friendica/bin/wait-for-connection
2021-03-29 08:40:20 +02:00

69 lines
1.9 KiB
PHP
Executable file

#!/usr/bin/php
<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This script tries to connect to a database for a given interval
* Useful in case of installation e.g. to wait for the database to not generate unnecessary errors
*
* Usage: php bin/wait-for-connection {HOST} {PORT} [{TIMEOUT}]
*/
if (php_sapi_name() !== 'cli') {
header($_SERVER["SERVER_PROTOCOL"] . ' 403 Forbidden');
exit();
}
$timeout = 60;
switch ($argc) {
case 4:
$timeout = (float)$argv[3];
case 3:
$host = $argv[1];
$port = (int)$argv[2];
break;
default:
fwrite(STDERR, 'Usage: '.$argv[0].' host port [timeout]'."\n");
exit(2);
}
if ($timeout < 0) {
fwrite(STDERR, 'Timeout must be greater than zero'."\n");
exit(2);
}
if ($port < 1) {
fwrite(STDERR, 'Port must be an integer greater than zero'."\n");
exit(2);
}
$socketTimeout = (float)ini_get('default_socket_timeout');
if ($socketTimeout > $timeout) {
$socketTimeout = $timeout;
}
$stopTime = time() + $timeout;
do {
$sock = @fsockopen($host, $port, $errno, $errstr, $socketTimeout);
if ($sock !== false) {
fclose($sock);
fwrite(STDOUT, "\n");
exit(0);
}
sleep(1);
fwrite(STDOUT, '.');
} while (time() < $stopTime);
fwrite(STDOUT, "\n");
exit(1);