Add ability to expose TCP connections (#123)

app/Server/Http/Controllers/Admin/DisconnectTcpConnectionController.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Server\Http\Controllers\Admin;
+
+use App\Contracts\ConnectionManager;
+use App\Server\Configuration;
+use App\Server\Connections\TcpControlConnection;
+use Illuminate\Http\Request;
+use Ratchet\ConnectionInterface;
+
+class DisconnectTcpConnectionController extends AdminController
+{
+    /** @var ConnectionManager */
+    protected $connectionManager;
+
+    /** @var Configuration */
+    protected $configuration;
+
+    public function __construct(ConnectionManager $connectionManager)
+    {
+        $this->connectionManager = $connectionManager;
+    }
+
+    public function handle(Request $request, ConnectionInterface $httpConnection)
+    {
+        $connection = $this->connectionManager->findControlConnectionForClientId($request->get('id'));
+
+        if (! is_null($connection)) {
+            $connection->close();
+
+            $this->connectionManager->removeControlConnection($connection);
+        }
+
+        $httpConnection->send(respond_json([
+            'tcp_connections' => collect($this->connectionManager->getConnections())
+                ->filter(function ($connection) {
+                    return get_class($connection) === TcpControlConnection::class;
+                })
+                ->values(),
+        ]));
+    }
+}