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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, loggerTagsFactory } 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 | const lTags = loggerTagsFactory('live') | |
52 | ||
53 | class LiveManager { | |
54 | ||
55 | private static instance: LiveManager | |
56 | ||
57 | private readonly transSessions = new Map<string, FfmpegCommand>() | |
58 | private readonly videoSessions = new Map<number, string>() | |
59 | // Values are Date().getTime() | |
60 | private readonly watchersPerVideo = new Map<number, number[]>() | |
61 | private readonly segmentsSha256 = new Map<string, Map<string, string>>() | |
62 | private readonly livesPerUser = new Map<number, { liveId: number, videoId: number, size: number }[]>() | |
63 | ||
64 | private readonly isAbleToUploadVideoWithCache = memoizee((userId: number) => { | |
65 | return isAbleToUploadVideo(userId, 1000) | |
66 | }, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD }) | |
67 | ||
68 | private readonly hasClientSocketsInBadHealthWithCache = memoizee((sessionId: string) => { | |
69 | return this.hasClientSocketsInBadHealth(sessionId) | |
70 | }, { maxAge: MEMOIZE_TTL.LIVE_CHECK_SOCKET_HEALTH }) | |
71 | ||
72 | private rtmpServer: Server | |
73 | ||
74 | private constructor () { | |
75 | } | |
76 | ||
77 | init () { | |
78 | const events = this.getContext().nodeEvent | |
79 | events.on('postPublish', (sessionId: string, streamPath: string) => { | |
80 | logger.debug('RTMP received stream', { id: sessionId, streamPath, ...lTags(sessionId) }) | |
81 | ||
82 | const splittedPath = streamPath.split('/') | |
83 | if (splittedPath.length !== 3 || splittedPath[1] !== VIDEO_LIVE.RTMP.BASE_PATH) { | |
84 | logger.warn('Live path is incorrect.', { streamPath, ...lTags(sessionId) }) | |
85 | return this.abortSession(sessionId) | |
86 | } | |
87 | ||
88 | this.handleSession(sessionId, streamPath, splittedPath[2]) | |
89 | .catch(err => logger.error('Cannot handle sessions.', { err, ...lTags(sessionId) })) | |
90 | }) | |
91 | ||
92 | events.on('donePublish', sessionId => { | |
93 | logger.info('Live session ended.', { sessionId, ...lTags(sessionId) }) | |
94 | }) | |
95 | ||
96 | registerConfigChangedHandler(() => { | |
97 | if (!this.rtmpServer && CONFIG.LIVE.ENABLED === true) { | |
98 | this.run() | |
99 | return | |
100 | } | |
101 | ||
102 | if (this.rtmpServer && CONFIG.LIVE.ENABLED === false) { | |
103 | this.stop() | |
104 | } | |
105 | }) | |
106 | ||
107 | // Cleanup broken lives, that were terminated by a server restart for example | |
108 | this.handleBrokenLives() | |
109 | .catch(err => logger.error('Cannot handle broken lives.', { err, ...lTags() })) | |
110 | ||
111 | setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE) | |
112 | } | |
113 | ||
114 | run () { | |
115 | logger.info('Running RTMP server on port %d', config.rtmp.port, lTags()) | |
116 | ||
117 | this.rtmpServer = createServer(socket => { | |
118 | const session = new NodeRtmpSession(config, socket) | |
119 | ||
120 | session.run() | |
121 | }) | |
122 | ||
123 | this.rtmpServer.on('error', err => { | |
124 | logger.error('Cannot run RTMP server.', { err, ...lTags() }) | |
125 | }) | |
126 | ||
127 | this.rtmpServer.listen(CONFIG.LIVE.RTMP.PORT) | |
128 | } | |
129 | ||
130 | stop () { | |
131 | logger.info('Stopping RTMP server.', lTags()) | |
132 | ||
133 | this.rtmpServer.close() | |
134 | this.rtmpServer = undefined | |
135 | ||
136 | // Sessions is an object | |
137 | this.getContext().sessions.forEach((session: any) => { | |
138 | if (session instanceof NodeRtmpSession) { | |
139 | session.stop() | |
140 | } | |
141 | }) | |
142 | } | |
143 | ||
144 | isRunning () { | |
