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1 | ||
2 | import * as Bluebird from 'bluebird' | |
3 | import * as chokidar from 'chokidar' | |
4 | import { FfmpegCommand } from 'fluent-ffmpeg' | |
5 | import { appendFile, ensureDir, readFile, stat } from 'fs-extra' | |
6 | import { createServer, Server } from 'net' | |
7 | import { basename, join } from 'path' | |
8 | import { isTestInstance } from '@server/helpers/core-utils' | |
9 | import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg-utils' | |
10 | import { computeResolutionsToTranscode, getVideoFileFPS, getVideoFileResolution } from '@server/helpers/ffprobe-utils' | |
11 | import { logger } from '@server/helpers/logger' | |
12 | import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config' | |
13 | import { MEMOIZE_TTL, P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE, VIEW_LIFETIME, WEBSERVER } from '@server/initializers/constants' | |
14 | import { UserModel } from '@server/models/user/user' | |
15 | import { VideoModel } from '@server/models/video/video' | |
16 | import { VideoFileModel } from '@server/models/video/video-file' | |
17 | import { VideoLiveModel } from '@server/models/video/video-live' | |
18 | import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist' | |
19 | import { MStreamingPlaylist, MStreamingPlaylistVideo, MUserId, MVideoLive, MVideoLiveVideo } from '@server/types/models' | |
20 | import { VideoState, VideoStreamingPlaylistType } from '@shared/models' | |
21 | import { federateVideoIfNeeded } from './activitypub/videos' | |
22 | import { buildSha256Segment } from './hls' | |
23 | import { JobQueue } from './job-queue' | |
24 | import { cleanupLive } from './job-queue/handlers/video-live-ending' | |
25 | import { PeerTubeSocket } from './peertube-socket' | |
26 | import { VideoTranscodingProfilesManager } from './transcoding/video-transcoding-profiles' | |
27 | import { isAbleToUploadVideo } from './user' | |
28 | import { getHLSDirectory } from './video-paths' | |
29 | ||
30 | import memoizee = require('memoizee') | |
31 | const NodeRtmpSession = require('node-media-server/node_rtmp_session') | |
32 | const context = require('node-media-server/node_core_ctx') | |
33 | const nodeMediaServerLogger = require('node-media-server/node_core_logger') | |
34 | ||
35 | // Disable node media server logs | |
36 | nodeMediaServerLogger.setLogType(0) | |
37 | ||
38 | const config = { | |
39 | rtmp: { | |
40 | port: CONFIG.LIVE.RTMP.PORT, | |
41 | chunk_size: VIDEO_LIVE.RTMP.CHUNK_SIZE, | |
42 | gop_cache: VIDEO_LIVE.RTMP.GOP_CACHE, | |
43 | ping: VIDEO_LIVE.RTMP.PING, | |
44 | ping_timeout: VIDEO_LIVE.RTMP.PING_TIMEOUT | |
45 | }, | |
46 | transcoding: { | |
47 | ffmpeg: 'ffmpeg' | |
48 | } | |
49 | } | |
50 | ||
51 | class LiveManager { | |
52 | ||
53 | private static instance: LiveManager | |
54 | ||
55 | private readonly transSessions = new Map<string, FfmpegCommand>() | |
56 | private readonly videoSessions = new Map<number, string>() | |
57 | // Values are Date().getTime() | |
58 | private readonly watchersPerVideo = new Map<number, number[]>() | |
59 | private readonly segmentsSha256 = new Map<string, Map<string, string>>() | |
60 | private readonly livesPerUser = new Map<number, { liveId: number, videoId: number, size: number }[]>() | |
61 | ||
62 | private readonly isAbleToUploadVideoWithCache = memoizee((userId: number) => { | |
