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/home/jmdstrac/public_html/devices/src/NetworkPortInstantiation.php

<?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/>.
 *
 * ---------------------------------------------------------------------
 */

use Glpi\Socket;

/**
 * NetworkPortInstantiation class
 *
 * Represents the type of a given network port. As such, its ID field is the same one than the ID
 * of the network port it instantiates. This class don't have any table associated. It just
 * provides usefull and default methods for the instantiations.
 * Several kind of instanciations are available for a given port :
 *    - NetworkPortLocal
 *    - NetworkPortEthernet
 *    - NetworkPortWifi
 *    - NetworkPortAggregate
 *    - NetworkPortAlias
 *
 * @since 0.84
 *
 **/
class NetworkPortInstantiation extends CommonDBChild
{
   // From CommonDBTM
    public $auto_message_on_action   = false;

   // From CommonDBChild
    public static $itemtype       = 'NetworkPort';
    public static $items_id       = 'networkports_id';
    public $dohistory             = false;

   // Instantiation properties
    public $canHaveVLAN           = true;
    public $canHaveVirtualPort    = true;
    public $haveMAC               = true;

    public static function getIndexName()
    {
        return 'networkports_id';
    }


    /**
     * Show the instanciation element for the form of the NetworkPort
     * By default, just print that there is no parameter for this type of NetworkPort
     *
     * @param NetworkPort $netport         the port that owns this instantiation
     *                                     (usefull, for instance to get network port attributs
     * @param array       $options         array of options given to NetworkPort::showForm
     * @param array       $recursiveItems  list of the items on which this port is attached
     **/
    public function showInstantiationForm(NetworkPort $netport, $options, $recursiveItems)
    {

        echo "<tr><td colspan='4' class='center'>" . __('No options available for this port type.') .
           "</td></tr>";
    }


    public function prepareInput($input)
    {

       // Try to get mac address from the instantiation ...
        if (!empty($input['mac'])) {
            $input['mac'] = strtolower($input['mac']);
        }
        return $input;
    }


    public function prepareInputForAdd($input)
    {
        return parent::prepareInputForAdd($this->prepareInput($input));
    }

    public function prepareInputForUpdate($input)
    {
        return parent::prepareInputForUpdate($this->prepareInput($input));
    }

    public function post_addItem()
    {
        $this->manageSocket();
    }

    public function post_updateItem($history = 1)
    {
        $this->manageSocket();
    }

    public function manageSocket()
    {
       //add link to define
        if (isset($this->input['sockets_id']) && $this->input['sockets_id'] > 0) {
            $networkport = new NetworkPort();
            if ($networkport->getFromDB($this->fields['networkports_id'])) {
                $socket = new Socket();
                $socket->getFromDB($this->input['sockets_id']);
                $socket->update([
                    "id"              => $socket->getID(),
                    "itemtype"        => $networkport->fields['itemtype'],
                    "name"            => $socket->fields['name'],
                    "position"        => $networkport->fields['logical_number'],
                    "items_id"        => $networkport->fields['items_id'],
                    "networkports_id" => $this->fields['networkports_id'],
                ]);
            }
        }
    }

    /**
     * Get all the instantiation specific options to display
     *
     * @return array containing the options
     **/
    public static function getInstantiationNetworkPortDisplayOptions()
    {
        return [];
    }


    /**
     * Get the instantiation specific options to display that applies for all instantiations
     *
     * @return array containing the options
     **/
    public static function getGlobalInstantiationNetworkPortDisplayOptions()
    {
        return ['mac'           => ['name'    => __('MAC'),
            'default' => true
        ],
            'vlans'         => ['name'    => Vlan::getTypeName(1),
                'default' => false
            ],
            'virtual_ports' => ['name'    => __('Virtual ports'),
                'default' => false
            ],
            'port_opposite' => ['name'    => __('Opposite link'),
                'default' => false
            ]
        ];
    }