145 | return !!this.rtmpServer | |
146 | } | |
147 | ||
148 | getSegmentsSha256 (videoUUID: string) { | |
149 | return this.segmentsSha256.get(videoUUID) | |
150 | } | |
151 | ||
152 | stopSessionOf (videoId: number) { | |
153 | const sessionId = this.videoSessions.get(videoId) | |
154 | if (!sessionId) return | |
155 | ||
156 | this.videoSessions.delete(videoId) | |
157 | this.abortSession(sessionId) | |
158 | } | |
159 | ||
160 | getLiveQuotaUsedByUser (userId: number) { | |
161 | const currentLives = this.livesPerUser.get(userId) | |
162 | if (!currentLives) return 0 | |
163 | ||
164 | return currentLives.reduce((sum, obj) => sum + obj.size, 0) | |
165 | } | |
166 | ||
167 | addViewTo (videoId: number) { | |
168 | if (this.videoSessions.has(videoId) === false) return | |
169 | ||
170 | let watchers = this.watchersPerVideo.get(videoId) | |
171 | ||
172 | if (!watchers) { | |
173 | watchers = [] | |
174 | this.watchersPerVideo.set(videoId, watchers) | |
175 | } | |
176 | ||
177 | watchers.push(new Date().getTime()) | |
178 | } | |
179 | ||
180 | cleanupShaSegments (videoUUID: string) { | |
181 | this.segmentsSha256.delete(videoUUID) | |
182 | } | |
183 | ||
184 | addSegmentToReplay (hlsVideoPath: string, segmentPath: string) { | |
185 | const segmentName = basename(segmentPath) | |
186 | const dest = join(hlsVideoPath, VIDEO_LIVE.REPLAY_DIRECTORY, this.buildConcatenatedName(segmentName)) | |
187 | ||
188 | return readFile(segmentPath) | |
189 | .then(data => appendFile(dest, data)) | |
190 | .catch(err => logger.error('Cannot copy segment %s to replay directory.', segmentPath, { err, ...lTags() })) | |
191 | } | |
192 | ||
193 | buildConcatenatedName (segmentOrPlaylistPath: string) { | |
194 | const num = basename(segmentOrPlaylistPath).match(/^(\d+)(-|\.)/) | |
195 | ||
196 | return 'concat-' + num[1] + '.ts' | |
197 | } | |
198 | ||
199 | private processSegments (hlsVideoPath: string, videoUUID: string, videoLive: MVideoLive, segmentPaths: string[]) { | |
200 | Bluebird.mapSeries(segmentPaths, async previousSegment => { | |
201 | // Add sha hash of previous segments, because ffmpeg should have finished generating them | |
202 | await this.addSegmentSha(videoUUID, previousSegment) | |
203 | ||
204 | if (videoLive.saveReplay) { | |
205 | await this.addSegmentToReplay(hlsVideoPath, previousSegment) | |
206 | } | |
207 | }).catch(err => logger.error('Cannot process segments in %s', hlsVideoPath, { err, ...lTags(videoUUID) })) | |
208 | } | |
209 | ||
210 | private getContext () { | |
211 | return context | |
212 | } | |
213 | ||
214 | private abortSession (id: string) { | |
215 | const session = this.getContext().sessions.get(id) | |
216 | if (session) { | |
217 | session.stop() | |
218 | this.getContext().sessions.delete(id) | |
219 | } | |
220 | ||
221 | const transSession = this.transSessions.get(id) | |
222 | if (transSession) { | |
223 | transSession.kill('SIGINT') | |
224 | this.transSessions.delete(id) | |
225 | } | |
226 | } | |
227 | ||
228 | private async handleSession (sessionId: string, streamPath: string, streamKey: string) { | |
229 | const videoLive = await VideoLiveModel.loadByStreamKey(streamKey) | |
230 | if (!videoLive) { | |
231 | logger.warn('Unknown live video with stream key %s.', streamKey, lTags(sessionId)) | |
232 | return this.abortSession(sessionId) | |
233 | } | |
234 | ||
235 | const video = videoLive.Video | |
236 | if (video.isBlacklisted()) { | |
237 | logger.warn('Video is blacklisted. Refusing stream %s.', streamKey, lTags(sessionId, video.uuid)) | |
238 | return this.abortSession(sessionId) | |
239 | } | |
240 | ||
241 | // Cleanup old potential live files (could happen with a permanent live) | |
