1mod connection_pool;
2
3use crate::{
4 auth,
5 db::{
6 self, BufferId, ChannelId, ChannelRole, ChannelsForUser, CreateChannelResult,
7 CreatedChannelMessage, Database, InviteMemberResult, MembershipUpdated, MessageId,
8 MoveChannelResult, NotificationId, ProjectId, RemoveChannelMemberResult,
9 RenameChannelResult, RespondToChannelInvite, RoomId, ServerId, SetChannelVisibilityResult,
10 User, UserId,
11 },
12 executor::Executor,
13 AppState, Result,
14};
15use anyhow::anyhow;
16use async_tungstenite::tungstenite::{
17 protocol::CloseFrame as TungsteniteCloseFrame, Message as TungsteniteMessage,
18};
19use axum::{
20 body::Body,
21 extract::{
22 ws::{CloseFrame as AxumCloseFrame, Message as AxumMessage},
23 ConnectInfo, WebSocketUpgrade,
24 },
25 headers::{Header, HeaderName},
26 http::StatusCode,
27 middleware,
28 response::IntoResponse,
29 routing::get,
30 Extension, Router, TypedHeader,
31};
32use collections::{HashMap, HashSet};
33pub use connection_pool::ConnectionPool;
34use futures::{
35 channel::oneshot,
36 future::{self, BoxFuture},
37 stream::FuturesUnordered,
38 FutureExt, SinkExt, StreamExt, TryStreamExt,
39};
40use lazy_static::lazy_static;
41use prometheus::{register_int_gauge, IntGauge};
42use rpc::{
43 proto::{
44 self, Ack, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, LiveKitConnectionInfo,
45 RequestMessage, ShareProject, UpdateChannelBufferCollaborators,
46 },
47 Connection, ConnectionId, Peer, Receipt, TypedEnvelope,
48};
49use serde::{Serialize, Serializer};
50use std::{
51 any::TypeId,
52 fmt,
53 future::Future,
54 marker::PhantomData,
55 mem,
56 net::SocketAddr,
57 ops::{Deref, DerefMut},
58 rc::Rc,
59 sync::{
60 atomic::{AtomicBool, Ordering::SeqCst},
61 Arc,
62 },
63 time::{Duration, Instant},
64};
65use time::OffsetDateTime;
66use tokio::sync::{watch, Semaphore};
67use tower::ServiceBuilder;
68use tracing::{info_span, instrument, Instrument};
69
70pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
71pub const CLEANUP_TIMEOUT: Duration = Duration::from_secs(10);
72
73const MESSAGE_COUNT_PER_PAGE: usize = 100;
74const MAX_MESSAGE_LEN: usize = 1024;
75const NOTIFICATION_COUNT_PER_PAGE: usize = 50;
76
77lazy_static! {
78 static ref METRIC_CONNECTIONS: IntGauge =
79 register_int_gauge!("connections", "number of connections").unwrap();
80 static ref METRIC_SHARED_PROJECTS: IntGauge = register_int_gauge!(
81 "shared_projects",
82 "number of open projects with one or more guests"
83 )
84 .unwrap();
85}
86
87type MessageHandler =
88 Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session) -> BoxFuture<'static, ()>>;
89
90struct Response<R> {
91 peer: Arc<Peer>,
92 receipt: Receipt<R>,
93 responded: Arc<AtomicBool>,
94}
95
96impl<R: RequestMessage> Response<R> {
97 fn send(self, payload: R::Response) -> Result<()> {
98 self.responded.store(true, SeqCst);
99 self.peer.respond(self.receipt, payload)?;
100 Ok(())
101 }
102}
103
104#[derive(Clone)]
105struct Session {
106 zed_environment: Arc<str>,
107 user_id: UserId,
108 connection_id: ConnectionId,
109 db: Arc<tokio::sync::Mutex<DbHandle>>,
110 peer: Arc<Peer>,
111 connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
112 live_kit_client: Option<Arc<dyn live_kit_server::api::Client>>,
113 _executor: Executor,
114}
115
116impl Session {
117 async fn db(&self) -> tokio::sync::MutexGuard<DbHandle> {
118 #[cfg(test)]
119 tokio::task::yield_now().await;
120 let guard = self.db.lock().await;
121 #[cfg(test)]
122 tokio::task::yield_now().await;
123 guard
124 }
125
126 async fn connection_pool(&self) -> ConnectionPoolGuard<'_> {
127 #[cfg(test)]
128 tokio::task::yield_now().await;
129 let guard = self.connection_pool.lock();
130 ConnectionPoolGuard {
131 guard,
132 _not_send: PhantomData,
133 }
134 }
135}
136
137impl fmt::Debug for Session {
138 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
139 f.debug_struct("Session")
140 .field("user_id", &self.user_id)
141 .field("connection_id", &self.connection_id)
142 .finish()
143 }
144}
145
146struct DbHandle(Arc<Database>);
147
148impl Deref for DbHandle {
149 type Target = Database;
150
151 fn deref(&self) -> &Self::Target {
152 self.0.as_ref()
153 }
154}
155
156pub struct Server {
157 id: parking_lot::Mutex<ServerId>,
158 peer: Arc<Peer>,
159 pub(crate) connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
160 app_state: Arc<AppState>,
161 executor: Executor,
162 handlers: HashMap<TypeId, MessageHandler>,
163 teardown: watch::Sender<()>,
164}
165
166pub(crate) struct ConnectionPoolGuard<'a> {
167 guard: parking_lot::MutexGuard<'a, ConnectionPool>,
168 _not_send: PhantomData<Rc<()>>,
169}
170
171#[derive(Serialize)]
172pub struct ServerSnapshot<'a> {
173 peer: &'a Peer,
174 #[serde(serialize_with = "serialize_deref")]
175 connection_pool: ConnectionPoolGuard<'a>,
176}
177
178pub fn serialize_deref<S, T, U>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
179where
180 S: Serializer,
181 T: Deref<Target = U>,
182 U: Serialize,
183{
184 Serialize::serialize(value.deref(), serializer)
185}
186
187impl Server {
188 pub fn new(id: ServerId, app_state: Arc<AppState>, executor: Executor) -> Arc<Self> {
189 let mut server = Self {
190 id: parking_lot::Mutex::new(id),
191 peer: Peer::new(id.0 as u32),
192 app_state,
193 executor,
194 connection_pool: Default::default(),
195 handlers: Default::default(),
196 teardown: watch::channel(()).0,
197 };
198
199 server
200 .add_request_handler(ping)
201 .add_request_handler(create_room)
202 .add_request_handler(join_room)
203 .add_request_handler(rejoin_room)
204 .add_request_handler(leave_room)
205 .add_request_handler(call)
206 .add_request_handler(cancel_call)
207 .add_message_handler(decline_call)
208 .add_request_handler(update_participant_location)
209 .add_request_handler(share_project)
210 .add_message_handler(unshare_project)
211 .add_request_handler(join_project)
212 .add_message_handler(leave_project)
213 .add_request_handler(update_project)
214 .add_request_handler(update_worktree)
215 .add_message_handler(start_language_server)
216 .add_message_handler(update_language_server)
217 .add_message_handler(update_diagnostic_summary)
218 .add_message_handler(update_worktree_settings)
219 .add_request_handler(forward_read_only_project_request::<proto::GetHover>)
220 .add_request_handler(forward_read_only_project_request::<proto::GetDefinition>)
221 .add_request_handler(forward_read_only_project_request::<proto::GetTypeDefinition>)
222 .add_request_handler(forward_read_only_project_request::<proto::GetReferences>)
223 .add_request_handler(forward_read_only_project_request::<proto::SearchProject>)
224 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentHighlights>)
225 .add_request_handler(forward_read_only_project_request::<proto::GetProjectSymbols>)
226 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferForSymbol>)
227 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferById>)
228 .add_request_handler(forward_read_only_project_request::<proto::SynchronizeBuffers>)
229 .add_request_handler(forward_read_only_project_request::<proto::InlayHints>)
230 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferByPath>)
231 .add_request_handler(forward_mutating_project_request::<proto::GetCompletions>)
232 .add_request_handler(
233 forward_mutating_project_request::<proto::ApplyCompletionAdditionalEdits>,
234 )
235 .add_request_handler(
236 forward_mutating_project_request::<proto::ResolveCompletionDocumentation>,
237 )
238 .add_request_handler(forward_mutating_project_request::<proto::GetCodeActions>)
239 .add_request_handler(forward_mutating_project_request::<proto::ApplyCodeAction>)
240 .add_request_handler(forward_mutating_project_request::<proto::PrepareRename>)
241 .add_request_handler(forward_mutating_project_request::<proto::PerformRename>)
242 .add_request_handler(forward_mutating_project_request::<proto::ReloadBuffers>)
243 .add_request_handler(forward_mutating_project_request::<proto::FormatBuffers>)
244 .add_request_handler(forward_mutating_project_request::<proto::CreateProjectEntry>)
245 .add_request_handler(forward_mutating_project_request::<proto::RenameProjectEntry>)
246 .add_request_handler(forward_mutating_project_request::<proto::CopyProjectEntry>)
247 .add_request_handler(forward_mutating_project_request::<proto::DeleteProjectEntry>)
248 .add_request_handler(forward_mutating_project_request::<proto::ExpandProjectEntry>)
249 .add_request_handler(forward_mutating_project_request::<proto::OnTypeFormatting>)
250 .add_request_handler(forward_mutating_project_request::<proto::SaveBuffer>)
251 .add_message_handler(create_buffer_for_peer)
252 .add_request_handler(update_buffer)
253 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshInlayHints>)
254 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateBufferFile>)
255 .add_message_handler(broadcast_project_message_from_host::<proto::BufferReloaded>)
256 .add_message_handler(broadcast_project_message_from_host::<proto::BufferSaved>)
257 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateDiffBase>)
258 .add_request_handler(get_users)
259 .add_request_handler(fuzzy_search_users)
260 .add_request_handler(request_contact)
261 .add_request_handler(remove_contact)
262 .add_request_handler(respond_to_contact_request)
263 .add_request_handler(create_channel)
264 .add_request_handler(delete_channel)
265 .add_request_handler(invite_channel_member)
266 .add_request_handler(remove_channel_member)
267 .add_request_handler(set_channel_member_role)
268 .add_request_handler(set_channel_visibility)
269 .add_request_handler(rename_channel)
270 .add_request_handler(join_channel_buffer)
271 .add_request_handler(leave_channel_buffer)
272 .add_message_handler(update_channel_buffer)
273 .add_request_handler(rejoin_channel_buffers)
274 .add_request_handler(get_channel_members)
275 .add_request_handler(respond_to_channel_invite)
276 .add_request_handler(join_channel)
277 .add_request_handler(join_channel_chat)
278 .add_message_handler(leave_channel_chat)
279 .add_request_handler(send_channel_message)
280 .add_request_handler(remove_channel_message)
281 .add_request_handler(get_channel_messages)
282 .add_request_handler(get_channel_messages_by_id)
283 .add_request_handler(get_notifications)
284 .add_request_handler(mark_notification_as_read)
285 .add_request_handler(move_channel)
286 .add_request_handler(follow)
287 .add_message_handler(unfollow)
288 .add_message_handler(update_followers)
289 .add_request_handler(get_private_user_info)
290 .add_message_handler(acknowledge_channel_message)
291 .add_message_handler(acknowledge_buffer_version);
292
293 Arc::new(server)
294 }
295
296 pub async fn start(&self) -> Result<()> {
297 let server_id = *self.id.lock();
298 let app_state = self.app_state.clone();
299 let peer = self.peer.clone();
300 let timeout = self.executor.sleep(CLEANUP_TIMEOUT);
301 let pool = self.connection_pool.clone();
302 let live_kit_client = self.app_state.live_kit_client.clone();
303
304 let span = info_span!("start server");
305 self.executor.spawn_detached(
306 async move {
307 tracing::info!("waiting for cleanup timeout");
308 timeout.await;
309 tracing::info!("cleanup timeout expired, retrieving stale rooms");
310 if let Some((room_ids, channel_ids)) = app_state
311 .db
312 .stale_server_resource_ids(&app_state.config.zed_environment, server_id)
313 .await
314 .trace_err()
315 {
316 tracing::info!(stale_room_count = room_ids.len(), "retrieved stale rooms");
317 tracing::info!(
318 stale_channel_buffer_count = channel_ids.len(),
319 "retrieved stale channel buffers"
320 );
321
322 for channel_id in channel_ids {
323 if let Some(refreshed_channel_buffer) = app_state
324 .db
325 .clear_stale_channel_buffer_collaborators(channel_id, server_id)
326 .await
327 .trace_err()
328 {
329 for connection_id in refreshed_channel_buffer.connection_ids {
330 peer.send(
331 connection_id,
332 proto::UpdateChannelBufferCollaborators {
333 channel_id: channel_id.to_proto(),
334 collaborators: refreshed_channel_buffer
335 .collaborators
336 .clone(),
337 },
338 )
339 .trace_err();
340 }
341 }
342 }
343
344 for room_id in room_ids {
345 let mut contacts_to_update = HashSet::default();
346 let mut canceled_calls_to_user_ids = Vec::new();
347 let mut live_kit_room = String::new();
348 let mut delete_live_kit_room = false;
349
350 if let Some(mut refreshed_room) = app_state
351 .db
352 .clear_stale_room_participants(room_id, server_id)
353 .await
354 .trace_err()
355 {
356 tracing::info!(
357 room_id = room_id.0,
358 new_participant_count = refreshed_room.room.participants.len(),
359 "refreshed room"
360 );
361 room_updated(&refreshed_room.room, &peer);
362 if let Some(channel_id) = refreshed_room.channel_id {
363 channel_updated(
364 channel_id,
365 &refreshed_room.room,
366 &refreshed_room.channel_members,
367 &peer,
368 &*pool.lock(),
369 );
370 }
371 contacts_to_update
372 .extend(refreshed_room.stale_participant_user_ids.iter().copied());
373 contacts_to_update
374 .extend(refreshed_room.canceled_calls_to_user_ids.iter().copied());
375 canceled_calls_to_user_ids =
376 mem::take(&mut refreshed_room.canceled_calls_to_user_ids);
377 live_kit_room = mem::take(&mut refreshed_room.room.live_kit_room);
378 delete_live_kit_room = refreshed_room.room.participants.is_empty();
379 }
380
381 {
382 let pool = pool.lock();
383 for canceled_user_id in canceled_calls_to_user_ids {
384 for connection_id in pool.user_connection_ids(canceled_user_id) {
385 peer.send(
386 connection_id,
387 proto::CallCanceled {
388 room_id: room_id.to_proto(),
389 },
390 )
391 .trace_err();
392 }
393 }
394 }
395
396 for user_id in contacts_to_update {
397 let busy = app_state.db.is_user_busy(user_id).await.trace_err();
398 let contacts = app_state.db.get_contacts(user_id).await.trace_err();
399 if let Some((busy, contacts)) = busy.zip(contacts) {
400 let pool = pool.lock();
401 let updated_contact = contact_for_user(user_id, busy, &pool);
402 for contact in contacts {
403 if let db::Contact::Accepted {
404 user_id: contact_user_id,
405 ..