    /**
     * Get HTMLTable columns headers for a given item type
     * Beware : the internet information are "sons" of each instantiation ...
     *
     * @param HTMLTableSuperHeader $group           HTMLTableGroup object
     * @param HTMLTableSuperHeader $super           HTMLTableSuperHeader object
     * @param HTMLTableSuperHeader $internet_super  HTMLTableSuperHeader object for the internet sub part (default NULL)
     * @param HTMLTableHeader      $father          HTMLTableHeader object (default NULL)
     * @param array                $options   array of possible options:
     *       - 'dont_display' : array of the columns that must not be display
     *
     * @return null
     **/
    public function getInstantiationHTMLTableHeaders(
        HTMLTableGroup $group,
        HTMLTableSuperHeader $super,
        HTMLTableSuperHeader $internet_super = null,
        HTMLTableHeader $father = null,
        array $options = []
    ) {

        $display_options = &$options['display_options'];

        if (($this->canHaveVirtualPort) && ($display_options['virtual_ports'])) {
            $father = $group->addHeader(
                'VirtualPorts',
                '<i>' . __('Virtual ports') . '</i>',
                $super,
                $father
            );
        }

        if (($this->canHaveVLAN) && ($display_options['vlans'])) {
            NetworkPort_Vlan::getHTMLTableHeader('NetworkPort', $group, $super, $father, $options);
        }

        if (($this->haveMAC) && ($display_options['mac'])) {
            $group->addHeader('MAC', __('MAC'), $super, $father);
        }

        if (($internet_super !== null) && ($display_options['internet'])) {
            NetworkName::getHTMLTableHeader('NetworkPort', $group, $internet_super, $father, $options);
        }

        return null;
    }


    /**
     * Get HTMLTable row for a given network port and a given extremity when two ports are
     * existing on a link (NetworkPort_NetworkPort).
     *
     * @param NetworkPort   $netport  NetworkPort object (contains item)
     * @param HTMLTableRow  $row      HTMLTableRow object
     * @param HTMLTableCell $father   HTMLTableCell object (default NULL)
     * @param array         $options  array of possible options:
     *       - 'dont_display' : array of the elements that must not be display
     *       - 'withtemplate' : integer withtemplate param
     *
     * @return null
     **/
    protected function getPeerInstantiationHTMLTable(
        NetworkPort $netport,
        HTMLTableRow $row,
        HTMLTableCell $father = null,
        array $options = []
    ) {

        self::getInstantiationHTMLTable($netport, $row, $father, $options);
        return null;
    }


    /**
     * Replacement of NetworkPortInstantiation::getInstantiationHTMLTable() method when two ports
     * share the same link (NetworkPort_NetworkPort). Used, for instance by Dialup and Ethernet.
     *
     * @see NetworkPortInstantiation::getInstantiationHTMLTable()
     *
     * @param NetworkPort   $netport  NetworkPort object (contains item)
     * @param HTMLTableRow  $row      HTMLTableRow object
     * @param HTMLTableCell $father   HTMLTableCell object (default NULL)
     * @param array         $options  array of possible options:
     *       - 'dont_display' : array of the elements that must not be display
     *       - 'withtemplate' : integer withtemplate param
     *
     * @return HTMLTableCell  the father cell for the Internet Information ...
     **/
    public function getInstantiationHTMLTableWithPeer(
        NetworkPort $netport,
        HTMLTableRow $row,
        HTMLTableCell $father = null,
        array $options = []
    ) {

        $connect_cell_value = [['function'   => [__CLASS__, 'showConnection'],
            'parameters' => [clone $netport]
        ]
        ];

        $oppositePort = NetworkPort_NetworkPort::getOpposite($netport);
        if ($oppositePort !== false) {
            $opposite_options            = $options;
            $opposite_options['canedit'] = false;
            $display_options             = $options['display_options'];

            if ($display_options['port_opposite']) {
                $cell          = $row->addCell(
                    $row->getHeaderByName('Instantiation', 'Connected'),
                    __('Local network port')
                );

