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replace tokio channels with loole (#256)

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* rewrite admin handler to use loole channels

* apply correct formatting

* move all other services to loole channels

* fix ci
This commit is contained in:
raizo 2024-04-07 18:33:07 +02:00 committed by June
parent c82c548cbf
commit 579d3ce865
5 changed files with 110 additions and 84 deletions
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7
Cargo.lock generated
View file

@ -484,6 +484,7 @@ dependencies = [
"itertools 0.12.1",
"jsonwebtoken",
"log",
"loole",
"lru-cache",
"nix",
"num_cpus",
@ -1479,6 +1480,12 @@ version = "0.4.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
[[package]]
name = "loole"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c6725f0feab07fcf90f6de5417c06d7fef976fa6e5912fa9e21cb5e4dc6ae5da"
[[package]]
name = "lru-cache"
version = "0.1.2"

3
Cargo.toml
View file

@ -70,6 +70,9 @@ cyborgtime = "2.1.1"
bytes = "1.6.0"
http = "0.2.12"
# used to replace the channels of the tokio runtime
loole = "0.3.0"
# standard date and time tools
[dependencies.chrono]
version = "0.4.37"

123
src/service/admin/mod.rs
View file

@ -23,7 +23,7 @@ use ruma::{
EventId, MxcUri, OwnedRoomAliasId, OwnedRoomId, RoomAliasId, RoomId, RoomVersionId, ServerName, UserId,
};
use serde_json::value::to_raw_value;
use tokio::sync::{mpsc, Mutex};
use tokio::sync::Mutex;
use tracing::{error, warn};
use super::pdu::PduBuilder;
@ -91,13 +91,13 @@ pub enum AdminRoomEvent {
}
pub struct Service {
pub sender: mpsc::UnboundedSender<AdminRoomEvent>,
receiver: Mutex<mpsc::UnboundedReceiver<AdminRoomEvent>>,
pub sender: loole::Sender<AdminRoomEvent>,
receiver: Mutex<loole::Receiver<AdminRoomEvent>>,
}
impl Service {
pub fn build() -> Arc<Self> {
let (sender, receiver) = mpsc::unbounded_channel();
let (sender, receiver) = loole::unbounded();
Arc::new(Self {
sender,
receiver: Mutex::new(receiver),
@ -115,7 +115,7 @@ impl Service {
}
async fn handler(&self) -> Result<()> {
let mut receiver = self.receiver.lock().await;
let receiver = self.receiver.lock().await;
// TODO: Use futures when we have long admin commands
//let mut futures = FuturesUnordered::new();
@ -125,63 +125,72 @@ impl Service {
if let Ok(Some(conduit_room)) = Self::get_admin_room() {
loop {
tokio::select! {
Some(event) = receiver.recv() => {
let (mut message_content, reply) = match event {
AdminRoomEvent::SendMessage(content) => (content, None),
AdminRoomEvent::ProcessMessage(room_message, reply_id) => {
(self.process_admin_message(room_message).await, Some(reply_id))
event = receiver.recv_async() => {
match event {
Ok(event) => {
let (mut message_content, reply) = match event {
AdminRoomEvent::SendMessage(content) => (content, None),
AdminRoomEvent::ProcessMessage(room_message, reply_id) => {
(self.process_admin_message(room_message).await, Some(reply_id))
}
};
let mutex_state = Arc::clone(
services().globals
.roomid_mutex_state
.write()
.await
.entry(conduit_room.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
if let Some(reply) = reply {
message_content.relates_to = Some(Reply { in_reply_to: InReplyTo { event_id: reply.into() } });
}
if let Err(e) = services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMessage,
content: to_raw_value(&message_content)
.expect("event is valid, we just created it"),
unsigned: None,
state_key: None,
redacts: None,
},
&conduit_user,
&conduit_room,
&state_lock)
.await {
error!("Failed to build and append admin room response PDU: \"{e}\"");
let error_room_message = RoomMessageEventContent::text_plain(format!("Failed to build and append admin room PDU: \"{e}\"\n\nThe original admin command may have finished successfully, but we could not return the output."));
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMessage,
content: to_raw_value(&error_room_message)
.expect("event is valid, we just created it"),
unsigned: None,
state_key: None,
redacts: None,
},
&conduit_user,
&conduit_room,
&state_lock)
.await?;
}
drop(state_lock);
}
};
Err(_) => {
// TODO: Handle error, Im too unfamiliar with the codebase to know what to do here
let mutex_state = Arc::clone(
services().globals
.roomid_mutex_state
.write()
.await
.entry(conduit_room.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
// recv_async returns an error if all senders have been dropped. If the channel is empty, the returned future will yield to the async runtime.
if let Some(reply) = reply {
message_content.relates_to = Some(Reply { in_reply_to: InReplyTo { event_id: reply.into() } });
}
}
if let Err(e) = services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMessage,
content: to_raw_value(&message_content)
.expect("event is valid, we just created it"),
unsigned: None,
state_key: None,
redacts: None,
},
&conduit_user,
&conduit_room,
&state_lock)
.await {
error!("Failed to build and append admin room response PDU: \"{e}\"");
let error_room_message = RoomMessageEventContent::text_plain(format!("Failed to build and append admin room PDU: \"{e}\"\n\nThe original admin command may have finished successfully, but we could not return the output."));
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMessage,
content: to_raw_value(&error_room_message)
.expect("event is valid, we just created it"),
unsigned: None,
state_key: None,
redacts: None,
},
&conduit_user,
&conduit_room,
&state_lock)
.await?;
}
drop(state_lock);
}
}
}

