1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
import { Mutex } from 'async-mutex'
import { remove } from 'fs-extra'
import { extname, join } from 'path'
import { logger, loggerTagsFactory } from '@server/helpers/logger'
import { extractVideo } from '@server/helpers/video'
import { CONFIG } from '@server/initializers/config'
import { DIRECTORIES } from '@server/initializers/constants'
import { MStreamingPlaylistVideo, MVideo, MVideoFile, MVideoFileStreamingPlaylistVideo, MVideoFileVideo } from '@server/types/models'
import { buildUUID } from '@shared/extra-utils'
import { VideoStorage } from '@shared/models'
import { makeHLSFileAvailable, makeWebTorrentFileAvailable } from './object-storage'
import { getHLSDirectory, getHLSRedundancyDirectory, getHlsResolutionPlaylistFilename } from './paths'
import { isVideoInPrivateDirectory } from './video-privacy'
type MakeAvailableCB <T> = (path: string) => Promise<T> | T
const lTags = loggerTagsFactory('video-path-manager')
class VideoPathManager {
private static instance: VideoPathManager
// Key is a video UUID
private readonly videoFileMutexStore = new Map<string, Mutex>()
private constructor () {}
getFSHLSOutputPath (video: MVideo, filename?: string) {
const base = getHLSDirectory(video)
if (!filename) return base
return join(base, filename)
}
getFSRedundancyVideoFilePath (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) {
if (videoFile.isHLS()) {
const video = extractVideo(videoOrPlaylist)
return join(getHLSRedundancyDirectory(video), videoFile.filename)
}
return join(CONFIG.STORAGE.REDUNDANCY_DIR, videoFile.filename)
}
getFSVideoFileOutputPath (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) {
const video = extractVideo(videoOrPlaylist)
if (videoFile.isHLS()) {
return join(getHLSDirectory(video), videoFile.filename)
}
if (isVideoInPrivateDirectory(video.privacy)) {
return join(DIRECTORIES.VIDEOS.PRIVATE, videoFile.filename)
}
return join(DIRECTORIES.VIDEOS.PUBLIC, videoFile.filename)
}
async makeAvailableVideoFile <T> (videoFile: MVideoFileVideo | MVideoFileStreamingPlaylistVideo, cb: MakeAvailableCB<T>) {
if (videoFile.storage === VideoStorage.FILE_SYSTEM) {
return this.makeAvailableFactory(
() => this.getFSVideoFileOutputPath(videoFile.getVideoOrStreamingPlaylist(), videoFile),
false,
cb
)
}
const destination = this.buildTMPDestination(videoFile.filename)
if (videoFile.isHLS()) {
const playlist = (videoFile as MVideoFileStreamingPlaylistVideo).VideoStreamingPlaylist
return this.makeAvailableFactory(
() => makeHLSFileAvailable(playlist, videoFile.filename, destination),
true,
cb
)
}
return this.makeAvailableFactory(
() => makeWebTorrentFileAvailable(videoFile.filename, destination),
true,
cb
)
}
async makeAvailableResolutionPlaylistFile <T> (videoFile: MVideoFileStreamingPlaylistVideo, cb: MakeAvailableCB<T>) {
const filename = getHlsResolutionPlaylistFilename(videoFile.filename)
if (videoFile.storage === VideoStorage.FILE_SYSTEM) {
return this.makeAvailableFactory(
() => join(getHLSDirectory(videoFile.getVideo()), filename),
false,
cb
)
}
const playlist = videoFile.VideoStreamingPlaylist
return this.makeAvailableFactory(
() => makeHLSFileAvailable(playlist, filename, this.buildTMPDestination(filename)),
true,
cb
)
}
async makeAvailablePlaylistFile <T> (playlist: MStreamingPlaylistVideo, filename: string, cb: MakeAvailableCB<T>) {
if (playlist.storage === VideoStorage.FILE_SYSTEM) {
return this.makeAvailableFactory(
() => join(getHLSDirectory(playlist.Video), filename),
false,
cb
)
}
return this.makeAvailableFactory(
() => makeHLSFileAvailable(playlist, filename, this.buildTMPDestination(filename)),
true,
cb
)
}
async lockFiles (videoUUID: string) {
if (!this.videoFileMutexStore.has(videoUUID)) {
this.videoFileMutexStore.set(videoUUID, new Mutex())
}
const mutex = this.videoFileMutexStore.get(videoUUID)
const releaser = await mutex.acquire()
logger.debug('Locked files of %s.', videoUUID, lTags(videoUUID))
return releaser
}
unlockFiles (videoUUID: string) {
const mutex = this.videoFileMutexStore.get(videoUUID)
mutex.release()
logger.debug('Released lockfiles of %s.', videoUUID, lTags(videoUUID))
}
private async makeAvailableFactory <T> (method: () => Promise<string> | string, clean: boolean, cb: MakeAvailableCB<T>) {
let result: T
const destination = await method()
try {
result = await cb(destination)
} catch (err) {
if (destination && clean) await remove(destination)
throw err
}
if (clean) await remove(destination)
return result
}
private buildTMPDestination (filename: string) {
return join(CONFIG.STORAGE.TMP_DIR, buildUUID() + extname(filename))
}
static get Instance () {
return this.instance || (this.instance = new this())
}
}
// ---------------------------------------------------------------------------
export {
VideoPathManager
}
|
