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reduce roomid_mutex_state

Browse source 
Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2024-06-14 22:08:44 +00:00
parent 539aa27815
commit 08bf074cbb
18 changed files with 93 additions and 269 deletions
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12
src/admin/debug/debug_commands.rs
View file

@ -595,17 +595,7 @@ pub(crate) async fn force_set_room_state_from_server(
.state_compressor
.save_state(room_id.clone().as_ref(), new_room_state)?;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.clone().into())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(&room_id).await;
services()
.rooms
.state

97
src/api/client/membership.rs
View file

@ -7,6 +7,7 @@ use std::{
};
use axum_client_ip::InsecureClientIp;
use conduit::utils::mutex_map;
use ruma::{
api::{
client::{
@ -32,7 +33,7 @@ use ruma::{
OwnedUserId, RoomId, RoomVersionId, ServerName, UserId,
};
use serde_json::value::{to_raw_value, RawValue as RawJsonValue};
use tokio::sync::{MutexGuard, RwLock};
use tokio::sync::RwLock;
use tracing::{debug, error, info, trace, warn};
use super::get_alias_helper;
@ -373,16 +374,11 @@ pub(crate) async fn kick_user_route(body: Ruma<kick_user::v3::Request>) -> Resul
event.membership = MembershipState::Leave;
event.reason.clone_from(&body.reason);
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(body.room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&body.room_id)
.await;
services()
.rooms
@ -442,16 +438,11 @@ pub(crate) async fn ban_user_route(body: Ruma<ban_user::v3::Request>) -> Result<
},
)?;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(body.room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&body.room_id)
.await;
services()
.rooms
@ -496,16 +487,11 @@ pub(crate) async fn unban_user_route(body: Ruma<unban_user::v3::Request>) -> Res
event.reason.clone_from(&body.reason);
event.join_authorized_via_users_server = None;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(body.room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&body.room_id)
.await;
services()
.rooms
@ -670,16 +656,7 @@ pub async fn join_room_by_id_helper(
});
}
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.to_owned())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(room_id).await;
// Ask a remote server if we are not participating in this room
if !services()
@ -695,7 +672,7 @@ pub async fn join_room_by_id_helper(
async fn join_room_by_id_helper_remote(
sender_user: &UserId, room_id: &RoomId, reason: Option<String>, servers: &[OwnedServerName],
_third_party_signed: Option<&ThirdPartySigned>, state_lock: MutexGuard<'_, ()>,
_third_party_signed: Option<&ThirdPartySigned>, state_lock: mutex_map::Guard<()>,
) -> Result<join_room_by_id::v3::Response> {
info!("Joining {room_id} over federation.");
@ -1030,7 +1007,7 @@ async fn join_room_by_id_helper_remote(
async fn join_room_by_id_helper_local(
sender_user: &UserId, room_id: &RoomId, reason: Option<String>, servers: &[OwnedServerName],
_third_party_signed: Option<&ThirdPartySigned>, state_lock: MutexGuard<'_, ()>,
_third_party_signed: Option<&ThirdPartySigned>, state_lock: mutex_map::Guard<()>,
) -> Result<join_room_by_id::v3::Response> {
info!("We can join locally");
@ -1413,17 +1390,7 @@ pub(crate) async fn invite_helper(
if !user_is_local(user_id) {
let (pdu, pdu_json, invite_room_state) = {
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.to_owned())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(room_id).await;
let content = to_raw_value(&RoomMemberEventContent {
avatar_url: services().users.avatar_url(user_id)?,
displayname: None,
@ -1535,16 +1502,7 @@ pub(crate) async fn invite_helper(
));
}
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.to_owned())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(room_id).await;
services()
.rooms
@ -1638,16 +1596,7 @@ pub async fn leave_room(user_id: &UserId, room_id: &RoomId, reason: Option<Strin
true,
)?;
} else {
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.to_owned())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(room_id).await;
let member_event =
services()