406 } = contact
407 {
408 for contact_conn_id in
409 pool.user_connection_ids(contact_user_id)
410 {
411 peer.send(
412 contact_conn_id,
413 proto::UpdateContacts {
414 contacts: vec![updated_contact.clone()],
415 remove_contacts: Default::default(),
416 incoming_requests: Default::default(),
417 remove_incoming_requests: Default::default(),
418 outgoing_requests: Default::default(),
419 remove_outgoing_requests: Default::default(),
420 },
421 )
422 .trace_err();
423 }
424 }
425 }
426 }
427 }
428
429 if let Some(live_kit) = live_kit_client.as_ref() {
430 if delete_live_kit_room {
431 live_kit.delete_room(live_kit_room).await.trace_err();
432 }
433 }
434 }
435 }
436
437 app_state
438 .db
439 .delete_stale_servers(&app_state.config.zed_environment, server_id)
440 .await
441 .trace_err();
442 }
443 .instrument(span),
444 );
445 Ok(())
446 }
447
448 pub fn teardown(&self) {
449 self.peer.teardown();
450 self.connection_pool.lock().reset();
451 let _ = self.teardown.send(());
452 }
453
454 #[cfg(test)]
455 pub fn reset(&self, id: ServerId) {
456 self.teardown();
457 *self.id.lock() = id;
458 self.peer.reset(id.0 as u32);
459 }
460
461 #[cfg(test)]
462 pub fn id(&self) -> ServerId {
463 *self.id.lock()
464 }
465
466 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
467 where
468 F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
469 Fut: 'static + Send + Future<Output = Result<()>>,
470 M: EnvelopedMessage,
471 {
472 let prev_handler = self.handlers.insert(
473 TypeId::of::<M>(),
474 Box::new(move |envelope, session| {
475 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
476 let span = info_span!(
477 "handle message",
478 payload_type = envelope.payload_type_name()
479 );
480 span.in_scope(|| {
481 tracing::info!(
482 payload_type = envelope.payload_type_name(),
483 "message received"
484 );
485 });
486 let start_time = Instant::now();
487 let future = (handler)(*envelope, session);
488 async move {
489 let result = future.await;
490 let duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
491 match result {
492 Err(error) => {
493 tracing::error!(%error, ?duration_ms, "error handling message")
494 }
495 Ok(()) => tracing::info!(?duration_ms, "finished handling message"),
496 }
497 }
498 .instrument(span)
499 .boxed()
500 }),
501 );
502 if prev_handler.is_some() {
503 panic!("registered a handler for the same message twice");
504 }
505 self
506 }
507
508 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
509 where
510 F: 'static + Send + Sync + Fn(M, Session) -> Fut,
511 Fut: 'static + Send + Future<Output = Result<()>>,
512 M: EnvelopedMessage,
513 {
514 self.add_handler(move |envelope, session| handler(envelope.payload, session));
515 self
516 }
517
518 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
519 where
520 F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
521 Fut: Send + Future<Output = Result<()>>,
522 M: RequestMessage,
523 {
524 let handler = Arc::new(handler);
525 self.add_handler(move |envelope, session| {
526 let receipt = envelope.receipt();
527 let handler = handler.clone();
528 async move {
529 let peer = session.peer.clone();
530 let responded = Arc::new(AtomicBool::default());
531 let response = Response {
532 peer: peer.clone(),
533 responded: responded.clone(),
534 receipt,
535 };
536 match (handler)(envelope.payload, response, session).await {
537 Ok(()) => {
538 if responded.load(std::sync::atomic::Ordering::SeqCst) {
539 Ok(())
540 } else {
541 Err(anyhow!("handler did not send a response"))?
542 }
543 }
544 Err(error) => {
545 peer.respond_with_error(
546 receipt,
547 proto::Error {
548 message: error.to_string(),
549 },
550 )?;
551 Err(error)
552 }
553 }
554 }
555 })
556 }
557
558 pub fn handle_connection(
559 self: &Arc<Self>,
560 connection: Connection,
561 address: String,
562 user: User,
563 mut send_connection_id: Option<oneshot::Sender<ConnectionId>>,
564 executor: Executor,
565 ) -> impl Future<Output = Result<()>> {
566 let this = self.clone();
567 let user_id = user.id;
568 let login = user.github_login;
569 let span = info_span!("handle connection", %user_id, %login, %address);
570 let mut teardown = self.teardown.subscribe();
571 async move {
572 let (connection_id, handle_io, mut incoming_rx) = this
573 .peer
574 .add_connection(connection, {
575 let executor = executor.clone();
576 move |duration| executor.sleep(duration)
577 });
578
579 tracing::info!(%user_id, %login, %connection_id, %address, "connection opened");
580 this.peer.send(connection_id, proto::Hello { peer_id: Some(connection_id.into()) })?;
581 tracing::info!(%user_id, %login, %connection_id, %address, "sent hello message");
582
583 if let Some(send_connection_id) = send_connection_id.take() {
584 let _ = send_connection_id.send(connection_id);
585 }
586
587 if !user.connected_once {
588 this.peer.send(connection_id, proto::ShowContacts {})?;
589 this.app_state.db.set_user_connected_once(user_id, true).await?;
590 }
591
592 let (contacts, channels_for_user, channel_invites) = future::try_join3(
593 this.app_state.db.get_contacts(user_id),
594 this.app_state.db.get_channels_for_user(user_id),
595 this.app_state.db.get_channel_invites_for_user(user_id),
596 ).await?;
597
598 {
599 let mut pool = this.connection_pool.lock();
600 pool.add_connection(connection_id, user_id, user.admin);
601 this.peer.send(connection_id, build_initial_contacts_update(contacts, &pool))?;
602 this.peer.send(connection_id, build_channels_update(
603 channels_for_user,
604 channel_invites
605 ))?;
606 }
607
608 if let Some(incoming_call) = this.app_state.db.incoming_call_for_user(user_id).await? {
609 this.peer.send(connection_id, incoming_call)?;
610 }
611
612 let session = Session {
613 user_id,
614 connection_id,
615 db: Arc::new(tokio::sync::Mutex::new(DbHandle(this.app_state.db.clone()))),
616 zed_environment: this.app_state.config.zed_environment.clone(),
617 peer: this.peer.clone(),
618 connection_pool: this.connection_pool.clone(),
619 live_kit_client: this.app_state.live_kit_client.clone(),
620 _executor: executor.clone()
621 };
622 update_user_contacts(user_id, &session).await?;
623
624 let handle_io = handle_io.fuse();
625 futures::pin_mut!(handle_io);
626
627 // Handlers for foreground messages are pushed into the following `FuturesUnordered`.
628 // This prevents deadlocks when e.g., client A performs a request to client B and
629 // client B performs a request to client A. If both clients stop processing further
630 // messages until their respective request completes, they won't have a chance to
631 // respond to the other client's request and cause a deadlock.
632 //
633 // This arrangement ensures we will attempt to process earlier messages first, but fall
634 // back to processing messages arrived later in the spirit of making progress.
635 let mut foreground_message_handlers = FuturesUnordered::new();
636 let concurrent_handlers = Arc::new(Semaphore::new(256));
637 loop {
638 let next_message = async {
639 let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
640 let message = incoming_rx.next().await;
641 (permit, message)
642 }.fuse();
643 futures::pin_mut!(next_message);
644 futures::select_biased! {
645 _ = teardown.changed().fuse() => return Ok(()),
646 result = handle_io => {
647 if let Err(error) = result {
648 tracing::error!(?error, %user_id, %login, %connection_id, %address, "error handling I/O");
649 }
650 break;
651 }
652 _ = foreground_message_handlers.next() => {}
653 next_message = next_message => {
654 let (permit, message) = next_message;
655 if let Some(message) = message {
656 let type_name = message.payload_type_name();
657 let span = tracing::info_span!("receive message", %user_id, %login, %connection_id, %address, type_name);
658 let span_enter = span.enter();
659 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
660 let is_background = message.is_background();
661 let handle_message = (handler)(message, session.clone());
662 drop(span_enter);
663
664 let handle_message = async move {
665 handle_message.await;
666 drop(permit);
667 }.instrument(span);
668 if is_background {
669 executor.spawn_detached(handle_message);
670 } else {
671 foreground_message_handlers.push(handle_message);
672 }
673 } else {
674 tracing::error!(%user_id, %login, %connection_id, %address, "no message handler");
675 }
676 } else {
677 tracing::info!(%user_id, %login, %connection_id, %address, "connection closed");
678 break;
679 }
680 }
681 }
682 }
683
684 drop(foreground_message_handlers);
685 tracing::info!(%user_id, %login, %connection_id, %address, "signing out");
686 if let Err(error) = connection_lost(session, teardown, executor).await {
687 tracing::error!(%user_id, %login, %connection_id, %address, ?error, "error signing out");
688 }
689
690 Ok(())
691 }.instrument(span)
692 }
693
694 pub async fn invite_code_redeemed(
695 self: &Arc<Self>,
696 inviter_id: UserId,
697 invitee_id: UserId,
698 ) -> Result<()> {
699 if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
700 if let Some(code) = &user.invite_code {
701 let pool = self.connection_pool.lock();
702 let invitee_contact = contact_for_user(invitee_id, false, &pool);
703 for connection_id in pool.user_connection_ids(inviter_id) {
704 self.peer.send(
705 connection_id,
706 proto::UpdateContacts {
707 contacts: vec![invitee_contact.clone()],
708 ..Default::default()
709 },
710 )?;
711 self.peer.send(
712 connection_id,
713 proto::UpdateInviteInfo {
714 url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
715 count: user.invite_count as u32,
716 },
717 )?;
718 }
719 }
720 }
721 Ok(())
722 }
723
724 pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
725 if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
726 if let Some(invite_code) = &user.invite_code {
727 let pool = self.connection_pool.lock();
728 for connection_id in pool.user_connection_ids(user_id) {
729 self.peer.send(
730 connection_id,
731 proto::UpdateInviteInfo {
732 url: format!(
733 "{}{}",
734 self.app_state.config.invite_link_prefix, invite_code
735 ),
736 count: user.invite_count as u32,
737 },
738 )?;
739 }
740 }
741 }
742 Ok(())
743 }
744
745 pub async fn snapshot<'a>(self: &'a Arc<Self>) -> ServerSnapshot<'a> {
746 ServerSnapshot {
747 connection_pool: ConnectionPoolGuard {
748 guard: self.connection_pool.lock(),
749 _not_send: PhantomData,
750 },
751 peer: &self.peer,
752 }
753 }
754}
755
756impl<'a> Deref for ConnectionPoolGuard<'a> {
757 type Target = ConnectionPool;
758
759 fn deref(&self) -> &Self::Target {
760 &*self.guard
761 }
762}
763
764impl<'a> DerefMut for ConnectionPoolGuard<'a> {
765 fn deref_mut(&mut self) -> &mut Self::Target {
766 &mut *self.guard
767 }
768}
769
770impl<'a> Drop for ConnectionPoolGuard<'a> {
771 fn drop(&mut self) {
772 #[cfg(test)]
773 self.check_invariants();
774 }
775}
776
777fn broadcast<F>(
778 sender_id: Option<ConnectionId>,
779 receiver_ids: impl IntoIterator<Item = ConnectionId>,
780 mut f: F,
781) where
782 F: FnMut(ConnectionId) -> anyhow::Result<()>,
783{
784 for receiver_id in receiver_ids {
785 if Some(receiver_id) != sender_id {
786 if let Err(error) = f(receiver_id) {
787 tracing::error!("failed to send to {:?} {}", receiver_id, error);
788 }
789 }
790 }
791}
792
793lazy_static! {
794 static ref ZED_PROTOCOL_VERSION: HeaderName = HeaderName::from_static("x-zed-protocol-version");
795}
796
797pub struct ProtocolVersion(u32);
798
799impl Header for ProtocolVersion {
800 fn name() -> &'static HeaderName {
801 &ZED_PROTOCOL_VERSION
802 }
803
804 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
805 where
806 Self: Sized,
807 I: Iterator<Item = &'i axum::http::HeaderValue>,
808 {
809 let version = values
810 .next()
811 .ok_or_else(axum::headers::Error::invalid)?
