static inline ssize_t health_alarm_log_read(RRDHOST *host, FILE *fp, const char *filename) {
static uint32_t max_unique_id = 0, max_alarm_id = 0;
- ssize_t loaded = -1, updated = -1, errored = -1, duplicate = -1;
errno = 0;
char *s, *buf = mallocz(65536 + 1);
size_t line = 0, len = 0;
- loaded = updated = errored = duplicate = 0;
+ ssize_t loaded = 0, updated = 0, errored = 0, duplicate = 0;
pthread_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
if(!rv) return;
- if(tree)
- rrdvar_index_del(tree, rv);
+ if(tree) {
+ debug(D_VARIABLES, "Deleting variable '%s'", rv->name);
+ if(unlikely(!rrdvar_index_del(tree, rv)))
+ error("Attempted to delete variable '%s' from host '%s', but it is not found.", rv->name, host->hostname);
+ }
freez(rv->name);
freez(rv);
}
-static inline RRDVAR *rrdvar_create_and_index(const char *scope, avl_tree_lock *tree, const char *name, int type, calculated_number *value) {
+static inline RRDVAR *rrdvar_create_and_index(const char *scope, avl_tree_lock *tree, const char *name, int type, void *value) {
char *variable = strdupz(name);
rrdvar_fix_name(variable);
uint32_t hash = simple_hash(variable);
debug(D_VARIABLES, "Variable '%s' created in scope '%s'", variable, scope);
}
else {
+ debug(D_VARIABLES, "Variable '%s' is already found in scope '%s'.", variable, scope);
+
// already exists
freez(variable);
return rv;
}
+// ----------------------------------------------------------------------------
+// CUSTOM VARIABLES
+
+RRDVAR *rrdvar_custom_host_variable_create(RRDHOST *host, const char *name) {
+ calculated_number *v = callocz(1, sizeof(calculated_number));
+ *v = NAN;
+ RRDVAR *rv = rrdvar_create_and_index("host", &host->variables_root_index, name, RRDVAR_TYPE_CALCULATED_ALLOCATED, v);
+ if(unlikely(!rv)) {
+ free(v);
+ error("Requested variable '%s' already exists - possibly 2 plugins will be updating it at the same time", name);
+
+ char *variable = strdupz(name);
+ rrdvar_fix_name(variable);
+ uint32_t hash = simple_hash(variable);
+
+ rv = rrdvar_index_find(&host->variables_root_index, variable, hash);
+ }
+
+ return rv;
+}
+
+void rrdvar_custom_host_variable_destroy(RRDHOST *host, const char *name) {
+ char *variable = strdupz(name);
+ rrdvar_fix_name(variable);
+ uint32_t hash = simple_hash(variable);
+
+ RRDVAR *rv = rrdvar_index_find(&host->variables_root_index, variable, hash);
+ freez(variable);
+
+ if(!rv) {
+ error("Attempted to remove variable '%s' from host '%s', but it does not exist.", name, host->hostname);
+ return;
+ }
+
+ if(rv->type != RRDVAR_TYPE_CALCULATED_ALLOCATED) {
+ error("Attempted to remove variable '%s' from host '%s', but it does not a custom allocated variable.", name, host->hostname);
+ return;
+ }
+
+ if(!rrdvar_index_del(&host->variables_root_index, rv)) {
+ error("Attempted to remove variable '%s' from host '%s', but it cannot be found.", name, host->hostname);
+ return;
+ }
+
+ freez(rv->name);
+ freez(rv->value);
+ freez(rv);
+}
+
+void rrdvar_custom_host_variable_set(RRDVAR *rv, calculated_number value) {
+ if(rv->type != RRDVAR_TYPE_CALCULATED_ALLOCATED)
+ error("requested to set variable '%s' to value " CALCULATED_NUMBER_FORMAT " but the variable is not a custom one.", rv->name, value);
+ else {
+ calculated_number *v = rv->value;
+ *v = value;
+ }
+}
+
// ----------------------------------------------------------------------------
// RRDVAR lookup
-calculated_number rrdvar2number(RRDVAR *rv) {
+static calculated_number rrdvar2number(RRDVAR *rv) {
switch(rv->type) {
+ case RRDVAR_TYPE_CALCULATED_ALLOCATED:
case RRDVAR_TYPE_CALCULATED: {
calculated_number *n = (calculated_number *)rv->value;
return *n;
}
}
-void dump_variable(void *data) {
- RRDVAR *rv = (RRDVAR *)data;
- debug(D_HEALTH, "%50s : %20.5Lf", rv->name, rrdvar2number(rv));
-}
-
int health_variable_lookup(const char *variable, uint32_t hash, RRDCALC *rc, calculated_number *result) {
RRDSET *st = rc->rrdset;
RRDVAR *rv;
return 1;
}
- debug(D_HEALTH, "Available local chart '%s' variables:", st->id);
- avl_traverse_lock(&st->variables_root_index, dump_variable);
-
- debug(D_HEALTH, "Available family '%s' variables:", st->rrdfamily->family);
- avl_traverse_lock(&st->rrdfamily->variables_root_index, dump_variable);
-
- debug(D_HEALTH, "Available host '%s' variables:", st->rrdhost->hostname);
