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improvement: make more things async

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This commit is contained in:
Timo Kösters 2022-06-18 16:38:41 +02:00
parent 9b898248c7
commit 0bc03e90a1
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GPG key ID: 24DA7517711A2BA4
7 changed files with 244 additions and 155 deletions
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139
src/server_server.rs
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@ -691,7 +691,7 @@ pub async fn send_transaction_message_route(
.roomid_mutex_federation
.write()
.unwrap()
.entry(room_id.clone())
.entry(room_id.to_owned())
.or_default(),
);
let mutex_lock = mutex.lock().await;
@ -1054,6 +1054,25 @@ pub(crate) async fn handle_incoming_pdu<'a>(
}
}
if let Some((time, tries)) = db
.globals
.bad_event_ratelimiter
.read()
.unwrap()
.get(&*prev_id)
{
// Exponential backoff
let mut min_elapsed_duration = Duration::from_secs(5 * 60) * (*tries) * (*tries);
if min_elapsed_duration > Duration::from_secs(60 * 60 * 24) {
min_elapsed_duration = Duration::from_secs(60 * 60 * 24);
}
if time.elapsed() < min_elapsed_duration {
info!("Backing off from {}", prev_id);
continue;
}
}
if errors >= 5 {
break;
}
@ -1068,7 +1087,6 @@ pub(crate) async fn handle_incoming_pdu<'a>(
.write()
.unwrap()
.insert(room_id.to_owned(), ((*prev_id).to_owned(), start_time));
let event_id = pdu.event_id.clone();
if let Err(e) = upgrade_outlier_to_timeline_pdu(
pdu,
json,
@ -1081,7 +1099,21 @@ pub(crate) async fn handle_incoming_pdu<'a>(
.await
{
errors += 1;
warn!("Prev event {} failed: {}", event_id, e);
warn!("Prev event {} failed: {}", prev_id, e);
match db
.globals
.bad_event_ratelimiter
.write()
.unwrap()
.entry((*prev_id).to_owned())
{
hash_map::Entry::Vacant(e) => {
e.insert((Instant::now(), 1));
}
hash_map::Entry::Occupied(mut e) => {
*e.get_mut() = (Instant::now(), e.get().1 + 1)
}
}
}
let elapsed = start_time.elapsed();
db.globals
@ -1091,7 +1123,7 @@ pub(crate) async fn handle_incoming_pdu<'a>(
.remove(&room_id.to_owned());
warn!(
"Handling prev event {} took {}m{}s",
event_id,
prev_id,
elapsed.as_secs() / 60,
elapsed.as_secs() % 60
);
@ -1321,8 +1353,11 @@ async fn upgrade_outlier_to_timeline_pdu(
.pdu_shortstatehash(prev_event)
.map_err(|_| "Failed talking to db".to_owned())?;
let state =
prev_event_sstatehash.map(|shortstatehash| db.rooms.state_full_ids(shortstatehash));
let state = if let Some(shortstatehash) = prev_event_sstatehash {
Some(db.rooms.state_full_ids(shortstatehash).await)
} else {
None
};
if let Some(Ok(mut state)) = state {
info!("Using cached state");
@ -1378,6 +1413,7 @@ async fn upgrade_outlier_to_timeline_pdu(
let mut leaf_state: BTreeMap<_, _> = db
.rooms
.state_full_ids(sstatehash)
.await
.map_err(|_| "Failed to ask db for room state.".to_owned())?;
if let Some(state_key) = &prev_event.state_key {
@ -1409,6 +1445,7 @@ async fn upgrade_outlier_to_timeline_pdu(
auth_chain_sets.push(
get_auth_chain(room_id, starting_events, db)
.await
.map_err(|_| "Failed to load auth chain.".to_owned())?