20
src/api/client/message.rs
View file

@ -1,7 +1,4 @@
use std::{
collections::{BTreeMap, HashSet},
sync::Arc,
};
use std::collections::{BTreeMap, HashSet};
use conduit::PduCount;
use ruma::{
@ -32,16 +29,11 @@ pub(crate) async fn send_message_event_route(
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
let sender_device = body.sender_device.as_deref();
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(body.room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&body.room_id)
.await;
// Forbid m.room.encrypted if encryption is disabled
if MessageLikeEventType::RoomEncrypted == body.event_type && !services().globals.allow_encryption() {

14
src/api/client/profile.rs
View file

@ -1,5 +1,3 @@
use std::sync::Arc;
use ruma::{
api::{
client::{
@ -355,17 +353,7 @@ pub async fn update_avatar_url(
pub async fn update_all_rooms(all_joined_rooms: Vec<(PduBuilder, &OwnedRoomId)>, user_id: OwnedUserId) {
for (pdu_builder, room_id) in all_joined_rooms {
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(room_id).await;
if let Err(e) = services()
.rooms
.timeline

17
src/api/client/redact.rs
View file

@ -1,5 +1,3 @@
use std::sync::Arc;
use ruma::{
api::client::redact::redact_event,
events::{room::redaction::RoomRedactionEventContent, TimelineEventType},
@ -17,16 +15,11 @@ pub(crate) async fn redact_event_route(body: Ruma<redact_event::v3::Request>) ->
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
let body = body.body;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(body.room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&body.room_id)
.await;
let event_id = services()
.rooms

49
src/api/client/room.rs
View file

@ -1,4 +1,4 @@
use std::{cmp::max, collections::BTreeMap, sync::Arc};
use std::{cmp::max, collections::BTreeMap};
use conduit::{debug_info, debug_warn};
use ruma::{
@ -89,18 +89,8 @@ pub(crate) async fn create_room_route(body: Ruma<create_room::v3::Request>) -> R
));
}
services().rooms.short.get_or_create_shortroomid(&room_id)?;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let _short_id = services().rooms.short.get_or_create_shortroomid(&room_id)?;
let state_lock = services().globals.roomid_mutex_state.lock(&room_id).await;
let alias: Option<OwnedRoomAliasId> = if let Some(alias) = &body.room_alias_name {
Some(room_alias_check(alias, &body.appservice_info).await?)
@ -577,21 +567,17 @@ pub(crate) async fn upgrade_room_route(body: Ruma<upgrade_room::v3::Request>) ->
// Create a replacement room
let replacement_room = RoomId::new(services().globals.server_name());
services()
let _short_id = services()
.rooms
.short
.get_or_create_shortroomid(&replacement_room)?;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(body.room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&body.room_id)
.await;
// Send a m.room.tombstone event to the old room to indicate that it is not
// intended to be used any further Fail if the sender does not have the required
@ -619,16 +605,11 @@ pub(crate) async fn upgrade_room_route(body: Ruma<upgrade_room::v3::Request>) ->
// Change lock to replacement room
drop(state_lock);
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(replacement_room.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&replacement_room)
.await;
// Get the old room creation event
let mut create_event_content = serde_json::from_str::<CanonicalJsonObject>(

13
src/api/client/state.rs
View file

@ -172,18 +172,7 @@ async fn send_state_event_for_key_helper(
sender: &UserId, room_id: &RoomId, event_type: &StateEventType, json: &Raw<AnyStateEventContent>, state_key: String,
) -> Result<Arc<EventId>> {
allowed_to_send_state_event(room_id, event_type, json).await?;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.to_owned())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(room_id).await;
let event_id = services()
.rooms
.timeline

18
src/api/server/make_join.rs
View file

@ -1,5 +1,3 @@
use std::sync::Arc;
use ruma::{
api::{client::error::ErrorKind, federation::membership::prepare_join_event},
events::{
@ -74,17 +72,11 @@ pub(crate) async fn create_join_event_template_route(
}
}
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(body.room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&body.room_id)
.await;
let join_rules_event =
services()
.rooms

