const WebSocket = require('ws');

console.log('Testing connection to remote...');
const ws = new WebSocket('ws://146.56.248.142:8083/ws?password=wzw20040525', {
  handshakeTimeout: 5000
});

ws.on('open', () => {
  console.log('Connected!');
  ws.close();
  process.exit(0);
});

ws.on('error', (err) => {
  console.log('Error:', err.message);
  process.exit(1);
});

setTimeout(() => {
  console.log('Connection timeout');
  process.exit(1);
}, 8000);