.collect(),
);
@ -1535,6 +1572,7 @@ async fn upgrade_outlier_to_timeline_pdu(
let state_at_incoming_event =
state_at_incoming_event.expect("we always set this to some above");
info!("Starting auth check");
// 11. Check the auth of the event passes based on the state of the event
let check_result = state_res::event_auth::auth_check(
&room_version,
@ -1554,7 +1592,7 @@ async fn upgrade_outlier_to_timeline_pdu(
if !check_result {
return Err("Event has failed auth check with state at the event.".into());
}
info!("Auth check succeeded.");
info!("Auth check succeeded");
// We start looking at current room state now, so lets lock the room
@ -1570,6 +1608,7 @@ async fn upgrade_outlier_to_timeline_pdu(
// Now we calculate the set of extremities this room has after the incoming event has been
// applied. We start with the previous extremities (aka leaves)
info!("Calculating extremities");
let mut extremities = db
.rooms
.get_pdu_leaves(room_id)
@ -1585,28 +1624,7 @@ async fn upgrade_outlier_to_timeline_pdu(
// Only keep those extremities were not referenced yet
extremities.retain(|id| !matches!(db.rooms.is_event_referenced(room_id, id), Ok(true)));
let current_sstatehash = db
.rooms
.current_shortstatehash(room_id)
.map_err(|_| "Failed to load current state hash.".to_owned())?
.expect("every room has state");
let current_state_ids = db
.rooms
.state_full_ids(current_sstatehash)
.map_err(|_| "Failed to load room state.")?;
let auth_events = db
.rooms
.get_auth_events(
room_id,
&incoming_pdu.kind,
&incoming_pdu.sender,
incoming_pdu.state_key.as_deref(),
&incoming_pdu.content,
)
.map_err(|_| "Failed to get_auth_events.".to_owned())?;
info!("Compressing state at event");
let state_ids_compressed = state_at_incoming_event
.iter()
.map(|(shortstatekey, id)| {
@ -1619,6 +1637,17 @@ async fn upgrade_outlier_to_timeline_pdu(
// 13. Check if the event passes auth based on the "current state" of the room, if not "soft fail" it
info!("Starting soft fail auth check");
let auth_events = db
.rooms
.get_auth_events(
room_id,
&incoming_pdu.kind,
&incoming_pdu.sender,
incoming_pdu.state_key.as_deref(),
&incoming_pdu.content,
)
.map_err(|_| "Failed to get_auth_events.".to_owned())?;
let soft_fail = !state_res::event_auth::auth_check(
&room_version,
&incoming_pdu,
@ -1651,6 +1680,19 @@ async fn upgrade_outlier_to_timeline_pdu(
}
if incoming_pdu.state_key.is_some() {
info!("Loading current room state ids");
let current_sstatehash = db
.rooms
.current_shortstatehash(room_id)
.map_err(|_| "Failed to load current state hash.".to_owned())?
.expect("every room has state");
let current_state_ids = db
.rooms
.state_full_ids(current_sstatehash)
.await
.map_err(|_| "Failed to load room state.")?;
info!("Preparing for stateres to derive new room state");
let mut extremity_sstatehashes = HashMap::new();
@ -1738,6 +1780,7 @@ async fn upgrade_outlier_to_timeline_pdu(
state.iter().map(|(_, id)| id.clone()).collect(),
db,
)
.await
.map_err(|_| "Failed to load auth chain.".to_owned())?
