1use anyhow::{anyhow, Result};
2use async_trait::async_trait;
3use collections::{BTreeMap, HashMap};
4use futures::Stream;
5use gpui::executor::Background;
6use live_kit_server::token;
7use media::core_video::CVImageBuffer;
8use parking_lot::Mutex;
9use postage::watch;
10use std::{future::Future, mem, sync::Arc};
11
12static SERVERS: Mutex<BTreeMap<String, Arc<TestServer>>> = Mutex::new(BTreeMap::new());
13
14pub struct TestServer {
15 pub url: String,
16 pub api_key: String,
17 pub secret_key: String,
18 rooms: Mutex<HashMap<String, TestServerRoom>>,
19 background: Arc<Background>,
20}
21
22impl TestServer {
23 pub fn create(
24 url: String,
25 api_key: String,
26 secret_key: String,
27 background: Arc<Background>,
28 ) -> Result<Arc<TestServer>> {
29 let mut servers = SERVERS.lock();
30 if servers.contains_key(&url) {
31 Err(anyhow!("a server with url {:?} already exists", url))
32 } else {
33 let server = Arc::new(TestServer {
34 url: url.clone(),
35 api_key,
36 secret_key,
37 rooms: Default::default(),
38 background,
39 });
40 servers.insert(url, server.clone());
41 Ok(server)
42 }
43 }
44
45 fn get(url: &str) -> Result<Arc<TestServer>> {
46 Ok(SERVERS
47 .lock()
48 .get(url)
49 .ok_or_else(|| anyhow!("no server found for url"))?
50 .clone())
51 }
52
53 pub fn teardown(&self) -> Result<()> {
54 SERVERS
55 .lock()
56 .remove(&self.url)
57 .ok_or_else(|| anyhow!("server with url {:?} does not exist", self.url))?;
58 Ok(())
59 }
60
61 pub fn create_api_client(&self) -> TestApiClient {
62 TestApiClient {
63 url: self.url.clone(),
64 }
65 }
66
67 pub async fn create_room(&self, room: String) -> Result<()> {
68 self.background.simulate_random_delay().await;
69 let mut server_rooms = self.rooms.lock();
70 if server_rooms.contains_key(&room) {
71 Err(anyhow!("room {:?} already exists", room))
72 } else {
73 server_rooms.insert(room, Default::default());
74 Ok(())
75 }
76 }
77
78 async fn delete_room(&self, room: String) -> Result<()> {
79 // TODO: clear state associated with all `Room`s.
80 self.background.simulate_random_delay().await;
81 let mut server_rooms = self.rooms.lock();
82 server_rooms
83 .remove(&room)
84 .ok_or_else(|| anyhow!("room {:?} does not exist", room))?;
85 Ok(())
86 }
87
88 async fn join_room(&self, token: String, client_room: Arc<Room>) -> Result<()> {
89 self.background.simulate_random_delay().await;
90 let claims = live_kit_server::token::validate(&token, &self.secret_key)?;
91 let identity = claims.sub.unwrap().to_string();
92 let room_name = claims.video.room.unwrap();
93 let mut server_rooms = self.rooms.lock();
94 let room = server_rooms
95 .get_mut(&*room_name)
96 .ok_or_else(|| anyhow!("room {:?} does not exist", room_name))?;
97 if room.client_rooms.contains_key(&identity) {
98 Err(anyhow!(
99 "{:?} attempted to join room {:?} twice",
100 identity,
101 room_name
102 ))
103 } else {
104 for track in &room.video_tracks {
105 client_room
106 .0
107 .lock()
108 .video_track_updates
109 .0
110 .try_broadcast(RemoteVideoTrackUpdate::Subscribed(track.clone()))
111 .unwrap();
112 }
113 room.client_rooms.insert(identity, client_room);
114 Ok(())
115 }
116 }
117
118 async fn leave_room(&self, token: String) -> Result<()> {
119 self.background.simulate_random_delay().await;
120 let claims = live_kit_server::token::validate(&token, &self.secret_key)?;
121 let identity = claims.sub.unwrap().to_string();
122 let room_name = claims.video.room.unwrap();
123 let mut server_rooms = self.rooms.lock();
124 let room = server_rooms
125 .get_mut(&*room_name)
126 .ok_or_else(|| anyhow!("room {} does not exist", room_name))?;
127 room.client_rooms.remove(&identity).ok_or_else(|| {
128 anyhow!(
129 "{:?} attempted to leave room {:?} before joining it",
130 identity,
131 room_name
132 )
133 })?;
134 Ok(())
135 }
136
137 async fn remove_participant(&self, room_name: String, identity: String) -> Result<()> {
138 // TODO: clear state associated with the `Room`.
