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74a7dbca Michal Kliment
<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* UBNT SNMP driver.
* This class MUST not be initialized directly, use Snmp_Factory!
*
* @author Michal Kliment
* @see Abstract_Snmp
*/
class UBNT_Snmp extends Abstract_Snmp
{
/**
* Checks if the driver is compactible with the driver.
*
* @param string $device_ip Device IP address
* @return bool Is compactible?
*/
public function isCompactibleDriverWith($device_ip)
{
if (!valid::ip($device_ip))
{
throw new InvalidArgumentException('Wrong IP address of the device');
}
try
{
$this->startErrorHandler();
snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
$row = snmpget(
$device_ip, $this->comunity, 'iso.3.6.1.2.1.1.1.0',
$this->timeout, $this->retries
);
$this->stopErrorHandler();
}
catch (Exception $e)
{
return FALSE;
}
return (strpos($row, 'mips') !== FALSE);
}
/**
* Obtain MAC address of a device with the given IP address from ARP table
*
* @param string $device_ip IP address of the device (we would like to know his MAC)
* @return boolean Always false (cannot be implemented)
*/
public function getARPMacAddressOf($device_ip)
{
return FALSE;
}
/**
* Obtain MAC address of a device with the given IP address from DHCP server.
*
* @param type $device_ip IP address of the device (we would like to know his MAC)
* @return boolean Always false (cannot be implemented)
*/
public function getDHCPMacAddressOf($device_ip)
{
return FALSE;
}
/**
* Obtain port number with given MAC address.
*
* @param string $mac_address MAC address of the device (we would like to know to which port is connected)
* @return boolean Always false (cannot be implemented)
*/
public function getPortNumberOf($mac_address)
{
return FALSE;
}
/**
* Obtain names of all network interfaces of device
*
* @return array Network interfaces of device
* @throws Exception On SNMP error or wrong SNMP response
*/
public function getIfaces()
{
$this->startErrorHandler();
snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
$data = snmprealwalk(
$this->deviceIp, $this->comunity,
'iso.3.6.1.2.1.2.2.1.2',
$this->timeout, $this->retries
);
$this->stopErrorHandler();
$ifaces = array();
foreach ($data as $key => $value)
{
$oids = explode('.', $key);
$iface_id = array_pop($oids);
$ifaces[$iface_id] = $value;
}
return $ifaces;
}
/**
* Obtain current state of device's ports
*
* @return array Current states of all ports
* @throws Exception On SNMP error or wrong SNMP response
*/
public function getPortStates()
{
return array();
}
/**
* Obtain ARP table of device
*
* @return array Whole ARP table from device
* @throws Exception On SNMP error or wrong SNMP response
*/
public function getARPTable()
{
return array();
}
/**
* Obtain DHCP leases of device
*
* @return array All DHCP leases
* @throws Exception On SNMP error or wrong SNMP response
*/
public function getDHCPLeases()
{
return array();
}
/**
* Obtain device's hostname from DHCP leases of device
*
* @param string $device_ip IP address to which we will search for hostname
* @return string Hostname for given IP address
* @throws Exception On SNMP error or wrong SNMP response
* @throws InvalidArgumentException On wrong IP address
*/
public function getDHCPHostnameOf($device_ip)
{
return FALSE;
}
/**
* Obtain wireless info of device
*
* @return array Current wireless info
* @throws Exception On SNMP error or wrong SNMP response
*/
public function getWirelessInfo()
{
// obtain all DHCP leases
$this->startErrorHandler();
snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
$wireless_items = snmprealwalk(
$this->deviceIp, $this->comunity,
'iso.3.6.1.4.1.14988.1.1.1.2.1',
$this->timeout, $this->retries
);
$this->stopErrorHandler();
$ifaces = self::getIfaces();
$items = array();
foreach ($wireless_items as $key => $value)
{
$pieces = explode('.', $key);
$index = $pieces[count($pieces)-8];
$iface_id = array_pop($pieces);
$i = implode('.', array_slice($pieces, -6));
if (!array_key_exists($i, $items))
{
$items[$i] = new stdClass ();
$items[$i]->mac_address = network::dec2mac($i);
$items[$i]->uptime = 0;
$items[$i]->iface_name = $ifaces[$iface_id];
}
switch ($index)
{
// signal strength
case '3':
$items[$i]->signal = $value;
break;
// tx-rate
case '8':
$items[$i]->tx_rate = $value;
break;
// rx-rate
case '9':
$items[$i]->rx_rate = $value;
break;
}
}
return $items;
}
/**
* Obtain MAC table from device
*
* @return array Whole MAC table
* @throws Exception On SNMP error or wrong SNMP response
*/
public function getMacTable()
{
return array();
}
}