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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-24 09:54:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-24 09:54:44 +0000
commit836b47cb7e99a977c5a23b059ca1d0b5065d310e (patch)
tree1604da8f482d02effa033c94a84be42bc0c848c3 /database/rrdvar.c
parentReleasing debian version 1.44.3-2. (diff)
downloadnetdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.tar.xz
netdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.zip
Merging upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'database/rrdvar.c')
-rw-r--r--database/rrdvar.c392
1 files changed, 0 insertions, 392 deletions
diff --git a/database/rrdvar.c b/database/rrdvar.c
deleted file mode 100644
index 68d22abb9..000000000
--- a/database/rrdvar.c
+++ /dev/null
@@ -1,392 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "rrd.h"
-
-// the variables as stored in the variables indexes
-// there are 3 indexes:
-// 1. at each chart (RRDSET.rrdvar_root_index)
-// 2. at each context (RRDFAMILY.rrdvar_root_index)
-// 3. at each host (RRDHOST.rrdvar_root_index)
-typedef struct rrdvar {
- STRING *name;
- void *value;
- RRDVAR_FLAGS flags:24;
- RRDVAR_TYPE type:8;
-} RRDVAR;
-
-// ----------------------------------------------------------------------------
-// RRDVAR management
-
-inline int rrdvar_fix_name(char *variable) {
- int fixed = 0;
- while(*variable) {
- if (!isalnum(*variable) && *variable != '.' && *variable != '_') {
- *variable++ = '_';
- fixed++;
- }
- else
- variable++;
- }
-
- return fixed;
-}
-
-inline STRING *rrdvar_name_to_string(const char *name) {
- char *variable = strdupz(name);
- rrdvar_fix_name(variable);
- STRING *name_string = string_strdupz(variable);
- freez(variable);
- return name_string;
-}
-
-struct rrdvar_constructor {
- STRING *name;
- void *value;
- RRDVAR_FLAGS options:16;
- RRDVAR_TYPE type:8;
-
- enum {
- RRDVAR_REACT_NONE = 0,
- RRDVAR_REACT_NEW = (1 << 0),
- } react_action;
-};
-
-static void rrdvar_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdvar, void *constructor_data) {
- RRDVAR *rv = rrdvar;
- struct rrdvar_constructor *ctr = constructor_data;
-
- ctr->options &= ~RRDVAR_OPTIONS_REMOVED_ON_NEW_OBJECTS;
-
- rv->name = string_dup(ctr->name);
- rv->type = ctr->type;
- rv->flags = ctr->options;
-
- if(!ctr->value) {
- NETDATA_DOUBLE *v = mallocz(sizeof(NETDATA_DOUBLE));
- *v = NAN;
- rv->value = v;
- rv->flags |= RRDVAR_FLAG_ALLOCATED;
- }
- else
- rv->value = ctr->value;
-
- ctr->react_action = RRDVAR_REACT_NEW;
-}
-
-static void rrdvar_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdvar, void *nothing __maybe_unused) {
- RRDVAR *rv = rrdvar;
-
- if(rv->flags & RRDVAR_FLAG_ALLOCATED)
- freez(rv->value);
-
- string_freez(rv->name);
- rv->name = NULL;
-}
-
-DICTIONARY *rrdvariables_create(void) {
- DICTIONARY *dict = dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_FIXED_SIZE,
- &dictionary_stats_category_rrdhealth, sizeof(RRDVAR));
-
- dictionary_register_insert_callback(dict, rrdvar_insert_callback, NULL);
- dictionary_register_delete_callback(dict, rrdvar_delete_callback, NULL);
-
- return dict;
-}
-
-DICTIONARY *health_rrdvariables_create(void) {
- DICTIONARY *dict = dictionary_create_advanced(DICT_OPTION_NONE, &dictionary_stats_category_rrdhealth, 0);
-
- dictionary_register_insert_callback(dict, rrdvar_insert_callback, NULL);
