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// SPDX-License-Identifier: GPL-3.0-or-later
#include "rrd.h"
typedef struct rrddimvar {
struct rrddim *rrddim;
STRING *prefix;
STRING *suffix;
void *value;
const RRDVAR_ACQUIRED *rrdvar_local_dim_id;
const RRDVAR_ACQUIRED *rrdvar_local_dim_name;
const RRDVAR_ACQUIRED *rrdvar_family_id;
const RRDVAR_ACQUIRED *rrdvar_family_name;
const RRDVAR_ACQUIRED *rrdvar_family_context_dim_id;
const RRDVAR_ACQUIRED *rrdvar_family_context_dim_name;
const RRDVAR_ACQUIRED *rrdvar_host_chart_id_dim_id;
const RRDVAR_ACQUIRED *rrdvar_host_chart_id_dim_name;
const RRDVAR_ACQUIRED *rrdvar_host_chart_name_dim_id;
const RRDVAR_ACQUIRED *rrdvar_host_chart_name_dim_name;
RRDVAR_FLAGS flags:24;
RRDVAR_TYPE type:8;
} RRDDIMVAR;
// ----------------------------------------------------------------------------
// RRDDIMVAR management
// DIMENSION VARIABLES
#define RRDDIMVAR_ID_MAX 1024
static inline void rrddimvar_free_variables_unsafe(RRDDIMVAR *rs) {
RRDDIM *rd = rs->rrddim;
RRDSET *st = rd->rrdset;
RRDHOST *host = st->rrdhost;
// CHART VARIABLES FOR THIS DIMENSION
if(st->rrdvars) {
rrdvar_release_and_del(st->rrdvars, rs->rrdvar_local_dim_id);
rs->rrdvar_local_dim_id = NULL;
rrdvar_release_and_del(st->rrdvars, rs->rrdvar_local_dim_name);
rs->rrdvar_local_dim_name = NULL;
}
// FAMILY VARIABLES FOR THIS DIMENSION
if(st->rrdfamily) {
rrdvar_release_and_del(rrdfamily_rrdvars_dict(st->rrdfamily), rs->rrdvar_family_id);
rs->rrdvar_family_id = NULL;
rrdvar_release_and_del(rrdfamily_rrdvars_dict(st->rrdfamily), rs->rrdvar_family_name);
rs->rrdvar_family_name = NULL;
rrdvar_release_and_del(rrdfamily_rrdvars_dict(st->rrdfamily), rs->rrdvar_family_context_dim_id);
rs->rrdvar_family_context_dim_id = NULL;
rrdvar_release_and_del(rrdfamily_rrdvars_dict(st->rrdfamily), rs->rrdvar_family_context_dim_name);
rs->rrdvar_family_context_dim_name = NULL;
}
// HOST VARIABLES FOR THIS DIMENSION
if(host->rrdvars && host->health_enabled) {
rrdvar_release_and_del(host->rrdvars, rs->rrdvar_host_chart_id_dim_id);
rs->rrdvar_host_chart_id_dim_id = NULL;
rrdvar_release_and_del(host->rrdvars, rs->rrdvar_host_chart_id_dim_name);
rs->rrdvar_host_chart_id_dim_name = NULL;
rrdvar_release_and_del(host->rrdvars, rs->rrdvar_host_chart_name_dim_id);
rs->rrdvar_host_chart_name_dim_id = NULL;
rrdvar_release_and_del(host->rrdvars, rs->rrdvar_host_chart_name_dim_name);
rs->rrdvar_host_chart_name_dim_name = NULL;
}
}
static inline void rrddimvar_update_variables_unsafe(RRDDIMVAR *rs) {
rrddimvar_free_variables_unsafe(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", string2str(rs->prefix), rrddim_id(rd), string2str(rs->suffix));
STRING *key_dim_id = string_strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", string2str(rs->prefix), rrddim_name(rd), string2str(rs->suffix));
STRING *key_dim_name = string_strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_id(st), string2str(key_dim_id));
STRING *key_chart_id_dim_id = string_strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_id(st), string2str(key_dim_name));
STRING *key_chart_id_dim_name = string_strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_context(st), string2str(key_dim_id));
STRING *key_context_dim_id = string_strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_context(st), string2str(key_dim_name));
STRING *key_context_dim_name = string_strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_name(st), string2str(key_dim_id));
STRING *key_chart_name_dim_id = string_strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_name(st), string2str(key_dim_name));
STRING *key_chart_name_dim_name = string_strdupz(buffer);
// CHART VARIABLES FOR THIS DIMENSION
// -----------------------------------
//
// dimensions are available as:
// - $id
// - $name
if(st->rrdvars) {
rs->rrdvar_local_dim_id = rrdvar_add_and_acquire("local", st->rrdvars, key_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
rs->rrdvar_local_dim_name = rrdvar_add_and_acquire("local", st->rrdvars, key_dim_name, rs->type, RRDVAR_FLAG_NONE, 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
if(st->rrdfamily) {
rs->rrdvar_family_id = rrdvar_add_and_acquire("family", rrdfamily_rrdvars_dict(st->rrdfamily), key_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
rs->rrdvar_family_name = rrdvar_add_and_acquire("family", rrdfamily_rrdvars_dict(st->rrdfamily), key_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
