1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
// SPDX-License-Identifier: GPL-3.0-or-later
#define NETDATA_HEALTH_INTERNALS
#include "rrd.h"
// ----------------------------------------------------------------------------
// RRDSETVAR management
// CHART VARIABLES
static inline void rrdsetvar_free_variables(RRDSETVAR *rs) {
RRDSET *st = rs->rrdset;
RRDHOST *host = st->rrdhost;
// ------------------------------------------------------------------------
// CHART
rrdvar_free(host, &st->rrdvar_root_index, rs->var_local);
rs->var_local = NULL;
// ------------------------------------------------------------------------
// FAMILY
rrdvar_free(host, &st->rrdfamily->rrdvar_root_index, rs->var_family);
rs->var_family = NULL;
rrdvar_free(host, &st->rrdfamily->rrdvar_root_index, rs->var_family_name);
rs->var_family_name = NULL;
// ------------------------------------------------------------------------
// HOST
rrdvar_free(host, &host->rrdvar_root_index, rs->var_host);
rs->var_host = NULL;
rrdvar_free(host, &host->rrdvar_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) {
RRDSET *st = rs->rrdset;
RRDHOST *host = st->rrdhost;
RRDVAR_OPTIONS options = rs->options;
if(rs->options & RRDVAR_OPTION_ALLOCATED)
options &= ~ RRDVAR_OPTION_ALLOCATED;
// ------------------------------------------------------------------------
// free the old ones (if any)
rrdsetvar_free_variables(rs);
// ------------------------------------------------------------------------
// 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->rrdvar_root_index, rs->variable, rs->type, options, rs->value);
// ------------------------------------------------------------------------
// FAMILY
rs->var_family = rrdvar_create_and_index("family", &st->rrdfamily->rrdvar_root_index, rs->key_fullid, rs->type, options, rs->value);
rs->var_family_name = rrdvar_create_and_index("family", &st->rrdfamily->rrdvar_root_index, rs->key_fullname, rs->type, options, rs->value);
// ------------------------------------------------------------------------
// HOST
rs->var_host = rrdvar_create_and_index("host", &host->rrdvar_root_index, rs->key_fullid, rs->type, options, rs->value);
rs->var_host_name = rrdvar_create_and_index("host", &host->rrdvar_root_index, rs->key_fullname, rs->type, options, rs->value);
}
RRDSETVAR *rrdsetvar_create(RRDSET *st, const char *variable, RRDVAR_TYPE type, void *value, RRDVAR_OPTIONS 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->hash = simple_hash(rs->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;
for(rs = st->variables; rs ; rs = 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);
if(rs->options & RRDVAR_OPTION_ALLOCATED)
freez(rs->value);
freez(rs);
}
// --------------------------------------------------------------------------------------------------------------------
// custom chart variables
RRDSETVAR *rrdsetvar_custom_chart_variable_create(RRDSET *st, const char *name) {
RRDHOST *host = st->rrdhost;
char *n = strdupz(name);
rrdvar_fix_name(n);
uint32_t hash = simple_hash(n);
rrdset_wrlock(st);
// find it
RRDSETVAR *rs;
for(rs = st->variables; rs ; rs = rs->next) {
if(hash == rs->hash && strcmp(n, rs->variable) == 0) {
rrdset_unlock(st);
if(rs->options & RRDVAR_OPTION_CUSTOM_CHART_VAR) {
freez(n);
return rs;
}
else {
error("RRDSETVAR: custom variable '%s' on chart '%s' of host '%s', conflicts with an internal chart variable", n, st->id, host->hostname);
freez(n);
return NULL;
}
}
}
// not found, allocate one
NETDATA_DOUBLE *v = mallocz(sizeof(NETDATA_DOUBLE));
*v = NAN;
rs = rrdsetvar_create(st, n, RRDVAR_TYPE_CALCULATED, v, RRDVAR_OPTION_ALLOCATED|RRDVAR_OPTION_CUSTOM_CHART_VAR);
rrdset_unlock(st);
freez(n);
return rs;
}
void rrdsetvar_custom_chart_variable_set(RRDSETVAR *rs, NETDATA_DOUBLE value) {
if(rs->type != RRDVAR_TYPE_CALCULATED || !(rs->options & RRDVAR_OPTION_CUSTOM_CHART_VAR) || !(rs->options & RRDVAR_OPTION_ALLOCATED)) {
error("RRDSETVAR: requested to set variable '%s' of chart '%s' on host '%s' to value " NETDATA_DOUBLE_FORMAT
" but the variable is not a custom chart one.", rs->variable, rs->rrdset->id, rs->rrdset->rrdhost->hostname, value);
}
else {
NETDATA_DOUBLE *v = rs->value;
if(*v != value) {
*v = value;
// mark the chart to be sent upstream
rrdset_flag_clear(rs->rrdset, RRDSET_FLAG_UPSTREAM_EXPOSED);
}
}
}
|
