1mod connection_pool;
2
3use crate::api::CloudflareIpCountryHeader;
4use crate::llm::LlmTokenClaims;
5use crate::{
6 auth,
7 db::{
8 self, dev_server, BufferId, Capability, Channel, ChannelId, ChannelRole, ChannelsForUser,
9 CreatedChannelMessage, Database, DevServerId, DevServerProjectId, InviteMemberResult,
10 MembershipUpdated, MessageId, NotificationId, PrincipalId, Project, ProjectId,
11 RejoinedProject, RemoveChannelMemberResult, ReplicaId, RespondToChannelInvite, RoomId,
12 ServerId, UpdatedChannelMessage, User, UserId,
13 },
14 executor::Executor,
15 AppState, Config, Error, RateLimit, Result,
16};
17use anyhow::{anyhow, bail, Context as _};
18use async_tungstenite::tungstenite::{
19 protocol::CloseFrame as TungsteniteCloseFrame, Message as TungsteniteMessage,
20};
21use axum::{
22 body::Body,
23 extract::{
24 ws::{CloseFrame as AxumCloseFrame, Message as AxumMessage},
25 ConnectInfo, WebSocketUpgrade,
26 },
27 headers::{Header, HeaderName},
28 http::StatusCode,
29 middleware,
30 response::IntoResponse,
31 routing::get,
32 Extension, Router, TypedHeader,
33};
34use chrono::Utc;
35use collections::{HashMap, HashSet};
36pub use connection_pool::{ConnectionPool, ZedVersion};
37use core::fmt::{self, Debug, Formatter};
38use http_client::HttpClient;
39use open_ai::{OpenAiEmbeddingModel, OPEN_AI_API_URL};
40use reqwest_client::ReqwestClient;
41use sha2::Digest;
42use supermaven_api::{CreateExternalUserRequest, SupermavenAdminApi};
43
44use futures::{
45 channel::oneshot,
46 future::{self, BoxFuture},
47 stream::FuturesUnordered,
48 FutureExt, SinkExt, StreamExt, TryStreamExt,
49};
50use prometheus::{register_int_gauge, IntGauge};
51use rpc::{
52 proto::{
53 self, Ack, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, LiveKitConnectionInfo,
54 RequestMessage, ShareProject, UpdateChannelBufferCollaborators,
55 },
56 Connection, ConnectionId, ErrorCode, ErrorCodeExt, ErrorExt, Peer, Receipt, TypedEnvelope,
57};
58use semantic_version::SemanticVersion;
59use serde::{Serialize, Serializer};
60use std::{
61 any::TypeId,
62 future::Future,
63 marker::PhantomData,
64 mem,
65 net::SocketAddr,
66 ops::{Deref, DerefMut},
67 rc::Rc,
68 sync::{
69 atomic::{AtomicBool, Ordering::SeqCst},
70 Arc, OnceLock,
71 },
72 time::{Duration, Instant},
73};
74use time::OffsetDateTime;
75use tokio::sync::{watch, MutexGuard, Semaphore};
76use tower::ServiceBuilder;
77use tracing::{
78 field::{self},
79 info_span, instrument, Instrument,
80};
81
82pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
83
84// kubernetes gives terminated pods 10s to shutdown gracefully. After they're gone, we can clean up old resources.
85pub const CLEANUP_TIMEOUT: Duration = Duration::from_secs(15);
86
87const MESSAGE_COUNT_PER_PAGE: usize = 100;
88const MAX_MESSAGE_LEN: usize = 1024;
89const NOTIFICATION_COUNT_PER_PAGE: usize = 50;
90
91type MessageHandler =
92 Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session) -> BoxFuture<'static, ()>>;
93
94struct Response<R> {
95 peer: Arc<Peer>,
96 receipt: Receipt<R>,
97 responded: Arc<AtomicBool>,
98}
99
100impl<R: RequestMessage> Response<R> {
101 fn send(self, payload: R::Response) -> Result<()> {
102 self.responded.store(true, SeqCst);
103 self.peer.respond(self.receipt, payload)?;
104 Ok(())
105 }
106}
107
108#[derive(Clone, Debug)]
109pub enum Principal {
110 User(User),
111 Impersonated { user: User, admin: User },
112 DevServer(dev_server::Model),
113}
114
115impl Principal {
116 fn update_span(&self, span: &tracing::Span) {
117 match &self {
118 Principal::User(user) => {
119 span.record("user_id", user.id.0);
120 span.record("login", &user.github_login);
121 }
122 Principal::Impersonated { user, admin } => {
123 span.record("user_id", user.id.0);
124 span.record("login", &user.github_login);
125 span.record("impersonator", &admin.github_login);
126 }
127 Principal::DevServer(dev_server) => {
128 span.record("dev_server_id", dev_server.id.0);
129 }
130 }
131 }
132}
133
134#[derive(Clone)]
135struct Session {
136 principal: Principal,
137 connection_id: ConnectionId,
138 db: Arc<tokio::sync::Mutex<DbHandle>>,
139 peer: Arc<Peer>,
140 connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
141 app_state: Arc<AppState>,
142 supermaven_client: Option<Arc<SupermavenAdminApi>>,
143 http_client: Arc<dyn HttpClient>,
144 /// The GeoIP country code for the user.
145 #[allow(unused)]
146 geoip_country_code: Option<String>,
147 _executor: Executor,
148}
149
150impl Session {
151 async fn db(&self) -> tokio::sync::MutexGuard<DbHandle> {
152 #[cfg(test)]
153 tokio::task::yield_now().await;
154 let guard = self.db.lock().await;
155 #[cfg(test)]
156 tokio::task::yield_now().await;
157 guard
158 }
159
160 async fn connection_pool(&self) -> ConnectionPoolGuard<'_> {
161 #[cfg(test)]
162 tokio::task::yield_now().await;
163 let guard = self.connection_pool.lock();
164 ConnectionPoolGuard {
165 guard,
166 _not_send: PhantomData,
167 }
168 }
169
170 fn for_user(self) -> Option<UserSession> {
171 UserSession::new(self)
172 }
173
174 fn for_dev_server(self) -> Option<DevServerSession> {
175 DevServerSession::new(self)
176 }
177
178 fn user_id(&self) -> Option<UserId> {
179 match &self.principal {
180 Principal::User(user) => Some(user.id),
181 Principal::Impersonated { user, .. } => Some(user.id),
182 Principal::DevServer(_) => None,
183 }
184 }
185
186 fn is_staff(&self) -> bool {
187 match &self.principal {
188 Principal::User(user) => user.admin,
189 Principal::Impersonated { .. } => true,
190 Principal::DevServer(_) => false,
191 }
192 }
193
194 pub async fn has_llm_subscription(
195 &self,
196 db: &MutexGuard<'_, DbHandle>,
197 ) -> anyhow::Result<bool> {
198 if self.is_staff() {
199 return Ok(true);
200 }
201
202 let Some(user_id) = self.user_id() else {
203 return Ok(false);
204 };
205
206 Ok(db.has_active_billing_subscription(user_id).await?)
207 }
208
209 pub async fn current_plan(
210 &self,
211 _db: &MutexGuard<'_, DbHandle>,
212 ) -> anyhow::Result<proto::Plan> {
213 if self.is_staff() {
214 Ok(proto::Plan::ZedPro)
215 } else {
216 Ok(proto::Plan::Free)
217 }
218 }
219
220 fn dev_server_id(&self) -> Option<DevServerId> {
221 match &self.principal {
222 Principal::User(_) | Principal::Impersonated { .. } => None,
223 Principal::DevServer(dev_server) => Some(dev_server.id),
224 }
225 }
226
227 fn principal_id(&self) -> PrincipalId {
228 match &self.principal {
229 Principal::User(user) => PrincipalId::UserId(user.id),
230 Principal::Impersonated { user, .. } => PrincipalId::UserId(user.id),
231 Principal::DevServer(dev_server) => PrincipalId::DevServerId(dev_server.id),
232 }
233 }
234}
235
236impl Debug for Session {
237 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
238 let mut result = f.debug_struct("Session");
239 match &self.principal {
240 Principal::User(user) => {
241 result.field("user", &user.github_login);
242 }
243 Principal::Impersonated { user, admin } => {
244 result.field("user", &user.github_login);
245 result.field("impersonator", &admin.github_login);
246 }
247 Principal::DevServer(dev_server) => {
248 result.field("dev_server", &dev_server.id);
249 }
250 }
251 result.field("connection_id", &self.connection_id).finish()
252 }
253}
254
255struct UserSession(Session);
256
257impl UserSession {
258 pub fn new(s: Session) -> Option<Self> {
259 s.user_id().map(|_| UserSession(s))
260 }
261 pub fn user_id(&self) -> UserId {
262 self.0.user_id().unwrap()
263 }
264
265 pub fn email(&self) -> Option<String> {
266 match &self.0.principal {
267 Principal::User(user) => user.email_address.clone(),
268 Principal::Impersonated { user, .. } => user.email_address.clone(),
269 Principal::DevServer(..) => None,
270 }
271 }
272}
273
274impl Deref for UserSession {
275 type Target = Session;
276
277 fn deref(&self) -> &Self::Target {
278 &self.0
279 }
280}
281impl DerefMut for UserSession {
282 fn deref_mut(&mut self) -> &mut Self::Target {
283 &mut self.0
284 }
285}
286
287struct DevServerSession(Session);
288
289impl DevServerSession {
290 pub fn new(s: Session) -> Option<Self> {
291 s.dev_server_id().map(|_| DevServerSession(s))
292 }
293 pub fn dev_server_id(&self) -> DevServerId {
294 self.0.dev_server_id().unwrap()
295 }
296
297 fn dev_server(&self) -> &dev_server::Model {
298 match &self.0.principal {
299 Principal::DevServer(dev_server) => dev_server,
300 _ => unreachable!(),
301 }
302 }
303}
304
305impl Deref for DevServerSession {
306 type Target = Session;
307
308 fn deref(&self) -> &Self::Target {
309 &self.0
310 }
311}
312impl DerefMut for DevServerSession {
313 fn deref_mut(&mut self) -> &mut Self::Target {
314 &mut self.0
315 }
316}
317
318fn user_handler<M: RequestMessage, Fut>(
319 handler: impl 'static + Send + Sync + Fn(M, Response<M>, UserSession) -> Fut,
320) -> impl 'static + Send + Sync + Fn(M, Response<M>, Session) -> BoxFuture<'static, Result<()>>
321where
322 Fut: Send + Future<Output = Result<()>>,
323{
324 let handler = Arc::new(handler);
325 move |message, response, session| {
326 let handler = handler.clone();
327 Box::pin(async move {
328 if let Some(user_session) = session.for_user() {
329 Ok(handler(message, response, user_session).await?)
330 } else {
331 Err(Error::Internal(anyhow!(
332 "must be a user to call {}",
333 M::NAME
334 )))
335 }
336 })
337 }
338}
339
340fn dev_server_handler<M: RequestMessage, Fut>(
341 handler: impl 'static + Send + Sync + Fn(M, Response<M>, DevServerSession) -> Fut,
342) -> impl 'static + Send + Sync + Fn(M, Response<M>, Session) -> BoxFuture<'static, Result<()>>
343where
344 Fut: Send + Future<Output = Result<()>>,
345{
346 let handler = Arc::new(handler);
347 move |message, response, session| {
348 let handler = handler.clone();
349 Box::pin(async move {
350 if let Some(dev_server_session) = session.for_dev_server() {
351 Ok(handler(message, response, dev_server_session).await?)
352 } else {
353 Err(Error::Internal(anyhow!(
354 "must be a dev server to call {}",
355 M::NAME
356 )))
357 }
358 })
359 }
360}
361
362fn user_message_handler<M: EnvelopedMessage, InnertRetFut>(
363 handler: impl 'static + Send + Sync + Fn(M, UserSession) -> InnertRetFut,
364) -> impl 'static + Send + Sync + Fn(M, Session) -> BoxFuture<'static, Result<()>>
365where
366 InnertRetFut: Send + Future<Output = Result<()>>,
367{
368 let handler = Arc::new(handler);
369 move |message, session| {
370 let handler = handler.clone();
371 Box::pin(async move {
372 if let Some(user_session) = session.for_user() {
373 Ok(handler(message, user_session).await?)
374 } else {
375 Err(Error::Internal(anyhow!(
376 "must be a user to call {}",
377 M::NAME
378 )))
379 }
380 })
381 }
382}
383
384struct DbHandle(Arc<Database>);
385
386impl Deref for DbHandle {
387 type Target = Database;
388
389 fn deref(&self) -> &Self::Target {
390 self.0.as_ref()
391 }
392}
393
394pub struct Server {
395 id: parking_lot::Mutex<ServerId>,
396 peer: Arc<Peer>,
397 pub(crate) connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
398 app_state: Arc<AppState>,
399 handlers: HashMap<TypeId, MessageHandler>,
400 teardown: watch::Sender<bool>,
401}
402
403pub(crate) struct ConnectionPoolGuard<'a> {
404 guard: parking_lot::MutexGuard<'a, ConnectionPool>,
405 _not_send: PhantomData<Rc<()>>,
406}
407
408#[derive(Serialize)]
409pub struct ServerSnapshot<'a> {
410 peer: &'a Peer,
411 #[serde(serialize_with = "serialize_deref")]
412 connection_pool: ConnectionPoolGuard<'a>,
413}
414
415pub fn serialize_deref<S, T, U>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
416where
417 S: Serializer,
418 T: Deref<Target = U>,
419 U: Serialize,
420{
421 Serialize::serialize(value.deref(), serializer)
422}
423
424impl Server {
425 pub fn new(id: ServerId, app_state: Arc<AppState>) -> Arc<Self> {
426 let mut server = Self {
427 id: parking_lot::Mutex::new(id),
428 peer: Peer::new(id.0 as u32),
429 app_state: app_state.clone(),
430 connection_pool: Default::default(),
431 handlers: Default::default(),
432 teardown: watch::channel(false).0,
433 };
434
435 server
436 .add_request_handler(ping)
437 .add_request_handler(user_handler(create_room))
438 .add_request_handler(user_handler(join_room))
439 .add_request_handler(user_handler(rejoin_room))
440 .add_request_handler(user_handler(leave_room))
441 .add_request_handler(user_handler(set_room_participant_role))
442 .add_request_handler(user_handler(call))
443 .add_request_handler(user_handler(cancel_call))
444 .add_message_handler(user_message_handler(decline_call))
445 .add_request_handler(user_handler(update_participant_location))
446 .add_request_handler(user_handler(share_project))
447 .add_message_handler(unshare_project)
448 .add_request_handler(user_handler(join_project))
449 .add_request_handler(user_handler(join_hosted_project))
450 .add_request_handler(user_handler(rejoin_dev_server_projects))
451 .add_request_handler(user_handler(create_dev_server_project))
452 .add_request_handler(user_handler(update_dev_server_project))
453 .add_request_handler(user_handler(delete_dev_server_project))
454 .add_request_handler(user_handler(create_dev_server))
455 .add_request_handler(user_handler(regenerate_dev_server_token))
456 .add_request_handler(user_handler(rename_dev_server))
457 .add_request_handler(user_handler(delete_dev_server))
458 .add_request_handler(user_handler(list_remote_directory))
459 .add_request_handler(dev_server_handler(share_dev_server_project))
460 .add_request_handler(dev_server_handler(shutdown_dev_server))
461 .add_request_handler(dev_server_handler(reconnect_dev_server))
462 .add_message_handler(user_message_handler(leave_project))
463 .add_request_handler(update_project)
464 .add_request_handler(update_worktree)
465 .add_message_handler(start_language_server)
466 .add_message_handler(update_language_server)
467 .add_message_handler(update_diagnostic_summary)
468 .add_message_handler(update_worktree_settings)
469 .add_request_handler(user_handler(
470 forward_project_request_for_owner::<proto::TaskContextForLocation>,
471 ))
472 .add_request_handler(user_handler(
473 forward_read_only_project_request::<proto::GetHover>,
474 ))
475 .add_request_handler(user_handler(
476 forward_read_only_project_request::<proto::GetDefinition>,
477 ))
478 .add_request_handler(user_handler(
479 forward_read_only_project_request::<proto::GetTypeDefinition>,
480 ))
481 .add_request_handler(user_handler(
482 forward_read_only_project_request::<proto::GetReferences>,
483 ))
484 .add_request_handler(user_handler(forward_find_search_candidates_request))
485 .add_request_handler(user_handler(
486 forward_read_only_project_request::<proto::GetDocumentHighlights>,
487 ))
488 .add_request_handler(user_handler(
489 forward_read_only_project_request::<proto::GetProjectSymbols>,
490 ))
491 .add_request_handler(user_handler(
492 forward_read_only_project_request::<proto::OpenBufferForSymbol>,
493 ))
494 .add_request_handler(user_handler(
495 forward_read_only_project_request::<proto::OpenBufferById>,
496 ))
497 .add_request_handler(user_handler(
498 forward_read_only_project_request::<proto::SynchronizeBuffers>,
499 ))
500 .add_request_handler(user_handler(
501 forward_read_only_project_request::<proto::InlayHints>,
502 ))
503 .add_request_handler(user_handler(
504 forward_read_only_project_request::<proto::ResolveInlayHint>,
505 ))
506 .add_request_handler(user_handler(
507 forward_read_only_project_request::<proto::OpenBufferByPath>,
508 ))
509 .add_request_handler(user_handler(
510 forward_mutating_project_request::<proto::GetCompletions>,
511 ))
512 .add_request_handler(user_handler(
513 forward_mutating_project_request::<proto::ApplyCompletionAdditionalEdits>,
514 ))
515 .add_request_handler(user_handler(
516 forward_mutating_project_request::<proto::OpenNewBuffer>,
517 ))
518 .add_request_handler(user_handler(
519 forward_mutating_project_request::<proto::ResolveCompletionDocumentation>,
520 ))
521 .add_request_handler(user_handler(
522 forward_mutating_project_request::<proto::GetCodeActions>,
523 ))
524 .add_request_handler(user_handler(
525 forward_mutating_project_request::<proto::ApplyCodeAction>,
526 ))
527 .add_request_handler(user_handler(
528 forward_mutating_project_request::<proto::PrepareRename>,
529 ))
530 .add_request_handler(user_handler(
531 forward_mutating_project_request::<proto::PerformRename>,
532 ))
533 .add_request_handler(user_handler(
534 forward_mutating_project_request::<proto::ReloadBuffers>,
535 ))
536 .add_request_handler(user_handler(
537 forward_mutating_project_request::<proto::FormatBuffers>,
538 ))
539 .add_request_handler(user_handler(
540 forward_mutating_project_request::<proto::CreateProjectEntry>,
541 ))
542 .add_request_handler(user_handler(
543 forward_mutating_project_request::<proto::RenameProjectEntry>,
544 ))
545 .add_request_handler(user_handler(
546 forward_mutating_project_request::<proto::CopyProjectEntry>,
547 ))
548 .add_request_handler(user_handler(
549 forward_mutating_project_request::<proto::DeleteProjectEntry>,
550 ))
551 .add_request_handler(user_handler(
552 forward_mutating_project_request::<proto::ExpandProjectEntry>,
553 ))
554 .add_request_handler(user_handler(
555 forward_mutating_project_request::<proto::OnTypeFormatting>,
556 ))
557 .add_request_handler(user_handler(
558 forward_mutating_project_request::<proto::SaveBuffer>,
559 ))
560 .add_request_handler(user_handler(
561 forward_mutating_project_request::<proto::BlameBuffer>,
562 ))
563 .add_request_handler(user_handler(
564 forward_mutating_project_request::<proto::MultiLspQuery>,
565 ))
566 .add_request_handler(user_handler(
567 forward_mutating_project_request::<proto::RestartLanguageServers>,
568 ))
569 .add_request_handler(user_handler(
570 forward_mutating_project_request::<proto::LinkedEditingRange>,
571 ))
572 .add_message_handler(create_buffer_for_peer)
573 .add_request_handler(update_buffer)
574 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshInlayHints>)
575 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateBufferFile>)
576 .add_message_handler(broadcast_project_message_from_host::<proto::BufferReloaded>)
577 .add_message_handler(broadcast_project_message_from_host::<proto::BufferSaved>)
578 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateDiffBase>)
579 .add_request_handler(get_users)
580 .add_request_handler(user_handler(fuzzy_search_users))
581 .add_request_handler(user_handler(request_contact))
582 .add_request_handler(user_handler(remove_contact))
583 .add_request_handler(user_handler(respond_to_contact_request))
584 .add_message_handler(subscribe_to_channels)
585 .add_request_handler(user_handler(create_channel))
586 .add_request_handler(user_handler(delete_channel))
587 .add_request_handler(user_handler(invite_channel_member))
588 .add_request_handler(user_handler(remove_channel_member))
589 .add_request_handler(user_handler(set_channel_member_role))
590 .add_request_handler(user_handler(set_channel_visibility))
591 .add_request_handler(user_handler(rename_channel))
592 .add_request_handler(user_handler(join_channel_buffer))
593 .add_request_handler(user_handler(leave_channel_buffer))
594 .add_message_handler(user_message_handler(update_channel_buffer))
595 .add_request_handler(user_handler(rejoin_channel_buffers))
596 .add_request_handler(user_handler(get_channel_members))
597 .add_request_handler(user_handler(respond_to_channel_invite))
598 .add_request_handler(user_handler(join_channel))
599 .add_request_handler(user_handler(join_channel_chat))
600 .add_message_handler(user_message_handler(leave_channel_chat))
601 .add_request_handler(user_handler(send_channel_message))
602 .add_request_handler(user_handler(remove_channel_message))
603 .add_request_handler(user_handler(update_channel_message))
604 .add_request_handler(user_handler(get_channel_messages))
605 .add_request_handler(user_handler(get_channel_messages_by_id))
606 .add_request_handler(user_handler(get_notifications))
607 .add_request_handler(user_handler(mark_notification_as_read))
608 .add_request_handler(user_handler(move_channel))
609 .add_request_handler(user_handler(follow))
610 .add_message_handler(user_message_handler(unfollow))
611 .add_message_handler(user_message_handler(update_followers))
612 .add_request_handler(user_handler(get_private_user_info))
613 .add_request_handler(user_handler(get_llm_api_token))
614 .add_request_handler(user_handler(accept_terms_of_service))
615 .add_message_handler(user_message_handler(acknowledge_channel_message))
616 .add_message_handler(user_message_handler(acknowledge_buffer_version))
617 .add_request_handler(user_handler(get_supermaven_api_key))
618 .add_request_handler(user_handler(
619 forward_mutating_project_request::<proto::OpenContext>,
620 ))
621 .add_request_handler(user_handler(
622 forward_mutating_project_request::<proto::CreateContext>,
623 ))
624 .add_request_handler(user_handler(
625 forward_mutating_project_request::<proto::SynchronizeContexts>,
626 ))
627 .add_message_handler(broadcast_project_message_from_host::<proto::AdvertiseContexts>)
628 .add_message_handler(update_context)
629 .add_request_handler({
630 let app_state = app_state.clone();
631 move |request, response, session| {
632 let app_state = app_state.clone();
633 async move {
634 count_language_model_tokens(request, response, session, &app_state.config)
635 .await
636 }
637 }
638 })
639 .add_request_handler({
640 user_handler(move |request, response, session| {
641 get_cached_embeddings(request, response, session)
642 })
643 })
644 .add_request_handler({
645 let app_state = app_state.clone();
646 user_handler(move |request, response, session| {
647 compute_embeddings(
648 request,
649 response,
650 session,
651 app_state.config.openai_api_key.clone(),
652 )
653 })
654 });
655
656 Arc::new(server)
657 }
658
659 pub async fn start(&self) -> Result<()> {
660 let server_id = *self.id.lock();
661 let app_state = self.app_state.clone();
662 let peer = self.peer.clone();
663 let timeout = self.app_state.executor.sleep(CLEANUP_TIMEOUT);
664 let pool = self.connection_pool.clone();
665 let live_kit_client = self.app_state.live_kit_client.clone();
666
667 let span = info_span!("start server");
668 self.app_state.executor.spawn_detached(
669 async move {
670 tracing::info!("waiting for cleanup timeout");
671 timeout.await;
672 tracing::info!("cleanup timeout expired, retrieving stale rooms");
673 if let Some((room_ids, channel_ids)) = app_state
674 .db
675 .stale_server_resource_ids(&app_state.config.zed_environment, server_id)
676 .await
677 .trace_err()
678 {
679 tracing::info!(stale_room_count = room_ids.len(), "retrieved stale rooms");
680 tracing::info!(
681 stale_channel_buffer_count = channel_ids.len(),
682 "retrieved stale channel buffers"
683 );
684
685 for channel_id in channel_ids {
686 if let Some(refreshed_channel_buffer) = app_state
687 .db
688 .clear_stale_channel_buffer_collaborators(channel_id, server_id)
689 .await
690 .trace_err()
691 {
692 for connection_id in refreshed_channel_buffer.connection_ids {
693 peer.send(
694 connection_id,
695 proto::UpdateChannelBufferCollaborators {
696 channel_id: channel_id.to_proto(),
697 collaborators: refreshed_channel_buffer
698 .collaborators
699 .clone(),
700 },
701 )
702 .trace_err();
703 }
704 }
705 }
706
707 for room_id in room_ids {
708 let mut contacts_to_update = HashSet::default();
709 let mut canceled_calls_to_user_ids = Vec::new();
710 let mut live_kit_room = String::new();
711 let mut delete_live_kit_room = false;
712
713 if let Some(mut refreshed_room) = app_state
714 .db
715 .clear_stale_room_participants(room_id, server_id)
716 .await
717 .trace_err()
718 {
719 tracing::info!(
720 room_id = room_id.0,
721 new_participant_count = refreshed_room.room.participants.len(),
722 "refreshed room"
723 );
724 room_updated(&refreshed_room.room, &peer);
725 if let Some(channel) = refreshed_room.channel.as_ref() {
726 channel_updated(channel, &refreshed_room.room, &peer, &pool.lock());
727 }
728 contacts_to_update
729 .extend(refreshed_room.stale_participant_user_ids.iter().copied());
730 contacts_to_update
731 .extend(refreshed_room.canceled_calls_to_user_ids.iter().copied());
732 canceled_calls_to_user_ids =
733 mem::take(&mut refreshed_room.canceled_calls_to_user_ids);
734 live_kit_room = mem::take(&mut refreshed_room.room.live_kit_room);
735 delete_live_kit_room = refreshed_room.room.participants.is_empty();
736 }
737
738 {
739 let pool = pool.lock();
740 for canceled_user_id in canceled_calls_to_user_ids {
741 for connection_id in pool.user_connection_ids(canceled_user_id) {
742 peer.send(
743 connection_id,
744 proto::CallCanceled {
745 room_id: room_id.to_proto(),
746 },
747 )
748 .trace_err();
749 }
750 }
751 }
752
753 for user_id in contacts_to_update {
754 let busy = app_state.db.is_user_busy(user_id).await.trace_err();
755 let contacts = app_state.db.get_contacts(user_id).await.trace_err();
756 if let Some((busy, contacts)) = busy.zip(contacts) {
757 let pool = pool.lock();
758 let updated_contact = contact_for_user(user_id, busy, &pool);
759 for contact in contacts {
760 if let db::Contact::Accepted {
761 user_id: contact_user_id,
762 ..