63 | return isAbleToUploadVideo(userId, 1000) | |
64 | }, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD }) | |
65 | ||
66 | private readonly hasClientSocketsInBadHealthWithCache = memoizee((sessionId: string) => { | |
67 | return this.hasClientSocketsInBadHealth(sessionId) | |
68 | }, { maxAge: MEMOIZE_TTL.LIVE_CHECK_SOCKET_HEALTH }) | |
69 | ||
70 | private rtmpServer: Server | |
71 | ||
72 | private constructor () { | |
73 | } | |
74 | ||
75 | init () { | |
76 | const events = this.getContext().nodeEvent | |
77 | events.on('postPublish', (sessionId: string, streamPath: string) => { | |
78 | logger.debug('RTMP received stream', { id: sessionId, streamPath }) | |
79 | ||
80 | const splittedPath = streamPath.split('/') | |
81 | if (splittedPath.length !== 3 || splittedPath[1] !== VIDEO_LIVE.RTMP.BASE_PATH) { | |
82 | logger.warn('Live path is incorrect.', { streamPath }) | |
83 | return this.abortSession(sessionId) | |
84 | } | |
85 | ||
86 | this.handleSession(sessionId, streamPath, splittedPath[2]) | |
87 | .catch(err => logger.error('Cannot handle sessions.', { err })) | |
88 | }) | |
89 | ||
90 | events.on('donePublish', sessionId => { | |
91 | logger.info('Live session ended.', { sessionId }) | |
92 | }) | |
93 | ||
94 | registerConfigChangedHandler(() => { | |
95 | if (!this.rtmpServer && CONFIG.LIVE.ENABLED === true) { | |
96 | this.run() | |
97 | return | |
98 | } | |
99 | ||
100 | if (this.rtmpServer && CONFIG.LIVE.ENABLED === false) { | |
101 | this.stop() | |
102 | } | |
103 | }) | |
104 | ||
105 | // Cleanup broken lives, that were terminated by a server restart for example | |
106 | this.handleBrokenLives() | |
107 | .catch(err => logger.error('Cannot handle broken lives.', { err })) | |
108 | ||
109 | setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE) | |
110 | } | |
111 | ||
112 | run () { | |
113 | logger.info('Running RTMP server on port %d', config.rtmp.port) | |
114 | ||
115 | this.rtmpServer = createServer(socket => { | |
116 | const session = new NodeRtmpSession(config, socket) | |
117 | ||
118 | session.run() | |
119 | }) | |
120 | ||
121 | this.rtmpServer.on('error', err => { | |
122 | logger.error('Cannot run RTMP server.', { err }) | |
123 | }) | |
124 | ||
125 | this.rtmpServer.listen(CONFIG.LIVE.RTMP.PORT) | |
126 | } | |
127 | ||
128 | stop () { | |
129 | logger.info('Stopping RTMP server.') | |
130 | ||
131 | this.rtmpServer.close() | |
132 | this.rtmpServer = undefined | |
133 | ||
134 | // Sessions is an object | |
135 | this.getContext().sessions.forEach((session: any) => { | |
136 | if (session instanceof NodeRtmpSession) { | |
137 | session.stop() | |
138 | } | |
139 | }) | |
140 | } | |
141 | ||
142 | isRunning () { | |
143 | return !!this.rtmpServer | |
144 | } | |
145 | ||
146 | getSegmentsSha256 (videoUUID: string) { | |
147 | return this.segmentsSha256.get(videoUUID) | |
148 | } | |
149 | ||
150 | stopSessionOf (videoId: number) { | |
151 | const sessionId = this.videoSessions.get(videoId) | |
152 | if (!sessionId) return | |
153 | ||
154 | this.videoSessions.delete(videoId) | |
155 | this.abortSession(sessionId) | |
156 | } | |
157 | ||
158 | getLiveQuotaUsedByUser (userId: number) { | |
159 | const currentLives = this.livesPerUser.get(userId) | |
160 | if (!currentLives) return 0 | |
161 | ||
162 | return currentLives.reduce((sum, obj) => sum + obj.size, 0) | |
163 | } | |
164 | ||
