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-rw-r--r--database/rrddimvar.c217
1 files changed, 217 insertions, 0 deletions
diff --git a/database/rrddimvar.c b/database/rrddimvar.c
new file mode 100644
index 00000000..3c2ed75e
--- /dev/null
+++ b/database/rrddimvar.c
@@ -0,0 +1,217 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#define NETDATA_HEALTH_INTERNALS
+#include "rrd.h"
+
+// ----------------------------------------------------------------------------
+// RRDDIMVAR management
+// DIMENSION VARIABLES
+
+#define RRDDIMVAR_ID_MAX 1024
+
+static inline void rrddimvar_free_variables(RRDDIMVAR *rs) {
+ RRDDIM *rd = rs->rrddim;
+ RRDSET *st = rd->rrdset;
+ RRDHOST *host = st->rrdhost;
+
+ // CHART VARIABLES FOR THIS DIMENSION
+
+ rrdvar_free(host, &st->rrdvar_root_index, rs->var_local_id);
+ rs->var_local_id = NULL;
+
+ rrdvar_free(host, &st->rrdvar_root_index, rs->var_local_name);
+ rs->var_local_name = NULL;
+
+ // FAMILY VARIABLES FOR THIS DIMENSION
+
+ rrdvar_free(host, &st->rrdfamily->rrdvar_root_index, rs->var_family_id);
+ rs->var_family_id = NULL;
+
+ rrdvar_free(host, &st->rrdfamily->rrdvar_root_index, rs->var_family_name);
+ rs->var_family_name = NULL;
+
+ rrdvar_free(host, &st->rrdfamily->rrdvar_root_index, rs->var_family_contextid);
+ rs->var_family_contextid = NULL;
+
+ rrdvar_free(host, &st->rrdfamily->rrdvar_root_index, rs->var_family_contextname);
+ rs->var_family_contextname = NULL;
+
+ // HOST VARIABLES FOR THIS DIMENSION
+
+ rrdvar_free(host, &host->rrdvar_root_index, rs->var_host_chartidid);
+ rs->var_host_chartidid = NULL;
+
+ rrdvar_free(host, &host->rrdvar_root_index, rs->var_host_chartidname);
+ rs->var_host_chartidname = NULL;
+
+ rrdvar_free(host, &host->rrdvar_root_index, rs->var_host_chartnameid);
+ rs->var_host_chartnameid = NULL;
+
+ rrdvar_free(host, &host->rrdvar_root_index, rs->var_host_chartnamename);
+ rs->var_host_chartnamename = NULL;
+
+ // KEYS
+
+ freez(rs->key_id);
+ rs->key_id = NULL;
+
+ freez(rs->key_name);
+ rs->key_name = NULL;
+
+ freez(rs->key_fullidid);
+ rs->key_fullidid = NULL;
+
+ freez(rs->key_fullidname);
+ rs->key_fullidname = NULL;
+
+ freez(rs->key_contextid);
+ rs->key_contextid = 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_variables(RRDDIMVAR *rs) {
+ rrddimvar_free_variables(rs);
+
+ RRDDIM *rd = rs->rrddim;
+ RRDSET *st = rd->rrdset;
+ RRDHOST *host = st->rrdhost;
+
+ char buffer[RRDDIMVAR_ID_MAX + 1];
+
+ // KEYS
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", rs->prefix, rd->id, rs->suffix);
+ rs->key_id = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", rs->prefix, rd->name, rs->suffix);
+ 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->rrdvar_root_index, rs->key_id, rs->type, RRDVAR_OPTION_DEFAULT, rs->value);
+ rs->var_local_name = rrdvar_create_and_index("local", &st->rrdvar_root_index, rs->key_name, rs->type, RRDVAR_OPTION_DEFAULT, 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->rrdvar_root_index, rs->key_id, rs->type, RRDVAR_OPTION_DEFAULT, rs->value);
+ rs->var_family_name = rrdvar_create_and_index("family", &st->rrdfamily->rrdvar_root_index, rs->key_name, rs->type, RRDVAR_OPTION_DEFAULT, rs->value);
+ rs->var_family_contextid = rrdvar_create_and_index("family", &st->rrdfamily->rrdvar_root_index, rs->key_contextid, rs->type, RRDVAR_OPTION_DEFAULT, rs->value);
+ rs->var_family_contextname = rrdvar_create_and_index("family", &st->rrdfamily->rrdvar_root_index, rs->key_contextname, rs->type, RRDVAR_OPTION_DEFAULT, 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", &host->rrdvar_root_index, rs->key_fullidid, rs->type, RRDVAR_OPTION_DEFAULT, rs->value);
+ rs->var_host_chartidname = rrdvar_create_and_index("host", &host->rrdvar_root_index, rs->key_fullidname, rs->type, RRDVAR_OPTION_DEFAULT, rs->value);
+ rs->var_host_chartnameid = rrdvar_create_and_index("host", &host->rrdvar_root_index, rs->key_fullnameid, rs->type, RRDVAR_OPTION_DEFAULT, rs->value);
+ rs->var_host_chartnamename = rrdvar_create_and_index("host", &host->rrdvar_root_index, rs->key_fullnamename, rs->type, RRDVAR_OPTION_DEFAULT, rs->value);
+}
+
+RRDDIMVAR *rrddimvar_create(RRDDIM *rd, RRDVAR_TYPE type, const char *prefix, const char *suffix, void *value, RRDVAR_OPTIONS options) {
+ RRDSET *st = rd->rrdset;
+ (void)st;
+
+ debug(D_VARIABLES, "RRDDIMSET create for chart id '%s' name '%s', dimension id '%s', name '%s%s%s'", st->id, st->name, rd->id, (prefix)?prefix:"", rd->name, (suffix)?suffix:"");
+
+ if(!prefix) prefix = "";
+ if(!suffix) suffix = "";
+
+ RRDDIMVAR *rs = (RRDDIMVAR *)callocz(1, sizeof(RRDDIMVAR));
+
+ rs->prefix = strdupz(prefix);
+ rs->suffix = strdupz(suffix);
+
+ rs->type = type;
+ rs->value = value;
+ rs->options = options;
+ rs->rrddim = rd;
+
+ rs->next = rd->variables;
+ rd->variables = rs;
+
+ rrddimvar_create_variables(rs);
+
+ return rs;
+}
+
+void rrddimvar_rename_all(RRDDIM *rd) {
+ RRDSET *st = rd->rrdset;
+ (void)st;
+
+ debug(D_VARIABLES, "RRDDIMSET rename for chart id '%s' name '%s', dimension id '%s', name '%s'", st->id, st->name, rd->id, rd->name);
+
+ RRDDIMVAR *rs, *next = rd->variables;
+ while((rs = next)) {
+ next = rs->next;
+ rrddimvar_create_variables(rs);
+ }
+}
+
+void rrddimvar_free(RRDDIMVAR *rs) {
+ RRDDIM *rd = rs->rrddim;
+ 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_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);
+ rd->variables = rs->next;
+ }
+ else {
+ 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->key_name, st->id, rd->id);
+ else t->next = rs->next;
+ }
+
+ freez(rs->prefix);
+ freez(rs->suffix);
+ freez(rs);
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 07:47:30 +0000