wss.on('connection', function (ws) {
trackerServer.onWebSocketConnection(ws)
})
+wss.on('error', err => logger.error('Error in websocket server.', err))
const onHttpRequest = trackerServer.onHttpRequest.bind(trackerServer)
app.get('/tracker/announce', (req, res) => onHttpRequest(req, res, { action: 'announce' }))