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<?php |
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/* |
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* This file is part of the PHPProm package. |
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* |
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* (c) Philip Lehmann-Böhm <[email protected]> |
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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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namespace PHPProm\Storage; |
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/** |
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* Class Redis |
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* Storage implementation using Redis. |
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* @package PHPProm\Storage |
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*/ |
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class Redis extends AbstractStorage { |
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/** |
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* @var \Redis |
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* The Redis connection. |
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*/ |
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protected $redis; |
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/** |
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* Redis constructor. |
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* |
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* @param string $host |
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* the connection host |
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* @param null|string $password |
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* the password for authentication, null to ignore |
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* @param int $port |
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* the connection port, default 6379 |
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* @param string $prefix |
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* the global key prefix to use, default 'PHPProm:' |
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* @param null|string $dbIndex |
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* the Redis DB index to use, null to ignore |
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*/ |
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public function __construct($host, $password = null, $port = 6379, $prefix = 'PHPProm:', $dbIndex = null) { |
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parent::__construct(); |
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$this->redis = new \Redis(); |
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$this->redis->connect($host, $port); |
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if ($password !== null) { |
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$this->redis->auth($password); |
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} |
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if ($dbIndex !== null) { |
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$this->redis->select($dbIndex); |
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} |
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$this->redis->setOption(\Redis::OPT_PREFIX, $prefix); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function storeMeasurement($metric, $key, $value) { |
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$this->redis->set($metric.':'.$key, $value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function incrementMeasurement($metric, $key) { |
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$this->redis->incr($metric.':'.$key); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getMeasurements($metric, array $keys, $defaultValue = 'Nan') { |
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$measurements = []; |
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$prefixedKeys = array_map(function($key) use ($metric) { |
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return $metric.':'.$key; |
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}, $keys); |
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foreach ($this->redis->mget($prefixedKeys) as $i => $value) { |
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$measurements[$keys[$i]] = $value !== false ? (float)$value : $defaultValue; |
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} |
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return $measurements; |
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} |
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} |
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philiplb /
PHPProm