242 | this.cleanupShaSegments(video.uuid) | |
243 | ||
244 | const oldStreamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id) | |
245 | if (oldStreamingPlaylist) { | |
246 | await cleanupLive(video, oldStreamingPlaylist) | |
247 | } | |
248 | ||
249 | this.videoSessions.set(video.id, sessionId) | |
250 | ||
251 | const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid) | |
252 | ||
253 | const session = this.getContext().sessions.get(sessionId) | |
254 | const rtmpUrl = 'rtmp://127.0.0.1:' + config.rtmp.port + streamPath | |
255 | ||
256 | const [ resolutionResult, fps ] = await Promise.all([ | |
257 | getVideoFileResolution(rtmpUrl), | |
258 | getVideoFileFPS(rtmpUrl) | |
259 | ]) | |
260 | ||
261 | const resolutionsEnabled = CONFIG.LIVE.TRANSCODING.ENABLED | |
262 | ? computeResolutionsToTranscode(resolutionResult.videoFileResolution, 'live') | |
263 | : [] | |
264 | ||
265 | const allResolutions = resolutionsEnabled.concat([ session.videoHeight ]) | |
266 | ||
267 | logger.info( | |
268 | 'Will mux/transcode live video of original resolution %d.', session.videoHeight, | |
269 | { allResolutions, ...lTags(sessionId, video.uuid) } | |
270 | ) | |
271 | ||
272 | const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({ | |
273 | videoId: video.id, | |
274 | playlistUrl, | |
275 | segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive), | |
276 | p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, allResolutions), | |
277 | p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, | |
278 | ||
279 | type: VideoStreamingPlaylistType.HLS | |
280 | }, { returning: true }) as [ MStreamingPlaylist, boolean ] | |
281 | ||
282 | return this.runMuxing({ | |
283 | sessionId, | |
284 | videoLive, | |
285 | playlist: Object.assign(videoStreamingPlaylist, { Video: video }), | |
286 | rtmpUrl, | |
287 | fps, | |
288 | allResolutions | |
289 | }) | |
290 | } | |
291 | ||
292 | private async runMuxing (options: { | |
293 | sessionId: string | |
294 | videoLive: MVideoLiveVideo | |
295 | playlist: MStreamingPlaylistVideo | |
296 | rtmpUrl: string | |
297 | fps: number | |
298 | allResolutions: number[] | |
299 | }) { | |
300 | const { sessionId, videoLive, playlist, allResolutions, fps, rtmpUrl } = options | |
301 | const startStreamDateTime = new Date().getTime() | |
302 | ||
303 | const user = await UserModel.loadByLiveId(videoLive.id) | |
304 | if (!this.livesPerUser.has(user.id)) { | |
305 | this.livesPerUser.set(user.id, []) | |
306 | } | |
307 | ||
308 | const currentUserLive = { liveId: videoLive.id, videoId: videoLive.videoId, size: 0 } | |
309 | const livesOfUser = this.livesPerUser.get(user.id) | |
310 | livesOfUser.push(currentUserLive) | |
311 | ||
312 | for (let i = 0; i < allResolutions.length; i++) { | |
313 | const resolution = allResolutions[i] | |
314 | ||
315 | const file = new VideoFileModel({ | |
316 | resolution, | |
317 | size: -1, | |
318 | extname: '.ts', | |
319 | infoHash: null, | |
320 | fps, | |
321 | videoStreamingPlaylistId: playlist.id | |
322 | }) | |
323 | ||
324 | VideoFileModel.customUpsert(file, 'streaming-playlist', null) | |
325 | .catch(err => logger.error('Cannot create file for live streaming.', { err, ...lTags(sessionId, videoLive.Video.uuid) })) | |
326 | } | |
327 | ||
328 | const outPath = getHLSDirectory(videoLive.Video) | |
329 | await ensureDir(outPath) | |
330 | ||
331 | const replayDirectory = join(outPath, VIDEO_LIVE.REPLAY_DIRECTORY) | |
332 | ||
333 | if (videoLive.saveReplay === true) { | |
334 | await ensureDir(replayDirectory) | |
335 | } | |
336 | ||
337 | const videoUUID = videoLive.Video.uuid | |
338 | ||
339 | const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED | |
