fix: make appservices more efficient

src/client_server/sync.rs

@@ -246,12 +246,6 @@ async fn sync_helper(
             .current_shortstatehash(&room_id)?
             .expect("All rooms have state");
 
-        let pdus_after_since = db
-            .rooms
-            .pdus_after(&sender_user, &room_id, since)?
-            .next()
-            .is_some();
-
         let since_shortstatehash = db.rooms.get_token_shortstatehash(&room_id, since)?;
 
         // Calculates joined_member_count, invited_member_count and heroes
@@ -341,7 +335,7 @@ async fn sync_helper(
                 true,
                 state_events,
             )
-        } else if !pdus_after_since && since_shortstatehash == Some(current_shortstatehash) {
+        } else if timeline_pdus.len() == 0 && since_shortstatehash == Some(current_shortstatehash) {
             // No state changes
             (Vec::new(), None, None, false, Vec::new())
         } else {
@@ -401,10 +395,7 @@ async fn sync_helper(
 
             let send_member_count = state_events
                 .iter()
-                .any(|event| event.kind == EventType::RoomMember)
-                || timeline_pdus.iter().any(|(_, event)| {
-                    event.state_key.is_some() && event.kind == EventType::RoomMember
-                });
+                .any(|event| event.kind == EventType::RoomMember);
 
             if encrypted_room {
                 for state_event in &state_events {

src/database.rs

@@ -287,8 +287,9 @@ impl Database {
                 eventidshort_cache: Mutex::new(LruCache::new(1_000_000)),
                 shortstatekey_cache: Mutex::new(LruCache::new(1_000_000)),
                 statekeyshort_cache: Mutex::new(LruCache::new(1_000_000)),
-                stateinfo_cache: Mutex::new(LruCache::new(1000)),
                 our_real_users_cache: RwLock::new(HashMap::new()),
+                appservice_in_room_cache: RwLock::new(HashMap::new()),
+                stateinfo_cache: Mutex::new(LruCache::new(1000)),
             },
             account_data: account_data::AccountData {
                 roomuserdataid_accountdata: builder.open_tree("roomuserdataid_accountdata")?,

src/database/abstraction/sqlite.rs

@@ -148,6 +148,7 @@ type TupleOfBytes = (Vec<u8>, Vec<u8>);
 impl SqliteTable {
     #[tracing::instrument(skip(self, guard, key))]
     fn get_with_guard(&self, guard: &Connection, key: &[u8]) -> Result<Option<Vec<u8>>> {
+        //dbg!(&self.name);
         Ok(guard
             .prepare(format!("SELECT value FROM {} WHERE key = ?", self.name).as_str())?
             .query_row([key], |row| row.get(0))
@@ -156,6 +157,7 @@ impl SqliteTable {
 
     #[tracing::instrument(skip(self, guard, key, value))]
     fn insert_with_guard(&self, guard: &Connection, key: &[u8], value: &[u8]) -> Result<()> {
+        //dbg!(&self.name);
         guard.execute(
             format!(
                 "INSERT OR REPLACE INTO {} (key, value) VALUES (?, ?)",
@@ -182,11 +184,16 @@ impl SqliteTable {
 
         let statement_ref = NonAliasingBox(statement);
 
+        //let name = self.name.clone();
+
         let iterator = Box::new(
             statement
                 .query_map([], |row| Ok((row.get_unwrap(0), row.get_unwrap(1))))
                 .unwrap()
-                .map(|r| r.unwrap()),
+                .map(move |r| {
+                    //dbg!(&name);
+                    r.unwrap()
+                }),
         );
 
         Box::new(PreparedStatementIterator {
@@ -294,6 +301,8 @@ impl Tree for SqliteTable {
         let guard = self.engine.read_lock_iterator();
         let from = from.to_vec(); // TODO change interface?
 
