Added upgrader & changed version

Upgrades the install to include a protocol field.
Defined the upgrade version as 3.5.0

src/includes/psmconfig.inc.php

@@ -30,7 +30,7 @@
 /**
  * Current PSM version
  */
-define('PSM_VERSION', '3.4.5');
+define('PSM_VERSION', '3.5.0');
 
 /**
  * URL to check for updates. Will not be checked if turned off on config page.

src/psm/Util/Install/Installer.php

@@ -342,6 +342,9 @@ class Installer
         if (version_compare($version_from, '3.4.2', '<')) {
             $this->upgrade342();
         }
+        if (version_compare($version_from, '3.5.0', '<')) {
+            $this->upgrade350();
+        }
         psm_update_conf('version', $version_to);
     }
 
@@ -656,4 +659,20 @@ class Installer
         $queries[] = "ALTER TABLE `" . PSM_DB_PREFIX . "servers` CHANGE `last_output` `last_output` TEXT;";
         $this->execSQL($queries);
     }
+
+    /**
+     * Upgrade for v3.5.0 release
+     */
+    protected function upgrade350()
+    {
+        /**
+         * Adds a protocol column which defaults to TCP
+         * This sets the field to TCP on older installations
+         * ensuring they do not break
+         */
+        $queries = array();
+        $queries[] = "ALTER TABLE `" . PSM_DB_PREFIX . "servers` ADD COLUMN `protocol` ENUM( 'tcp','udp' )
+            NOT NULL DEFAULT 'tcp' AFTER `port`;";
+        $this->execSQL($queries);
+    }
 }

src/psm/Util/Server/Updater/StatusUpdater.php

@@ -222,7 +222,13 @@ class StatusUpdater
         // save response time
         $starttime = microtime(true);
 
-        $fp = @fsockopen($this->server['protocol'] . '://' . $this->server['ip'], $this->server['port'], $errno, $this->error, $timeout);
+        $fp = @fsockopen(
+            $this->server['protocol'] . '://' . $this->server['ip'],
+            $this->server['port'],
+            $errno,
+            $this->error,
+            $timeout
+        );
 
         $status = ($fp === false) ? false : true;
         $this->rtime = (microtime(true) - $starttime);