fannie/classlib2.0/data/Util.php
<?php
/*******************************************************************************
Copyright 2016 Whole Foods Co-op
This file is part of CORE-POS.
IT CORE 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 2 of the License, or
(at your option) any later version.
IT CORE 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
in the file license.txt along with IT CORE; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*********************************************************************************/
namespace COREPOS\Fannie\API\data;
/**
@class Util
Database helper methods
*/
class Util
{
private static function getPortByType($dbms)
{
switch (strtoupper($dbms)) {
case 'MYSQL':
case 'MYSQLI':
case 'PDO_MYSQL':
return 3306;
case 'MSSQL':
return 1433;
case 'PGSQL':
return 5432;
default:
return false;
}
}
private static function socketCheck($host, $port)
{
$test = false;
$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_set_option($sock, SOL_SOCKET, SO_SNDTIMEO, array('sec' => 1, 'usec' => 0));
socket_set_block($sock);
try {
$test = @socket_connect($sock,$host,$port);
} catch(Exception $ex) {}
socket_close($sock);
return ($test ? true : false);
}
public static function checkHost($host,$dbms)
{
if (!function_exists("socket_create")) {
return true; // test not possible
}
if (empty($host)) {
return false;
}
$port = self::getPortByType($dbms);
if (strstr($host,":")) {
list($host,$port) = explode(":",$host,2);
}
if (!$port) {
return false;
}
return self::socketCheck($host, $port);
}
}