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1 // SPDX-License-Identifier: GPL-3.0-or-later
2
3 #include "database/rrd.h"
4 #include "web/api/queries/rrdr.h"
5 #include "health_prototypes.h"
6
7 #ifndef NETDATA_RRDCALC_H
8 #define NETDATA_RRDCALC_H 1
9
10 // calculated variables (defined in health configuration)
11 // These aggregate time-series data at fixed intervals
12 // (defined in their update_every member below)
13 // They increase the overhead of netdata.
14 //
15 // These calculations are stored under RRDHOST.
16 // Then are also linked to RRDSET (of course only when a
17 // matching chart is found).
18
19 typedef enum rrdcalc_status {
20 RRDCALC_STATUS_REMOVED = -2,
21 RRDCALC_STATUS_UNDEFINED = -1,
22 RRDCALC_STATUS_UNINITIALIZED = 0,
23 RRDCALC_STATUS_CLEAR = 1,
24 RRDCALC_STATUS_RAISED = 2, // DO NOT CHANGE THESE NUMBERS
25 RRDCALC_STATUS_WARNING = 3, // DO NOT CHANGE THESE NUMBERS
26 RRDCALC_STATUS_CRITICAL = 4, // DO NOT CHANGE THESE NUMBERS
27 } RRDCALC_STATUS;
28
29 typedef enum {
30 RRDCALC_FLAG_DB_ERROR = (1 << 0),
31 RRDCALC_FLAG_DB_NAN = (1 << 1),
32 // RRDCALC_FLAG_DB_STALE = (1 << 2),
33 RRDCALC_FLAG_CALC_ERROR = (1 << 3),
34 RRDCALC_FLAG_WARN_ERROR = (1 << 4),
35 RRDCALC_FLAG_CRIT_ERROR = (1 << 5),
36 RRDCALC_FLAG_RUNNABLE = (1 << 6),
37 RRDCALC_FLAG_DISABLED = (1 << 7),
38 RRDCALC_FLAG_SILENCED = (1 << 8),
39 RRDCALC_FLAG_RUN_ONCE = (1 << 9),
40 } RRDCALC_FLAGS;
41 void rrdcalc_flags_to_json_array(BUFFER *wb, const char *key, RRDCALC_FLAGS flags);
42
43 #define RRDCALC_ALL_OPTIONS_EXCLUDING_THE_RRDR_ONES (RRDCALC_OPTION_NO_CLEAR_NOTIFICATION)
44
45 struct rrdcalc {
46 uint32_t id; // the unique id of this alarm
47 uint32_t next_event_id; // the next event id that will be used for this alarm
48
49 STRING *key; // the unique key in the host's rrdcalc_root_index
50 STRING *chart; // the chart id this should be linked to
51
52 struct rrd_alert_config config;
53
54 // ------------------------------------------------------------------------
55 // runtime information
56
57 STRING *summary; // the original summary field before any variable replacement
58 STRING *info; // the original info field before any variable replacement
59
60 RRDCALC_STATUS old_status; // the old status of the alarm
61 RRDCALC_STATUS status; // the current status of the alarm
62
63 NETDATA_DOUBLE value; // the current value of the alarm
64 NETDATA_DOUBLE old_value; // the previous value of the alarm
65 NETDATA_DOUBLE last_status_change_value; // the value at the last status change
66
67 RRDCALC_FLAGS run_flags; // check RRDCALC_FLAG_*
68
69 time_t last_updated; // the last update timestamp of the alarm
70 time_t next_update; // the next update timestamp of the alarm
71 time_t last_status_change; // the timestamp of the last time this alarm changed status
72 time_t last_repeat; // the last time the alarm got repeated
73 uint32_t times_repeat; // number of times the alarm got repeated
74
75 time_t db_after; // the first timestamp evaluated by the db lookup
76 time_t db_before; // the last timestamp evaluated by the db lookup
77
78 time_t delay_up_to_timestamp; // the timestamp up to which we should delay notifications
79 int delay_up_current; // the current up notification delay duration
80 int delay_down_current; // the current down notification delay duration
81 int delay_last; // the last delay we used
82
83 // ------------------------------------------------------------------------
84 // the chart this alarm it is linked to
85
86 uint32_t labels_version;
87 struct rrdset *rrdset;
88
89 struct rrdcalc *next;
90 struct rrdcalc *prev;
91 };
92
93 #define rrdcalc_name(rc) string2str((rc)->config.name)
94 #define rrdcalc_chart_name(rc) string2str((rc)->chart)
95 #define rrdcalc_exec(rc) string2str((rc)->config.exec)
96 #define rrdcalc_recipient(rc) string2str((rc)->config.recipient)
97 #define rrdcalc_classification(rc) string2str((rc)->config.classification)
98 #define rrdcalc_component(rc) string2str((rc)->config.component)
99 #define rrdcalc_type(rc) string2str((rc)->config.type)
100 #define rrdcalc_source(rc) string2str((rc)->config.source)
101 #define rrdcalc_units(rc) string2str((rc)->config.units)
102 #define rrdcalc_dimensions(rc) string2str((rc)->config.dimensions)
103
104 #define foreach_rrdcalc_in_rrdhost_write(host, rc) \
105 dfe_start_write((host)->rrdcalc_root_index, rc) \
106
107 #define foreach_rrdcalc_in_rrdhost_read(host, rc) \
108 dfe_start_read((host)->rrdcalc_root_index, rc) \
109
110 #define foreach_rrdcalc_in_rrdhost_reentrant(host, rc) \
111 dfe_start_reentrant((host)->rrdcalc_root_index, rc)
112
113 #define foreach_rrdcalc_in_rrdhost_done(rc) \
114 dfe_done(rc)
115
116 #define RRDCALC_HAS_DB_LOOKUP(rc) ((rc)->config.after)
117
118 void rrdcalc_update_info_using_rrdset_labels(RRDCALC *rc);
119
120 const RRDCALC_ACQUIRED *rrdcalc_from_rrdset_get(RRDSET *st, const char *alert_name);
121 void rrdcalc_from_rrdset_release(RRDSET *st, const RRDCALC_ACQUIRED *rca);
122 RRDCALC *rrdcalc_acquired_to_rrdcalc(const RRDCALC_ACQUIRED *rca);
123
124 const char *rrdcalc_status2string(RRDCALC_STATUS status);
125
126 uint32_t rrdcalc_get_unique_id(RRDHOST *host, STRING *chart, STRING *name, uint32_t *next_event_id, nd_uuid_t *config_hash_id);
127
128 static inline int rrdcalc_isrepeating(RRDCALC *rc) {
129 if (unlikely(rc->config.warn_repeat_every > 0 || rc->config.crit_repeat_every > 0)) {
130 return 1;
131 }
132 return 0;
133 }
134
135 void rrdcalc_unlink_and_delete_all_rrdset_alerts(RRDSET *st);
136 void rrdcalc_delete_all(RRDHOST *host);
137
138 void rrdcalc_rrdhost_index_init(RRDHOST *host);
139 void rrdcalc_rrdhost_index_destroy(RRDHOST *host);
140
141 void rrdcalc_unlink_and_delete(RRDHOST *host, RRDCALC *rc, bool having_ll_wrlock);
142
143 #define RRDCALC_VAR_MAX 100
144 #define RRDCALC_VAR_FAMILY "${family}"
145 #define RRDCALC_VAR_LABEL "${label:"
146 #define RRDCALC_VAR_LABEL_LEN (sizeof(RRDCALC_VAR_LABEL)-1)
147
148 void rrdcalc_child_disconnected(RRDHOST *host);
149
150 #endif //NETDATA_RRDCALC_H