139
140 self.background.simulate_random_delay().await;
141 let mut server_rooms = self.rooms.lock();
142 let room = server_rooms
143 .get_mut(&room_name)
144 .ok_or_else(|| anyhow!("room {} does not exist", room_name))?;
145 room.client_rooms.remove(&identity).ok_or_else(|| {
146 anyhow!(
147 "participant {:?} did not join room {:?}",
148 identity,
149 room_name
150 )
151 })?;
152 Ok(())
153 }
154
155 pub async fn disconnect_client(&self, client_identity: String) {
156 self.background.simulate_random_delay().await;
157 let mut server_rooms = self.rooms.lock();
158 for room in server_rooms.values_mut() {
159 if let Some(room) = room.client_rooms.remove(&client_identity) {
160 *room.0.lock().connection.0.borrow_mut() = ConnectionState::Disconnected;
161 }
162 }
163 }
164
165 async fn publish_video_track(&self, token: String, local_track: LocalVideoTrack) -> Result<()> {
166 self.background.simulate_random_delay().await;
167 let claims = live_kit_server::token::validate(&token, &self.secret_key)?;
168 let identity = claims.sub.unwrap().to_string();
169 let room_name = claims.video.room.unwrap();
170
171 let mut server_rooms = self.rooms.lock();
172 let room = server_rooms
173 .get_mut(&*room_name)
174 .ok_or_else(|| anyhow!("room {} does not exist", room_name))?;
175
176 let track = Arc::new(RemoteVideoTrack {
177 sid: nanoid::nanoid!(17),
178 publisher_id: identity.clone(),
179 frames_rx: local_track.frames_rx.clone(),
180 });
181
182 room.video_tracks.push(track.clone());
183
184 for (id, client_room) in &room.client_rooms {
185 if *id != identity {
186 let _ = client_room
187 .0
188 .lock()
189 .video_track_updates
190 .0
191 .try_broadcast(RemoteVideoTrackUpdate::Subscribed(track.clone()))
192 .unwrap();
193 }
194 }
195
196 Ok(())
197 }
198
199 async fn publish_audio_track(
200 &self,
201 token: String,
202 _local_track: &LocalAudioTrack,
203 ) -> Result<()> {
204 self.background.simulate_random_delay().await;
205 let claims = live_kit_server::token::validate(&token, &self.secret_key)?;
206 let identity = claims.sub.unwrap().to_string();
207 let room_name = claims.video.room.unwrap();
208
209 let mut server_rooms = self.rooms.lock();
210 let room = server_rooms
211 .get_mut(&*room_name)
212 .ok_or_else(|| anyhow!("room {} does not exist", room_name))?;
213
214 let track = Arc::new(RemoteAudioTrack {
215 sid: nanoid::nanoid!(17),
216 publisher_id: identity.clone(),
217 });
218
219 room.audio_tracks.push(track.clone());
220
221 for (id, client_room) in &room.client_rooms {
222 if *id != identity {
223 let _ = client_room
224 .0
225 .lock()
226 .audio_track_updates
227 .0
228 .try_broadcast(RemoteAudioTrackUpdate::Subscribed(track.clone()))
229 .unwrap();
230 }
231 }
232
233 Ok(())
234 }
235
236 fn video_tracks(&self, token: String) -> Result<Vec<Arc<RemoteVideoTrack>>> {
237 let claims = live_kit_server::token::validate(&token, &self.secret_key)?;
238 let room_name = claims.video.room.unwrap();
239
240 let mut server_rooms = self.rooms.lock();
241 let room = server_rooms
242 .get_mut(&*room_name)
243 .ok_or_else(|| anyhow!("room {} does not exist", room_name))?;
244 Ok(room.video_tracks.clone())
245 }
246
247 fn audio_tracks(&self, token: String) -> Result<Vec<Arc<RemoteAudioTrack>>> {