812 .to_str()
813 .map_err(|_| axum::headers::Error::invalid())?
814 .parse()
815 .map_err(|_| axum::headers::Error::invalid())?;
816 Ok(Self(version))
817 }
818
819 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
820 values.extend([self.0.to_string().parse().unwrap()]);
821 }
822}
823
824pub fn routes(server: Arc<Server>) -> Router<Body> {
825 Router::new()
826 .route("/rpc", get(handle_websocket_request))
827 .layer(
828 ServiceBuilder::new()
829 .layer(Extension(server.app_state.clone()))
830 .layer(middleware::from_fn(auth::validate_header)),
831 )
832 .route("/metrics", get(handle_metrics))
833 .layer(Extension(server))
834}
835
836pub async fn handle_websocket_request(
837 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
838 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
839 Extension(server): Extension<Arc<Server>>,
840 Extension(user): Extension<User>,
841 ws: WebSocketUpgrade,
842) -> axum::response::Response {
843 if protocol_version != rpc::PROTOCOL_VERSION {
844 return (
845 StatusCode::UPGRADE_REQUIRED,
846 "client must be upgraded".to_string(),
847 )
848 .into_response();
849 }
850 let socket_address = socket_address.to_string();
851 ws.on_upgrade(move |socket| {
852 use util::ResultExt;
853 let socket = socket
854 .map_ok(to_tungstenite_message)
855 .err_into()
856 .with(|message| async move { Ok(to_axum_message(message)) });
857 let connection = Connection::new(Box::pin(socket));
858 async move {
859 server
860 .handle_connection(connection, socket_address, user, None, Executor::Production)
861 .await
862 .log_err();
863 }
864 })
865}
866
867pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> Result<String> {
868 let connections = server
869 .connection_pool
870 .lock()
871 .connections()
872 .filter(|connection| !connection.admin)
873 .count();
874
875 METRIC_CONNECTIONS.set(connections as _);
876
877 let shared_projects = server.app_state.db.project_count_excluding_admins().await?;
878 METRIC_SHARED_PROJECTS.set(shared_projects as _);
879
880 let encoder = prometheus::TextEncoder::new();
881 let metric_families = prometheus::gather();
882 let encoded_metrics = encoder
883 .encode_to_string(&metric_families)
884 .map_err(|err| anyhow!("{}", err))?;
885 Ok(encoded_metrics)
886}
887
888#[instrument(err, skip(executor))]
889async fn connection_lost(
890 session: Session,
891 mut teardown: watch::Receiver<()>,
892 executor: Executor,
893) -> Result<()> {
894 session.peer.disconnect(session.connection_id);
895 session
896 .connection_pool()
897 .await
898 .remove_connection(session.connection_id)?;
899
900 session
901 .db()
902 .await
903 .connection_lost(session.connection_id)
904 .await
905 .trace_err();
906
907 futures::select_biased! {
908 _ = executor.sleep(RECONNECT_TIMEOUT).fuse() => {
909 log::info!("connection lost, removing all resources for user:{}, connection:{:?}", session.user_id, session.connection_id);
910 leave_room_for_session(&session).await.trace_err();
911 leave_channel_buffers_for_session(&session)
912 .await
913 .trace_err();
914
915 if !session
916 .connection_pool()
917 .await
918 .is_user_online(session.user_id)
919 {
920 let db = session.db().await;
921 if let Some(room) = db.decline_call(None, session.user_id).await.trace_err().flatten() {
922 room_updated(&room, &session.peer);
923 }
924 }
925
926 update_user_contacts(session.user_id, &session).await?;
927 }
928 _ = teardown.changed().fuse() => {}
929 }
930
931 Ok(())
932}
933
934async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
935 response.send(proto::Ack {})?;
936 Ok(())
937}
938
939async fn create_room(
940 _request: proto::CreateRoom,
941 response: Response<proto::CreateRoom>,
942 session: Session,
943) -> Result<()> {
944 let live_kit_room = nanoid::nanoid!(30);
945
946 let live_kit_connection_info = {
947 let live_kit_room = live_kit_room.clone();
948 let live_kit = session.live_kit_client.as_ref();
949
950 util::async_maybe!({
951 let live_kit = live_kit?;
952
953 let token = live_kit
954 .room_token(&live_kit_room, &session.user_id.to_string())
955 .trace_err()?;
956
957 Some(proto::LiveKitConnectionInfo {
958 server_url: live_kit.url().into(),
959 token,
960 can_publish: true,
961 })
962 })
963 }
964 .await;
965
966 let room = session
967 .db()
968 .await
969 .create_room(
970 session.user_id,
971 session.connection_id,
972 &live_kit_room,
973 &session.zed_environment,
974 )
975 .await?;
976
977 response.send(proto::CreateRoomResponse {
978 room: Some(room.clone()),
979 live_kit_connection_info,
980 })?;
981
982 update_user_contacts(session.user_id, &session).await?;
983 Ok(())
984}
985
986async fn join_room(
987 request: proto::JoinRoom,
988 response: Response<proto::JoinRoom>,
989 session: Session,
990) -> Result<()> {
991 let room_id = RoomId::from_proto(request.id);
992
993 let channel_id = session.db().await.channel_id_for_room(room_id).await?;
994
995 if let Some(channel_id) = channel_id {
996 return join_channel_internal(channel_id, Box::new(response), session).await;
997 }
998
999 let joined_room = {
1000 let room = session
1001 .db()
1002 .await
1003 .join_room(
1004 room_id,
1005 session.user_id,
1006 session.connection_id,
1007 session.zed_environment.as_ref(),
1008 )
1009 .await?;
1010 room_updated(&room.room, &session.peer);
1011 room.into_inner()
1012 };
1013
1014 for connection_id in session
1015 .connection_pool()
1016 .await
1017 .user_connection_ids(session.user_id)
1018 {
1019 session
1020 .peer
1021 .send(
1022 connection_id,
1023 proto::CallCanceled {
1024 room_id: room_id.to_proto(),
1025 },
1026 )
1027 .trace_err();
1028 }
1029
1030 let live_kit_connection_info = if let Some(live_kit) = session.live_kit_client.as_ref() {
1031 if let Some(token) = live_kit
1032 .room_token(
1033 &joined_room.room.live_kit_room,
1034 &session.user_id.to_string(),
1035 )
1036 .trace_err()
1037 {
1038 Some(proto::LiveKitConnectionInfo {
1039 server_url: live_kit.url().into(),
1040 token,
1041 can_publish: true,
1042 })
1043 } else {
1044 None
1045 }
1046 } else {
1047 None
1048 };
1049
1050 response.send(proto::JoinRoomResponse {
1051 room: Some(joined_room.room),
1052 channel_id: None,
1053 live_kit_connection_info,
1054 })?;
1055
1056 update_user_contacts(session.user_id, &session).await?;
1057 Ok(())
1058}
1059
1060async fn rejoin_room(
1061 request: proto::RejoinRoom,
1062 response: Response<proto::RejoinRoom>,
1063 session: Session,
1064) -> Result<()> {
1065 let room;
1066 let channel_id;
1067 let channel_members;
1068 {
1069 let mut rejoined_room = session
1070 .db()
1071 .await
1072 .rejoin_room(request, session.user_id, session.connection_id)
1073 .await?;
1074
1075 response.send(proto::RejoinRoomResponse {
1076 room: Some(rejoined_room.room.clone()),
1077 reshared_projects: rejoined_room
1078 .reshared_projects
1079 .iter()
1080 .map(|project| proto::ResharedProject {
1081 id: project.id.to_proto(),
1082 collaborators: project
1083 .collaborators
1084 .iter()
1085 .map(|collaborator| collaborator.to_proto())
1086 .collect(),
1087 })
1088 .collect(),
1089 rejoined_projects: rejoined_room
1090 .rejoined_projects
1091 .iter()
1092 .map(|rejoined_project| proto::RejoinedProject {
1093 id: rejoined_project.id.to_proto(),
1094 worktrees: rejoined_project
1095 .worktrees
1096 .iter()
1097 .map(|worktree| proto::WorktreeMetadata {
1098 id: worktree.id,
1099 root_name: worktree.root_name.clone(),
1100 visible: worktree.visible,
1101 abs_path: worktree.abs_path.clone(),
1102 })
1103 .collect(),
1104 collaborators: rejoined_project
1105 .collaborators
1106 .iter()
1107 .map(|collaborator| collaborator.to_proto())
1108 .collect(),
1109 language_servers: rejoined_project.language_servers.clone(),
1110 })
1111 .collect(),
1112 })?;
1113 room_updated(&rejoined_room.room, &session.peer);
1114
1115 for project in &rejoined_room.reshared_projects {
1116 for collaborator in &project.collaborators {
1117 session
1118 .peer
1119 .send(
1120 collaborator.connection_id,
1121 proto::UpdateProjectCollaborator {
1122 project_id: project.id.to_proto(),
1123 old_peer_id: Some(project.old_connection_id.into()),
1124 new_peer_id: Some(session.connection_id.into()),
1125 },
1126 )
1127 .trace_err();
1128 }
1129
1130 broadcast(
1131 Some(session.connection_id),
1132 project
1133 .collaborators
1134 .iter()
1135 .map(|collaborator| collaborator.connection_id),
1136 |connection_id| {
1137 session.peer.forward_send(
1138 session.connection_id,
1139 connection_id,
1140 proto::UpdateProject {
1141 project_id: project.id.to_proto(),
1142 worktrees: project.worktrees.clone(),
1143 },
1144 )
1145 },
1146 );
1147 }
1148
1149 for project in &rejoined_room.rejoined_projects {
1150 for collaborator in &project.collaborators {
1151 session
1152 .peer
1153 .send(
1154 collaborator.connection_id,
1155 proto::UpdateProjectCollaborator {
1156 project_id: project.id.to_proto(),
1157 old_peer_id: Some(project.old_connection_id.into()),
1158 new_peer_id: Some(session.connection_id.into()),
1159 },
1160 )
1161 .trace_err();
1162 }
1163 }
1164
1165 for project in &mut rejoined_room.rejoined_projects {
1166 for worktree in mem::take(&mut project.worktrees) {
1167 #[cfg(any(test, feature = "test-support"))]
1168 const MAX_CHUNK_SIZE: usize = 2;
1169 #[cfg(not(any(test, feature = "test-support")))]
1170 const MAX_CHUNK_SIZE: usize = 256;
1171
1172 // Stream this worktree's entries.
1173 let message = proto::UpdateWorktree {
1174 project_id: project.id.to_proto(),
1175 worktree_id: worktree.id,
1176 abs_path: worktree.abs_path.clone(),
1177 root_name: worktree.root_name,
1178 updated_entries: worktree.updated_entries,
1179 removed_entries: worktree.removed_entries,
1180 scan_id: worktree.scan_id,
1181 is_last_update: worktree.completed_scan_id == worktree.scan_id,
1182 updated_repositories: worktree.updated_repositories,
1183 removed_repositories: worktree.removed_repositories,
1184 };
1185 for update in proto::split_worktree_update(message, MAX_CHUNK_SIZE) {
1186 session.peer.send(session.connection_id, update.clone())?;
1187 }
1188
1189 // Stream this worktree's diagnostics.
1190 for summary in worktree.diagnostic_summaries {
1191 session.peer.send(
1192 session.connection_id,
1193 proto::UpdateDiagnosticSummary {
1194 project_id: project.id.to_proto(),
1195 worktree_id: worktree.id,
1196 summary: Some(summary),
1197 },
1198 )?;
1199 }
1200
1201 for settings_file in worktree.settings_files {
1202 session.peer.send(
1203 session.connection_id,
1204 proto::UpdateWorktreeSettings {
1205 project_id: project.id.to_proto(),
1206 worktree_id: worktree.id,
1207 path: settings_file.path,
1208 content: Some(settings_file.content),
1209 },
1210 )?;
1211 }
1212 }
1213
1214 for language_server in &project.language_servers {
1215 session.peer.send(
1216 session.connection_id,
1217 proto::UpdateLanguageServer {
1218 project_id: project.id.to_proto(),
1219 language_server_id: language_server.id,
1220 variant: Some(
1221 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1222 proto::LspDiskBasedDiagnosticsUpdated {},
1223 ),
1224 ),
1225 },
1226 )?;
1227 }
1228 }
1229
1230 let rejoined_room = rejoined_room.into_inner();
1231
1232 room = rejoined_room.room;
1233 channel_id = rejoined_room.channel_id;
1234 channel_members = rejoined_room.channel_members;
1235 }
1236
1237 if let Some(channel_id) = channel_id {
1238 channel_updated(
1239 channel_id,
1240 &room,
1241 &channel_members,
1242 &session.peer,
1243 &*session.connection_pool().await,
1244 );
1245 }
1246
1247 update_user_contacts(session.user_id, &session).await?;
1248 Ok(())
1249}
1250
1251async fn leave_room(
1252 _: proto::LeaveRoom,
1253 response: Response<proto::LeaveRoom>,
1254 session: Session,
1255) -> Result<()> {
1256 leave_room_for_session(&session).await?;
1257 response.send(proto::Ack {})?;
1258 Ok(())
1259}
1260
1261async fn call(
1262 request: proto::Call,
1263 response: Response<proto::Call>,
1264 session: Session,
1265) -> Result<()> {
1266 let room_id = RoomId::from_proto(request.room_id);
1267 let calling_user_id = session.user_id;
1268 let calling_connection_id = session.connection_id;
1269 let called_user_id = UserId::from_proto(request.called_user_id);
1270 let initial_project_id = request.initial_project_id.map(ProjectId::from_proto);
1271 if !session
1272 .db()
1273 .await
1274 .has_contact(calling_user_id, called_user_id)
1275 .await?