165 | addViewTo (videoId: number) { | |
166 | if (this.videoSessions.has(videoId) === false) return | |
167 | ||
168 | let watchers = this.watchersPerVideo.get(videoId) | |
169 | ||
170 | if (!watchers) { | |
171 | watchers = [] | |
172 | this.watchersPerVideo.set(videoId, watchers) | |
173 | } | |
174 | ||
175 | watchers.push(new Date().getTime()) | |
176 | } | |
177 | ||
178 | cleanupShaSegments (videoUUID: string) { | |
179 | this.segmentsSha256.delete(videoUUID) | |
180 | } | |
181 | ||
182 | addSegmentToReplay (hlsVideoPath: string, segmentPath: string) { | |
183 | const segmentName = basename(segmentPath) | |
184 | const dest = join(hlsVideoPath, VIDEO_LIVE.REPLAY_DIRECTORY, this.buildConcatenatedName(segmentName)) | |
185 | ||
186 | return readFile(segmentPath) | |
187 | .then(data => appendFile(dest, data)) | |
188 | .catch(err => logger.error('Cannot copy segment %s to repay directory.', segmentPath, { err })) | |
189 | } | |
190 | ||
191 | buildConcatenatedName (segmentOrPlaylistPath: string) { | |
192 | const num = basename(segmentOrPlaylistPath).match(/^(\d+)(-|\.)/) | |
193 | ||
194 | return 'concat-' + num[1] + '.ts' | |
195 | } | |
196 | ||
197 | private processSegments (hlsVideoPath: string, videoUUID: string, videoLive: MVideoLive, segmentPaths: string[]) { | |
198 | Bluebird.mapSeries(segmentPaths, async previousSegment => { | |
199 | // Add sha hash of previous segments, because ffmpeg should have finished generating them | |
200 | await this.addSegmentSha(videoUUID, previousSegment) | |
201 | ||
202 | if (videoLive.saveReplay) { | |
203 | await this.addSegmentToReplay(hlsVideoPath, previousSegment) | |
204 | } | |
205 | }).catch(err => logger.error('Cannot process segments in %s', hlsVideoPath, { err })) | |
206 | } | |
207 | ||
208 | private getContext () { | |
209 | return context | |
210 | } | |
211 | ||
212 | private abortSession (id: string) { | |
213 | const session = this.getContext().sessions.get(id) | |
214 | if (session) { | |
215 | session.stop() | |
216 | this.getContext().sessions.delete(id) | |
217 | } | |
218 | ||
219 | const transSession = this.transSessions.get(id) | |
220 | if (transSession) { | |
221 | transSession.kill('SIGINT') | |
222 | this.transSessions.delete(id) | |
223 | } | |
224 | } | |
225 | ||
226 | private async handleSession (sessionId: string, streamPath: string, streamKey: string) { | |
227 | const videoLive = await VideoLiveModel.loadByStreamKey(streamKey) | |
228 | if (!videoLive) { | |
229 | logger.warn('Unknown live video with stream key %s.', streamKey) | |
230 | return this.abortSession(sessionId) | |
231 | } | |
232 | ||
233 | const video = videoLive.Video | |
234 | if (video.isBlacklisted()) { | |
235 | logger.warn('Video is blacklisted. Refusing stream %s.', streamKey) | |
236 | return this.abortSession(sessionId) | |
237 | } | |
238 | ||
239 | // Cleanup old potential live files (could happen with a permanent live) | |
240 | this.cleanupShaSegments(video.uuid) | |
241 | ||
242 | const oldStreamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id) | |
243 | if (oldStreamingPlaylist) { | |
244 | await cleanupLive(video, oldStreamingPlaylist) | |
245 | } | |
246 | ||
247 | this.videoSessions.set(video.id, sessionId) | |
248 | ||
249 | const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid) | |
250 | ||
251 | const session = this.getContext().sessions.get(sessionId) | |