340 | ? await getLiveTranscodingCommand({ | |
341 | rtmpUrl, | |
342 | outPath, | |
343 | resolutions: allResolutions, | |
344 | fps, | |
345 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
346 | profile: CONFIG.LIVE.TRANSCODING.PROFILE | |
347 | }) | |
348 | : getLiveMuxingCommand(rtmpUrl, outPath) | |
349 | ||
350 | logger.info('Running live muxing/transcoding for %s.', videoUUID, lTags(sessionId, videoUUID)) | |
351 | this.transSessions.set(sessionId, ffmpegExec) | |
352 | ||
353 | const tsWatcher = chokidar.watch(outPath + '/*.ts') | |
354 | ||
355 | const segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {} | |
356 | const playlistIdMatcher = /^([\d+])-/ | |
357 | ||
358 | const addHandler = segmentPath => { | |
359 | logger.debug('Live add handler of %s.', segmentPath, lTags(sessionId, videoUUID)) | |
360 | ||
361 | const playlistId = basename(segmentPath).match(playlistIdMatcher)[0] | |
362 | ||
363 | const segmentsToProcess = segmentsToProcessPerPlaylist[playlistId] || [] | |
364 | this.processSegments(outPath, videoUUID, videoLive, segmentsToProcess) | |
365 | ||
366 | segmentsToProcessPerPlaylist[playlistId] = [ segmentPath ] | |
367 | ||
368 | if (this.hasClientSocketsInBadHealthWithCache(sessionId)) { | |
369 | logger.error( | |
370 | 'Too much data in client socket stream (ffmpeg is too slow to transcode the video).' + | |
371 | ' Stopping session of video %s.', videoUUID, | |
372 | lTags(sessionId, videoUUID) | |
373 | ) | |
374 | ||
375 | this.stopSessionOf(videoLive.videoId) | |
376 | return | |
377 | } | |
378 | ||
379 | // Duration constraint check | |
380 | if (this.isDurationConstraintValid(startStreamDateTime) !== true) { | |
381 | logger.info('Stopping session of %s: max duration exceeded.', videoUUID, lTags(sessionId, videoUUID)) | |
382 | ||
383 | this.stopSessionOf(videoLive.videoId) | |
384 | return | |
385 | } | |
386 | ||
387 | // Check user quota if the user enabled replay saving | |
388 | if (videoLive.saveReplay === true) { | |
389 | stat(segmentPath) | |
390 | .then(segmentStat => { | |
391 | currentUserLive.size += segmentStat.size | |
392 | }) | |
393 | .then(() => this.isQuotaConstraintValid(user, videoLive)) | |
394 | .then(quotaValid => { | |
395 | if (quotaValid !== true) { | |
396 | logger.info('Stopping session of %s: user quota exceeded.', videoUUID, lTags(sessionId, videoUUID)) | |
397 | ||
398 | this.stopSessionOf(videoLive.videoId) | |
399 | } | |
400 | }) | |
401 | .catch(err => logger.error('Cannot stat %s or check quota of %d.', segmentPath, user.id, { err, ...lTags(sessionId, videoUUID) })) | |
402 | } | |
403 | } | |
404 | ||
405 | const deleteHandler = segmentPath => this.removeSegmentSha(videoUUID, segmentPath) | |
406 | ||
407 | tsWatcher.on('add', p => addHandler(p)) | |
408 | tsWatcher.on('unlink', p => deleteHandler(p)) | |
409 | ||
410 | const masterWatcher = chokidar.watch(outPath + '/master.m3u8') | |
411 | masterWatcher.on('add', async () => { | |
412 | try { | |
413 | const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoLive.videoId) | |
414 | ||
415 | video.state = VideoState.PUBLISHED | |
416 | await video.save() | |
417 | videoLive.Video = video | |
418 | ||
419 | setTimeout(() => { | |
420 | federateVideoIfNeeded(video, false) | |
421 | .catch(err => logger.error('Cannot federate live video %s.', video.url, { err, ...lTags(sessionId, videoUUID) })) | |
422 | ||
423 | PeerTubeSocket.Instance.sendVideoLiveNewState(video) | |
424 | }, VIDEO_LIVE.SEGMENT_TIME_SECONDS * 1000 * VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION) | |
425 | ||
426 | } catch (err) { | |
427 | logger.error('Cannot save/federate live video %d.', videoLive.videoId, { err, ...lTags(sessionId, videoUUID) }) | |