- dictionary_register_delete_callback(dict, rrdvar_delete_callback, NULL);
-
- return dict;
-}
-
-void rrdvariables_destroy(DICTIONARY *dict) {
- dictionary_destroy(dict);
-}
-
-static inline const RRDVAR_ACQUIRED *rrdvar_get_and_acquire(DICTIONARY *dict, STRING *name) {
- return (const RRDVAR_ACQUIRED *)dictionary_get_and_acquire_item_advanced(dict, string2str(name), (ssize_t)string_strlen(name) + 1);
-}
-
-inline void rrdvar_release_and_del(DICTIONARY *dict, const RRDVAR_ACQUIRED *rva) {
- if(unlikely(!dict || !rva)) return;
-
- RRDVAR *rv = dictionary_acquired_item_value((const DICTIONARY_ITEM *)rva);
-
- dictionary_del_advanced(dict, string2str(rv->name), (ssize_t)string_strlen(rv->name) + 1);
-
- dictionary_acquired_item_release(dict, (const DICTIONARY_ITEM *)rva);
-}
-
-inline const RRDVAR_ACQUIRED *rrdvar_add_and_acquire(const char *scope __maybe_unused, DICTIONARY *dict, STRING *name, RRDVAR_TYPE type, RRDVAR_FLAGS options, void *value) {
- if(unlikely(!dict || !name)) return NULL;
-
- struct rrdvar_constructor tmp = {
- .name = name,
- .value = value,
- .type = type,
- .options = options,
- .react_action = RRDVAR_REACT_NONE,
- };
- return (const RRDVAR_ACQUIRED *)dictionary_set_and_acquire_item_advanced(dict, string2str(name), (ssize_t)string_strlen(name) + 1, NULL, sizeof(RRDVAR), &tmp);
-}
-
-inline void rrdvar_add(const char *scope __maybe_unused, DICTIONARY *dict, STRING *name, RRDVAR_TYPE type, RRDVAR_FLAGS options, void *value) {
- if(unlikely(!dict || !name)) return;
-
- struct rrdvar_constructor tmp = {
- .name = name,
- .value = value,
- .type = type,
- .options = options,
- .react_action = RRDVAR_REACT_NONE,
- };
- dictionary_set_advanced(dict, string2str(name), (ssize_t)string_strlen(name) + 1, NULL, sizeof(RRDVAR), &tmp);
-}
-
-void rrdvar_delete_all(DICTIONARY *dict) {
- dictionary_flush(dict);
-}
-
-
-// ----------------------------------------------------------------------------
-// CUSTOM HOST VARIABLES
-
-inline int rrdvar_walkthrough_read(DICTIONARY *dict, int (*callback)(const DICTIONARY_ITEM *item, void *rrdvar, void *data), void *data) {
- if(unlikely(!dict)) return 0; // when health is not enabled
- return dictionary_walkthrough_read(dict, callback, data);
-}
-
-const RRDVAR_ACQUIRED *rrdvar_custom_host_variable_add_and_acquire(RRDHOST *host, const char *name) {
- DICTIONARY *dict = host->rrdvars;
- if(unlikely(!dict)) return NULL; // when health is not enabled
-
- STRING *name_string = rrdvar_name_to_string(name);
-
- const RRDVAR_ACQUIRED *rva = rrdvar_add_and_acquire("host", dict, name_string, RRDVAR_TYPE_CALCULATED, RRDVAR_FLAG_CUSTOM_HOST_VAR, NULL);
-
- string_freez(name_string);
- return rva;
-}
-
-void rrdvar_custom_host_variable_set(RRDHOST *host, const RRDVAR_ACQUIRED *rva, NETDATA_DOUBLE value) {
- if(unlikely(!host->rrdvars || !rva)) return; // when health is not enabled
-
- if(rrdvar_type(rva) != RRDVAR_TYPE_CALCULATED || !(rrdvar_flags(rva) & (RRDVAR_FLAG_CUSTOM_HOST_VAR | RRDVAR_FLAG_ALLOCATED)))
- netdata_log_error("requested to set variable '%s' to value " NETDATA_DOUBLE_FORMAT " but the variable is not a custom one.", rrdvar_name(rva), value);
- else {
- RRDVAR *rv = dictionary_acquired_item_value((const DICTIONARY_ITEM *)rva);
- NETDATA_DOUBLE *v = rv->value;
- if(*v != value) {
- *v = value;
-
- // if the host is streaming, send this variable upstream immediately