                $opposite_cell = $row->addCell(
                    $row->getHeaderByName('Instantiation', 'Connected'),
                    $connect_cell_value
                );
                $opposite_cell->setAttributForTheRow(['class' => 'htmltable_upper_separation_cell']);

                $oppositeInstantiationPort = $oppositePort->getInstantiation();
                if ($oppositeInstantiationPort !== false) {
                     $oppositeInstantiationPort->getPeerInstantiationHTMLTable(
                         $oppositePort,
                         $row,
                         $opposite_cell,
                         $opposite_options
                     );
                }
            } else {
                $cell = $row->addCell(
                    $row->getHeaderByName('Instantiation', 'Connected'),
                    $connect_cell_value
                );
            }
        } else {
            $cell = $row->addCell(
                $row->getHeaderByName('Instantiation', 'Connected'),
                $connect_cell_value
            );
        }

        $this->getPeerInstantiationHTMLTable($netport, $row, $cell, $options);
        return $cell;
    }


    /**
     * Get HTMLTable row for a given item
     *
     * @param NetworkPort    $netport  NetworkPort object (contains item)
     * @param HTMLTableRow   $row      HTMLTableRow object
     * @param HTMLTableCell  $father   HTMLTableCell object (default NULL)
     * @param array          $options  array of possible options:
     *       - 'dont_display' : array of the elements that must not be display
     *       - 'withtemplate' : integer withtemplate param
     *
     * @return null
     **/
    public function getInstantiationHTMLTable(
        NetworkPort $netport,
        HTMLTableRow $row,
        HTMLTableCell $father = null,
        array $options = []
    ) {
        global $DB;

        $display_options = $options['display_options'];

        if (($this->canHaveVirtualPort) && ($display_options['virtual_ports'])) {
            $virtual_header = $row->getHeaderByName('Instantiation', 'VirtualPorts');

            $iterator = $DB->request([
                'FROM' => new \QueryUnion(
                    [
                        [
                            'SELECT' => 'networkports_id',
                            'FROM'   => 'glpi_networkportaliases',
                            'WHERE'  => ['networkports_id_alias' => $netport->getID()]
                        ], [
                            'SELECT' => 'networkports_id',
                            'FROM'   => 'glpi_networkportaggregates',
                            'WHERE'  => ['networkports_id_list' => ['LIKE', '%"' . $netport->getID() . '"%']]
                        ]
                    ],
                    false,
                    'networkports'
                )
            ]);

            if (count($iterator)) {
                 $new_father = $row->addCell($virtual_header, __('this port'), $father);
            } else {
                $new_father = $row->addCell($virtual_header, '', $father);
            }

            foreach ($iterator as $networkports_ids) {
                $virtualPort = new NetworkPort();

                if ($virtualPort->getFromDB($networkports_ids['networkports_id'])) {
                    $cell_value = '<i>' . $virtualPort->getLink() . '</i>';

                    $virtual_cell = $row->addCell($virtual_header, $cell_value, $father);
                    $virtual_cell->setAttributForTheRow(['class' => 'htmltable_upper_separation_cell']);

                    if (($this->canHaveVLAN) && ($display_options['vlans'])) {
                        NetworkPort_Vlan::getHTMLTableCellsForItem(
                            $row,
                            $virtualPort,
                            $virtual_cell,
                            $options
                        );
                    }

                    if ($display_options['internet']) {
                        NetworkName::getHTMLTableCellsForItem(
                            $row,
                            $virtualPort,
                            $virtual_cell,
                            $options
                        );
                    }
                }
                unset($virtualPort);
            }