248 let claims = live_kit_server::token::validate(&token, &self.secret_key)?;
249 let room_name = claims.video.room.unwrap();
250
251 let mut server_rooms = self.rooms.lock();
252 let room = server_rooms
253 .get_mut(&*room_name)
254 .ok_or_else(|| anyhow!("room {} does not exist", room_name))?;
255 Ok(room.audio_tracks.clone())
256 }
257}
258
259#[derive(Default)]
260struct TestServerRoom {
261 client_rooms: HashMap<Sid, Arc<Room>>,
262 video_tracks: Vec<Arc<RemoteVideoTrack>>,
263 audio_tracks: Vec<Arc<RemoteAudioTrack>>,
264}
265
266impl TestServerRoom {}
267
268pub struct TestApiClient {
269 url: String,
270}
271
272#[async_trait]
273impl live_kit_server::api::Client for TestApiClient {
274 fn url(&self) -> &str {
275 &self.url
276 }
277
278 async fn create_room(&self, name: String) -> Result<()> {
279 let server = TestServer::get(&self.url)?;
280 server.create_room(name).await?;
281 Ok(())
282 }
283
284 async fn delete_room(&self, name: String) -> Result<()> {
285 let server = TestServer::get(&self.url)?;
286 server.delete_room(name).await?;
287 Ok(())
288 }
289
290 async fn remove_participant(&self, room: String, identity: String) -> Result<()> {
291 let server = TestServer::get(&self.url)?;
292 server.remove_participant(room, identity).await?;
293 Ok(())
294 }
295
296 fn room_token(&self, room: &str, identity: &str) -> Result<String> {
297 let server = TestServer::get(&self.url)?;
298 token::create(
299 &server.api_key,
300 &server.secret_key,
301 Some(identity),
302 token::VideoGrant::to_join(room),
303 )
304 }
305}
306
307pub type Sid = String;
308
309struct RoomState {
310 connection: (
311 watch::Sender<ConnectionState>,
312 watch::Receiver<ConnectionState>,
313 ),
314 display_sources: Vec<MacOSDisplay>,
315 audio_track_updates: (
316 async_broadcast::Sender<RemoteAudioTrackUpdate>,
317 async_broadcast::Receiver<RemoteAudioTrackUpdate>,
318 ),
319 video_track_updates: (
320 async_broadcast::Sender<RemoteVideoTrackUpdate>,
321 async_broadcast::Receiver<RemoteVideoTrackUpdate>,
322 ),
323}
324
325#[derive(Clone, Eq, PartialEq)]
326pub enum ConnectionState {
327 Disconnected,
328 Connected { url: String, token: String },
329}
330
331pub struct Room(Mutex<RoomState>);
332
333impl Room {
334 pub fn new() -> Arc<Self> {
335 Arc::new(Self(Mutex::new(RoomState {
336 connection: watch::channel_with(ConnectionState::Disconnected),
337 display_sources: Default::default(),
338 video_track_updates: async_broadcast::broadcast(128),
339 audio_track_updates: async_broadcast::broadcast(128),
340 })))
341 }
342
343 pub fn status(&self) -> watch::Receiver<ConnectionState> {
344 self.0.lock().connection.1.clone()
345 }
346
347 pub fn connect(self: &Arc<Self>, url: &str, token: &str) -> impl Future<Output = Result<()>> {
348 let this = self.clone();
349 let url = url.to_string();
350 let token = token.to_string();
351 async move {
352 let server = TestServer::get(&url)?;
353 server.join_room(token.clone(), this.clone()).await?;
354 *this.0.lock().connection.0.borrow_mut() = ConnectionState::Connected { url, token };
355 Ok(())
356 }
357 }
358
359 pub fn display_sources(self: &Arc<Self>) -> impl Future<Output = Result<Vec<MacOSDisplay>>> {
