| 1 | 1 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,119 @@ |
| 1 |
+<?php |
|
| 2 |
+ |
|
| 3 |
+namespace GuzzleHttp; |
|
| 4 |
+ |
|
| 5 |
+use GuzzleHttp\Promise as P; |
|
| 6 |
+use GuzzleHttp\Promise\PromiseInterface; |
|
| 7 |
+use Psr\Http\Message\RequestInterface; |
|
| 8 |
+use Psr\Http\Message\ResponseInterface; |
|
| 9 |
+ |
|
| 10 |
+/** |
|
| 11 |
+ * Middleware that retries requests based on the boolean result of |
|
| 12 |
+ * invoking the provided "decider" function. |
|
| 13 |
+ * |
|
| 14 |
+ * @final |
|
| 15 |
+ */ |
|
| 16 |
+class RetryMiddleware |
|
| 17 |
+{
|
|
| 18 |
+ /** |
|
| 19 |
+ * @var callable(RequestInterface, array): PromiseInterface |
|
| 20 |
+ */ |
|
| 21 |
+ private $nextHandler; |
|
| 22 |
+ |
|
| 23 |
+ /** |
|
| 24 |
+ * @var callable |
|
| 25 |
+ */ |
|
| 26 |
+ private $decider; |
|
| 27 |
+ |
|
| 28 |
+ /** |
|
| 29 |
+ * @var callable(int) |
|
| 30 |
+ */ |
|
| 31 |
+ private $delay; |
|
| 32 |
+ |
|
| 33 |
+ /** |
|
| 34 |
+ * @param callable $decider Function that accepts the number of retries, |
|
| 35 |
+ * a request, [response], and [exception] and |
|
| 36 |
+ * returns true if the request is to be |
|
| 37 |
+ * retried. |
|
| 38 |
+ * @param callable(RequestInterface, array): PromiseInterface $nextHandler Next handler to invoke. |
|
| 39 |
+ * @param (callable(int): int)|null $delay Function that accepts the number of retries |
|
| 40 |
+ * and returns the number of |
|
| 41 |
+ * milliseconds to delay. |
|
| 42 |
+ */ |
|
| 43 |
+ public function __construct(callable $decider, callable $nextHandler, ?callable $delay = null) |
|
| 44 |
+ {
|
|
| 45 |
+ $this->decider = $decider; |
|
| 46 |
+ $this->nextHandler = $nextHandler; |
|
| 47 |
+ $this->delay = $delay ?: __CLASS__.'::exponentialDelay'; |
|
| 48 |
+ } |
|
| 49 |
+ |
|
| 50 |
+ /** |
|
| 51 |
+ * Default exponential backoff delay function. |
|
| 52 |
+ * |
|
| 53 |
+ * @return int milliseconds. |
|
| 54 |
+ */ |
|
| 55 |
+ public static function exponentialDelay(int $retries): int |
|
| 56 |
+ {
|
|
| 57 |
+ return (int) 2 ** ($retries - 1) * 1000; |
|
| 58 |
+ } |
|
| 59 |
+ |
|
| 60 |
+ public function __invoke(RequestInterface $request, array $options): PromiseInterface |
|
| 61 |
+ {
|
|
| 62 |
+ if (!isset($options['retries'])) {
|
|
| 63 |
+ $options['retries'] = 0; |
|
| 64 |
+ } |
|
| 65 |
+ |
|
| 66 |
+ $fn = $this->nextHandler; |
|
| 67 |
+ |
|
| 68 |
+ return $fn($request, $options) |
|
| 69 |
+ ->then( |
|
| 70 |
+ $this->onFulfilled($request, $options), |
|
| 71 |
+ $this->onRejected($request, $options) |
|
| 72 |
+ ); |
|
| 73 |
+ } |
|
| 74 |
+ |
|
| 75 |
+ /** |
|
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+ * Execute fulfilled closure |
|
| 77 |
+ */ |
|
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+ private function onFulfilled(RequestInterface $request, array $options): callable |
|
| 79 |
+ {
|
|
| 80 |
+ return function ($value) use ($request, $options) {
|
|
| 81 |
+ if (!($this->decider)( |
|
| 82 |
+ $options['retries'], |
|
| 83 |
+ $request, |
|
| 84 |
+ $value, |
|
| 85 |
+ null |
|
| 86 |
+ )) {
|
|
| 87 |
+ return $value; |
|
| 88 |
+ } |
|
| 89 |
+ |
|
| 90 |
+ return $this->doRetry($request, $options, $value); |
