# Code Examples

## JavaScript / Node.js

```javascript
const io = require("socket.io-client");

const SERVER_URL = "wss://rms.lsports.eu";
const CUSTOMER_ID = "YOUR_CUSTOMER_ID";
const ACCESS_TOKEN = "YOUR_ACCESS_TOKEN";

const socket = io(SERVER_URL, {
  path: "/rms-socket/socket.io",
  transports: ["websocket", "polling"],
  extraHeaders: {
    Authorization: `Bearer ${ACCESS_TOKEN}`,
    customerid: CUSTOMER_ID,
  },
  reconnection: true,
  reconnectionAttempts: 10,
  reconnectionDelay: 1000,
});

// Connection events
socket.on("connect", () => {
  console.log("Connected:", socket.id);
  socket.emit("join", {}, (response) => {
    console.log("Room:", response.room);
  });
});

socket.on("connect_error", (error) => {
  console.error("Connection failed:", error.message);
});

socket.on("disconnect", (reason) => {
  console.log("Disconnected:", reason);
});

socket.on("reconnect", () => {
  console.log("Reconnected");
  socket.emit("join", {});
});

// Business events
socket.on("RESERVE_BET_ACCEPT", (data) => {
  console.log("Bet accepted:", data);
});

socket.on("RESERVE_BET_REJECT", (data) => {
  console.log("Bet rejected:", data);
});

socket.on("announcements", (data) => {
  console.log("Announcement:", data.message);
});
```

***

## Python

```python
import socketio

SERVER_URL = "wss://rms.lsports.eu"
CUSTOMER_ID = "YOUR_CUSTOMER_ID"
ACCESS_TOKEN = "YOUR_ACCESS_TOKEN"

sio = socketio.Client()

@sio.event
def connect():
    print("Connected!")
    sio.emit("join", {}, callback=on_join)

def on_join(response):
    print(f"Joined room: {response['room']}")

@sio.event
def connect_error(error):
    print(f"Connection failed: {error}")

@sio.event
def disconnect():
    print("Disconnected")

@sio.on("RESERVE_BET_ACCEPT")
def on_bet_accept(data):
    print(f"Bet accepted: {data}")

@sio.on("RESERVE_BET_REJECT")
def on_bet_reject(data):
    print(f"Bet rejected: {data}")

sio.connect(
    SERVER_URL,
    socketio_path="/rms-socket/socket.io",
    transports=["websocket", "polling"],
    headers={
        "Authorization": f"Bearer {ACCESS_TOKEN}",
        "customerid": CUSTOMER_ID,
    }
)

sio.wait()
```

***

## Browser

```html
<script src="https://cdn.socket.io/4.0.0/socket.io.min.js"></script>
<script>
const socket = io("wss://rms.lsports.eu", {
  path: "/rms-socket/socket.io",
  transports: ["websocket", "polling"],
  extraHeaders: {
    Authorization: "Bearer YOUR_ACCESS_TOKEN",
    customerid: "YOUR_CUSTOMER_ID",
  },
});

socket.on("connect", () => {
  console.log("Connected:", socket.id);
  socket.emit("join", {}, (response) => {
    console.log("Room:", response.room);
  });
});

socket.on("RESERVE_BET_ACCEPT", (data) => {
  console.log("Bet accepted:", data);
  // Update your UI here
});

socket.on("connect_error", (error) => {
  console.error("Error:", error.message);
});
</script>
```

***

## Related

* [Quick Start & Best Practices](/u/defend/websocket-connection/quick-start-and-best-practices.md)
* [Error Handling](/u/defend/websocket-connection/error-handling.md)
* [Authentication Guide](/u/defend/integration-guide/authentication.md)


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