.collect(),
);
@ -1899,11 +1942,17 @@ pub(crate) fn fetch_and_handle_outliers<'a>(
let mut todo_auth_events = vec![Arc::clone(id)];
let mut events_in_reverse_order = Vec::new();
let mut events_all = HashSet::new();
let mut i = 0;
while let Some(next_id) = todo_auth_events.pop() {
if events_all.contains(&next_id) {
continue;
}
i += 1;
if i % 100 == 0 {
tokio::task::yield_now().await;
}
if let Ok(Some(_)) = db.rooms.get_pdu(&next_id) {
trace!("Found {} in db", id);
continue;
@ -2242,7 +2291,7 @@ fn append_incoming_pdu<'a>(
}
#[tracing::instrument(skip(starting_events, db))]
pub(crate) fn get_auth_chain<'a>(
pub(crate) async fn get_auth_chain<'a>(
room_id: &RoomId,
starting_events: Vec<Arc<EventId>>,
db: &'a Database,
@ -2251,10 +2300,15 @@ pub(crate) fn get_auth_chain<'a>(
let mut buckets = vec![BTreeSet::new(); NUM_BUCKETS];
let mut i = 0;
for id in starting_events {
let short = db.rooms.get_or_create_shorteventid(&id, &db.globals)?;
let bucket_id = (short % NUM_BUCKETS as u64) as usize;
buckets[bucket_id].insert((short, id.clone()));
i += 1;
if i % 100 == 0 {
tokio::task::yield_now().await;
}
}
let mut full_auth_chain = HashSet::new();
@ -2277,6 +2331,7 @@ pub(crate) fn get_auth_chain<'a>(
let mut chunk_cache = HashSet::new();
let mut hits2 = 0;
let mut misses2 = 0;
let mut i = 0;
for (sevent_id, event_id) in chunk {
if let Some(cached) = db.rooms.get_auth_chain_from_cache(&[sevent_id])? {
hits2 += 1;
@ -2292,6 +2347,11 @@ pub(crate) fn get_auth_chain<'a>(
auth_chain.len()
);
chunk_cache.extend(auth_chain.iter());
i += 1;
if i % 100 == 0 {
tokio::task::yield_now().await;
}
};
}
println!(
@ -2512,7 +2572,7 @@ pub async fn get_event_authorization_route(
let room_id = <&RoomId>::try_from(room_id_str)
.map_err(|_| Error::bad_database("Invalid room id field in event in database"))?;
let auth_chain_ids = get_auth_chain(room_id, vec![Arc::from(&*body.event_id)], &db)?;
let auth_chain_ids = get_auth_chain(room_id, vec![Arc::from(&*body.event_id)], &db).await?;
Ok(get_event_authorization::v1::Response {
auth_chain: auth_chain_ids
@ -2557,7 +2617,8 @@ pub async fn get_room_state_route(
let pdus = db
.rooms
.state_full_ids(shortstatehash)?
.state_full_ids(shortstatehash)
.await?
.into_iter()
.map(|(_, id)| {
PduEvent::convert_to_outgoing_federation_event(
@ -2566,7 +2627,8 @@ pub async fn get_room_state_route(
})
.collect();
let auth_chain_ids = get_auth_chain(&body.room_id, vec![Arc::from(&*body.event_id)], &db)?;
let auth_chain_ids =
get_auth_chain(&body.room_id, vec![Arc::from(&*body.event_id)], &db).await?;
Ok(get_room_state::v1::Response {
auth_chain: auth_chain_ids
@ -2616,12 +2678,14 @@ pub async fn get_room_state_ids_route(
let pdu_ids = db
.rooms
.state_full_ids(shortstatehash)?
.state_full_ids(shortstatehash)
.await?
.into_iter()
.map(|(_, id)| (*id).to_owned())
.collect();
let auth_chain_ids = get_auth_chain(&body.room_id, vec![Arc::from(&*body.event_id)], &db)?;
let auth_chain_ids =
get_auth_chain(&body.room_id, vec![Arc::from(&*body.event_id)], &db).await?;
Ok(get_room_state_ids::v1::Response {
auth_chain_ids: auth_chain_ids.map(|id| (*id).to_owned()).collect(),
@ -2927,12 +2991,13 @@ async fn create_join_event(
))?;
drop(mutex_lock);
let state_ids = db.rooms.state_full_ids(shortstatehash)?;
let state_ids = db.rooms.state_full_ids(shortstatehash).await?;
let auth_chain_ids = get_auth_chain(
room_id,
state_ids.iter().map(|(_, id)| id.clone()).collect(),
db,
)?;
)
.await?;
let servers = db
.rooms