X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Flive-manager.ts;h=b549c189f5b0a640112842a16c7090c37844d6ad;hb=fae6e4da8f516a9d6c3bad9bf6f35811ccacbad8;hp=ef9377e434d44d76c37a6976b841e8f155a45dc1;hpb=3cabf3532b9118a19311f14ca3e171d12d554a2f;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/lib/live-manager.ts b/server/lib/live-manager.ts index ef9377e43..b549c189f 100644 --- a/server/lib/live-manager.ts +++ b/server/lib/live-manager.ts @@ -1,35 +1,34 @@ -import { AsyncQueue, queue } from 'async' +import * as Bluebird from 'bluebird' import * as chokidar from 'chokidar' import { FfmpegCommand } from 'fluent-ffmpeg' -import { ensureDir, stat } from 'fs-extra' -import { basename } from 'path' -import { - computeResolutionsToTranscode, - getVideoFileFPS, - getVideoFileResolution, - runLiveMuxing, - runLiveTranscoding -} from '@server/helpers/ffmpeg-utils' +import { appendFile, ensureDir, readFile, stat } from 'fs-extra' +import { createServer, Server } from 'net' +import { basename, join } from 'path' +import { isTestInstance } from '@server/helpers/core-utils' +import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg-utils' +import { computeResolutionsToTranscode, getVideoFileFPS, getVideoFileResolution } from '@server/helpers/ffprobe-utils' import { logger } from '@server/helpers/logger' import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config' -import { MEMOIZE_TTL, P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE, WEBSERVER } from '@server/initializers/constants' +import { MEMOIZE_TTL, P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE, VIEW_LIFETIME, WEBSERVER } from '@server/initializers/constants' import { UserModel } from '@server/models/account/user' import { VideoModel } from '@server/models/video/video' import { VideoFileModel } from '@server/models/video/video-file' import { VideoLiveModel } from '@server/models/video/video-live' import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist' -import { MStreamingPlaylist, MUserId, MVideoLive, MVideoLiveVideo } from '@server/types/models' +import { MStreamingPlaylist, MStreamingPlaylistVideo, MUserId, MVideoLive, MVideoLiveVideo } from '@server/types/models' import { VideoState, VideoStreamingPlaylistType } from '@shared/models' import { federateVideoIfNeeded } from './activitypub/videos' import { buildSha256Segment } from './hls' import { JobQueue } from './job-queue' +import { cleanupLive } from './job-queue/handlers/video-live-ending' import { PeerTubeSocket } from './peertube-socket' import { isAbleToUploadVideo } from './user' import { getHLSDirectory } from './video-paths' +import { VideoTranscodingProfilesManager } from './video-transcoding-profiles' import memoizee = require('memoizee') -const NodeRtmpServer = require('node-media-server/node_rtmp_server') +const NodeRtmpSession = require('node-media-server/node_rtmp_session') const context = require('node-media-server/node_core_ctx') const nodeMediaServerLogger = require('node-media-server/node_core_logger') @@ -49,18 +48,14 @@ const config = { } } -type SegmentSha256QueueParam = { - operation: 'update' | 'delete' - videoUUID: string - segmentPath: string -} - class LiveManager { private static instance: LiveManager private readonly transSessions = new Map() private readonly videoSessions = new Map() + // Values are Date().getTime() + private readonly watchersPerVideo = new Map() private readonly segmentsSha256 = new Map>() private readonly livesPerUser = new Map() @@ -68,8 +63,11 @@ class LiveManager { return isAbleToUploadVideo(userId, 1000) }, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD }) - private segmentsSha256Queue: AsyncQueue - private rtmpServer: any + private readonly hasClientSocketsInBadHealthWithCache = memoizee((sessionId: string) => { + return this.hasClientSocketsInBadHealth(sessionId) + }, { maxAge: MEMOIZE_TTL.LIVE_CHECK_SOCKET_HEALTH }) + + private rtmpServer: Server private constructor () { } @@ -93,18 +91,6 @@ class LiveManager { logger.info('Live session ended.', { sessionId }) }) - this.segmentsSha256Queue = queue((options, cb) => { - const promise = options.operation === 'update' - ? this.addSegmentSha(options) - : Promise.resolve(this.removeSegmentSha(options)) - - promise.then(() => cb()) - .catch(err => { - logger.error('Cannot update/remove sha segment %s.', options.segmentPath, { err }) - cb() - }) - }) - registerConfigChangedHandler(() => { if (!this.rtmpServer && CONFIG.LIVE.ENABLED === true) { this.run() @@ -115,20 +101,46 @@ class LiveManager { this.stop() } }) + + // Cleanup broken lives, that were terminated by a server restart for example + this.handleBrokenLives() + .catch(err => logger.error('Cannot handle broken lives.', { err })) + + setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE) } run () { logger.info('Running RTMP server on port %d', config.rtmp.port) - this.rtmpServer = new NodeRtmpServer(config) - this.rtmpServer.run() + this.rtmpServer = createServer(socket => { + const session = new NodeRtmpSession(config, socket) + + session.run() + }) + + this.rtmpServer.on('error', err => { + logger.error('Cannot run RTMP server.', { err }) + }) + + this.rtmpServer.listen(CONFIG.LIVE.RTMP.PORT) } stop () { logger.info('Stopping RTMP server.') - this.rtmpServer.stop() + this.rtmpServer.close() this.rtmpServer = undefined + + // Sessions is an object + this.getContext().sessions.forEach((session: any) => { + if (session instanceof NodeRtmpSession) { + session.stop() + } + }) + } + + isRunning () { + return !!this.rtmpServer } getSegmentsSha256 (videoUUID: string) { @@ -150,6 +162,49 @@ class LiveManager { return currentLives.reduce((sum, obj) => sum + obj.size, 0) } + addViewTo (videoId: number) { + if (this.videoSessions.has(videoId) === false) return + + let watchers = this.watchersPerVideo.get(videoId) + + if (!watchers) { + watchers = [] + this.watchersPerVideo.set(videoId, watchers) + } + + watchers.push(new Date().getTime()) + } + + cleanupShaSegments (videoUUID: string) { + this.segmentsSha256.delete(videoUUID) + } + + addSegmentToReplay (hlsVideoPath: string, segmentPath: string) { + const segmentName = basename(segmentPath) + const dest = join(hlsVideoPath, VIDEO_LIVE.REPLAY_DIRECTORY, this.buildConcatenatedName(segmentName)) + + return readFile(segmentPath) + .then(data => appendFile(dest, data)) + .catch(err => logger.error('Cannot copy segment %s to repay directory.', segmentPath, { err })) + } + + buildConcatenatedName (segmentOrPlaylistPath: string) { + const num = basename(segmentOrPlaylistPath).match(/^(\d+)(-|\.)/) + + return 'concat-' + num[1] + '.ts' + } + + private processSegments (hlsVideoPath: string, videoUUID: string, videoLive: MVideoLive, segmentPaths: string[]) { + Bluebird.mapSeries(segmentPaths, async previousSegment => { + // Add sha hash of previous segments, because ffmpeg should have finished generating them + await this.addSegmentSha(videoUUID, previousSegment) + + if (videoLive.saveReplay) { + await this.addSegmentToReplay(hlsVideoPath, previousSegment) + } + }).catch(err => logger.error('Cannot process segments in %s', hlsVideoPath, { err })) + } + private getContext () { return context } @@ -181,6 +236,14 @@ class LiveManager { return this.abortSession(sessionId) } + // Cleanup old potential live files (could happen with a permanent live) + this.cleanupShaSegments(video.uuid) + + const oldStreamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id) + if (oldStreamingPlaylist) { + await cleanupLive(video, oldStreamingPlaylist) + } + this.videoSessions.set(video.id, sessionId) const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid) @@ -197,13 +260,15 @@ class LiveManager { ? computeResolutionsToTranscode(resolutionResult.videoFileResolution, 'live') : [] - logger.info('Will mux/transcode