File OpenSearch/ConnectionPool/StaticNoPingConnectionPool.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* Copyright OpenSearch Contributors
7:	* SPDX-License-Identifier: Apache-2.0
8:	*
9:	* OpenSearch PHP client
10:	*
11:	* @link https://github.com/opensearch-project/opensearch-php/
12:	* @copyright Copyright (c) Elasticsearch B.V (https://www.elastic.co)
13:	* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
14:	* @license https://www.gnu.org/licenses/lgpl-2.1.html GNU Lesser General Public License, Version 2.1
15:	*
16:	* Licensed to Elasticsearch B.V under one or more agreements.
17:	* Elasticsearch B.V licenses this file to you under the Apache 2.0 License or
18:	* the GNU Lesser General Public License, Version 2.1, at your option.
19:	* See the LICENSE file in the project root for more information.
20:	*/
21:
22:	namespace OpenSearch\ConnectionPool;
23:
24:	use OpenSearch\Common\Exceptions\NoNodesAvailableException;
25:	use OpenSearch\ConnectionPool\Selectors\SelectorInterface;
26:	use OpenSearch\Connections\Connection;
27:	use OpenSearch\Connections\ConnectionFactoryInterface;
28:	use OpenSearch\Connections\ConnectionInterface;
29:
30:	// @phpstan-ignore classConstant.deprecatedClass
31:	@trigger_error(StaticNoPingConnectionPool::class . ' is deprecated in 2.4.0 and will be removed in 3.0.0.', E_USER_DEPRECATED);
32:
33:	/**
34:	* @deprecated in 2.4.0 and will be removed in 3.0.0.
35:	*
36:	* @phpstan-ignore class.extendsDeprecatedClass
37:	*/
38:	class StaticNoPingConnectionPool extends AbstractConnectionPool implements ConnectionPoolInterface
39:	{
40:	/**
41:	* @var int
42:	*/
43:	private $pingTimeout = 60;
44:
45:	/**
46:	* @var int
47:	*/
48:	private $maxPingTimeout = 3600;
49:
50:	/**
51:	* @param ConnectionInterface[] $connections
52:	* @param array<string, mixed> $connectionPoolParams
53:	*/
54:	public function __construct($connections, SelectorInterface $selector, ConnectionFactoryInterface $factory, $connectionPoolParams)
55:	{
56:	parent::__construct($connections, $selector, $factory, $connectionPoolParams);
57:	}
58:
59:	public function nextConnection(bool $force = false): ConnectionInterface
60:	{
61:	$total = count($this->connections);
62:	while ($total--) {
63:	/**
64:	* @var Connection $connection
65:	*/
66:	$connection = $this->selector->select($this->connections);
67:	if ($connection->isAlive() === true) {
68:	return $connection;
69:	}
70:
71:	if ($this->readyToRevive($connection) === true) {
72:	return $connection;
73:	}
74:	}
75:
76:	throw new NoNodesAvailableException("No alive nodes found in your cluster");
77:	}
78:
79:	public function scheduleCheck(): void
80:	{
81:	}
82:
83:	private function readyToRevive(Connection $connection): bool
84:	{
85:	$timeout = min(
86:	$this->pingTimeout * pow(2, $connection->getPingFailures()),
87:	$this->maxPingTimeout
88:	);
89:
90:	if ($connection->getLastPing() + $timeout < time()) {
91:	return true;
92:	} else {
93:	return false;
94:	}
95:	}
96:	}
97:

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