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legop3
2026-09-28 18:15:37 -04:00
parent b59389870e
commit 50c2c1f5db
7 changed files with 79 additions and 23 deletions
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server/src/services/roverLearningService/recording.js
+9 -6
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@@ -1,5 +1,6 @@
// One bounded recording session. Video packets retain receiver wall-clock PTS;
// telemetry uses the same server clock, not an assumed browser playback clock.
const { errorDetails, redact } = require('./errors');
const fs = require('node:fs');
const fsp = require('node:fs/promises');
const path = require('node:path');
@@ -34,6 +35,7 @@ async function createRecording({ root, roverId, snapshot, logger, docked = false
let dockedAt = null;
let pruning = Promise.resolve();
let failure = null;
let failureDetails = null;
let stopping = false;
let stopPromise;
let child;
@@ -43,7 +45,7 @@ async function createRecording({ root, roverId, snapshot, logger, docked = false
let resolveVideo;
const videoClosed = new Promise((resolve) => { resolveVideo = resolve; });
output.on('error', (error) => {
failure = error.message;
failure = error.message; failureDetails = errorDetails(error, 'recording session');
// Stop file growth immediately when telemetry is no longer writable.
child?.kill('SIGTERM');
});
@@ -76,7 +78,7 @@ async function createRecording({ root, roverId, snapshot, logger, docked = false
output.write(line);
} catch (error) {
metadata.droppedEvents += 1;
failure = error.message;
failure = error.message; failureDetails = errorDetails(error, 'recording session');
child?.kill('SIGTERM');
}
return true;
@@ -97,7 +99,7 @@ async function createRecording({ root, roverId, snapshot, logger, docked = false
'-reset_timestamps', '0', path.join(directory, 'video-%09d.mkv'),
], { stdio: ['ignore', 'ignore', 'pipe'] });
child.stderr.on('data', (chunk) => { stderr = (stderr + chunk.toString()).slice(-4096); });
child.on('error', (error) => { failure = error.message; });
child.on('error', (error) => { failure = error.message; failureDetails = errorDetails(error, 'recording session'); });
child.once('close', (code, signal) => {
childClosed = true;
videoResult = { code, signal, stderr };
@@ -131,7 +133,7 @@ async function createRecording({ root, roverId, snapshot, logger, docked = false
if (!metadata.bufferOnly || stopping) return;
if (stat.mtimeMs < Date.now() - 5000) await fsp.unlink(filename);
}
}).catch((error) => { failure = error.message; child.kill('SIGTERM'); });
}).catch((error) => { failure = error.message; failureDetails = errorDetails(error, 'recording session'); child.kill('SIGTERM'); });
}
async function stop(reason) {
@@ -158,9 +160,10 @@ async function createRecording({ root, roverId, snapshot, logger, docked = false
metadata.endedAt = Date.now();
metadata.reason = reason;
metadata.error = failure;
metadata.failureDetails = failureDetails;
metadata.video.result = videoResult;
await saveMetadata(directory, metadata);
if (failure) logger.warn('Recording session incomplete', { roverId, id, error: failure, stderr });
if (failure) logger.warn('Recording session incomplete', { roverId, id, error: failure, failure: failureDetails, stderr });
})();
return stopPromise;
}
@@ -173,7 +176,7 @@ async function createRecording({ root, roverId, snapshot, logger, docked = false
get failed() { return Boolean(failure); },
get stopping() { return stopping; },
getStatus: () => ({ id, roverId, startedAt: metadata.startedAt, droppedEvents: metadata.droppedEvents,
video: childClosed ? 'stopped' : metadata.bufferOnly ? 'Dock lead-in buffer' : 'Recording human driving', error: failure, stopping }),
video: childClosed ? 'stopped' : metadata.bufferOnly ? 'Dock lead-in buffer' : 'Recording human driving', error: redact(failure), failureDetails, stderr: redact(stderr), stopping }),
// Process exit is synchronous; normal disable uses stop() and awaits close.
kill: () => { if (!childClosed) child.kill('SIGKILL'); },
};