|
| 91 |
+ }; |
|
| 92 |
+ } |
|
| 93 |
+ |
|
| 94 |
+ /** |
|
| 95 |
+ * Execute rejected closure |
|
| 96 |
+ */ |
|
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+ private function onRejected(RequestInterface $req, array $options): callable |
|
| 98 |
+ {
|
|
| 99 |
+ return function ($reason) use ($req, $options) {
|
|
| 100 |
+ if (!($this->decider)( |
|
| 101 |
+ $options['retries'], |
|
| 102 |
+ $req, |
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| 103 |
+ null, |
|
| 104 |
+ $reason |
|
| 105 |
+ )) {
|
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+ return P\Create::rejectionFor($reason); |
|
| 107 |
+ } |
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+ |
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| 109 |
+ return $this->doRetry($req, $options); |
|
| 110 |
+ }; |
|
| 111 |
+ } |
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+ |
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| 113 |
+ private function doRetry(RequestInterface $request, array $options, ?ResponseInterface $response = null): PromiseInterface |
|
| 114 |
+ {
|
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| 115 |
+ $options['delay'] = ($this->delay)(++$options['retries'], $response, $request); |
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+ |
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+ return $this($request, $options); |
|
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+ } |
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| 119 |
+} |
| 1 | 1 |
deleted file mode 100644 |
| ... | ... |
@@ -1,116 +0,0 @@ |
| 1 |
-<?php |
|
| 2 |
- |
|
| 3 |
-namespace GuzzleHttp; |
|
| 4 |
- |
|
| 5 |
-use GuzzleHttp\Promise as P; |
|
| 6 |
-use GuzzleHttp\Promise\PromiseInterface; |
|
| 7 |
-use Psr\Http\Message\RequestInterface; |
|
| 8 |
-use Psr\Http\Message\ResponseInterface; |
|
| 9 |
- |
|
| 10 |
-/** |
|
| 11 |
- * Middleware that retries requests based on the boolean result of |
|
| 12 |
- * invoking the provided "decider" function. |
|
| 13 |
- * |
|
| 14 |
- * @final |
|
| 15 |
- */ |
|
| 16 |
-class RetryMiddleware |
|
| 17 |
-{
|
|
| 18 |
- /** |
|
| 19 |
- * @var callable(RequestInterface, array): PromiseInterface |
|
| 20 |
- */ |
|
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- private $nextHandler; |
|
| 22 |
- |
|
| 23 |
- /** |
|
| 24 |
- * @var callable |
|
| 25 |
- */ |
|
| 26 |
- private $decider; |
|
| 27 |
- |
|
| 28 |
- /** |
|
| 29 |
- * @var callable(int) |
|
| 30 |
- */ |
|
| 31 |
- private $delay; |
|
| 32 |
- |
|
| 33 |
- /** |
|
| 34 |
- * @param callable $decider Function that accepts the number of retries, |
|
| 35 |
- * a request, [response], and [exception] and |
|
| 36 |
- * returns true if the request is to be |
|
| 37 |
- * retried. |
|
| 38 |
- * @param callable(RequestInterface, array): PromiseInterface $nextHandler Next handler to invoke. |
|
| 39 |
- * @param null|callable(int): int $delay Function that accepts the number of retries |
|
| 40 |
- * and returns the number of |
|
| 41 |
- * milliseconds to delay. |
|
| 42 |
- */ |
|
| 43 |
- public function __construct(callable $decider, callable $nextHandler, callable $delay = null) |
|
| 44 |
- {
|
|
| 45 |
