Merge branch...

Merge branch '19-errorno-1205-1047-en-1156-laten-switchen-naar-andere-server-na-5-pogingen-2' into 'master'

Resolve "errorno = 1205,1047 en 1156 laten switchen naar andere server na 5 pogingen"

Closes #19

See merge request !35

composer.json

 {
     "name": "timmit/db-mysql",
     "description": "A simple DB layer in PHP for using MySQL(i)",
-    "version": "v4.2.1",
+    "version": "v4.3.0",
     "keywords": ["DB", "MySQL", "MySQLi", "database", "DB layer", "database layer"],
     "license": "MIT",
     "homepage": "http://www.TiMMiT.nl/",

src/TiMMiT/MySQL/DB.php

@@ -212,13 +212,21 @@ class DB
     {
         self::addToStats(__FUNCTION__);
         if ($writeNode) {
-            $link = self::$mlinkWrite;
+            $mlink = self::$mlinkWrite;
         } else {
-            $link = self::$mlink;
+            $mlink = self::$mlink;
         }
-        if (is_null($link) || !@mysqli_ping($link)) {
+        if (is_null($mlink)) {
             return false;
         }
+
+        $result = mysqli_query($mlink, 'SELECT 1;');
+        if (!$result) {
+            $errorno = mysqli_errno($mlink);
+            if (!empty($errorno)) {
+                return false;
+            }
+        }
         return true;
     }
 
@@ -262,7 +270,12 @@ class DB
                     break;
                 case 2006:
                 case 1047:
+                case 1156:
                 case 1205:
+                    if ($count >= self::$max_goneaway_count && $write) {
+                        $write = false;
+                        $count = 0;
+                    }
                     if ($count < self::$max_goneaway_count) {
                         self::disconnect();
                         $count++;