763 } = contact
764 {
765 for contact_conn_id in
766 pool.user_connection_ids(contact_user_id)
767 {
768 peer.send(
769 contact_conn_id,
770 proto::UpdateContacts {
771 contacts: vec![updated_contact.clone()],
772 remove_contacts: Default::default(),
773 incoming_requests: Default::default(),
774 remove_incoming_requests: Default::default(),
775 outgoing_requests: Default::default(),
776 remove_outgoing_requests: Default::default(),
777 },
778 )
779 .trace_err();
780 }
781 }
782 }
783 }
784 }
785
786 if let Some(live_kit) = live_kit_client.as_ref() {
787 if delete_live_kit_room {
788 live_kit.delete_room(live_kit_room).await.trace_err();
789 }
790 }
791 }
792 }
793
794 app_state
795 .db
796 .delete_stale_servers(&app_state.config.zed_environment, server_id)
797 .await
798 .trace_err();
799 }
800 .instrument(span),
801 );
802 Ok(())
803 }
804
805 pub fn teardown(&self) {
806 self.peer.teardown();
807 self.connection_pool.lock().reset();
808 let _ = self.teardown.send(true);
809 }
810
811 #[cfg(test)]
812 pub fn reset(&self, id: ServerId) {
813 self.teardown();
814 *self.id.lock() = id;
815 self.peer.reset(id.0 as u32);
816 let _ = self.teardown.send(false);
817 }
818
819 #[cfg(test)]
820 pub fn id(&self) -> ServerId {
821 *self.id.lock()
822 }
823
824 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
825 where
826 F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
827 Fut: 'static + Send + Future<Output = Result<()>>,
828 M: EnvelopedMessage,
829 {
830 let prev_handler = self.handlers.insert(
831 TypeId::of::<M>(),
832 Box::new(move |envelope, session| {
833 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
834 let received_at = envelope.received_at;
835 tracing::info!("message received");
836 let start_time = Instant::now();
837 let future = (handler)(*envelope, session);
838 async move {
839 let result = future.await;
840 let total_duration_ms = received_at.elapsed().as_micros() as f64 / 1000.0;
841 let processing_duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
842 let queue_duration_ms = total_duration_ms - processing_duration_ms;
843 let payload_type = M::NAME;
844
845 match result {
846 Err(error) => {
847 tracing::error!(
848 ?error,
849 total_duration_ms,
850 processing_duration_ms,
851 queue_duration_ms,
852 payload_type,
853 "error handling message"
854 )
855 }
856 Ok(()) => tracing::info!(
857 total_duration_ms,
858 processing_duration_ms,
859 queue_duration_ms,
860 "finished handling message"
861 ),
862 }
863 }
864 .boxed()
865 }),
866 );
867 if prev_handler.is_some() {
868 panic!("registered a handler for the same message twice");
869 }
870 self
871 }
872
873 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
874 where
875 F: 'static + Send + Sync + Fn(M, Session) -> Fut,
876 Fut: 'static + Send + Future<Output = Result<()>>,
877 M: EnvelopedMessage,
878 {
879 self.add_handler(move |envelope, session| handler(envelope.payload, session));
880 self
881 }
882
883 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
884 where
885 F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
886 Fut: Send + Future<Output = Result<()>>,
887 M: RequestMessage,
888 {
889 let handler = Arc::new(handler);
890 self.add_handler(move |envelope, session| {
891 let receipt = envelope.receipt();
892 let handler = handler.clone();
893 async move {
894 let peer = session.peer.clone();
895 let responded = Arc::new(AtomicBool::default());
896 let response = Response {
897 peer: peer.clone(),
898 responded: responded.clone(),
899 receipt,
900 };
901 match (handler)(envelope.payload, response, session).await {
902 Ok(()) => {
903 if responded.load(std::sync::atomic::Ordering::SeqCst) {
904 Ok(())
905 } else {
906 Err(anyhow!("handler did not send a response"))?
907 }
908 }
909 Err(error) => {
910 let proto_err = match &error {
911 Error::Internal(err) => err.to_proto(),
912 _ => ErrorCode::Internal.message(format!("{}", error)).to_proto(),
913 };
914 peer.respond_with_error(receipt, proto_err)?;
915 Err(error)
916 }
917 }
918 }
919 })
920 }
921
922 #[allow(clippy::too_many_arguments)]
923 pub fn handle_connection(
924 self: &Arc<Self>,
925 connection: Connection,
926 address: String,
927 principal: Principal,
928 zed_version: ZedVersion,
929 geoip_country_code: Option<String>,
930 send_connection_id: Option<oneshot::Sender<ConnectionId>>,
931 executor: Executor,
932 ) -> impl Future<Output = ()> {
933 let this = self.clone();
934 let span = info_span!("handle connection", %address,
935 connection_id=field::Empty,
936 user_id=field::Empty,
937 login=field::Empty,
938 impersonator=field::Empty,
939 dev_server_id=field::Empty,
940 geoip_country_code=field::Empty
941 );
942 principal.update_span(&span);
943 if let Some(country_code) = geoip_country_code.as_ref() {
944 span.record("geoip_country_code", country_code);
945 }
946
947 let mut teardown = self.teardown.subscribe();
948 async move {
949 if *teardown.borrow() {
950 tracing::error!("server is tearing down");
951 return
952 }
953 let (connection_id, handle_io, mut incoming_rx) = this
954 .peer
955 .add_connection(connection, {
956 let executor = executor.clone();
957 move |duration| executor.sleep(duration)
958 });
959 tracing::Span::current().record("connection_id", format!("{}", connection_id));
960
961 tracing::info!("connection opened");
962
963 let user_agent = format!("Zed Server/{}", env!("CARGO_PKG_VERSION"));
964 let http_client = match ReqwestClient::user_agent(&user_agent) {
965 Ok(http_client) => Arc::new(http_client),
966 Err(error) => {
967 tracing::error!(?error, "failed to create HTTP client");
968 return;
969 }
970 };
971
972 let supermaven_client = this.app_state.config.supermaven_admin_api_key.clone().map(|supermaven_admin_api_key| Arc::new(SupermavenAdminApi::new(
973 supermaven_admin_api_key.to_string(),
974 http_client.clone(),
975 )));
976
977 let session = Session {
978 principal: principal.clone(),
979 connection_id,
980 db: Arc::new(tokio::sync::Mutex::new(DbHandle(this.app_state.db.clone()))),
981 peer: this.peer.clone(),
982 connection_pool: this.connection_pool.clone(),
983 app_state: this.app_state.clone(),
984 http_client,
985 geoip_country_code,
986 _executor: executor.clone(),
987 supermaven_client,
988 };
989
990 if let Err(error) = this.send_initial_client_update(connection_id, &principal, zed_version, send_connection_id, &session).await {
991 tracing::error!(?error, "failed to send initial client update");
992 return;
993 }
994
995 let handle_io = handle_io.fuse();
996 futures::pin_mut!(handle_io);
997
998 // Handlers for foreground messages are pushed into the following `FuturesUnordered`.
999 // This prevents deadlocks when e.g., client A performs a request to client B and
1000 // client B performs a request to client A. If both clients stop processing further
1001 // messages until their respective request completes, they won't have a chance to
1002 // respond to the other client's request and cause a deadlock.
1003 //
1004 // This arrangement ensures we will attempt to process earlier messages first, but fall
1005 // back to processing messages arrived later in the spirit of making progress.
1006 let mut foreground_message_handlers = FuturesUnordered::new();
1007 let concurrent_handlers = Arc::new(Semaphore::new(256));
1008 loop {
1009 let next_message = async {
1010 let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
1011 let message = incoming_rx.next().await;
1012 (permit, message)
1013 }.fuse();
1014 futures::pin_mut!(next_message);
1015 futures::select_biased! {
1016 _ = teardown.changed().fuse() => return,
1017 result = handle_io => {
1018 if let Err(error) = result {
1019 tracing::error!(?error, "error handling I/O");
1020 }
1021 break;
1022 }
1023 _ = foreground_message_handlers.next() => {}
1024 next_message = next_message => {
1025 let (permit, message) = next_message;
1026 if let Some(message) = message {
1027 let type_name = message.payload_type_name();
1028 // note: we copy all the fields from the parent span so we can query them in the logs.
1029 // (https://github.com/tokio-rs/tracing/issues/2670).
1030 let span = tracing::info_span!("receive message", %connection_id, %address, type_name,
1031 user_id=field::Empty,
1032 login=field::Empty,
1033 impersonator=field::Empty,
1034 dev_server_id=field::Empty
1035 );
1036 principal.update_span(&span);
1037 let span_enter = span.enter();
1038 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
1039 let is_background = message.is_background();
1040 let handle_message = (handler)(message, session.clone());
1041 drop(span_enter);
1042
1043 let handle_message = async move {
1044 handle_message.await;
1045 drop(permit);
1046 }.instrument(span);
1047 if is_background {
1048 executor.spawn_detached(handle_message);
1049 } else {
1050 foreground_message_handlers.push(handle_message);
1051 }
1052 } else {
1053 tracing::error!("no message handler");
1054 }
1055 } else {
1056 tracing::info!("connection closed");
1057 break;
1058 }
1059 }
1060 }
1061 }
1062
1063 drop(foreground_message_handlers);
1064 tracing::info!("signing out");
1065 if let Err(error) = connection_lost(session, teardown, executor).await {
1066 tracing::error!(?error, "error signing out");
1067 }
1068
1069 }.instrument(span)
1070 }
1071
1072 async fn send_initial_client_update(
1073 &self,
1074 connection_id: ConnectionId,
1075 principal: &Principal,
1076 zed_version: ZedVersion,
1077 mut send_connection_id: Option<oneshot::Sender<ConnectionId>>,
1078 session: &Session,
1079 ) -> Result<()> {
1080 self.peer.send(
1081 connection_id,
1082 proto::Hello {
1083 peer_id: Some(connection_id.into()),
1084 },
1085 )?;
1086 tracing::info!("sent hello message");
1087 if let Some(send_connection_id) = send_connection_id.take() {
1088 let _ = send_connection_id.send(connection_id);
1089 }
1090
1091 match principal {
1092 Principal::User(user) | Principal::Impersonated { user, admin: _ } => {
1093 if !user.connected_once {
1094 self.peer.send(connection_id, proto::ShowContacts {})?;
1095 self.app_state
1096 .db
1097 .set_user_connected_once(user.id, true)
1098 .await?;
1099 }
1100
1101 update_user_plan(user.id, session).await?;
1102
1103 let (contacts, dev_server_projects) = future::try_join(
1104 self.app_state.db.get_contacts(user.id),
1105 self.app_state.db.dev_server_projects_update(user.id),
1106 )
1107 .await?;
1108
1109 {
1110 let mut pool = self.connection_pool.lock();
1111 pool.add_connection(connection_id, user.id, user.admin, zed_version);
1112 self.peer.send(
1113 connection_id,
1114 build_initial_contacts_update(contacts, &pool),
1115 )?;
1116 }
1117
1118 if should_auto_subscribe_to_channels(zed_version) {
1119 subscribe_user_to_channels(user.id, session).await?;
1120 }
1121
1122 send_dev_server_projects_update(user.id, dev_server_projects, session).await;
1123
1124 if let Some(incoming_call) =
1125 self.app_state.db.incoming_call_for_user(user.id).await?
1126 {
1127 self.peer.send(connection_id, incoming_call)?;
1128 }
1129
1130 update_user_contacts(user.id, session).await?;
1131 }
1132 Principal::DevServer(dev_server) => {
1133 {
1134 let mut pool = self.connection_pool.lock();
1135 if let Some(stale_connection_id) = pool.dev_server_connection_id(dev_server.id)
1136 {
1137 self.peer.send(
1138 stale_connection_id,
1139 proto::ShutdownDevServer {
1140 reason: Some(
1141 "another dev server connected with the same token".to_string(),
1142 ),
1143 },
1144 )?;
1145 pool.remove_connection(stale_connection_id)?;
1146 };
1147 pool.add_dev_server(connection_id, dev_server.id, zed_version);
1148 }
1149
1150 let projects = self
1151 .app_state
1152 .db
1153 .get_projects_for_dev_server(dev_server.id)
1154 .await?;
1155 self.peer
1156 .send(connection_id, proto::DevServerInstructions { projects })?;
1157
1158 let status = self
1159 .app_state
1160 .db
1161 .dev_server_projects_update(dev_server.user_id)
1162 .await?;
1163 send_dev_server_projects_update(dev_server.user_id, status, session).await;
1164 }
1165 }
1166
1167 Ok(())
1168 }
1169
1170 pub async fn invite_code_redeemed(
1171 self: &Arc<Self>,
1172 inviter_id: UserId,
1173 invitee_id: UserId,
1174 ) -> Result<()> {
1175 if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
1176 if let Some(code) = &user.invite_code {
1177 let pool = self.connection_pool.lock();
1178 let invitee_contact = contact_for_user(invitee_id, false, &pool);
1179 for connection_id in pool.user_connection_ids(inviter_id) {
1180 self.peer.send(
1181 connection_id,
1182 proto::UpdateContacts {
1183 contacts: vec![invitee_contact.clone()],
1184 ..Default::default()
1185 },
1186 )?;
1187 self.peer.send(
1188 connection_id,
1189 proto::UpdateInviteInfo {
1190 url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
1191 count: user.invite_count as u32,
1192 },
1193 )?;
1194 }
1195 }
1196 }
1197 Ok(())
1198 }
1199
1200 pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
1201 if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
1202 if let Some(invite_code) = &user.invite_code {
1203 let pool = self.connection_pool.lock();
1204 for connection_id in pool.user_connection_ids(user_id) {
1205 self.peer.send(
1206 connection_id,
1207 proto::UpdateInviteInfo {
1208 url: format!(
1209 "{}{}",
1210 self.app_state.config.invite_link_prefix, invite_code
1211 ),
1212 count: user.invite_count as u32,
1213 },
1214 )?;
1215 }
1216 }
1217 }
1218 Ok(())
1219 }
1220
1221 pub async fn refresh_llm_tokens_for_user(self: &Arc<Self>, user_id: UserId) {
1222 let pool = self.connection_pool.lock();
1223 for connection_id in pool.user_connection_ids(user_id) {
1224 self.peer
1225 .send(connection_id, proto::RefreshLlmToken {})
1226 .trace_err();
1227 }
1228 }
1229
1230 pub async fn snapshot<'a>(self: &'a Arc<Self>) -> ServerSnapshot<'a> {
1231 ServerSnapshot {
1232 connection_pool: ConnectionPoolGuard {
1233 guard: self.connection_pool.lock(),
1234 _not_send: PhantomData,
1235 },
1236 peer: &self.peer,
1237 }
1238 }
1239}
1240
1241impl<'a> Deref for ConnectionPoolGuard<'a> {
1242 type Target = ConnectionPool;
1243
1244 fn deref(&self) -> &Self::Target {
1245 &self.guard
1246 }
1247}
1248
1249impl<'a> DerefMut for ConnectionPoolGuard<'a> {
1250 fn deref_mut(&mut self) -> &mut Self::Target {
1251 &mut self.guard
1252 }
1253}
1254
1255impl<'a> Drop for ConnectionPoolGuard<'a> {
1256 fn drop(&mut self) {
1257 #[cfg(test)]
1258 self.check_invariants();
1259 }
1260}
1261
1262fn broadcast<F>(
1263 sender_id: Option<ConnectionId>,
1264 receiver_ids: impl IntoIterator<Item = ConnectionId>,
1265 mut f: F,
1266) where
1267 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1268{
1269 for receiver_id in receiver_ids {
1270 if Some(receiver_id) != sender_id {
1271 if let Err(error) = f(receiver_id) {
1272 tracing::error!("failed to send to {:?} {}", receiver_id, error);
1273 }
1274 }
1275 }
1276}
1277
1278pub struct ProtocolVersion(u32);
1279
1280impl Header for ProtocolVersion {
1281 fn name() -> &'static HeaderName {
1282 static ZED_PROTOCOL_VERSION: OnceLock<HeaderName> = OnceLock::new();
1283 ZED_PROTOCOL_VERSION.get_or_init(|| HeaderName::from_static("x-zed-protocol-version"))
1284 }
1285
1286 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1287 where
1288 Self: Sized,
1289 I: Iterator<Item = &'i axum::http::HeaderValue>,
1290 {
1291 let version = values
1292 .next()
1293 .ok_or_else(axum::headers::Error::invalid)?
