src/rrdcalctemplate.c

   1 #define NETDATA_HEALTH_INTERNALS
   2 #include "common.h"
   3
   4 // ----------------------------------------------------------------------------
   5 // RRDCALCTEMPLATE management
   6
   7 void rrdcalctemplate_link_matching(RRDSET *st) {
   8     RRDCALCTEMPLATE *rt;
   9
  10     for(rt = st->rrdhost->templates; rt ; rt = rt->next) {
  11         if(rt->hash_context == st->hash_context && !strcmp(rt->context, st->context)
  12            && (!rt->family_pattern || simple_pattern_matches(rt->family_pattern, st->family))) {
  13             RRDCALC *rc = rrdcalc_create(st->rrdhost, rt, st->id);
  14             if(unlikely(!rc))
  15                 error("Health tried to create alarm from template '%s', but it failed", rt->name);
  16
  17 #ifdef NETDATA_INTERNAL_CHECKS
  18             else if(rc->rrdset != st)
  19                 error("Health alarm '%s.%s' should be linked to chart '%s', but it is not", rc->chart?rc->chart:"NOCHART", rc->name, st->id);
  20 #endif
  21         }
  22     }
  23 }
  24
  25 inline void rrdcalctemplate_free(RRDHOST *host, RRDCALCTEMPLATE *rt) {
  26     if(unlikely(!rt)) return;
  27
  28     debug(D_HEALTH, "Health removing template '%s' of host '%s'", rt->name, host->hostname);
  29
  30     if(host->templates == rt) {
  31         host->templates = rt->next;
  32     }
  33     else {
  34         RRDCALCTEMPLATE *t;
  35         for (t = host->templates; t && t->next != rt; t = t->next ) ;
  36         if(t) {
  37             t->next = rt->next;
  38             rt->next = NULL;
  39         }
  40         else
  41             error("Cannot find RRDCALCTEMPLATE '%s' linked in host '%s'", rt->name, host->hostname);
  42     }
  43
  44     expression_free(rt->calculation);
  45     expression_free(rt->warning);
  46     expression_free(rt->critical);
  47
  48     freez(rt->family_match);
  49     simple_pattern_free(rt->family_pattern);
  50
  51     freez(rt->name);
  52     freez(rt->exec);
  53     freez(rt->recipient);
  54     freez(rt->context);
  55     freez(rt->source);
  56     freez(rt->units);
  57     freez(rt->info);
  58     freez(rt->dimensions);
  59     freez(rt);
  60 }
  61
  62