X-Git-Url: https://git-public.kairo.at/?p=php-utility-classes.git;a=blobdiff_plain;f=include%2Fclasses%2Frrdstat.php-class;h=015d5750f8423aef34d42ab04cd9b6ed5bb69a97;hp=6eed1bf259c75360e3aab44cac1ed2cfc3a78df0;hb=fe34d2fe76f7d1f69347e9fd6bc4535b60faec7f;hpb=579a80ebd0fdf1304f305b36058b9c8499d50a45

diff --git a/include/classes/rrdstat.php-class b/include/classes/rrdstat.php-class
index 6eed1bf..015d575 100644
--- a/include/classes/rrdstat.php-class
+++ b/include/classes/rrdstat.php-class
@@ -154,7 +154,8 @@ class rrdstat {
       if (!is_null($evalcode)) {
         ob_start();
         eval($evalcode);
-        $upvals = explode("\n", ob_get_contents());
+        $ret = ob_get_contents();
+        if (strlen($ret)) { $upvals = explode("\n", $ret); }
         ob_end_clean();
       }
       $walkfunc = create_function('&$val,$key', '$val = is_numeric($val)?$val:"U";');
@@ -195,8 +196,11 @@ class rrdstat {
         $upvals[] = is_null($val)?'U':$val;
       }
     }
-    $update_cmd = 'rrdtool update '.$this->rrd_file.' N:'.implode(':', $upvals);
-    $return = `$update_cmd 2>&1`;
+    $return = null;
+    if (count($upvals)) {
+      $update_cmd = 'rrdtool update '.$this->rrd_file.' N:'.implode(':', $upvals);
+      $return = `$update_cmd 2>&1`;
+    }
 
     if (strpos($return, 'ERROR') !== false) {
       trigger_error($this->rrd_file.' - rrd update error: '.$return, E_USER_WARNING);
@@ -315,8 +319,8 @@ class rrdstat {
       $duration = isset($gconf['duration'])?$gconf['duration']:396*86400; // 365+31 days
       $slice = isset($gconf['slice'])?$gconf['slice']:86400; // 1 day
       // vertical lines at month borders
-      $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01')).'#FF0000';
-      $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01').' -1 year').'#FF0000';
+      $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01 12:00:00')).'#FF0000';
+      $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01 12:00:00').' -1 year').'#FF0000';
     }
     else {
       $duration = isset($gconf['duration'])?$gconf['duration']:$this->rrd_step*500; // 500 steps
@@ -352,6 +356,7 @@ class rrdstat {
             if (!isset($gconf['show_legend'])) { $gconf['show_legend'] = true; }
           }
           if (isset($erow['stack'])) { $grow['stack'] = ($erow['stack'] == true); }
+          if (isset($erow['desc'])) { $grow['desc'] = $erow['desc']; }
           $graphrows[] = $grow;
         }
       }
@@ -401,7 +406,7 @@ class rrdstat {
     else {
       foreach ($graphrows as $grow) {
         if (isset($grow['gType']) && strlen($grow['gType'])) {
-          $textprefix = isset($grow['legend'])?$grow['legend']:$grow['name'];
+          $textprefix = isset($grow['desc'])?$grow['desc']:(isset($grow['legend'])?$grow['legend']:$grow['name']);
           // XXX: use lines below once we have rrdtol 1.2
           // $graphrows[] = array('dType'=>'VDEF', 'name'=>$grow['name'].'_last', 'rpn_expr'=>$grow['name'].',LAST');
           // $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'].'_last', 'text'=>'%3.2lf%s');