### Install SocketCluster Server

Source: https://github.com/socketcluster/socketcluster-server/blob/master/README.md

Installs the socketcluster-server package using npm. This is a prerequisite for using the SocketCluster server module.

```bash
npm install socketcluster-server
```

--------------------------------

### Basic Server Setup and Connection Handling

Source: https://github.com/socketcluster/socketcluster-server/blob/master/README.md

Demonstrates how to attach the SocketCluster server to a Node.js HTTP server and handle new inbound socket connections. It includes examples for responding to remote procedure calls (RPCs) and receiving transmitted events.

```javascript
const http = require('http');
const socketClusterServer = require('socketcluster-server');

let httpServer = http.createServer();
let agServer = socketClusterServer.attach(httpServer);

(async () => {
  // Handle new inbound sockets.
  for await (let {socket} of agServer.listener('connection')) {

    (async () => {
      // Set up a loop to handle and respond to RPCs for a procedure.
      for await (let req of socket.procedure('customProc')) {
        if (req.data.bad) {
          let error = new Error('Server failed to execute the procedure');
          error.name = 'BadCustomError';
          req.error(error);
        } else {
          req.end('Success');
        }
      }
    })();

    (async () => {
      // Set up a loop to handle remote transmitted events.
      for await (let data of socket.receiver('customRemoteEvent')) {
        // ...
      }
    })();

  }
})();

httpServer.listen(8000);
```

--------------------------------

### Compatibility Mode Configuration

Source: https://github.com/socketcluster/socketcluster-server/blob/master/README.md

Configures the SocketCluster server for compatibility with older SocketCluster clients by setting the protocol version and the server path.

```javascript
let agServer = socketClusterServer.attach(httpServer, {
  protocolVersion: 1,
  path: '/socketcluster/'
});
```

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