implement startup mode, init nex filesystem server

src/Controller/Nex/Filesystem.php

@@ -1,10 +1,10 @@
 <?php
 
-namespace Yggverse\Next\Controller;
+namespace Yggverse\Next\Controller\Nex;
 
 use \Ratchet\MessageComponentInterface;
 
-class Nex implements MessageComponentInterface
+class Filesystem implements MessageComponentInterface
 {
     private \Yggverse\Next\Model\Environment $_environment;
     private \Yggverse\Next\Model\Filesystem $_filesystem;
@@ -43,7 +43,7 @@ class Nex implements MessageComponentInterface
                         (string) $this->_environment->get('port'),
                         (string) $this->_filesystem->root()
                     ],
-                    _('[{time}] [init] server started at {host}:{port}{root}')
+                    _('[{time}] [init] filesystem server started at nex://{host}:{port}{root}')
                 ) . PHP_EOL
             );
         }

src/server.php

@@ -31,11 +31,26 @@ try
     {
         case 'nex':
 
+            switch ($environment->get('mode'))
+            {
+                case 'fs':
+
+                    $controller = new \Yggverse\Next\Controller\Nex\Filesystem(
+                        $environment,
+                        $filesystem
+                    );
+
+                break;
+
+                default:
+
+                    throw new \Exception(
+                        _('unsupported mode for nex server type!')
+                    );
+            }
+
             $server = \Ratchet\Server\IoServer::factory(
-                new \Yggverse\Next\Controller\Nex(
-                    $environment,
-                    $filesystem
-                ),
+                $controller,
                 $environment->get('port'),
                 $environment->get('host')
             );
@@ -56,4 +71,7 @@ try
 catch (\Exception $exception)
 {
     // @TODO
+    print(
+        $exception->getMessage()
+    ) . PHP_EOL;
 }