19
src/api/server/make_leave.rs
View file

@ -1,5 +1,3 @@
use std::sync::Arc;
use ruma::{
api::{client::error::ErrorKind, federation::membership::prepare_leave_event},
events::{
@ -37,18 +35,11 @@ pub(crate) async fn create_leave_event_template_route(
.acl_check(origin, &body.room_id)?;
let room_version_id = services().rooms.state.get_room_version(&body.room_id)?;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(body.room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services()
.globals
.roomid_mutex_state
.lock(&body.room_id)
.await;
let content = to_raw_value(&RoomMemberEventContent {
avatar_url: None,
blurhash: None,

15
src/service/admin/create.rs
View file

@ -1,4 +1,4 @@
use std::{collections::BTreeMap, sync::Arc};
use std::collections::BTreeMap;
use conduit::{Error, Result};
use ruma::{
@ -32,18 +32,9 @@ use crate::{pdu::PduBuilder, services};
pub async fn create_admin_room() -> Result<()> {
let room_id = RoomId::new(services().globals.server_name());
services().rooms.short.get_or_create_shortroomid(&room_id)?;
let _short_id = services().rooms.short.get_or_create_shortroomid(&room_id)?;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(&room_id).await;
// Create a user for the server
let server_user = &services().globals.server_user;

13
src/service/admin/grant.rs
View file

@ -1,4 +1,4 @@
use std::{collections::BTreeMap, sync::Arc};
use std::collections::BTreeMap;
use conduit::Result;
use ruma::{
@ -22,16 +22,7 @@ use crate::{pdu::PduBuilder, services};
/// In conduit, this is equivalent to granting admin privileges.
pub async fn make_user_admin(user_id: &UserId, displayname: String) -> Result<()> {
if let Some(room_id) = Service::get_admin_room()? {
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(&room_id).await;
// Use the server user to grant the new admin's power level
let server_user = &services().globals.server_user;

21
src/service/admin/mod.rs
View file

@ -4,7 +4,7 @@ mod grant;
use std::{future::Future, pin::Pin, sync::Arc};
use conduit::{Error, Result};
use conduit::{utils::mutex_map, Error, Result};
pub use create::create_admin_room;
pub use grant::make_user_admin;
use ruma::{
@ -15,10 +15,7 @@ use ruma::{
EventId, OwnedRoomId, RoomId, UserId,
};
use serde_json::value::to_raw_value;
use tokio::{
sync::{Mutex, MutexGuard},
task::JoinHandle,
};
use tokio::{sync::Mutex, task::JoinHandle};
use tracing::error;
use crate::{pdu::PduBuilder, services, PduEvent};
@ -218,17 +215,7 @@ async fn respond_to_room(content: &RoomMessageEventContent, room_id: &RoomId, us
"sender is not admin"
);
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.to_owned())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(room_id).await;
let response_pdu = PduBuilder {
event_type: TimelineEventType::RoomMessage,
content: to_raw_value(content).expect("event is valid, we just created it"),
@ -250,7 +237,7 @@ async fn respond_to_room(content: &RoomMessageEventContent, room_id: &RoomId, us
}
async fn handle_response_error(
e: &Error, room_id: &RoomId, user_id: &UserId, state_lock: &MutexGuard<'_, ()>,
e: &Error, room_id: &RoomId, user_id: &UserId, state_lock: &mutex_map::Guard<()>,
) -> Result<()> {
error!("Failed to build and append admin room response PDU: \"{e}\"");
let error_room_message = RoomMessageEventContent::text_plain(format!(