28
src/service/presence/mod.rs
View file

@ -10,10 +10,7 @@ use ruma::{
OwnedUserId, UInt, UserId,
};
use serde::{Deserialize, Serialize};
use tokio::{
sync::{mpsc, Mutex},
time::sleep,
};
use tokio::{sync::Mutex, time::sleep};
use tracing::{debug, error};
use crate::{services, utils, Config, Error, Result};
@ -71,14 +68,14 @@ impl Presence {
pub struct Service {
pub db: &'static dyn Data,
pub timer_sender: mpsc::UnboundedSender<(OwnedUserId, Duration)>,
timer_receiver: Mutex<mpsc::UnboundedReceiver<(OwnedUserId, Duration)>>,
pub timer_sender: loole::Sender<(OwnedUserId, Duration)>,
timer_receiver: Mutex<loole::Receiver<(OwnedUserId, Duration)>>,
timeout_remote_users: bool,
}
impl Service {
pub fn build(db: &'static dyn Data, config: &Config) -> Arc<Self> {
let (timer_sender, timer_receiver) = mpsc::unbounded_channel();
let (timer_sender, timer_receiver) = loole::unbounded();
Arc::new(Self {
db,
@ -173,12 +170,21 @@ impl Service {
async fn handler(&self) -> Result<()> {
let mut presence_timers = FuturesUnordered::new();
let mut receiver = self.timer_receiver.lock().await;
let receiver = self.timer_receiver.lock().await;
loop {
tokio::select! {
Some((user_id, timeout)) = receiver.recv() => {
debug!("Adding timer {}: {user_id} timeout:{timeout:?}", presence_timers.len());
presence_timers.push(presence_timer(user_id, timeout));
event = receiver.recv_async() => {
match event {
Ok((user_id, timeout)) => {
debug!("Adding timer {}: {user_id} timeout:{timeout:?}", presence_timers.len());
presence_timers.push(presence_timer(user_id, timeout));
}
Err(e) => {
// TODO: Handle error better? I have no idea what to do here.
error!("Failed to receive presence timer: {}", e);
}
}
}
Some(user_id) = presence_timers.next() => {

33
src/service/sending/mod.rs
View file

@ -25,10 +25,7 @@ use ruma::{
events::{push_rules::PushRulesEvent, receipt::ReceiptType, AnySyncEphemeralRoomEvent, GlobalAccountDataEventType},
push, uint, MilliSecondsSinceUnixEpoch, OwnedServerName, OwnedUserId, RoomId, ServerName, UInt, UserId,
};
use tokio::{
select,
sync::{mpsc, Mutex, Semaphore},
};
use tokio::sync::{Mutex, Semaphore};
use tracing::{error, warn};
use crate::{services, utils::calculate_hash, Config, Error, PduEvent, Result};
@ -43,8 +40,8 @@ pub struct Service {
/// The state for a given state hash.
pub(super) maximum_requests: Arc<Semaphore>,
pub sender: mpsc::UnboundedSender<(OutgoingKind, SendingEventType, Vec<u8>)>,
receiver: Mutex<mpsc::UnboundedReceiver<(OutgoingKind, SendingEventType, Vec<u8>)>>,
pub sender: loole::Sender<(OutgoingKind, SendingEventType, Vec<u8>)>,
receiver: Mutex<loole::Receiver<(OutgoingKind, SendingEventType, Vec<u8>)>>,
startup_netburst: bool,
startup_netburst_keep: i64,
timeout: u64,
@ -73,7 +70,7 @@ enum TransactionStatus {
impl Service {
pub fn build(db: &'static dyn Data, config: &Config) -> Arc<Self> {
let (sender, receiver) = mpsc::unbounded_channel();
let (sender, receiver) = loole::unbounded();
Arc::new(Self {
db,
sender,
@ -275,7 +272,7 @@ impl Service {
#[tracing::instrument(skip(self), name = "sender")]
async fn handler(&self) -> Result<()> {
let mut receiver = self.receiver.lock().await;
let receiver = self.receiver.lock().await;
let mut futures = FuturesUnordered::new();
let mut current_transaction_status = HashMap::<OutgoingKind, TransactionStatus>::new();
@ -306,7 +303,7 @@ impl Service {
}
loop {
select! {
tokio::select! {
Some(response) = futures.next() => {
match response {
Ok(outgoing_kind) => {
@ -343,13 +340,17 @@ impl Service {
}
};
},
Some((outgoing_kind, event, key)) = receiver.recv() => {
if let Ok(Some(events)) = self.select_events(
&outgoing_kind,
vec![(event, key)],
&mut current_transaction_status,
) {
futures.push(handle_events(outgoing_kind, events));
event = receiver.recv_async() => {
// TODO: Error handling for this
if let Ok((outgoing_kind, event, key)) = event {
if let Ok(Some(events)) = self.select_events(
&outgoing_kind,
vec![(event, key)],
&mut current_transaction_status,
) {
futures.push(handle_events(outgoing_kind, events));
}
}
}
}