1276 {
1277 return Err(anyhow!("cannot call a user who isn't a contact"))?;
1278 }
1279
1280 let incoming_call = {
1281 let (room, incoming_call) = &mut *session
1282 .db()
1283 .await
1284 .call(
1285 room_id,
1286 calling_user_id,
1287 calling_connection_id,
1288 called_user_id,
1289 initial_project_id,
1290 )
1291 .await?;
1292 room_updated(&room, &session.peer);
1293 mem::take(incoming_call)
1294 };
1295 update_user_contacts(called_user_id, &session).await?;
1296
1297 let mut calls = session
1298 .connection_pool()
1299 .await
1300 .user_connection_ids(called_user_id)
1301 .map(|connection_id| session.peer.request(connection_id, incoming_call.clone()))
1302 .collect::<FuturesUnordered<_>>();
1303
1304 while let Some(call_response) = calls.next().await {
1305 match call_response.as_ref() {
1306 Ok(_) => {
1307 response.send(proto::Ack {})?;
1308 return Ok(());
1309 }
1310 Err(_) => {
1311 call_response.trace_err();
1312 }
1313 }
1314 }
1315
1316 {
1317 let room = session
1318 .db()
1319 .await
1320 .call_failed(room_id, called_user_id)
1321 .await?;
1322 room_updated(&room, &session.peer);
1323 }
1324 update_user_contacts(called_user_id, &session).await?;
1325
1326 Err(anyhow!("failed to ring user"))?
1327}
1328
1329async fn cancel_call(
1330 request: proto::CancelCall,
1331 response: Response<proto::CancelCall>,
1332 session: Session,
1333) -> Result<()> {
1334 let called_user_id = UserId::from_proto(request.called_user_id);
1335 let room_id = RoomId::from_proto(request.room_id);
1336 {
1337 let room = session
1338 .db()
1339 .await
1340 .cancel_call(room_id, session.connection_id, called_user_id)
1341 .await?;
1342 room_updated(&room, &session.peer);
1343 }
1344
1345 for connection_id in session
1346 .connection_pool()
1347 .await
1348 .user_connection_ids(called_user_id)
1349 {
1350 session
1351 .peer
1352 .send(
1353 connection_id,
1354 proto::CallCanceled {
1355 room_id: room_id.to_proto(),
1356 },
1357 )
1358 .trace_err();
1359 }
1360 response.send(proto::Ack {})?;
1361
1362 update_user_contacts(called_user_id, &session).await?;
1363 Ok(())
1364}
1365
1366async fn decline_call(message: proto::DeclineCall, session: Session) -> Result<()> {
1367 let room_id = RoomId::from_proto(message.room_id);
1368 {
1369 let room = session
1370 .db()
1371 .await
1372 .decline_call(Some(room_id), session.user_id)
1373 .await?
1374 .ok_or_else(|| anyhow!("failed to decline call"))?;
1375 room_updated(&room, &session.peer);
1376 }
1377
1378 for connection_id in session
1379 .connection_pool()
1380 .await
1381 .user_connection_ids(session.user_id)
1382 {
1383 session
1384 .peer
1385 .send(
1386 connection_id,
1387 proto::CallCanceled {
1388 room_id: room_id.to_proto(),
1389 },
1390 )
1391 .trace_err();
1392 }
1393 update_user_contacts(session.user_id, &session).await?;
1394 Ok(())
1395}
1396
1397async fn update_participant_location(
1398 request: proto::UpdateParticipantLocation,
1399 response: Response<proto::UpdateParticipantLocation>,
1400 session: Session,
1401) -> Result<()> {
1402 let room_id = RoomId::from_proto(request.room_id);
1403 let location = request
1404 .location
1405 .ok_or_else(|| anyhow!("invalid location"))?;
1406
1407 let db = session.db().await;
1408 let room = db
1409 .update_room_participant_location(room_id, session.connection_id, location)
1410 .await?;
1411
1412 room_updated(&room, &session.peer);
1413 response.send(proto::Ack {})?;
1414 Ok(())
1415}
1416
1417async fn share_project(
1418 request: proto::ShareProject,
1419 response: Response<proto::ShareProject>,
1420 session: Session,
1421) -> Result<()> {
1422 let (project_id, room) = &*session
1423 .db()
1424 .await
1425 .share_project(
1426 RoomId::from_proto(request.room_id),
1427 session.connection_id,
1428 &request.worktrees,
1429 )
1430 .await?;
1431 response.send(proto::ShareProjectResponse {
1432 project_id: project_id.to_proto(),
1433 })?;
1434 room_updated(&room, &session.peer);
1435
1436 Ok(())
1437}
1438
1439async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
1440 let project_id = ProjectId::from_proto(message.project_id);
1441
1442 let (room, guest_connection_ids) = &*session
1443 .db()
1444 .await
1445 .unshare_project(project_id, session.connection_id)
1446 .await?;
1447
1448 broadcast(
1449 Some(session.connection_id),
1450 guest_connection_ids.iter().copied(),
1451 |conn_id| session.peer.send(conn_id, message.clone()),
1452 );
1453 room_updated(&room, &session.peer);
1454
1455 Ok(())
1456}
1457
1458async fn join_project(
1459 request: proto::JoinProject,
1460 response: Response<proto::JoinProject>,
1461 session: Session,
1462) -> Result<()> {
1463 let project_id = ProjectId::from_proto(request.project_id);
1464 let guest_user_id = session.user_id;
1465
1466 tracing::info!(%project_id, "join project");
1467
1468 let (project, replica_id) = &mut *session
1469 .db()
1470 .await
1471 .join_project(project_id, session.connection_id)
1472 .await?;
1473
1474 let collaborators = project
1475 .collaborators
1476 .iter()
1477 .filter(|collaborator| collaborator.connection_id != session.connection_id)
1478 .map(|collaborator| collaborator.to_proto())
1479 .collect::<Vec<_>>();
1480
1481 let worktrees = project
1482 .worktrees
1483 .iter()
1484 .map(|(id, worktree)| proto::WorktreeMetadata {
1485 id: *id,
1486 root_name: worktree.root_name.clone(),
1487 visible: worktree.visible,
1488 abs_path: worktree.abs_path.clone(),
1489 })
1490 .collect::<Vec<_>>();
1491
1492 for collaborator in &collaborators {
1493 session
1494 .peer
1495 .send(
1496 collaborator.peer_id.unwrap().into(),
1497 proto::AddProjectCollaborator {
1498 project_id: project_id.to_proto(),
1499 collaborator: Some(proto::Collaborator {
1500 peer_id: Some(session.connection_id.into()),
1501 replica_id: replica_id.0 as u32,
1502 user_id: guest_user_id.to_proto(),
1503 }),
1504 },
1505 )
1506 .trace_err();
1507 }
1508
1509 // First, we send the metadata associated with each worktree.
1510 response.send(proto::JoinProjectResponse {
1511 worktrees: worktrees.clone(),
1512 replica_id: replica_id.0 as u32,
1513 collaborators: collaborators.clone(),
1514 language_servers: project.language_servers.clone(),
1515 })?;
1516
1517 for (worktree_id, worktree) in mem::take(&mut project.worktrees) {
1518 #[cfg(any(test, feature = "test-support"))]
1519 const MAX_CHUNK_SIZE: usize = 2;
1520 #[cfg(not(any(test, feature = "test-support")))]
1521 const MAX_CHUNK_SIZE: usize = 256;
1522
1523 // Stream this worktree's entries.
1524 let message = proto::UpdateWorktree {
1525 project_id: project_id.to_proto(),
1526 worktree_id,
1527 abs_path: worktree.abs_path.clone(),
1528 root_name: worktree.root_name,
1529 updated_entries: worktree.entries,
1530 removed_entries: Default::default(),
1531 scan_id: worktree.scan_id,
1532 is_last_update: worktree.scan_id == worktree.completed_scan_id,
1533 updated_repositories: worktree.repository_entries.into_values().collect(),
1534 removed_repositories: Default::default(),
1535 };
1536 for update in proto::split_worktree_update(message, MAX_CHUNK_SIZE) {
1537 session.peer.send(session.connection_id, update.clone())?;
1538 }
1539
1540 // Stream this worktree's diagnostics.
