines
No EOL
2.3 KiB
C
/** Statistic hooks.
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*
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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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*********************************************************************************/
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/** @addtogroup hooks Hook functions
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* @{
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*/
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#include "hook.h"
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#include "plugin.h"
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#include "stats.h"
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#include "path.h"
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static int hook_stats(struct hook *h, int when, struct hook_info *j)
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{
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struct stats *s = hook_storage(h, when, sizeof(struct stats), (ctor_cb_t) stats_init, (dtor_cb_t) stats_destroy);
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switch (when) {
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case HOOK_INIT:
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if (j->path)
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j->path->stats = s;
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break;
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case HOOK_READ:
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assert(j->smps);
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stats_collect(s->delta, j->smps, j->cnt);
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stats_commit(s, s->delta);
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break;
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case HOOK_PATH_STOP:
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stats_print(s, 1);
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break;
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case HOOK_PATH_RESTART:
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stats_reset(s);
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break;
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case HOOK_PERIODIC:
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assert(j->path);
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stats_print_periodic(s, j->path);
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break;
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}
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return j->cnt;
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}
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/** @todo This is untested */
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static int hook_stats_send(struct hook *h, int when, struct hook_info *j)
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{
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struct private {
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struct node *dest;
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struct stats *stats;
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int ratio;
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} *private = hook_storage(h, when, sizeof(*private), NULL, NULL);
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switch (when) {
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case HOOK_INIT:
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assert(j->nodes);
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assert(j->path);
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if (!h->parameter)
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error("Missing parameter for hook '%s'", h->name);
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private->dest = list_lookup(j->nodes, h->parameter);
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if (!private->dest)
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error("Invalid destination node '%s' for hook '%s'", h->parameter, h->name);
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break;
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case HOOK_PATH_START:
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node_start(private->dest);
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break;
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case HOOK_PATH_STOP:
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node_stop(private->dest);
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break;
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case HOOK_READ:
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stats_send(private->stats, private->dest);
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break;
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}
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return 0;
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}
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static struct plugin p1 = {
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.name = "stats",
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.description = "Collect statistics for the current path",
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.type = PLUGIN_TYPE_HOOK,
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.hook = {
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.priority = 2,
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.history = 1,
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.cb = hook_stats,
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.type = HOOK_STORAGE | HOOK_PATH | HOOK_READ | HOOK_PERIODIC
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}
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};
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static struct plugin p2 = {
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.name = "stats_send",
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.description = "Send path statistics to another node",
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.type = PLUGIN_TYPE_HOOK,
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.hook = {
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.priority = 99,
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.history = 0,
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.cb = hook_stats_send,
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.type = HOOK_STORAGE | HOOK_PATH | HOOK_READ
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}
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};
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REGISTER_PLUGIN(&p1)
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REGISTER_PLUGIN(&p2)
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/** @} */ |