1294 .to_str()
1295 .map_err(|_| axum::headers::Error::invalid())?
1296 .parse()
1297 .map_err(|_| axum::headers::Error::invalid())?;
1298 Ok(Self(version))
1299 }
1300
1301 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1302 values.extend([self.0.to_string().parse().unwrap()]);
1303 }
1304}
1305
1306pub struct AppVersionHeader(SemanticVersion);
1307impl Header for AppVersionHeader {
1308 fn name() -> &'static HeaderName {
1309 static ZED_APP_VERSION: OnceLock<HeaderName> = OnceLock::new();
1310 ZED_APP_VERSION.get_or_init(|| HeaderName::from_static("x-zed-app-version"))
1311 }
1312
1313 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1314 where
1315 Self: Sized,
1316 I: Iterator<Item = &'i axum::http::HeaderValue>,
1317 {
1318 let version = values
1319 .next()
1320 .ok_or_else(axum::headers::Error::invalid)?
1321 .to_str()
1322 .map_err(|_| axum::headers::Error::invalid())?
1323 .parse()
1324 .map_err(|_| axum::headers::Error::invalid())?;
1325 Ok(Self(version))
1326 }
1327
1328 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1329 values.extend([self.0.to_string().parse().unwrap()]);
1330 }
1331}
1332
1333pub fn routes(server: Arc<Server>) -> Router<(), Body> {
1334 Router::new()
1335 .route("/rpc", get(handle_websocket_request))
1336 .layer(
1337 ServiceBuilder::new()
1338 .layer(Extension(server.app_state.clone()))
1339 .layer(middleware::from_fn(auth::validate_header)),
1340 )
1341 .route("/metrics", get(handle_metrics))
1342 .layer(Extension(server))
1343}
1344
1345pub async fn handle_websocket_request(
1346 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
1347 app_version_header: Option<TypedHeader<AppVersionHeader>>,
1348 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
1349 Extension(server): Extension<Arc<Server>>,
1350 Extension(principal): Extension<Principal>,
1351 country_code_header: Option<TypedHeader<CloudflareIpCountryHeader>>,
1352 ws: WebSocketUpgrade,
1353) -> axum::response::Response {
1354 if protocol_version != rpc::PROTOCOL_VERSION {
1355 return (
1356 StatusCode::UPGRADE_REQUIRED,
1357 "client must be upgraded".to_string(),
1358 )
1359 .into_response();
1360 }
1361
1362 let Some(version) = app_version_header.map(|header| ZedVersion(header.0 .0)) else {
1363 return (
1364 StatusCode::UPGRADE_REQUIRED,
1365 "no version header found".to_string(),
1366 )
1367 .into_response();
1368 };
1369
1370 if !version.can_collaborate() {
1371 return (
1372 StatusCode::UPGRADE_REQUIRED,
1373 "client must be upgraded".to_string(),
1374 )
1375 .into_response();
1376 }
1377
1378 let socket_address = socket_address.to_string();
1379 ws.on_upgrade(move |socket| {
1380 let socket = socket
1381 .map_ok(to_tungstenite_message)
1382 .err_into()
1383 .with(|message| async move { to_axum_message(message) });
1384 let connection = Connection::new(Box::pin(socket));
1385 async move {
1386 server
1387 .handle_connection(
1388 connection,
1389 socket_address,
1390 principal,
1391 version,
1392 country_code_header.map(|header| header.to_string()),
1393 None,
1394 Executor::Production,
1395 )
1396 .await;
1397 }
1398 })
1399}
1400
1401pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> Result<String> {
1402 static CONNECTIONS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1403 let connections_metric = CONNECTIONS_METRIC
1404 .get_or_init(|| register_int_gauge!("connections", "number of connections").unwrap());
1405
1406 let connections = server
1407 .connection_pool
1408 .lock()
1409 .connections()
1410 .filter(|connection| !connection.admin)
1411 .count();
1412 connections_metric.set(connections as _);
1413
1414 static SHARED_PROJECTS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1415 let shared_projects_metric = SHARED_PROJECTS_METRIC.get_or_init(|| {
1416 register_int_gauge!(
1417 "shared_projects",
1418 "number of open projects with one or more guests"
1419 )
1420 .unwrap()
1421 });
1422
1423 let shared_projects = server.app_state.db.project_count_excluding_admins().await?;
1424 shared_projects_metric.set(shared_projects as _);
1425
1426 let encoder = prometheus::TextEncoder::new();
1427 let metric_families = prometheus::gather();
1428 let encoded_metrics = encoder
1429 .encode_to_string(&metric_families)
1430 .map_err(|err| anyhow!("{}", err))?;
1431 Ok(encoded_metrics)
1432}
1433
1434#[instrument(err, skip(executor))]
1435async fn connection_lost(
1436 session: Session,
1437 mut teardown: watch::Receiver<bool>,
1438 executor: Executor,
1439) -> Result<()> {
1440 session.peer.disconnect(session.connection_id);
1441 session
1442 .connection_pool()
1443 .await
1444 .remove_connection(session.connection_id)?;
1445
1446 session
1447 .db()
1448 .await
1449 .connection_lost(session.connection_id)
1450 .await
1451 .trace_err();
1452
1453 futures::select_biased! {
1454 _ = executor.sleep(RECONNECT_TIMEOUT).fuse() => {
1455 match &session.principal {
1456 Principal::User(_) | Principal::Impersonated{ user: _, admin:_ } => {
1457 let session = session.for_user().unwrap();
1458
1459 log::info!("connection lost, removing all resources for user:{}, connection:{:?}", session.user_id(), session.connection_id);
1460 leave_room_for_session(&session, session.connection_id).await.trace_err();
1461 leave_channel_buffers_for_session(&session)
1462 .await
1463 .trace_err();
1464
1465 if !session
1466 .connection_pool()
1467 .await
1468 .is_user_online(session.user_id())
1469 {
1470 let db = session.db().await;
1471 if let Some(room) = db.decline_call(None, session.user_id()).await.trace_err().flatten() {
1472 room_updated(&room, &session.peer);
1473 }
1474 }
1475
1476 update_user_contacts(session.user_id(), &session).await?;
1477 },
1478 Principal::DevServer(_) => {
1479 lost_dev_server_connection(&session.for_dev_server().unwrap()).await?;
1480 },
1481 }
1482 },
1483 _ = teardown.changed().fuse() => {}
1484 }
1485
1486 Ok(())
1487}
1488
1489/// Acknowledges a ping from a client, used to keep the connection alive.
1490async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
1491 response.send(proto::Ack {})?;
1492 Ok(())
1493}
1494
1495/// Creates a new room for calling (outside of channels)
1496async fn create_room(
1497 _request: proto::CreateRoom,
1498 response: Response<proto::CreateRoom>,
1499 session: UserSession,
1500) -> Result<()> {
1501 let live_kit_room = nanoid::nanoid!(30);
1502
1503 let live_kit_connection_info = util::maybe!(async {
1504 let live_kit = session.app_state.live_kit_client.as_ref();
1505 let live_kit = live_kit?;
1506 let user_id = session.user_id().to_string();
1507
1508 let token = live_kit
1509 .room_token(&live_kit_room, &user_id.to_string())
1510 .trace_err()?;
1511
1512 Some(proto::LiveKitConnectionInfo {
1513 server_url: live_kit.url().into(),
1514 token,
1515 can_publish: true,
1516 })
1517 })
1518 .await;
1519
1520 let room = session
1521 .db()
1522 .await
1523 .create_room(session.user_id(), session.connection_id, &live_kit_room)
1524 .await?;
1525
1526 response.send(proto::CreateRoomResponse {
1527 room: Some(room.clone()),
1528 live_kit_connection_info,
1529 })?;
1530
1531 update_user_contacts(session.user_id(), &session).await?;
1532 Ok(())
1533}
1534
1535/// Join a room from an invitation. Equivalent to joining a channel if there is one.
1536async fn join_room(
1537 request: proto::JoinRoom,
1538 response: Response<proto::JoinRoom>,
1539 session: UserSession,
1540) -> Result<()> {
1541 let room_id = RoomId::from_proto(request.id);
1542
1543 let channel_id = session.db().await.channel_id_for_room(room_id).await?;
1544
1545 if let Some(channel_id) = channel_id {
1546 return join_channel_internal(channel_id, Box::new(response), session).await;
1547 }
1548
1549 let joined_room = {
1550 let room = session
1551 .db()
1552 .await
1553 .join_room(room_id, session.user_id(), session.connection_id)
1554 .await?;
1555 room_updated(&room.room, &session.peer);
1556 room.into_inner()
1557 };
1558
1559 for connection_id in session
1560 .connection_pool()
1561 .await
1562 .user_connection_ids(session.user_id())
1563 {
1564 session
1565 .peer
1566 .send(
1567 connection_id,
1568 proto::CallCanceled {
1569 room_id: room_id.to_proto(),
1570 },
1571 )
1572 .trace_err();
1573 }
1574
1575 let live_kit_connection_info =
1576 if let Some(live_kit) = session.app_state.live_kit_client.as_ref() {
1577 live_kit
1578 .room_token(
1579 &joined_room.room.live_kit_room,
1580 &session.user_id().to_string(),
1581 )
1582 .trace_err()
1583 .map(|token| proto::LiveKitConnectionInfo {
1584 server_url: live_kit.url().into(),
1585 token,
1586 can_publish: true,
1587 })
1588 } else {
1589 None
1590 };
1591
1592 response.send(proto::JoinRoomResponse {
1593 room: Some(joined_room.room),
1594 channel_id: None,
1595 live_kit_connection_info,
1596 })?;
1597
1598 update_user_contacts(session.user_id(), &session).await?;
1599 Ok(())
1600}
1601
1602/// Rejoin room is used to reconnect to a room after connection errors.
1603async fn rejoin_room(
1604 request: proto::RejoinRoom,
1605 response: Response<proto::RejoinRoom>,
1606 session: UserSession,
1607) -> Result<()> {
1608 let room;
1609 let channel;
1610 {
1611 let mut rejoined_room = session
1612 .db()
1613 .await
1614 .rejoin_room(request, session.user_id(), session.connection_id)
1615 .await?;
1616
1617 response.send(proto::RejoinRoomResponse {
1618 room: Some(rejoined_room.room.clone()),
1619 reshared_projects: rejoined_room
1620 .reshared_projects
1621 .iter()
1622 .map(|project| proto::ResharedProject {
1623 id: project.id.to_proto(),
1624 collaborators: project
1625 .collaborators
1626 .iter()
1627 .map(|collaborator| collaborator.to_proto())
1628 .collect(),
1629 })
1630 .collect(),
1631 rejoined_projects: rejoined_room
1632 .rejoined_projects
1633 .iter()
1634 .map(|rejoined_project| rejoined_project.to_proto())
1635 .collect(),
1636 })?;
1637 room_updated(&rejoined_room.room, &session.peer);
1638
1639 for project in &rejoined_room.reshared_projects {
1640 for collaborator in &project.collaborators {
1641 session
1642 .peer
1643 .send(
1644 collaborator.connection_id,
1645 proto::UpdateProjectCollaborator {
1646 project_id: project.id.to_proto(),
1647 old_peer_id: Some(project.old_connection_id.into()),
1648 new_peer_id: Some(session.connection_id.into()),
1649 },
1650 )
1651 .trace_err();
1652 }
1653
1654 broadcast(
1655 Some(session.connection_id),
1656 project
1657 .collaborators
1658 .iter()
1659 .map(|collaborator| collaborator.connection_id),
1660 |connection_id| {
1661 session.peer.forward_send(
1662 session.connection_id,
1663 connection_id,
1664 proto::UpdateProject {
1665 project_id: project.id.to_proto(),
1666 worktrees: project.worktrees.clone(),
1667 },
1668 )
1669 },
1670 );
1671 }
1672
1673 notify_rejoined_projects(&mut rejoined_room.rejoined_projects, &session)?;
1674
1675 let rejoined_room = rejoined_room.into_inner();
1676
1677 room = rejoined_room.room;
1678 channel = rejoined_room.channel;
1679 }
1680
1681 if let Some(channel) = channel {
1682 channel_updated(
1683 &channel,
1684 &room,
1685 &session.peer,
1686 &*session.connection_pool().await,
1687 );
1688 }
1689
1690 update_user_contacts(session.user_id(), &session).await?;
1691 Ok(())
1692}
1693
1694fn notify_rejoined_projects(
1695 rejoined_projects: &mut Vec<RejoinedProject>,
1696 session: &UserSession,
1697) -> Result<()> {
1698 for project in rejoined_projects.iter() {
1699 for collaborator in &project.collaborators {
1700 session
1701 .peer
1702 .send(
1703 collaborator.connection_id,
1704 proto::UpdateProjectCollaborator {
1705 project_id: project.id.to_proto(),
1706 old_peer_id: Some(project.old_connection_id.into()),
1707 new_peer_id: Some(session.connection_id.into()),
1708 },
1709 )
1710 .trace_err();
1711 }
1712 }
1713
1714 for project in rejoined_projects {
1715 for worktree in mem::take(&mut project.worktrees) {
1716 // Stream this worktree's entries.
1717 let message = proto::UpdateWorktree {
1718 project_id: project.id.to_proto(),
1719 worktree_id: worktree.id,
1720 abs_path: worktree.abs_path.clone(),
1721 root_name: worktree.root_name,
1722 updated_entries: worktree.updated_entries,
1723 removed_entries: worktree.removed_entries,
1724 scan_id: worktree.scan_id,
1725 is_last_update: worktree.completed_scan_id == worktree.scan_id,
1726 updated_repositories: worktree.updated_repositories,
1727 removed_repositories: worktree.removed_repositories,
1728 };
1729 for update in proto::split_worktree_update(message) {
1730 session.peer.send(session.connection_id, update.clone())?;
1731 }
1732
1733 // Stream this worktree's diagnostics.
1734 for summary in worktree.diagnostic_summaries {
1735 session.peer.send(
1736 session.connection_id,
1737 proto::UpdateDiagnosticSummary {
1738 project_id: project.id.to_proto(),
1739 worktree_id: worktree.id,
1740 summary: Some(summary),
1741 },
1742 )?;
1743 }
1744
1745 for settings_file in worktree.settings_files {
1746 session.peer.send(
1747 session.connection_id,
1748 proto::UpdateWorktreeSettings {
1749 project_id: project.id.to_proto(),
1750 worktree_id: worktree.id,
1751 path: settings_file.path,
1752 content: Some(settings_file.content),
1753 kind: Some(settings_file.kind.to_proto().into()),
1754 },
1755 )?;
1756 }
1757 }
1758
1759 for language_server in &project.language_servers {
1760 session.peer.send(
1761 session.connection_id,
1762 proto::UpdateLanguageServer {
1763 project_id: project.id.to_proto(),
1764 language_server_id: language_server.id,
1765 variant: Some(
1766 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1767 proto::LspDiskBasedDiagnosticsUpdated {},
1768 ),
1769 ),
1770 },
1771 )?;
1772 }
1773 }
1774 Ok(())
1775}
1776
1777/// leave room disconnects from the room.
1778async fn leave_room(
1779 _: proto::LeaveRoom,
1780 response: Response<proto::LeaveRoom>,
1781 session: UserSession,
1782) -> Result<()> {
1783 leave_room_for_session(&session, session.connection_id).await?;
1784 response.send(proto::Ack {})?;
1785 Ok(())
1786}
1787
1788/// Updates the permissions of someone else in the room.
1789async fn set_room_participant_role(
1790 request: proto::SetRoomParticipantRole,
1791 response: Response<proto::SetRoomParticipantRole>,
1792 session: UserSession,
1793) -> Result<()> {
1794 let user_id = UserId::from_proto(request.user_id);
1795 let role = ChannelRole::from(request.role());
1796
1797 let (live_kit_room, can_publish) = {
1798 let room = session
1799 .db()
1800 .await
1801 .set_room_participant_role(
1802 session.user_id(),
1803 RoomId::from_proto(request.room_id),
1804 user_id,
1805 role,
1806 )
1807 .await?;
1808
1809 let live_kit_room = room.live_kit_room.clone();
1810 let can_publish = ChannelRole::from(request.role()).can_use_microphone();
1811 room_updated(&room, &session.peer);
1812 (live_kit_room, can_publish)
1813 };
1814
1815 if let Some(live_kit) = session.app_state.live_kit_client.as_ref() {
1816 live_kit
1817 .update_participant(
1818 live_kit_room.clone(),
1819 request.user_id.to_string(),
1820 live_kit_server::proto::ParticipantPermission {
1821 can_subscribe: true,
1822 can_publish,
1823 can_publish_data: can_publish,
1824 hidden: false,
1825 recorder: false,
1826 },
1827 )
1828 .await
1829 .trace_err();
1830 }
1831
1832 response.send(proto::Ack {})?;
1833 Ok(())
1834}
1835
1836/// Call someone else into the current room
1837async fn call(
1838 request: proto::Call,
1839 response: Response<proto::Call>,
1840 session: UserSession,
1841) -> Result<()> {
1842 let room_id = RoomId::from_proto(request.room_id);
1843 let calling_user_id = session.user_id();
1844 let calling_connection_id = session.connection_id;
1845 let called_user_id = UserId::from_proto(request.called_user_id);
1846 let initial_project_id = request.initial_project_id.map(ProjectId::from_proto);
1847 if !session
1848 .db()
1849 .await
1850 .has_contact(calling_user_id, called_user_id)
1851 .await?
1852 {
1853 return Err(anyhow!("cannot call a user who isn't a contact"))?;
1854 }
1855
1856 let incoming_call = {
1857 let (room, incoming_call) = &mut *session
1858 .db()
1859 .await
1860 .call(
1861 room_id,
1862 calling_user_id,
1863 calling_connection_id,
1864 called_user_id,
1865 initial_project_id,
1866 )
1867 .await?;
1868 room_updated(room, &session.peer);
1869 mem::take(incoming_call)
1870 };
1871 update_user_contacts(called_user_id, &session).await?;
1872
1873 let mut calls = session
1874 .connection_pool()
1875 .await
1876 .user_connection_ids(called_user_id)
1877 .map(|connection_id| session.peer.request(connection_id, incoming_call.clone()))
1878 .collect::<FuturesUnordered<_>>();
1879
1880 while let Some(call_response) = calls.next().await {
1881 match call_response.as_ref() {
1882 Ok(_) => {
1883 response.send(proto::Ack {})?;
1884 return Ok(());
1885 }
1886 Err(_) => {
1887 call_response.trace_err();
1888 }
1889 }
1890 }
1891
1892 {
1893 let room = session
1894 .db()
1895 .await
1896 .call_failed(room_id, called_user_id)
1897 .await?;
1898 room_updated(&room, &session.peer);
1899 }
1900 update_user_contacts(called_user_id, &session).await?;
1901
1902 Err(anyhow!("failed to ring user"))?
1903}
1904
1905/// Cancel an outgoing call.
1906async fn cancel_call(
1907 request: proto::CancelCall,
1908 response: Response<proto::CancelCall>,
1909 session: UserSession,
1910) -> Result<()> {
1911 let called_user_id = UserId::from_proto(request.called_user_id);
1912 let room_id = RoomId::from_proto(request.room_id);
1913 {
1914 let room = session
1915 .db()
1916 .await
1917 .cancel_call(room_id, session.connection_id, called_user_id)
1918 .await?;
1919 room_updated(&room, &session.peer);
1920 }
1921
1922 for connection_id in session
1923 .connection_pool()
1924 .await
1925 .user_connection_ids(called_user_id)
1926 {
1927 session
1928 .peer
1929 .send(
1930 connection_id,
1931 proto::CallCanceled {
1932 room_id: room_id.to_proto(),
1933 },
1934 )
1935 .trace_err();
1936 }
1937 response.send(proto::Ack {})?;
1938
1939 update_user_contacts(called_user_id, &session).await?;
1940 Ok(())
1941}
1942
1943/// Decline an incoming call.