            $father = $new_father;
        }

        if (($this->canHaveVLAN) && ($display_options['vlans'])) {
            NetworkPort_Vlan::getHTMLTableCellsForItem($row, $netport, $father, $options);
        }

        if (($this->haveMAC) && ($display_options['mac']) && (!empty($netport->fields["mac"]))) {
            $row->addCell(
                $row->getHeaderByName('Instantiation', 'MAC'),
                $netport->fields["mac"],
                $father
            );
        }

        if ($display_options['internet']) {
            NetworkName::getHTMLTableCellsForItem($row, $netport, $father, $options);
        }

        return null;
    }


    /**
     * Get all NetworkPort and NetworkEquipments that have a specific MAC address
     *
     * @param string  $mac              address to search
     * @param boolean $wildcard_search  true if we search with wildcard (false by default)
     *
     * @return array  each value of the array (corresponding to one NetworkPort) is an array of the
     *                items from the master item to the NetworkPort
     **/
    public static function getItemsByMac($mac, $wildcard_search = false)
    {
        global $DB;

        $mac = strtolower($mac);
        if ($wildcard_search) {
            $count = 0;
            $mac = str_replace('*', '%', $mac, $count);
            if ($count == 0) {
                $mac = '%' . $mac . '%';
            }
            $relation = ['LIKE', $mac];
        } else {
            $relation = $mac;
        }

        $macItemWithItems = [];

        foreach (['NetworkPort'] as $netporttype) {
            $netport = new $netporttype();

            $iterator = $DB->request([
                'SELECT' => 'id',
                'FROM'   => $netport->getTable(),
                'WHERE'  => ['mac' => $relation]
            ]);

            foreach ($iterator as $element) {
                if ($netport->getFromDB($element['id'])) {
                    if ($netport instanceof CommonDBChild) {
                        $macItemWithItems[] = array_merge(
                            array_reverse($netport->recursivelyGetItems()),
                            [clone $netport]
                        );
                    } else {
                        $macItemWithItems[] = [clone $netport];
                    }
                }
            }
        }

        return $macItemWithItems;
    }


    /**
     * Get an Object ID by its MAC address (only if one result is found in the entity)
     *
     * @param string  $value   the mac address
     * @param integer $entity  the entity to look for
     *
     * @return array containing the object ID
     *         or an empty array is no value of serverals ID where found
     **/
    public static function getUniqueItemByMac($value, $entity)
    {

        $macs_with_items = self::getItemsByMac($value);
        if (count($macs_with_items)) {
            foreach ($macs_with_items as $key => $tab) {
                if (
                    isset($tab[0])
                    && ($tab[0]->getEntityID() != $entity
                    || $tab[0]->isDeleted()
                    || $tab[0]->isTemplate())
                ) {
                    unset($macs_with_items[$key]);
                }
            }
        }

        if (count($macs_with_items)) {
           // Get the first item that is matching entity
            foreach ($macs_with_items as $items) {
                foreach ($items as $item) {
                    if ($item->getEntityID() == $entity) {
                        $result = ["id"       => $item->getID(),
                            "itemtype" => $item->getType()
                        ];
                        unset($macs_with_items);
                        return $result;
                    }
                }
            }
        }
        return [];
    }


    /**
     * In case of NetworkPort attached to a network card, list the fields that must be duplicate
     * from the network card to the network port (mac address, port type, ...)
     *
     * @return array with SQL field (for instance : device.type) => form field (type)
     **/
    public function getNetworkCardInterestingFields()
    {
        return [];
    }


