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152497a098
* PHPStan: Enable more checks * Fixes * Fixes * Deprecation fixes
124 lines
3.6 KiB
PHP
124 lines
3.6 KiB
PHP
<?php
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/*
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* Stp.php
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*
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* Spanning Tree
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2021 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace LibreNMS\Modules;
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use App\Models\Device;
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use App\Models\PortStp;
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use App\Observers\ModuleModelObserver;
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use LibreNMS\DB\SyncsModels;
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use LibreNMS\Interfaces\Module;
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use LibreNMS\OS;
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class Stp implements Module
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{
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use SyncsModels;
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/**
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* @inheritDoc
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*/
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public function dependencies(): array
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{
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return ['ports', 'vlans'];
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}
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public function discover(OS $os): void
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{
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$device = $os->getDevice();
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echo 'Instances: ';
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$instances = $os->discoverStpInstances();
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ModuleModelObserver::observe(\App\Models\Stp::class);
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$this->syncModels($device, 'stpInstances', $instances);
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echo "\nPorts: ";
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$ports = $os->discoverStpPorts($instances);
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ModuleModelObserver::observe(PortStp::class);
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$this->syncModels($device, 'stpPorts', $ports);
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echo PHP_EOL;
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}
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public function poll(OS $os): void
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{
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$device = $os->getDevice();
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echo 'Instances: ';
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$instances = $device->stpInstances;
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$instances = $os->pollStpInstances($instances);
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ModuleModelObserver::observe(\App\Models\Stp::class);
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$this->syncModels($device, 'stpInstances', $instances);
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echo "\nPorts: ";
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$ports = $device->stpPorts;
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ModuleModelObserver::observe(PortStp::class);
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$this->syncModels($device, 'stpPorts', $ports);
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}
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public function cleanup(Device $device): void
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{
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$device->stpInstances()->delete();
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$device->stpPorts()->delete();
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}
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/**
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* @inheritDoc
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*/
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public function dump(Device $device)
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{
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return [
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'stp' => $device->stpInstances()->orderBy('bridgeAddress')
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->get()->map->makeHidden(['stp_id', 'device_id']),
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'ports_stp' => $device->portsStp()->orderBy('port_index')
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->leftJoin('ports', 'ports_stp.port_id', 'ports.port_id')
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->select(['ports_stp.*', 'ifIndex'])
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->get()->map->makeHidden(['port_stp_id', 'device_id', 'port_id']),
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];
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}
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/**
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* designated root is stored in format 2 octet bridge priority + MAC address, so we need to normalize it
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*/
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public function rootToMac(string $root): string
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{
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$dr = str_replace(['.', ' ', ':', '-'], '', strtolower($root));
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return substr($dr, -12); //remove first two octets
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}
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public function designatedPort(string $dp): int
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{
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if (preg_match('/-(\d+)/', $dp, $matches)) {
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// Syntax with "priority" dash "portID" like so : 32768-54, both in decimal
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return (int) $matches[1];
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}
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// Port saved in format priority+port (ieee 802.1d-1998: clause 8.5.5.1)
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$dp = substr($dp, -2); //discard the first octet (priority part)
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return (int) hexdec($dp);
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}
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}
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