Next front page improvement

- load all files in include directory
- half-baked attempt to make HTML output more readable
- add top hosts by total bits box
- horrible hack to generate_device_link() to make it possible to insert the device_bits graph

html/includes/front/boxes.inc.php

@@ -1,6 +1,6 @@
 <?php
 /*
- * LibreNMS front page graphs - common code
+ * LibreNMS front page graphs
  *
  * Copyright (c) 2013 Gear Consulting Pty Ltd <http://libertysys.com.au/>
  *
@@ -10,7 +10,20 @@
  * option) any later version.  Please see LICENSE.txt at the top level of
  * the source code distribution for details.
  */
-
 ?>
 <script type="text/javascript" src="js/jquery.cycle.all.js"></script>
 <script type="text/javascript" src="js/jquery-cycle-boxes.js"></script>
+<?php
+
+echo("<div class='right-2-col-fixed'>\n<div class='boxes'>\n");
+
+foreach (get_matching_files($config['html_dir']."/includes/front/", "/^top_.*\.php$/") as $file) {
+  echo("<div class=box>\n");
+  include_once($file);
+  echo("</div>\n");
+}
+
+echo("</div>\n");
+echo("</div>\n");
+
+?>

html/includes/front/top_device_bits.inc.php

@@ -0,0 +1,42 @@
+<?php
+/*
+ * LibreNMS front page top devices graph
+ * - Find most utilised devices that have been polled in the last N minutes
+ *
+ * Copyright (c) 2013 Gear Consulting Pty Ltd <http://libertysys.com.au/>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.  Please see LICENSE.txt at the top level of
+ * the source code distribution for details.
+ */
+
+$minutes = 15;
+$seconds = $minutes * 60;
+$top = $config['front_page_settings']['top']['devices'];
+$query = "
+  SELECT *, sum(p.ifInOctets_rate + p.ifOutOctets_rate) as total
+  FROM ports as p, devices as d
+  WHERE d.device_id = p.device_id
+    AND unix_timestamp() - p.poll_time < $seconds
+    AND ( p.ifInOctets_rate > 0
+    OR p.ifOutOctets_rate > 0 )
+  GROUP BY d.device_id
+  ORDER BY total desc
+  LIMIT $top
+";
+
+
+echo("<strong>Top $top devices (last $minutes minutes)</strong>\n");
+echo("<table class='simple'>\n");
+foreach (dbFetchRows($query) as $result) {
+  echo("<tr>".
+    "<td>".generate_device_link($result, shorthost($result['hostname']))."</td>".
+    "<td>".generate_device_link($result,
+      generate_minigraph_image($result, $config['time']['day'], $config['time']['now'], "device_bits", "no", 150, 21, '&'), array(), 0, 0, 0)."</td>".
+    "</tr>\n");
+}
+echo("</table>\n");
+
+?>

html/includes/front/top_graphs.inc.php

@@ -1,38 +0,0 @@
-<?php
-/*
- * LibreNMS front page graphs
- *
- * Copyright (c) 2013 Gear Consulting Pty Ltd <http://libertysys.com.au/>
- *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.  Please see LICENSE.txt at the top level of
- * the source code distribution for details.
- */
-
-require_once("includes/front/common.inc.php");
-
-echo('<div class="right-2-col-fixed">');
-echo('<div class="boxes">');
-
-echo('<div class=box>');
-require_once("includes/front/top_ports.inc.php");
-echo('</div>');
-
-/*
-echo('<div class=box>');
-echo('<h5>Something</h5>');
-echo('<p>Next 1</p>');
-echo('</div>');
-
-echo('<div class=box>');
-echo('<h5>Something else</h5>');
-echo('<p>Next 2</p>');
-echo('</div>');
-*/
-
-echo('</div>');
-echo('</div>');
-
-?>

html/includes/front/top_ports.inc.php

@@ -26,14 +26,14 @@ $query = "
   LIMIT $top
 ";
 
