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<?php
/**
* ---------------------------------------------------------------------
*
* GLPI - Gestionnaire Libre de Parc Informatique
*
* http://glpi-project.org
*
* @copyright 2015-2023 Teclib' and contributors.
* @copyright 2003-2014 by the INDEPNET Development Team.
* @licence https://www.gnu.org/licenses/gpl-3.0.html
*
* ---------------------------------------------------------------------
*
* LICENSE
*
* This file is part of GLPI.
*
* 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 <https://www.gnu.org/licenses/>.
*
* ---------------------------------------------------------------------
*/
/// NetworkPort_NetworkPort class
class NetworkPort_NetworkPort extends CommonDBRelation
{
// From CommonDBRelation
public static $itemtype_1 = 'NetworkPort';
public static $items_id_1 = 'networkports_id_1';
public static $itemtype_2 = 'NetworkPort';
public static $items_id_2 = 'networkports_id_2';
public static $log_history_1_add = Log::HISTORY_CONNECT_DEVICE;
public static $log_history_2_add = Log::HISTORY_CONNECT_DEVICE;
public static $log_history_1_delete = Log::HISTORY_DISCONNECT_DEVICE;
public static $log_history_2_delete = Log::HISTORY_DISCONNECT_DEVICE;
/**
* Retrieve an item from the database
*
* @param integer $ID ID of the item to get
*
* @return boolean true if succeed else false
**/
public function getFromDBForNetworkPort($ID)
{
return $this->getFromDBByCrit([
'OR' => [
$this->getTable() . '.networkports_id_1' => $ID,
$this->getTable() . '.networkports_id_2' => $ID
]
]);
}
/**
* Get port opposite port ID
*
* @param integer $ID networking port ID
*
* @return integer|false ID of opposite port. false if not found
**/
public function getOppositeContact($ID)
{
if ($this->getFromDBForNetworkPort($ID)) {
if ($this->fields['networkports_id_1'] == $ID) {
return $this->fields['networkports_id_2'];
}
if ($this->fields['networkports_id_2'] == $ID) {
return $this->fields['networkports_id_1'];
}
}
return false;
}
/**
* Creates a new hub
*
* @param integer $netports_id Network port id
* @param integer $entities_id Entity id
*
* @return integer
*/
public function createHub($netports_id, $entities_id = 0)
{
$netport = new NetworkPort();
$unmanaged = new Unmanaged();
$hubs_id = $unmanaged->add([
'hub' => 1,
'name' => 'Hub',
'entities_id' => $entities_id,
'comment' => 'Port: ' . $netports_id,
]);
$ports_id = $netport->add([
'items_id' => $hubs_id,
'itemtype' => $unmanaged->getType(),
'name' => 'Hub link',
'instantiation_type' => 'NetworkPortEthernet'
]);
$this->disconnectFrom($netports_id);
$this->add([
'networkports_id_1' => $netports_id,
'networkports_id_2' => $ports_id
]);
return $hubs_id;
}
/**
* Connects to a hub
*
* @param integer $ports_id Port to link
* @param integer $hubs_id Hub to link
*/
public function connectToHub($ports_id, $hubs_id)
{
global $DB;
$netport = new NetworkPort();
$this->disconnectFrom($ports_id);
// Search free port
$result = $DB->request([
'SELECT' => $netport->getTable() . '.id',
'FROM' => $netport->getTable(),
'LEFT JOIN' => [
self::getTable() => [
'ON' => [
$netport->getTable() => 'id',
self::getTable() => 'networkports_id_2'
]
]
],
'WHERE' => [
'itemtype' => Unmanaged::getType(),
'items_id' => $hubs_id,
'networkports_id_1' => null
],
'LIMIT' => 1
])->current();
$free_id = $result['id'] ?? 0;
if (!$free_id) {
//no free port, create a new one
$free_id = $netport->add([
'itemtype' => Unmanaged::getType(),
'items_id' => $hubs_id,
'instantiation_type' => 'NetworkPortEthernet'
]);
}
$this->add([
'networkports_id_1' => $ports_id,
'networkports_id_2' => $free_id
]);
return $free_id;
}
/**
* Disconnect a port