live video of original resolution %d.', session.videoHeight, { resolutionsEnabled }) + const allResolutions = resolutionsEnabled.concat([ session.videoHeight ]) + + logger.info('Will mux/transcode live video of original resolution %d.', session.videoHeight, { allResolutions }) const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({ videoId: video.id, playlistUrl, segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive), - p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, resolutionsEnabled), + p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, allResolutions), p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, type: VideoStreamingPlaylistType.HLS @@ -212,26 +277,23 @@ class LiveManager { return this.runMuxing({ sessionId, videoLive, - playlist: videoStreamingPlaylist, - originalResolution: session.videoHeight, + playlist: Object.assign(videoStreamingPlaylist, { Video: video }), rtmpUrl, fps, - resolutionsEnabled + allResolutions }) } private async runMuxing (options: { sessionId: string videoLive: MVideoLiveVideo - playlist: MStreamingPlaylist + playlist: MStreamingPlaylistVideo rtmpUrl: string fps: number - resolutionsEnabled: number[] - originalResolution: number + allResolutions: number[] }) { - const { sessionId, videoLive, playlist, resolutionsEnabled, originalResolution, fps, rtmpUrl } = options + const { sessionId, videoLive, playlist, allResolutions, fps, rtmpUrl } = options const startStreamDateTime = new Date().getTime() - const allResolutions = resolutionsEnabled.concat([ originalResolution ]) const user = await UserModel.loadByLiveId(videoLive.id) if (!this.livesPerUser.has(user.id)) { @@ -245,42 +307,74 @@ class LiveManager { for (let i = 0; i < allResolutions.length; i++) { const resolution = allResolutions[i] - VideoFileModel.upsert({ + const file = new VideoFileModel({ resolution, size: -1, extname: '.ts', infoHash: null, fps, videoStreamingPlaylistId: playlist.id - }).catch(err => { - logger.error('Cannot create file for live streaming.', { err }) }) + + VideoFileModel.customUpsert(file, 'streaming-playlist', null) + .catch(err => logger.error('Cannot create file for live streaming.', { err })) } const outPath = getHLSDirectory(videoLive.Video) await ensureDir(outPath) + const replayDirectory = join(outPath, VIDEO_LIVE.REPLAY_DIRECTORY) + + if (videoLive.saveReplay === true) { + await ensureDir(replayDirectory) + } + const videoUUID = videoLive.Video.uuid - const deleteSegments = videoLive.saveReplay === false const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED - ? runLiveTranscoding(rtmpUrl, outPath, allResolutions, fps, deleteSegments) - : runLiveMuxing(rtmpUrl, outPath, deleteSegments) + ? await getLiveTranscodingCommand({ + rtmpUrl, + outPath, + resolutions: allResolutions, + fps, + availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), + profile: CONFIG.LIVE.TRANSCODING.PROFILE + }) + : getLiveMuxingCommand(rtmpUrl, outPath) logger.info('Running live muxing/transcoding for %s.', videoUUID) this.transSessions.set(sessionId, ffmpegExec) const tsWatcher = chokidar.watch(outPath + '/*.ts') - const updateSegment = segmentPath => this.segmentsSha256Queue.push({ operation: 'update', segmentPath, videoUUID }) + const segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {} + const playlistIdMatcher = /^([\d+])-/ const addHandler = segmentPath => { - updateSegment(segmentPath) + logger.debug('Live add handler of %s.', segmentPath) + + const playlistId = basename(segmentPath).match(playlistIdMatcher)[0] + const segmentsToProcess = segmentsToProcessPerPlaylist[playlistId] || [] + this.processSegments(outPath, videoUUID, videoLive, segmentsToProcess) + + segmentsToProcessPerPlaylist[playlistId] = [ segmentPath ] + + if (this.hasClientSocketsInBadHealthWithCache(sessionId)) { + logger.error( + 'Too much data in client socket stream (ffmpeg is too slow to transcode the video).' + + ' Stopping session of video %s.', videoUUID) + + this.stopSessionOf(videoLive.videoId) + return + } + + // Duration constraint check if (this.isDurationConstraintValid(startStreamDateTime) !