<?php
/**
* procera.inc.php
*
* LibreNMS Procera Ports include
*
* 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  2017 Paul Heinrichs
* @author     Paul Heinrichs <pdheinrichs@gmail.com>
*/

$packetlogic_stats = snmpwalk_group($device, 'netDeviceTable', 'PACKETLOGIC-CHANNEL-MIB', 1, array());
$packetlogic_stats = snmpwalk_group($device, 'channelInfoTable', 'PACKETLOGIC-CHANNEL-MIB', 1, $packetlogic_stats);

$channelTypes = array(
    array(
        'type' => 'channelExternal',
        'name' => 'External'
    ),
    array(
        'type' => 'channelInternal',
        'name' => 'Internal'
    )
);

$required = array(
    'ifInOctets' => 'RxBytes',
    'ifOutOctets' => 'TxBytes',
    'ifInUcastPkts' => 'RxPackets',
    'ifOutUcastPkts' => 'TxPackets',
    'ifInErrors' => 'RxErrors',
    'ifOutErrors' => 'TxErrors',
);

// Media Types as per PACKETLOGIC-CHANNEL-MIB
$mediaType = array(
    0 => array('ifDuplex' => null,'ifSpeed' => 0, 'label'=> 'linkdown'),
    1 => array('ifDuplex' => 'halfDuplex', 'ifSpeed' => '10000000', 'label' => 'hd10'),
    2 => array('ifDuplex' => 'fullDuplex', 'ifSpeed' => '10000000', 'label' => 'fd10'),
    3 => array('ifDuplex' => 'halfDuplex', 'ifSpeed' => '100000000', 'label' => 'hd100'),
    4 => array('ifDuplex' => 'fullDuplex', 'ifSpeed' => '100000000', 'label' => 'fd100'),
    5 => array('ifDuplex' => 'fullDuplex', 'ifSpeed' => '1000000000', 'label' => 'fd1000'),
    6 => array('ifDuplex' => 'fullDuplex', 'ifSpeed' => '10000000000', 'label' => 'fd10000')
);


foreach ($packetlogic_stats as $index => $port) {
    $procera_port = array();
    foreach ($channelTypes as $cType) {
        foreach ($required as $ifEntry => $IfxStat) {
            $procera_port[$ifEntry] = $packetlogic_stats[$index][$cType['type'].$IfxStat][0];
        }
        $negotiatedMedia = $packetlogic_stats[$index][$cType['type']."NegotiatedMedia"][0];
        $procera_port['ifName'] = $packetlogic_stats[$index]['channelName'][0]. ' '.$cType['name'];
        $procera_port['ifDescr'] = $packetlogic_stats[$index]['channelName'][0]. ' '.$cType['name'];
        $procera_port['ifConnectorPresent'] = ($negotiatedMedia != '0' ? "true" : "false");
        $procera_port['ifOperStatus'] = ($packetlogic_stats[$index]['channelActive'][0] == 1 ? "up" : "down");
        $procera_port['ifSpeed'] = $mediaType[$negotiatedMedia]['ifSpeed'];
        $procera_port['ifDuplex'] = $mediaType[$negotiatedMedia]['ifDuplex'];
        $procera_port['ifType'] = 'ethernetCsmacd';
        $port_stats[$index] = $procera_port;
    }
}

unset($channelTypes, $packetlogic_stats, $procera_port, $mediaType, $negotiatedMedia);