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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 release 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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* Link is providing connection between two interfaces. Type is given by
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* medium (e.g. wifi, cable). Link may be specified by attributed such as
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* bitrate, duplex, GPS line, etc. Moreover ink of wifi type may be also
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* specified by several other attributes (norm, frequency, channel, ssid, etc.).
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*
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* @package Model
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*
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* @property integer $id
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* @property string $name
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* @property integer $medium
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* @property integer $bitrate
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* @property integer $duplex
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* @property string $comment
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* @property blob $gps
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* @property string $wireless_ssid
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* @property integer $wireless_norm
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* @property integer $wireless_frequency
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* @property integer $wireless_channel
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* @property integer $wireless_channel_width
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* @property integer $wireless_polarization
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* @property ORM_Iterator $ifaces
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*/
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class Link_Model extends ORM
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{
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protected $has_many = array('ifaces');
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// mediums
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const MEDIUM_ROAMING = 1;
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const MEDIUM_AIR = 2;
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const MEDIUM_CABLE = 3;
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const MEDIUM_SINGLE_FIBER = 4;
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const MEDIUM_MULTI_FIBER = 5;
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// constants of norms
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const NORM_802_11_A = 1;
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const NORM_802_11_B = 2;
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const NORM_802_11_G = 3;
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const NORM_802_11_N = 4;
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const NORM_802_11_B_G = 5;
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// constants of polarizations
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const POLARIZATION_HORIZONTAL = 1;
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const POLARIZATION_VERTICAL = 2;
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const POLARIZATION_CIRCULAR = 3;
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const POLARIZATION_BOTH = 4;
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const POLARIZATION_HORIZONTAL_VERTICAL = 5;
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/**
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* Array of norms, keys of array are equal to constants of norms
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*
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* @var array
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*/
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private static $wireless_norms = array
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(
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self::NORM_802_11_A => '802.11a',
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self::NORM_802_11_B => '802.11b',
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self::NORM_802_11_G => '802.11g',
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self::NORM_802_11_N => '802.11n',
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self::NORM_802_11_B_G => '802.11b/g'
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);
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/**
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* Array of polarizations, keys of array are equal to constants of polarizations
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*
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* @var array
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*/
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private static $wireless_polarizations = array
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(
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self::POLARIZATION_HORIZONTAL => 'horizontal',
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self::POLARIZATION_VERTICAL => 'vertical',
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self::POLARIZATION_CIRCULAR => 'circular',
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self::POLARIZATION_BOTH => 'both',
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self::POLARIZATION_HORIZONTAL_VERTICAL => 'horizontal and vertical'
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);
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/**
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* Array of max bitrates
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*
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* @var array
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*/
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private static $wireless_max_bitrates = array
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(
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self::NORM_802_11_A => 54,
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self::NORM_802_11_B => 11,
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self::NORM_802_11_G => 54,
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self::NORM_802_11_N => 600,
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self::NORM_802_11_B_G => 54
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);
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/**
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* Medium types
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*
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* @var array
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*/
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private static $medium_types = array
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(
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self::MEDIUM_ROAMING => 'roaming',
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self::MEDIUM_AIR => 'air',
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self::MEDIUM_CABLE => 'cable',
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self::MEDIUM_SINGLE_FIBER => 'fiber optical single-mode',
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self::MEDIUM_MULTI_FIBER => 'fiber optical multi-mode'
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);
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/**
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* Max allowed interfaces in link by type
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*
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* @var array
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*/
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private static $ifaces_count = array
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(
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Iface_Model::TYPE_WIRELESS => PHP_INT_MAX,
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Iface_Model::TYPE_ETHERNET => 2,
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Iface_Model::TYPE_PORT => 2,
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Iface_Model::TYPE_INTERNAL => 0,
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Iface_Model::TYPE_VLAN => 0,
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Iface_Model::TYPE_BRIDGE => 0,
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Iface_Model::TYPE_VIRTUAL_AP => PHP_INT_MAX
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);
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/**
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* Returns norm name by given norm id
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*
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* @author Michal Kliment
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* @param integer $norm
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* @return string
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*/
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public function get_wireless_norm ($norm = NULL)
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{
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if (!$norm && isset($this))
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{
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$norm = $this->wireless_norm;
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}
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if (array_key_exists($norm, self::$wireless_norms))
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{
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return self::$wireless_norms[$norm];
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}
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return NULL;
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}
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/**
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* Returns all norm names
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*
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* @author Michal Kliment
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* @return array
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*/
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public function get_wireless_norms ()
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{
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return self::$wireless_norms;
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}
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/**
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* Returns polarization name by given polarization id
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*
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* @author Michal Kliment
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* @param integer $polarization
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* @return string
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*/
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public function get_wireless_polarization ($polarization = NULL)
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{
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if (!$polarization)
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{
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$polarization = $this->wireless_polarization;
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}
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if (array_key_exists($polarization, self::$wireless_polarizations))
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{
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return __(self::$wireless_polarizations[$polarization]);
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}
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return NULL;
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}
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/**
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* Returns all polarization names
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*
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* @author Michal Kliment
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* @return array
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*/
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public function get_wireless_polarizations()
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{
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return array_map('__', self::$wireless_polarizations);
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}
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/**
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* Returns max bitrate of norm
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*
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* @author Michal Kliment
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* @param integer $norm
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* @return integer
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*/