- avl_traverse_lock(&st->rrdhost->variables_root_index, dump_variable);
-
return 0;
}
// ----------------------------------------------------------------------------
-// RRDSETVAR management
-
-RRDSETVAR *rrdsetvar_create(RRDSET *st, const char *variable, int type, void *value, uint32_t options) {
- debug(D_VARIABLES, "RRDVARSET create for chart id '%s' name '%s' with variable name '%s'", st->id, st->name, variable);
- RRDSETVAR *rs = (RRDSETVAR *)callocz(1, sizeof(RRDSETVAR));
-
- char buffer[RRDVAR_MAX_LENGTH + 1];
- snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->id, variable);
- rs->fullid = strdupz(buffer);
+// RRDVAR to JSON
- snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->name, variable);
- rs->fullname = strdupz(buffer);
-
- rs->variable = strdupz(variable);
-
- rs->type = type;
- rs->value = value;
- rs->options = options;
- rs->rrdset = st;
+struct variable2json_helper {
+ BUFFER *buf;
+ size_t counter;
+};
- rs->local = rrdvar_create_and_index("local", &st->variables_root_index, rs->variable, rs->type, rs->value);
- rs->family = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->fullid, rs->type, rs->value);
- rs->host = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullid, rs->type, rs->value);
- rs->family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->fullname, rs->type, rs->value);
- rs->host_name = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullname, rs->type, rs->value);
+static void single_variable2json(void *entry, void *data) {
+ struct variable2json_helper *helper = (struct variable2json_helper *)data;
+ RRDVAR *rv = (RRDVAR *)entry;
+ calculated_number value = rrdvar2number(rv);
- rs->next = st->variables;
- st->variables = rs;
+ if(unlikely(isnan(value) || isinf(value)))
+ buffer_sprintf(helper->buf, "%s\n\t\t\"%s\": null", helper->counter?",":"", rv->name);
+ else
+ buffer_sprintf(helper->buf, "%s\n\t\t\"%s\": %0.5Lf", helper->counter?",":"", rv->name, (long double)value);
- return rs;
+ helper->counter++;
}
-void rrdsetvar_rename_all(RRDSET *st) {
- debug(D_VARIABLES, "RRDSETVAR rename for chart id '%s' name '%s'", st->id, st->name);
-
- // only these 2 can change name
- // rs->family_name
- // rs->host_name
-
- char buffer[RRDVAR_MAX_LENGTH + 1];
- RRDSETVAR *rs, *next = st->variables;
- while((rs = next)) {
- next = rs->next;
-
- snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->name, rs->variable);
-
- if (strcmp(buffer, rs->fullname)) {
- // name changed
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_name);
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_name);
-
- freez(rs->fullname);
- rs->fullname = strdupz(st->name);
- rs->family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->fullname, rs->type, rs->value);
- rs->host_name = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullname, rs->type, rs->value);
- }
- }
-
- rrdsetcalc_link_matching(st);
+void health_api_v1_chart_variables2json(RRDSET *st, BUFFER *buf) {
+ struct variable2json_helper helper = {
+ .buf = buf,
+ .counter = 0
+ };
+
+ buffer_sprintf(buf, "{\n\t\"chart\": \"%s.%s\",\n\t\"chart_name\": \"%s.%s\",\n\t\"chart_variables\": {", st->type, st->id, st->type, st->name);
+ avl_traverse_lock(&st->variables_root_index, single_variable2json, (void *)&helper);
+ buffer_sprintf(buf, "\n\t},\n\t\"family\": \"%s\",\n\t\"family_variables\": {", st->family);
+ helper.counter = 0;
+ avl_traverse_lock(&st->rrdfamily->variables_root_index, single_variable2json, (void *)&helper);
+ buffer_sprintf(buf, "\n\t},\n\t\"host\": \"%s\",\n\t\"host_variables\": {", st->rrdhost->hostname);
+ helper.counter = 0;
+ avl_traverse_lock(&st->rrdhost->variables_root_index, single_variable2json, (void *)&helper);
+ buffer_strcat(buf, "\n\t}\n}\n");
}
-void rrdsetvar_free(RRDSETVAR *rs) {
- RRDSET *st = rs->rrdset;
- debug(D_VARIABLES, "RRDSETVAR free for chart id '%s' name '%s', variable '%s'", st->id, st->name, rs->variable);
-
- rrdvar_free(st->rrdhost, &st->variables_root_index, rs->local);
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family);
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host);
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_name);
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_name);
-
- if(st->variables == rs) {