1944async fn decline_call(message: proto::DeclineCall, session: UserSession) -> Result<()> {
1945 let room_id = RoomId::from_proto(message.room_id);
1946 {
1947 let room = session
1948 .db()
1949 .await
1950 .decline_call(Some(room_id), session.user_id())
1951 .await?
1952 .ok_or_else(|| anyhow!("failed to decline call"))?;
1953 room_updated(&room, &session.peer);
1954 }
1955
1956 for connection_id in session
1957 .connection_pool()
1958 .await
1959 .user_connection_ids(session.user_id())
1960 {
1961 session
1962 .peer
1963 .send(
1964 connection_id,
1965 proto::CallCanceled {
1966 room_id: room_id.to_proto(),
1967 },
1968 )
1969 .trace_err();
1970 }
1971 update_user_contacts(session.user_id(), &session).await?;
1972 Ok(())
1973}
1974
1975/// Updates other participants in the room with your current location.
1976async fn update_participant_location(
1977 request: proto::UpdateParticipantLocation,
1978 response: Response<proto::UpdateParticipantLocation>,
1979 session: UserSession,
1980) -> Result<()> {
1981 let room_id = RoomId::from_proto(request.room_id);
1982 let location = request
1983 .location
1984 .ok_or_else(|| anyhow!("invalid location"))?;
1985
1986 let db = session.db().await;
1987 let room = db
1988 .update_room_participant_location(room_id, session.connection_id, location)
1989 .await?;
1990
1991 room_updated(&room, &session.peer);
1992 response.send(proto::Ack {})?;
1993 Ok(())
1994}
1995
1996/// Share a project into the room.
1997async fn share_project(
1998 request: proto::ShareProject,
1999 response: Response<proto::ShareProject>,
2000 session: UserSession,
2001) -> Result<()> {
2002 let (project_id, room) = &*session
2003 .db()
2004 .await
2005 .share_project(
2006 RoomId::from_proto(request.room_id),
2007 session.connection_id,
2008 &request.worktrees,
2009 request.is_ssh_project,
2010 request
2011 .dev_server_project_id
2012 .map(DevServerProjectId::from_proto),
2013 )
2014 .await?;
2015 response.send(proto::ShareProjectResponse {
2016 project_id: project_id.to_proto(),
2017 })?;
2018 room_updated(room, &session.peer);
2019
2020 Ok(())
2021}
2022
2023/// Unshare a project from the room.
2024async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
2025 let project_id = ProjectId::from_proto(message.project_id);
2026 unshare_project_internal(
2027 project_id,
2028 session.connection_id,
2029 session.user_id(),
2030 &session,
2031 )
2032 .await
2033}
2034
2035async fn unshare_project_internal(
2036 project_id: ProjectId,
2037 connection_id: ConnectionId,
2038 user_id: Option<UserId>,
2039 session: &Session,
2040) -> Result<()> {
2041 let delete = {
2042 let room_guard = session
2043 .db()
2044 .await
2045 .unshare_project(project_id, connection_id, user_id)
2046 .await?;
2047
2048 let (delete, room, guest_connection_ids) = &*room_guard;
2049
2050 let message = proto::UnshareProject {
2051 project_id: project_id.to_proto(),
2052 };
2053
2054 broadcast(
2055 Some(connection_id),
2056 guest_connection_ids.iter().copied(),
2057 |conn_id| session.peer.send(conn_id, message.clone()),
2058 );
2059 if let Some(room) = room {
2060 room_updated(room, &session.peer);
2061 }
2062
2063 *delete
2064 };
2065
2066 if delete {
2067 let db = session.db().await;
2068 db.delete_project(project_id).await?;
2069 }
2070
2071 Ok(())
2072}
2073
2074/// DevServer makes a project available online
2075async fn share_dev_server_project(
2076 request: proto::ShareDevServerProject,
2077 response: Response<proto::ShareDevServerProject>,
2078 session: DevServerSession,
2079) -> Result<()> {
2080 let (dev_server_project, user_id, status) = session
2081 .db()
2082 .await
2083 .share_dev_server_project(
2084 DevServerProjectId::from_proto(request.dev_server_project_id),
2085 session.dev_server_id(),
2086 session.connection_id,
2087 &request.worktrees,
2088 )
2089 .await?;
2090 let Some(project_id) = dev_server_project.project_id else {
2091 return Err(anyhow!("failed to share remote project"))?;
2092 };
2093
2094 send_dev_server_projects_update(user_id, status, &session).await;
2095
2096 response.send(proto::ShareProjectResponse { project_id })?;
2097
2098 Ok(())
2099}
2100
2101/// Join someone elses shared project.
2102async fn join_project(
2103 request: proto::JoinProject,
2104 response: Response<proto::JoinProject>,
2105 session: UserSession,
2106) -> Result<()> {
2107 let project_id = ProjectId::from_proto(request.project_id);
2108
2109 tracing::info!(%project_id, "join project");
2110
2111 let db = session.db().await;
2112 let (project, replica_id) = &mut *db
2113 .join_project(project_id, session.connection_id, session.user_id())
2114 .await?;
2115 drop(db);
2116 tracing::info!(%project_id, "join remote project");
2117 join_project_internal(response, session, project, replica_id)
2118}
2119
2120trait JoinProjectInternalResponse {
2121 fn send(self, result: proto::JoinProjectResponse) -> Result<()>;
2122}
2123impl JoinProjectInternalResponse for Response<proto::JoinProject> {
2124 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
2125 Response::<proto::JoinProject>::send(self, result)
2126 }
2127}
2128impl JoinProjectInternalResponse for Response<proto::JoinHostedProject> {
2129 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
2130 Response::<proto::JoinHostedProject>::send(self, result)
2131 }
2132}
2133
2134fn join_project_internal(
2135 response: impl JoinProjectInternalResponse,
2136 session: UserSession,
2137 project: &mut Project,
2138 replica_id: &ReplicaId,
2139) -> Result<()> {
2140 let collaborators = project
2141 .collaborators
2142 .iter()
2143 .filter(|collaborator| collaborator.connection_id != session.connection_id)
2144 .map(|collaborator| collaborator.to_proto())
2145 .collect::<Vec<_>>();
2146 let project_id = project.id;
2147 let guest_user_id = session.user_id();
2148
2149 let worktrees = project
2150 .worktrees
2151 .iter()
2152 .map(|(id, worktree)| proto::WorktreeMetadata {
2153 id: *id,
2154 root_name: worktree.root_name.clone(),
2155 visible: worktree.visible,
2156 abs_path: worktree.abs_path.clone(),
2157 })
2158 .collect::<Vec<_>>();
2159
2160 let add_project_collaborator = proto::AddProjectCollaborator {
2161 project_id: project_id.to_proto(),
2162 collaborator: Some(proto::Collaborator {
2163 peer_id: Some(session.connection_id.into()),
2164 replica_id: replica_id.0 as u32,
2165 user_id: guest_user_id.to_proto(),
2166 }),
2167 };
2168
2169 for collaborator in &collaborators {
2170 session
2171 .peer
2172 .send(
2173 collaborator.peer_id.unwrap().into(),
2174 add_project_collaborator.clone(),
2175 )
2176 .trace_err();
2177 }
2178
2179 // First, we send the metadata associated with each worktree.
2180 response.send(proto::JoinProjectResponse {
2181 project_id: project.id.0 as u64,
2182 worktrees: worktrees.clone(),
2183 replica_id: replica_id.0 as u32,
2184 collaborators: collaborators.clone(),
2185 language_servers: project.language_servers.clone(),
2186 role: project.role.into(),
2187 dev_server_project_id: project
2188 .dev_server_project_id
2189 .map(|dev_server_project_id| dev_server_project_id.0 as u64),
2190 })?;
2191
2192 for (worktree_id, worktree) in mem::take(&mut project.worktrees) {
2193 // Stream this worktree's entries.
2194 let message = proto::UpdateWorktree {
2195 project_id: project_id.to_proto(),
2196 worktree_id,
2197 abs_path: worktree.abs_path.clone(),
2198 root_name: worktree.root_name,
2199 updated_entries: worktree.entries,
2200 removed_entries: Default::default(),
2201 scan_id: worktree.scan_id,
2202 is_last_update: worktree.scan_id == worktree.completed_scan_id,
2203 updated_repositories: worktree.repository_entries.into_values().collect(),
2204 removed_repositories: Default::default(),
2205 };
2206 for update in proto::split_worktree_update(message) {
2207 session.peer.send(session.connection_id, update.clone())?;
2208 }
2209
2210 // Stream this worktree's diagnostics.
2211 for summary in worktree.diagnostic_summaries {
2212 session.peer.send(
2213 session.connection_id,
2214 proto::UpdateDiagnosticSummary {
2215 project_id: project_id.to_proto(),
2216 worktree_id: worktree.id,
2217 summary: Some(summary),
2218 },
2219 )?;
2220 }
2221
2222 for settings_file in worktree.settings_files {
2223 session.peer.send(
2224 session.connection_id,
2225 proto::UpdateWorktreeSettings {
2226 project_id: project_id.to_proto(),
2227 worktree_id: worktree.id,
2228 path: settings_file.path,
2229 content: Some(settings_file.content),
2230 kind: Some(settings_file.kind.to_proto() as i32),
2231 },
2232 )?;
2233 }
2234 }
2235
2236 for language_server in &project.language_servers {
2237 session.peer.send(
2238 session.connection_id,
2239 proto::UpdateLanguageServer {
2240 project_id: project_id.to_proto(),
2241 language_server_id: language_server.id,
2242 variant: Some(
2243 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
2244 proto::LspDiskBasedDiagnosticsUpdated {},
2245 ),
2246 ),
2247 },
2248 )?;
2249 }
2250
2251 Ok(())
2252}
2253
2254/// Leave someone elses shared project.
2255async fn leave_project(request: proto::LeaveProject, session: UserSession) -> Result<()> {
2256 let sender_id = session.connection_id;
2257 let project_id = ProjectId::from_proto(request.project_id);
2258 let db = session.db().await;
2259 if db.is_hosted_project(project_id).await? {
2260 let project = db.leave_hosted_project(project_id, sender_id).await?;
2261 project_left(&project, &session);
2262 return Ok(());
2263 }
2264
2265 let (room, project) = &*db.leave_project(project_id, sender_id).await?;
2266 tracing::info!(
2267 %project_id,
2268 "leave project"
2269 );
2270
2271 project_left(project, &session);
2272 if let Some(room) = room {
2273 room_updated(room, &session.peer);
2274 }
2275
2276 Ok(())
2277}
2278
2279async fn join_hosted_project(
2280 request: proto::JoinHostedProject,
2281 response: Response<proto::JoinHostedProject>,
2282 session: UserSession,
2283) -> Result<()> {
2284 let (mut project, replica_id) = session
2285 .db()
2286 .await
2287 .join_hosted_project(
2288 ProjectId(request.project_id as i32),
2289 session.user_id(),
2290 session.connection_id,
2291 )
2292 .await?;
2293
2294 join_project_internal(response, session, &mut project, &replica_id)
2295}
2296
2297async fn list_remote_directory(
2298 request: proto::ListRemoteDirectory,
2299 response: Response<proto::ListRemoteDirectory>,
2300 session: UserSession,
2301) -> Result<()> {
2302 let dev_server_id = DevServerId(request.dev_server_id as i32);
2303 let dev_server_connection_id = session
2304 .connection_pool()
2305 .await
2306 .online_dev_server_connection_id(dev_server_id)?;
2307
2308 session
2309 .db()
2310 .await
2311 .get_dev_server_for_user(dev_server_id, session.user_id())
2312 .await?;
2313
2314 response.send(
2315 session
2316 .peer
2317 .forward_request(session.connection_id, dev_server_connection_id, request)
2318 .await?,
2319 )?;
2320 Ok(())
2321}
2322
2323async fn update_dev_server_project(
2324 request: proto::UpdateDevServerProject,
2325 response: Response<proto::UpdateDevServerProject>,
2326 session: UserSession,
2327) -> Result<()> {
2328 let dev_server_project_id = DevServerProjectId(request.dev_server_project_id as i32);
2329
2330 let (dev_server_project, update) = session
2331 .db()
2332 .await
2333 .update_dev_server_project(dev_server_project_id, &request.paths, session.user_id())
2334 .await?;
2335
2336 let projects = session
2337 .db()
2338 .await
2339 .get_projects_for_dev_server(dev_server_project.dev_server_id)
2340 .await?;
2341
2342 let dev_server_connection_id = session
2343 .connection_pool()
2344 .await
2345 .online_dev_server_connection_id(dev_server_project.dev_server_id)?;
2346
2347 session.peer.send(
2348 dev_server_connection_id,
2349 proto::DevServerInstructions { projects },
2350 )?;
2351
2352 send_dev_server_projects_update(session.user_id(), update, &session).await;
2353
2354 response.send(proto::Ack {})
2355}
2356
2357async fn create_dev_server_project(
2358 request: proto::CreateDevServerProject,
2359 response: Response<proto::CreateDevServerProject>,
2360 session: UserSession,
2361) -> Result<()> {
2362 let dev_server_id = DevServerId(request.dev_server_id as i32);
2363 let dev_server_connection_id = session
2364 .connection_pool()
2365 .await
2366 .dev_server_connection_id(dev_server_id);
2367 let Some(dev_server_connection_id) = dev_server_connection_id else {
2368 Err(ErrorCode::DevServerOffline
2369 .message("Cannot create a remote project when the dev server is offline".to_string())
2370 .anyhow())?
2371 };
2372
2373 let path = request.path.clone();
2374 //Check that the path exists on the dev server
2375 session
2376 .peer
2377 .forward_request(
2378 session.connection_id,
2379 dev_server_connection_id,
2380 proto::ValidateDevServerProjectRequest { path: path.clone() },
2381 )
2382 .await?;
2383
2384 let (dev_server_project, update) = session
2385 .db()
2386 .await
2387 .create_dev_server_project(
2388 DevServerId(request.dev_server_id as i32),
2389 &request.path,
2390 session.user_id(),
2391 )
2392 .await?;
2393
2394 let projects = session
2395 .db()
2396 .await
2397 .get_projects_for_dev_server(dev_server_project.dev_server_id)
2398 .await?;
2399
2400 session.peer.send(
2401 dev_server_connection_id,
2402 proto::DevServerInstructions { projects },
2403 )?;
2404
2405 send_dev_server_projects_update(session.user_id(), update, &session).await;
2406
2407 response.send(proto::CreateDevServerProjectResponse {
2408 dev_server_project: Some(dev_server_project.to_proto(None)),
2409 })?;
2410 Ok(())
2411}
2412
2413async fn create_dev_server(
2414 request: proto::CreateDevServer,
2415 response: Response<proto::CreateDevServer>,
2416 session: UserSession,
2417) -> Result<()> {
2418 let access_token = auth::random_token();
2419 let hashed_access_token = auth::hash_access_token(&access_token);
2420
2421 if request.name.is_empty() {
2422 return Err(proto::ErrorCode::Forbidden
2423 .message("Dev server name cannot be empty".to_string())
2424 .anyhow())?;
2425 }
2426
2427 let (dev_server, status) = session
2428 .db()
2429 .await
2430 .create_dev_server(
2431 &request.name,
2432 request.ssh_connection_string.as_deref(),
2433 &hashed_access_token,
2434 session.user_id(),
2435 )
2436 .await?;
2437
2438 send_dev_server_projects_update(session.user_id(), status, &session).await;
2439
2440 response.send(proto::CreateDevServerResponse {
2441 dev_server_id: dev_server.id.0 as u64,
2442 access_token: auth::generate_dev_server_token(dev_server.id.0 as usize, access_token),
2443 name: request.name,
2444 })?;
2445 Ok(())
2446}
2447
2448async fn regenerate_dev_server_token(
2449 request: proto::RegenerateDevServerToken,
2450 response: Response<proto::RegenerateDevServerToken>,
2451 session: UserSession,
2452) -> Result<()> {
2453 let dev_server_id = DevServerId(request.dev_server_id as i32);
2454 let access_token = auth::random_token();
2455 let hashed_access_token = auth::hash_access_token(&access_token);
2456
2457 let connection_id = session
2458 .connection_pool()
2459 .await
2460 .dev_server_connection_id(dev_server_id);
2461 if let Some(connection_id) = connection_id {
2462 shutdown_dev_server_internal(dev_server_id, connection_id, &session).await?;
2463 session.peer.send(
2464 connection_id,
2465 proto::ShutdownDevServer {
2466 reason: Some("dev server token was regenerated".to_string()),
2467 },
2468 )?;
2469 let _ = remove_dev_server_connection(dev_server_id, &session).await;
2470 }
2471
2472 let status = session
2473 .db()
2474 .await
2475 .update_dev_server_token(dev_server_id, &hashed_access_token, session.user_id())
2476 .await?;
2477
2478 send_dev_server_projects_update(session.user_id(), status, &session).await;
2479
2480 response.send(proto::RegenerateDevServerTokenResponse {
2481 dev_server_id: dev_server_id.to_proto(),
2482 access_token: auth::generate_dev_server_token(dev_server_id.0 as usize, access_token),
2483 })?;
2484 Ok(())
2485}
2486
2487async fn rename_dev_server(
2488 request: proto::RenameDevServer,
2489 response: Response<proto::RenameDevServer>,
2490 session: UserSession,
2491) -> Result<()> {
2492 if request.name.trim().is_empty() {
2493 return Err(proto::ErrorCode::Forbidden
2494 .message("Dev server name cannot be empty".to_string())
2495 .anyhow())?;
2496 }
2497
2498 let dev_server_id = DevServerId(request.dev_server_id as i32);
2499 let dev_server = session.db().await.get_dev_server(dev_server_id).await?;
2500 if dev_server.user_id != session.user_id() {
2501 return Err(anyhow!(ErrorCode::Forbidden))?;
2502 }
2503
2504 let status = session
2505 .db()
2506 .await
2507 .rename_dev_server(
2508 dev_server_id,
2509 &request.name,
2510 request.ssh_connection_string.as_deref(),
2511 session.user_id(),
2512 )
2513 .await?;
2514
2515 send_dev_server_projects_update(session.user_id(), status, &session).await;
2516
2517 response.send(proto::Ack {})?;
2518 Ok(())
2519}
2520
2521async fn delete_dev_server(
2522 request: proto::DeleteDevServer,
2523 response: Response<proto::DeleteDevServer>,
2524 session: UserSession,
2525) -> Result<()> {
2526 let dev_server_id = DevServerId(request.dev_server_id as i32);
2527 let dev_server = session.db().await.get_dev_server(dev_server_id).await?;
2528 if dev_server.user_id != session.user_id() {
2529 return Err(anyhow!(ErrorCode::Forbidden))?;
2530 }
2531
2532 let connection_id = session
2533 .connection_pool()
2534 .await
2535 .dev_server_connection_id(dev_server_id);
2536 if let Some(connection_id) = connection_id {
2537 shutdown_dev_server_internal(dev_server_id, connection_id, &session).await?;
2538 session.peer.send(
2539 connection_id,
2540 proto::ShutdownDevServer {
2541 reason: Some("dev server was deleted".to_string()),
2542 },
2543 )?;
2544 let _ = remove_dev_server_connection(dev_server_id, &session).await;
2545 }
2546
2547 let status = session
2548 .db()
2549 .await
2550 .delete_dev_server(dev_server_id, session.user_id())
2551 .await?;
2552
2553 send_dev_server_projects_update(session.user_id(), status, &session).await;
2554
2555 response.send(proto::Ack {})?;
2556 Ok(())
2557}
2558
2559async fn delete_dev_server_project(
2560 request: proto::DeleteDevServerProject,
2561 response: Response<proto::DeleteDevServerProject>,
2562 session: UserSession,
2563) -> Result<()> {
2564 let dev_server_project_id = DevServerProjectId(request.dev_server_project_id as i32);
2565 let dev_server_project = session
2566 .db()
2567 .await
2568 .get_dev_server_project(dev_server_project_id)
2569 .await?;
2570
2571 let dev_server = session
2572 .db()
2573 .await
2574 .get_dev_server(dev_server_project.dev_server_id)
2575 .await?;
2576 if dev_server.user_id != session.user_id() {
2577 return Err(anyhow!(ErrorCode::Forbidden))?;
2578 }
2579
2580 let dev_server_connection_id = session
2581 .connection_pool()
2582 .await
2583 .dev_server_connection_id(dev_server.id);
2584
2585 if let Some(dev_server_connection_id) = dev_server_connection_id {
2586 let project = session
2587 .db()
2588 .await
2589 .find_dev_server_project(dev_server_project_id)
2590 .await;
2591 if let Ok(project) = project {
2592 unshare_project_internal(
2593 project.id,
2594 dev_server_connection_id,
2595 Some(session.user_id()),
2596 &session,
2597 )
2598 .await?;
2599 }
2600 }
2601
2602 let (projects, status) = session
2603 .db()
2604 .await
2605 .delete_dev_server_project(dev_server_project_id, dev_server.id, session.user_id())
2606 .await?;
2607
2608 if let Some(dev_server_connection_id) = dev_server_connection_id {
2609 session.peer.send(
2610 dev_server_connection_id,
2611 proto::DevServerInstructions { projects },
2612 )?;
2613 }
2614
2615 send_dev_server_projects_update(session.user_id(), status, &session).await;
2616
2617 response.send(proto::Ack {})?;
2618 Ok(())
2619}
2620
2621async fn rejoin_dev_server_projects(
2622 request: proto::RejoinRemoteProjects,
2623 response: Response<proto::RejoinRemoteProjects>,
2624 session: UserSession,
2625) -> Result<()> {
2626 let mut rejoined_projects = {
2627 let db = session.db().await;
2628 db.rejoin_dev_server_projects(
2629 &request.rejoined_projects,
2630 session.user_id(),
2631 session.0.connection_id,
2632 )
2633 .await?