252 | const rtmpUrl = 'rtmp://127.0.0.1:' + config.rtmp.port + streamPath | |
253 | ||
254 | const [ resolutionResult, fps ] = await Promise.all([ | |
255 | getVideoFileResolution(rtmpUrl), | |
256 | getVideoFileFPS(rtmpUrl) | |
257 | ]) | |
258 | ||
259 | const resolutionsEnabled = CONFIG.LIVE.TRANSCODING.ENABLED | |
260 | ? computeResolutionsToTranscode(resolutionResult.videoFileResolution, 'live') | |
261 | : [] | |
262 | ||
263 | const allResolutions = resolutionsEnabled.concat([ session.videoHeight ]) | |
264 | ||
265 | logger.info('Will mux/transcode live video of original resolution %d.', session.videoHeight, { allResolutions }) | |
266 | ||
267 | const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({ | |
268 | videoId: video.id, | |
269 | playlistUrl, | |
270 | segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive), | |
271 | p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, allResolutions), | |
272 | p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, | |
273 | ||
274 | type: VideoStreamingPlaylistType.HLS | |
275 | }, { returning: true }) as [ MStreamingPlaylist, boolean ] | |
276 | ||
277 | return this.runMuxing({ | |
278 | sessionId, | |
279 | videoLive, | |
280 | playlist: Object.assign(videoStreamingPlaylist, { Video: video }), | |
281 | rtmpUrl, | |
282 | fps, | |
283 | allResolutions | |
284 | }) | |
285 | } | |
286 | ||
287 | private async runMuxing (options: { | |
288 | sessionId: string | |
289 | videoLive: MVideoLiveVideo | |
290 | playlist: MStreamingPlaylistVideo | |
291 | rtmpUrl: string | |
292 | fps: number | |
293 | allResolutions: number[] | |
294 | }) { | |
295 | const { sessionId, videoLive, playlist, allResolutions, fps, rtmpUrl } = options | |
296 | const startStreamDateTime = new Date().getTime() | |
297 | ||
298 | const user = await UserModel.loadByLiveId(videoLive.id) | |
299 | if (!this.livesPerUser.has(user.id)) { | |
300 | this.livesPerUser.set(user.id, []) | |
301 | } | |
302 | ||
303 | const currentUserLive = { liveId: videoLive.id, videoId: videoLive.videoId, size: 0 } | |
304 | const livesOfUser = this.livesPerUser.get(user.id) | |
305 | livesOfUser.push(currentUserLive) | |
306 | ||
307 | for (let i = 0; i < allResolutions.length; i++) { | |
308 | const resolution = allResolutions[i] | |
309 | ||
310 | const file = new VideoFileModel({ | |
311 | resolution, | |
312 | size: -1, | |
313 | extname: '.ts', | |
314 | infoHash: null, | |
315 | fps, | |
316 | videoStreamingPlaylistId: playlist.id | |
317 | }) | |
318 | ||
319 | VideoFileModel.customUpsert(file, 'streaming-playlist', null) | |
320 | .catch(err => logger.error('Cannot create file for live streaming.', { err })) | |
321 | } | |
322 | ||
323 | const outPath = getHLSDirectory(videoLive.Video) | |
324 | await ensureDir(outPath) | |
325 | ||
326 | const replayDirectory = join(outPath, VIDEO_LIVE.REPLAY_DIRECTORY) | |
327 | ||
328 | if (videoLive.saveReplay === true) { | |
329 | await ensureDir(replayDirectory) | |
330 | } | |
331 | ||
332 | const videoUUID = videoLive.Video.uuid | |
333 | ||
334 | const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED | |
335 | ? await getLiveTranscodingCommand({ | |
336 | rtmpUrl, | |
337 | outPath, | |
338 | resolutions: allResolutions, | |
339 | fps, | |
340 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
341 | profile: CONFIG.LIVE.TRANSCODING.PROFILE | |
342 | }) | |