- st->variables = rs->next;
- }
- else {
- RRDSETVAR *t;
- for (t = st->variables; t && t->next != rs; t = t->next);
- if(!t) error("RRDSETVAR '%s' not found in chart '%s' variables linked list", rs->fullname, st->id);
- else t->next = rs->next;
- }
-
- freez(rs->fullid);
- freez(rs->fullname);
- freez(rs->variable);
- freez(rs);
-}
// ----------------------------------------------------------------------------
// RRDDIMVAR management
+// DIMENSION VARIABLES
#define RRDDIMVAR_ID_MAX 1024
-static inline void rrddimvar_free_instances(RRDDIMVAR *rs) {
+static inline void rrddimvar_free_variables(RRDDIMVAR *rs) {
RRDDIM *rd = rs->rrddim;
RRDSET *st = rd->rrdset;
- rrdvar_free(st->rrdhost, &st->variables_root_index, rs->local_id);
- rs->local_id = NULL;
+ // CHART VARIABLES FOR THIS DIMENSION
+
+ rrdvar_free(st->rrdhost, &st->variables_root_index, rs->var_local_id);
+ rs->var_local_id = NULL;
+
+ rrdvar_free(st->rrdhost, &st->variables_root_index, rs->var_local_name);
+ rs->var_local_name = NULL;
- rrdvar_free(st->rrdhost, &st->variables_root_index, rs->local_name);
- rs->local_name = NULL;
+ // FAMILY VARIABLES FOR THIS DIMENSION
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_id);
- rs->family_id = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_id);
+ rs->var_family_id = NULL;
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_name);
- rs->family_name = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_name);
+ rs->var_family_name = NULL;
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_contextid);
- rs->family_contextid = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_contextid);
+ rs->var_family_contextid = NULL;
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_contextname);
- rs->family_contextname = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_contextname);
+ rs->var_family_contextname = NULL;
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullidid);
- rs->host_fullidid = NULL;
+ // HOST VARIABLES FOR THIS DIMENSION
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullidname);
- rs->host_fullidname = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_chartidid);
+ rs->var_host_chartidid = NULL;
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullnameid);
- rs->host_fullnameid = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_chartidname);
+ rs->var_host_chartidname = NULL;
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullnamename);
- rs->host_fullnamename = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_chartnameid);
+ rs->var_host_chartnameid = NULL;
- freez(rs->id);
- rs->id = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_chartnamename);
+ rs->var_host_chartnamename = NULL;
- freez(rs->name);
- rs->name = NULL;
+ // KEYS
- freez(rs->fullidid);
- rs->fullidid = NULL;
+ freez(rs->key_id);
+ rs->key_id = NULL;
- freez(rs->fullidname);
- rs->fullidname = NULL;
+ freez(rs->key_name);
+ rs->key_name = NULL;
- freez(rs->contextid);
- rs->contextid = NULL;
+ freez(rs->key_fullidid);
+ rs->key_fullidid = NULL;
- freez(rs->contextname);
- rs->contextname = NULL;
+ freez(rs->key_fullidname);
+ rs->key_fullidname = NULL;
- freez(rs->fullnameid);
- rs->fullnameid = NULL;
+ freez(rs->key_contextid);
+ rs->key_contextid = NULL;
- freez(rs->fullnamename);
- rs->fullnamename = NULL;
+ freez(rs->key_contextname);
+ rs->key_contextname = NULL;
+
+ freez(rs->key_fullnameid);
+ rs->key_fullnameid = NULL;
+
+ freez(rs->key_fullnamename);
+ rs->key_fullnamename = NULL;
}
-static inline void rrddimvar_create_instances(RRDDIMVAR *rs) {
- rrddimvar_free_instances(rs);
+static inline void rrddimvar_create_variables(RRDDIMVAR *rs) {
+ rrddimvar_free_variables(rs);
RRDDIM *rd = rs->rrddim;
RRDSET *st = rd->rrdset;
char buffer[RRDDIMVAR_ID_MAX + 1];
+ // KEYS
+
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", rs->prefix, rd->id, rs->suffix);
- rs->id = strdupz(buffer);
+ rs->key_id = strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", rs->prefix, rd->name, rs->suffix);
- rs->name = strdupz(buffer);
-
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->id, rs->id);
- rs->fullidid = strdupz(buffer);
-
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->id, rs->name);
- rs->fullidname = strdupz(buffer);
-
