diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-03-31 12:58:11 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-03-31 12:58:11 +0000 |
commit | f99c4526d94d3e04124c5c48ab4a3da6ca53a458 (patch) | |
tree | a2ed8860030cc49f492b09b3222d593c65619800 /database/engine/rrdengineapi.c | |
parent | Adding upstream version 1.29.3. (diff) | |
download | netdata-c0ecfccbffe7a59dafa73d092f44c3a9333256e4.tar.xz netdata-c0ecfccbffe7a59dafa73d092f44c3a9333256e4.zip |
Adding upstream version 1.30.0.upstream/1.30.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rwxr-xr-x | database/engine/rrdengineapi.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/database/engine/rrdengineapi.c b/database/engine/rrdengineapi.c index 7b2ff5b72..cb46e06e3 100755 --- a/database/engine/rrdengineapi.c +++ b/database/engine/rrdengineapi.c @@ -691,6 +691,36 @@ time_t rrdeng_metric_oldest_time(RRDDIM *rd) return page_index->oldest_time / USEC_PER_SEC; } +int rrdeng_metric_latest_time_by_uuid(uuid_t *dim_uuid, time_t *first_entry_t, time_t *last_entry_t) +{ + struct page_cache *pg_cache; + struct rrdengine_instance *ctx; + Pvoid_t *PValue; + struct pg_cache_page_index *page_index = NULL; + + ctx = get_rrdeng_ctx_from_host(localhost); + if (unlikely(!ctx)) { + error("Failed to fetch multidb context"); + return 1; + } + pg_cache = &ctx->pg_cache; + + uv_rwlock_rdlock(&pg_cache->metrics_index.lock); + PValue = JudyHSGet(pg_cache->metrics_index.JudyHS_array, dim_uuid, sizeof(uuid_t)); + if (likely(NULL != PValue)) { + page_index = *PValue; + } + uv_rwlock_rdunlock(&pg_cache->metrics_index.lock); + + if (likely(page_index)) { + *first_entry_t = page_index->oldest_time / USEC_PER_SEC; + *last_entry_t = page_index->latest_time / USEC_PER_SEC; + return 0; + } + + return 1; +} + /* Also gets a reference for the page */ void *rrdeng_create_page(struct rrdengine_instance *ctx, uuid_t *id, struct rrdeng_page_descr **ret_descr) { |