1541 for summary in worktree.diagnostic_summaries {
1542 session.peer.send(
1543 session.connection_id,
1544 proto::UpdateDiagnosticSummary {
1545 project_id: project_id.to_proto(),
1546 worktree_id: worktree.id,
1547 summary: Some(summary),
1548 },
1549 )?;
1550 }
1551
1552 for settings_file in worktree.settings_files {
1553 session.peer.send(
1554 session.connection_id,
1555 proto::UpdateWorktreeSettings {
1556 project_id: project_id.to_proto(),
1557 worktree_id: worktree.id,
1558 path: settings_file.path,
1559 content: Some(settings_file.content),
1560 },
1561 )?;
1562 }
1563 }
1564
1565 for language_server in &project.language_servers {
1566 session.peer.send(
1567 session.connection_id,
1568 proto::UpdateLanguageServer {
1569 project_id: project_id.to_proto(),
1570 language_server_id: language_server.id,
1571 variant: Some(
1572 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1573 proto::LspDiskBasedDiagnosticsUpdated {},
1574 ),
1575 ),
1576 },
1577 )?;
1578 }
1579
1580 Ok(())
1581}
1582
1583async fn leave_project(request: proto::LeaveProject, session: Session) -> Result<()> {
1584 let sender_id = session.connection_id;
1585 let project_id = ProjectId::from_proto(request.project_id);
1586
1587 let (room, project) = &*session
1588 .db()
1589 .await
1590 .leave_project(project_id, sender_id)
1591 .await?;
1592 tracing::info!(
1593 %project_id,
1594 host_user_id = %project.host_user_id,
1595 host_connection_id = %project.host_connection_id,
1596 "leave project"
1597 );
1598
1599 project_left(&project, &session);
1600 room_updated(&room, &session.peer);
1601
1602 Ok(())
1603}
1604
1605async fn update_project(
1606 request: proto::UpdateProject,
1607 response: Response<proto::UpdateProject>,
1608 session: Session,
1609) -> Result<()> {
1610 let project_id = ProjectId::from_proto(request.project_id);
1611 let (room, guest_connection_ids) = &*session
1612 .db()
1613 .await
1614 .update_project(project_id, session.connection_id, &request.worktrees)
1615 .await?;
1616 broadcast(
1617 Some(session.connection_id),
1618 guest_connection_ids.iter().copied(),
1619 |connection_id| {
1620 session
1621 .peer
1622 .forward_send(session.connection_id, connection_id, request.clone())
1623 },
1624 );
1625 room_updated(&room, &session.peer);
1626 response.send(proto::Ack {})?;
1627
1628 Ok(())
1629}
1630
1631async fn update_worktree(
1632 request: proto::UpdateWorktree,
1633 response: Response<proto::UpdateWorktree>,
1634 session: Session,
1635) -> Result<()> {
1636 let guest_connection_ids = session
1637 .db()
1638 .await
1639 .update_worktree(&request, session.connection_id)
1640 .await?;
1641
1642 broadcast(
1643 Some(session.connection_id),
1644 guest_connection_ids.iter().copied(),
1645 |connection_id| {
1646 session
1647 .peer
1648 .forward_send(session.connection_id, connection_id, request.clone())
1649 },
1650 );
1651 response.send(proto::Ack {})?;
1652 Ok(())
1653}
1654
1655async fn update_diagnostic_summary(
1656 message: proto::UpdateDiagnosticSummary,
1657 session: Session,
1658) -> Result<()> {
1659 let guest_connection_ids = session
1660 .db()
1661 .await
1662 .update_diagnostic_summary(&message, session.connection_id)
1663 .await?;
1664
1665 broadcast(
1666 Some(session.connection_id),
1667 guest_connection_ids.iter().copied(),
1668 |connection_id| {
1669 session
1670 .peer
1671 .forward_send(session.connection_id, connection_id, message.clone())
1672 },
1673 );
1674
1675 Ok(())
1676}
1677
1678async fn update_worktree_settings(
1679 message: proto::UpdateWorktreeSettings,
1680 session: Session,
1681) -> Result<()> {
1682 let guest_connection_ids = session
1683 .db()
1684 .await
1685 .update_worktree_settings(&message, session.connection_id)
1686 .await?;
1687
1688 broadcast(
1689 Some(session.connection_id),
1690 guest_connection_ids.iter().copied(),
1691 |connection_id| {
1692 session
1693 .peer
1694 .forward_send(session.connection_id, connection_id, message.clone())
1695 },
1696 );
1697
1698 Ok(())
1699}
1700
1701async fn start_language_server(
1702 request: proto::StartLanguageServer,
1703 session: Session,
1704) -> Result<()> {
1705 let guest_connection_ids = session
1706 .db()
1707 .await
1708 .start_language_server(&request, session.connection_id)
1709 .await?;
1710
1711 broadcast(
1712 Some(session.connection_id),
1713 guest_connection_ids.iter().copied(),
1714 |connection_id| {
1715 session
1716 .peer
1717 .forward_send(session.connection_id, connection_id, request.clone())
1718 },
1719 );
1720 Ok(())
1721}
1722
1723async fn update_language_server(
1724 request: proto::UpdateLanguageServer,
1725 session: Session,
1726) -> Result<()> {
1727 let project_id = ProjectId::from_proto(request.project_id);
1728 let project_connection_ids = session
1729 .db()
1730 .await
1731 .project_connection_ids(project_id, session.connection_id)
1732 .await?;
1733 broadcast(
1734 Some(session.connection_id),
1735 project_connection_ids.iter().copied(),
1736 |connection_id| {
1737 session
1738 .peer
1739 .forward_send(session.connection_id, connection_id, request.clone())
1740 },
1741 );
1742 Ok(())
1743}
1744
1745async fn forward_read_only_project_request<T>(
1746 request: T,
1747 response: Response<T>,
1748 session: Session,
1749) -> Result<()>
1750where
1751 T: EntityMessage + RequestMessage,
1752{
1753 let project_id = ProjectId::from_proto(request.remote_entity_id());
1754 let host_connection_id = session
1755 .db()
1756 .await
1757 .host_for_read_only_project_request(project_id, session.connection_id)
1758 .await?;
1759 let payload = session
1760 .peer
1761 .forward_request(session.connection_id, host_connection_id, request)
1762 .await?;
1763 response.send(payload)?;
1764 Ok(())
1765}
1766
1767async fn forward_mutating_project_request<T>(
1768 request: T,
1769 response: Response<T>,
1770 session: Session,
1771) -> Result<()>
1772where
1773 T: EntityMessage + RequestMessage,
1774{
1775 let project_id = ProjectId::from_proto(request.remote_entity_id());
1776 let host_connection_id = session
1777 .db()
1778 .await
1779 .host_for_mutating_project_request(project_id, session.connection_id)
1780 .await?;
1781 let payload = session
1782 .peer
1783 .forward_request(session.connection_id, host_connection_id, request)
1784 .await?;
1785 response.send(payload)?;
1786 Ok(())
1787}
1788
1789async fn create_buffer_for_peer(
1790 request: proto::CreateBufferForPeer,
1791 session: Session,
1792) -> Result<()> {
1793 session
1794 .db()
1795 .await
1796 .check_user_is_project_host(
1797 ProjectId::from_proto(request.project_id),
1798 session.connection_id,
1799 )
1800 .await?;
1801 let peer_id = request.peer_id.ok_or_else(|| anyhow!("invalid peer id"))?;
1802 session
1803 .peer
1804 .forward_send(session.connection_id, peer_id.into(), request)?;
1805 Ok(())
1806}
1807
1808async fn update_buffer(
1809 request: proto::UpdateBuffer,
1810 response: Response<proto::UpdateBuffer>,
1811 session: Session,
1812) -> Result<()> {
1813 let project_id = ProjectId::from_proto(request.project_id);
1814 let mut guest_connection_ids;
1815 let mut host_connection_id = None;
1816
1817 {
1818 let collaborators = session
1819 .db()
1820 .await
1821 .project_collaborators_for_buffer_update(project_id, session.connection_id)
1822 .await?;
1823 guest_connection_ids = Vec::with_capacity(collaborators.len() - 1);
1824 for collaborator in collaborators.iter() {
1825 if collaborator.is_host {
1826 host_connection_id = Some(collaborator.connection_id);
1827 } else {
1828 guest_connection_ids.push(collaborator.connection_id);
1829 }
1830 }
1831 }
1832 let host_connection_id = host_connection_id.ok_or_else(|| anyhow!("host not found"))?;
1833
1834 broadcast(
1835 Some(session.connection_id),
1836 guest_connection_ids,
1837 |connection_id| {
1838 session
1839 .peer
1840 .forward_send(session.connection_id, connection_id, request.clone())
1841 },
1842 );
1843 if host_connection_id != session.connection_id {
1844 session
1845 .peer
1846 .forward_request(session.connection_id, host_connection_id, request.clone())
1847 .await?;
1848 }
1849
1850 response.send(proto::Ack {})?;
1851 Ok(())
1852}
1853
1854async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
1855 request: T,
1856 session: Session,
1857) -> Result<()> {
1858 let project_id = ProjectId::from_proto(request.remote_entity_id());
1859 let project_connection_ids = session
1860 .db()
1861 .await
1862 .project_connection_ids(project_id, session.connection_id)
1863 .await?;
1864
1865 broadcast(
1866 Some(session.connection_id),
1867 project_connection_ids.iter().copied(),
1868 |connection_id| {
1869 session
1870 .peer
1871 .forward_send(session.connection_id, connection_id, request.clone())
1872 },
1873 );
1874 Ok(())
1875}
1876
1877async fn follow(
1878 request: proto::Follow,
1879 response: Response<proto::Follow>,
1880 session: Session,
1881) -> Result<()> {
1882 let room_id = RoomId::from_proto(request.room_id);
1883 let project_id = request.project_id.map(ProjectId::from_proto);
1884 let leader_id = request
1885 .leader_id
1886 .ok_or_else(|| anyhow!("invalid leader id"))?
1887 .into();
1888 let follower_id = session.connection_id;
1889
1890 session
1891 .db()
1892 .await
1893 .check_room_participants(room_id, leader_id, session.connection_id)
1894 .await?;
1895
1896 let response_payload = session
1897 .peer
1898 .forward_request(session.connection_id, leader_id, request)
1899 .await?;
1900 response.send(response_payload)?;
1901
1902 if let Some(project_id) = project_id {
1903 let room = session
1904 .db()
1905 .await
1906 .follow(room_id, project_id, leader_id, follower_id)
1907 .await?;
1908 room_updated(&room, &session.peer);
1909 }
1910
1911 Ok(())
1912}
1913
1914async fn unfollow(request: proto::Unfollow, session: Session) -> Result<()> {
1915 let room_id = RoomId::from_proto(request.room_id);
1916 let project_id = request.project_id.map(ProjectId::from_proto);
1917 let leader_id = request
1918 .leader_id
1919 .ok_or_else(|| anyhow!("invalid leader id"))?
1920 .into();
1921 let follower_id = session.connection_id;
1922
1923 session
1924 .db()
1925 .await
1926 .check_room_participants(room_id, leader_id, session.connection_id)
1927 .await?;
1928
1929 session
1930 .peer
1931 .forward_send(session.connection_id, leader_id, request)?;
1932
1933 if let Some(project_id) = project_id {
1934 let room = session
1935 .db()
1936 .await
1937 .unfollow(room_id, project_id, leader_id, follower_id)
1938 .await?;
1939 room_updated(&room, &session.peer);
1940 }
1941
1942 Ok(())
1943}
1944
1945async fn update_followers(request: proto::UpdateFollowers, session: Session) -> Result<()> {
1946 let room_id = RoomId::from_proto(request.room_id);
1947 let database = session.db.lock().await;
1948
1949 let connection_ids = if let Some(project_id) = request.project_id {
1950 let project_id = ProjectId::from_proto(project_id);
1951 database
1952 .project_connection_ids(project_id, session.connection_id)
1953 .await?
1954 } else {
1955 database
1956 .room_connection_ids(room_id, session.connection_id)
1957 .await?
1958 };
1959
1960 // For now, don't send view update messages back to that view's current leader.
1961 let connection_id_to_omit = request.variant.as_ref().and_then(|variant| match variant {
1962 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
1963 _ => None,
1964 });
1965
1966 for follower_peer_id in request.follower_ids.iter().copied() {
1967 let follower_connection_id = follower_peer_id.into();
1968 if Some(follower_peer_id) != connection_id_to_omit
1969 && connection_ids.contains(&follower_connection_id)
1970 {
1971 session.peer.forward_send(
1972 session.connection_id,
1973 follower_connection_id,
1974 request.clone(),
1975 )?;
1976 }
1977 }
1978 Ok(())
1979}
1980
1981async fn get_users(
1982 request: proto::GetUsers,
1983 response: Response<proto::GetUsers>,
1984 session: Session,
1985) -> Result<()> {
1986 let user_ids = request
1987 .user_ids
1988 .into_iter()
1989 .map(UserId::from_proto)
1990 .collect();
1991 let users = session
1992 .db()
1993 .await
1994 .get_users_by_ids(user_ids)
1995 .await?
1996 .into_iter()
1997 .map(|user| proto::User {
1998 id: user.id.to_proto(),
1999 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2000 github_login: user.github_login,
2001 })
2002 .collect();
2003 response.send(proto::UsersResponse { users })?;
2004 Ok(())
2005}
2006
2007async fn fuzzy_search_users(
2008 request: proto::FuzzySearchUsers,
2009 response: Response<proto::FuzzySearchUsers>,
2010 session: Session,
2011) -> Result<()> {
2012 let query = request.query;
2013 let users = match query.len() {
2014 0 => vec![],
2015 1 | 2 => session
2016 .db()
2017 .await
2018 .get_user_by_github_login(&query)
2019 .await?