- rrdpush_sender_send_this_host_variable_now(host, rva);
- }
- }
-}
-
-void rrdvar_release(DICTIONARY *dict, const RRDVAR_ACQUIRED *rva) {
- if(unlikely(!dict || !rva)) return; // when health is not enabled
- dictionary_acquired_item_release(dict, (const DICTIONARY_ITEM *)rva);
-}
-
-// ----------------------------------------------------------------------------
-// RRDVAR lookup
-
-NETDATA_DOUBLE rrdvar2number(const RRDVAR_ACQUIRED *rva) {
- if(unlikely(!rva)) return NAN;
-
- RRDVAR *rv = dictionary_acquired_item_value((const DICTIONARY_ITEM *)rva);
-
- switch(rv->type) {
- case RRDVAR_TYPE_CALCULATED: {
- NETDATA_DOUBLE *n = (NETDATA_DOUBLE *)rv->value;
- return *n;
- }
-
- case RRDVAR_TYPE_TIME_T: {
- time_t *n = (time_t *)rv->value;
- return (NETDATA_DOUBLE)*n;
- }
-
- case RRDVAR_TYPE_COLLECTED: {
- collected_number *n = (collected_number *)rv->value;
- return (NETDATA_DOUBLE)*n;
- }
-
- case RRDVAR_TYPE_TOTAL: {
- total_number *n = (total_number *)rv->value;
- return (NETDATA_DOUBLE)*n;
- }
-
- case RRDVAR_TYPE_INT: {
- int *n = (int *)rv->value;
- return *n;
- }
-
- default:
- netdata_log_error("I don't know how to convert RRDVAR type %u to NETDATA_DOUBLE", rv->type);
- return NAN;
- }
-}
-
-int health_variable_check(DICTIONARY *dict, RRDSET *st, RRDDIM *rd) {
- if (!dict || !st || !rd) return 0;
-
- STRING *helper_str;
- char helper[RRDVAR_MAX_LENGTH + 1];
- snprintfz(helper, RRDVAR_MAX_LENGTH, "%s.%s", string2str(st->name), string2str(rd->name));
- helper_str = string_strdupz(helper);
-
- const RRDVAR_ACQUIRED *rva;
- rva = rrdvar_get_and_acquire(dict, helper_str);
- if(rva) {
- dictionary_acquired_item_release(dict, (const DICTIONARY_ITEM *)rva);
- string_freez(helper_str);
- return 1;
- }
-
- string_freez(helper_str);
-
- return 0;
-}
-
-void rrdvar_store_for_chart(RRDHOST *host, RRDSET *st) {
- if (!st) return;
-
- if(!st->rrdfamily)
- st->rrdfamily = rrdfamily_add_and_acquire(host, rrdset_family(st));
-
- if(!st->rrdvars)
- st->rrdvars = rrdvariables_create();
-
- rrddimvar_index_init(st);
-
- rrdsetvar_add_and_leave_released(st, "last_collected_t", RRDVAR_TYPE_TIME_T, &st->last_collected_time.tv_sec, RRDVAR_FLAG_NONE);
- rrdsetvar_add_and_leave_released(st, "green", RRDVAR_TYPE_CALCULATED, &st->green, RRDVAR_FLAG_NONE);
- rrdsetvar_add_and_leave_released(st, "red", RRDVAR_TYPE_CALCULATED, &st->red, RRDVAR_FLAG_NONE);
- rrdsetvar_add_and_leave_released(st, "update_every", RRDVAR_TYPE_INT, &st->update_every, RRDVAR_FLAG_NONE);
-
- RRDDIM *rd;
- rrddim_foreach_read(rd, st) {
- rrddimvar_add_and_leave_released(rd, RRDVAR_TYPE_CALCULATED, NULL, NULL, &rd->collector.last_stored_value, RRDVAR_FLAG_NONE);
- rrddimvar_add_and_leave_released(rd, RRDVAR_TYPE_COLLECTED, NULL, "_raw", &rd->collector.last_collected_value, RRDVAR_FLAG_NONE);
- rrddimvar_add_and_leave_released(rd, RRDVAR_TYPE_TIME_T, NULL, "_last_collected_t", &rd->collector.last_collected_time.tv_sec, RRDVAR_FLAG_NONE);
- }
- rrddim_foreach_done(rd);
-}
-
-int health_variable_lookup(STRING *variable, RRDCALC *rc, NETDATA_DOUBLE *result) {
- RRDSET *st = rc->rrdset;
- if(!st) return 0;
-
- RRDHOST *host = st->rrdhost;
- const RRDVAR_ACQUIRED *rva;
-
- rva = rrdvar_get_and_acquire(st->rrdvars, variable);
- if(rva) {
- *result = rrdvar2number(rva);
- dictionary_acquired_item_release(st->rrdvars, (const DICTIONARY_ITEM *)rva);