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->context, rs->id);
- rs->contextid = strdupz(buffer);
-
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->context, rs->name);
- rs->contextname = strdupz(buffer);
-
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->name, rs->id);
- rs->fullnameid = strdupz(buffer);
-
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->name, rs->name);
- rs->fullnamename = strdupz(buffer);
-
- rs->local_id = rrdvar_create_and_index("local", &st->variables_root_index, rs->id, rs->type, rs->value);
- rs->local_name = rrdvar_create_and_index("local", &st->variables_root_index, rs->name, rs->type, rs->value);
-
- rs->family_id = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->id, rs->type, rs->value);
- rs->family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->name, rs->type, rs->value);
- rs->family_contextid = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->contextid, rs->type, rs->value);
- rs->family_contextname = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->contextname, rs->type, rs->value);
-
- rs->host_fullidid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullidid, rs->type, rs->value);
- rs->host_fullidname = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullidname, rs->type, rs->value);
- rs->host_fullnameid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullnameid, rs->type, rs->value);
- rs->host_fullnamename = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullnamename, rs->type, rs->value);
+ rs->key_name = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->id, rs->key_id);
+ rs->key_fullidid = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->id, rs->key_name);
+ rs->key_fullidname = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->context, rs->key_id);
+ rs->key_contextid = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->context, rs->key_name);
+ rs->key_contextname = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->name, rs->key_id);
+ rs->key_fullnameid = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->name, rs->key_name);
+ rs->key_fullnamename = strdupz(buffer);
+
+ // CHART VARIABLES FOR THIS DIMENSION
+ // -----------------------------------
+ //
+ // dimensions are available as:
+ // - $id
+ // - $name
+
+ rs->var_local_id = rrdvar_create_and_index("local", &st->variables_root_index, rs->key_id, rs->type, rs->value);
+ rs->var_local_name = rrdvar_create_and_index("local", &st->variables_root_index, rs->key_name, rs->type, rs->value);
+
+ // FAMILY VARIABLES FOR THIS DIMENSION
+ // -----------------------------------
+ //
+ // dimensions are available as:
+ // - $id (only the first, when multiple overlap)
+ // - $name (only the first, when multiple overlap)
+ // - $chart-context.id
+ // - $chart-context.name
+
+ rs->var_family_id = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_id, rs->type, rs->value);
+ rs->var_family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_name, rs->type, rs->value);
+ rs->var_family_contextid = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_contextid, rs->type, rs->value);
+ rs->var_family_contextname = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_contextname, rs->type, rs->value);
+
+ // HOST VARIABLES FOR THIS DIMENSION
+ // -----------------------------------
+ //
+ // dimensions are available as:
+ // - $chart-id.id
+ // - $chart-id.name
+ // - $chart-name.id
+ // - $chart-name.name
+
+ rs->var_host_chartidid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullidid, rs->type, rs->value);
+ rs->var_host_chartidname = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullidname, rs->type, rs->value);
+ rs->var_host_chartnameid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullnameid, rs->type, rs->value);
+ rs->var_host_chartnamename = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullnamename, rs->type, rs->value);
}
-
RRDDIMVAR *rrddimvar_create(RRDDIM *rd, int type, const char *prefix, const char *suffix, void *value, uint32_t options) {
RRDSET *st = rd->rrdset;
rs->next = rd->variables;
rd->variables = rs;
- rrddimvar_create_instances(rs);
+ rrddimvar_create_variables(rs);
return rs;
}
RRDDIMVAR *rs, *next = rd->variables;
while((rs = next)) {
next = rs->next;
-
- if (strcmp(rd->name, rs->name))
- rrddimvar_create_instances(rs);
