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
|
// SPDX-License-Identifier: GPL-3.0-or-later
#include "storage_engine.h"
#include "ram/rrddim_mem.h"
#ifdef ENABLE_DBENGINE
#include "engine/rrdengineapi.h"
#endif
#define im_collect_ops { \
.init = rrddim_collect_init,\
.store_metric = rrddim_collect_store_metric,\
.finalize = rrddim_collect_finalize\
}
#define im_query_ops { \
.init = rrddim_query_init, \
.next_metric = rrddim_query_next_metric, \
.is_finished = rrddim_query_is_finished, \
.finalize = rrddim_query_finalize, \
.latest_time = rrddim_query_latest_time, \
.oldest_time = rrddim_query_oldest_time \
}
static STORAGE_ENGINE engines[] = {
{
.id = RRD_MEMORY_MODE_NONE,
.name = RRD_MEMORY_MODE_NONE_NAME,
.api = {
.collect_ops = im_collect_ops,
.query_ops = im_query_ops
}
},
{
.id = RRD_MEMORY_MODE_RAM,
.name = RRD_MEMORY_MODE_RAM_NAME,
.api = {
.collect_ops = im_collect_ops,
.query_ops = im_query_ops
}
},
{
.id = RRD_MEMORY_MODE_MAP,
.name = RRD_MEMORY_MODE_MAP_NAME,
.api = {
.collect_ops = im_collect_ops,
.query_ops = im_query_ops
}
},
{
.id = RRD_MEMORY_MODE_SAVE,
.name = RRD_MEMORY_MODE_SAVE_NAME,
.api = {
.collect_ops = im_collect_ops,
.query_ops = im_query_ops
}
},
{
.id = RRD_MEMORY_MODE_ALLOC,
.name = RRD_MEMORY_MODE_ALLOC_NAME,
.api = {
.collect_ops = im_collect_ops,
.query_ops = im_query_ops
}
},
#ifdef ENABLE_DBENGINE
{
.id = RRD_MEMORY_MODE_DBENGINE,
.name = RRD_MEMORY_MODE_DBENGINE_NAME,
.api = {
.collect_ops = {
.init = rrdeng_store_metric_init,
.store_metric = rrdeng_store_metric_next,
.finalize = rrdeng_store_metric_finalize
},
.query_ops = {
.init = rrdeng_load_metric_init,
.next_metric = rrdeng_load_metric_next,
.is_finished = rrdeng_load_metric_is_finished,
.finalize = rrdeng_load_metric_finalize,
.latest_time = rrdeng_metric_latest_time,
.oldest_time = rrdeng_metric_oldest_time
}
}
},
#endif
{ .id = RRD_MEMORY_MODE_NONE, .name = NULL }
};
STORAGE_ENGINE* storage_engine_find(const char* name)
{
for (STORAGE_ENGINE* it = engines; it->name; it++) {
if (strcmp(it->name, name) == 0)
return it;
}
return NULL;
}
STORAGE_ENGINE* storage_engine_get(RRD_MEMORY_MODE mmode)
{
for (STORAGE_ENGINE* it = engines; it->name; it++) {
if (it->id == mmode)
return it;
}
return NULL;
}
STORAGE_ENGINE* storage_engine_foreach_init()
{
// Assuming at least one engine exists
return &engines[0];
}
STORAGE_ENGINE* storage_engine_foreach_next(STORAGE_ENGINE* it)
{
if (!it || !it->name)
return NULL;
it++;
return it->name ? it : NULL;
}
|