    /**
     * Select which network card to attach to the current NetworkPort (for the moment, only ethernet
     * and wifi ports). Whenever a card is attached, its information (mac, type, ...) are
     * autmatically set to the required field.
     *
     * @param NetworkPort $netport   NetworkPort object :the port that owns this instantiation
     *                               (usefull, for instance to get network port attributs
     * @param array $options         array of options given to NetworkPort::showForm
     * @param array $recursiveItems  list of the items on which this port is attached
     **/
    public function showNetworkCardField(NetworkPort $netport, $options = [], $recursiveItems = [])
    {
        global $CFG_GLPI, $DB;

        echo "<td>" . DeviceNetworkCard::getTypeName(1) . "</td>\n";
        echo "<td>";

        if (count($recursiveItems)  > 0) {
            $lastItem = $recursiveItems[count($recursiveItems) - 1];

            if (
                in_array($lastItem->getType(), $CFG_GLPI["itemdevicenetworkcard_types"])
                && !$options['several']
            ) {
                // Query each link to network cards
                $criteria = [
                    'SELECT'    => [
                        'link.id AS link_id',
                        'device.designation AS name'
                    ],
                    'FROM'      => 'glpi_devicenetworkcards AS device',
                    'INNER JOIN' => [
                        'glpi_items_devicenetworkcards AS link'   => [
                            'ON' => [
                                'link'   => 'devicenetworkcards_id',
                                'device' => 'id'
                            ]
                        ]
                    ],
                    'WHERE'     => [
                        'link.items_id'   => $lastItem->getID(),
                        'link.itemtype'   => $lastItem->getType()
                    ]
                ];

                // $deviceFields contains the list of fields to update
                $deviceFields = [];
                foreach ($this->getNetworkCardInterestingFields() as $SQL_field => $form_field) {
                    $deviceFields[] = $form_field;
                    $criteria['SELECT'][] = "$SQL_field AS $form_field";
                }

                $iterator = $DB->request($criteria);

              // Add the javascript to update each field
                echo "\n<script type=\"text/javascript\">
   var deviceAttributs = [];\n";

                $deviceNames = [0 => ""]; // First option : no network card
                foreach ($iterator as $availableDevice) {
                     $linkid               = $availableDevice['link_id'];
                     $deviceNames[$linkid] = $availableDevice['name'];
                    if (isset($availableDevice['mac'])) {
                        $deviceNames[$linkid] = sprintf(
                            __('%1$s - %2$s'),
                            $deviceNames[$linkid],
                            $availableDevice['mac']
                        );
                    }

                     // get fields that must be copied from those of the network card
                     $deviceInformations = [];
                    foreach ($deviceFields as $field) {
                     // No gettext here
                        $deviceInformations[] = "$field: '" . $availableDevice[$field] . "'";
                    }
                     //addslashes_deep($deviceInformations);
                     // Fill the javascript array
                     echo "  deviceAttributs[$linkid] = {" . implode(', ', $deviceInformations) . "};\n";
                }

              // And add the javascript function that updates the other fields
                echo "
   function updateNetworkPortForm(devID) {
      for (var fieldName in deviceAttributs[devID]) {
         var field=document.getElementsByName(fieldName)[0];
         if ((field == undefined) || (deviceAttributs[devID][fieldName] == undefined))
            continue;
         field.value = deviceAttributs[devID][fieldName];
      }
   }
</script>\n";

                if (count($deviceNames) > 0) {
                      $options = ['value'
                                => $this->fields['items_devicenetworkcards_id'],
                          'on_change'
                                => 'updateNetworkPortForm(this.options[this.selectedIndex].value)'
                      ];
                      Dropdown::showFromArray('items_devicenetworkcards_id', $deviceNames, $options);
                } else {
                    echo __('No network card available');
                }
            } else {
                echo __('Equipment without network card');
            }
        } else {
            echo __('Item not linked to an object');
        }
        echo "</td>";
    }


    /**
     * Display the MAC field. Used by Ethernet, Wifi, Aggregate and alias NetworkPorts
     *
     * @param $netport         NetworkPort object : the port that owns this instantiation
     *                         (usefull, for instance to get network port attributs
     * @param $options   array of options given to NetworkPort::showForm
     **/
    public function showMacField(NetworkPort $netport, $options = [])
    {

       // Show device MAC adresses
        echo "<td>" . __('MAC') . "</td>\n<td>";
        echo Html::input('mac', ['value' => $netport->fields['mac']]);
        echo "</td>\n";
    }


