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improvement: locks

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This commit is contained in:
Timo Kösters 2021-07-13 15:44:25 +02:00
parent e15e6d4405
commit e12b1ff863
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GPG key ID: 24DA7517711A2BA4
12 changed files with 321 additions and 54 deletions
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71
src/database/admin.rs
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@ -10,7 +10,7 @@ use ruma::{
events::{room::message, EventType},
UserId,
};
use tokio::sync::{RwLock, RwLockReadGuard};
use tokio::sync::{MutexGuard, RwLock, RwLockReadGuard};
pub enum AdminCommand {
RegisterAppservice(serde_yaml::Value),
@ -48,38 +48,51 @@ impl Admin {
)
.unwrap();
if conduit_room.is_none() {
warn!("Conduit instance does not have an #admins room. Logging to that room will not work. Restart Conduit after creating a user to fix this.");
}
let conduit_room = match conduit_room {
None => {
warn!("Conduit instance does not have an #admins room. Logging to that room will not work. Restart Conduit after creating a user to fix this.");
return;
}
Some(r) => r,
};
drop(guard);
let send_message =
|message: message::MessageEventContent, guard: RwLockReadGuard<'_, Database>| {
if let Some(conduit_room) = &conduit_room {
guard
.rooms
.build_and_append_pdu(
PduBuilder {
event_type: EventType::RoomMessage,
content: serde_json::to_value(message)
.expect("event is valid, we just created it"),
unsigned: None,
state_key: None,
redacts: None,
},
&conduit_user,
&conduit_room,
&guard,
)
.unwrap();
}
};
let send_message = |message: message::MessageEventContent,
guard: RwLockReadGuard<'_, Database>,
mutex_lock: &MutexGuard<'_, ()>| {
guard
.rooms
.build_and_append_pdu(
PduBuilder {
event_type: EventType::RoomMessage,
content: serde_json::to_value(message)
.expect("event is valid, we just created it"),
unsigned: None,
state_key: None,
redacts: None,
},
&conduit_user,
&conduit_room,
&guard,
mutex_lock,
)
.unwrap();
};
loop {
tokio::select! {
Some(event) = receiver.next() => {
let guard = db.read().await;
let mutex = Arc::clone(
guard.globals
.roomid_mutex
.write()
.unwrap()
.entry(conduit_room.clone())
.or_default(),
);
let mutex_lock = mutex.lock().await;
match event {
AdminCommand::RegisterAppservice(yaml) => {
@ -93,15 +106,17 @@ impl Admin {
count,
appservices.into_iter().filter_map(|r| r.ok()).collect::<Vec<_>>().join(", ")
);
send_message(message::MessageEventContent::text_plain(output), guard);
send_message(message::MessageEventContent::text_plain(output), guard, &mutex_lock);
} else {
send_message(message::MessageEventContent::text_plain("Failed to get appservices."), guard);
send_message(message::MessageEventContent::text_plain("Failed to get appservices."), guard, &mutex_lock);
}
}
AdminCommand::SendMessage(message) => {
send_message(message, guard)
send_message(message, guard, &mutex_lock);
}
}
drop(mutex_lock);
}
}
}