343 | : getLiveMuxingCommand(rtmpUrl, outPath) | |
344 | ||
345 | logger.info('Running live muxing/transcoding for %s.', videoUUID) | |
346 | this.transSessions.set(sessionId, ffmpegExec) | |
347 | ||
348 | const tsWatcher = chokidar.watch(outPath + '/*.ts') | |
349 | ||
350 | const segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {} | |
351 | const playlistIdMatcher = /^([\d+])-/ | |
352 | ||
353 | const addHandler = segmentPath => { | |
354 | logger.debug('Live add handler of %s.', segmentPath) | |
355 | ||
356 | const playlistId = basename(segmentPath).match(playlistIdMatcher)[0] | |
357 | ||
358 | const segmentsToProcess = segmentsToProcessPerPlaylist[playlistId] || [] | |
359 | this.processSegments(outPath, videoUUID, videoLive, segmentsToProcess) | |
360 | ||
361 | segmentsToProcessPerPlaylist[playlistId] = [ segmentPath ] | |
362 | ||
363 | if (this.hasClientSocketsInBadHealthWithCache(sessionId)) { | |
364 | logger.error( | |
365 | 'Too much data in client socket stream (ffmpeg is too slow to transcode the video).' + | |
366 | ' Stopping session of video %s.', videoUUID) | |
367 | ||
368 | this.stopSessionOf(videoLive.videoId) | |
369 | return | |
370 | } | |
371 | ||
372 | // Duration constraint check | |
373 | if (this.isDurationConstraintValid(startStreamDateTime) !== true) { | |
374 | logger.info('Stopping session of %s: max duration exceeded.', videoUUID) | |
375 | ||
376 | this.stopSessionOf(videoLive.videoId) | |
377 | return | |
378 | } | |
379 | ||
380 | // Check user quota if the user enabled replay saving | |
381 | if (videoLive.saveReplay === true) { | |
382 | stat(segmentPath) | |
383 | .then(segmentStat => { | |
384 | currentUserLive.size += segmentStat.size | |
385 | }) | |
386 | .then(() => this.isQuotaConstraintValid(user, videoLive)) | |
387 | .then(quotaValid => { | |
388 | if (quotaValid !== true) { | |
389 | logger.info('Stopping session of %s: user quota exceeded.', videoUUID) | |
390 | ||
391 | this.stopSessionOf(videoLive.videoId) | |
392 | } | |
393 | }) | |
394 | .catch(err => logger.error('Cannot stat %s or check quota of %d.', segmentPath, user.id, { err })) | |
395 | } | |
396 | } | |
397 | ||
398 | const deleteHandler = segmentPath => this.removeSegmentSha(videoUUID, segmentPath) | |
399 | ||
400 | tsWatcher.on('add', p => addHandler(p)) | |
401 | tsWatcher.on('unlink', p => deleteHandler(p)) | |
402 | ||
403 | const masterWatcher = chokidar.watch(outPath + '/master.m3u8') | |
404 | masterWatcher.on('add', async () => { | |
405 | try { | |
406 | const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoLive.videoId) | |
407 | ||
408 | video.state = VideoState.PUBLISHED | |
409 | await video.save() | |
410 | videoLive.Video = video | |
411 | ||
412 | setTimeout(() => { | |
413 | federateVideoIfNeeded(video, false) | |
414 | .catch(err => logger.error('Cannot federate live video %s.', video.url, { err })) | |
415 | ||
416 | PeerTubeSocket.Instance.sendVideoLiveNewState(video) | |
417 | }, VIDEO_LIVE.SEGMENT_TIME_SECONDS * 1000 * VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION) | |
418 | ||
419 | } catch (err) { | |
420 | logger.error('Cannot save/federate live video %d.', videoLive.videoId, { err }) | |
421 | } finally { | |
422 | masterWatcher.close() | |
423 | .catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err })) | |
424 | } | |
425 | }) | |
426 | ||
427 | const onFFmpegEnded = () => { | |
