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<?php declare(strict_types=1); |
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namespace EdmondsCommerce\DoctrineStaticMeta\EntityManager\RetryConnection; |
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/** |
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* @SuppressWarnings(PHPMD.BooleanArgumentFlag) |
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*/ |
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class ShouldConnectionByRetried |
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{ |
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public const KEY_USE_RECONNECT = 'should-reconnect'; |
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public const KEY_RECONNECT_ATTEMPTS = 'reconnect-attempts'; |
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public const KEY_RECONNECT_TIMEOUT = 'reconnect-timeout'; |
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/** |
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* @var int |
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*/ |
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private $allowedAttempts; |
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/** |
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* @var int |
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*/ |
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private $timeout; |
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private function __construct(int $allowedAttempts, int $timeout) |
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{ |
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$this->allowedAttempts = $allowedAttempts; |
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$this->timeout = $timeout; |
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} |
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public static function createWithConfigParams(array $config): ShouldConnectionByRetried |
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{ |
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$allowedAttempts = $config['driverOptions'][self::KEY_RECONNECT_ATTEMPTS] ?? 3; |
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$timeout = $config['driverOptions'][self::KEY_RECONNECT_TIMEOUT] ?? 5; |
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return new self($allowedAttempts, $timeout); |
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} |
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public function checkAndSleep( |
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\Exception $exception, |
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int $transactionNestingLevel, |
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int $numberOfAttempts, |
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bool $ignoreTransactionLevel = false |
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): bool { |
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switch (true) { |
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case $this->attemptsHaveExceededLimit($numberOfAttempts): |
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case $this->transactionLevelWillCauseProblems($ignoreTransactionLevel, $transactionNestingLevel): |
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case $this->exceptionIsNotRelatedToLostConnection($exception): |
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$retry = false; |
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break; |
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default: |
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sleep($this->timeout); |
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$retry = true; |
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} |
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return $retry; |
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} |
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private function attemptsHaveExceededLimit(int $numberOfAttempts): bool |
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{ |
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return $numberOfAttempts > $this->allowedAttempts; |
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} |
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private function exceptionIsNotRelatedToLostConnection(\Exception $exception): bool |
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{ |
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$message = $exception->getMessage(); |
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switch (true) { |
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case \ts\stringContains($message, 'MySQL server has gone away'): |
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case \ts\stringContains($message, 'Lost connection to MySQL server during query'): |
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case \ts\stringContains($message, 'Connection timed out'): |
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return false; |
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default: |
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return true; |
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} |
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} |
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private function transactionLevelWillCauseProblems(bool $ignoreTransactionLevel, int $transactionNestingLevel): bool |
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{ |
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if ($ignoreTransactionLevel === true) { |
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return false; |
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} |
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return $transactionNestingLevel === 0; |
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} |
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} |
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edmondscommerce /
doctrine-static-meta