2020 .into_iter()
2021 .collect(),
2022 _ => session.db().await.fuzzy_search_users(&query, 10).await?,
2023 };
2024 let users = users
2025 .into_iter()
2026 .filter(|user| user.id != session.user_id)
2027 .map(|user| proto::User {
2028 id: user.id.to_proto(),
2029 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2030 github_login: user.github_login,
2031 })
2032 .collect();
2033 response.send(proto::UsersResponse { users })?;
2034 Ok(())
2035}
2036
2037async fn request_contact(
2038 request: proto::RequestContact,
2039 response: Response<proto::RequestContact>,
2040 session: Session,
2041) -> Result<()> {
2042 let requester_id = session.user_id;
2043 let responder_id = UserId::from_proto(request.responder_id);
2044 if requester_id == responder_id {
2045 return Err(anyhow!("cannot add yourself as a contact"))?;
2046 }
2047
2048 let notifications = session
2049 .db()
2050 .await
2051 .send_contact_request(requester_id, responder_id)
2052 .await?;
2053
2054 // Update outgoing contact requests of requester
2055 let mut update = proto::UpdateContacts::default();
2056 update.outgoing_requests.push(responder_id.to_proto());
2057 for connection_id in session
2058 .connection_pool()
2059 .await
2060 .user_connection_ids(requester_id)
2061 {
2062 session.peer.send(connection_id, update.clone())?;
2063 }
2064
2065 // Update incoming contact requests of responder
2066 let mut update = proto::UpdateContacts::default();
2067 update
2068 .incoming_requests
2069 .push(proto::IncomingContactRequest {
2070 requester_id: requester_id.to_proto(),
2071 });
2072 let connection_pool = session.connection_pool().await;
2073 for connection_id in connection_pool.user_connection_ids(responder_id) {
2074 session.peer.send(connection_id, update.clone())?;
2075 }
2076
2077 send_notifications(&*connection_pool, &session.peer, notifications);
2078
2079 response.send(proto::Ack {})?;
2080 Ok(())
2081}
2082
2083async fn respond_to_contact_request(
2084 request: proto::RespondToContactRequest,
2085 response: Response<proto::RespondToContactRequest>,
2086 session: Session,
2087) -> Result<()> {
2088 let responder_id = session.user_id;
2089 let requester_id = UserId::from_proto(request.requester_id);
2090 let db = session.db().await;
2091 if request.response == proto::ContactRequestResponse::Dismiss as i32 {
2092 db.dismiss_contact_notification(responder_id, requester_id)
2093 .await?;
2094 } else {
2095 let accept = request.response == proto::ContactRequestResponse::Accept as i32;
2096
2097 let notifications = db
2098 .respond_to_contact_request(responder_id, requester_id, accept)
2099 .await?;
2100 let requester_busy = db.is_user_busy(requester_id).await?;
2101 let responder_busy = db.is_user_busy(responder_id).await?;
2102
2103 let pool = session.connection_pool().await;
2104 // Update responder with new contact
2105 let mut update = proto::UpdateContacts::default();
2106 if accept {
2107 update
2108 .contacts
2109 .push(contact_for_user(requester_id, requester_busy, &pool));
2110 }
2111 update
2112 .remove_incoming_requests
2113 .push(requester_id.to_proto());
2114 for connection_id in pool.user_connection_ids(responder_id) {
2115 session.peer.send(connection_id, update.clone())?;
2116 }
2117
2118 // Update requester with new contact
2119 let mut update = proto::UpdateContacts::default();
2120 if accept {
2121 update
2122 .contacts
2123 .push(contact_for_user(responder_id, responder_busy, &pool));
2124 }
2125 update
2126 .remove_outgoing_requests
2127 .push(responder_id.to_proto());
2128
2129 for connection_id in pool.user_connection_ids(requester_id) {
2130 session.peer.send(connection_id, update.clone())?;
2131 }
2132
2133 send_notifications(&*pool, &session.peer, notifications);
2134 }
2135
2136 response.send(proto::Ack {})?;
2137 Ok(())
2138}
2139
2140async fn remove_contact(
2141 request: proto::RemoveContact,
2142 response: Response<proto::RemoveContact>,
2143 session: Session,
2144) -> Result<()> {
2145 let requester_id = session.user_id;
2146 let responder_id = UserId::from_proto(request.user_id);
2147 let db = session.db().await;
2148 let (contact_accepted, deleted_notification_id) =
2149 db.remove_contact(requester_id, responder_id).await?;
2150
2151 let pool = session.connection_pool().await;
2152 // Update outgoing contact requests of requester
2153 let mut update = proto::UpdateContacts::default();
2154 if contact_accepted {
2155 update.remove_contacts.push(responder_id.to_proto());
2156 } else {
2157 update
2158 .remove_outgoing_requests
2159 .push(responder_id.to_proto());
2160 }
2161 for connection_id in pool.user_connection_ids(requester_id) {
2162 session.peer.send(connection_id, update.clone())?;
2163 }
2164
2165 // Update incoming contact requests of responder
2166 let mut update = proto::UpdateContacts::default();
2167 if contact_accepted {
2168 update.remove_contacts.push(requester_id.to_proto());
2169 } else {
2170 update
2171 .remove_incoming_requests
2172 .push(requester_id.to_proto());
2173 }
2174 for connection_id in pool.user_connection_ids(responder_id) {
2175 session.peer.send(connection_id, update.clone())?;
2176 if let Some(notification_id) = deleted_notification_id {
2177 session.peer.send(
2178 connection_id,
2179 proto::DeleteNotification {
2180 notification_id: notification_id.to_proto(),
2181 },
2182 )?;
2183 }
2184 }
2185
2186 response.send(proto::Ack {})?;
2187 Ok(())
2188}
2189
2190async fn create_channel(
2191 request: proto::CreateChannel,
2192 response: Response<proto::CreateChannel>,
2193 session: Session,
2194) -> Result<()> {
2195 let db = session.db().await;
2196
2197 let parent_id = request.parent_id.map(|id| ChannelId::from_proto(id));
2198 let CreateChannelResult {
2199 channel,
2200 participants_to_update,
2201 } = db
2202 .create_channel(&request.name, parent_id, session.user_id)
2203 .await?;
2204
2205 response.send(proto::CreateChannelResponse {
2206 channel: Some(channel.to_proto()),
2207 parent_id: request.parent_id,
2208 })?;
2209
2210 let connection_pool = session.connection_pool().await;
2211 for (user_id, channels) in participants_to_update {
2212 let update = build_channels_update(channels, vec![]);
2213 for connection_id in connection_pool.user_connection_ids(user_id) {
2214 if user_id == session.user_id {
2215 continue;
2216 }
2217 session.peer.send(connection_id, update.clone())?;
2218 }
2219 }
2220
2221 Ok(())
2222}
2223
2224async fn delete_channel(
2225 request: proto::DeleteChannel,
2226 response: Response<proto::DeleteChannel>,
2227 session: Session,
2228) -> Result<()> {
2229 let db = session.db().await;
2230
2231 let channel_id = request.channel_id;
2232 let (removed_channels, member_ids) = db
2233 .delete_channel(ChannelId::from_proto(channel_id), session.user_id)
2234 .await?;
2235 response.send(proto::Ack {})?;
2236
2237 // Notify members of removed channels
2238 let mut update = proto::UpdateChannels::default();
2239 update
2240 .delete_channels
2241 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
2242
2243 let connection_pool = session.connection_pool().await;
2244 for member_id in member_ids {
2245 for connection_id in connection_pool.user_connection_ids(member_id) {
2246 session.peer.send(connection_id, update.clone())?;
2247 }
2248 }
2249
2250 Ok(())
2251}
2252
2253async fn invite_channel_member(
2254 request: proto::InviteChannelMember,
2255 response: Response<proto::InviteChannelMember>,
2256 session: Session,
2257) -> Result<()> {
2258 let db = session.db().await;
2259 let channel_id = ChannelId::from_proto(request.channel_id);
2260 let invitee_id = UserId::from_proto(request.user_id);
2261 let InviteMemberResult {
2262 channel,
2263 notifications,
2264 } = db
2265 .invite_channel_member(
2266 channel_id,
2267 invitee_id,
2268 session.user_id,
2269 request.role().into(),
2270 )
2271 .await?;
2272
2273 let update = proto::UpdateChannels {
2274 channel_invitations: vec![channel.to_proto()],
2275 ..Default::default()
2276 };
2277
2278 let connection_pool = session.connection_pool().await;
2279 for connection_id in connection_pool.user_connection_ids(invitee_id) {
2280 session.peer.send(connection_id, update.clone())?;
2281 }
2282
2283 send_notifications(&*connection_pool, &session.peer, notifications);
2284
2285 response.send(proto::Ack {})?;
2286 Ok(())
2287}
2288
2289async fn remove_channel_member(
2290 request: proto::RemoveChannelMember,
2291 response: Response<proto::RemoveChannelMember>,
2292 session: Session,
2293) -> Result<()> {
2294 let db = session.db().await;
2295 let channel_id = ChannelId::from_proto(request.channel_id);
2296 let member_id = UserId::from_proto(request.user_id);
2297
2298 let RemoveChannelMemberResult {
2299 membership_update,
2300 notification_id,
2301 } = db
2302 .remove_channel_member(channel_id, member_id, session.user_id)
2303 .await?;
2304
2305 let connection_pool = &session.connection_pool().await;
2306 notify_membership_updated(
2307 &connection_pool,
2308 membership_update,
2309 member_id,
2310 &session.peer,
2311 );
2312 for connection_id in connection_pool.user_connection_ids(member_id) {
2313 if let Some(notification_id) = notification_id {
2314 session
2315 .peer
2316 .send(
2317 connection_id,
2318 proto::DeleteNotification {
2319 notification_id: notification_id.to_proto(),
2320 },
2321 )
2322 .trace_err();
2323 }
2324 }
2325
2326 response.send(proto::Ack {})?;
2327 Ok(())
2328}
2329
2330async fn set_channel_visibility(
2331 request: proto::SetChannelVisibility,
2332 response: Response<proto::SetChannelVisibility>,
2333 session: Session,
2334) -> Result<()> {
2335 let db = session.db().await;
2336 let channel_id = ChannelId::from_proto(request.channel_id);
2337 let visibility = request.visibility().into();
2338
2339 let SetChannelVisibilityResult {
2340 participants_to_update,
2341 participants_to_remove,
2342 channels_to_remove,
2343 } = db
2344 .set_channel_visibility(channel_id, visibility, session.user_id)
2345 .await?;
2346
2347 let connection_pool = session.connection_pool().await;
2348 for (user_id, channels) in participants_to_update {
2349 let update = build_channels_update(channels, vec![]);
2350 for connection_id in connection_pool.user_connection_ids(user_id) {
2351 session.peer.send(connection_id, update.clone())?;
2352 }
2353 }
2354 for user_id in participants_to_remove {
2355 let update = proto::UpdateChannels {
2356 delete_channels: channels_to_remove.iter().map(|id| id.to_proto()).collect(),
2357 ..Default::default()
2358 };
2359 for connection_id in connection_pool.user_connection_ids(user_id) {
2360 session.peer.send(connection_id, update.clone())?;
2361 }
2362 }
2363
2364 response.send(proto::Ack {})?;
2365 Ok(())
2366}
2367
2368async fn set_channel_member_role(
2369 request: proto::SetChannelMemberRole,
2370 response: Response<proto::SetChannelMemberRole>,
2371 session: Session,
2372) -> Result<()> {
2373 let db = session.db().await;
2374 let channel_id = ChannelId::from_proto(request.channel_id);
2375 let member_id = UserId::from_proto(request.user_id);
2376 let result = db
2377 .set_channel_member_role(
2378 channel_id,
2379 session.user_id,
2380 member_id,
2381 request.role().into(),
2382 )
2383 .await?;
2384
2385 match result {
2386 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
2387 let connection_pool = session.connection_pool().await;
2388 notify_membership_updated(
2389 &connection_pool,
2390 membership_update,
2391 member_id,
2392 &session.peer,
2393 )
2394 }
2395 db::SetMemberRoleResult::InviteUpdated(channel) => {
2396 let update = proto::UpdateChannels {
2397 channel_invitations: vec![channel.to_proto()],
2398 ..Default::default()
2399 };
2400
2401 for connection_id in session
2402 .connection_pool()
2403 .await
2404 .user_connection_ids(member_id)
2405 {
2406 session.peer.send(connection_id, update.clone())?;
2407 }
2408 }
2409 }
2410
2411 response.send(proto::Ack {})?;
2412 Ok(())
2413}
2414
2415async fn rename_channel(
2416 request: proto::RenameChannel,
2417 response: Response<proto::RenameChannel>,
2418 session: Session,
2419) -> Result<()> {
2420 let db = session.db().await;
2421 let channel_id = ChannelId::from_proto(request.channel_id);
2422 let RenameChannelResult {
2423 channel,
2424 participants_to_update,
2425 } = db
2426 .rename_channel(channel_id, session.user_id, &request.name)
2427 .await?;
2428
2429 response.send(proto::RenameChannelResponse {
2430 channel: Some(channel.to_proto()),
2431 })?;
2432
2433 let connection_pool = session.connection_pool().await;
2434 for (user_id, channel) in participants_to_update {
2435 for connection_id in connection_pool.user_connection_ids(user_id) {
2436 let update = proto::UpdateChannels {
2437 channels: vec![channel.to_proto()],
2438 ..Default::default()
2439 };
2440
2441 session.peer.send(connection_id, update.clone())?;
2442 }
2443 }
2444
2445 Ok(())
2446}
2447
2448async fn move_channel(
2449 request: proto::MoveChannel,
2450 response: Response<proto::MoveChannel>,
2451 session: Session,
2452) -> Result<()> {
2453 let channel_id = ChannelId::from_proto(request.channel_id);
2454 let to = request.to.map(ChannelId::from_proto);
2455
2456 let result = session
2457 .db()
2458 .await
2459 .move_channel(channel_id, to, session.user_id)
2460 .await?;
2461
2462 notify_channel_moved(result, session).await?;
2463
2464 response.send(Ack {})?;
2465 Ok(())
2466}
2467
2468async fn notify_channel_moved(result: Option<MoveChannelResult>, session: Session) -> Result<()> {
2469 let Some(MoveChannelResult {
2470 participants_to_remove,
2471 participants_to_update,
2472 moved_channels,
2473 }) = result
2474 else {
2475 return Ok(());
2476 };
2477 let moved_channels: Vec<u64> = moved_channels.iter().map(|id| id.to_proto()).collect();
2478
2479 let connection_pool = session.connection_pool().await;
2480 for (user_id, channels) in participants_to_update {
2481 let mut update = build_channels_update(channels, vec![]);
2482 update.delete_channels = moved_channels.clone();
2483 for connection_id in connection_pool.user_connection_ids(user_id) {
2484 session.peer.send(connection_id, update.clone())?;
2485 }
2486 }
2487
2488 for user_id in participants_to_remove {
2489 let update = proto::UpdateChannels {
2490 delete_channels: moved_channels.clone(),
2491 ..Default::default()
2492 };
2493 for connection_id in connection_pool.user_connection_ids(user_id) {
2494 session.peer.send(connection_id, update.clone())?;
2495 }
2496 }
2497 Ok(())
2498}
2499
2500async fn get_channel_members(
2501 request: proto::GetChannelMembers,
2502 response: Response<proto::GetChannelMembers>,
2503 session: Session,
2504) -> Result<()> {
2505 let db = session.db().await;
2506 let channel_id = ChannelId::from_proto(request.channel_id);
2507 let members = db
2508 .get_channel_participant_details(channel_id, session.user_id)
2509 .await?;
2510 response.send(proto::GetChannelMembersResponse { members })?;
2511 Ok(())
2512}
2513
2514async fn respond_to_channel_invite(
2515 request: proto::RespondToChannelInvite,
2516 response: Response<proto::RespondToChannelInvite>,
2517 session: Session,
2518) -> Result<()> {
2519 let db = session.db().await;
2520 let channel_id = ChannelId::from_proto(request.channel_id);
2521 let RespondToChannelInvite {
2522 membership_update,
2523 notifications,
2524 } = db
2525 .respond_to_channel_invite(channel_id, session.user_id, request.accept)
2526 .await?;
2527
2528 let connection_pool = session.connection_pool().await;
