wordpress-seo / vendor_prefixed / guzzlehttp / guzzle / src / RetryMiddleware.php

RetryMiddleware.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 27.9, at vendor_prefixed/guzzlehttp/guzzle/src/RetryMiddleware.php

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1	<?php
2
3	namespace YoastSEO_Vendor\GuzzleHttp;
4
5	use YoastSEO_Vendor\GuzzleHttp\Promise as P;
6	use YoastSEO_Vendor\GuzzleHttp\Promise\PromiseInterface;
7	use YoastSEO_Vendor\Psr\Http\Message\RequestInterface;
8	use YoastSEO_Vendor\Psr\Http\Message\ResponseInterface;
9	/**
10	* Middleware that retries requests based on the boolean result of
11	* invoking the provided "decider" function.
12	*
13	* @final
14	*/
15	class RetryMiddleware
16	{
17	/**
18	* @var callable(RequestInterface, array): PromiseInterface
19	*/
20	private $nextHandler;
21	/**
22	* @var callable
23	*/
24	private $decider;
25	/**
26	* @var callable(int)
27	*/
28	private $delay;
29	/**
30	* @param callable $decider Function that accepts the number of retries,
31	* a request, [response], and [exception] and
32	* returns true if the request is to be
33	* retried.
34	* @param callable(RequestInterface, array): PromiseInterface $nextHandler Next handler to invoke.
35	* @param (callable(int): int)\|null $delay Function that accepts the number of retries
36	* and returns the number of
37	* milliseconds to delay.
38	*/
39	public function __construct(callable $decider, callable $nextHandler, ?callable $delay = null)
40	{
41	$this->decider = $decider;
42	$this->nextHandler = $nextHandler;
43	$this->delay = $delay ?: __CLASS__ . '::exponentialDelay';
44	}
45	/**
46	* Default exponential backoff delay function.
47	*
48	* @return int milliseconds.
49	*/
50	public static function exponentialDelay(int $retries) : int
51	{
52	return (int) 2 ** ($retries - 1) * 1000;
53	}
54	public function __invoke(\YoastSEO_Vendor\Psr\Http\Message\RequestInterface $request, array $options) : \YoastSEO_Vendor\GuzzleHttp\Promise\PromiseInterface
55	{
56	if (!isset($options['retries'])) {
57	$options['retries'] = 0;
58	}
59	$fn = $this->nextHandler;
60	return $fn($request, $options)->then($this->onFulfilled($request, $options), $this->onRejected($request, $options));
61	}
62	/**
63	* Execute fulfilled closure
64	*/
65	private function onFulfilled(\YoastSEO_Vendor\Psr\Http\Message\RequestInterface $request, array $options) : callable
66	{
67	return function ($value) use($request, $options) {
68	if (!($this->decider)($options['retries'], $request, $value, null)) {
69	return $value;
70	}
71	return $this->doRetry($request, $options, $value);
72	};
73	}
74	/**
75	* Execute rejected closure
76	*/
77	private function onRejected(\YoastSEO_Vendor\Psr\Http\Message\RequestInterface $req, array $options) : callable
78	{
79	return function ($reason) use($req, $options) {
80	if (!($this->decider)($options['retries'], $req, null, $reason)) {
81	return \YoastSEO_Vendor\GuzzleHttp\Promise\Create::rejectionFor($reason);
82	}
83	return $this->doRetry($req, $options);
84	};
85	}
86	private function doRetry(\YoastSEO_Vendor\Psr\Http\Message\RequestInterface $request, array $options, ?\YoastSEO_Vendor\Psr\Http\Message\ResponseInterface $response = null) : \YoastSEO_Vendor\GuzzleHttp\Promise\PromiseInterface
87	{
88	$options['delay'] = ($this->delay)(++$options['retries'], $response, $request);
89	return $this($request, $options);
90	}
91	}
92