Polling cleanup, fix PHP warnings (#13460)

* Fix warnings up to Arbos

* fixes a-c

* a-r

* a-vrp

* There and back again

* Update test data, couple fixes

* PHPSStan fixes

* style fixes, and fix Asyncos, whoops

* flip serial back.......

* less bogus data

* Poweralert sysName during polling too

* make sure things are calculated in the correct order

* fix style and bad nullables

* update test data

* A comple more conversions

* cambium ptp, misc, and hardware_mib

* remaining except vmware-esxi

* Fixes

* Update baseline

* fixes and fix up baseline

* adjust SnmpQueryMock to upstream options change

* data corrections

* restore slashes

* correctly handle all options input in SnmpQueryMock

* undo ftos changes

* restore vccodec sysDescr

LibreNMS/OS/Asyncos.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Asyncos.php
+ *
+ * -Description-
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ *
+ * @link       https://www.librenms.org
+ *
+ * @copyright  2021 Tony Murray
+ * @author     Tony Murray <murraytony@gmail.com>
+ */
+
+namespace LibreNMS\OS;
+
+use LibreNMS\Interfaces\Polling\OSPolling;
+use LibreNMS\OS;
+use LibreNMS\RRD\RrdDefinition;
+
+class Asyncos extends OS implements OSPolling
+{
+    public function pollOS(): void
+    {
+        // Get stats only if device is web proxy
+        if ($this->getDevice()->sysObjectID == '.1.3.6.1.4.1.15497.1.2') {
+            $connections = \SnmpQuery::get('TCP-MIB::tcpCurrEstab.0')->value();
+
+            if (is_numeric($connections)) {
+                data_update($this->getDeviceArray(), 'asyncos_conns', [
+                    'rrd_def' => RrdDefinition::make()->addDataset('connections', 'GAUGE', 0, 50000),
+                ], [
+                    'connections' => $connections,
+                ]);
+
+                $this->enableGraph('asyncos_conns');
+            }
+        }
+    }
+}