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public function get_wireless_max_bitrate($norm = NULL)
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{
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if (!$norm)
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{
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$norm = $this->wireless_norm;
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}
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if (array_key_exists($norm, self::$wireless_max_bitrates))
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{
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return self::$wireless_max_bitrates[$norm];
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}
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return NULL;
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}
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/**
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* Returns all max bitrates of norms
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*
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* @author Michal Kliment
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* @param integer $norm
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* @return integer
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*/
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public function get_wireless_max_bitrates()
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{
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return self::$wireless_max_bitrates;
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}
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/**
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* Returns medium type by medium type id
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*
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* @author Michal Kliment
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* @param integer $type_id
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* @return string
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*/
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public static function get_medium_type($medium_type_id)
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{
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if (isset(self::$medium_types[$medium_type_id]))
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{
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return __(self::$medium_types[$medium_type_id]);
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}
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else
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{
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return NULL;
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}
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}
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/**
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* Returns maximum number of interfaces in link
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*
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* @author David Raška
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* @param integer $iface_type
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* @return integer
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*/
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public static function get_max_ifaces_count ($iface_type = NULL)
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{
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if (!$iface_type)
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{
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return NULL;
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}
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if (array_key_exists($iface_type, self::$ifaces_count))
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{
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return self::$ifaces_count[$iface_type];
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}
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return NULL;
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}
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/**
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* Returns medium types
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*
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* @author Michal Kliment
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* @return array
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*/
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public static function get_medium_types()
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{
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return array_map('__', self::$medium_types);
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}
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/**
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* Counts all links
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*
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* @param array $filter_sql
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* @return integer
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*/
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public function count_all_links($filter_sql = '')
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{
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$where = '';
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// filter
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if ($filter_sql != '')
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$where = "WHERE $filter_sql";
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// query
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return $this->db->query("
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SELECT COUNT(*) AS total
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FROM
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(
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SELECT s.id, s.name, s.medium, s.duplex, s.comment, s.bitrate,
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IFNULL(s.wireless_ssid,'') AS ssid, s.wireless_norm,
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(SELECT COUNT(*) FROM ifaces WHERE link_id = s.id) as items_count
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FROM links s
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) s
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$where
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", Config::get('lang'))->current()->total;
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}
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/**
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* Gets all linkss
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*
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* @param integer $limit_from
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* @param integer $limit_results
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* @param string $order_by
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* @param string $order_by_direction
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* @param array $filter_values
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* @return Mysql_Result
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*/
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public function get_all_links(
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$limit_from = 0, $limit_results = 20,
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$order_by = 'id', $order_by_direction = 'asc',
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$filter_sql = '')
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{
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$where = '';
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if ($filter_sql != '')
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$where = "WHERE $filter_sql";
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// query
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return $this->db->query("
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SELECT * FROM
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(
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SELECT s.id, s.name, s.medium, s.duplex, s.comment, s.bitrate,
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IFNULL(s.wireless_ssid,'') AS ssid, s.wireless_norm,
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(SELECT COUNT(*) FROM ifaces WHERE link_id = s.id) as items_count
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FROM links s
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) s
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$where
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ORDER BY " . $this->db->escape_column($order_by) . " $order_by_direction
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LIMIT " .intval($limit_from) . ", " . intval($limit_results) . "
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", Config::get('lang'));
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}
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/**
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* Returns roaming link. This function changes current object values.
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*
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* @author Michal Kliment
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* @return integer
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*/
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public function get_roaming()
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{
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$roaming = $this->where('medium', self::MEDIUM_ROAMING)->find();
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return ($roaming && $roaming->id) ? $roaming->id : NULL;
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}
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/**
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* Returns all items (interfaces) which belong to given link
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*
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* @author Michal Kliment
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* @param integer $link_id
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* @return Mysql_Result
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*/
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public function get_items($link_id = NULL)
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{
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if (!$link_id)
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{
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$link_id = $this->id;
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}
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return $this->db->query("
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SELECT i.*, d.name AS device_name, m.name AS member_name,
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m.id AS member_id, i.wireless_mode
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FROM ifaces i
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JOIN devices d ON i.device_id = d.id
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JOIN users u ON d.user_id = u.id
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JOIN members m ON u.member_id = m.id
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WHERE i.link_id = ?
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ORDER BY i.wireless_mode ASC, i.name ASC, i.type ASC
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", $link_id);
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}
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/**
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* Returns all links according to given type of iface
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*
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* @author Ondřej Fibich
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* @param integer $type
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* @return array
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*/
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public function select_list_by_iface_type($type)
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{
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$mediums = Iface_Model::get_type_has_link_with_medium($type);
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if (count($mediums))
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{
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return $this->in('medium', $mediums)->select_list('id', 'name');
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}
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else
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{
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return $this->select_list('id', 'name');
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}
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}
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}
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