src/rrdsetvar.c

   1 #define NETDATA_HEALTH_INTERNALS
   2 #include "common.h"
   3
   4 // ----------------------------------------------------------------------------
   5 // RRDSETVAR management
   6 // CHART VARIABLES
   7
   8 static inline void rrdsetvar_free_variables(RRDSETVAR *rs) {
   9     RRDSET *st = rs->rrdset;
  10
  11     // CHART
  12
  13     rrdvar_free(st->rrdhost, &st->variables_root_index, rs->var_local);
  14     rs->var_local = NULL;
  15
  16     // FAMILY
  17
  18     rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family);
  19     rs->var_family = NULL;
  20
  21     rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host);
  22     rs->var_host = NULL;
  23
  24     // HOST
  25
  26     rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_name);
  27     rs->var_family_name = NULL;
  28
  29     rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_name);
  30     rs->var_host_name = NULL;
  31
  32     // KEYS
  33
  34     freez(rs->key_fullid);
  35     rs->key_fullid = NULL;
  36
  37     freez(rs->key_fullname);
  38     rs->key_fullname = NULL;
  39 }
  40
  41 static inline void rrdsetvar_create_variables(RRDSETVAR *rs) {
  42     rrdsetvar_free_variables(rs);
  43
  44     RRDSET *st = rs->rrdset;
  45
  46     // KEYS
  47
  48     char buffer[RRDVAR_MAX_LENGTH + 1];
  49     snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->id, rs->variable);
  50     rs->key_fullid = strdupz(buffer);
  51
  52     snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->name, rs->variable);
  53     rs->key_fullname = strdupz(buffer);
  54
  55     // CHART
  56
  57     rs->var_local       = rrdvar_create_and_index("local",  &st->variables_root_index,               rs->variable, rs->type, rs->value);
  58
  59     // FAMILY
  60
  61     rs->var_family      = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index,    rs->key_fullid,   rs->type, rs->value);
  62     rs->var_family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index,    rs->key_fullname, rs->type, rs->value);
  63
  64     // HOST
  65
  66     rs->var_host        = rrdvar_create_and_index("host",   &st->rrdhost->variables_root_index,      rs->key_fullid,   rs->type, rs->value);
  67     rs->var_host_name   = rrdvar_create_and_index("host",   &st->rrdhost->variables_root_index,      rs->key_fullname, rs->type, rs->value);
  68
  69 }
  70
  71 RRDSETVAR *rrdsetvar_create(RRDSET *st, const char *variable, int type, void *value, uint32_t options) {
  72     debug(D_VARIABLES, "RRDVARSET create for chart id '%s' name '%s' with variable name '%s'", st->id, st->name, variable);
  73     RRDSETVAR *rs = (RRDSETVAR *)callocz(1, sizeof(RRDSETVAR));
  74
  75     rs->variable = strdupz(variable);
  76     rs->type = type;
  77     rs->value = value;
  78     rs->options = options;
  79     rs->rrdset = st;
  80
  81     rs->next = st->variables;
  82     st->variables = rs;
  83
  84     rrdsetvar_create_variables(rs);
  85
  86     return rs;
  87 }
  88
  89 void rrdsetvar_rename_all(RRDSET *st) {
  90     debug(D_VARIABLES, "RRDSETVAR rename for chart id '%s' name '%s'", st->id, st->name);
  91
  92     RRDSETVAR *rs, *next = st->variables;
  93     while((rs = next)) {
  94         next = rs->next;
  95         rrdsetvar_create_variables(rs);
  96     }
  97
  98     rrdsetcalc_link_matching(st);
  99 }
 100
 101 void rrdsetvar_free(RRDSETVAR *rs) {
 102     RRDSET *st = rs->rrdset;
 103     debug(D_VARIABLES, "RRDSETVAR free for chart id '%s' name '%s', variable '%s'", st->id, st->name, rs->variable);
 104
 105     if(st->variables == rs) {
 106         st->variables = rs->next;
 107     }
 108     else {
 109         RRDSETVAR *t;
 110         for (t = st->variables; t && t->next != rs; t = t->next);
 111         if(!t) error("RRDSETVAR '%s' not found in chart '%s' variables linked list", rs->key_fullname, st->id);
 112         else t->next = rs->next;
 113     }
 114
 115     rrdsetvar_free_variables(rs);
 116
 117     freez(rs->variable);
 118     freez(rs);
 119 }
 120