Add permanent live support

3 files changed, 51 insertions, 18 deletions

diff --git a/server/lib/activitypub/videos.ts b/server/lib/activitypub/videos.ts
index 4053f487c..04f0bfc23 100644
--- a/server/lib/activitypub/videos.ts
+++ b/server/lib/activitypub/videos.ts
@@ -429,6 +429,7 @@ async function updateVideoFromAP (options: {
         if (video.isLive) {
           const [ videoLive ] = await VideoLiveModel.upsert({
             saveReplay: videoObject.liveSaveReplay,
+            permanentLive: videoObject.permanentLive,
             videoId: video.id
           }, { transaction: t, returning: true })
 
@@ -631,6 +632,7 @@ async function createVideo (videoObject: VideoObject, channel: MChannelAccountLi
       const videoLive = new VideoLiveModel({
         streamKey: null,
         saveReplay: videoObject.liveSaveReplay,
+        permanentLive: videoObject.permanentLive,
         videoId: videoCreated.id
       })
 
diff --git a/server/lib/job-queue/handlers/video-live-ending.ts b/server/lib/job-queue/handlers/video-live-ending.ts
index d3c84ce75..e3c11caa2 100644
--- a/server/lib/job-queue/handlers/video-live-ending.ts
+++ b/server/lib/job-queue/handlers/video-live-ending.ts
@@ -1,5 +1,5 @@
 import * as Bull from 'bull'
-import { copy, readdir, remove } from 'fs-extra'
+import { copy, pathExists, readdir, remove } from 'fs-extra'
 import { join } from 'path'
 import { getDurationFromVideoFile, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
 import { VIDEO_LIVE } from '@server/initializers/constants'
@@ -14,6 +14,7 @@ import { VideoStreamingPlaylistModel } from '@server/models/video/video-streamin
 import { MStreamingPlaylist, MVideo, MVideoLive } from '@server/types/models'
 import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@shared/models'
 import { logger } from '../../../helpers/logger'
+import { LiveManager } from '@server/lib/live-manager'
 
 async function processVideoLiveEnding (job: Bull.Job) {
   const payload = job.data as VideoLiveEndingPayload
@@ -36,6 +37,8 @@ async function processVideoLiveEnding (job: Bull.Job) {
     return
   }
 
+  LiveManager.Instance.cleanupShaSegments(video.uuid)
+
   if (live.saveReplay !== true) {
     return cleanupLive(video, streamingPlaylist)
   }
@@ -43,10 +46,19 @@ async function processVideoLiveEnding (job: Bull.Job) {
   return saveLive(video, live)
 }
 
+async function cleanupLive (video: MVideo, streamingPlaylist: MStreamingPlaylist) {
+  const hlsDirectory = getHLSDirectory(video)
+
+  await remove(hlsDirectory)
+
+  await streamingPlaylist.destroy()
+}
+
 // ---------------------------------------------------------------------------
 
 export {
-  processVideoLiveEnding
+  processVideoLiveEnding,
+  cleanupLive
 }
 
 // ---------------------------------------------------------------------------
@@ -131,16 +143,9 @@ async function saveLive (video: MVideo, live: MVideoLive) {
   await publishAndFederateIfNeeded(videoWithFiles, true)
 }
 
-async function cleanupLive (video: MVideo, streamingPlaylist: MStreamingPlaylist) {
-  const hlsDirectory = getHLSDirectory(video)
-
-  await remove(hlsDirectory)
-
-  streamingPlaylist.destroy()
-    .catch(err => logger.error('Cannot remove live streaming playlist.', { err }))
-}
-
 async function cleanupLiveFiles (hlsDirectory: string) {
+  if (!await pathExists(hlsDirectory)) return
+
   const files = await readdir(hlsDirectory)
 
   for (const filename of files) {
diff --git a/server/lib/live-manager.ts b/server/lib/live-manager.ts
index 4f45ce530..dcf016169 100644
--- a/server/lib/live-manager.ts
+++ b/server/lib/live-manager.ts
@@ -19,6 +19,7 @@ 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'
@@ -153,6 +154,10 @@ class LiveManager {
     watchers.push(new Date().getTime())
   }
 
+  cleanupShaSegments (videoUUID: string) {
+    this.segmentsSha256.delete(videoUUID)
+  }
+
   private getContext () {
     return context
   }
@@ -184,6 +189,14 @@ 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)
@@ -372,7 +385,13 @@ class LiveManager {
       logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl)
 
       this.transSessions.delete(sessionId)
+
       this.watchersPerVideo.delete(videoLive.videoId)
+      this.videoSessions.delete(videoLive.videoId)
+
+      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
@@ -412,14 +431,21 @@ 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)