== true) { logger.info('Stopping session of %s: max duration exceeded.', videoUUID) this.stopSessionOf(videoLive.videoId) + return } // Check user quota if the user enabled replay saving @@ -301,10 +395,9 @@ class LiveManager { } } - const deleteHandler = segmentPath => this.segmentsSha256Queue.push({ operation: 'delete', segmentPath, videoUUID }) + const deleteHandler = segmentPath => this.removeSegmentSha(videoUUID, segmentPath) tsWatcher.on('add', p => addHandler(p)) - tsWatcher.on('change', p => updateSegment(p)) tsWatcher.on('unlink', p => deleteHandler(p)) const masterWatcher = chokidar.watch(outPath + '/master.m3u8') @@ -316,11 +409,15 @@ class LiveManager { await video.save() videoLive.Video = video - await federateVideoIfNeeded(video, false) + setTimeout(() => { + federateVideoIfNeeded(video, false) + .catch(err => logger.error('Cannot federate live video %s.', video.url, { err })) + + PeerTubeSocket.Instance.sendVideoLiveNewState(video) + }, VIDEO_LIVE.SEGMENT_TIME_SECONDS * 1000 * VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION) - PeerTubeSocket.Instance.sendVideoLiveNewState(video) } catch (err) { - logger.error('Cannot federate video %d.', videoLive.videoId, { err }) + logger.error('Cannot save/federate live video %d.', videoLive.videoId, { err }) } finally { masterWatcher.close() .catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err })) @@ -332,11 +429,28 @@ class LiveManager { this.transSessions.delete(sessionId) - Promise.all([ tsWatcher.close(), masterWatcher.close() ]) - .catch(err => logger.error('Cannot close watchers of %s.', outPath, { err })) + this.watchersPerVideo.delete(videoLive.videoId) + this.videoSessions.delete(videoLive.videoId) - this.onEndTransmuxing(videoLive.Video.id) - .catch(err => logger.error('Error in closed transmuxing.', { err })) + const newLivesPerUser = this.livesPerUser.get(user.id) + .filter(o => o.liveId !== videoLive.id) + this.livesPerUser.set(user.id, newLivesPerUser) + + setTimeout(() => { + // Wait latest segments generation, and close watchers + + Promise.all([ tsWatcher.close(), masterWatcher.close() ]) + .then(() => { + // Process remaining segments hash + for (const key of Object.keys(segmentsToProcessPerPlaylist)) { + this.processSegments(outPath, videoUUID, videoLive, segmentsToProcessPerPlaylist[key]) + } + }) + .catch(err => logger.error('Cannot close watchers of %s or process remaining hash segments.', outPath, { err })) + + this.onEndTransmuxing(videoLive.Video.id) + .catch(err => logger.error('Error in closed transmuxing.', { err })) + }, 1000) } ffmpegExec.on('error', (err, stdout, stderr) => { @@ -351,6 +465,8 @@ class LiveManager { }) ffmpegExec.on('end', () => onFFmpegEnded()) + + ffmpegExec.run() } private async onEndTransmuxing (videoId: number, cleanupNow = false) { @@ -358,14 +474,21 @@ class LiveManager { const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId) if (!fullVideo) return - JobQueue.Instance.createJob({ - type: 'video-live-ending', - payload: { - videoId: fullVideo.id - } - }, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY }) + const live = await VideoLiveModel.loadByVideoId(videoId) + + if (!live.permanentLive) { + JobQueue.Instance.createJob({ + type: 'video-live-ending', + payload: { + videoId: fullVideo.id + } + }, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY }) + + fullVideo.state = VideoState.LIVE_ENDED + } else { + fullVideo.state = VideoState.WAITING_FOR_LIVE + } - fullVideo.state = VideoState.LIVE_ENDED await fullVideo.save() PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo) @@ -376,33 +499,33 @@ class LiveManager { } } - private async addSegmentSha (options: SegmentSha256QueueParam) { - const