2634 };
2635 response.send(proto::RejoinRemoteProjectsResponse {
2636 rejoined_projects: rejoined_projects
2637 .iter()
2638 .map(|project| project.to_proto())
2639 .collect(),
2640 })?;
2641 notify_rejoined_projects(&mut rejoined_projects, &session)
2642}
2643
2644async fn reconnect_dev_server(
2645 request: proto::ReconnectDevServer,
2646 response: Response<proto::ReconnectDevServer>,
2647 session: DevServerSession,
2648) -> Result<()> {
2649 let reshared_projects = {
2650 let db = session.db().await;
2651 db.reshare_dev_server_projects(
2652 &request.reshared_projects,
2653 session.dev_server_id(),
2654 session.0.connection_id,
2655 )
2656 .await?
2657 };
2658
2659 for project in &reshared_projects {
2660 for collaborator in &project.collaborators {
2661 session
2662 .peer
2663 .send(
2664 collaborator.connection_id,
2665 proto::UpdateProjectCollaborator {
2666 project_id: project.id.to_proto(),
2667 old_peer_id: Some(project.old_connection_id.into()),
2668 new_peer_id: Some(session.connection_id.into()),
2669 },
2670 )
2671 .trace_err();
2672 }
2673
2674 broadcast(
2675 Some(session.connection_id),
2676 project
2677 .collaborators
2678 .iter()
2679 .map(|collaborator| collaborator.connection_id),
2680 |connection_id| {
2681 session.peer.forward_send(
2682 session.connection_id,
2683 connection_id,
2684 proto::UpdateProject {
2685 project_id: project.id.to_proto(),
2686 worktrees: project.worktrees.clone(),
2687 },
2688 )
2689 },
2690 );
2691 }
2692
2693 response.send(proto::ReconnectDevServerResponse {
2694 reshared_projects: reshared_projects
2695 .iter()
2696 .map(|project| proto::ResharedProject {
2697 id: project.id.to_proto(),
2698 collaborators: project
2699 .collaborators
2700 .iter()
2701 .map(|collaborator| collaborator.to_proto())
2702 .collect(),
2703 })
2704 .collect(),
2705 })?;
2706
2707 Ok(())
2708}
2709
2710async fn shutdown_dev_server(
2711 _: proto::ShutdownDevServer,
2712 response: Response<proto::ShutdownDevServer>,
2713 session: DevServerSession,
2714) -> Result<()> {
2715 response.send(proto::Ack {})?;
2716 shutdown_dev_server_internal(session.dev_server_id(), session.connection_id, &session).await?;
2717 remove_dev_server_connection(session.dev_server_id(), &session).await
2718}
2719
2720async fn shutdown_dev_server_internal(
2721 dev_server_id: DevServerId,
2722 connection_id: ConnectionId,
2723 session: &Session,
2724) -> Result<()> {
2725 let (dev_server_projects, dev_server) = {
2726 let db = session.db().await;
2727 let dev_server_projects = db.get_projects_for_dev_server(dev_server_id).await?;
2728 let dev_server = db.get_dev_server(dev_server_id).await?;
2729 (dev_server_projects, dev_server)
2730 };
2731
2732 for project_id in dev_server_projects.iter().filter_map(|p| p.project_id) {
2733 unshare_project_internal(
2734 ProjectId::from_proto(project_id),
2735 connection_id,
2736 None,
2737 session,
2738 )
2739 .await?;
2740 }
2741
2742 session
2743 .connection_pool()
2744 .await
2745 .set_dev_server_offline(dev_server_id);
2746
2747 let status = session
2748 .db()
2749 .await
2750 .dev_server_projects_update(dev_server.user_id)
2751 .await?;
2752 send_dev_server_projects_update(dev_server.user_id, status, session).await;
2753
2754 Ok(())
2755}
2756
2757async fn remove_dev_server_connection(dev_server_id: DevServerId, session: &Session) -> Result<()> {
2758 let dev_server_connection = session
2759 .connection_pool()
2760 .await
2761 .dev_server_connection_id(dev_server_id);
2762
2763 if let Some(dev_server_connection) = dev_server_connection {
2764 session
2765 .connection_pool()
2766 .await
2767 .remove_connection(dev_server_connection)?;
2768 }
2769 Ok(())
2770}
2771
2772/// Updates other participants with changes to the project
2773async fn update_project(
2774 request: proto::UpdateProject,
2775 response: Response<proto::UpdateProject>,
2776 session: Session,
2777) -> Result<()> {
2778 let project_id = ProjectId::from_proto(request.project_id);
2779 let (room, guest_connection_ids) = &*session
2780 .db()
2781 .await
2782 .update_project(project_id, session.connection_id, &request.worktrees)
2783 .await?;
2784 broadcast(
2785 Some(session.connection_id),
2786 guest_connection_ids.iter().copied(),
2787 |connection_id| {
2788 session
2789 .peer
2790 .forward_send(session.connection_id, connection_id, request.clone())
2791 },
2792 );
2793 if let Some(room) = room {
2794 room_updated(room, &session.peer);
2795 }
2796 response.send(proto::Ack {})?;
2797
2798 Ok(())
2799}
2800
2801/// Updates other participants with changes to the worktree
2802async fn update_worktree(
2803 request: proto::UpdateWorktree,
2804 response: Response<proto::UpdateWorktree>,
2805 session: Session,
2806) -> Result<()> {
2807 let guest_connection_ids = session
2808 .db()
2809 .await
2810 .update_worktree(&request, session.connection_id)
2811 .await?;
2812
2813 broadcast(
2814 Some(session.connection_id),
2815 guest_connection_ids.iter().copied(),
2816 |connection_id| {
2817 session
2818 .peer
2819 .forward_send(session.connection_id, connection_id, request.clone())
2820 },
2821 );
2822 response.send(proto::Ack {})?;
2823 Ok(())
2824}
2825
2826/// Updates other participants with changes to the diagnostics
2827async fn update_diagnostic_summary(
2828 message: proto::UpdateDiagnosticSummary,
2829 session: Session,
2830) -> Result<()> {
2831 let guest_connection_ids = session
2832 .db()
2833 .await
2834 .update_diagnostic_summary(&message, session.connection_id)
2835 .await?;
2836
2837 broadcast(
2838 Some(session.connection_id),
2839 guest_connection_ids.iter().copied(),
2840 |connection_id| {
2841 session
2842 .peer
2843 .forward_send(session.connection_id, connection_id, message.clone())
2844 },
2845 );
2846
2847 Ok(())
2848}
2849
2850/// Updates other participants with changes to the worktree settings
2851async fn update_worktree_settings(
2852 message: proto::UpdateWorktreeSettings,
2853 session: Session,
2854) -> Result<()> {
2855 let guest_connection_ids = session
2856 .db()
2857 .await
2858 .update_worktree_settings(&message, session.connection_id)
2859 .await?;
2860
2861 broadcast(
2862 Some(session.connection_id),
2863 guest_connection_ids.iter().copied(),
2864 |connection_id| {
2865 session
2866 .peer
2867 .forward_send(session.connection_id, connection_id, message.clone())
2868 },
2869 );
2870
2871 Ok(())
2872}
2873
2874/// Notify other participants that a language server has started.
2875async fn start_language_server(
2876 request: proto::StartLanguageServer,
2877 session: Session,
2878) -> Result<()> {
2879 let guest_connection_ids = session
2880 .db()
2881 .await
2882 .start_language_server(&request, session.connection_id)
2883 .await?;
2884
2885 broadcast(
2886 Some(session.connection_id),
2887 guest_connection_ids.iter().copied(),
2888 |connection_id| {
2889 session
2890 .peer
2891 .forward_send(session.connection_id, connection_id, request.clone())
2892 },
2893 );
2894 Ok(())
2895}
2896
2897/// Notify other participants that a language server has changed.
2898async fn update_language_server(
2899 request: proto::UpdateLanguageServer,
2900 session: Session,
2901) -> Result<()> {
2902 let project_id = ProjectId::from_proto(request.project_id);
2903 let project_connection_ids = session
2904 .db()
2905 .await
2906 .project_connection_ids(project_id, session.connection_id, true)
2907 .await?;
2908 broadcast(
2909 Some(session.connection_id),
2910 project_connection_ids.iter().copied(),
2911 |connection_id| {
2912 session
2913 .peer
2914 .forward_send(session.connection_id, connection_id, request.clone())
2915 },
2916 );
2917 Ok(())
2918}
2919
2920/// forward a project request to the host. These requests should be read only
2921/// as guests are allowed to send them.
2922async fn forward_read_only_project_request<T>(
2923 request: T,
2924 response: Response<T>,
2925 session: UserSession,
2926) -> Result<()>
2927where
2928 T: EntityMessage + RequestMessage,
2929{
2930 let project_id = ProjectId::from_proto(request.remote_entity_id());
2931 let host_connection_id = session
2932 .db()
2933 .await
2934 .host_for_read_only_project_request(project_id, session.connection_id, session.user_id())
2935 .await?;
2936 let payload = session
2937 .peer
2938 .forward_request(session.connection_id, host_connection_id, request)
2939 .await?;
2940 response.send(payload)?;
2941 Ok(())
2942}
2943
2944async fn forward_find_search_candidates_request(
2945 request: proto::FindSearchCandidates,
2946 response: Response<proto::FindSearchCandidates>,
2947 session: UserSession,
2948) -> Result<()> {
2949 let project_id = ProjectId::from_proto(request.remote_entity_id());
2950 let host_connection_id = session
2951 .db()
2952 .await
2953 .host_for_read_only_project_request(project_id, session.connection_id, session.user_id())
2954 .await?;
2955 let payload = session
2956 .peer
2957 .forward_request(session.connection_id, host_connection_id, request)
2958 .await?;
2959 response.send(payload)?;
2960 Ok(())
2961}
2962
2963/// forward a project request to the dev server. Only allowed
2964/// if it's your dev server.
2965async fn forward_project_request_for_owner<T>(
2966 request: T,
2967 response: Response<T>,
2968 session: UserSession,
2969) -> Result<()>
2970where
2971 T: EntityMessage + RequestMessage,
2972{
2973 let project_id = ProjectId::from_proto(request.remote_entity_id());
2974
2975 let host_connection_id = session
2976 .db()
2977 .await
2978 .host_for_owner_project_request(project_id, session.connection_id, session.user_id())
2979 .await?;
2980 let payload = session
2981 .peer
2982 .forward_request(session.connection_id, host_connection_id, request)
2983 .await?;
2984 response.send(payload)?;
2985 Ok(())
2986}
2987
2988/// forward a project request to the host. These requests are disallowed
2989/// for guests.
2990async fn forward_mutating_project_request<T>(
2991 request: T,
2992 response: Response<T>,
2993 session: UserSession,
2994) -> Result<()>
2995where
2996 T: EntityMessage + RequestMessage,
2997{
2998 let project_id = ProjectId::from_proto(request.remote_entity_id());
2999
3000 let host_connection_id = session
3001 .db()
3002 .await
3003 .host_for_mutating_project_request(project_id, session.connection_id, session.user_id())
3004 .await?;
3005 let payload = session
3006 .peer
3007 .forward_request(session.connection_id, host_connection_id, request)
3008 .await?;
3009 response.send(payload)?;
3010 Ok(())
3011}
3012
3013/// Notify other participants that a new buffer has been created
3014async fn create_buffer_for_peer(
3015 request: proto::CreateBufferForPeer,
3016 session: Session,
3017) -> Result<()> {
3018 session
3019 .db()
3020 .await
3021 .check_user_is_project_host(
3022 ProjectId::from_proto(request.project_id),
3023 session.connection_id,
3024 )
3025 .await?;
3026 let peer_id = request.peer_id.ok_or_else(|| anyhow!("invalid peer id"))?;
3027 session
3028 .peer
3029 .forward_send(session.connection_id, peer_id.into(), request)?;
3030 Ok(())
3031}
3032
3033/// Notify other participants that a buffer has been updated. This is
3034/// allowed for guests as long as the update is limited to selections.
3035async fn update_buffer(
3036 request: proto::UpdateBuffer,
3037 response: Response<proto::UpdateBuffer>,
3038 session: Session,
3039) -> Result<()> {
3040 let project_id = ProjectId::from_proto(request.project_id);
3041 let mut capability = Capability::ReadOnly;
3042
3043 for op in request.operations.iter() {
3044 match op.variant {
3045 None | Some(proto::operation::Variant::UpdateSelections(_)) => {}
3046 Some(_) => capability = Capability::ReadWrite,
3047 }
3048 }
3049
3050 let host = {
3051 let guard = session
3052 .db()
3053 .await
3054 .connections_for_buffer_update(
3055 project_id,
3056 session.principal_id(),
3057 session.connection_id,
3058 capability,
3059 )
3060 .await?;
3061
3062 let (host, guests) = &*guard;
3063
3064 broadcast(
3065 Some(session.connection_id),
3066 guests.clone(),
3067 |connection_id| {
3068 session
3069 .peer
3070 .forward_send(session.connection_id, connection_id, request.clone())
3071 },
3072 );
3073
3074 *host
3075 };
3076
3077 if host != session.connection_id {
3078 session
3079 .peer
3080 .forward_request(session.connection_id, host, request.clone())
3081 .await?;
3082 }
3083
3084 response.send(proto::Ack {})?;
3085 Ok(())
3086}
3087
3088async fn update_context(message: proto::UpdateContext, session: Session) -> Result<()> {
3089 let project_id = ProjectId::from_proto(message.project_id);
3090
3091 let operation = message.operation.as_ref().context("invalid operation")?;
3092 let capability = match operation.variant.as_ref() {
3093 Some(proto::context_operation::Variant::BufferOperation(buffer_op)) => {
3094 if let Some(buffer_op) = buffer_op.operation.as_ref() {
3095 match buffer_op.variant {
3096 None | Some(proto::operation::Variant::UpdateSelections(_)) => {
3097 Capability::ReadOnly
3098 }
3099 _ => Capability::ReadWrite,
3100 }
3101 } else {
3102 Capability::ReadWrite
3103 }
3104 }
3105 Some(_) => Capability::ReadWrite,
3106 None => Capability::ReadOnly,
3107 };
3108
3109 let guard = session
3110 .db()
3111 .await
3112 .connections_for_buffer_update(
3113 project_id,
3114 session.principal_id(),
3115 session.connection_id,
3116 capability,
3117 )
3118 .await?;
3119
3120 let (host, guests) = &*guard;
3121
3122 broadcast(
3123 Some(session.connection_id),
3124 guests.iter().chain([host]).copied(),
3125 |connection_id| {
3126 session
3127 .peer
3128 .forward_send(session.connection_id, connection_id, message.clone())
3129 },
3130 );
3131
3132 Ok(())
3133}
3134
3135/// Notify other participants that a project has been updated.
3136async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
3137 request: T,
3138 session: Session,
3139) -> Result<()> {
3140 let project_id = ProjectId::from_proto(request.remote_entity_id());
3141 let project_connection_ids = session
3142 .db()
3143 .await
3144 .project_connection_ids(project_id, session.connection_id, false)
3145 .await?;
3146
3147 broadcast(
3148 Some(session.connection_id),
3149 project_connection_ids.iter().copied(),
3150 |connection_id| {
3151 session
3152 .peer
3153 .forward_send(session.connection_id, connection_id, request.clone())
3154 },
3155 );
3156 Ok(())
3157}
3158
3159/// Start following another user in a call.
3160async fn follow(
3161 request: proto::Follow,
3162 response: Response<proto::Follow>,
3163 session: UserSession,
3164) -> Result<()> {
3165 let room_id = RoomId::from_proto(request.room_id);
3166 let project_id = request.project_id.map(ProjectId::from_proto);
3167 let leader_id = request
3168 .leader_id
3169 .ok_or_else(|| anyhow!("invalid leader id"))?
3170 .into();
3171 let follower_id = session.connection_id;
3172
3173 session
3174 .db()
3175 .await
3176 .check_room_participants(room_id, leader_id, session.connection_id)
3177 .await?;
3178
3179 let response_payload = session
3180 .peer
3181 .forward_request(session.connection_id, leader_id, request)
3182 .await?;
3183 response.send(response_payload)?;
3184
3185 if let Some(project_id) = project_id {
3186 let room = session
3187 .db()
3188 .await
3189 .follow(room_id, project_id, leader_id, follower_id)
3190 .await?;
3191 room_updated(&room, &session.peer);
3192 }
3193
3194 Ok(())
3195}
3196
3197/// Stop following another user in a call.
3198async fn unfollow(request: proto::Unfollow, session: UserSession) -> Result<()> {
3199 let room_id = RoomId::from_proto(request.room_id);
3200 let project_id = request.project_id.map(ProjectId::from_proto);
3201 let leader_id = request
3202 .leader_id
3203 .ok_or_else(|| anyhow!("invalid leader id"))?
3204 .into();
3205 let follower_id = session.connection_id;
3206
3207 session
3208 .db()
3209 .await
3210 .check_room_participants(room_id, leader_id, session.connection_id)
3211 .await?;
3212
3213 session
3214 .peer
3215 .forward_send(session.connection_id, leader_id, request)?;
3216
3217 if let Some(project_id) = project_id {
3218 let room = session
3219 .db()
3220 .await
3221 .unfollow(room_id, project_id, leader_id, follower_id)
3222 .await?;
3223 room_updated(&room, &session.peer);
3224 }
3225
3226 Ok(())
3227}
3228
3229/// Notify everyone following you of your current location.
3230async fn update_followers(request: proto::UpdateFollowers, session: UserSession) -> Result<()> {
3231 let room_id = RoomId::from_proto(request.room_id);
3232 let database = session.db.lock().await;
3233
3234 let connection_ids = if let Some(project_id) = request.project_id {
3235 let project_id = ProjectId::from_proto(project_id);
3236 database
3237 .project_connection_ids(project_id, session.connection_id, true)
3238 .await?
3239 } else {
3240 database
3241 .room_connection_ids(room_id, session.connection_id)
3242 .await?
3243 };
3244
3245 // For now, don't send view update messages back to that view's current leader.
3246 let peer_id_to_omit = request.variant.as_ref().and_then(|variant| match variant {
3247 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
3248 _ => None,
3249 });
3250
3251 for connection_id in connection_ids.iter().cloned() {
3252 if Some(connection_id.into()) != peer_id_to_omit && connection_id != session.connection_id {
3253 session
3254 .peer
3255 .forward_send(session.connection_id, connection_id, request.clone())?;
3256 }
3257 }
3258 Ok(())
3259}
3260
3261/// Get public data about users.
3262async fn get_users(
3263 request: proto::GetUsers,
3264 response: Response<proto::GetUsers>,
3265 session: Session,
3266) -> Result<()> {
3267 let user_ids = request
3268 .user_ids
3269 .into_iter()
3270 .map(UserId::from_proto)
3271 .collect();
3272 let users = session
3273 .db()
3274 .await
3275 .get_users_by_ids(user_ids)
3276 .await?
3277 .into_iter()
3278 .map(|user| proto::User {
3279 id: user.id.to_proto(),
3280 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
3281 github_login: user.github_login,
3282 })
3283 .collect();
3284 response.send(proto::UsersResponse { users })?;
3285 Ok(())
3286}
3287
3288/// Search for users (to invite) buy Github login
3289async fn fuzzy_search_users(
3290 request: proto::FuzzySearchUsers,
3291 response: Response<proto::FuzzySearchUsers>,
3292 session: UserSession,
3293) -> Result<()> {
3294 let query = request.query;
3295 let users = match query.len() {
3296 0 => vec![],
3297 1 | 2 => session
3298 .db()
3299 .await
3300 .get_user_by_github_login(&query)
3301 .await?
3302 .into_iter()
3303 .collect(),
3304 _ => session.db().await.fuzzy_search_users(&query, 10).await?,
3305 };
3306 let users = users
3307 .into_iter()
3308 .filter(|user| user.id != session.user_id())
3309 .map(|user| proto::User {
3310 id: user.id.to_proto(),
3311 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
3312 github_login: user.github_login,
3313 })
3314 .collect();
3315 response.send(proto::UsersResponse { users })?;
3316 Ok(())
3317}
3318
3319/// Send a contact request to another user.