+ rrddimvar_create_variables(rs);
}
}
RRDSET *st = rd->rrdset;
debug(D_VARIABLES, "RRDDIMSET free for chart id '%s' name '%s', dimension id '%s', name '%s', prefix='%s', suffix='%s'", st->id, st->name, rd->id, rd->name, rs->prefix, rs->suffix);
- rrddimvar_free_instances(rs);
+ rrddimvar_free_variables(rs);
if(rd->variables == rs) {
debug(D_VARIABLES, "RRDDIMSET removing first entry for chart id '%s' name '%s', dimension id '%s', name '%s'", st->id, st->name, rd->id, rd->name);
debug(D_VARIABLES, "RRDDIMSET removing non-first entry for chart id '%s' name '%s', dimension id '%s', name '%s'", st->id, st->name, rd->id, rd->name);
RRDDIMVAR *t;
for (t = rd->variables; t && t->next != rs; t = t->next) ;
- if(!t) error("RRDDIMVAR '%s' not found in dimension '%s/%s' variables linked list", rs->name, st->id, rd->id);
+ if(!t) error("RRDDIMVAR '%s' not found in dimension '%s/%s' variables linked list", rs->key_name, st->id, rd->id);
else t->next = rs->next;
}
freez(rs);
}
+// ----------------------------------------------------------------------------
+// RRDSETVAR management
+// CHART VARIABLES
+
+static inline void rrdsetvar_free_variables(RRDSETVAR *rs) {
+ RRDSET *st = rs->rrdset;
+
+ // CHART
+
+ rrdvar_free(st->rrdhost, &st->variables_root_index, rs->var_local);
+ rs->var_local = NULL;
+
+ // FAMILY
+
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family);
+ rs->var_family = NULL;
+
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host);
+ rs->var_host = NULL;
+
+ // HOST
+
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_name);
+ rs->var_family_name = NULL;
+
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_name);
+ rs->var_host_name = NULL;
+
+ // KEYS
+
+ freez(rs->key_fullid);
+ rs->key_fullid = NULL;
+
+ freez(rs->key_fullname);
+ rs->key_fullname = NULL;
+}
+
+static inline void rrdsetvar_create_variables(RRDSETVAR *rs) {
+ rrdsetvar_free_variables(rs);
+
+ RRDSET *st = rs->rrdset;
+
+ // KEYS
+
+ char buffer[RRDVAR_MAX_LENGTH + 1];
+ snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->id, rs->variable);
+ rs->key_fullid = strdupz(buffer);
+
+ snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->name, rs->variable);
+ rs->key_fullname = strdupz(buffer);
+
+ // CHART
+
+ rs->var_local = rrdvar_create_and_index("local", &st->variables_root_index, rs->variable, rs->type, rs->value);
+
+ // FAMILY
+
+ rs->var_family = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_fullid, rs->type, rs->value);
+ rs->var_family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_fullname, rs->type, rs->value);
+
+ // HOST
+
+ rs->var_host = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullid, rs->type, rs->value);
+ rs->var_host_name = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullname, rs->type, rs->value);
+
+}
+
+RRDSETVAR *rrdsetvar_create(RRDSET *st, const char *variable, int type, void *value, uint32_t options) {
+ debug(D_VARIABLES, "RRDVARSET create for chart id '%s' name '%s' with variable name '%s'", st->id, st->name, variable);
+ RRDSETVAR *rs = (RRDSETVAR *)callocz(1, sizeof(RRDSETVAR));
+
+ rs->variable = strdupz(variable);
+ rs->type = type;
+ rs->value = value;
+ rs->options = options;
+ rs->rrdset = st;
+
+ rs->next = st->variables;
+ st->variables = rs;
+
+ rrdsetvar_create_variables(rs);
+
+ return rs;
+}
+
+void rrdsetvar_rename_all(RRDSET *st) {
+ debug(D_VARIABLES, "RRDSETVAR rename for chart id '%s' name '%s'", st->id, st->name);
+
+ RRDSETVAR *rs, *next = st->variables;
+ while((rs = next)) {
+ next = rs->next;
+ rrdsetvar_create_variables(rs);
+ }
+
+ rrdsetcalc_link_matching(st);
+}
+
+void rrdsetvar_free(RRDSETVAR *rs) {
+ RRDSET *st = rs->rrdset;
+ debug(D_VARIABLES, "RRDSETVAR free for chart id '%s' name '%s', variable '%s'", st->id, st->name, rs->variable);
+
+ if(st->variables == rs) {
+ st->variables = rs->next;
+ }
+ else {
+ RRDSETVAR *t;
+ for (t = st->variables; t && t->next != rs; t = t->next);
+ if(!t) error("RRDSETVAR '%s' not found in chart '%s' variables linked list", rs->key_fullname, st->id);
+ else t->next = rs->next;
+ }
+
+ rrdsetvar_free_variables(rs);
+
+ freez(rs->variable);
+ freez(rs);
+}
+
// ----------------------------------------------------------------------------
// RRDCALC management
projects / netdata.git / blobdiff