360 let this = self.clone();
361 async move {
362 let server = this.test_server();
363 server.background.simulate_random_delay().await;
364 Ok(this.0.lock().display_sources.clone())
365 }
366 }
367
368 pub fn publish_video_track(
369 self: &Arc<Self>,
370 track: &LocalVideoTrack,
371 ) -> impl Future<Output = Result<LocalTrackPublication>> {
372 let this = self.clone();
373 let track = track.clone();
374 async move {
375 this.test_server()
376 .publish_video_track(this.token(), track)
377 .await?;
378 Ok(LocalTrackPublication)
379 }
380 }
381 pub fn publish_audio_track(
382 self: &Arc<Self>,
383 track: &LocalAudioTrack,
384 ) -> impl Future<Output = Result<LocalTrackPublication>> {
385 let this = self.clone();
386 let track = track.clone();
387 async move {
388 this.test_server()
389 .publish_audio_track(this.token(), &track)
390 .await?;
391 Ok(LocalTrackPublication)
392 }
393 }
394
395 pub fn unpublish_track(&self, _publication: LocalTrackPublication) {}
396
397 pub fn remote_audio_tracks(&self, publisher_id: &str) -> Vec<Arc<RemoteAudioTrack>> {
398 if !self.is_connected() {
399 return Vec::new();
400 }
401
402 self.test_server()
403 .audio_tracks(self.token())
404 .unwrap()
405 .into_iter()
406 .filter(|track| track.publisher_id() == publisher_id)
407 .collect()
408 }
409
410 pub fn remote_audio_track_publications(
411 &self,
412 publisher_id: &str,
413 ) -> Vec<Arc<RemoteTrackPublication>> {
414 if !self.is_connected() {
415 return Vec::new();
416 }
417
418 self.test_server()
419 .audio_tracks(self.token())
420 .unwrap()
421 .into_iter()
422 .filter(|track| track.publisher_id() == publisher_id)
423 .map(|_track| Arc::new(RemoteTrackPublication {}))
424 .collect()
425 }
426
427 pub fn remote_video_tracks(&self, publisher_id: &str) -> Vec<Arc<RemoteVideoTrack>> {
428 if !self.is_connected() {
429 return Vec::new();
430 }
431
432 self.test_server()
433 .video_tracks(self.token())
434 .unwrap()
435 .into_iter()
436 .filter(|track| track.publisher_id() == publisher_id)
437 .collect()
438 }
439
440 pub fn remote_audio_track_updates(&self) -> impl Stream<Item = RemoteAudioTrackUpdate> {
441 self.0.lock().audio_track_updates.1.clone()
442 }
443
444 pub fn remote_video_track_updates(&self) -> impl Stream<Item = RemoteVideoTrackUpdate> {
445 self.0.lock().video_track_updates.1.clone()
446 }
447
448 pub fn set_display_sources(&self, sources: Vec<MacOSDisplay>) {
449 self.0.lock().display_sources = sources;
450 }
451
452 fn test_server(&self) -> Arc<TestServer> {
453 match self.0.lock().connection.1.borrow().clone() {
454 ConnectionState::Disconnected => panic!("must be connected to call this method"),
455 ConnectionState::Connected { url, .. } => TestServer::get(&url).unwrap(),
456 }
457 }
458
459 fn token(&self) -> String {
460 match self.0.lock().connection.1.borrow().clone() {
461 ConnectionState::Disconnected => panic!("must be connected to call this method"),
462 ConnectionState::Connected { token, .. } => token,
463 }
464 }
465
466 fn is_connected(&self) -> bool {
467 match *self.0.lock().connection.1.borrow() {
468 ConnectionState::Disconnected => false,
469 ConnectionState::Connected { .. } => true,
470 }
471 }
472}
473
474impl Drop for Room {
475 fn drop(&mut self) {
