friendica-github/bin/wait-for-connection

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#!/usr/bin/php
<?php
/**
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* Copyright (C) 2010-2024, the Friendica project
* SPDX-FileCopyrightText: 2010-2024 the Friendica project
*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*
* 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");
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exit(1);