Removed ?> from OS discovery as requested. Added Xirrus specific RSSI graph.

html/includes/graphs/device/xirrus_rssi.inc.php

@@ -0,0 +1,39 @@
+<?php
+
+require 'includes/graphs/common.inc.php';
+
+$pallette = array(
+    1  => 'FF0000',
+    2  => '0000FF',
+    3  => '00FF00',
+    4  => 'FF00FF',
+    5  => '000000',
+    6  => 'FFFF00',
+    7  => 'C0C0C0',
+    8  => '800000',
+    9  => '808000',
+    10 => '008000',
+    11 => '00FFFF',
+    12 => '008080',
+    13 => '000080',
+    14 => '800080',
+    15 => 'FF69B4',
+    16 => '006400'
+);
+
+$rrd_options .= ' -E ';
+$rrd_options .= " COMMENT:'Signal RSSI            Cur     Min    Max\\n'";
+$radioId=1;
+foreach(glob($config['rrd_dir'].'/'.$device['hostname'].'/xirrus_rssi-*.rrd') as $rrd) {
+    $color=$pallette[$radioId];
+
+    $descr        = "iap$radioId             ";
+
+    $rrd_options .= " DEF:rssi$radioId=$rrd:rssi:AVERAGE";
+    $rrd_options .= " LINE2:rssi$radioId#".$color.":'".$descr."'";
+    $rrd_options .= " GPRINT:rssi$radioId:LAST:'%5.0lf'";
+    $rrd_options .= " GPRINT:rssi$radioId:MIN:'%5.0lf'";
+    $rrd_options .= " GPRINT:rssi$radioId:MAX:'%5.0lf'\\l";
+
+    $radioId++;
+}//end foreach