3 +--------------------------------------------------------------------+
4 | CiviCRM version 4.6 |
5 +--------------------------------------------------------------------+
6 | Copyright CiviCRM LLC (c) 2004-2015 |
7 +--------------------------------------------------------------------+
8 | This file is a part of CiviCRM. |
10 | CiviCRM is free software; you can copy, modify, and distribute it |
11 | under the terms of the GNU Affero General Public License |
12 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
14 | CiviCRM is distributed in the hope that it will be useful, but |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
17 | See the GNU Affero General Public License for more details. |
19 | You should have received a copy of the GNU Affero General Public |
20 | License and the CiviCRM Licensing Exception along |
21 | with this program; if not, contact CiviCRM LLC |
22 | at info[AT]civicrm[DOT]org. If you have questions about the |
23 | GNU Affero General Public License or the licensing of CiviCRM, |
24 | see the CiviCRM license FAQ at http://civicrm.org/licensing |
25 +--------------------------------------------------------------------+
31 * @copyright CiviCRM LLC (c) 2004-2015
37 * Simple static helpers for network operations
39 class CRM_Utils_Network
{
41 * Try connecting to a TCP service; if it fails, retry. Repeat until serverStartupTimeOut elapses.
45 * @param int $serverStartupTimeOut
47 * @param float $interval
48 * Seconds to wait in between pollings.
51 * TRUE if service is online
53 public static function waitForServiceStartup($host, $port, $serverStartupTimeOut, $interval = 0.333) {
55 $end = $start +
$serverStartupTimeOut;
57 $interval_usec = (int) 1000000 * $interval;
59 while (!$found && $end >= time()) {
60 $found = self
::checkService($host, $port, $end - time());
64 usleep($interval_usec);
70 * Check whether a TCP service is available on $host and $port
72 public static function checkService($host, $port, $serverConnectionTimeOut) {
73 $old_error_reporting = error_reporting();
74 error_reporting($old_error_reporting & ~E_WARNING
);
76 $fh = fsockopen($host, $port, $errno, $errstr, $serverConnectionTimeOut);
79 error_reporting($old_error_reporting);
83 catch (Exception
$e) {
85 error_reporting($old_error_reporting);