428 | } finally { | |
429 | masterWatcher.close() | |
430 | .catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err, ...lTags(sessionId, videoUUID) })) | |
431 | } | |
432 | }) | |
433 | ||
434 | const onFFmpegEnded = () => { | |
435 | logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl, lTags(sessionId, videoUUID)) | |
436 | ||
437 | this.transSessions.delete(sessionId) | |
438 | ||
439 | this.watchersPerVideo.delete(videoLive.videoId) | |
440 | this.videoSessions.delete(videoLive.videoId) | |
441 | ||
442 | const newLivesPerUser = this.livesPerUser.get(user.id) | |
443 | .filter(o => o.liveId !== videoLive.id) | |
444 | this.livesPerUser.set(user.id, newLivesPerUser) | |
445 | ||
446 | setTimeout(() => { | |
447 | // Wait latest segments generation, and close watchers | |
448 | ||
449 | Promise.all([ tsWatcher.close(), masterWatcher.close() ]) | |
450 | .then(() => { | |
451 | // Process remaining segments hash | |
452 | for (const key of Object.keys(segmentsToProcessPerPlaylist)) { | |
453 | this.processSegments(outPath, videoUUID, videoLive, segmentsToProcessPerPlaylist[key]) | |
454 | } | |
455 | }) | |
456 | .catch(err => { | |
457 | logger.error( | |
458 | 'Cannot close watchers of %s or process remaining hash segments.', outPath, | |
459 | { err, ...lTags(sessionId, videoUUID) } | |
460 | ) | |
461 | }) | |
462 | ||
463 | this.onEndTransmuxing(videoLive.Video.id) | |
464 | .catch(err => logger.error('Error in closed transmuxing.', { err, ...lTags(sessionId, videoUUID) })) | |
465 | }, 1000) | |
466 | } | |
467 | ||
468 | ffmpegExec.on('error', (err, stdout, stderr) => { | |
469 | onFFmpegEnded() | |
470 | ||
471 | // Don't care that we killed the ffmpeg process | |
472 | if (err?.message?.includes('Exiting normally')) return | |
473 | ||
474 | logger.error('Live transcoding error.', { err, stdout, stderr, ...lTags(sessionId, videoUUID) }) | |
475 | ||
476 | this.abortSession(sessionId) | |
477 | }) | |
478 | ||
479 | ffmpegExec.on('end', () => onFFmpegEnded()) | |
480 | ||
481 | ffmpegExec.run() | |
482 | } | |
483 | ||
484 | private async onEndTransmuxing (videoUUID: string, cleanupNow = false) { | |
485 | try { | |
486 | const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoUUID) | |
487 | if (!fullVideo) return | |
488 | ||
489 | const live = await VideoLiveModel.loadByVideoId(fullVideo.id) | |
490 | ||
491 | if (!live.permanentLive) { | |
492 | JobQueue.Instance.createJob({ | |
493 | type: 'video-live-ending', | |
494 | payload: { | |
495 | videoId: fullVideo.id | |
496 | } | |
497 | }, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY }) | |
498 | ||
499 | fullVideo.state = VideoState.LIVE_ENDED | |
500 | } else { | |
501 | fullVideo.state = VideoState.WAITING_FOR_LIVE | |
502 | } | |
503 | ||
504 | await fullVideo.save() | |
505 | ||
506 | PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo) | |
507 | ||
508 | await federateVideoIfNeeded(fullVideo, false) | |
509 | } catch (err) { | |
510 | logger.error('Cannot save/federate new video state of live streaming of video %d.', videoUUID, { err, ...lTags(videoUUID) }) | |
511 | } | |
512 | } | |
513 | ||
514 | private async addSegmentSha (videoUUID: string, segmentPath: string) { | |
515 | const segmentName = basename(segmentPath) | |
516 | logger.debug('Adding live sha segment %s.', segmentPath, lTags(videoUUID)) | |
517 | ||
518 | const shaResult = await buildSha256Segment(segmentPath) | |
519 | ||
520 | if (!this.segmentsSha256.has(videoUUID)) { | |
521 | this.segmentsSha256.set(videoUUID, new Map()) | |
522 | } | |
523 | ||
524 | const filesMap = this.segmentsSha256.get(videoUUID) | |
525 | filesMap.set(segmentName, shaResult) | |