2529 if let Some(membership_update) = membership_update {
2530 notify_membership_updated(
2531 &connection_pool,
2532 membership_update,
2533 session.user_id,
2534 &session.peer,
2535 );
2536 } else {
2537 let update = proto::UpdateChannels {
2538 remove_channel_invitations: vec![channel_id.to_proto()],
2539 ..Default::default()
2540 };
2541
2542 for connection_id in connection_pool.user_connection_ids(session.user_id) {
2543 session.peer.send(connection_id, update.clone())?;
2544 }
2545 };
2546
2547 send_notifications(&*connection_pool, &session.peer, notifications);
2548
2549 response.send(proto::Ack {})?;
2550
2551 Ok(())
2552}
2553
2554async fn join_channel(
2555 request: proto::JoinChannel,
2556 response: Response<proto::JoinChannel>,
2557 session: Session,
2558) -> Result<()> {
2559 let channel_id = ChannelId::from_proto(request.channel_id);
2560 join_channel_internal(channel_id, Box::new(response), session).await
2561}
2562
2563trait JoinChannelInternalResponse {
2564 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
2565}
2566impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
2567 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
2568 Response::<proto::JoinChannel>::send(self, result)
2569 }
2570}
2571impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
2572 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
2573 Response::<proto::JoinRoom>::send(self, result)
2574 }
2575}
2576
2577async fn join_channel_internal(
2578 channel_id: ChannelId,
2579 response: Box<impl JoinChannelInternalResponse>,
2580 session: Session,
2581) -> Result<()> {
2582 let joined_room = {
2583 leave_room_for_session(&session).await?;
2584 let db = session.db().await;
2585
2586 let (joined_room, membership_updated, role) = db
2587 .join_channel(
2588 channel_id,
2589 session.user_id,
2590 session.connection_id,
2591 session.zed_environment.as_ref(),
2592 )
2593 .await?;
2594
2595 let live_kit_connection_info = session.live_kit_client.as_ref().and_then(|live_kit| {
2596 let (can_publish, token) = if role == ChannelRole::Guest {
2597 (
2598 false,
2599 live_kit
2600 .guest_token(
2601 &joined_room.room.live_kit_room,
2602 &session.user_id.to_string(),
2603 )
2604 .trace_err()?,
2605 )
2606 } else {
2607 (
2608 true,
2609 live_kit
2610 .room_token(
2611 &joined_room.room.live_kit_room,
2612 &session.user_id.to_string(),
2613 )
2614 .trace_err()?,
2615 )
2616 };
2617
2618 Some(LiveKitConnectionInfo {
2619 server_url: live_kit.url().into(),
2620 token,
2621 can_publish,
2622 })
2623 });
2624
2625 response.send(proto::JoinRoomResponse {
2626 room: Some(joined_room.room.clone()),
2627 channel_id: joined_room.channel_id.map(|id| id.to_proto()),
2628 live_kit_connection_info,
2629 })?;
2630
2631 let connection_pool = session.connection_pool().await;
2632 if let Some(membership_updated) = membership_updated {
2633 notify_membership_updated(
2634 &connection_pool,
2635 membership_updated,
2636 session.user_id,
2637 &session.peer,
2638 );
2639 }
2640
2641 room_updated(&joined_room.room, &session.peer);
2642
2643 joined_room
2644 };
2645
2646 channel_updated(
2647 channel_id,
2648 &joined_room.room,
2649 &joined_room.channel_members,
2650 &session.peer,
2651 &*session.connection_pool().await,
2652 );
2653
2654 update_user_contacts(session.user_id, &session).await?;
2655 Ok(())
2656}
2657
2658async fn join_channel_buffer(
2659 request: proto::JoinChannelBuffer,
2660 response: Response<proto::JoinChannelBuffer>,
2661 session: Session,
2662) -> Result<()> {
2663 let db = session.db().await;
2664 let channel_id = ChannelId::from_proto(request.channel_id);
2665
2666 let open_response = db
2667 .join_channel_buffer(channel_id, session.user_id, session.connection_id)
2668 .await?;
2669
2670 let collaborators = open_response.collaborators.clone();
2671 response.send(open_response)?;
2672
2673 let update = UpdateChannelBufferCollaborators {
2674 channel_id: channel_id.to_proto(),
2675 collaborators: collaborators.clone(),
2676 };
2677 channel_buffer_updated(
2678 session.connection_id,
2679 collaborators
2680 .iter()
2681 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
2682 &update,
2683 &session.peer,
2684 );
2685
2686 Ok(())
2687}
2688
2689async fn update_channel_buffer(
2690 request: proto::UpdateChannelBuffer,
2691 session: Session,
2692) -> Result<()> {
2693 let db = session.db().await;
2694 let channel_id = ChannelId::from_proto(request.channel_id);
2695
2696 let (collaborators, non_collaborators, epoch, version) = db
2697 .update_channel_buffer(channel_id, session.user_id, &request.operations)
2698 .await?;
2699
2700 channel_buffer_updated(
2701 session.connection_id,
2702 collaborators,
2703 &proto::UpdateChannelBuffer {
2704 channel_id: channel_id.to_proto(),
2705 operations: request.operations,
2706 },
2707 &session.peer,
2708 );
2709
2710 let pool = &*session.connection_pool().await;
2711
2712 broadcast(
2713 None,
2714 non_collaborators
2715 .iter()
2716 .flat_map(|user_id| pool.user_connection_ids(*user_id)),
2717 |peer_id| {
2718 session.peer.send(
2719 peer_id.into(),
2720 proto::UpdateChannels {
2721 unseen_channel_buffer_changes: vec![proto::UnseenChannelBufferChange {
2722 channel_id: channel_id.to_proto(),
2723 epoch: epoch as u64,
2724 version: version.clone(),
2725 }],
2726 ..Default::default()
2727 },
2728 )
2729 },
2730 );
2731
2732 Ok(())
2733}
2734
2735async fn rejoin_channel_buffers(
2736 request: proto::RejoinChannelBuffers,
2737 response: Response<proto::RejoinChannelBuffers>,
2738 session: Session,
2739) -> Result<()> {
2740 let db = session.db().await;
2741 let buffers = db
2742 .rejoin_channel_buffers(&request.buffers, session.user_id, session.connection_id)
2743 .await?;
2744
2745 for rejoined_buffer in &buffers {
2746 let collaborators_to_notify = rejoined_buffer
2747 .buffer
2748 .collaborators
2749 .iter()
2750 .filter_map(|c| Some(c.peer_id?.into()));
2751 channel_buffer_updated(
2752 session.connection_id,
2753 collaborators_to_notify,
2754 &proto::UpdateChannelBufferCollaborators {
2755 channel_id: rejoined_buffer.buffer.channel_id,
2756 collaborators: rejoined_buffer.buffer.collaborators.clone(),
2757 },
2758 &session.peer,
2759 );
2760 }
2761
2762 response.send(proto::RejoinChannelBuffersResponse {
2763 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
2764 })?;
2765
2766 Ok(())
2767}
2768
2769async fn leave_channel_buffer(
2770 request: proto::LeaveChannelBuffer,
2771 response: Response<proto::LeaveChannelBuffer>,
2772 session: Session,
2773) -> Result<()> {
2774 let db = session.db().await;
2775 let channel_id = ChannelId::from_proto(request.channel_id);
2776
2777 let left_buffer = db
2778 .leave_channel_buffer(channel_id, session.connection_id)
2779 .await?;
2780
2781 response.send(Ack {})?;
2782
2783 channel_buffer_updated(
2784 session.connection_id,
2785 left_buffer.connections,
2786 &proto::UpdateChannelBufferCollaborators {
2787 channel_id: channel_id.to_proto(),
2788 collaborators: left_buffer.collaborators,
2789 },
2790 &session.peer,
2791 );
2792
2793 Ok(())
2794}
2795
2796fn channel_buffer_updated<T: EnvelopedMessage>(
2797 sender_id: ConnectionId,
2798 collaborators: impl IntoIterator<Item = ConnectionId>,
2799 message: &T,
2800 peer: &Peer,
2801) {
2802 broadcast(Some(sender_id), collaborators.into_iter(), |peer_id| {
2803 peer.send(peer_id.into(), message.clone())
2804 });
2805}
2806
2807fn send_notifications(
2808 connection_pool: &ConnectionPool,
2809 peer: &Peer,
2810 notifications: db::NotificationBatch,
2811) {
2812 for (user_id, notification) in notifications {
2813 for connection_id in connection_pool.user_connection_ids(user_id) {
2814 if let Err(error) = peer.send(
2815 connection_id,
2816 proto::AddNotification {
2817 notification: Some(notification.clone()),
2818 },
2819 ) {
2820 tracing::error!(
2821 "failed to send notification to {:?} {}",
2822 connection_id,
2823 error
2824 );
2825 }
2826 }
2827 }
2828}
2829
2830async fn send_channel_message(
2831 request: proto::SendChannelMessage,
2832 response: Response<proto::SendChannelMessage>,
2833 session: Session,
2834) -> Result<()> {
2835 // Validate the message body.
2836 let body = request.body.trim().to_string();
2837 if body.len() > MAX_MESSAGE_LEN {
2838 return Err(anyhow!("message is too long"))?;
2839 }
2840 if body.is_empty() {
2841 return Err(anyhow!("message can't be blank"))?;
2842 }
2843
2844 // TODO: adjust mentions if body is trimmed
2845
2846 let timestamp = OffsetDateTime::now_utc();
2847 let nonce = request
2848 .nonce
2849 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
2850
2851 let channel_id = ChannelId::from_proto(request.channel_id);
2852 let CreatedChannelMessage {
2853 message_id,
2854 participant_connection_ids,
2855 channel_members,
2856 notifications,
2857 } = session
2858 .db()
2859 .await
2860 .create_channel_message(
2861 channel_id,
2862 session.user_id,
2863 &body,
2864 &request.mentions,
2865 timestamp,
2866 nonce.clone().into(),
2867 )
2868 .await?;
2869 let message = proto::ChannelMessage {
2870 sender_id: session.user_id.to_proto(),
2871 id: message_id.to_proto(),
2872 body,
2873 mentions: request.mentions,
2874 timestamp: timestamp.unix_timestamp() as u64,
2875 nonce: Some(nonce),
2876 };
2877 broadcast(
2878 Some(session.connection_id),
2879 participant_connection_ids,
2880 |connection| {
2881 session.peer.send(
2882 connection,
2883 proto::ChannelMessageSent {
2884 channel_id: channel_id.to_proto(),
2885 message: Some(message.clone()),
2886 },
2887 )
2888 },
2889 );
2890 response.send(proto::SendChannelMessageResponse {
2891 message: Some(message),
2892 })?;
2893
2894 let pool = &*session.connection_pool().await;
2895 broadcast(
2896 None,
2897 channel_members
2898 .iter()
2899 .flat_map(|user_id| pool.user_connection_ids(*user_id)),
2900 |peer_id| {
2901 session.peer.send(
2902 peer_id.into(),
2903 proto::UpdateChannels {
2904 unseen_channel_messages: vec![proto::UnseenChannelMessage {
2905 channel_id: channel_id.to_proto(),
2906 message_id: message_id.to_proto(),
2907 }],
2908 ..Default::default()
2909 },
2910 )
2911 },
2912 );
2913 send_notifications(pool, &session.peer, notifications);
2914
2915 Ok(())
2916}
2917
2918async fn remove_channel_message(
2919 request: proto::RemoveChannelMessage,
2920 response: Response<proto::RemoveChannelMessage>,
2921 session: Session,
2922) -> Result<()> {
2923 let channel_id = ChannelId::from_proto(request.channel_id);
2924 let message_id = MessageId::from_proto(request.message_id);
2925 let connection_ids = session
2926 .db()
2927 .await
2928 .remove_channel_message(channel_id, message_id, session.user_id)
2929 .await?;
2930 broadcast(Some(session.connection_id), connection_ids, |connection| {
2931 session.peer.send(connection, request.clone())
2932 });
2933 response.send(proto::Ack {})?;
2934 Ok(())
2935}
2936
2937async fn acknowledge_channel_message(
2938 request: proto::AckChannelMessage,
2939 session: Session,
2940) -> Result<()> {
2941 let channel_id = ChannelId::from_proto(request.channel_id);
2942 let message_id = MessageId::from_proto(request.message_id);
2943 let notifications = session
2944 .db()
2945 .await
2946 .observe_channel_message(channel_id, session.user_id, message_id)
2947 .await?;
2948 send_notifications(
2949 &*session.connection_pool().await,
2950 &session.peer,
2951 notifications,
2952 );
2953 Ok(())
2954}
2955
2956async fn acknowledge_buffer_version(
2957 request: proto::AckBufferOperation,
2958 session: Session,
2959) -> Result<()> {
2960 let buffer_id = BufferId::from_proto(request.buffer_id);
2961 session
2962 .db()
2963 .await
2964 .observe_buffer_version(
2965 buffer_id,
2966 session.user_id,
2967 request.epoch as i32,
2968 &request.version,
2969 )
2970 .await?;
2971 Ok(())
2972}
2973
2974async fn join_channel_chat(
2975 request: proto::JoinChannelChat,
2976 response: Response<proto::JoinChannelChat>,
2977 session: Session,
2978) -> Result<()> {
2979 let channel_id = ChannelId::from_proto(request.channel_id);
2980
2981 let db = session.db().await;
2982 db.join_channel_chat(channel_id, session.connection_id, session.user_id)
2983 .await?;
2984 let messages = db
2985 .get_channel_messages(channel_id, session.user_id, MESSAGE_COUNT_PER_PAGE, None)
2986 .await?;
2987 response.send(proto::JoinChannelChatResponse {
2988 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
2989 messages,
2990 })?;
2991 Ok(())
2992}
2993
2994async fn leave_channel_chat(request: proto::LeaveChannelChat, session: Session) -> Result<()> {
2995 let channel_id = ChannelId::from_proto(request.channel_id);
2996 session
2997 .db()
2998 .await
2999 .leave_channel_chat(channel_id, session.connection_id, session.user_id)
3000 .await?;
3001 Ok(())
3002}
3003
3004async fn get_channel_messages(
3005 request: proto::GetChannelMessages,
3006 response: Response<proto::GetChannelMessages>,
3007 session: Session,
3008) -> Result<()> {
3009 let channel_id = ChannelId::from_proto(request.channel_id);
3010 let messages = session
3011 .db()
3012 .await
3013 .get_channel_messages(
3014 channel_id,
3015 session.user_id,
3016 MESSAGE_COUNT_PER_PAGE,
3017 Some(MessageId::from_proto(request.before_message_id)),
3018 )
3019 .await?;
3020 response.send(proto::GetChannelMessagesResponse {
3021 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3022 messages,
3023 })?;
3024 Ok(())
3025}
3026
3027async fn get_channel_messages_by_id(
3028 request: proto::GetChannelMessagesById,
3029 response: Response<proto::GetChannelMessagesById>,
3030 session: Session,
3031) -> Result<()> {
3032 let message_ids = request
3033 .message_ids
3034 .iter()
3035 .map(|id| MessageId::from_proto(*id))
3036 .collect::<Vec<_>>();
3037 let messages = session
3038 .db()
3039 .await
3040 .get_channel_messages_by_id(session.user_id, &message_ids)
3041 .await?;
3042 response.send(proto::GetChannelMessagesResponse {
3043 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3044 messages,
3045 })?;
3046 Ok(())
3047}
3048
3049async fn get_notifications(
3050 request: proto::GetNotifications,
3051 response: Response<proto::GetNotifications>,
3052 session: Session,
3053) -> Result<()> {
3054 let notifications = session
3055 .db()
3056 .await
3057 .get_notifications(
3058 session.user_id,
3059 NOTIFICATION_COUNT_PER_PAGE,
3060 request
3061 .before_id
3062 .map(|id| db::NotificationId::from_proto(id)),
3063 )
3064 .await?;
3065 response.send(proto::GetNotificationsResponse {
3066 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
3067 notifications,
3068 })?;
3069 Ok(())
3070}
3071
3072async fn mark_notification_as_read(
3073 request: proto::MarkNotificationRead,
3074 response: Response<proto::MarkNotificationRead>,
3075 session: Session,
3076) -> Result<()> {
3077 let database = &session.db().await;
3078 let notifications = database
3079 .mark_notification_as_read_by_id(
3080 session.user_id,
3081 NotificationId::from_proto(request.notification_id),
3082 )
3083 .await?;
3084 send_notifications(
3085 &*session.connection_pool().await,
3086 &session.peer,
3087 notifications,
3088 );
3089 response.send(proto::Ack {})?;
3090 Ok(())
3091}
3092
3093async fn get_private_user_info(
3094 _request: proto::GetPrivateUserInfo,
3095 response: Response<proto::GetPrivateUserInfo>,
3096 session: Session,
3097) -> Result<()> {
3098 let db = session.db().await;
3099
3100 let metrics_id = db.get_user_metrics_id(session.user_id).await?;
3101 let user = db
3102 .get_user_by_id(session.user_id)
3103 .await?