+        //let name = self.name.clone();
+
         if backwards {
             let statement = Box::leak(Box::new(
                 guard
@@ -310,7 +319,10 @@ impl Tree for SqliteTable {
                 statement
                     .query_map([from], |row| Ok((row.get_unwrap(0), row.get_unwrap(1))))
                     .unwrap()
-                    .map(|r| r.unwrap()),
+                    .map(move |r| {
+                        //dbg!(&name);
+                        r.unwrap()
+                    }),
             );
             Box::new(PreparedStatementIterator {
                 iterator,
@@ -332,7 +344,10 @@ impl Tree for SqliteTable {
                 statement
                     .query_map([from], |row| Ok((row.get_unwrap(0), row.get_unwrap(1))))
                     .unwrap()
-                    .map(|r| r.unwrap()),
+                    .map(move |r| {
+                        //dbg!(&name);
+                        r.unwrap()
+                    }),
             );
 
             Box::new(PreparedStatementIterator {

src/database/rooms.rs

@@ -103,6 +103,7 @@ pub struct Rooms {
     pub(super) statekeyshort_cache: Mutex<LruCache<(EventType, String), u64>>,
     pub(super) shortstatekey_cache: Mutex<LruCache<u64, (EventType, String)>>,
     pub(super) our_real_users_cache: RwLock<HashMap<RoomId, Arc<HashSet<UserId>>>>,
+    pub(super) appservice_in_room_cache: RwLock<HashMap<RoomId, HashMap<String, bool>>>,
     pub(super) stateinfo_cache: Mutex<
         LruCache<
             u64,
@@ -2110,6 +2111,11 @@ impl Rooms {
         }
 
         for appservice in db.appservice.all()? {
+            if self.appservice_in_room(room_id, &appservice, db)? {
+                db.sending.send_pdu_appservice(&appservice.0, &pdu_id)?;
+                continue;
+            }
+
             if let Some(namespaces) = appservice.1.get("namespaces") {
                 let users = namespaces
                     .get("users")
@@ -2133,17 +2139,6 @@ impl Rooms {
                     .get("rooms")
                     .and_then(|rooms| rooms.as_sequence());
 
-                let bridge_user_id = appservice
-                    .1
-                    .get("sender_localpart")
-                    .and_then(|string| string.as_str())
-                    .and_then(|string| {
-                        UserId::parse_with_server_name(string, db.globals.server_name()).ok()
-                    });
-
-                let user_is_joined =
-                    |bridge_user_id| self.is_joined(&bridge_user_id, room_id).unwrap_or(false);
-
                 let matching_users = |users: &Regex| {
                     users.is_match(pdu.sender.as_str())
                         || pdu.kind == EventType::RoomMember
@@ -2151,9 +2146,6 @@ impl Rooms {
                                 .state_key
                                 .as_ref()
                                 .map_or(false, |state_key| users.is_match(&state_key))
-                        || self.room_members(&room_id).any(|userid| {
-                            userid.map_or(false, |userid| users.is_match(userid.as_str()))
-                        })
                 };
                 let matching_aliases = |aliases: &Regex| {
                     self.room_aliases(&room_id)
@@ -2161,8 +2153,7 @@ impl Rooms {
                         .any(|room_alias| aliases.is_match(room_alias.as_str()))
                 };
 
-                if bridge_user_id.map_or(false, user_is_joined)
-                    || aliases.iter().any(matching_aliases)
+                if aliases.iter().any(matching_aliases)
                     || rooms.map_or(false, |rooms| rooms.contains(&room_id.as_str().into()))
                     || users.iter().any(matching_users)
                 {
@@ -2579,6 +2570,11 @@ impl Rooms {
             self.serverroomids.insert(&serverroom_id, &[])?;
         }
 
+        self.appservice_in_room_cache
+            .write()
+            .unwrap()
+            .remove(room_id);
+
         Ok(())
     }
 
@@ -2608,6 +2604,65 @@ impl Rooms {
         }
     }
 
+    #[tracing::instrument(skip(self, room_id, appservice, db))]
+    pub fn appservice_in_room(
+        &self,
+        room_id: &RoomId,
+        appservice: &(String, serde_yaml::Value),
+        db: &Database,
+    ) -> Result<bool> {
+        let maybe = self
+            .appservice_in_room_cache
+            .read()
+            .unwrap()
+            .get(room_id)
+            .and_then(|map| map.get(&appservice.0))
+            .copied();
+
+        if let Some(b) = maybe {
+            Ok(b)
+        } else {
+            if let Some(namespaces) = appservice.1.get("namespaces") {
+                let users = namespaces
+                    .get("users")
+                    .and_then(|users| users.as_sequence())
+                    .map_or_else(Vec::new, |users| {
+                        users
+                            .iter()
+                            .filter_map(|users| Regex::new(users.get("regex")?.as_str()?).ok())
+                            .collect::<Vec<_>>()
+                    });
+
+                let bridge_user_id = appservice
+                    .1
+                    .get("sender_localpart")
+                    .and_then(|string| string.as_str())
+                    .and_then(|string| {
+                        UserId::parse_with_server_name(string, db.globals.server_name()).ok()
+                    });
+
+                let in_room = bridge_user_id
+                    .map_or(false, |id| self.is_joined(&id, room_id).unwrap_or(false))
+                    || self.room_members(&room_id).any(|userid| {
+                        userid.map_or(false, |userid| {
+                            users.iter().any(|r| r.is_match(userid.as_str()))
+                        })
+                    });
+
+                self.appservice_in_room_cache
+                    .write()
+                    .unwrap()
+                    .entry(room_id.clone())
+                    .or_default()
+                    .insert(appservice.0.clone(), in_room);
+
+                Ok(in_room)
+            } else {
+                Ok(false)
+            }
+        }
+    }
+
     #[tracing::instrument(skip(self, db))]
     pub async fn leave_room(
         &self,

