Nokia sap graph (#12432)

* SAP counters to database

* making rrd works

* Finished SAP polling + graphing

* cleaning up

* resolved ./lnms dev:check failure

* added db_schema and fixed style

* Fixed style

* recoverd file

* fixed

* Clean up

* fixed

* using  graphPopup function

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

@@ -0,0 +1,26 @@
+<?php
+
+$rrd_filename = rrd_name($device['hostname'], 'sap-' . $vars['traffic_id']);
+
+$stats = [
+    'sapIngressBits' => 'Ingress Bits',
+    'sapEgressBits' => 'Egress Bits',
+    'sapIngressDroppedBi' => 'Ingress Drops Bits',
+    'sapEgressDroppedBit' => 'Egress Drops Bits',
+];
+
+foreach ($stats as $stat => $descr) {
+    $i++;
+    $rrd_list[$i]['filename'] = $rrd_filename;
+    $rrd_list[$i]['descr'] = $descr;
+    $rrd_list[$i]['ds'] = $stat;
+    if (strpos($stat, 'Out') !== false || strpos($stat, 'Retrans') !== false || strpos($stat, 'Attempt') !== false) {
+        $rrd_list[$i]['invert'] = true;
+    }
+}
+
+$colours = 'mixed';
+
+$unit_text = 'SAP Traffic';
+
+require 'includes/html/graphs/generic_multi_line.inc.php';