src/block.c


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

#include <string.h>
#include <assert.h>

#include "block.h"
#include "util.h"
#include "any_log.h"

void block_update(block_t *block)
{
    if (block->update_fn != NULL) {
        struct timespec now, diff;
        timespec_get(&now, TIME_UTC);
        diff = timespec_diff(now, block->update_last);

        if (timespec_greater(diff, block->update_interval)) {
            log_value_trace("Updating block",
                            "s:label", block->label,
                            "g:ts", ANY_LOG_FORMATTER(timespec_print), &now);

            block->update_fn(block);
            block->update_last = now;
        }
    }

    // NOTE: Block spec should handle its children by itself...
    //
    if (block->type == BLOCK_GROUP) {
        block_group_t *group = (block_group_t *)block;
        for (size_t i = 0; i < group->n_children; i++)
            block_update(group->children[i]);
    }
}

void block_free(block_t *block)
{
    free(block->label);
    assert(block->clean_fn != NULL);
    block->clean_fn(block);
    free(block);
}