cache resolved host in memory

src/Box/Main.php

@@ -72,29 +72,49 @@ class Main
             function ($entry)
             {
                 global $config;
+                global $memory;
+
+                $this->tray->label->set_text(
+                    sprintf(
+                        'Open %s...',
+                        $entry->get_text()
+                    )
+                );
+
+                $start = microtime(true);
 
                 $host = null;
 
                 if ($config->resolver->enabled)
                 {
-                    $resolve = new \Yggverse\Net\Resolve(
-                        $config->resolver->request->record,
-                        $config->resolver->request->host,
-                        $config->resolver->request->timeout,
-                        $config->resolver->result->shuffle
-                    );
-
                     $address = new \Yggverse\Net\Address(
                         $entry->get_text()
                     );
 
-                    $resolved = $resolve->address(
-                        $address
-                    );
+                    $name = $address->getHost();
 
-                    if ($resolved)
+                    if (!$host = $memory->get($name))
                     {
-                        $host = $resolved->getHost(); // @TODO memory cache
+                        $resolve = new \Yggverse\Net\Resolve(
+                            $config->resolver->request->record,
+                            $config->resolver->request->host,
+                            $config->resolver->request->timeout,
+                            $config->resolver->result->shuffle
+                        );
+
+                        $resolved = $resolve->address(
+                            $address
+                        );
+
+                        if ($resolved)
+                        {
+                            $host = $resolved->getHost();
+
+                            $memory->set(
+                                $name,
+                                $host
+                            );
+                        }
                     }
                 }
 
@@ -103,15 +123,6 @@ class Main
                     $host
                 );
 
-                $this->tray->label->set_text(
-                    sprintf(
-                        'Open %s...',
-                        $entry->get_text()
-                    )
-                );
-
-                $start = microtime(true);
-
                 $raw = $request->getResponse();
 
                 $end = microtime(true);