    /**
     * Display the Socket field. Used by Ethernet, and Migration
     *
     * @param NetworkPort $netport         NetworkPort object :the port that owns this instantiation
     *                                     (usefull, for instance to get network port attributs
     * @param array       $options         array of options given to NetworkPort::showForm
     * @param array       $recursiveItems  list of the items on which this port is attached
     **/
    public function showSocketField(NetworkPort $netport, $options = [], $recursiveItems = [])
    {

        echo "<td>" . _n('Network socket', 'Network sockets', 1) . "</td>\n";
        echo "<td>";
        if (count($recursiveItems) > 0) {
            $lastItem = $recursiveItems[count($recursiveItems) - 1];

           //find socket attached to NetworkPortEthernet
            $socket = new Socket();
            $value = 0;
            if ($netport->getID() && $socket->getFromDBByCrit(["networkports_id" => $netport->getID()])) {
                $value = $socket->getID();
            }

            Socket::dropdown(['name'      => 'sockets_id',
                'value'     => $value,
            ]);
        } else {
            echo __('item not linked to an object');
        }
        echo "</td>";
    }


    /**
     * \brief display the attached NetworkPort
     *
     * NetworkPortAlias and NetworkPortAggregate are based on other physical network ports
     * (Ethernet or Wifi). This method displays the physical network ports.
     **/
    public function getInstantiationNetworkPortHTMLTable()
    {

        $netports = [];

       // Manage alias
        if (isset($this->fields['networkports_id_alias'])) {
            $links_id = $this->fields['networkports_id_alias'];
            $netport  = new NetworkPort();
            if ($netport->getFromDB($links_id)) {
                $netports[] = $netport->getLink();
            }
        }
       // Manage aggregate
        if (isset($this->fields['networkports_id_list'])) {
            $links_id = $this->fields['networkports_id_list'];
            $netport  = new NetworkPort();
            foreach ($links_id as $id) {
                if ($netport->getFromDB($id)) {
                    $netports[] = $netport->getLink();
                }
            }
        }

        if (count($netports) > 0) {
            return implode('<br>', $netports);
        }

        return "&nbsp;";
    }


    /**
     * \brief select which NetworkPort to attach
     *
     * NetworkPortAlias and NetworkPortAggregate ara based on other physical network ports
     * (Ethernet or Wifi). This method Allows us to select which one to select.
     *
     * @param $recursiveItems
     * @param $origin          NetworkPortAlias are based on one NetworkPort wherever
     *                         NetworkPortAggregate are based on several NetworkPort.
     **/
    public function showNetworkPortSelector($recursiveItems, $origin)
    {
        global $DB;

        if (count($recursiveItems) == 0) {
            return;
        }

        $lastItem = $recursiveItems[count($recursiveItems) - 1];

        echo "<td>" . __('Origin port') . "</td><td>\n";
        $links_id      = [];
        $netport_types = ['NetworkPortEthernet', 'NetworkPortWifi'];
        $selectOptions = [];
        $possible_ports = [];

        switch ($origin) {
            case 'NetworkPortAlias':
                $field_name                           = 'networkports_id_alias';
                $selectOptions['display_emptychoice'] = true;
                $selectOptions['multiple']            = false;
                $selectOptions['on_change']           = 'updateForm(this.options[this.selectedIndex].value)';
                $netport_types[]                      = 'NetworkPortAggregate';
                break;

            case 'NetworkPortAggregate':
                $field_name                       = 'networkports_id_list';
                $selectOptions['multiple']        = true;
                $selectOptions['size']            = 4;
                $netport_types[]                  = 'NetworkPortAlias';
                break;

            default:
                throw new \RuntimeException(sprintf('Unexpected origin `%s`.', $origin));
                break;
        }

        if (isset($this->fields[$field_name])) {
            if (is_array($this->fields[$field_name])) {
                $selectOptions['values'] = $this->fields[$field_name];
            } else {
                $selectOptions['values'] = [$this->fields[$field_name]];
            }
        }

