app: Add GPSD application (#4754)

includes/polling/applications/gpsd.inc.php

@@ -0,0 +1,66 @@
+<?php
+/*
+ * Copyright (C) 2015 Daniel Preussker <f0o@devilcode.org>
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * GPSD Statistics
+ * @author Karl Shea <karl@karlshea.com>
+ * @copyright 2016 Karl Shea, LibreNMS
+ * @license GPL
+ * @package LibreNMS
+ * @subpackage Polling
+ */
+
+$name = 'gpsd';
+$app_id = $app['app_id'];
+if (!empty($agent_data['app'][$name]) && $app_id > 0) {
+    echo ' '.$name;
+    $gpsd = $agent_data['app'][$name];
+    $gpsd_parsed  = array();
+
+    foreach (explode("\n", $gpsd) as $line) {
+        list ($field, $data) = explode(':', $line);
+        $gpsd_parsed[$field] = $data;
+    }
+
+    $rrd_name = array('app', $name, $app_id);
+    $rrd_def = array(
+        'DS:mode:GAUGE:600:0:4',
+        'DS:hdop:GAUGE:600:0:100',
+        'DS:vdop:GAUGE:600:0:100',
+        'DS:satellites:GAUGE:600:0:40',
+        'DS:satellites_used:GAUGE:600:0:40',
+    );
+
+    $check_fields = array(
+        'mode',
+        'hdop',
+        'vdop',
+        'satellites',
+        'satellites_used',
+    );
+
+    $fields = array();
+
+    foreach ($check_fields as $field) {
+        if (!empty($gpsd_parsed[$field])) {
+            $fields[$field] = $gpsd_parsed[$field];
+        }
+    }
+
+    $tags = compact('name', 'app_id', 'rrd_name', 'rrd_def');
+    data_update($device, 'app', $tags, $fields);
+}

includes/polling/unix-agent.inc.php

@@ -61,7 +61,9 @@ if ($device['os_group'] == 'unix') {
             "powerdns-recursor",
             "proxmox",
             "rrdcached",
-            "tinydns");
+            "tinydns",
+            "gpsd",
+          );
 
         foreach (explode('<<<', $agent_raw) as $section) {
             list($section, $data) = explode('>>>', $section);