428 | logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl) | |
429 | ||
430 | this.transSessions.delete(sessionId) | |
431 | ||
432 | this.watchersPerVideo.delete(videoLive.videoId) | |
433 | this.videoSessions.delete(videoLive.videoId) | |
434 | ||
435 | const newLivesPerUser = this.livesPerUser.get(user.id) | |
436 | .filter(o => o.liveId !== videoLive.id) | |
437 | this.livesPerUser.set(user.id, newLivesPerUser) | |
438 | ||
439 | setTimeout(() => { | |
440 | // Wait latest segments generation, and close watchers | |
441 | ||
442 | Promise.all([ tsWatcher.close(), masterWatcher.close() ]) | |
443 | .then(() => { | |
444 | // Process remaining segments hash | |
445 | for (const key of Object.keys(segmentsToProcessPerPlaylist)) { | |
446 | this.processSegments(outPath, videoUUID, videoLive, segmentsToProcessPerPlaylist[key]) | |
447 | } | |
448 | }) | |
449 | .catch(err => logger.error('Cannot close watchers of %s or process remaining hash segments.', outPath, { err })) | |
450 | ||
451 | this.onEndTransmuxing(videoLive.Video.id) | |
452 | .catch(err => logger.error('Error in closed transmuxing.', { err })) | |
453 | }, 1000) | |
454 | } | |
455 | ||
456 | ffmpegExec.on('error', (err, stdout, stderr) => { | |
457 | onFFmpegEnded() | |
458 | ||
459 | // Don't care that we killed the ffmpeg process | |
460 | if (err?.message?.includes('Exiting normally')) return | |
461 | ||
462 | logger.error('Live transcoding error.', { err, stdout, stderr }) | |
463 | ||
464 | this.abortSession(sessionId) | |
465 | }) | |
466 | ||
467 | ffmpegExec.on('end', () => onFFmpegEnded()) | |
468 | ||
469 | ffmpegExec.run() | |
470 | } | |
471 | ||
472 | private async onEndTransmuxing (videoId: number, cleanupNow = false) { | |
473 | try { | |
474 | const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId) | |
475 | if (!fullVideo) return | |
476 | ||
477 | const live = await VideoLiveModel.loadByVideoId(videoId) | |
478 | ||
479 | if (!live.permanentLive) { | |
480 | JobQueue.Instance.createJob({ | |
481 | type: 'video-live-ending', | |
482 | payload: { | |
483 | videoId: fullVideo.id | |
484 | } | |
485 | }, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY }) | |
486 | ||
487 | fullVideo.state = VideoState.LIVE_ENDED | |
488 | } else { | |
489 | fullVideo.state = VideoState.WAITING_FOR_LIVE | |
490 | } | |
491 | ||
492 | await fullVideo.save() | |
493 | ||
494 | PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo) | |
495 | ||
496 | await federateVideoIfNeeded(fullVideo, false) | |
497 | } catch (err) { | |
498 | logger.error('Cannot save/federate new video state of live streaming of video id %d.', videoId, { err }) | |
499 | } | |
500 | } | |
501 | ||
502 | private async addSegmentSha (videoUUID: string, segmentPath: string) { | |
503 | const segmentName = basename(segmentPath) | |
504 | logger.debug('Adding live sha segment %s.', segmentPath) | |
505 | ||
506 | const shaResult = await buildSha256Segment(segmentPath) | |
507 | ||
508 | if (!this.segmentsSha256.has(videoUUID)) { | |
509 | this.segmentsSha256.set(videoUUID, new Map()) | |
510 | } | |
511 | ||
512 | const filesMap = this.segmentsSha256.get(videoUUID) | |
513 | filesMap.set(segmentName, shaResult) | |
514 | } | |
515 | ||
516 | private removeSegmentSha (videoUUID: string, segmentPath: string) { | |
517 | const segmentName = basename(segmentPath) | |
518 | ||
