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refactor: remove previous typing implementation and add sync wakeup for new one

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This commit is contained in:
Timo Kösters 2024-03-22 08:22:15 +01:00
parent 6bd7ff4917
commit d2817679e5
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GPG key ID: 0B25E636FBA7E4CB
11 changed files with 101 additions and 185 deletions
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9
src/api/client_server/sync.rs
View file

@ -1055,7 +1055,14 @@ async fn load_joined_room(
.map(|(_, _, v)| v)
.collect();
if services().rooms.edus.typing.last_typing_update(room_id).await? > since {
if services()
.rooms
.edus
.typing
.last_typing_update(room_id)
.await?
> since
{
edus.push(
serde_json::from_str(
&serde_json::to_string(&services().rooms.edus.typing.typings_all(room_id).await?)

18
src/api/client_server/typing.rs
View file

@ -23,17 +23,23 @@ pub async fn create_typing_event_route(
}
if let Typing::Yes(duration) = body.state {
services().rooms.edus.typing.typing_add(
sender_user,
&body.room_id,
duration.as_millis() as u64 + utils::millis_since_unix_epoch(),
).await?;
services()
.rooms
.edus
.typing
.typing_add(
sender_user,
&body.room_id,
duration.as_millis() as u64 + utils::millis_since_unix_epoch(),
)
.await?;
} else {
services()
.rooms
.edus
.typing
.typing_remove(sender_user, &body.room_id).await?;
.typing_remove(sender_user, &body.room_id)
.await?;
}
Ok(create_typing_event::v3::Response {})

18
src/api/server_server.rs
View file

@ -826,17 +826,23 @@ pub async fn send_transaction_message_route(
.is_joined(&typing.user_id, &typing.room_id)?
{
if typing.typing {
services().rooms.edus.typing.typing_add(
&typing.user_id,
&typing.room_id,
3000 + utils::millis_since_unix_epoch(),
).await?;
services()
.rooms
.edus
.typing
.typing_add(
&typing.user_id,
&typing.room_id,
3000 + utils::millis_since_unix_epoch(),
)
.await?;
} else {
services()
.rooms
.edus
.typing
.typing_remove(&typing.user_id, &typing.room_id).await?;
.typing_remove(&typing.user_id, &typing.room_id)
.await?;
}
}
}

4
src/database/key_value/globals.rs
View file

@ -94,7 +94,9 @@ impl service::globals::Data for KeyValueDatabase {
futures.push(self.pduid_pdu.watch_prefix(&short_roomid));
// EDUs
futures.push(self.roomid_lasttypingupdate.watch_prefix(&roomid_bytes));
futures.push(Box::into_pin(Box::new(async move {
let _result = services().rooms.edus.typing.wait_for_update(&room_id).await;
})));
futures.push(self.readreceiptid_readreceipt.watch_prefix(&roomid_prefix));

1
src/database/key_value/rooms/edus/mod.rs
View file

@ -1,6 +1,5 @@
mod presence;
mod read_receipt;
mod typing;
use crate::{database::KeyValueDatabase, service};

127
src/database/key_value/rooms/edus/typing.rs
View file

@ -1,127 +0,0 @@
use std::{collections::HashSet, mem};
use ruma::{OwnedUserId, RoomId, UserId};
use crate::{database::KeyValueDatabase, service, services, utils, Error, Result};
impl service::rooms::edus::typing::Data for KeyValueDatabase {
fn typing_add(&self, user_id: &UserId, room_id: &RoomId, timeout: u64) -> Result<()> {
let mut prefix = room_id.as_bytes().to_vec();
prefix.push(0xff);
let count = services().globals.next_count()?.to_be_bytes();
let mut room_typing_id = prefix;
room_typing_id.extend_from_slice(&timeout.to_be_bytes());
room_typing_id.push(0xff);
room_typing_id.extend_from_slice(&count);
self.typingid_userid
.insert(&room_typing_id, user_id.as_bytes())?;
self.roomid_lasttypingupdate
.insert(room_id.as_bytes(), &count)?;
Ok(())
}
fn typing_remove(&self, user_id: &UserId, room_id: &RoomId) -> Result<()> {
let mut prefix = room_id.as_bytes().to_vec();
prefix.push(0xff);
let user_id = user_id.to_string();
let mut found_outdated = false;
// Maybe there are multiple ones from calling roomtyping_add multiple times
for outdated_edu in self
.typingid_userid
.scan_prefix(prefix)
.filter(|(_, v)| &**v == user_id.as_bytes())
{
self.typingid_userid.remove(&outdated_edu.0)?;
found_outdated = true;
}
if found_outdated {
self.roomid_lasttypingupdate.insert(
room_id.as_bytes(),
&services().globals.next_count()?.to_be_bytes(),
)?;
}
Ok(())
}
fn typings_maintain(&self, room_id: &RoomId) -> Result<()> {
let mut prefix = room_id.as_bytes().to_vec();
prefix.push(0xff);
let current_timestamp = utils::millis_since_unix_epoch();
let mut found_outdated = false;
// Find all outdated edus before inserting a new one
for outdated_edu in self
.typingid_userid
.scan_prefix(prefix)
.map(|(key, _)| {
Ok::<_, Error>((
key.clone(),
utils::u64_from_bytes(
&key.splitn(2, |&b| b == 0xff).nth(1).ok_or_else(|| {
Error::bad_database("RoomTyping has invalid timestamp or delimiters.")
})?[0..mem::size_of::<u64>()],
)
.map_err(|_| Error::bad_database("RoomTyping has invalid timestamp bytes."))?,
))
})
.filter_map(|r| r.ok())
.take_while(|&(_, timestamp)| timestamp < current_timestamp)
{
// This is an outdated edu (time > timestamp)
self.typingid_userid.remove(&outdated_edu.0)?;
found_outdated = true;
}
if found_outdated {
self.roomid_lasttypingupdate.insert(
room_id.as_bytes(),
&services().globals.next_count()?.to_be_bytes(),
)?;
}
Ok(())
}
fn last_typing_update(&self, room_id: &RoomId) -> Result<u64> {
Ok(self
.roomid_lasttypingupdate
.get(room_id.as_bytes())?
.map(|bytes| {
utils::u64_from_bytes(&bytes).map_err(|_| {
Error::bad_database("Count in roomid_lastroomactiveupdate is invalid.")
})
})
.transpose()?
.unwrap_or(0))
}
fn typings_all(&self, room_id: &RoomId) -> Result<HashSet<OwnedUserId>> {
let mut prefix = room_id.as_bytes().to_vec();
prefix.push(0xff);
let mut user_ids = HashSet::new();
for (_, user_id) in self.typingid_userid.scan_prefix(prefix) {
let user_id = UserId::parse(utils::string_from_bytes(&user_id).map_err(|_| {
Error::bad_database("User ID in typingid_userid is invalid unicode.")
})?)
.map_err(|_| Error::bad_database("User ID in typingid_userid is invalid."))?;
user_ids.insert(user_id);
}
Ok(user_ids)
}
}

