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legop3
2026-04-28 02:17:25 -04:00
parent 76e966abec
commit 1ea5929f79
1 changed files with 23 additions and 9 deletions
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server/src/services/replayEngineV2.js
+23 -9
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@@ -12,7 +12,7 @@ const { getRoomCameras, roomCameraEvents } = require('./roomCameraService');
const execFileAsync = promisify(execFile);
const FFMPEG_BIN = process.env.FFMPEG_BIN || 'ffmpeg';
const SEGMENT_ROOT = process.env.REPLAY_SEGMENT_DIR || '/var/lib/replay-segments-v2';
const SEGMENT_ROOT = process.env.REPLAY_SEGMENT_DIR || '/var/lib/replay-segments';
const SEGMENT_SECONDS = Math.max(1, Number.parseInt(process.env.REPLAY_SEGMENT_SECONDS || '1', 10));
const BUFFER_SECONDS = Math.max(20, Number.parseInt(process.env.REPLAY_BUFFER_SECONDS || '45', 10));
const CLEANUP_INTERVAL_MS = 10_000;
@@ -28,13 +28,14 @@ const events = new EventEmitter();
const workers = new Map(); // key -> worker
const segmentIndex = new Map(); // key -> [{filePath,startMs,endMs,mtimeMs,size,kind,sourceType,sourceId}]
let cleanupTimer = null;
let activeSegmentRoot = SEGMENT_ROOT;
function sourceKey(source) {
return `${source.sourceType}__${source.kind}__${source.id}`;
}
function sourceDirForKey(key) {
return path.join(SEGMENT_ROOT, key);
return path.join(activeSegmentRoot, key);
}
function toSrtReadPath(streamId) {
@@ -312,11 +313,11 @@ async function refreshSegmentIndex() {
async function cleanupOldFiles() {
const cutoff = Date.now() - BUFFER_SECONDS * 1000;
try {
await ensureDir(SEGMENT_ROOT);
const dirs = await fsp.readdir(SEGMENT_ROOT, { withFileTypes: true });
await ensureDir(activeSegmentRoot);
const dirs = await fsp.readdir(activeSegmentRoot, { withFileTypes: true });
for (const dirent of dirs) {
if (!dirent.isDirectory()) continue;
const dirPath = path.join(SEGMENT_ROOT, dirent.name);
const dirPath = path.join(activeSegmentRoot, dirent.name);
let files;
try {
files = await fsp.readdir(dirPath, { withFileTypes: true });
@@ -654,8 +655,8 @@ function getReplayHealthSnapshot() {
}
async function bootstrapIndexFromDisk() {
await ensureDir(SEGMENT_ROOT);
const dirs = await fsp.readdir(SEGMENT_ROOT, { withFileTypes: true });
await ensureDir(activeSegmentRoot);
const dirs = await fsp.readdir(activeSegmentRoot, { withFileTypes: true });
for (const dirent of dirs) {
if (!dirent.isDirectory()) continue;
segmentIndex.set(dirent.name, []);
@@ -670,7 +671,20 @@ async function tick() {
}
async function start() {
await ensureDir(SEGMENT_ROOT);
try {
await ensureDir(SEGMENT_ROOT);
activeSegmentRoot = SEGMENT_ROOT;
} catch (err) {
const fallback = path.join(os.tmpdir(), 'mrr-replay-segments');
await ensureDir(fallback);
activeSegmentRoot = fallback;
logger.warn('Replay segment root unavailable; using fallback path', {
configuredRoot: SEGMENT_ROOT,
fallbackRoot: fallback,
error: err.message,
});
}
logger.info('Replay engine using segment root', { segmentRoot: activeSegmentRoot });
await bootstrapIndexFromDisk();
await tick();
if (cleanupTimer) clearInterval(cleanupTimer);
@@ -697,7 +711,7 @@ module.exports = {
buildReplayVideo,
getReplayHealthSnapshot,
replayEngineEvents: events,
replaySegmentRootDir: SEGMENT_ROOT,
replaySegmentRootDir: () => activeSegmentRoot,
replaySegmentSeconds: SEGMENT_SECONDS,
replayBufferSeconds: BUFFER_SECONDS,
};