Files
librenms-librenms/LibreNMS/Snmptrap/Handlers/OspfIfStateChange.php
Heath Barnhart e414352356 OSPF SNMP Trap Handlers (#11647)
* Intitial push working tests

* Adding unit tests

* created interface state unit tests

* started ospf nbr unit tests

* finished nbr change unit tests

* precommit checks pass

* removed uneccsarry relationship
2020-05-21 15:15:39 -05:00

89 lines
2.8 KiB
PHP

<?php
/**
* OspfIfStateChange.php
*
* -Description-
* Handles the ospfIfStateChange SNMP trap signaling an interface
* in the OSPF topology has changed its state. The handler logs the
* change and updates the interface's state in ospf_ports table.
*
* 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/>.
*
* @package LibreNMS
* @link http://librenms.org
* @copyright 2020 KanREN Inc
* @author Heath Barnhart <hbarnhart@kanren.net>
*/
namespace LibreNMS\Snmptrap\Handlers;
use App\Models\Device;
use LibreNMS\Interfaces\SnmptrapHandler;
use LibreNMS\Snmptrap\Trap;
use Log;
class OspfIfStateChange implements SnmptrapHandler
{
/**
* Handle snmptrap.
* Data is pre-parsed and delivered as a Trap.
*
* @param Device $device
* @param Trap $trap
* @return void
*/
public function handle(Device $device, Trap $trap)
{
$ospfIfIpAddress = $trap->getOidData($trap->findOid('OSPF-MIB::ospfIfIpAddress'));
$ospfPort = $device->ospfPorts()->where('ospfIfIpAddress', $ospfIfIpAddress)->first();
$port = $device->ports()->where('port_id', $ospfPort->port_id)->first();
if (!$port) {
Log::warning("Snmptrap ospfIfStateChange: Could not find port at port_id $ospfPort->port_id for device: " . $device->hostname);
return;
}
$ospfPort->ospfIfState = $trap->getOidData($trap->findOid('OSPF-MIB::ospfIfState'));
switch ($ospfPort->ospfIfState) {
case 'down':
$severity = 5;
break;
case 'designatedRouter':
$severity = 1;
break;
case 'backupDesignatedRouter':
$severity = 1;
break;
case 'otherDesignatedRouter':
$severity = 1;
break;
case 'pointToPoint':
$severity = 1;
break;
case 'waiting':
$severity = 4;
break;
case 'loopback':
$severity = 4;
break;
}
Log::event("OSPF interface $port->ifName is $ospfPort->ospfIfState", $device->device_id, 'trap', $severity);
$ospfPort->save();
}
}