3320async fn request_contact(
3321 request: proto::RequestContact,
3322 response: Response<proto::RequestContact>,
3323 session: UserSession,
3324) -> Result<()> {
3325 let requester_id = session.user_id();
3326 let responder_id = UserId::from_proto(request.responder_id);
3327 if requester_id == responder_id {
3328 return Err(anyhow!("cannot add yourself as a contact"))?;
3329 }
3330
3331 let notifications = session
3332 .db()
3333 .await
3334 .send_contact_request(requester_id, responder_id)
3335 .await?;
3336
3337 // Update outgoing contact requests of requester
3338 let mut update = proto::UpdateContacts::default();
3339 update.outgoing_requests.push(responder_id.to_proto());
3340 for connection_id in session
3341 .connection_pool()
3342 .await
3343 .user_connection_ids(requester_id)
3344 {
3345 session.peer.send(connection_id, update.clone())?;
3346 }
3347
3348 // Update incoming contact requests of responder
3349 let mut update = proto::UpdateContacts::default();
3350 update
3351 .incoming_requests
3352 .push(proto::IncomingContactRequest {
3353 requester_id: requester_id.to_proto(),
3354 });
3355 let connection_pool = session.connection_pool().await;
3356 for connection_id in connection_pool.user_connection_ids(responder_id) {
3357 session.peer.send(connection_id, update.clone())?;
3358 }
3359
3360 send_notifications(&connection_pool, &session.peer, notifications);
3361
3362 response.send(proto::Ack {})?;
3363 Ok(())
3364}
3365
3366/// Accept or decline a contact request
3367async fn respond_to_contact_request(
3368 request: proto::RespondToContactRequest,
3369 response: Response<proto::RespondToContactRequest>,
3370 session: UserSession,
3371) -> Result<()> {
3372 let responder_id = session.user_id();
3373 let requester_id = UserId::from_proto(request.requester_id);
3374 let db = session.db().await;
3375 if request.response == proto::ContactRequestResponse::Dismiss as i32 {
3376 db.dismiss_contact_notification(responder_id, requester_id)
3377 .await?;
3378 } else {
3379 let accept = request.response == proto::ContactRequestResponse::Accept as i32;
3380
3381 let notifications = db
3382 .respond_to_contact_request(responder_id, requester_id, accept)
3383 .await?;
3384 let requester_busy = db.is_user_busy(requester_id).await?;
3385 let responder_busy = db.is_user_busy(responder_id).await?;
3386
3387 let pool = session.connection_pool().await;
3388 // Update responder with new contact
3389 let mut update = proto::UpdateContacts::default();
3390 if accept {
3391 update
3392 .contacts
3393 .push(contact_for_user(requester_id, requester_busy, &pool));
3394 }
3395 update
3396 .remove_incoming_requests
3397 .push(requester_id.to_proto());
3398 for connection_id in pool.user_connection_ids(responder_id) {
3399 session.peer.send(connection_id, update.clone())?;
3400 }
3401
3402 // Update requester with new contact
3403 let mut update = proto::UpdateContacts::default();
3404 if accept {
3405 update
3406 .contacts
3407 .push(contact_for_user(responder_id, responder_busy, &pool));
3408 }
3409 update
3410 .remove_outgoing_requests
3411 .push(responder_id.to_proto());
3412
3413 for connection_id in pool.user_connection_ids(requester_id) {
3414 session.peer.send(connection_id, update.clone())?;
3415 }
3416
3417 send_notifications(&pool, &session.peer, notifications);
3418 }
3419
3420 response.send(proto::Ack {})?;
3421 Ok(())
3422}
3423
3424/// Remove a contact.
3425async fn remove_contact(
3426 request: proto::RemoveContact,
3427 response: Response<proto::RemoveContact>,
3428 session: UserSession,
3429) -> Result<()> {
3430 let requester_id = session.user_id();
3431 let responder_id = UserId::from_proto(request.user_id);
3432 let db = session.db().await;
3433 let (contact_accepted, deleted_notification_id) =
3434 db.remove_contact(requester_id, responder_id).await?;
3435
3436 let pool = session.connection_pool().await;
3437 // Update outgoing contact requests of requester
3438 let mut update = proto::UpdateContacts::default();
3439 if contact_accepted {
3440 update.remove_contacts.push(responder_id.to_proto());
3441 } else {
3442 update
3443 .remove_outgoing_requests
3444 .push(responder_id.to_proto());
3445 }
3446 for connection_id in pool.user_connection_ids(requester_id) {
3447 session.peer.send(connection_id, update.clone())?;
3448 }
3449
3450 // Update incoming contact requests of responder
3451 let mut update = proto::UpdateContacts::default();
3452 if contact_accepted {
3453 update.remove_contacts.push(requester_id.to_proto());
3454 } else {
3455 update
3456 .remove_incoming_requests
3457 .push(requester_id.to_proto());
3458 }
3459 for connection_id in pool.user_connection_ids(responder_id) {
3460 session.peer.send(connection_id, update.clone())?;
3461 if let Some(notification_id) = deleted_notification_id {
3462 session.peer.send(
3463 connection_id,
3464 proto::DeleteNotification {
3465 notification_id: notification_id.to_proto(),
3466 },
3467 )?;
3468 }
3469 }
3470
3471 response.send(proto::Ack {})?;
3472 Ok(())
3473}
3474
3475fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
3476 version.0.minor() < 139
3477}
3478
3479async fn update_user_plan(_user_id: UserId, session: &Session) -> Result<()> {
3480 let plan = session.current_plan(&session.db().await).await?;
3481
3482 session
3483 .peer
3484 .send(
3485 session.connection_id,
3486 proto::UpdateUserPlan { plan: plan.into() },
3487 )
3488 .trace_err();
3489
3490 Ok(())
3491}
3492
3493async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
3494 subscribe_user_to_channels(
3495 session.user_id().ok_or_else(|| anyhow!("must be a user"))?,
3496 &session,
3497 )
3498 .await?;
3499 Ok(())
3500}
3501
3502async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Result<(), Error> {
3503 let channels_for_user = session.db().await.get_channels_for_user(user_id).await?;
3504 let mut pool = session.connection_pool().await;
3505 for membership in &channels_for_user.channel_memberships {
3506 pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
3507 }
3508 session.peer.send(
3509 session.connection_id,
3510 build_update_user_channels(&channels_for_user),
3511 )?;
3512 session.peer.send(
3513 session.connection_id,
3514 build_channels_update(channels_for_user),
3515 )?;
3516 Ok(())
3517}
3518
3519/// Creates a new channel.
3520async fn create_channel(
3521 request: proto::CreateChannel,
3522 response: Response<proto::CreateChannel>,
3523 session: UserSession,
3524) -> Result<()> {
3525 let db = session.db().await;
3526
3527 let parent_id = request.parent_id.map(ChannelId::from_proto);
3528 let (channel, membership) = db
3529 .create_channel(&request.name, parent_id, session.user_id())
3530 .await?;
3531
3532 let root_id = channel.root_id();
3533 let channel = Channel::from_model(channel);
3534
3535 response.send(proto::CreateChannelResponse {
3536 channel: Some(channel.to_proto()),
3537 parent_id: request.parent_id,
3538 })?;
3539
3540 let mut connection_pool = session.connection_pool().await;
3541 if let Some(membership) = membership {
3542 connection_pool.subscribe_to_channel(
3543 membership.user_id,
3544 membership.channel_id,
3545 membership.role,
3546 );
3547 let update = proto::UpdateUserChannels {
3548 channel_memberships: vec![proto::ChannelMembership {
3549 channel_id: membership.channel_id.to_proto(),
3550 role: membership.role.into(),
3551 }],
3552 ..Default::default()
3553 };
3554 for connection_id in connection_pool.user_connection_ids(membership.user_id) {
3555 session.peer.send(connection_id, update.clone())?;
3556 }
3557 }
3558
3559 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3560 if !role.can_see_channel(channel.visibility) {
3561 continue;
3562 }
3563
3564 let update = proto::UpdateChannels {
3565 channels: vec![channel.to_proto()],
3566 ..Default::default()
3567 };
3568 session.peer.send(connection_id, update.clone())?;
3569 }
3570
3571 Ok(())
3572}
3573
3574/// Delete a channel
3575async fn delete_channel(
3576 request: proto::DeleteChannel,
3577 response: Response<proto::DeleteChannel>,
3578 session: UserSession,
3579) -> Result<()> {
3580 let db = session.db().await;
3581
3582 let channel_id = request.channel_id;
3583 let (root_channel, removed_channels) = db
3584 .delete_channel(ChannelId::from_proto(channel_id), session.user_id())
3585 .await?;
3586 response.send(proto::Ack {})?;
3587
3588 // Notify members of removed channels
3589 let mut update = proto::UpdateChannels::default();
3590 update
3591 .delete_channels
3592 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
3593
3594 let connection_pool = session.connection_pool().await;
3595 for (connection_id, _) in connection_pool.channel_connection_ids(root_channel) {
3596 session.peer.send(connection_id, update.clone())?;
3597 }
3598
3599 Ok(())
3600}
3601
3602/// Invite someone to join a channel.
3603async fn invite_channel_member(
3604 request: proto::InviteChannelMember,
3605 response: Response<proto::InviteChannelMember>,
3606 session: UserSession,
3607) -> Result<()> {
3608 let db = session.db().await;
3609 let channel_id = ChannelId::from_proto(request.channel_id);
3610 let invitee_id = UserId::from_proto(request.user_id);
3611 let InviteMemberResult {
3612 channel,
3613 notifications,
3614 } = db
3615 .invite_channel_member(
3616 channel_id,
3617 invitee_id,
3618 session.user_id(),
3619 request.role().into(),
3620 )
3621 .await?;
3622
3623 let update = proto::UpdateChannels {
3624 channel_invitations: vec![channel.to_proto()],
3625 ..Default::default()
3626 };
3627
3628 let connection_pool = session.connection_pool().await;
3629 for connection_id in connection_pool.user_connection_ids(invitee_id) {
3630 session.peer.send(connection_id, update.clone())?;
3631 }
3632
3633 send_notifications(&connection_pool, &session.peer, notifications);
3634
3635 response.send(proto::Ack {})?;
3636 Ok(())
3637}
3638
3639/// remove someone from a channel
3640async fn remove_channel_member(
3641 request: proto::RemoveChannelMember,
3642 response: Response<proto::RemoveChannelMember>,
3643 session: UserSession,
3644) -> Result<()> {
3645 let db = session.db().await;
3646 let channel_id = ChannelId::from_proto(request.channel_id);
3647 let member_id = UserId::from_proto(request.user_id);
3648
3649 let RemoveChannelMemberResult {
3650 membership_update,
3651 notification_id,
3652 } = db
3653 .remove_channel_member(channel_id, member_id, session.user_id())
3654 .await?;
3655
3656 let mut connection_pool = session.connection_pool().await;
3657 notify_membership_updated(
3658 &mut connection_pool,
3659 membership_update,
3660 member_id,
3661 &session.peer,
3662 );
3663 for connection_id in connection_pool.user_connection_ids(member_id) {
3664 if let Some(notification_id) = notification_id {
3665 session
3666 .peer
3667 .send(
3668 connection_id,
3669 proto::DeleteNotification {
3670 notification_id: notification_id.to_proto(),
3671 },
3672 )
3673 .trace_err();
3674 }
3675 }
3676
3677 response.send(proto::Ack {})?;
3678 Ok(())
3679}
3680
3681/// Toggle the channel between public and private.
3682/// Care is taken to maintain the invariant that public channels only descend from public channels,
3683/// (though members-only channels can appear at any point in the hierarchy).
3684async fn set_channel_visibility(
3685 request: proto::SetChannelVisibility,
3686 response: Response<proto::SetChannelVisibility>,
3687 session: UserSession,
3688) -> Result<()> {
3689 let db = session.db().await;
3690 let channel_id = ChannelId::from_proto(request.channel_id);
3691 let visibility = request.visibility().into();
3692
3693 let channel_model = db
3694 .set_channel_visibility(channel_id, visibility, session.user_id())
3695 .await?;
3696 let root_id = channel_model.root_id();
3697 let channel = Channel::from_model(channel_model);
3698
3699 let mut connection_pool = session.connection_pool().await;
3700 for (user_id, role) in connection_pool
3701 .channel_user_ids(root_id)
3702 .collect::<Vec<_>>()
3703 .into_iter()
3704 {
3705 let update = if role.can_see_channel(channel.visibility) {
3706 connection_pool.subscribe_to_channel(user_id, channel_id, role);
3707 proto::UpdateChannels {
3708 channels: vec![channel.to_proto()],
3709 ..Default::default()
3710 }
3711 } else {
3712 connection_pool.unsubscribe_from_channel(&user_id, &channel_id);
3713 proto::UpdateChannels {
3714 delete_channels: vec![channel.id.to_proto()],
3715 ..Default::default()
3716 }
3717 };
3718
3719 for connection_id in connection_pool.user_connection_ids(user_id) {
3720 session.peer.send(connection_id, update.clone())?;
3721 }
3722 }
3723
3724 response.send(proto::Ack {})?;
3725 Ok(())
3726}
3727
3728/// Alter the role for a user in the channel.
3729async fn set_channel_member_role(
3730 request: proto::SetChannelMemberRole,
3731 response: Response<proto::SetChannelMemberRole>,
3732 session: UserSession,
3733) -> Result<()> {
3734 let db = session.db().await;
3735 let channel_id = ChannelId::from_proto(request.channel_id);
3736 let member_id = UserId::from_proto(request.user_id);
3737 let result = db
3738 .set_channel_member_role(
3739 channel_id,
3740 session.user_id(),
3741 member_id,
3742 request.role().into(),
3743 )
3744 .await?;
3745
3746 match result {
3747 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
3748 let mut connection_pool = session.connection_pool().await;
3749 notify_membership_updated(
3750 &mut connection_pool,
3751 membership_update,
3752 member_id,
3753 &session.peer,
3754 )
3755 }
3756 db::SetMemberRoleResult::InviteUpdated(channel) => {
3757 let update = proto::UpdateChannels {
3758 channel_invitations: vec![channel.to_proto()],
3759 ..Default::default()
3760 };
3761
3762 for connection_id in session
3763 .connection_pool()
3764 .await
3765 .user_connection_ids(member_id)
3766 {
3767 session.peer.send(connection_id, update.clone())?;
3768 }
3769 }
3770 }
3771
3772 response.send(proto::Ack {})?;
3773 Ok(())
3774}
3775
3776/// Change the name of a channel
3777async fn rename_channel(
3778 request: proto::RenameChannel,
3779 response: Response<proto::RenameChannel>,
3780 session: UserSession,
3781) -> Result<()> {
3782 let db = session.db().await;
3783 let channel_id = ChannelId::from_proto(request.channel_id);
3784 let channel_model = db
3785 .rename_channel(channel_id, session.user_id(), &request.name)
3786 .await?;
3787 let root_id = channel_model.root_id();
3788 let channel = Channel::from_model(channel_model);
3789
3790 response.send(proto::RenameChannelResponse {
3791 channel: Some(channel.to_proto()),
3792 })?;
3793
3794 let connection_pool = session.connection_pool().await;
3795 let update = proto::UpdateChannels {
3796 channels: vec![channel.to_proto()],
3797 ..Default::default()
3798 };
3799 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3800 if role.can_see_channel(channel.visibility) {
3801 session.peer.send(connection_id, update.clone())?;
3802 }
3803 }
3804
3805 Ok(())
3806}
3807
3808/// Move a channel to a new parent.
3809async fn move_channel(
3810 request: proto::MoveChannel,
3811 response: Response<proto::MoveChannel>,
3812 session: UserSession,
3813) -> Result<()> {
3814 let channel_id = ChannelId::from_proto(request.channel_id);
3815 let to = ChannelId::from_proto(request.to);
3816
3817 let (root_id, channels) = session
3818 .db()
3819 .await
3820 .move_channel(channel_id, to, session.user_id())
3821 .await?;
3822
3823 let connection_pool = session.connection_pool().await;
3824 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3825 let channels = channels
3826 .iter()
3827 .filter_map(|channel| {
3828 if role.can_see_channel(channel.visibility) {
3829 Some(channel.to_proto())
3830 } else {
3831 None
3832 }
3833 })
3834 .collect::<Vec<_>>();
3835 if channels.is_empty() {
3836 continue;
3837 }
3838
3839 let update = proto::UpdateChannels {
3840 channels,
3841 ..Default::default()
3842 };
3843
3844 session.peer.send(connection_id, update.clone())?;
3845 }
3846
3847 response.send(Ack {})?;
3848 Ok(())
3849}
3850
3851/// Get the list of channel members
3852async fn get_channel_members(
3853 request: proto::GetChannelMembers,
3854 response: Response<proto::GetChannelMembers>,
3855 session: UserSession,
3856) -> Result<()> {
3857 let db = session.db().await;
3858 let channel_id = ChannelId::from_proto(request.channel_id);
3859 let limit = if request.limit == 0 {
3860 u16::MAX as u64
3861 } else {
3862 request.limit
3863 };
3864 let (members, users) = db
3865 .get_channel_participant_details(channel_id, &request.query, limit, session.user_id())
3866 .await?;
3867 response.send(proto::GetChannelMembersResponse { members, users })?;
3868 Ok(())
3869}
3870
3871/// Accept or decline a channel invitation.
3872async fn respond_to_channel_invite(
3873 request: proto::RespondToChannelInvite,
3874 response: Response<proto::RespondToChannelInvite>,
3875 session: UserSession,
3876) -> Result<()> {
3877 let db = session.db().await;
3878 let channel_id = ChannelId::from_proto(request.channel_id);
3879 let RespondToChannelInvite {
3880 membership_update,
3881 notifications,
3882 } = db
3883 .respond_to_channel_invite(channel_id, session.user_id(), request.accept)
3884 .await?;
3885
3886 let mut connection_pool = session.connection_pool().await;
3887 if let Some(membership_update) = membership_update {
3888 notify_membership_updated(
3889 &mut connection_pool,
3890 membership_update,
3891 session.user_id(),
3892 &session.peer,
3893 );
3894 } else {
3895 let update = proto::UpdateChannels {
3896 remove_channel_invitations: vec![channel_id.to_proto()],
3897 ..Default::default()
3898 };
3899
3900 for connection_id in connection_pool.user_connection_ids(session.user_id()) {
3901 session.peer.send(connection_id, update.clone())?;
3902 }
3903 };
3904
3905 send_notifications(&connection_pool, &session.peer, notifications);
3906
3907 response.send(proto::Ack {})?;
3908
3909 Ok(())
3910}
3911
3912/// Join the channels' room
3913async fn join_channel(
3914 request: proto::JoinChannel,
3915 response: Response<proto::JoinChannel>,
3916 session: UserSession,
3917) -> Result<()> {
3918 let channel_id = ChannelId::from_proto(request.channel_id);
3919 join_channel_internal(channel_id, Box::new(response), session).await
3920}
3921
3922trait JoinChannelInternalResponse {
3923 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
3924}
3925impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
3926 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3927 Response::<proto::JoinChannel>::send(self, result)
3928 }
3929}
3930impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
3931 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3932 Response::<proto::JoinRoom>::send(self, result)
3933 }
3934}
3935
3936async fn join_channel_internal(
3937 channel_id: ChannelId,
3938 response: Box<impl JoinChannelInternalResponse>,
3939 session: UserSession,
3940) -> Result<()> {
3941 let joined_room = {
3942 let mut db = session.db().await;
3943 // If zed quits without leaving the room, and the user re-opens zed before the
3944 // RECONNECT_TIMEOUT, we need to make sure that we kick the user out of the previous
3945 // room they were in.