3104 .ok_or_else(|| anyhow!("user not found"))?;
3105 let flags = db.get_user_flags(session.user_id).await?;
3106
3107 response.send(proto::GetPrivateUserInfoResponse {
3108 metrics_id,
3109 staff: user.admin,
3110 flags,
3111 })?;
3112 Ok(())
3113}
3114
3115fn to_axum_message(message: TungsteniteMessage) -> AxumMessage {
3116 match message {
3117 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload),
3118 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload),
3119 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload),
3120 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload),
3121 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
3122 code: frame.code.into(),
3123 reason: frame.reason,
3124 })),
3125 }
3126}
3127
3128fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
3129 match message {
3130 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload),
3131 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload),
3132 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload),
3133 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload),
3134 AxumMessage::Close(frame) => {
3135 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
3136 code: frame.code.into(),
3137 reason: frame.reason,
3138 }))
3139 }
3140 }
3141}
3142
3143fn notify_membership_updated(
3144 connection_pool: &ConnectionPool,
3145 result: MembershipUpdated,
3146 user_id: UserId,
3147 peer: &Peer,
3148) {
3149 let mut update = build_channels_update(result.new_channels, vec![]);
3150 update.delete_channels = result
3151 .removed_channels
3152 .into_iter()
3153 .map(|id| id.to_proto())
3154 .collect();
3155 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
3156
3157 for connection_id in connection_pool.user_connection_ids(user_id) {
3158 peer.send(connection_id, update.clone()).trace_err();
3159 }
3160}
3161
3162fn build_channels_update(
3163 channels: ChannelsForUser,
3164 channel_invites: Vec<db::Channel>,
3165) -> proto::UpdateChannels {
3166 let mut update = proto::UpdateChannels::default();
3167
3168 for channel in channels.channels {
3169 update.channels.push(channel.to_proto());
3170 }
3171
3172 update.unseen_channel_buffer_changes = channels.unseen_buffer_changes;
3173 update.unseen_channel_messages = channels.channel_messages;
3174
3175 for (channel_id, participants) in channels.channel_participants {
3176 update
3177 .channel_participants
3178 .push(proto::ChannelParticipants {
3179 channel_id: channel_id.to_proto(),
3180 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
3181 });
3182 }
3183
3184 for channel in channel_invites {
3185 update.channel_invitations.push(channel.to_proto());
3186 }
3187
3188 update
3189}
3190
3191fn build_initial_contacts_update(
3192 contacts: Vec<db::Contact>,
3193 pool: &ConnectionPool,
3194) -> proto::UpdateContacts {
3195 let mut update = proto::UpdateContacts::default();
3196
3197 for contact in contacts {
3198 match contact {
3199 db::Contact::Accepted { user_id, busy } => {
3200 update.contacts.push(contact_for_user(user_id, busy, &pool));
3201 }
3202 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
3203 db::Contact::Incoming { user_id } => {
3204 update
3205 .incoming_requests
3206 .push(proto::IncomingContactRequest {
3207 requester_id: user_id.to_proto(),
3208 })
3209 }
3210 }
3211 }
3212
3213 update
3214}
3215
3216fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
3217 proto::Contact {
3218 user_id: user_id.to_proto(),
3219 online: pool.is_user_online(user_id),
3220 busy,
3221 }
3222}
3223
3224fn room_updated(room: &proto::Room, peer: &Peer) {
3225 broadcast(
3226 None,
3227 room.participants
3228 .iter()
3229 .filter_map(|participant| Some(participant.peer_id?.into())),
3230 |peer_id| {
3231 peer.send(
3232 peer_id.into(),
3233 proto::RoomUpdated {
3234 room: Some(room.clone()),
3235 },
3236 )
3237 },
3238 );
3239}
3240
3241fn channel_updated(
3242 channel_id: ChannelId,
3243 room: &proto::Room,
3244 channel_members: &[UserId],
3245 peer: &Peer,
3246 pool: &ConnectionPool,
3247) {
3248 let participants = room
3249 .participants
3250 .iter()
3251 .map(|p| p.user_id)
3252 .collect::<Vec<_>>();
3253
3254 broadcast(
3255 None,
3256 channel_members
3257 .iter()
3258 .flat_map(|user_id| pool.user_connection_ids(*user_id)),
3259 |peer_id| {
3260 peer.send(
3261 peer_id.into(),
3262 proto::UpdateChannels {
3263 channel_participants: vec![proto::ChannelParticipants {
3264 channel_id: channel_id.to_proto(),
3265 participant_user_ids: participants.clone(),
3266 }],
3267 ..Default::default()
3268 },
3269 )
3270 },
3271 );
3272}
3273
3274async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
3275 let db = session.db().await;
3276
3277 let contacts = db.get_contacts(user_id).await?;
3278 let busy = db.is_user_busy(user_id).await?;
3279
3280 let pool = session.connection_pool().await;
3281 let updated_contact = contact_for_user(user_id, busy, &pool);
3282 for contact in contacts {
3283 if let db::Contact::Accepted {
3284 user_id: contact_user_id,
3285 ..
3286 } = contact
3287 {
3288 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
3289 session
3290 .peer
3291 .send(
3292 contact_conn_id,
3293 proto::UpdateContacts {
3294 contacts: vec![updated_contact.clone()],
3295 remove_contacts: Default::default(),
3296 incoming_requests: Default::default(),
3297 remove_incoming_requests: Default::default(),
3298 outgoing_requests: Default::default(),
3299 remove_outgoing_requests: Default::default(),
3300 },
3301 )
3302 .trace_err();
3303 }
3304 }
3305 }
3306 Ok(())
3307}
3308
3309async fn leave_room_for_session(session: &Session) -> Result<()> {
3310 let mut contacts_to_update = HashSet::default();
3311
3312 let room_id;
3313 let canceled_calls_to_user_ids;
3314 let live_kit_room;
3315 let delete_live_kit_room;
3316 let room;
3317 let channel_members;
3318 let channel_id;
3319
3320 if let Some(mut left_room) = session.db().await.leave_room(session.connection_id).await? {
3321 contacts_to_update.insert(session.user_id);
3322
3323 for project in left_room.left_projects.values() {
3324 project_left(project, session);
3325 }
3326
3327 room_id = RoomId::from_proto(left_room.room.id);
3328 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
3329 live_kit_room = mem::take(&mut left_room.room.live_kit_room);
3330 delete_live_kit_room = left_room.deleted;
3331 room = mem::take(&mut left_room.room);
3332 channel_members = mem::take(&mut left_room.channel_members);
3333 channel_id = left_room.channel_id;
3334
3335 room_updated(&room, &session.peer);
3336 } else {
3337 return Ok(());
3338 }
3339
3340 if let Some(channel_id) = channel_id {
3341 channel_updated(
3342 channel_id,
3343 &room,
3344 &channel_members,
3345 &session.peer,
3346 &*session.connection_pool().await,
3347 );
3348 }
3349
3350 {
3351 let pool = session.connection_pool().await;
3352 for canceled_user_id in canceled_calls_to_user_ids {
3353 for connection_id in pool.user_connection_ids(canceled_user_id) {
3354 session
3355 .peer
3356 .send(
3357 connection_id,
3358 proto::CallCanceled {
3359 room_id: room_id.to_proto(),
3360 },
3361 )
3362 .trace_err();
3363 }
3364 contacts_to_update.insert(canceled_user_id);
3365 }
3366 }
3367
3368 for contact_user_id in contacts_to_update {
3369 update_user_contacts(contact_user_id, &session).await?;
3370 }
3371
3372 if let Some(live_kit) = session.live_kit_client.as_ref() {
3373 live_kit
3374 .remove_participant(live_kit_room.clone(), session.user_id.to_string())
3375 .await
3376 .trace_err();
3377
3378 if delete_live_kit_room {
3379 live_kit.delete_room(live_kit_room).await.trace_err();
3380 }
3381 }
3382
3383 Ok(())
3384}
3385
3386async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
3387 let left_channel_buffers = session
3388 .db()
3389 .await
3390 .leave_channel_buffers(session.connection_id)
3391 .await?;
3392
3393 for left_buffer in left_channel_buffers {
3394 channel_buffer_updated(
3395 session.connection_id,
3396 left_buffer.connections,
3397 &proto::UpdateChannelBufferCollaborators {
3398 channel_id: left_buffer.channel_id.to_proto(),
3399 collaborators: left_buffer.collaborators,
3400 },
3401 &session.peer,
3402 );
3403 }
3404
3405 Ok(())
3406}
3407
3408fn project_left(project: &db::LeftProject, session: &Session) {
3409 for connection_id in &project.connection_ids {
3410 if project.host_user_id == session.user_id {
3411 session
3412 .peer
3413 .send(
3414 *connection_id,
3415 proto::UnshareProject {
3416 project_id: project.id.to_proto(),
3417 },
3418 )
3419 .trace_err();
3420 } else {
3421 session
3422 .peer
3423 .send(
3424 *connection_id,
3425 proto::RemoveProjectCollaborator {
3426 project_id: project.id.to_proto(),
3427 peer_id: Some(session.connection_id.into()),
3428 },
3429 )
3430 .trace_err();
3431 }
3432 }
3433}
3434
3435pub trait ResultExt {
3436 type Ok;
3437
3438 fn trace_err(self) -> Option<Self::Ok>;
3439}
3440
3441impl<T, E> ResultExt for Result<T, E>
3442where
3443 E: std::fmt::Debug,
3444{
3445 type Ok = T;
3446
3447 fn trace_err(self) -> Option<T> {
3448 match self {
3449 Ok(value) => Some(value),
3450 Err(error) => {
3451 tracing::error!("{:?}", error);
3452 None
3453 }
3454 }
3455 }
3456}