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maziggy
62a64006b8
The single-connection barrier from the last round was correct and was being bypassed. shutdown_broadcaster() popped the broadcaster out of the registry and only then awaited its teardown, so while the socket was still closing the slot sat empty: a /camera/stream request landing in that window minted a broadcaster with no predecessor and dialled port 6000 immediately. A page reload fires /camera/stop and the new stream request concurrently, so a P1S ended up holding two connections, kept feeding the orphan, and starved the live viewer until its TCP keepalive reaped the dead one ~20 min later. The stopped broadcaster now stays in the registry so the successor chains behind its socket close. The camera page also rendered the <img> src before the stream token arrived whenever auth was disabled, then swapped it once the token landed — aborting the in-flight request and issuing a second one. With auth off both reached the backend, so every load attached two viewers to a one-socket printer. The src now waits for the token query to settle. Subscribers only checked for client disconnect after yielding a frame or on a 30s idle timeout, so a viewer that left during a black stream stayed counted — and /camera/stop trusts that count to decide whether to tear the upstream down.
41 lines
1.8 KiB
HTML
41 lines
1.8 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
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<!-- L-4: Restrict Referer header to origin-only on cross-origin navigation so
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sensitive tokens in query parameters are not leaked to third-party servers. -->
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<meta name="referrer" content="strict-origin-when-cross-origin" />
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<title>Bambuddy</title>
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<!-- PWA Meta Tags -->
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<meta name="description" content="Monitor and manage your Bambu Lab 3D printers" />
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<meta name="theme-color" content="#00ae42" />
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<meta name="mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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<meta name="apple-mobile-web-app-title" content="Bambuddy" />
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<!-- Manifest -->
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<link rel="manifest" href="/manifest.json" />
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<!-- Favicons -->
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<link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png" />
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<link rel="icon" type="image/png" sizes="16x16" href="/img/favicon-16x16.png" />
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<link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png" />
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<!-- Splash screens for iOS -->
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<link rel="apple-touch-startup-image" href="/img/android-chrome-512x512.png" />
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<script type="module" crossorigin src="/assets/index-C-4pTpBI.js"></script>
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<link rel="stylesheet" crossorigin href="/assets/index-4NXlsp1C.css">
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</head>
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<body>
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<div id="root"></div>
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<!-- Service Worker Registration (skip on SpoolBuddy kiosk).
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Kept as an external file so the CSP `script-src 'self'` covers it
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without needing 'unsafe-inline' or per-build hashes. -->
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<script src="/sw-register.js"></script>
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</body>
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</html>
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