-echo("<strong>Top $top ports (last $minutes minutes)</strong>");
+echo("<strong>Top $top ports (last $minutes minutes)</strong>\n");
-echo('<table class="simple">');
+echo("<table class='simple'>\n");
 foreach (dbFetchRows($query) as $result) {
-  echo('<tr><td>'.
+  echo("<tr><td>".
     generate_device_link($result, shorthost($result['hostname'])).
-    '</td><td>'.generate_port_link($result).
+    "</td><td>".generate_port_link($result).
-    '</td><td>'.generate_port_link($result, generate_port_thumbnail($result)).'</td></tr>');
+    "</td><td>".generate_port_link($result, generate_port_thumbnail($result))."</td></tr>\n");
 }
-echo('</table>');
+echo("</table>\n");
 
 ?>

html/includes/functions.inc.php

@@ -113,10 +113,10 @@ function get_percentage_colours($percentage)
 
 }
 
-function generate_minigraph_image($device, $start, $end, $type, $legend = 'no', $width = 275, $height = 100)
+function generate_minigraph_image($device, $start, $end, $type, $legend = 'no', $width = 275, $height = 100, $sep = '&')
 {
-  return '<img class=minigraph-image src="graph.php?device='.$device['device_id'].
+  return '<img class=minigraph-image src="graph.php?'.
-    "&amp;from=$start&amp;to=$end&amp;width=$width&amp;height=$height&amp;type=$type&amp;legend=$legend".'">';
+    implode(array('device='.$device['device_id'], "from=$start", "to=$end", "width=$width", "height=$height", "type=$type", "legend=$legend"), $sep).'">';
 }
 
 function generate_device_url($device, $vars=array())
@@ -124,7 +124,7 @@ function generate_device_url($device, $vars=array())
   return generate_url(array('page' => 'device', 'device' => $device['device_id']), $vars);
 }
 
-function generate_device_link($device, $text=NULL, $vars=array(), $start=0, $end=0)
+function generate_device_link($device, $text=NULL, $vars=array(), $start=0, $end=0, $escape_text=1)
 {
   global $config;
 
@@ -169,7 +169,7 @@ function generate_device_link($device, $text=NULL, $vars=array(), $start=0, $end
     $contents .= '</div>';
   }
 
-  $text = htmlentities($text);
+  if ($escape_text) { $text = htmlentities($text); }
   $link = overlib_link($url, $text, escape_quotes($contents), $class);
 
   if (device_permitted($device['device_id']))
@@ -644,4 +644,31 @@ function report_this_text($message)
   return $message.'\nPlease report this to the developers at '.$config['project_issues'].'\n';
 }
 
+# Find all the files in the given directory that match the pattern
+function get_matching_files($dir, $match = "/\.php$/")
+{
+  global $config;
+
+  if ($handle = opendir($dir))
+  {
+    while (false !== ($file = readdir($handle)))
+    {
+      if ($file != "." && $file != ".." && preg_match($match, $file) === 1)
+      {
+	$list[] = $file;
+      }
+    }
+    closedir($handle);
+  }
+  return $list;
+}
+
+# Include all the files in the given directory that match the pattern
+function include_matching_files($dir, $match = "/\.php$/")
+{
+  foreach (get_matching_files($dir, $match) as $file) {
+    include_once($file);
+  }
+}
+
 ?>

html/pages/front/default.php

@@ -1,6 +1,6 @@
 <?php
 
-require_once("includes/front/top_graphs.inc.php");
+include_once("includes/front/boxes.inc.php");
 
 function generate_front_box ($frontbox_class, $content)
 {

includes/defaults.inc.php

@@ -112,6 +112,7 @@ $config['header_color']     = "#1F334E";
 $config['page_refresh']     = "300";  // Refresh the page every xx seconds, 0 to disable
 $config['front_page']       = "pages/front/default.php";
 $config['front_page_settings']['top']['ports'] = 10;
+$config['front_page_settings']['top']['devices'] = 10;
 $config['page_title_prefix'] = "";
 $config['page_title_suffix'] = $config['project_name'];
 $config['timestamp_format'] = 'd-m-Y H:i:s';