        $macAddresses = [];
        foreach ($netport_types as $netport_type) {
            $instantiationTable = getTableForItemType($netport_type);
            $iterator = $DB->request([
                'SELECT' => [
                    'port.id',
                    'port.name',
                    'port.mac'
                ],
                'FROM'   => 'glpi_networkports AS port',
                'WHERE'  => [
                    'items_id'           => $lastItem->getID(),
                    'itemtype'           => $lastItem->getType(),
                    'instantiation_type' => $netport_type
                ],
                'ORDER'  => ['logical_number', 'name']
            ]);

            if (count($iterator)) {
                $array_element_name = call_user_func(
                    [$netport_type, 'getTypeName'],
                    count($iterator)
                );
                 $possible_ports[$array_element_name] = [];

                foreach ($iterator as $portEntry) {
                     $macAddresses[$portEntry['id']] = $portEntry['mac'];
                    if (!empty($portEntry['mac'])) {
                        $portEntry['name'] = sprintf(
                            __('%1$s - %2$s'),
                            $portEntry['name'],
                            $portEntry['mac']
                        );
                    }
                     $possible_ports[$array_element_name][$portEntry['id']] = $portEntry['name'];
                }
            }
        }

        if (!$selectOptions['multiple']) {
            echo "\n<script type=\"text/javascript\">
        var device_mac_addresses = [];\n";
            foreach ($macAddresses as $port_id => $macAddress) {
                echo "  device_mac_addresses[$port_id] = '$macAddress'\n";
            }
            echo "   function updateForm(devID) {
      var field=document.getElementsByName('mac')[0];
      if ((field != undefined) && (device_mac_addresses[devID] != undefined))
         field.value = device_mac_addresses[devID];
   }
</script>\n";
        }

        Dropdown::showFromArray($field_name, $possible_ports, $selectOptions);
        echo "</td>\n";
    }


    public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
    {

        if ($item->getType() == "NetworkPort") {
            $instantiation = $item->getInstantiation();
            if ($instantiation !== false) {
                $log = new Log();
                //TRANS: %1$s is a type, %2$s is a table
                return sprintf(
                    __('%1$s - %2$s'),
                    $instantiation->getTypeName(),
                    $log->getTabNameForItem($instantiation)
                );
            }
        }
        return '';
    }


    public static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0)
    {

        if ($item->getType() == "NetworkPort") {
            $instantiation = $item->getInstantiation();
            if ($instantiation !== false) {
                Log::displayTabContentForItem($instantiation, $tabnum, $withtemplate);
            }
        }
        return true;
    }


    /**
     * @param $tab          array
     * @param $joinparams   array
     **/
    public static function getSearchOptionsToAddForInstantiation(array &$tab, array $joinparams)
    {
    }


    /**
     * Display a connection of a networking port
     *
     * @param NetworkPort $netport  to be displayed
     * @param boolean     $edit     permit to edit ? (false by default)
     **/
    public static function showConnection($netport, $edit = false)
    {

        $ID = $netport->fields["id"];
        if (empty($ID)) {
            return false;
        }

        $device1 = $netport->getItem();

        if (!$device1->can($device1->getID(), READ)) {
            return false;
        }
        $canedit      = $device1->canEdit($device1->fields["id"]);
        $relations_id = 0;
        $oppositePort = NetworkPort_NetworkPort::getOpposite($netport, $relations_id);

        if ($oppositePort !== false) {
            $device2 = $oppositePort->getItem();

            if ($device2->can($device2->fields["id"], READ)) {
                echo $oppositePort->getLink();
                if ($device1->fields["entities_id"] != $device2->fields["entities_id"]) {
                     echo "<br>(" . Dropdown::getDropdownName(
                         "glpi_entities",
                         $device2->getEntityID()
                     ) . ")";
                }

