1 files changed, 64 insertions, 0 deletions

diff --git a/server/lib/live/live-segment-sha-store.ts b/server/lib/live/live-segment-sha-store.ts
new file mode 100644
index 000000000..4af6f3ebf
--- /dev/null
+++ b/server/lib/live/live-segment-sha-store.ts
@@ -0,0 +1,64 @@
+import { basename } from 'path'
+import { logger, loggerTagsFactory } from '@server/helpers/logger'
+import { buildSha256Segment } from '../hls'
+
+const lTags = loggerTagsFactory('live')
+
+class LiveSegmentShaStore {
+
+  private static instance: LiveSegmentShaStore
+
+  private readonly segmentsSha256 = new Map<string, Map<string, string>>()
+
+  private constructor () {
+  }
+
+  getSegmentsSha256 (videoUUID: string) {
+    return this.segmentsSha256.get(videoUUID)
+  }
+
+  async addSegmentSha (videoUUID: string, segmentPath: string) {
+    const segmentName = basename(segmentPath)
+    logger.debug('Adding live sha segment %s.', segmentPath, lTags(videoUUID))
+
+    const shaResult = await buildSha256Segment(segmentPath)
+
+    if (!this.segmentsSha256.has(videoUUID)) {
+      this.segmentsSha256.set(videoUUID, new Map())
+    }
+
+    const filesMap = this.segmentsSha256.get(videoUUID)
+    filesMap.set(segmentName, shaResult)
+  }
+
+  removeSegmentSha (videoUUID: string, segmentPath: string) {
+    const segmentName = basename(segmentPath)
+
+    logger.debug('Removing live sha segment %s.', segmentPath, lTags(videoUUID))
+
+    const filesMap = this.segmentsSha256.get(videoUUID)
+    if (!filesMap) {
+      logger.warn('Unknown files map to remove sha for %s.', videoUUID, lTags(videoUUID))
+      return
+    }
+
+    if (!filesMap.has(segmentName)) {
+      logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath, lTags(videoUUID))
+      return
+    }
+
+    filesMap.delete(segmentName)
+  }
+
+  cleanupShaSegments (videoUUID: string) {
+    this.segmentsSha256.delete(videoUUID)
+  }
+
+  static get Instance () {
+    return this.instance || (this.instance = new this())
+  }
+}
+
+export {
+  LiveSegmentShaStore
+}