476 if let ConnectionState::Connected { token, .. } = mem::replace(
477 &mut *self.0.lock().connection.0.borrow_mut(),
478 ConnectionState::Disconnected,
479 ) {
480 if let Ok(server) = TestServer::get(&token) {
481 let background = server.background.clone();
482 background
483 .spawn(async move { server.leave_room(token).await.unwrap() })
484 .detach();
485 }
486 }
487 }
488}
489
490pub struct LocalTrackPublication;
491
492impl LocalTrackPublication {
493 pub fn set_mute(&self, _mute: bool) -> impl Future<Output = Result<()>> {
494 async { Ok(()) }
495 }
496}
497
498pub struct RemoteTrackPublication;
499
500impl RemoteTrackPublication {
501 pub fn set_enabled(&self, _enabled: bool) -> impl Future<Output = Result<()>> {
502 async { Ok(()) }
503 }
504}
505
506#[derive(Clone)]
507pub struct LocalVideoTrack {
508 frames_rx: async_broadcast::Receiver<Frame>,
509}
510
511impl LocalVideoTrack {
512 pub fn screen_share_for_display(display: &MacOSDisplay) -> Self {
513 Self {
514 frames_rx: display.frames.1.clone(),
515 }
516 }
517}
518
519#[derive(Clone)]
520pub struct LocalAudioTrack;
521
522impl LocalAudioTrack {
523 pub fn create() -> Self {
524 Self
525 }
526}
527
528pub struct RemoteVideoTrack {
529 sid: Sid,
530 publisher_id: Sid,
531 frames_rx: async_broadcast::Receiver<Frame>,
532}
533
534impl RemoteVideoTrack {
535 pub fn sid(&self) -> &str {
536 &self.sid
537 }
538
539 pub fn publisher_id(&self) -> &str {
540 &self.publisher_id
541 }
542
543 pub fn frames(&self) -> async_broadcast::Receiver<Frame> {
544 self.frames_rx.clone()
545 }
546}
547
548#[derive(Debug)]
549pub struct RemoteAudioTrack {
550 sid: Sid,
551 publisher_id: Sid,
552}
553
554impl RemoteAudioTrack {
555 pub fn sid(&self) -> &str {
556 &self.sid
557 }
558
559 pub fn publisher_id(&self) -> &str {
560 &self.publisher_id
561 }
562
563 pub fn enable(&self) -> impl Future<Output = Result<()>> {
564 async { Ok(()) }
565 }
566
567 pub fn disable(&self) -> impl Future<Output = Result<()>> {
568 async { Ok(()) }
569 }
570}
571
572#[derive(Clone)]
573pub enum RemoteVideoTrackUpdate {
574 Subscribed(Arc<RemoteVideoTrack>),
575 Unsubscribed { publisher_id: Sid, track_id: Sid },
576}
577
578#[derive(Clone)]
579pub enum RemoteAudioTrackUpdate {
580 ActiveSpeakersChanged { speakers: Vec<Sid> },
581 MuteChanged { track_id: Sid, muted: bool },
582 Subscribed(Arc<RemoteAudioTrack>),
583 Unsubscribed { publisher_id: Sid, track_id: Sid },
584}
585
586#[derive(Clone)]
587pub struct MacOSDisplay {
588 frames: (
589 async_broadcast::Sender<Frame>,
590 async_broadcast::Receiver<Frame>,
591 ),
592}
593
594impl MacOSDisplay {
595 pub fn new() -> Self {
596 Self {
597 frames: async_broadcast::broadcast(128),
598 }
599 }
600
601 pub fn send_frame(&self, frame: Frame) {
602 self.frames.0.try_broadcast(frame).unwrap();
603 }
604}
605
606#[derive(Clone, Debug, PartialEq, Eq)]
607pub struct Frame {
608 pub label: String,
609 pub width: usize,
610 pub height: usize,
611}
612
613impl Frame {
614 pub fn width(&self) -> usize {
615 self.width
616 }
617
618 pub fn height(&self) -> usize {
619 self.height
620 }
621
622 pub fn image(&self) -> CVImageBuffer {
623 unimplemented!("you can't call this in test mode")
624 }
625}