segmentName = basename(options.segmentPath) - logger.debug('Updating live sha segment %s.', options.segmentPath) + private async addSegmentSha (videoUUID: string, segmentPath: string) { + const segmentName = basename(segmentPath) + logger.debug('Adding live sha segment %s.', segmentPath) - const shaResult = await buildSha256Segment(options.segmentPath) + const shaResult = await buildSha256Segment(segmentPath) - if (!this.segmentsSha256.has(options.videoUUID)) { - this.segmentsSha256.set(options.videoUUID, new Map()) + if (!this.segmentsSha256.has(videoUUID)) { + this.segmentsSha256.set(videoUUID, new Map()) } - const filesMap = this.segmentsSha256.get(options.videoUUID) + const filesMap = this.segmentsSha256.get(videoUUID) filesMap.set(segmentName, shaResult) } - private removeSegmentSha (options: SegmentSha256QueueParam) { - const segmentName = basename(options.segmentPath) + private removeSegmentSha (videoUUID: string, segmentPath: string) { + const segmentName = basename(segmentPath) - logger.debug('Removing live sha segment %s.', options.segmentPath) + logger.debug('Removing live sha segment %s.', segmentPath) - const filesMap = this.segmentsSha256.get(options.videoUUID) + const filesMap = this.segmentsSha256.get(videoUUID) if (!filesMap) { - logger.warn('Unknown files map to remove sha for %s.', options.videoUUID) + logger.warn('Unknown files map to remove sha for %s.', videoUUID) return } if (!filesMap.has(segmentName)) { - logger.warn('Unknown segment in files map for video %s and segment %s.', options.videoUUID, options.segmentPath) + logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath) return } @@ -412,7 +535,7 @@ class LiveManager { private isDurationConstraintValid (streamingStartTime: number) { const maxDuration = CONFIG.LIVE.MAX_DURATION // No limit - if (maxDuration === null) return true + if (maxDuration < 0) return true const now = new Date().getTime() const max = streamingStartTime + maxDuration @@ -420,12 +543,72 @@ class LiveManager { return now <= max } + private hasClientSocketsInBadHealth (sessionId: string) { + const rtmpSession = this.getContext().sessions.get(sessionId) + + if (!rtmpSession) { + logger.warn('Cannot get session %s to check players socket health.', sessionId) + return + } + + for (const playerSessionId of rtmpSession.players) { + const playerSession = this.getContext().sessions.get(playerSessionId) + + if (!playerSession) { + logger.error('Cannot get player session %s to check socket health.', playerSession) + continue + } + + if (playerSession.socket.writableLength > VIDEO_LIVE.MAX_SOCKET_WAITING_DATA) { + return true + } + } + + return false + } + private async isQuotaConstraintValid (user: MUserId, live: MVideoLive) { if (live.saveReplay !== true) return true return this.isAbleToUploadVideoWithCache(user.id) } + private async updateLiveViews () { + if (!this.isRunning()) return + + if (!isTestInstance()) logger.info('Updating live video views.') + + for (const videoId of this.watchersPerVideo.keys()) { + const notBefore = new Date().getTime() - VIEW_LIFETIME.LIVE + + const watchers = this.watchersPerVideo.get(videoId) + + const numWatchers = watchers.length + + const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId) + video.views = numWatchers + await video.save() + + await federateVideoIfNeeded(video, false) + + PeerTubeSocket.Instance.sendVideoViewsUpdate(video) + + // Only keep not expired watchers + const newWatchers = watchers.filter(w => w > notBefore) + this.watchersPerVideo.set(videoId, newWatchers) + + logger.debug('New live video views for %s is %d.', video.url, numWatchers) + } + } + + private async handleBrokenLives () { + const videoIds = await VideoModel.listPublishedLiveIds() + + for (const id of videoIds) { + await this.onEndTransmuxing(id, true) + } + } + static get Instance () { return this.instance || (this.instance = new this()) }