src/server_server.rs

@@ -48,7 +48,7 @@ use ruma::{
     state_res::{self, RoomVersion, StateMap},
     to_device::DeviceIdOrAllDevices,
     uint, EventId, MilliSecondsSinceUnixEpoch, RoomId, RoomVersionId, ServerName,
-    ServerSigningKeyId, UserId,
+    ServerSigningKeyId,
 };
 use std::{
     collections::{btree_map, hash_map, BTreeMap, BTreeSet, HashMap, HashSet},
@@ -2017,6 +2017,11 @@ fn append_incoming_pdu(
     )?;
 
     for appservice in db.appservice.all()? {
+        if db.rooms.appservice_in_room(&pdu.room_id, &appservice, db)? {
+            db.sending.send_pdu_appservice(&appservice.0, &pdu_id)?;
+            continue;
+        }
+
         if let Some(namespaces) = appservice.1.get("namespaces") {
             let users = namespaces
                 .get("users")
@@ -2029,45 +2034,35 @@ fn append_incoming_pdu(
                 });
             let aliases = namespaces
                 .get("aliases")
-                .and_then(|users| users.get("regex"))
-                .and_then(|regex| regex.as_str())
-                .and_then(|regex| Regex::new(regex).ok());
+                .and_then(|aliases| aliases.as_sequence())
+                .map_or_else(Vec::new, |aliases| {
+                    aliases
+                        .iter()
+                        .filter_map(|aliases| Regex::new(aliases.get("regex")?.as_str()?).ok())
+                        .collect::<Vec<_>>()
+                });
             let rooms = namespaces
                 .get("rooms")
                 .and_then(|rooms| rooms.as_sequence());
 
-            let room_aliases = db.rooms.room_aliases(&pdu.room_id);
-
-            let bridge_user_id = appservice
-                .1
-                .get("sender_localpart")
-                .and_then(|string| string.as_str())
-                .and_then(|string| {
-                    UserId::parse_with_server_name(string, db.globals.server_name()).ok()
-                });
-
-            #[allow(clippy::blocks_in_if_conditions)]
-            if bridge_user_id.map_or(false, |bridge_user_id| {
-                db.rooms
-                    .is_joined(&bridge_user_id, &pdu.room_id)
-                    .unwrap_or(false)
-            }) || users.iter().any(|users| {
+            let matching_users = |users: &Regex| {
                 users.is_match(pdu.sender.as_str())
                     || pdu.kind == EventType::RoomMember
                         && pdu
                             .state_key
                             .as_ref()
                             .map_or(false, |state_key| users.is_match(&state_key))
-            }) || aliases.map_or(false, |aliases| {
-                room_aliases
+            };
+            let matching_aliases = |aliases: &Regex| {
+                db.rooms
+                    .room_aliases(&pdu.room_id)
                     .filter_map(|r| r.ok())
                     .any(|room_alias| aliases.is_match(room_alias.as_str()))
-            }) || rooms.map_or(false, |rooms| rooms.contains(&pdu.room_id.as_str().into()))
-                || db
-                    .rooms
-                    .room_members(&pdu.room_id)
-                    .filter_map(|r| r.ok())
-                    .any(|member| users.iter().any(|regex| regex.is_match(member.as_str())))
+            };
+
+            if aliases.iter().any(matching_aliases)
+                || rooms.map_or(false, |rooms| rooms.contains(&pdu.room_id.as_str().into()))
+                || users.iter().any(matching_users)
             {
                 db.sending.send_pdu_appservice(&appservice.0, &pdu_id)?;
             }