- return 1;
- }
-
- rva = rrdvar_get_and_acquire(rrdfamily_rrdvars_dict(st->rrdfamily), variable);
- if(rva) {
- *result = rrdvar2number(rva);
- dictionary_acquired_item_release(rrdfamily_rrdvars_dict(st->rrdfamily), (const DICTIONARY_ITEM *)rva);
- return 1;
- }
-
- rva = rrdvar_get_and_acquire(host->rrdvars, variable);
- if(rva) {
- *result = rrdvar2number(rva);
- dictionary_acquired_item_release(host->rrdvars, (const DICTIONARY_ITEM *)rva);
- return 1;
- }
-
- return 0;
-}
-
-// ----------------------------------------------------------------------------
-// RRDVAR to JSON
-
-struct variable2json_helper {
- BUFFER *buf;
- RRDVAR_FLAGS options;
-};
-
-static int single_variable2json_callback(const DICTIONARY_ITEM *item __maybe_unused, void *entry __maybe_unused, void *helper_data) {
- struct variable2json_helper *helper = (struct variable2json_helper *)helper_data;
- const RRDVAR_ACQUIRED *rva = (const RRDVAR_ACQUIRED *)item;
- NETDATA_DOUBLE value = rrdvar2number(rva);
-
- if (helper->options == RRDVAR_FLAG_NONE || rrdvar_flags(rva) & helper->options) {
- if(unlikely(isnan(value) || isinf(value)))
- buffer_json_member_add_string(helper->buf, rrdvar_name(rva), NULL);
- else
- buffer_json_member_add_double(helper->buf, rrdvar_name(rva), (NETDATA_DOUBLE)value);
- }
-
- return 0;
-}
-
-void health_api_v1_chart_custom_variables2json(RRDSET *st, BUFFER *buf) {
- struct variable2json_helper helper = {.buf = buf, .options = RRDVAR_FLAG_CUSTOM_CHART_VAR};
-
- rrdvar_walkthrough_read(st->rrdvars, single_variable2json_callback, &helper);
-}
-
-void health_api_v1_chart_variables2json(RRDSET *st, BUFFER *buf) {
- RRDHOST *host = st->rrdhost;
-
- struct variable2json_helper helper = {.buf = buf, .options = RRDVAR_FLAG_NONE};
-
- buffer_json_initialize(buf, "\"", "\"", 0, true, BUFFER_JSON_OPTIONS_DEFAULT);
-
- buffer_json_member_add_string(buf, "chart", rrdset_id(st));
- buffer_json_member_add_string(buf, "chart_name", rrdset_name(st));
- buffer_json_member_add_string(buf, "chart_context", rrdset_context(st));
-
- {
- buffer_json_member_add_object(buf, "chart_variables");
- rrdvar_walkthrough_read(st->rrdvars, single_variable2json_callback, &helper);
- buffer_json_object_close(buf);
- }
-
- buffer_json_member_add_string(buf, "family", rrdset_family(st));
-
- {
- buffer_json_member_add_object(buf, "family_variables");
- rrdvar_walkthrough_read(rrdfamily_rrdvars_dict(st->rrdfamily), single_variable2json_callback, &helper);
- buffer_json_object_close(buf);
- }
-
- buffer_json_member_add_string(buf, "host", rrdhost_hostname(host));
-
- {
- buffer_json_member_add_object(buf, "host_variables");
- rrdvar_walkthrough_read(host->rrdvars, single_variable2json_callback, &helper);
- buffer_json_object_close(buf);
- }
-
- buffer_json_finalize(buf);
-}
-
-// ----------------------------------------------------------------------------
-// RRDVAR private members examination
-
-const char *rrdvar_name(const RRDVAR_ACQUIRED *rva) {
- return dictionary_acquired_item_name((const DICTIONARY_ITEM *)rva);
-}
-
-RRDVAR_FLAGS rrdvar_flags(const RRDVAR_ACQUIRED *rva) {
- RRDVAR *rv = dictionary_acquired_item_value((const DICTIONARY_ITEM *)rva);
- return rv->flags;
-}
-RRDVAR_TYPE rrdvar_type(const RRDVAR_ACQUIRED *rva) {
- RRDVAR *rv = dictionary_acquired_item_value((const DICTIONARY_ITEM *)rva);
- return rv->type;
-}