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fix: prevent EADDRINUSE double-bind on Holesail client startup

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Add global activeClientKeys Set to track all active clients and prevent
race conditions between domain init and cache restore paths. Add EADDRINUSE
error handling in holesail.js, holesail_child.js
This commit is contained in:
Raven Scott
2026-02-20 19:53:16 -05:00
parent 8d0efde1cc
commit 8bed09a537
6 changed files with 125 additions and 8 deletions
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includes/networking/holesail.js
+30 -2
View File
@@ -83,6 +83,20 @@ async function startHolesailClient(domain, hash, ip, port, persistent = false) {
logDebug('Holesail', `Holesail client already exists for ${key}`);
return;
}
// Check global activeClientKeys to prevent double-bind (both forked and direct paths)
if (state.activeClientKeys && state.activeClientKeys.has(key)) {
logDebug('Holesail', `Holesail client already starting/active for ${key} (global check), waiting...`);
// Wait for the existing promise to complete
if (state.starting.has(key)) {
await state.starting.get(key);
return;
}
return;
}
// Mark as active before starting
if (state.activeClientKeys) {
state.activeClientKeys.add(key);
}
let startPromise = state.starting.get(key);
if (!startPromise) {
startPromise = (async () => {
@@ -230,10 +244,24 @@ async function startHolesailClient(domain, hash, ip, port, persistent = false) {
state.holesailClientTimeouts.set(key, timeout);
}
} catch (err) {
logError('Holesail', `Error connecting Holesail client for ${key}: ${err.message}`);
if (err.code === 'EADDRINUSE' || err.message.includes('EADDRINUSE')) {
logWarn('Holesail', `Port ${port} on ${ip} already in use (EADDRINUSE) for ${key}, skipping duplicate bind`);
if (state.activeClientKeys) {
state.activeClientKeys.delete(key);
}
} else {
logError('Holesail', `Error connecting Holesail client for ${key}: ${err.message}`);
}
}
} catch (err) {
logError('Holesail', `Failed to start Holesail client for ${key}: ${err.message}`);
if (err.code === 'EADDRINUSE' || err.message.includes('EADDRINUSE')) {
logWarn('Holesail', `Port ${port} on ${ip} already in use (EADDRINUSE) for ${key}, skipping duplicate bind`);
if (state.activeClientKeys) {
state.activeClientKeys.delete(key);
}
} else {
logError('Holesail', `Failed to start Holesail client for ${key}: ${err.message}`);
}
} finally {
state.starting.delete(key);
}
includes/networking/holesail_child.js
+14 -3
View File
@@ -38,9 +38,20 @@ process.on('message', async (msg) => {
}
const holesail = new Holesail(opts);
await holesail.ready();
process.send({ type: 'ready', info: holesail.info });
// Keep running
try {
await holesail.ready();
process.send({ type: 'ready', info: holesail.info });
// Keep running
} catch (err) {
if (err.code === 'EADDRINUSE' || err.message.includes('EADDRINUSE')) {
console.warn(`Port ${opts.port} on ${opts.host} already in use (EADDRINUSE), exiting gracefully`);
process.send({ type: 'error', message: 'EADDRINUSE: Port already in use' });
process.exit(0); // Graceful exit instead of crash
} else {
process.send({ type: 'error', message: err.message });
process.exit(1);
}
}
} catch (err) {
process.send({ type: 'error', message: err.message });
process.exit(1);