519 | logger.debug('Removing live sha segment %s.', segmentPath) | |
520 | ||
521 | const filesMap = this.segmentsSha256.get(videoUUID) | |
522 | if (!filesMap) { | |
523 | logger.warn('Unknown files map to remove sha for %s.', videoUUID) | |
524 | return | |
525 | } | |
526 | ||
527 | if (!filesMap.has(segmentName)) { | |
528 | logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath) | |
529 | return | |
530 | } | |
531 | ||
532 | filesMap.delete(segmentName) | |
533 | } | |
534 | ||
535 | private isDurationConstraintValid (streamingStartTime: number) { | |
536 | const maxDuration = CONFIG.LIVE.MAX_DURATION | |
537 | // No limit | |
538 | if (maxDuration < 0) return true | |
539 | ||
540 | const now = new Date().getTime() | |
541 | const max = streamingStartTime + maxDuration | |
542 | ||
543 | return now <= max | |
544 | } | |
545 | ||
546 | private hasClientSocketsInBadHealth (sessionId: string) { | |
547 | const rtmpSession = this.getContext().sessions.get(sessionId) | |
548 | ||
549 | if (!rtmpSession) { | |
550 | logger.warn('Cannot get session %s to check players socket health.', sessionId) | |
551 | return | |
552 | } | |
553 | ||
554 | for (const playerSessionId of rtmpSession.players) { | |
555 | const playerSession = this.getContext().sessions.get(playerSessionId) | |
556 | ||
557 | if (!playerSession) { | |
558 | logger.error('Cannot get player session %s to check socket health.', playerSession) | |
559 | continue | |
560 | } | |
561 | ||
562 | if (playerSession.socket.writableLength > VIDEO_LIVE.MAX_SOCKET_WAITING_DATA) { | |
563 | return true | |
564 | } | |
565 | } | |
566 | ||
567 | return false | |
568 | } | |
569 | ||
570 | private async isQuotaConstraintValid (user: MUserId, live: MVideoLive) { | |
571 | if (live.saveReplay !== true) return true | |
572 | ||
573 | return this.isAbleToUploadVideoWithCache(user.id) | |
574 | } | |
575 | ||
576 | private async updateLiveViews () { | |
577 | if (!this.isRunning()) return | |
578 | ||
579 | if (!isTestInstance()) logger.info('Updating live video views.') | |
580 | ||
581 | for (const videoId of this.watchersPerVideo.keys()) { | |
582 | const notBefore = new Date().getTime() - VIEW_LIFETIME.LIVE | |
583 | ||
584 | const watchers = this.watchersPerVideo.get(videoId) | |
585 | ||
586 | const numWatchers = watchers.length | |
587 | ||
588 | const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId) | |
589 | video.views = numWatchers | |
590 | await video.save() | |
591 | ||
592 | await federateVideoIfNeeded(video, false) | |
593 | ||
594 | PeerTubeSocket.Instance.sendVideoViewsUpdate(video) | |
595 | ||
596 | // Only keep not expired watchers | |
597 | const newWatchers = watchers.filter(w => w > notBefore) | |
598 | this.watchersPerVideo.set(videoId, newWatchers) | |
599 | ||
600 | logger.debug('New live video views for %s is %d.', video.url, numWatchers) | |
601 | } | |
602 | } | |
603 | ||
604 | private async handleBrokenLives () { | |
605 | const videoIds = await VideoModel.listPublishedLiveIds() | |
606 | ||
607 | for (const id of videoIds) { | |
608 | await this.onEndTransmuxing(id, true) | |
609 | } | |
610 | } | |
611 | ||
612 | static get Instance () { | |
613 | return this.instance || (this.instance = new this()) | |
614 | } | |
615 | } | |
616 | ||
617 | // --------------------------------------------------------------------------- | |
618 | ||
619 | export { | |
620 | LiveManager | |
621 | } |