4
src/database/mod.rs
View file

@ -70,8 +70,6 @@ pub struct KeyValueDatabase {
pub(super) readreceiptid_readreceipt: Arc<dyn KvTree>, // ReadReceiptId = RoomId + Count + UserId
pub(super) roomuserid_privateread: Arc<dyn KvTree>, // RoomUserId = Room + User, PrivateRead = Count
pub(super) roomuserid_lastprivatereadupdate: Arc<dyn KvTree>, // LastPrivateReadUpdate = Count
pub(super) typingid_userid: Arc<dyn KvTree>, // TypingId = RoomId + TimeoutTime + Count
pub(super) roomid_lasttypingupdate: Arc<dyn KvTree>, // LastRoomTypingUpdate = Count
pub(super) presenceid_presence: Arc<dyn KvTree>, // PresenceId = RoomId + Count + UserId
pub(super) userid_lastpresenceupdate: Arc<dyn KvTree>, // LastPresenceUpdate = Count
@ -301,8 +299,6 @@ impl KeyValueDatabase {
roomuserid_privateread: builder.open_tree("roomuserid_privateread")?, // "Private" read receipt
roomuserid_lastprivatereadupdate: builder
.open_tree("roomuserid_lastprivatereadupdate")?,
typingid_userid: builder.open_tree("typingid_userid")?,
roomid_lasttypingupdate: builder.open_tree("roomid_lasttypingupdate")?,
presenceid_presence: builder.open_tree("presenceid_presence")?,
userid_lastpresenceupdate: builder.open_tree("userid_lastpresenceupdate")?,
pduid_pdu: builder.open_tree("pduid_pdu")?,

8
src/service/mod.rs
View file

@ -4,7 +4,7 @@ use std::{
};
use lru_cache::LruCache;
use tokio::sync::Mutex;
use tokio::sync::{broadcast, Mutex};
use crate::{Config, Result};
use tokio::sync::RwLock;
@ -66,7 +66,11 @@ impl Services {
edus: rooms::edus::Service {
presence: rooms::edus::presence::Service { db },
read_receipt: rooms::edus::read_receipt::Service { db },
typing: rooms::edus::typing::Service { db, typing: RwLock::new(BTreeMap::new()), last_typing_update: RwLock::new(BTreeMap::new()) },
typing: rooms::edus::typing::Service {
typing: RwLock::new(BTreeMap::new()),
last_typing_update: RwLock::new(BTreeMap::new()),
typing_update_sender: broadcast::channel(100).0,
},
},
event_handler: rooms::event_handler::Service,
lazy_loading: rooms::lazy_loading::Service {

2
src/service/rooms/edus/mod.rs
View file

@ -2,7 +2,7 @@ pub mod presence;
pub mod read_receipt;
pub mod typing;
pub trait Data: presence::Data + read_receipt::Data + typing::Data + 'static {}
pub trait Data: presence::Data + read_receipt::Data + 'static {}
pub struct Service {
pub presence: presence::Service,

