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Add receiver health UX, fix restart crash, add interface scan selector

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Receiver management improvements for the admin Receivers tab:

- Per-receiver health: server now tracks each connection's state
  (connecting/connected/down), message count, and last-message time, exposed
  via new GET /api/admin/receiver-status and POST /api/admin/test-receivers.
- Receivers tab redesign: live "Active Receivers" panel with colored
  indicators (green=receiving, yellow=connected/no data, red=unreachable),
  a clear select -> SAVE & APPLY -> auto-test flow, and selectable scan
  results with a "USE SELECTED RECEIVERS" action.
- Network scan interface selector: scan a chosen interface/subnet instead of
  every local subnet. Oversized subnets (>/20, e.g. a docker /16) are disabled
  in the UI and rejected server-side, eliminating slow/hanging scans.

Critical fix — server crash on receiver restart:

- Receiver connection tasks were awaited inside main()'s top-level
  asyncio.gather. Restarting receivers cancels those tasks, and the resulting
  CancelledError propagated into the gather and killed the whole server
  process (every action after a restart then failed). Receiver tasks now run
  as independent background tasks; restart cancels and awaits them with
  return_exceptions=True so cancellation can never tear down the server.

Also cache-bust admin.css/admin.js/pixel-editor.js (?v=) so updated assets
load without a manual hard-refresh, and surface a clear message instead of a
silent "Loading…" when the status endpoint is unavailable.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
root
2026-06-09 12:49:45 -07:00
parent 3f62661ed7
commit 58f7fb11a3
4 changed files with 480 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files
admin/admin.html
+44 -12
View File
@@ -7,7 +7,7 @@
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap" rel="stylesheet">
<link rel="stylesheet" href="/admin/admin.css">
<link rel="stylesheet" href="/admin/admin.css?v=20260609b">
</head>
<body>
<!-- Login Screen -->
@@ -76,37 +76,69 @@
<!-- Receivers Tab -->
<section id="tab-receivers" class="tab-pane hidden">
<h2>Receiver Configuration</h2>
<div id="network-info-box" class="info-box">
<h3>Host Network</h3>
<div id="network-info">Loading...</div>
<!-- Live status of the receivers the app is currently using -->
<div id="receiver-status-box" class="info-box">
<h3>Active Receivers <span id="receiver-status-summary" class="rx-summary"></span></h3>
<div id="receiver-status-list">Loading...</div>
<div class="button-row">
<button id="test-receivers-btn" class="btn">TEST CONNECTIONS</button>
<button id="restart-receivers-btn" class="btn">RESTART CONNECTIONS</button>
</div>
<p class="hint">🟢 receiving data &nbsp; 🟡 connected, no data yet &nbsp; 🔴 unreachable</p>
</div>
<!-- Step 1: choose how receivers are selected -->
<div class="rx-section-label">1. Select Receivers</div>
<div class="form-group">
<label>Discovery Mode</label>
<select id="receiver-mode">
<option value="AUTO">AUTO (scan network)</option>
<option value="MANUAL">MANUAL (specify IPs)</option>
<option value="AUTO">AUTO (use all receivers found on the network)</option>
<option value="MANUAL">MANUAL (use only the IPs I specify)</option>
</select>
</div>
<div id="manual-ips-group" class="form-group hidden">
<label>Receiver IPs (one per line)</label>
<textarea id="receiver-ips-input" rows="4" placeholder="192.168.1.100&#10;192.168.1.101"></textarea>
<span class="hint">The app connects to every IP listed here.</span>
</div>
<div class="form-group">
<label>Receiver Port</label>
<input type="number" id="receiver-port" value="30003" min="1" max="65535">
</div>
<!-- Step 2: save + apply -->
<div class="rx-section-label">2. Save &amp; Apply</div>
<div class="button-row">
<button id="save-receivers-btn" class="btn btn-primary">SAVE &amp; APPLY</button>
</div>
<p class="hint">Saves your selection, reconnects immediately, then re-tests the receivers below.</p>
<!-- Find receivers on the network -->
<div class="rx-section-label">Find Receivers on Network</div>
<div class="form-group">
<label>Custom Subnet (optional)</label>
<input type="text" id="scan-subnet" placeholder="e.g. 10.0.0.0/24 (leave empty to scan all local subnets)">
<label>Interface / Subnet to Scan</label>
<select id="scan-interface"></select>
<span class="hint">Pick a network interface to scan, or scan all local subnets.</span>
</div>
<div class="form-group">
<label>Custom Subnet (optional override)</label>
<input type="text" id="scan-subnet" placeholder="e.g. 10.0.0.0/24 — overrides the selection above">
</div>
<div class="button-row">
<button id="scan-receivers-btn" class="btn">SCAN NOW</button>
<button id="restart-receivers-btn" class="btn">RESTART CONNECTIONS</button>
<button id="save-receivers-btn" class="btn btn-primary">SAVE</button>
</div>
<div id="scan-results" class="info-box hidden">
<h3>Scan Results</h3>
<div id="scan-results-list"></div>
<div class="button-row" id="scan-use-row" style="display:none">
<button id="use-selected-btn" class="btn btn-primary">USE SELECTED RECEIVERS</button>
</div>
</div>
<div id="network-info-box" class="info-box">
<h3>Host Network</h3>
<div id="network-info">Loading...</div>
</div>
</section>
@@ -265,7 +297,7 @@
<div id="toast" class="toast hidden"></div>
</div>
<script src="/admin/pixel-editor.js"></script>
<script src="/admin/admin.js"></script>
<script src="/admin/pixel-editor.js?v=20260609b"></script>
<script src="/admin/admin.js?v=20260609b"></script>
</body>
</html>