*
* @param integer $id Hub id
*
* @return boolean
*/
public function disconnectFrom($ports_id)
{
$opposite_id = $this->getOppositeContact($ports_id);
if ($opposite_id && $this->getFromDBForNetworkPort($opposite_id) || $this->getFromDBForNetworkPort($ports_id)) {
return $this->delete($this->fields);
}
return true; // Nothing to disconnect
}
/**
* Cleans hub ports
* If remove connection of a hub port (unknown device), we must delete this port too
*
* @return void
*/
public function cleanHubPorts()
{
$netport = new \NetworkPort();
$unmanaged = new \Unmanaged();
$netport_vlan = new \NetworkPort_Vlan();
$hubs_ids = [];
foreach (['networkports_id_1', 'networkports_id_2'] as $field) {
$port_id = $netport->getContact($this->fields[$field]);
$netport->getFromDB($this->fields[$field]);
if (($netport->fields['itemtype'] ?? '') == Unmanaged::getType()) {
$unmanaged->getFromDB($netport->fields['items_id']);
if ($unmanaged->fields['hub'] == 1) {
$vlans = $netport_vlan->getVlansForNetworkPort($netport->fields['id']);
foreach ($vlans as $vlan_id) {
$netport_vlan->unassignVlan($netport->fields['id'], $vlan_id);
}
$hubs_ids[$netport->fields['items_id']] = 1;
$netport->delete($netport->fields);
}
}
if ($port_id) {
$netport->getFromDB($port_id);
if ($netport->fields['itemtype'] == Unmanaged::getType()) {
$unmanaged->getFromDB($netport->fields['items_id']);
if ($unmanaged->fields['hub'] == '1') {
$hubs_ids[$netport->fields['items_id']] = 1;
}
}
}
}
// If hub have no port, delete it
foreach (array_keys($hubs_ids) as $unmanageds_id) {
$networkports = $netport->find([
'itemtype' => Unmanaged::getType(),
'items_id' => $unmanageds_id
]);
if (count($networkports) < 2) {
$unmanaged->delete(['id' => $unmanageds_id], 1);
} else if (count($networkports) == 2) {
$switchs_id = 0;
$others_id = 0;
foreach ($networkports as $networkport) {
if ($networkport['name'] == 'Link') {
$switchs_id = $netport->getContact($networkport['id']);
} else if ($others_id == '0') {
$others_id = $netport->getContact($networkport['id']);
} else {
$switchs_id = $netport->getContact($networkport['id']);
}
}
$this->disconnectFrom($switchs_id);
$this->disconnectFrom($others_id);
$this->add([
'networkports_id_1' => $switchs_id,
'networkports_id_2' => $others_id
]);
}
}
}
public function prepareInputForAdd($input)
{
if (
$this->getFromDBForNetworkPort($input['networkports_id_1'])
|| $this->getFromDBForNetworkPort($input['networkports_id_2'])
) {
trigger_error('Wired non unique!', E_USER_WARNING);
return false;
}
return $input;
}
public function post_addItem()
{
$this->storeConnectionLog('add');
}
public function pre_deleteItem()
{
$this->storeConnectionLog('remove');
return true;
}
public function post_deleteItem()
{
$this->cleanHubPorts();
}
/**
* Store connection log.
*
* @param string action Either add or remove
*
* @return void
*/
public function storeConnectionLog($action)
{
$netports_id = null;
$netport = new NetworkPort();
$netport->getFromDB($this->fields['networkports_id_1']);
if ($netport->fields['itemtype'] == 'NetworkEquipment') {
$netports_id = $this->fields['networkports_id_1'];
} else {
$netport->getFromDB($this->fields['networkports_id_2']);
if ($netport->fields['itemtype'] == 'NetworkEquipment') {
$netports_id = $this->fields['networkports_id_2'];
}
}
if ($netports_id === null) {
return;
}
$log = new NetworkPortConnectionLog();
$opposite_port = $this->getOppositeContact($netports_id);
if (!$opposite_port) {
return;
}
$input = [
'networkports_id_source' => $netports_id,
'networkports_id_destination' => $opposite_port,
'connected' => ($action === 'add'),
'date' => $_SESSION['glpi_currenttime'],
];
$log->add($input);
}
}