rs->rrdvar_family_context_dim_id = rrdvar_add_and_acquire("family", rrdfamily_rrdvars_dict(st->rrdfamily), key_context_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
rs->rrdvar_family_context_dim_name = rrdvar_add_and_acquire("family", rrdfamily_rrdvars_dict(st->rrdfamily), key_context_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
}
// HOST VARIABLES FOR THIS DIMENSION
// -----------------------------------
//
// dimensions are available as:
// - $chart-id.id
// - $chart-id.name
// - $chart-name.id
// - $chart-name.name
if(host->rrdvars && host->health_enabled) {
rs->rrdvar_host_chart_id_dim_id = rrdvar_add_and_acquire("host", host->rrdvars, key_chart_id_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
rs->rrdvar_host_chart_id_dim_name = rrdvar_add_and_acquire("host", host->rrdvars, key_chart_id_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
rs->rrdvar_host_chart_name_dim_id = rrdvar_add_and_acquire("host", host->rrdvars, key_chart_name_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
rs->rrdvar_host_chart_name_dim_name = rrdvar_add_and_acquire("host", host->rrdvars, key_chart_name_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
}
// free the keys
string_freez(key_dim_id);
string_freez(key_dim_name);
string_freez(key_chart_id_dim_id);
string_freez(key_chart_id_dim_name);
string_freez(key_context_dim_id);
string_freez(key_context_dim_name);
string_freez(key_chart_name_dim_id);
string_freez(key_chart_name_dim_name);
}
struct rrddimvar_constructor {
RRDDIM *rrddim;
const char *prefix;
const char *suffix;
void *value;
RRDVAR_FLAGS flags :16;
RRDVAR_TYPE type:8;
};
static void rrddimvar_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddimvar, void *constructor_data) {
RRDDIMVAR *rs = rrddimvar;
struct rrddimvar_constructor *ctr = constructor_data;
if(!ctr->prefix) ctr->prefix = "";
if(!ctr->suffix) ctr->suffix = "";
rs->prefix = string_strdupz(ctr->prefix);
rs->suffix = string_strdupz(ctr->suffix);
rs->type = ctr->type;
rs->value = ctr->value;
rs->flags = ctr->flags;
rs->rrddim = ctr->rrddim;
rrddimvar_update_variables_unsafe(rs);
}
static bool rrddimvar_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddimvar, void *new_rrddimvar __maybe_unused, void *constructor_data __maybe_unused) {
RRDDIMVAR *rs = rrddimvar;
rrddimvar_update_variables_unsafe(rs);
return true;
}
static void rrddimvar_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddimvar, void *rrdset __maybe_unused) {
RRDDIMVAR *rs = rrddimvar;
rrddimvar_free_variables_unsafe(rs);
string_freez(rs->prefix);
string_freez(rs->suffix);
}
void rrddimvar_index_init(RRDSET *st) {
if(!st->rrddimvar_root_index) {
st->rrddimvar_root_index = dictionary_create(DICT_OPTION_DONT_OVERWRITE_VALUE);
dictionary_register_insert_callback(st->rrddimvar_root_index, rrddimvar_insert_callback, NULL);
dictionary_register_conflict_callback(st->rrddimvar_root_index, rrddimvar_conflict_callback, NULL);
dictionary_register_delete_callback(st->rrddimvar_root_index, rrddimvar_delete_callback, st);
}
}
void rrddimvar_index_destroy(RRDSET *st) {
dictionary_destroy(st->rrddimvar_root_index);
st->rrddimvar_root_index = NULL;
}
void rrddimvar_add_and_leave_released(RRDDIM *rd, RRDVAR_TYPE type, const char *prefix, const char *suffix, void *value, RRDVAR_FLAGS flags) {
if(!prefix) prefix = "";
if(!suffix) suffix = "";
char key[RRDDIMVAR_ID_MAX + 1];
size_t key_len = snprintfz(key, RRDDIMVAR_ID_MAX, "%s_%s_%s", prefix, rrddim_id(rd), suffix);
struct rrddimvar_constructor tmp = {
.suffix = suffix,
.prefix = prefix,
.type = type,
.flags = flags,
.value = value,
.rrddim = rd
};
dictionary_set_advanced(rd->rrdset->rrddimvar_root_index, key, (ssize_t)(key_len + 1), NULL, sizeof(RRDDIMVAR), &tmp);
}
void rrddimvar_rename_all(RRDDIM *rd) {
RRDSET *st = rd->rrdset;
debug(D_VARIABLES, "RRDDIMVAR rename for chart id '%s' name '%s', dimension id '%s', name '%s'", rrdset_id(st), rrdset_name(st), rrddim_id(rd), rrddim_name(rd));
RRDDIMVAR *rs;
dfe_start_write(st->rrddimvar_root_index, rs) {
if(unlikely(rs->rrddim == rd))
rrddimvar_update_variables_unsafe(rs);
}
dfe_done(rs);
}
void rrddimvar_delete_all(RRDDIM *rd) {
RRDSET *st = rd->rrdset;
debug(D_VARIABLES, "RRDDIMVAR delete for chart id '%s' name '%s', dimension id '%s', name '%s'", rrdset_id(st), rrdset_name(st), rrddim_id(rd), rrddim_name(rd));
RRDDIMVAR *rs;
dfe_start_write(st->rrddimvar_root_index, rs) {
if(unlikely(rs->rrddim == rd))
dictionary_del(st->rrddimvar_root_index, rs_dfe.name);
}
dfe_done(rs);
}
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