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peertube/server/core/lib/live/live-utils.ts
2023-10-04 15:13:25 +02:00

100 lines
3.2 KiB
TypeScript

import { pathExists, remove } from 'fs-extra/esm'
import { readdir } from 'fs/promises'
import { basename, join } from 'path'
import { LiveVideoLatencyMode, LiveVideoLatencyModeType, VideoStorage } from '@peertube/peertube-models'
import { logger } from '@server/helpers/logger.js'
import { VIDEO_LIVE } from '@server/initializers/constants.js'
import { MStreamingPlaylist, MStreamingPlaylistVideo, MVideo } from '@server/types/models/index.js'
import { listHLSFileKeysOf, removeHLSFileObjectStorageByFullKey, removeHLSObjectStorage } from '../object-storage/index.js'
import { getLiveDirectory } from '../paths.js'
function buildConcatenatedName (segmentOrPlaylistPath: string) {
const num = basename(segmentOrPlaylistPath).match(/^(\d+)(-|\.)/)
return 'concat-' + num[1] + '.ts'
}
async function cleanupAndDestroyPermanentLive (video: MVideo, streamingPlaylist: MStreamingPlaylist) {
await cleanupTMPLiveFiles(video, streamingPlaylist)
await streamingPlaylist.destroy()
}
async function cleanupUnsavedNormalLive (video: MVideo, streamingPlaylist: MStreamingPlaylist) {
const hlsDirectory = getLiveDirectory(video)
// We uploaded files to object storage too, remove them
if (streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
await removeHLSObjectStorage(streamingPlaylist.withVideo(video))
}
await remove(hlsDirectory)
await streamingPlaylist.destroy()
}
async function cleanupTMPLiveFiles (video: MVideo, streamingPlaylist: MStreamingPlaylist) {
await cleanupTMPLiveFilesFromObjectStorage(streamingPlaylist.withVideo(video))
await cleanupTMPLiveFilesFromFilesystem(video)
}
function getLiveSegmentTime (latencyMode: LiveVideoLatencyModeType) {
if (latencyMode === LiveVideoLatencyMode.SMALL_LATENCY) {
return VIDEO_LIVE.SEGMENT_TIME_SECONDS.SMALL_LATENCY
}
return VIDEO_LIVE.SEGMENT_TIME_SECONDS.DEFAULT_LATENCY
}
export {
cleanupAndDestroyPermanentLive,
cleanupUnsavedNormalLive,
cleanupTMPLiveFiles,
getLiveSegmentTime,
buildConcatenatedName
}
// ---------------------------------------------------------------------------
function isTMPLiveFile (name: string) {
return name.endsWith('.ts') ||
name.endsWith('.m3u8') ||
name.endsWith('.json') ||
name.endsWith('.mpd') ||
name.endsWith('.m4s') ||
name.endsWith('.tmp')
}
async function cleanupTMPLiveFilesFromFilesystem (video: MVideo) {
const hlsDirectory = getLiveDirectory(video)
if (!await pathExists(hlsDirectory)) return
logger.info('Cleanup TMP live files from filesystem of %s.', hlsDirectory)
const files = await readdir(hlsDirectory)
for (const filename of files) {
if (isTMPLiveFile(filename)) {
const p = join(hlsDirectory, filename)
remove(p)
.catch(err => logger.error('Cannot remove %s.', p, { err }))
}
}
}
async function cleanupTMPLiveFilesFromObjectStorage (streamingPlaylist: MStreamingPlaylistVideo) {
if (streamingPlaylist.storage !== VideoStorage.OBJECT_STORAGE) return
logger.info('Cleanup TMP live files from object storage for %s.', streamingPlaylist.Video.uuid)
const keys = await listHLSFileKeysOf(streamingPlaylist)
for (const key of keys) {
if (isTMPLiveFile(key)) {
await removeHLSFileObjectStorageByFullKey(key)
}
}
}