- $this->decider = $decider; |
|
| 46 |
- $this->nextHandler = $nextHandler; |
|
| 47 |
- $this->delay = $delay ?: __CLASS__ . '::exponentialDelay'; |
|
| 48 |
- } |
|
| 49 |
- |
|
| 50 |
- /** |
|
| 51 |
- * Default exponential backoff delay function. |
|
| 52 |
- * |
|
| 53 |
- * @return int milliseconds. |
|
| 54 |
- */ |
|
| 55 |
- public static function exponentialDelay(int $retries): int |
|
| 56 |
- {
|
|
| 57 |
- return (int) \pow(2, $retries - 1) * 1000; |
|
| 58 |
- } |
|
| 59 |
- |
|
| 60 |
- public function __invoke(RequestInterface $request, array $options): PromiseInterface |
|
| 61 |
- {
|
|
| 62 |
- if (!isset($options['retries'])) {
|
|
| 63 |
- $options['retries'] = 0; |
|
| 64 |
- } |
|
| 65 |
- |
|
| 66 |
- $fn = $this->nextHandler; |
|
| 67 |
- return $fn($request, $options) |
|
| 68 |
- ->then( |
|
| 69 |
- $this->onFulfilled($request, $options), |
|
| 70 |
- $this->onRejected($request, $options) |
|
| 71 |
- ); |
|
| 72 |
- } |
|
| 73 |
- |
|
| 74 |
- /** |
|
| 75 |
- * Execute fulfilled closure |
|
| 76 |
- */ |
|
| 77 |
- private function onFulfilled(RequestInterface $request, array $options): callable |
|
| 78 |
- {
|
|
| 79 |
- return function ($value) use ($request, $options) {
|
|
| 80 |
- if (!($this->decider)( |
|
| 81 |
- $options['retries'], |
|
| 82 |
- $request, |
|
| 83 |
- $value, |
|
| 84 |
- null |
|
| 85 |
- )) {
|
|
| 86 |
- return $value; |
|
| 87 |
- } |
|
| 88 |
- return $this->doRetry($request, $options, $value); |
|
| 89 |
- }; |
|
| 90 |
- } |
|
| 91 |
- |
|
| 92 |
- /** |
|
| 93 |
- * Execute rejected closure |
|
| 94 |
- */ |
|
| 95 |
- private function onRejected(RequestInterface $req, array $options): callable |
|
| 96 |
- {
|
|
| 97 |
- return function ($reason) use ($req, $options) {
|
|
| 98 |
- if (!($this->decider)( |
|
| 99 |
- $options['retries'], |
|
| 100 |
- $req, |
|
| 101 |
- null, |
|
| 102 |
- $reason |
|
| 103 |
- )) {
|
|
| 104 |
- return P\Create::rejectionFor($reason); |
|
| 105 |
- } |
|
| 106 |
- return $this->doRetry($req, $options); |
|
| 107 |
- }; |
|
| 108 |
- } |
|
| 109 |
- |
|
| 110 |
- private function doRetry(RequestInterface $request, array $options, ResponseInterface $response = null): PromiseInterface |
|
| 111 |
- {
|
|
| 112 |
- $options['delay'] = ($this->delay)(++$options['retries'], $response); |
|
| 113 |
- |
|
| 114 |
- return $this($request, $options); |
|
| 115 |
- } |
|
| 116 |
-} |
| 1 | 1 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,116 @@ |
| 1 |
+<?php |
|
| 2 |
+ |
|
| 3 |
+namespace GuzzleHttp; |
|
| 4 |
+ |
|
| 5 |
+use GuzzleHttp\Promise as P; |
|
| 6 |
+use GuzzleHttp\Promise\PromiseInterface; |
|
| 7 |
+use Psr\Http\Message\RequestInterface; |
|
| 8 |
+use Psr\Http\Message\ResponseInterface; |
|
| 9 |
+ |
|
| 10 |
+/** |
|
| 11 |
+ * Middleware that retries requests based on the boolean result of |
|
| 12 |
+ * invoking the provided "decider" function. |
|
| 13 |
+ * |
|
| 14 |
+ * @final |
|
| 15 |
+ */ |
|
| 16 |
+class RetryMiddleware |
|
| 17 |
+{
|
|
| 18 |
+ /** |
|
| 19 |
+ * @var callable(RequestInterface, array): PromiseInterface |
|
| 20 |
+ */ |
|
| 21 |
+ private $nextHandler; |
|
| 22 |
+ |
|
| 23 |
+ /** |
|
| 24 |
+ * @var callable |
|
| 25 |
+ */ |
|
| 26 |
