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import { ipcMain, app } from 'electron';
import path from 'path';
import net from 'net';
import startServer from '../../server/start';
const DEFAULT_PORT = 45569;
const portInUse = function (port) {
return new Promise((resolve) => {
const server = net.createServer((socket) => {
socket.write('Echo server\r\n');
socket.pipe(socket);
});
server.listen(port, '127.0.0.1');
server.on('error', () => {
resolve(true);
});
server.on('listening', () => {
server.close();
resolve(false);
});
});
};
let localServerStarted = false;
export default (params) => {
ipcMain.on('startLocalServer', () => {
if (!localServerStarted) {
// Find next unused port for server
let port = DEFAULT_PORT;
(async () => {
// eslint-disable-next-line no-await-in-loop
while (await portInUse(port) && port < DEFAULT_PORT + 10) {
port += 1;
}
console.log('Starting local server on port', port);
startServer(
path.join(app.getPath('userData'), 'server.sqlite'),
port,
);
params.mainWindow.webContents.send('localServerPort', {
port,
});
})();
localServerStarted = true;
}
});
};
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