freenetis-github/application/libraries/snmp/UBNT_Snmp.php @ 18ac9009
| 18ac9009 | Ondřej Fibich | <?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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* UBNT SNMP driver.
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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 UBNT_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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$row = snmpget(
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$device_ip, $this->comunity, 'iso.3.6.1.2.1.1.1.0',
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$this->timeout, $this->retries
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);
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$this->stopErrorHandler();
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}
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catch (Exception $e)
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{
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return FALSE;
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}
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return (strpos($row, 'mips') !== 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 ARP table
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*
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* @param string $device_ip IP address of the device (we would like to know his MAC)
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* @return boolean Always false (cannot be implemented)
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*/
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public function getARPMacAddressOf($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 MAC address of a device with the given IP address from DHCP server.
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*
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* @param type $device_ip IP address of the device (we would like to know his MAC)
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* @return boolean Always false (cannot be implemented)
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*/
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public function getDHCPMacAddressOf($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 port number with given MAC address.
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*
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* @param string $mac_address MAC address of the device (we would like to know to which port is connected)
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* @return boolean Always false (cannot be implemented)
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*/
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public function getPortNumberOf($mac_address)
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{
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return FALSE;
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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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$this->startErrorHandler();
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snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
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$data = snmprealwalk(
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$this->deviceIp, $this->comunity,
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'iso.3.6.1.2.1.2.2.1.2',
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$this->timeout, $this->retries
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);
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$this->stopErrorHandler();
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$ifaces = array();
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foreach ($data as $key => $value)
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{
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$oids = explode('.', $key);
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$iface_id = array_pop($oids);
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$ifaces[$iface_id] = $value;
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}
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return $ifaces;
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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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return array();
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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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// obtain all DHCP leases
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$this->startErrorHandler();
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snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
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$wireless_items = snmprealwalk(
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$this->deviceIp, $this->comunity,
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'iso.3.6.1.4.1.14988.1.1.1.2.1',
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$this->timeout, $this->retries
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);
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$this->stopErrorHandler();
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$ifaces = self::getIfaces();
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$items = array();
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foreach ($wireless_items as $key => $value)
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{
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$pieces = explode('.', $key);
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$index = $pieces[count($pieces)-8];
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$iface_id = array_pop($pieces);
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$i = implode('.', array_slice($pieces, -6));
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if (!array_key_exists($i, $items))
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{
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$items[$i] = new stdClass ();
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$items[$i]->mac_address = network::dec2mac($i);
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$items[$i]->uptime = 0;
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$items[$i]->iface_name = $ifaces[$iface_id];
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}
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switch ($index)
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{
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// signal strength
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case '3':
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$items[$i]->signal = $value;
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break;
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// tx-rate
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case '8':
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$items[$i]->tx_rate = $value;
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break;
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// rx-rate
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case '9':
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$items[$i]->rx_rate = $value;
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break;
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}
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}
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return $items;
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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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return array();
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}
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}
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