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fix: Reconnect VDL2/ACARS streams after navigating away from ADS-B dashboard

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When navigating away from the dashboard and back, the page reloads with
no knowledge of running decoders. Add status checks on page load to sync
UI state and reconnect SSE streams. Also add auto-reconnect on SSE error
with guard conditions to prevent loops when intentionally stopped.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-02-17 09:38:02 +00:00
parent df2c0a0d25
commit 831426948f
1 changed files with 43 additions and 1 deletions
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44
templates/adsb_dashboard.html
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@@ -3359,6 +3359,22 @@ sudo make install</code>
sidebar.classList.add('collapsed');
}
updateAcarsFreqCheckboxes();
// Check if ACARS is already running (e.g. after page reload)
fetch('/acars/status')
.then(r => r.json())
.then(data => {
if (data.running) {
isAcarsRunning = true;
acarsMessageCount = data.message_count || 0;
document.getElementById('acarsCount').textContent = acarsMessageCount;
document.getElementById('acarsToggleBtn').textContent = '■ STOP ACARS';
document.getElementById('acarsToggleBtn').classList.add('active');
document.getElementById('acarsPanelIndicator').classList.add('active');
startAcarsStream(false);
}
})
.catch(() => {});
});
function updateAcarsFreqCheckboxes() {
@@ -3542,6 +3558,11 @@ sudo make install</code>
acarsEventSource.onerror = function() {
console.error('ACARS stream error');
setTimeout(() => {
if (isAcarsRunning) {
startAcarsStream(acarsCurrentAgent !== null);
}
}, 2000);
};
// Start polling fallback for agent mode
@@ -3872,6 +3893,11 @@ sudo make install</code>
vdl2EventSource.onerror = function() {
console.error('VDL2 stream error');
setTimeout(() => {
if (isVdl2Running) {
startVdl2Stream(vdl2CurrentAgent !== null);
}
}, 2000);
};
// Start polling fallback for agent mode
@@ -4163,7 +4189,7 @@ sudo make install</code>
URL.revokeObjectURL(url);
}
// Populate VDL2 device selector
// Populate VDL2 device selector and check running status
document.addEventListener('DOMContentLoaded', () => {
fetch('/devices')
.then(r => r.json())
@@ -4185,6 +4211,22 @@ sudo make install</code>
}
}
});
// Check if VDL2 is already running (e.g. after page reload)
fetch('/vdl2/status')
.then(r => r.json())
.then(data => {
if (data.running) {
isVdl2Running = true;
vdl2MessageCount = data.message_count || 0;
document.getElementById('vdl2Count').textContent = vdl2MessageCount;
document.getElementById('vdl2ToggleBtn').innerHTML = '&#9632; STOP VDL2';
document.getElementById('vdl2ToggleBtn').classList.add('active');
document.getElementById('vdl2PanelIndicator').classList.add('active');
startVdl2Stream(false);
}
})
.catch(() => {});
});
// ============================================