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<?php |
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/** |
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* This file is part of Poloniex PHP SDK. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @copyright 2017-2018 Chasovskih Grisha <[email protected]> |
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* @license https://github.com/signulls/poloniex-php-sdk/blob/master/LICENSE MIT |
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*/ |
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namespace Poloniex\CallHistory; |
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use Predis\Client; |
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use DateTime; |
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/** |
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* Class RedisCallHistory |
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* |
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* @author Grisha Chasovskih <[email protected]> |
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*/ |
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class RedisCallHistory implements CallHistoryInterface |
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{ |
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/** |
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* Client class used for connecting and executing commands on Redis. |
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* |
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* @var Client |
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*/ |
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protected $redisClient; |
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/** |
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* Time for cache |
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* |
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* @var string |
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*/ |
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protected $expireTime; |
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/** |
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* @var string |
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*/ |
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private $ip; |
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/** |
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* RedisCallHistory constructor. |
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* |
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* @param Client $client |
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* @param string $expireTime |
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*/ |
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public function __construct(Client $client, string $expireTime = '1 hour') |
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{ |
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$this->ip = gethostbyname(gethostname()); |
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$this->expireTime = $expireTime; |
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$this->redisClient = $client; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function create(): void |
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{ |
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$this->redisClient->hincrby($this->getKey(), $this->getTime(), 1); |
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$this->redisClient->expireat($this->getKey(), strtotime('+' . $this->expireTime)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isIncreased(): bool |
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{ |
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return $this->redisClient->hget($this->getKey(), $this->getTime()) >= self::CALLS_PER_SECOND; |
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} |
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/** |
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* Create time key based by one second |
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* |
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* @return string |
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*/ |
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private function getTime(): string |
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{ |
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return (new DateTime())->format('Y:m:d:H:i:s'); |
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} |
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/** |
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* Get key |
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* |
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* @return string |
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*/ |
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private function getKey(): string |
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{ |
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return 'poloniex:calls:' . $this->ip; |
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} |
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} |
signulls /
poloniex-php-sdk