               // write rights on dev1 + READ on dev2 OR READ on dev1 + write rights on dev2
                if (
                    $canedit
                    || $device2->canEdit($device2->fields["id"])
                ) {
                    echo "&nbsp;";
                    Html::showSimpleForm(
                        $oppositePort->getFormURL(),
                        'disconnect',
                        _x('button', 'Disconnect'),
                        ['id' => $relations_id],
                        'fa-unlink netport',
                        'class="btn btn-sm btn-outline-danger"'
                    );
                }
            } else {
                if (rtrim($oppositePort->fields["name"]) != "") {
                    $netname = $oppositePort->fields["name"];
                } else {
                    $netname = __('Without name');
                }
                printf(
                    __('%1$s on %2$s'),
                    "<span class='b'>" . $netname . "</span>",
                    "<span class='b'>" . $device2->getName() . "</span>"
                );
                echo "<br>(" . Dropdown::getDropdownName(
                    "glpi_entities",
                    $device2->getEntityID()
                ) . ")";
            }
        } else {
            echo "<div id='not_connected_display$ID'>" . __('Not connected.') . "</div>";
            if ($canedit) {
                if (!$device1->isTemplate()) {
                    if ($edit) {
                        self::dropdownConnect(
                            $ID,
                            ['name'        => 'NetworkPortConnect_networkports_id_2',
                                'entity'      => $device1->fields["entities_id"],
                                'entity_sons' => $device1->isRecursive()
                            ]
                        );
                    } else {
                        echo "<a href=\"" . $netport->getFormURLWithID($ID) . "\">" . _x('button', 'Connect') . "</a>";
                    }
                } else {
                    echo "&nbsp;";
                }
            }
        }
    }


    /**
     * Make a select box for  connected port
     *
     * @param integer $ID        ID of the current port to connect
     * @param array   $options   array of possible options:
     *    - name : string / name of the select (default is networkports_id)
     *    - comments : boolean / is the comments displayed near the dropdown (default true)
     *    - entity : integer or array / restrict to a defined entity or array of entities
     *                   (default -1 : no restriction)
     *    - entity_sons : boolean / if entity restrict specified auto select its sons
     *                   only available if entity is a single value not an array (default false)
     *
     * @return integer random part of elements id
     **/
    public static function dropdownConnect($ID, $options = [])
    {
        global $CFG_GLPI;

        $p['name']        = 'networkports_id';
        $p['comments']    = 1;
        $p['entity']      = -1;
        $p['entity_sons'] = false;

        if (is_array($options) && count($options)) {
            foreach ($options as $key => $val) {
                $p[$key] = $val;
            }
        }

       // Manage entity_sons
        if (!($p['entity'] < 0) && $p['entity_sons']) {
            if (is_array($p['entity'])) {
                echo "entity_sons options is not available with entity option as array";
            } else {
                $p['entity'] = getSonsOf('glpi_entities', $p['entity']);
            }
        }

        echo "<input type='hidden' name='NetworkPortConnect_networkports_id_1'value='$ID'>";
        $rand = Dropdown::showItemTypes('NetworkPortConnect_itemtype', $CFG_GLPI["networkport_types"]);

        $params = ['itemtype'           => '__VALUE__',
            'entity_restrict'    => $p['entity'],
            'networkports_id'    => $ID,
            'comments'           => $p['comments'],
            'myname'             => $p['name'],
            'instantiation_type' => get_called_class()
        ];

        Ajax::updateItemOnSelectEvent(
            "dropdown_NetworkPortConnect_itemtype$rand",
            "show_" . $p['name'] . "$rand",
            $CFG_GLPI["root_doc"] .
                                       "/ajax/dropdownConnectNetworkPortDeviceType.php",
            $params
        );

        echo "<span id='show_" . $p['name'] . "$rand'>&nbsp;</span>\n";

        return $rand;
    }
}
			
			


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