mirror of
https://github.com/netdata/netdata.git
synced 2021-06-06 23:03:21 +03:00
adec24dffa
Before:
```
struct foobar {
avl avl;
...
}
```
After:
```
struct foobar {
avl_t avl;
...
};
```
Which makes figuring out the type from field name easier.
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#define NETDATA_RRD_INTERNALS
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#include "rrd.h"
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// ----------------------------------------------------------------------------
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// RRDFAMILY index
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int rrdfamily_compare(void *a, void *b) {
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if(((RRDFAMILY *)a)->hash_family < ((RRDFAMILY *)b)->hash_family) return -1;
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else if(((RRDFAMILY *)a)->hash_family > ((RRDFAMILY *)b)->hash_family) return 1;
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else return strcmp(((RRDFAMILY *)a)->family, ((RRDFAMILY *)b)->family);
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}
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#define rrdfamily_index_add(host, rc) (RRDFAMILY *)avl_insert_lock(&((host)->rrdfamily_root_index), (avl_t *)(rc))
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#define rrdfamily_index_del(host, rc) (RRDFAMILY *)avl_remove_lock(&((host)->rrdfamily_root_index), (avl_t *)(rc))
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static RRDFAMILY *rrdfamily_index_find(RRDHOST *host, const char *id, uint32_t hash) {
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RRDFAMILY tmp;
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tmp.family = id;
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tmp.hash_family = (hash)?hash:simple_hash(tmp.family);
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return (RRDFAMILY *)avl_search_lock(&(host->rrdfamily_root_index), (avl_t *) &tmp);
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}
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RRDFAMILY *rrdfamily_create(RRDHOST *host, const char *id) {
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RRDFAMILY *rc = rrdfamily_index_find(host, id, 0);
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if(!rc) {
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rc = callocz(1, sizeof(RRDFAMILY));
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rc->family = strdupz(id);
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rc->hash_family = simple_hash(rc->family);
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// initialize the variables index
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avl_init_lock(&rc->rrdvar_root_index, rrdvar_compare);
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RRDFAMILY *ret = rrdfamily_index_add(host, rc);
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if(ret != rc)
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error("RRDFAMILY: INTERNAL ERROR: Expected to INSERT RRDFAMILY '%s' into index, but inserted '%s'.", rc->family, (ret)?ret->family:"NONE");
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}
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rc->use_count++;
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return rc;
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}
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void rrdfamily_free(RRDHOST *host, RRDFAMILY *rc) {
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rc->use_count--;
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if(!rc->use_count) {
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RRDFAMILY *ret = rrdfamily_index_del(host, rc);
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if(ret != rc)
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error("RRDFAMILY: INTERNAL ERROR: Expected to DELETE RRDFAMILY '%s' from index, but deleted '%s'.", rc->family, (ret)?ret->family:"NONE");
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else {
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debug(D_RRD_CALLS, "RRDFAMILY: Cleaning up remaining family variables for host '%s', family '%s'", host->hostname, rc->family);
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rrdvar_free_remaining_variables(host, &rc->rrdvar_root_index);
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freez((void *) rc->family);
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freez(rc);
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}
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}
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}
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