3946 if let Some(connection) = db.stale_room_connection(session.user_id()).await? {
3947 tracing::info!(
3948 stale_connection_id = %connection,
3949 "cleaning up stale connection",
3950 );
3951 drop(db);
3952 leave_room_for_session(&session, connection).await?;
3953 db = session.db().await;
3954 }
3955
3956 let (joined_room, membership_updated, role) = db
3957 .join_channel(channel_id, session.user_id(), session.connection_id)
3958 .await?;
3959
3960 let live_kit_connection_info =
3961 session
3962 .app_state
3963 .live_kit_client
3964 .as_ref()
3965 .and_then(|live_kit| {
3966 let (can_publish, token) = if role == ChannelRole::Guest {
3967 (
3968 false,
3969 live_kit
3970 .guest_token(
3971 &joined_room.room.live_kit_room,
3972 &session.user_id().to_string(),
3973 )
3974 .trace_err()?,
3975 )
3976 } else {
3977 (
3978 true,
3979 live_kit
3980 .room_token(
3981 &joined_room.room.live_kit_room,
3982 &session.user_id().to_string(),
3983 )
3984 .trace_err()?,
3985 )
3986 };
3987
3988 Some(LiveKitConnectionInfo {
3989 server_url: live_kit.url().into(),
3990 token,
3991 can_publish,
3992 })
3993 });
3994
3995 response.send(proto::JoinRoomResponse {
3996 room: Some(joined_room.room.clone()),
3997 channel_id: joined_room
3998 .channel
3999 .as_ref()
4000 .map(|channel| channel.id.to_proto()),
4001 live_kit_connection_info,
4002 })?;
4003
4004 let mut connection_pool = session.connection_pool().await;
4005 if let Some(membership_updated) = membership_updated {
4006 notify_membership_updated(
4007 &mut connection_pool,
4008 membership_updated,
4009 session.user_id(),
4010 &session.peer,
4011 );
4012 }
4013
4014 room_updated(&joined_room.room, &session.peer);
4015
4016 joined_room
4017 };
4018
4019 channel_updated(
4020 &joined_room
4021 .channel
4022 .ok_or_else(|| anyhow!("channel not returned"))?,
4023 &joined_room.room,
4024 &session.peer,
4025 &*session.connection_pool().await,
4026 );
4027
4028 update_user_contacts(session.user_id(), &session).await?;
4029 Ok(())
4030}
4031
4032/// Start editing the channel notes
4033async fn join_channel_buffer(
4034 request: proto::JoinChannelBuffer,
4035 response: Response<proto::JoinChannelBuffer>,
4036 session: UserSession,
4037) -> Result<()> {
4038 let db = session.db().await;
4039 let channel_id = ChannelId::from_proto(request.channel_id);
4040
4041 let open_response = db
4042 .join_channel_buffer(channel_id, session.user_id(), session.connection_id)
4043 .await?;
4044
4045 let collaborators = open_response.collaborators.clone();
4046 response.send(open_response)?;
4047
4048 let update = UpdateChannelBufferCollaborators {
4049 channel_id: channel_id.to_proto(),
4050 collaborators: collaborators.clone(),
4051 };
4052 channel_buffer_updated(
4053 session.connection_id,
4054 collaborators
4055 .iter()
4056 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
4057 &update,
4058 &session.peer,
4059 );
4060
4061 Ok(())
4062}
4063
4064/// Edit the channel notes
4065async fn update_channel_buffer(
4066 request: proto::UpdateChannelBuffer,
4067 session: UserSession,
4068) -> Result<()> {
4069 let db = session.db().await;
4070 let channel_id = ChannelId::from_proto(request.channel_id);
4071
4072 let (collaborators, epoch, version) = db
4073 .update_channel_buffer(channel_id, session.user_id(), &request.operations)
4074 .await?;
4075
4076 channel_buffer_updated(
4077 session.connection_id,
4078 collaborators.clone(),
4079 &proto::UpdateChannelBuffer {
4080 channel_id: channel_id.to_proto(),
4081 operations: request.operations,
4082 },
4083 &session.peer,
4084 );
4085
4086 let pool = &*session.connection_pool().await;
4087
4088 let non_collaborators =
4089 pool.channel_connection_ids(channel_id)
4090 .filter_map(|(connection_id, _)| {
4091 if collaborators.contains(&connection_id) {
4092 None
4093 } else {
4094 Some(connection_id)
4095 }
4096 });
4097
4098 broadcast(None, non_collaborators, |peer_id| {
4099 session.peer.send(
4100 peer_id,
4101 proto::UpdateChannels {
4102 latest_channel_buffer_versions: vec![proto::ChannelBufferVersion {
4103 channel_id: channel_id.to_proto(),
4104 epoch: epoch as u64,
4105 version: version.clone(),
4106 }],
4107 ..Default::default()
4108 },
4109 )
4110 });
4111
4112 Ok(())
4113}
4114
4115/// Rejoin the channel notes after a connection blip
4116async fn rejoin_channel_buffers(
4117 request: proto::RejoinChannelBuffers,
4118 response: Response<proto::RejoinChannelBuffers>,
4119 session: UserSession,
4120) -> Result<()> {
4121 let db = session.db().await;
4122 let buffers = db
4123 .rejoin_channel_buffers(&request.buffers, session.user_id(), session.connection_id)
4124 .await?;
4125
4126 for rejoined_buffer in &buffers {
4127 let collaborators_to_notify = rejoined_buffer
4128 .buffer
4129 .collaborators
4130 .iter()
4131 .filter_map(|c| Some(c.peer_id?.into()));
4132 channel_buffer_updated(
4133 session.connection_id,
4134 collaborators_to_notify,
4135 &proto::UpdateChannelBufferCollaborators {
4136 channel_id: rejoined_buffer.buffer.channel_id,
4137 collaborators: rejoined_buffer.buffer.collaborators.clone(),
4138 },
4139 &session.peer,
4140 );
4141 }
4142
4143 response.send(proto::RejoinChannelBuffersResponse {
4144 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
4145 })?;
4146
4147 Ok(())
4148}
4149
4150/// Stop editing the channel notes
4151async fn leave_channel_buffer(
4152 request: proto::LeaveChannelBuffer,
4153 response: Response<proto::LeaveChannelBuffer>,
4154 session: UserSession,
4155) -> Result<()> {
4156 let db = session.db().await;
4157 let channel_id = ChannelId::from_proto(request.channel_id);
4158
4159 let left_buffer = db
4160 .leave_channel_buffer(channel_id, session.connection_id)
4161 .await?;
4162
4163 response.send(Ack {})?;
4164
4165 channel_buffer_updated(
4166 session.connection_id,
4167 left_buffer.connections,
4168 &proto::UpdateChannelBufferCollaborators {
4169 channel_id: channel_id.to_proto(),
4170 collaborators: left_buffer.collaborators,
4171 },
4172 &session.peer,
4173 );
4174
4175 Ok(())
4176}
4177
4178fn channel_buffer_updated<T: EnvelopedMessage>(
4179 sender_id: ConnectionId,
4180 collaborators: impl IntoIterator<Item = ConnectionId>,
4181 message: &T,
4182 peer: &Peer,
4183) {
4184 broadcast(Some(sender_id), collaborators, |peer_id| {
4185 peer.send(peer_id, message.clone())
4186 });
4187}
4188
4189fn send_notifications(
4190 connection_pool: &ConnectionPool,
4191 peer: &Peer,
4192 notifications: db::NotificationBatch,
4193) {
4194 for (user_id, notification) in notifications {
4195 for connection_id in connection_pool.user_connection_ids(user_id) {
4196 if let Err(error) = peer.send(
4197 connection_id,
4198 proto::AddNotification {
4199 notification: Some(notification.clone()),
4200 },
4201 ) {
4202 tracing::error!(
4203 "failed to send notification to {:?} {}",
4204 connection_id,
4205 error
4206 );
4207 }
4208 }
4209 }
4210}
4211
4212/// Send a message to the channel
4213async fn send_channel_message(
4214 request: proto::SendChannelMessage,
4215 response: Response<proto::SendChannelMessage>,
4216 session: UserSession,
4217) -> Result<()> {
4218 // Validate the message body.
4219 let body = request.body.trim().to_string();
4220 if body.len() > MAX_MESSAGE_LEN {
4221 return Err(anyhow!("message is too long"))?;
4222 }
4223 if body.is_empty() {
4224 return Err(anyhow!("message can't be blank"))?;
4225 }
4226
4227 // TODO: adjust mentions if body is trimmed
4228
4229 let timestamp = OffsetDateTime::now_utc();
4230 let nonce = request
4231 .nonce
4232 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
4233
4234 let channel_id = ChannelId::from_proto(request.channel_id);
4235 let CreatedChannelMessage {
4236 message_id,
4237 participant_connection_ids,
4238 notifications,
4239 } = session
4240 .db()
4241 .await
4242 .create_channel_message(
4243 channel_id,
4244 session.user_id(),
4245 &body,
4246 &request.mentions,
4247 timestamp,
4248 nonce.clone().into(),
4249 request.reply_to_message_id.map(MessageId::from_proto),
4250 )
4251 .await?;
4252
4253 let message = proto::ChannelMessage {
4254 sender_id: session.user_id().to_proto(),
4255 id: message_id.to_proto(),
4256 body,
4257 mentions: request.mentions,
4258 timestamp: timestamp.unix_timestamp() as u64,
4259 nonce: Some(nonce),
4260 reply_to_message_id: request.reply_to_message_id,
4261 edited_at: None,
4262 };
4263 broadcast(
4264 Some(session.connection_id),
4265 participant_connection_ids.clone(),
4266 |connection| {
4267 session.peer.send(
4268 connection,
4269 proto::ChannelMessageSent {
4270 channel_id: channel_id.to_proto(),
4271 message: Some(message.clone()),
4272 },
4273 )
4274 },
4275 );
4276 response.send(proto::SendChannelMessageResponse {
4277 message: Some(message),
4278 })?;
4279
4280 let pool = &*session.connection_pool().await;
4281 let non_participants =
4282 pool.channel_connection_ids(channel_id)
4283 .filter_map(|(connection_id, _)| {
4284 if participant_connection_ids.contains(&connection_id) {
4285 None
4286 } else {
4287 Some(connection_id)
4288 }
4289 });
4290 broadcast(None, non_participants, |peer_id| {
4291 session.peer.send(
4292 peer_id,
4293 proto::UpdateChannels {
4294 latest_channel_message_ids: vec![proto::ChannelMessageId {
4295 channel_id: channel_id.to_proto(),
4296 message_id: message_id.to_proto(),
4297 }],
4298 ..Default::default()
4299 },
4300 )
4301 });
4302 send_notifications(pool, &session.peer, notifications);
4303
4304 Ok(())
4305}
4306
4307/// Delete a channel message
4308async fn remove_channel_message(
4309 request: proto::RemoveChannelMessage,
4310 response: Response<proto::RemoveChannelMessage>,
4311 session: UserSession,
4312) -> Result<()> {
4313 let channel_id = ChannelId::from_proto(request.channel_id);
4314 let message_id = MessageId::from_proto(request.message_id);
4315 let (connection_ids, existing_notification_ids) = session
4316 .db()
4317 .await
4318 .remove_channel_message(channel_id, message_id, session.user_id())
4319 .await?;
4320
4321 broadcast(
4322 Some(session.connection_id),
4323 connection_ids,
4324 move |connection| {
4325 session.peer.send(connection, request.clone())?;
4326
4327 for notification_id in &existing_notification_ids {
4328 session.peer.send(
4329 connection,
4330 proto::DeleteNotification {
4331 notification_id: (*notification_id).to_proto(),
4332 },
4333 )?;
4334 }
4335
4336 Ok(())
4337 },
4338 );
4339 response.send(proto::Ack {})?;
4340 Ok(())
4341}
4342
4343async fn update_channel_message(
4344 request: proto::UpdateChannelMessage,
4345 response: Response<proto::UpdateChannelMessage>,
4346 session: UserSession,
4347) -> Result<()> {
4348 let channel_id = ChannelId::from_proto(request.channel_id);
4349 let message_id = MessageId::from_proto(request.message_id);
4350 let updated_at = OffsetDateTime::now_utc();
4351 let UpdatedChannelMessage {
4352 message_id,
4353 participant_connection_ids,
4354 notifications,
4355 reply_to_message_id,
4356 timestamp,
4357 deleted_mention_notification_ids,
4358 updated_mention_notifications,
4359 } = session
4360 .db()
4361 .await
4362 .update_channel_message(
4363 channel_id,
4364 message_id,
4365 session.user_id(),
4366 request.body.as_str(),
4367 &request.mentions,
4368 updated_at,
4369 )
4370 .await?;
4371
4372 let nonce = request
4373 .nonce
4374 .clone()
4375 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
4376
4377 let message = proto::ChannelMessage {
4378 sender_id: session.user_id().to_proto(),
4379 id: message_id.to_proto(),
4380 body: request.body.clone(),
4381 mentions: request.mentions.clone(),
4382 timestamp: timestamp.assume_utc().unix_timestamp() as u64,
4383 nonce: Some(nonce),
4384 reply_to_message_id: reply_to_message_id.map(|id| id.to_proto()),
4385 edited_at: Some(updated_at.unix_timestamp() as u64),
4386 };
4387
4388 response.send(proto::Ack {})?;
4389
4390 let pool = &*session.connection_pool().await;
4391 broadcast(
4392 Some(session.connection_id),
4393 participant_connection_ids,
4394 |connection| {
4395 session.peer.send(
4396 connection,
4397 proto::ChannelMessageUpdate {
4398 channel_id: channel_id.to_proto(),
4399 message: Some(message.clone()),
4400 },
4401 )?;
4402
4403 for notification_id in &deleted_mention_notification_ids {
4404 session.peer.send(
4405 connection,
4406 proto::DeleteNotification {
4407 notification_id: (*notification_id).to_proto(),
4408 },
4409 )?;
4410 }
4411
4412 for notification in &updated_mention_notifications {
4413 session.peer.send(
4414 connection,
4415 proto::UpdateNotification {
4416 notification: Some(notification.clone()),
4417 },
4418 )?;
4419 }
4420
4421 Ok(())
4422 },
4423 );
4424
4425 send_notifications(pool, &session.peer, notifications);
4426
4427 Ok(())
4428}
4429
4430/// Mark a channel message as read
4431async fn acknowledge_channel_message(
4432 request: proto::AckChannelMessage,
4433 session: UserSession,
4434) -> Result<()> {
4435 let channel_id = ChannelId::from_proto(request.channel_id);
4436 let message_id = MessageId::from_proto(request.message_id);
4437 let notifications = session
4438 .db()
4439 .await
4440 .observe_channel_message(channel_id, session.user_id(), message_id)
4441 .await?;
4442 send_notifications(
4443 &*session.connection_pool().await,
4444 &session.peer,
4445 notifications,
4446 );
4447 Ok(())
4448}
4449
4450/// Mark a buffer version as synced
4451async fn acknowledge_buffer_version(
4452 request: proto::AckBufferOperation,
4453 session: UserSession,
4454) -> Result<()> {
4455 let buffer_id = BufferId::from_proto(request.buffer_id);
4456 session
4457 .db()
4458 .await
4459 .observe_buffer_version(
4460 buffer_id,
4461 session.user_id(),
4462 request.epoch as i32,
4463 &request.version,
4464 )
4465 .await?;
4466 Ok(())
4467}
4468
4469async fn count_language_model_tokens(
4470 request: proto::CountLanguageModelTokens,
4471 response: Response<proto::CountLanguageModelTokens>,
4472 session: Session,
4473 config: &Config,
4474) -> Result<()> {
4475 let Some(session) = session.for_user() else {
4476 return Err(anyhow!("user not found"))?;
4477 };
4478 authorize_access_to_legacy_llm_endpoints(&session).await?;
4479
4480 let rate_limit: Box<dyn RateLimit> = match session.current_plan(&session.db().await).await? {
4481 proto::Plan::ZedPro => Box::new(ZedProCountLanguageModelTokensRateLimit),
4482 proto::Plan::Free => Box::new(FreeCountLanguageModelTokensRateLimit),
4483 };
4484
4485 session
4486 .app_state
4487 .rate_limiter
4488 .check(&*rate_limit, session.user_id())
4489 .await?;
4490
4491 let result = match proto::LanguageModelProvider::from_i32(request.provider) {
4492 Some(proto::LanguageModelProvider::Google) => {
4493 let api_key = config
4494 .google_ai_api_key
4495 .as_ref()
4496 .context("no Google AI API key configured on the server")?;
4497 google_ai::count_tokens(
4498 session.http_client.as_ref(),
4499 google_ai::API_URL,
4500 api_key,
4501 serde_json::from_str(&request.request)?,
4502 None,
4503 )
4504 .await?
4505 }
4506 _ => return Err(anyhow!("unsupported provider"))?,
4507 };
4508
4509 response.send(proto::CountLanguageModelTokensResponse {
4510 token_count: result.total_tokens as u32,
4511 })?;
4512
4513 Ok(())
4514}
4515
4516struct ZedProCountLanguageModelTokensRateLimit;
4517
4518impl RateLimit for ZedProCountLanguageModelTokensRateLimit {
4519 fn capacity(&self) -> usize {
4520 std::env::var("COUNT_LANGUAGE_MODEL_TOKENS_RATE_LIMIT_PER_HOUR")
4521 .ok()
4522 .and_then(|v| v.parse().ok())
4523 .unwrap_or(600) // Picked arbitrarily
4524 }
4525
4526 fn refill_duration(&self) -> chrono::Duration {
4527 chrono::Duration::hours(1)
4528 }
4529
4530 fn db_name(&self) -> &'static str {
4531 "zed-pro:count-language-model-tokens"
4532 }
4533}
4534
4535struct FreeCountLanguageModelTokensRateLimit;
4536
4537impl RateLimit for FreeCountLanguageModelTokensRateLimit {
4538 fn capacity(&self) -> usize {
4539 std::env::var("COUNT_LANGUAGE_MODEL_TOKENS_RATE_LIMIT_PER_HOUR_FREE")
4540 .ok()
4541 .and_then(|v| v.parse().ok())
4542 .unwrap_or(600 / 10) // Picked arbitrarily
4543 }
4544
4545 fn refill_duration(&self) -> chrono::Duration {
4546 chrono::Duration::hours(1)
4547 }
4548
4549 fn db_name(&self) -> &'static str {
4550 "free:count-language-model-tokens"
4551 }
4552}
4553
4554struct ZedProComputeEmbeddingsRateLimit;
4555
4556impl RateLimit for ZedProComputeEmbeddingsRateLimit {
4557 fn capacity(&self) -> usize {
4558 std::env::var("EMBED_TEXTS_RATE_LIMIT_PER_HOUR")
4559 .ok()
4560 .and_then(|v| v.parse().ok())
4561 .unwrap_or(5000) // Picked arbitrarily
4562 }
4563
4564 fn refill_duration(&self) -> chrono::Duration {
4565 chrono::Duration::hours(1)
4566 }
4567
4568 fn db_name(&self) -> &'static str {
4569 "zed-pro:compute-embeddings"
4570 }
4571}
4572
4573struct FreeComputeEmbeddingsRateLimit;
4574
4575impl RateLimit for FreeComputeEmbeddingsRateLimit {
4576 fn capacity(&self) -> usize {
4577 std::env::var("EMBED_TEXTS_RATE_LIMIT_PER_HOUR_FREE")
4578 .ok()
4579 .and_then(|v| v.parse().ok())
4580 .unwrap_or(5000 / 10) // Picked arbitrarily
4581 }
4582
4583 fn refill_duration(&self) -> chrono::Duration {
4584 chrono::Duration::hours(1)
4585 }
4586
4587 fn db_name(&self) -> &'static str {
4588 "free:compute-embeddings"
4589 }
4590}
4591
4592async fn compute_embeddings(
4593 request: proto::ComputeEmbeddings,
4594 response: Response<proto::ComputeEmbeddings>,
4595 session: UserSession,
4596 api_key: Option<Arc<str>>,
4597) -> Result<()> {
4598 let api_key = api_key.context("no OpenAI API key configured on the server")?;
4599 authorize_access_to_legacy_llm_endpoints(&session).await?;
4600
4601 let rate_limit: Box<dyn RateLimit> = match session.current_plan(&session.db().await).await? {
4602 proto::Plan::ZedPro => Box::new(ZedProComputeEmbeddingsRateLimit),
4603 proto::Plan::Free => Box::new(FreeComputeEmbeddingsRateLimit),
4604 };
4605
4606 session
4607 .app_state
4608 .rate_limiter
4609 .check(&*rate_limit, session.user_id())
4610 .await?;
4611
4612 let embeddings = match request.model.as_str() {
4613 "openai/text-embedding-3-small" => {
4614 open_ai::embed(
4615 session.http_client.as_ref(),
4616 OPEN_AI_API_URL,
4617 &api_key,
4618 OpenAiEmbeddingModel::TextEmbedding3Small,
4619 request.texts.iter().map(|text| text.as_str()),
4620 )
4621 .await?
4622 }
4623 provider => return Err(anyhow!("unsupported embedding provider {:?}", provider))?,
4624 };
4625
4626 let embeddings = request
4627 .texts
4628 .iter()
4629 .map(|text| {
4630 let mut hasher = sha2::Sha256::new();
4631 hasher.update(text.as_bytes());
4632 let result = hasher.finalize();
4633 result.to_vec()
4634 })
4635 .zip(
4636 embeddings
4637 .data
4638 .into_iter()
4639 .map(|embedding| embedding.embedding),
4640 )
4641 .collect::<HashMap<_, _>>();
4642
4643 let db = session.db().await;
4644 db.save_embeddings(&request.model, &embeddings)
4645 .await
4646 .context("failed to save embeddings")
4647 .trace_err();
4648
4649 response.send(proto::ComputeEmbeddingsResponse {
4650 embeddings: embeddings
4651 .into_iter()
4652 .map(|(digest, dimensions)| proto::Embedding { digest, dimensions })
4653 .collect(),
4654 })?;
4655 Ok(())
4656}
4657
4658async fn get_cached_embeddings(
4659 request: proto::GetCachedEmbeddings,
4660 response: Response<proto::GetCachedEmbeddings>,
4661 session: UserSession,
4662) -> Result<()> {
4663 authorize_access_to_legacy_llm_endpoints(&session).await?;
4664
4665 let db = session.db().await;
4666 let embeddings = db.get_embeddings(&request.model, &request.digests).await?;
4667
4668 response.send(proto::GetCachedEmbeddingsResponse {
4669 embeddings: embeddings
4670 .into_iter()
4671 .map(|(digest, dimensions)| proto::Embedding { digest, dimensions })
4672 .collect(),
4673 })?;
4674 Ok(())
4675}
4676
4677/// This is leftover from before the LLM service.
