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improvement: cache for short event ids

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This commit is contained in:
Timo Kösters 2021-08-11 21:14:22 +02:00
parent c2c6a8673e
commit 5173d0deb5
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GPG key ID: 356E705610F626D5
3 changed files with 24 additions and 13 deletions
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16
src/database/rooms.rs
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@ -89,6 +89,7 @@ pub struct Rooms {
pub(super) pdu_cache: Mutex<LruCache<EventId, Arc<PduEvent>>>,
pub(super) auth_chain_cache: Mutex<LruCache<u64, HashSet<u64>>>,
pub(super) shorteventid_cache: Mutex<LruCache<u64, EventId>>,
}
impl Rooms {
@ -447,17 +448,28 @@ impl Rooms {
}
pub fn get_eventid_from_short(&self, shorteventid: u64) -> Result<EventId> {
if let Some(id) = self.shorteventid_cache.lock().unwrap().get_mut(&shorteventid) {
return Ok(id.clone());
}
let bytes = self
.shorteventid_eventid
.get(&shorteventid.to_be_bytes())?
.ok_or_else(|| Error::bad_database("Shorteventid does not exist"))?;
EventId::try_from(
let event_id = EventId::try_from(
utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("EventID in roomid_pduleaves is invalid unicode.")
})?,
)
.map_err(|_| Error::bad_database("EventId in roomid_pduleaves is invalid."))
.map_err(|_| Error::bad_database("EventId in roomid_pduleaves is invalid."))?;
self.shorteventid_cache
.lock()
.unwrap()
.insert(shorteventid, event_id.clone());
Ok(event_id)
}
/// Returns the full room state.