4
src/service/globals/mod.rs
View file

@ -55,7 +55,7 @@ pub struct Service {
pub bad_signature_ratelimiter: Arc<RwLock<HashMap<Vec<String>, RateLimitState>>>,
pub bad_query_ratelimiter: Arc<RwLock<HashMap<OwnedServerName, RateLimitState>>>,
pub roomid_mutex_insert: MutexMap<OwnedRoomId, ()>,
pub roomid_mutex_state: RwLock<HashMap<OwnedRoomId, Arc<Mutex<()>>>>,
pub roomid_mutex_state: MutexMap<OwnedRoomId, ()>,
pub roomid_mutex_federation: MutexMap<OwnedRoomId, ()>,
pub roomid_federationhandletime: RwLock<HashMap<OwnedRoomId, (OwnedEventId, Instant)>>,
pub updates_handle: Mutex<Option<JoinHandle<()>>>,
@ -116,7 +116,7 @@ impl Service {
bad_event_ratelimiter: Arc::new(RwLock::new(HashMap::new())),
bad_signature_ratelimiter: Arc::new(RwLock::new(HashMap::new())),
bad_query_ratelimiter: Arc::new(RwLock::new(HashMap::new())),
roomid_mutex_state: RwLock::new(HashMap::new()),
roomid_mutex_state: MutexMap::<OwnedRoomId, ()>::new(),
roomid_mutex_insert: MutexMap::<OwnedRoomId, ()>::new(),
roomid_mutex_federation: MutexMap::<OwnedRoomId, ()>::new(),
roomid_federationhandletime: RwLock::new(HashMap::new()),

12
src/service/rooms/event_handler/mod.rs
View file

@ -530,18 +530,8 @@ impl Service {
// 13. Use state resolution to find new room state
// We start looking at current room state now, so lets lock the room
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.await
.entry(room_id.to_owned())
.or_default(),
);
trace!("Locking the room");
let state_lock = mutex_state.lock().await;
let state_lock = services().globals.roomid_mutex_state.lock(room_id).await;
// 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)

10
src/service/rooms/state/data.rs
View file

@ -1,7 +1,7 @@
use std::{collections::HashSet, sync::Arc};
use conduit::utils::mutex_map;
use ruma::{EventId, OwnedEventId, RoomId};
use tokio::sync::MutexGuard;
use crate::{utils, Error, KeyValueDatabase, Result};
@ -14,7 +14,7 @@ pub trait Data: Send + Sync {
&self,
room_id: &RoomId,
new_shortstatehash: u64,
_mutex_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
_mutex_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<()>;
/// Associates a state with an event.
@ -28,7 +28,7 @@ pub trait Data: Send + Sync {
&self,
room_id: &RoomId,
event_ids: Vec<OwnedEventId>,
_mutex_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
_mutex_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<()>;
}
@ -47,7 +47,7 @@ impl Data for KeyValueDatabase {
&self,
room_id: &RoomId,
new_shortstatehash: u64,
_mutex_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
_mutex_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<()> {
self.roomid_shortstatehash
.insert(room_id.as_bytes(), &new_shortstatehash.to_be_bytes())?;
@ -80,7 +80,7 @@ impl Data for KeyValueDatabase {
&self,
room_id: &RoomId,
event_ids: Vec<OwnedEventId>,
_mutex_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
_mutex_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<()> {
let mut prefix = room_id.as_bytes().to_vec();
prefix.push(0xFF);

10
src/service/rooms/state/mod.rs
View file

@ -4,6 +4,7 @@ use std::{
sync::Arc,
};
use conduit::utils::mutex_map;
use data::Data;
use ruma::{
api::client::error::ErrorKind,
@ -15,7 +16,6 @@ use ruma::{
state_res::{self, StateMap},
EventId, OwnedEventId, RoomId, RoomVersionId, UserId,
};
use tokio::sync::MutexGuard;
use tracing::warn;
use super::state_compressor::CompressedStateEvent;
@ -33,7 +33,7 @@ impl Service {
shortstatehash: u64,
statediffnew: Arc<HashSet<CompressedStateEvent>>,
_statediffremoved: Arc<HashSet<CompressedStateEvent>>,
state_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
state_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<()> {
for event_id in statediffnew.iter().filter_map(|new| {
services()
@ -299,12 +299,12 @@ impl Service {
}
/// Set the state hash to a new version, but does not update state_cache.
#[tracing::instrument(skip(self))]
#[tracing::instrument(skip(self, mutex_lock))]
pub fn set_room_state(
&self,
room_id: &RoomId,
shortstatehash: u64,
mutex_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
mutex_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<()> {
self.db.set_room_state(room_id, shortstatehash, mutex_lock)
}
@ -343,7 +343,7 @@ impl Service {
&self,
room_id: &RoomId,
event_ids: Vec<OwnedEventId>,
state_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
state_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<()> {
self.db
.set_forward_extremities(room_id, event_ids, state_lock)

