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fix: add game_running_marker to prevent duplicate launches

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This commit is contained in:
Fazri Gading
2026-02-02 01:35:43 +08:00
parent b5cd9ca791
commit 0015ecbe80
1 changed files with 48 additions and 0 deletions
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48
backend/managers/gameLauncher.js
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@@ -396,6 +396,34 @@ exec "$REAL_JAVA" "\${ARGS[@]}"
}
}
// ==========================================================================
// STEP 4: Check if game is already running (prevent duplicate launches)
// ==========================================================================
const GAME_RUNNING_MARKER = path.join(userDataDir, '.game_running');
if (fs.existsSync(GAME_RUNNING_MARKER)) {
try {
const existingPid = fs.readFileSync(GAME_RUNNING_MARKER, 'utf8').trim();
const error = new Error(`Game is already running (PID: ${existingPid}). Please close it before launching again.`);
console.error('[Launcher]', error.message);
if (progressCallback) {
progressCallback(error.message, -1, null, null, null);
}
throw error;
} catch (err) {
if (err.message.includes('already running')) {
throw err;
}
// File is corrupted, clean it up and continue
console.log('Game running marker corrupted, cleaning up and continuing...');
try {
fs.unlinkSync(GAME_RUNNING_MARKER);
} catch (unlinkErr) {
// Ignore if file is already gone
}
}
}
try {
let spawnOptions = {
stdio: ['ignore', 'pipe', 'pipe'],
@@ -415,6 +443,15 @@ exec "$REAL_JAVA" "\${ARGS[@]}"
// This works on all platforms (Windows, macOS, Linux)
child.unref();
// Write game running marker file to track process
try {
fs.writeFileSync(GAME_RUNNING_MARKER, child.pid.toString());
console.log(`Game running marker created: ${GAME_RUNNING_MARKER} (PID: ${child.pid})`);
} catch (markerErr) {
console.warn('Failed to create game running marker:', markerErr.message);
// Continue anyway - not critical if marker fails
}
console.log(`Game process started with PID: ${child.pid}`);
let hasExited = false;
@@ -447,6 +484,17 @@ exec "$REAL_JAVA" "\${ARGS[@]}"
child.on('exit', (code, signal) => {
hasExited = true;
clearTimeout(launchCheckTimeout);
// Clean up game running marker file
try {
if (fs.existsSync(GAME_RUNNING_MARKER)) {
fs.unlinkSync(GAME_RUNNING_MARKER);
console.log('Game running marker removed');
}
} catch (markerCleanupErr) {
console.warn('Failed to remove game running marker:', markerCleanupErr.message);
}
if (code !== null) {
console.log(`Game process exited with code ${code}`);
if (code !== 0 && progressCallback) {