implement startup mode, init nex filesystem server

Author: yggverse

README.md

@@ -11,6 +11,10 @@ Based on [Ratchet](https://github.com/ratchetphp/Ratchet) asynchronous socket li
 * Multi-protocol:
   * [x] [NEX](https://nightfall.city/nex/info/specification.txt)
   * [ ] [Gemini](https://geminiprotocol.net)
+* Multi-mode:
+ * [x] Static filesystem
+ * [ ] Dynamic application
+ * [ ] Reverse proxy
 * Connection event log
 * Optional:
   * file navigation on directory request
@@ -71,6 +75,8 @@ Provide arguments in `key=value` format, separated by space
 
 ###### Optional
 
+* `mode` - server implementation variant, `fs` (filesystem) by default
+  * `fs` - static files hosting for the `root` location
 * `host` - default is `127.0.0.1` e.g. `localhost` connections only
 * `port` - default value depends of server `type` selected, for example `1900` for `nex` or `1965` for `gemini`
 * `file` - index **file name** that server try to open on directory path requested, disabled by default

default.json

@@ -1,5 +1,6 @@
 {
     "host":"127.0.0.1",
+    "mode":"fs",
     "list":true,
     "dump":true
 }

src/Controller/Nex.php renamed to 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 @@ public function __construct(
                         (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 @@
     {
         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 @@
 catch (\Exception $exception)
 {
     // @TODO
+    print(
+        $exception->getMessage()
+    ) . PHP_EOL;
 }