4678///
4679/// The endpoints protected by this check will be moved there eventually.
4680async fn authorize_access_to_legacy_llm_endpoints(session: &UserSession) -> Result<(), Error> {
4681 if session.is_staff() {
4682 Ok(())
4683 } else {
4684 Err(anyhow!("permission denied"))?
4685 }
4686}
4687
4688/// Get a Supermaven API key for the user
4689async fn get_supermaven_api_key(
4690 _request: proto::GetSupermavenApiKey,
4691 response: Response<proto::GetSupermavenApiKey>,
4692 session: UserSession,
4693) -> Result<()> {
4694 let user_id: String = session.user_id().to_string();
4695 if !session.is_staff() {
4696 return Err(anyhow!("supermaven not enabled for this account"))?;
4697 }
4698
4699 let email = session
4700 .email()
4701 .ok_or_else(|| anyhow!("user must have an email"))?;
4702
4703 let supermaven_admin_api = session
4704 .supermaven_client
4705 .as_ref()
4706 .ok_or_else(|| anyhow!("supermaven not configured"))?;
4707
4708 let result = supermaven_admin_api
4709 .try_get_or_create_user(CreateExternalUserRequest { id: user_id, email })
4710 .await?;
4711
4712 response.send(proto::GetSupermavenApiKeyResponse {
4713 api_key: result.api_key,
4714 })?;
4715
4716 Ok(())
4717}
4718
4719/// Start receiving chat updates for a channel
4720async fn join_channel_chat(
4721 request: proto::JoinChannelChat,
4722 response: Response<proto::JoinChannelChat>,
4723 session: UserSession,
4724) -> Result<()> {
4725 let channel_id = ChannelId::from_proto(request.channel_id);
4726
4727 let db = session.db().await;
4728 db.join_channel_chat(channel_id, session.connection_id, session.user_id())
4729 .await?;
4730 let messages = db
4731 .get_channel_messages(channel_id, session.user_id(), MESSAGE_COUNT_PER_PAGE, None)
4732 .await?;
4733 response.send(proto::JoinChannelChatResponse {
4734 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4735 messages,
4736 })?;
4737 Ok(())
4738}
4739
4740/// Stop receiving chat updates for a channel
4741async fn leave_channel_chat(request: proto::LeaveChannelChat, session: UserSession) -> Result<()> {
4742 let channel_id = ChannelId::from_proto(request.channel_id);
4743 session
4744 .db()
4745 .await
4746 .leave_channel_chat(channel_id, session.connection_id, session.user_id())
4747 .await?;
4748 Ok(())
4749}
4750
4751/// Retrieve the chat history for a channel
4752async fn get_channel_messages(
4753 request: proto::GetChannelMessages,
4754 response: Response<proto::GetChannelMessages>,
4755 session: UserSession,
4756) -> Result<()> {
4757 let channel_id = ChannelId::from_proto(request.channel_id);
4758 let messages = session
4759 .db()
4760 .await
4761 .get_channel_messages(
4762 channel_id,
4763 session.user_id(),
4764 MESSAGE_COUNT_PER_PAGE,
4765 Some(MessageId::from_proto(request.before_message_id)),
4766 )
4767 .await?;
4768 response.send(proto::GetChannelMessagesResponse {
4769 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4770 messages,
4771 })?;
4772 Ok(())
4773}
4774
4775/// Retrieve specific chat messages
4776async fn get_channel_messages_by_id(
4777 request: proto::GetChannelMessagesById,
4778 response: Response<proto::GetChannelMessagesById>,
4779 session: UserSession,
4780) -> Result<()> {
4781 let message_ids = request
4782 .message_ids
4783 .iter()
4784 .map(|id| MessageId::from_proto(*id))
4785 .collect::<Vec<_>>();
4786 let messages = session
4787 .db()
4788 .await
4789 .get_channel_messages_by_id(session.user_id(), &message_ids)
4790 .await?;
4791 response.send(proto::GetChannelMessagesResponse {
4792 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4793 messages,
4794 })?;
4795 Ok(())
4796}
4797
4798/// Retrieve the current users notifications
4799async fn get_notifications(
4800 request: proto::GetNotifications,
4801 response: Response<proto::GetNotifications>,
4802 session: UserSession,
4803) -> Result<()> {
4804 let notifications = session
4805 .db()
4806 .await
4807 .get_notifications(
4808 session.user_id(),
4809 NOTIFICATION_COUNT_PER_PAGE,
4810 request.before_id.map(db::NotificationId::from_proto),
4811 )
4812 .await?;
4813 response.send(proto::GetNotificationsResponse {
4814 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
4815 notifications,
4816 })?;
4817 Ok(())
4818}
4819
4820/// Mark notifications as read
4821async fn mark_notification_as_read(
4822 request: proto::MarkNotificationRead,
4823 response: Response<proto::MarkNotificationRead>,
4824 session: UserSession,
4825) -> Result<()> {
4826 let database = &session.db().await;
4827 let notifications = database
4828 .mark_notification_as_read_by_id(
4829 session.user_id(),
4830 NotificationId::from_proto(request.notification_id),
4831 )
4832 .await?;
4833 send_notifications(
4834 &*session.connection_pool().await,
4835 &session.peer,
4836 notifications,
4837 );
4838 response.send(proto::Ack {})?;
4839 Ok(())
4840}
4841
4842/// Get the current users information
4843async fn get_private_user_info(
4844 _request: proto::GetPrivateUserInfo,
4845 response: Response<proto::GetPrivateUserInfo>,
4846 session: UserSession,
4847) -> Result<()> {
4848 let db = session.db().await;
4849
4850 let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
4851 let user = db
4852 .get_user_by_id(session.user_id())
4853 .await?
4854 .ok_or_else(|| anyhow!("user not found"))?;
4855 let flags = db.get_user_flags(session.user_id()).await?;
4856
4857 response.send(proto::GetPrivateUserInfoResponse {
4858 metrics_id,
4859 staff: user.admin,
4860 flags,
4861 accepted_tos_at: user.accepted_tos_at.map(|t| t.and_utc().timestamp() as u64),
4862 })?;
4863 Ok(())
4864}
4865
4866/// Accept the terms of service (tos) on behalf of the current user
4867async fn accept_terms_of_service(
4868 _request: proto::AcceptTermsOfService,
4869 response: Response<proto::AcceptTermsOfService>,
4870 session: UserSession,
4871) -> Result<()> {
4872 let db = session.db().await;
4873
4874 let accepted_tos_at = Utc::now();
4875 db.set_user_accepted_tos_at(session.user_id(), Some(accepted_tos_at.naive_utc()))
4876 .await?;
4877
4878 response.send(proto::AcceptTermsOfServiceResponse {
4879 accepted_tos_at: accepted_tos_at.timestamp() as u64,
4880 })?;
4881 Ok(())
4882}
4883
4884/// The minimum account age an account must have in order to use the LLM service.
4885const MIN_ACCOUNT_AGE_FOR_LLM_USE: chrono::Duration = chrono::Duration::days(30);
4886
4887async fn get_llm_api_token(
4888 _request: proto::GetLlmToken,
4889 response: Response<proto::GetLlmToken>,
4890 session: UserSession,
4891) -> Result<()> {
4892 let db = session.db().await;
4893
4894 let flags = db.get_user_flags(session.user_id()).await?;
4895 let has_language_models_feature_flag = flags.iter().any(|flag| flag == "language-models");
4896 let has_llm_closed_beta_feature_flag = flags.iter().any(|flag| flag == "llm-closed-beta");
4897
4898 if !session.is_staff() && !has_language_models_feature_flag {
4899 Err(anyhow!("permission denied"))?
4900 }
4901
4902 let user_id = session.user_id();
4903 let user = db
4904 .get_user_by_id(user_id)
4905 .await?
4906 .ok_or_else(|| anyhow!("user {} not found", user_id))?;
4907
4908 if user.accepted_tos_at.is_none() {
4909 Err(anyhow!("terms of service not accepted"))?
4910 }
4911
4912 let mut account_created_at = user.created_at;
4913 if let Some(github_created_at) = user.github_user_created_at {
4914 account_created_at = account_created_at.min(github_created_at);
4915 }
4916 if Utc::now().naive_utc() - account_created_at < MIN_ACCOUNT_AGE_FOR_LLM_USE {
4917 Err(anyhow!("account too young"))?
4918 }
4919
4920 let billing_preferences = db.get_billing_preferences(user.id).await?;
4921
4922 let token = LlmTokenClaims::create(
4923 &user,
4924 session.is_staff(),
4925 billing_preferences,
4926 has_llm_closed_beta_feature_flag,
4927 session.has_llm_subscription(&db).await?,
4928 session.current_plan(&db).await?,
4929 &session.app_state.config,
4930 )?;
4931 response.send(proto::GetLlmTokenResponse { token })?;
4932 Ok(())
4933}
4934
4935fn to_axum_message(message: TungsteniteMessage) -> anyhow::Result<AxumMessage> {
4936 let message = match message {
4937 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload),
4938 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload),
4939 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload),
4940 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload),
4941 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
4942 code: frame.code.into(),
4943 reason: frame.reason,
4944 })),
4945 // We should never receive a frame while reading the message, according
4946 // to the `tungstenite` maintainers:
4947 //
4948 // > It cannot occur when you read messages from the WebSocket, but it
4949 // > can be used when you want to send the raw frames (e.g. you want to
4950 // > send the frames to the WebSocket without composing the full message first).
4951 // >
4952 // > — https://github.com/snapview/tungstenite-rs/issues/268
4953 TungsteniteMessage::Frame(_) => {
4954 bail!("received an unexpected frame while reading the message")
4955 }
4956 };
4957
4958 Ok(message)
4959}
4960
4961fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
4962 match message {
4963 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload),
4964 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload),
4965 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload),
4966 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload),
4967 AxumMessage::Close(frame) => {
4968 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
4969 code: frame.code.into(),
4970 reason: frame.reason,
4971 }))
4972 }
4973 }
4974}
4975
4976fn notify_membership_updated(
4977 connection_pool: &mut ConnectionPool,
4978 result: MembershipUpdated,
4979 user_id: UserId,
4980 peer: &Peer,
4981) {
4982 for membership in &result.new_channels.channel_memberships {
4983 connection_pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
4984 }
4985 for channel_id in &result.removed_channels {
4986 connection_pool.unsubscribe_from_channel(&user_id, channel_id)
4987 }
4988
4989 let user_channels_update = proto::UpdateUserChannels {
4990 channel_memberships: result
4991 .new_channels
4992 .channel_memberships
4993 .iter()
4994 .map(|cm| proto::ChannelMembership {
4995 channel_id: cm.channel_id.to_proto(),
4996 role: cm.role.into(),
4997 })
4998 .collect(),
4999 ..Default::default()
5000 };
5001
5002 let mut update = build_channels_update(result.new_channels);
5003 update.delete_channels = result
5004 .removed_channels
5005 .into_iter()
5006 .map(|id| id.to_proto())
5007 .collect();
5008 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
5009
5010 for connection_id in connection_pool.user_connection_ids(user_id) {
5011 peer.send(connection_id, user_channels_update.clone())
5012 .trace_err();
5013 peer.send(connection_id, update.clone()).trace_err();
5014 }
5015}
5016
5017fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserChannels {
5018 proto::UpdateUserChannels {
5019 channel_memberships: channels
5020 .channel_memberships
5021 .iter()
5022 .map(|m| proto::ChannelMembership {
5023 channel_id: m.channel_id.to_proto(),
5024 role: m.role.into(),
5025 })
5026 .collect(),
5027 observed_channel_buffer_version: channels.observed_buffer_versions.clone(),
5028 observed_channel_message_id: channels.observed_channel_messages.clone(),
5029 }
5030}
5031
5032fn build_channels_update(channels: ChannelsForUser) -> proto::UpdateChannels {
5033 let mut update = proto::UpdateChannels::default();
5034
5035 for channel in channels.channels {
5036 update.channels.push(channel.to_proto());
5037 }
5038
5039 update.latest_channel_buffer_versions = channels.latest_buffer_versions;
5040 update.latest_channel_message_ids = channels.latest_channel_messages;
5041
5042 for (channel_id, participants) in channels.channel_participants {
5043 update
5044 .channel_participants
5045 .push(proto::ChannelParticipants {
5046 channel_id: channel_id.to_proto(),
5047 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
5048 });
5049 }
5050
5051 for channel in channels.invited_channels {
5052 update.channel_invitations.push(channel.to_proto());
5053 }
5054
5055 update.hosted_projects = channels.hosted_projects;
5056 update
5057}
5058
5059fn build_initial_contacts_update(
5060 contacts: Vec<db::Contact>,
5061 pool: &ConnectionPool,
5062) -> proto::UpdateContacts {
5063 let mut update = proto::UpdateContacts::default();
5064
5065 for contact in contacts {
5066 match contact {
5067 db::Contact::Accepted { user_id, busy } => {
5068 update.contacts.push(contact_for_user(user_id, busy, pool));
5069 }
5070 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
5071 db::Contact::Incoming { user_id } => {
5072 update
5073 .incoming_requests
5074 .push(proto::IncomingContactRequest {
5075 requester_id: user_id.to_proto(),
5076 })
5077 }
5078 }
5079 }
5080
5081 update
5082}
5083
5084fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
5085 proto::Contact {
5086 user_id: user_id.to_proto(),
5087 online: pool.is_user_online(user_id),
5088 busy,
5089 }
5090}
5091
5092fn room_updated(room: &proto::Room, peer: &Peer) {
5093 broadcast(
5094 None,
5095 room.participants
5096 .iter()
5097 .filter_map(|participant| Some(participant.peer_id?.into())),
5098 |peer_id| {
5099 peer.send(
5100 peer_id,
5101 proto::RoomUpdated {
5102 room: Some(room.clone()),
5103 },
5104 )
5105 },
5106 );
5107}
5108
5109fn channel_updated(
5110 channel: &db::channel::Model,
5111 room: &proto::Room,
5112 peer: &Peer,
5113 pool: &ConnectionPool,
5114) {
5115 let participants = room
5116 .participants
5117 .iter()
5118 .map(|p| p.user_id)
5119 .collect::<Vec<_>>();
5120
5121 broadcast(
5122 None,
5123 pool.channel_connection_ids(channel.root_id())
5124 .filter_map(|(channel_id, role)| {
5125 role.can_see_channel(channel.visibility)
5126 .then_some(channel_id)
5127 }),
5128 |peer_id| {
5129 peer.send(
5130 peer_id,
5131 proto::UpdateChannels {
5132 channel_participants: vec![proto::ChannelParticipants {
5133 channel_id: channel.id.to_proto(),
5134 participant_user_ids: participants.clone(),
5135 }],
5136 ..Default::default()
5137 },
5138 )
5139 },
5140 );
5141}
5142
5143async fn send_dev_server_projects_update(
5144 user_id: UserId,
5145 mut status: proto::DevServerProjectsUpdate,
5146 session: &Session,
5147) {
5148 let pool = session.connection_pool().await;
5149 for dev_server in &mut status.dev_servers {
5150 dev_server.status =
5151 pool.dev_server_status(DevServerId(dev_server.dev_server_id as i32)) as i32;
5152 }
5153 let connections = pool.user_connection_ids(user_id);
5154 for connection_id in connections {
5155 session.peer.send(connection_id, status.clone()).trace_err();
5156 }
5157}
5158
5159async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
5160 let db = session.db().await;
5161
5162 let contacts = db.get_contacts(user_id).await?;
5163 let busy = db.is_user_busy(user_id).await?;
5164
5165 let pool = session.connection_pool().await;
5166 let updated_contact = contact_for_user(user_id, busy, &pool);
5167 for contact in contacts {
5168 if let db::Contact::Accepted {
5169 user_id: contact_user_id,
5170 ..
5171 } = contact
5172 {
5173 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
5174 session
5175 .peer
5176 .send(
5177 contact_conn_id,
5178 proto::UpdateContacts {
5179 contacts: vec![updated_contact.clone()],
5180 remove_contacts: Default::default(),
5181 incoming_requests: Default::default(),
5182 remove_incoming_requests: Default::default(),
5183 outgoing_requests: Default::default(),
5184 remove_outgoing_requests: Default::default(),
5185 },
5186 )
5187 .trace_err();
5188 }
5189 }
5190 }
5191 Ok(())
5192}
5193
5194async fn lost_dev_server_connection(session: &DevServerSession) -> Result<()> {
5195 log::info!("lost dev server connection, unsharing projects");
5196 let project_ids = session
5197 .db()
5198 .await
5199 .get_stale_dev_server_projects(session.connection_id)
5200 .await?;
5201
5202 for project_id in project_ids {
5203 // not unshare re-checks the connection ids match, so we get away with no transaction
5204 unshare_project_internal(project_id, session.connection_id, None, session).await?;
5205 }
5206
5207 let user_id = session.dev_server().user_id;
5208 let update = session
5209 .db()
5210 .await
5211 .dev_server_projects_update(user_id)
5212 .await?;
5213
5214 send_dev_server_projects_update(user_id, update, session).await;
5215
5216 Ok(())
5217}
5218
5219async fn leave_room_for_session(session: &UserSession, connection_id: ConnectionId) -> Result<()> {
5220 let mut contacts_to_update = HashSet::default();
5221
5222 let room_id;
5223 let canceled_calls_to_user_ids;
5224 let live_kit_room;
5225 let delete_live_kit_room;
5226 let room;
5227 let channel;
5228
5229 if let Some(mut left_room) = session.db().await.leave_room(connection_id).await? {
5230 contacts_to_update.insert(session.user_id());
5231
5232 for project in left_room.left_projects.values() {
5233 project_left(project, session);
5234 }
5235
5236 room_id = RoomId::from_proto(left_room.room.id);
5237 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
5238 live_kit_room = mem::take(&mut left_room.room.live_kit_room);
5239 delete_live_kit_room = left_room.deleted;
5240 room = mem::take(&mut left_room.room);
5241 channel = mem::take(&mut left_room.channel);
5242
5243 room_updated(&room, &session.peer);
5244 } else {
5245 return Ok(());
5246 }
5247
5248 if let Some(channel) = channel {
5249 channel_updated(
5250 &channel,
5251 &room,
5252 &session.peer,
5253 &*session.connection_pool().await,
5254 );
5255 }
5256
5257 {
5258 let pool = session.connection_pool().await;
5259 for canceled_user_id in canceled_calls_to_user_ids {
5260 for connection_id in pool.user_connection_ids(canceled_user_id) {
5261 session
5262 .peer
5263 .send(
5264 connection_id,
5265 proto::CallCanceled {
5266 room_id: room_id.to_proto(),
5267 },
5268 )
5269 .trace_err();
5270 }
5271 contacts_to_update.insert(canceled_user_id);
5272 }
5273 }
5274
5275 for contact_user_id in contacts_to_update {
5276 update_user_contacts(contact_user_id, session).await?;
5277 }
5278
5279 if let Some(live_kit) = session.app_state.live_kit_client.as_ref() {
5280 live_kit
5281 .remove_participant(live_kit_room.clone(), session.user_id().to_string())
5282 .await
5283 .trace_err();
5284
5285 if delete_live_kit_room {
5286 live_kit.delete_room(live_kit_room).await.trace_err();
5287 }
5288 }
5289
5290 Ok(())
5291}
5292
5293async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
5294 let left_channel_buffers = session
5295 .db()
5296 .await
5297 .leave_channel_buffers(session.connection_id)
5298 .await?;
5299
5300 for left_buffer in left_channel_buffers {
5301 channel_buffer_updated(
5302 session.connection_id,
5303 left_buffer.connections,
5304 &proto::UpdateChannelBufferCollaborators {
5305 channel_id: left_buffer.channel_id.to_proto(),
5306 collaborators: left_buffer.collaborators,
5307 },
5308 &session.peer,
5309 );
5310 }
5311
5312 Ok(())
5313}
5314
5315fn project_left(project: &db::LeftProject, session: &UserSession) {
5316 for connection_id in &project.connection_ids {
5317 if project.should_unshare {
5318 session
5319 .peer
5320 .send(
5321 *connection_id,
5322 proto::UnshareProject {
5323 project_id: project.id.to_proto(),
5324 },
5325 )
5326 .trace_err();
5327 } else {
5328 session
5329 .peer
5330 .send(
5331 *connection_id,
5332 proto::RemoveProjectCollaborator {
5333 project_id: project.id.to_proto(),
5334 peer_id: Some(session.connection_id.into()),
5335 },
5336 )
5337 .trace_err();
5338 }
5339 }
5340}
5341
5342pub trait ResultExt {
5343 type Ok;
5344
5345 fn trace_err(self) -> Option<Self::Ok>;
5346}
5347
5348impl<T, E> ResultExt for Result<T, E>
5349where
5350 E: std::fmt::Debug,
5351{
5352 type Ok = T;
5353
5354 #[track_caller]
5355 fn trace_err(self) -> Option<T> {
5356 match self {
5357 Ok(value) => Some(value),
5358 Err(error) => {
5359 tracing::error!("{:?}", error);
5360 None
5361 }
5362 }
5363 }
5364}