/** @internal */
public static function _applyRetryConfig($value, array &$args, HandlerList $list)
{
if (!$value) {
return;
}
$list->appendSign(Middleware::retry(RetryMiddleware::createDefaultDecider($value), function ($retries) {
return $retries ? RetryMiddleware::exponentialDelay($retries) / 2 : 0;
}, isset($args['stats']['retries']) ? (bool) $args['stats']['retries'] : false), 'retry');
}
/** @internal */
public static function _applyRetryConfig($value, $_, HandlerList $list)
{
if (!$value) {
return;
}
$decider = RetryMiddleware::createDefaultDecider($value);
$decider = function ($retries, $command, $request, $result, $error) use($decider, $value) {
$maxRetries = null !== $command['@retries'] ? $command['@retries'] : $value;
if ($decider($retries, $command, $request, $result, $error)) {
return true;
} elseif ($error instanceof AwsException && $retries < $maxRetries) {
if ($error->getResponse() && $error->getResponse()->getStatusCode() >= 400) {
return strpos($error->getResponse()->getBody(), 'Your socket connection to the server') !== false;
} elseif ($error->getPrevious() instanceof RequestException) {
// All commands except CompleteMultipartUpload are
// idempotent and may be retried without worry if a
// networking error has occurred.
return $command->getName() !== 'CompleteMultipartUpload';
}
}
return false;
};
$delay = [RetryMiddleware::class, 'exponentialDelay'];
$list->appendSign(Middleware::retry($decider, $delay), 'retry');
}
public static function _apply_retries($value, array &$args, HandlerList $list)
{
if ($value) {
$decider = RetryMiddleware::createDefaultDecider($value);
$list->appendSign(Middleware::retry($decider, null, $args['stats']['retries']), 'retry');
}
}
/**
* Middleware wrapper function that retries requests based on the boolean
* result of invoking the provided "decider" function.
*
* If no delay function is provided, a simple implementation of exponential
* backoff will be utilized.
*
* @param callable $decider Function that accepts the number of retries,
* a request, [result], and [exception] and
* returns true if the command is to be retried.
* @param callable $delay Function that accepts the number of retries and
* returns the number of milliseconds to delay.
* @param bool $stats Whether to collect statistics on retries and the
* associated delay.
*
* @return callable
*/
public static function retry(callable $decider = null, callable $delay = null, $stats = false)
{
$decider = $decider ?: RetryMiddleware::createDefaultDecider();
$delay = $delay ?: [RetryMiddleware::class, 'exponentialDelay'];
return function (callable $handler) use($decider, $delay, $stats) {
return new RetryMiddleware($decider, $delay, $handler, $stats);
};
}