plugin: add dns plugin

1 files changed, 58 insertions, 0 deletions

diff --git a/plugin/dns.php b/plugin/dns.php
new file mode 100644
index 0000000..f0c1b85
--- /dev/null
+++ b/plugin/dns.php
@@ -0,0 +1,58 @@
+<?php
+
+# Collectd DNS plugin
+
+require_once 'conf/common.inc.php';
+require_once 'type/GenericStacked.class.php';
+require_once 'inc/collectd.inc.php';
+
+## LAYOUT
+# dns/
+# dns/dns_octets.rrd
+# dns/dns_opcode-X.rrd
+# dns/dns_qtype-X.rrd
+
+$obj = new Type_GenericStacked($CONFIG);
+$obj->width = $width;
+$obj->heigth = $heigth;
+switch($obj->args['type']) {
+        case 'dns_octets':
+                $obj->data_sources = array(
+                        'queries',
+                        'responses',
+                );
+                $obj->ds_names = array(
+                        'queries'   => 'Queries',
+                        'responses' => 'Responses',
+                );
+                $obj->colors = array(
+                        'queries'   => '0000ff',
+                        'responses' => '00ff00',
+                );
+                $obj->rrd_title = 'DNS traffic';
+                $obj->rrd_vertical = 'Bit/s';
+                $obj->rrd_format = '%5.1lf%s';
+        break;
+        case 'dns_opcode':
+                $obj->data_sources = array('value');
+                $obj->ds_names = array(
+                        'value' => 'Queries/s',
+                );
+                $obj->colors = array(
+                        'value' => '0000ff',
+                );
+                $obj->rrd_title = 'DNS Opcode Query';
+                $obj->rrd_vertical = 'Queries/s';
+                $obj->rrd_format = '%5.1lf%s';
+        break;
+        case 'dns_qtype':
+                $obj->data_sources = array('value');
+                $obj->generate_colors();
+                $obj->rrd_title = 'DNS QType';
+                $obj->rrd_vertical = 'Queries/s';
+                $obj->rrd_format = '%5.1lf%s';
+        break;
+}
+
+collectd_flush($obj->identifiers);
+$obj->rrd_graph();