21
src/service/rooms/edus/typing/data.rs
View file

@ -1,21 +0,0 @@
use crate::Result;
use ruma::{OwnedUserId, RoomId, UserId};
use std::collections::HashSet;
pub trait Data: Send + Sync {
/// Sets a user as typing until the timeout timestamp is reached or roomtyping_remove is
/// called.
fn typing_add(&self, user_id: &UserId, room_id: &RoomId, timeout: u64) -> Result<()>;
/// Removes a user from typing before the timeout is reached.
fn typing_remove(&self, user_id: &UserId, room_id: &RoomId) -> Result<()>;
/// Makes sure that typing events with old timestamps get removed.
fn typings_maintain(&self, room_id: &RoomId) -> Result<()>;
/// Returns the count of the last typing update in this room.
fn last_typing_update(&self, room_id: &RoomId) -> Result<u64>;
/// Returns all user ids currently typing.
fn typings_all(&self, room_id: &RoomId) -> Result<HashSet<OwnedUserId>>;
}

74
src/service/rooms/edus/typing/mod.rs
View file

@ -1,31 +1,57 @@
mod data;
pub use data::Data;
use ruma::{events::SyncEphemeralRoomEvent, RoomId, UserId, OwnedRoomId, OwnedUserId};
use tokio::sync::RwLock;
use ruma::{events::SyncEphemeralRoomEvent, OwnedRoomId, OwnedUserId, RoomId, UserId};
use std::collections::BTreeMap;
use tokio::sync::{broadcast, RwLock};
use crate::{utils, services, Result};
use crate::{services, utils, Result};
pub struct Service {
pub db: &'static dyn Data,
pub typing: RwLock<BTreeMap<OwnedRoomId, BTreeMap<OwnedUserId, u64>>>, // u64 is unix timestamp of timeout
pub last_typing_update: RwLock<BTreeMap<OwnedRoomId, u64>>, // timestamp of the last change to typing users
pub typing_update_sender: broadcast::Sender<OwnedRoomId>,
}
impl Service {
/// Sets a user as typing until the timeout timestamp is reached or roomtyping_remove is
/// called.
pub async fn typing_add(&self, user_id: &UserId, room_id: &RoomId, timeout: u64) -> Result<()> {
self.typing.write().await.entry(room_id.to_owned()).or_default().insert(user_id.to_owned(), timeout);
self.last_typing_update.write().await.insert(room_id.to_owned(), services().globals.next_count()?);
self.typing
.write()
.await
.entry(room_id.to_owned())
.or_default()
.insert(user_id.to_owned(), timeout);
self.last_typing_update
.write()
.await
.insert(room_id.to_owned(), services().globals.next_count()?);
let _ = self.typing_update_sender.send(room_id.to_owned());
Ok(())
}
/// Removes a user from typing before the timeout is reached.
pub async fn typing_remove(&self, user_id: &UserId, room_id: &RoomId) -> Result<()> {
self.typing.write().await.entry(room_id.to_owned()).or_default().remove(user_id);
self.last_typing_update.write().await.insert(room_id.to_owned(), services().globals.next_count()?);
self.typing
.write()
.await
.entry(room_id.to_owned())
.or_default()
.remove(user_id);
self.last_typing_update
.write()
.await
.insert(room_id.to_owned(), services().globals.next_count()?);
let _ = self.typing_update_sender.send(room_id.to_owned());
Ok(())
}
pub async fn wait_for_update(&self, room_id: &RoomId) -> Result<()> {
let mut receiver = self.typing_update_sender.subscribe();
while let Ok(next) = receiver.recv().await {
if next == room_id {
break;
}
}
Ok(())
}
@ -35,7 +61,9 @@ impl Service {
let mut removable = Vec::new();
{
let typing = self.typing.read().await;
let Some(room) = typing.get(room_id) else { return Ok(()); };
let Some(room) = typing.get(room_id) else {
return Ok(());
};
for (user, timeout) in room {
if *timeout < current_timestamp {
removable.push(user.clone());
@ -49,7 +77,11 @@ impl Service {
for user in removable {
room.remove(&user);
}
self.last_typing_update.write().await.insert(room_id.to_owned(), services().globals.next_count()?);
self.last_typing_update
.write()
.await
.insert(room_id.to_owned(), services().globals.next_count()?);
let _ = self.typing_update_sender.send(room_id.to_owned());
}
Ok(())
}
@ -57,7 +89,13 @@ impl Service {
/// Returns the count of the last typing update in this room.
pub async fn last_typing_update(&self, room_id: &RoomId) -> Result<u64> {
self.typings_maintain(room_id).await?;
Ok(self.last_typing_update.read().await.get(room_id).copied().unwrap_or(0))
Ok(self
.last_typing_update
.read()
.await
.get(room_id)
.copied()
.unwrap_or(0))
}
/// Returns a new typing EDU.
@ -67,7 +105,13 @@ impl Service {
) -> Result<SyncEphemeralRoomEvent<ruma::events::typing::TypingEventContent>> {
Ok(SyncEphemeralRoomEvent {
content: ruma::events::typing::TypingEventContent {
user_ids: self.typing.read().await.get(room_id).map(|m| m.keys().cloned().collect()).unwrap_or_default(),
user_ids: self
.typing
.read()
.await
.get(room_id)
.map(|m| m.keys().cloned().collect())
.unwrap_or_default(),
},
})
}