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fix: stuck messages

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Conduit did not send the event in /sync because of a race condition.
There is a brief moment in time where Conduit accepted the event, but
did not store it yet. So when the client /syncs it updates the since
token without sending the event. I hope I fixed it by significantly
shortening the race-condition period.
This commit is contained in:
Timo Kösters 2021-07-01 11:06:05 +02:00
parent 8c44312485
commit 1c25492a7e
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GPG key ID: 24DA7517711A2BA4
4 changed files with 19 additions and 25 deletions
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7
src/client_server/membership.rs
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@ -619,16 +619,9 @@ async fn join_room_by_id_helper(
// pdu without it's state. This is okay because append_pdu can't fail.
let statehashid = db.rooms.append_to_state(&pdu, &db.globals)?;
let count = db.globals.next_count()?;
let mut pdu_id = room_id.as_bytes().to_vec();
pdu_id.push(0xff);
pdu_id.extend_from_slice(&count.to_be_bytes());
db.rooms.append_pdu(
&pdu,
utils::to_canonical_object(&pdu).expect("Pdu is valid canonical object"),
count,
&pdu_id,
&[pdu.event_id.clone()],
db,
)?;