4
src/service/rooms/state_accessor/mod.rs
View file

@ -4,6 +4,7 @@ use std::{
sync::{Arc, Mutex},
};
use conduit::utils::mutex_map;
use data::Data;
use lru_cache::LruCache;
use ruma::{
@ -22,7 +23,6 @@ use ruma::{
EventId, OwnedRoomAliasId, OwnedServerName, OwnedUserId, RoomId, ServerName, UserId,
};
use serde_json::value::to_raw_value;
use tokio::sync::MutexGuard;
use tracing::{error, warn};
use crate::{service::pdu::PduBuilder, services, Error, PduEvent, Result};
@ -285,7 +285,7 @@ impl Service {
}
pub async fn user_can_invite(
&self, room_id: &RoomId, sender: &UserId, target_user: &UserId, state_lock: &MutexGuard<'_, ()>,
&self, room_id: &RoomId, sender: &UserId, target_user: &UserId, state_lock: &mutex_map::Guard<()>,
) -> Result<bool> {
let content = to_raw_value(&RoomMemberEventContent::new(MembershipState::Invite))
.expect("Event content always serializes");

14
src/service/rooms/timeline/mod.rs
View file

@ -30,7 +30,7 @@ use ruma::{
};
use serde::Deserialize;
use serde_json::value::{to_raw_value, RawValue as RawJsonValue};
use tokio::sync::{Mutex, MutexGuard, RwLock};
use tokio::sync::{Mutex, RwLock};
use tracing::{debug, error, info, warn};
use super::state_compressor::CompressedStateEvent;
@ -44,7 +44,7 @@ use crate::{
rooms::event_handler::parse_incoming_pdu,
},
services,
utils::{self},
utils::{self, mutex_map},
Error,
PduCount,
PduEvent,
@ -200,13 +200,13 @@ impl Service {
/// happens in `append_pdu`.
///
/// Returns pdu id
#[tracing::instrument(skip(self, pdu, pdu_json, leaves))]
#[tracing::instrument(skip_all)]
pub async fn append_pdu(
&self,
pdu: &PduEvent,
mut pdu_json: CanonicalJsonObject,
leaves: Vec<OwnedEventId>,
state_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
state_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<Vec<u8>> {
// Coalesce database writes for the remainder of this scope.
let _cork = services().globals.db.cork_and_flush();
@ -581,7 +581,7 @@ impl Service {
pdu_builder: PduBuilder,
sender: &UserId,
room_id: &RoomId,
_mutex_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
_mutex_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<(PduEvent, CanonicalJsonObject)> {
let PduBuilder {
event_type,
@ -768,7 +768,7 @@ impl Service {
pdu_builder: PduBuilder,
sender: &UserId,
room_id: &RoomId,
state_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
state_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<Arc<EventId>> {
let (pdu, pdu_json) = self.create_hash_and_sign_event(pdu_builder, sender, room_id, state_lock)?;
if let Some(admin_room) = admin::Service::get_admin_room()? {
@ -909,7 +909,7 @@ impl Service {
new_room_leaves: Vec<OwnedEventId>,
state_ids_compressed: Arc<HashSet<CompressedStateEvent>>,
soft_fail: bool,
state_lock: &MutexGuard<'_, ()>, // Take mutex guard to make sure users get the room state mutex
state_lock: &mutex_map::Guard<()>, // Take mutex guard to make sure users get the room state mutex
) -> Result<Option<Vec<u8>>> {
// We append to state before appending the pdu, so we don't have a moment in
// time with the pdu without it's state. This is okay because append_pdu can't