526 | } | |
527 | ||
528 | private removeSegmentSha (videoUUID: string, segmentPath: string) { | |
529 | const segmentName = basename(segmentPath) | |
530 | ||
531 | logger.debug('Removing live sha segment %s.', segmentPath, lTags(videoUUID)) | |
532 | ||
533 | const filesMap = this.segmentsSha256.get(videoUUID) | |
534 | if (!filesMap) { | |
535 | logger.warn('Unknown files map to remove sha for %s.', videoUUID, lTags(videoUUID)) | |
536 | return | |
537 | } | |
538 | ||
539 | if (!filesMap.has(segmentName)) { | |
540 | logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath, lTags(videoUUID)) | |
541 | return | |
542 | } | |
543 | ||
544 | filesMap.delete(segmentName) | |
545 | } | |
546 | ||
547 | private isDurationConstraintValid (streamingStartTime: number) { | |
548 | const maxDuration = CONFIG.LIVE.MAX_DURATION | |
549 | // No limit | |
550 | if (maxDuration < 0) return true | |
551 | ||
552 | const now = new Date().getTime() | |
553 | const max = streamingStartTime + maxDuration | |
554 | ||
555 | return now <= max | |
556 | } | |
557 | ||
558 | private hasClientSocketsInBadHealth (sessionId: string) { | |
559 | const rtmpSession = this.getContext().sessions.get(sessionId) | |
560 | ||
561 | if (!rtmpSession) { | |
562 | logger.warn('Cannot get session %s to check players socket health.', sessionId, lTags(sessionId)) | |
563 | return | |
564 | } | |
565 | ||
566 | for (const playerSessionId of rtmpSession.players) { | |
567 | const playerSession = this.getContext().sessions.get(playerSessionId) | |
568 | ||
569 | if (!playerSession) { | |
570 | logger.error('Cannot get player session %s to check socket health.', playerSession, lTags(sessionId)) | |
571 | continue | |
572 | } | |
573 | ||
574 | if (playerSession.socket.writableLength > VIDEO_LIVE.MAX_SOCKET_WAITING_DATA) { | |
575 | return true | |
576 | } | |
577 | } | |
578 | ||
579 | return false | |
580 | } | |
581 | ||
582 | private async isQuotaConstraintValid (user: MUserId, live: MVideoLive) { | |
583 | if (live.saveReplay !== true) return true | |
584 | ||
585 | return this.isAbleToUploadVideoWithCache(user.id) | |
586 | } | |
587 | ||
588 | private async updateLiveViews () { | |
589 | if (!this.isRunning()) return | |
590 | ||
591 | if (!isTestInstance()) logger.info('Updating live video views.', lTags()) | |
592 | ||
593 | for (const videoId of this.watchersPerVideo.keys()) { | |
594 | const notBefore = new Date().getTime() - VIEW_LIFETIME.LIVE | |
595 | ||
596 | const watchers = this.watchersPerVideo.get(videoId) | |
597 | ||
598 | const numWatchers = watchers.length | |
599 | ||
600 | const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId) | |
601 | video.views = numWatchers | |
602 | await video.save() | |
603 | ||
604 | await federateVideoIfNeeded(video, false) | |
605 | ||
606 | PeerTubeSocket.Instance.sendVideoViewsUpdate(video) | |
607 | ||
608 | // Only keep not expired watchers | |
609 | const newWatchers = watchers.filter(w => w > notBefore) | |
610 | this.watchersPerVideo.set(videoId, newWatchers) | |
611 | ||
612 | logger.debug('New live video views for %s is %d.', video.url, numWatchers, lTags()) | |
613 | } | |
614 | } | |
615 | ||
616 | private async handleBrokenLives () { | |
617 | const videoUUIDs = await VideoModel.listPublishedLiveUUIDs() | |
618 | ||
619 | for (const uuid of videoUUIDs) { | |
620 | await this.onEndTransmuxing(uuid, true) | |
621 | } | |
622 | } | |
623 | ||
624 | static get Instance () { | |
625 | return this.instance || (this.instance = new this()) | |
626 | } | |
627 | } | |
628 | ||
629 | // --------------------------------------------------------------------------- | |
630 | ||
631 | export { | |
632 | LiveManager | |
633 | } |