+ private $decider; |
|
| 27 |
+ |
|
| 28 |
+ /** |
|
| 29 |
+ * @var callable(int) |
|
| 30 |
+ */ |
|
| 31 |
+ private $delay; |
|
| 32 |
+ |
|
| 33 |
+ /** |
|
| 34 |
+ * @param callable $decider Function that accepts the number of retries, |
|
| 35 |
+ * a request, [response], and [exception] and |
|
| 36 |
+ * returns true if the request is to be |
|
| 37 |
+ * retried. |
|
| 38 |
+ * @param callable(RequestInterface, array): PromiseInterface $nextHandler Next handler to invoke. |
|
| 39 |
+ * @param null|callable(int): int $delay Function that accepts the number of retries |
|
| 40 |
+ * and returns the number of |
|
| 41 |
+ * milliseconds to delay. |
|
| 42 |
+ */ |
|
| 43 |
+ public function __construct(callable $decider, callable $nextHandler, callable $delay = null) |
|
| 44 |
+ {
|
|
| 45 |
+ $this->decider = $decider; |
|
| 46 |
+ $this->nextHandler = $nextHandler; |
|
| 47 |
+ $this->delay = $delay ?: __CLASS__ . '::exponentialDelay'; |
|
| 48 |
+ } |
|
| 49 |
+ |
|
| 50 |
+ /** |
|
| 51 |
+ * Default exponential backoff delay function. |
|
| 52 |
+ * |
|
| 53 |
+ * @return int milliseconds. |
|
| 54 |
+ */ |
|
| 55 |
+ public static function exponentialDelay(int $retries): int |
|
| 56 |
+ {
|
|
| 57 |
+ return (int) \pow(2, $retries - 1) * 1000; |
|
| 58 |
+ } |
|
| 59 |
+ |
|
| 60 |
+ public function __invoke(RequestInterface $request, array $options): PromiseInterface |
|
| 61 |
+ {
|
|
| 62 |
+ if (!isset($options['retries'])) {
|
|
| 63 |
+ $options['retries'] = 0; |
|
| 64 |
+ } |
|
| 65 |
+ |
|
| 66 |
+ $fn = $this->nextHandler; |
|
| 67 |
+ return $fn($request, $options) |
|
| 68 |
+ ->then( |
|
| 69 |
+ $this->onFulfilled($request, $options), |
|
| 70 |
+ $this->onRejected($request, $options) |
|
| 71 |
+ ); |
|
| 72 |
+ } |
|
| 73 |
+ |
|
| 74 |
+ /** |
|
| 75 |
+ * Execute fulfilled closure |
|
| 76 |
+ */ |
|
| 77 |
+ private function onFulfilled(RequestInterface $request, array $options): callable |
|
| 78 |
+ {
|
|
| 79 |
+ return function ($value) use ($request, $options) {
|
|
| 80 |
+ if (!($this->decider)( |
|
| 81 |
+ $options['retries'], |
|
| 82 |
+ $request, |
|
| 83 |
+ $value, |
|
| 84 |
+ null |
|
| 85 |
+ )) {
|
|
| 86 |
+ return $value; |
|
| 87 |
+ } |
|
| 88 |
+ return $this->doRetry($request, $options, $value); |
|
| 89 |
+ }; |
|
| 90 |
+ } |
|
| 91 |
+ |
|
| 92 |
+ /** |
|
| 93 |
+ * Execute rejected closure |
|
| 94 |
+ */ |
|
| 95 |
+ private function onRejected(RequestInterface $req, array $options): callable |
|
| 96 |
+ {
|
|
| 97 |
+ return function ($reason) use ($req, $options) {
|
|
| 98 |
+ if (!($this->decider)( |
|
| 99 |
+ $options['retries'], |
|
| 100 |
+ $req, |
|
| 101 |
+ null, |
|
| 102 |
+ $reason |
|
| 103 |
+ )) {
|
|
| 104 |
+ return P\Create::rejectionFor($reason); |
|
| 105 |
+ } |
|
| 106 |
+ return $this->doRetry($req, $options); |
|
| 107 |
+ }; |
|
| 108 |
+ } |
|
| 109 |
+ |
|
| 110 |
+ private function doRetry(RequestInterface $request, array $options, ResponseInterface $response = null): PromiseInterface |
|
| 111 |
+ {
|
|
| 112 |
+ $options['delay'] = ($this->delay)(++$options['retries'], $response); |
|
| 113 |
+ |
|
| 114 |
+ return $this($request, $options); |
|
| 115 |
+ } |
|
| 116 |
+} |