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<?php defined('SYSPATH') or die('No direct script access.');
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/*
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* This file is part of open source system FreenetIS
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* and it is released under GPLv3 licence.
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*
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* More info about licence can be found:
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* http://www.gnu.org/licenses/gpl-3.0.html
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*
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* More info about project can be found:
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* http://www.freenetis.org/
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*
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*/
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/**
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* SNMP driver for Signamax switches with older firmware versions.
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* This class MUST not be initialized directly, use Snmp_Factory!
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*
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* @author Michal Kliment
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* @see Abstract_Snmp
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*/
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class SignamaxOld_Snmp extends Abstract_Snmp
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{
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/**
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* Checks if the driver is compactible with the driver.
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*
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* @param string $device_ip Device IP address
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* @return bool Is compactible?
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*/
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public function isCompactibleDriverWith($device_ip)
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{
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if (!valid::ip($device_ip))
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{
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throw new InvalidArgumentException('Wrong IP address of the device');
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}
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try
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{
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$this->startErrorHandler();
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snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
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$row = snmp2_get(
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$device_ip, $this->comunity, 'iso.3.6.1.2.1.1.5.0',
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$this->timeout, $this->retries
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);
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$this->stopErrorHandler();
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}
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catch (Exception $e)
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{
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return FALSE;
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}
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return ($row == '065-7850' || $row == '065-7710');
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}
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/**
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* Obtain MAC address of a device with the given IP address from ARP table.
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*
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* @param string $device_ip IP address of the device (we would like to know his MAC)
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* @return string MAC address in format xx:xx:xx:xx:xx:xx
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* @throws Exception On SNMP error or wrong SNMP response
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* @throws InvalidArgumentException On wrong IP address
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*/
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public function getARPMacAddressOf($device_ip)
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{
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// is not possible
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return FALSE;
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}
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/**
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* Obtain MAC address of a device with the given IP address from DHCP server.
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*
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* @param string $device_ip IP address of the device (we would like to know his MAC)
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* @return string MAC address in format xx:xx:xx:xx:xx:xx
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* @throws Exception On SNMP error or wrong SNMP response
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* @throws InvalidArgumentException On wrong IP address
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*/
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public function getDHCPMacAddressOf($device_ip)
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{
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// is not possible
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return FALSE;
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}
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/**
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* Obtaint port number with given MAC address.
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*
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* @param string $mac_address MAC address of the device (we would like to know to which port is connected)
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* @return string MAC address in format xx:xx:xx:xx:xx:xx
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* @throws Exception On SNMP error or wrong SNMP response
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* @throws InvalidArgumentException On wrong IP address
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*/
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public function getPortNumberOf($mac_address)
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{
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if (!valid::mac_address($mac_address))
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{
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throw new InvalidArgumentException('Wrong MAC address of the device');
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}
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// covert MAC address to decimal format
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$dec_mac_address = implode('.', array_map('hexdec', explode(":", $mac_address)));
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try
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{
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// obtain
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$this->startErrorHandler();
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snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
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$row = snmp2_get(
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$this->deviceIp, $this->comunity,
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'iso.3.6.1.2.1.17.4.3.1.2.' . $dec_mac_address,
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$this->timeout, $this->retries
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);
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$this->stopErrorHandler();
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}
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catch (Exception $e)
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{
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return FALSE;
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}
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// parse result
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$regex = '/INTEGER: ([0-9]+)/';
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$matches = array();
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if (preg_match($regex, $row, $matches) > 0)
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{
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return $matches[1];
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}
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else
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{
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throw new Exception('Invalid SMNP output during obtaning of MAC address: ' . $row);
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}
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}
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/**
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* Obtain names of all network interfaces of device
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*
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* @return array Network interfaces of device
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* @throws Exception On SNMP error or wrong SNMP response
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*/
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public function getIfaces()
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{
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return array();
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}
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/**
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* Obtain current state of device's ports
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*
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* @return array Current states of all ports
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* @throws Exception On SNMP error or wrong SNMP response
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*/
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public function getPortStates()
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{
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$this->startErrorHandler();
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snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
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$port_states = snmp2_real_walk(
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$this->deviceIp, $this->comunity,
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'iso.3.6.1.2.1.2.2.1.8',
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$this->timeout, $this->retries
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);
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$this->stopErrorHandler();
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$states = array();
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foreach ($port_states as $key => $value)
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{
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$pieces = explode('.', $key);
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$port_nr = array_pop($pieces);
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$states[$port_nr] = $value == 1 ? 1 : 0;
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}
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return $states;
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}
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/**
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* Obtain ARP table of device
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*
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* @return array Whole ARP table from device
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* @throws Exception On SNMP error or wrong SNMP response
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*/
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public function getARPTable()
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{
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return array();
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}
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/**
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* Obtain DHCP leases of device
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*
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* @return array All DHCP leases
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* @throws Exception On SNMP error or wrong SNMP response
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*/
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public function getDHCPLeases()
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{
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return array();
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}
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/**
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* Obtain device's hostname from DHCP leases of device
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*
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* @param string $device_ip IP address to which we will search for hostname
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* @return string Hostname for given IP address
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* @throws Exception On SNMP error or wrong SNMP response
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* @throws InvalidArgumentException On wrong IP address
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*/
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public function getDHCPHostnameOf($device_ip)
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{
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return FALSE;
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}
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/**
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* Obtain wireless info of device
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*
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* @return array Current wireless info
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* @throws Exception On SNMP error or wrong SNMP response
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*/
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public function getWirelessInfo()
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{
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return array();
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}
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/**
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* Obtain MAC table from device
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*
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* @return array Whole MAC table
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* @throws Exception On SNMP error or wrong SNMP response
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*/
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public function getMacTable()
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{
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$this->startErrorHandler();
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snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
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$mac_table = snmp2_real_walk(
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$this->deviceIp, $this->comunity,
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'iso.3.6.1.2.1.17.4.3.1.2',
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$this->timeout, $this->retries
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);
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$this->stopErrorHandler();
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$items = array();
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$ports = array();
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foreach ($mac_table as $key => $value)
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{
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$pieces = explode('.', $key);
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$item = new stdClass();
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$item->port_nr = $value;
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$i = implode('.', array_slice($pieces, -6));
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$item->mac_address = network::dec2mac($i);
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$items[] = $item;
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$ports[] = $value;
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}
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array_multisort($ports, $items);
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return $items;
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}
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}
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