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<?php |
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namespace Thruster\Component\MysqlClient; |
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use mysqli; |
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use Thruster\Component\EventLoop\EventLoopInterface; |
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use Thruster\Component\EventLoop\Timer; |
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use Thruster\Component\MysqlClient\Exception\ConnectionException; |
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use Thruster\Component\MysqlClient\Exception\QueryException; |
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use Thruster\Component\Promise\Deferred; |
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use Thruster\Component\Promise\ExtendedPromiseInterface; |
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use Thruster\Component\Promise\FulfilledPromise; |
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use Thruster\Component\Promise\RejectedPromise; |
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/** |
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* Class Client |
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* |
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* @package Thruster\Component\MysqlClient |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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class Client |
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{ |
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/** |
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* @var EventLoopInterface |
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*/ |
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private $loop; |
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/** |
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* @var ConnectionPool |
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*/ |
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private $connectionPool; |
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public function __construct(EventLoopInterface $loop, ConnectionPool $connectionPool) |
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{ |
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$this->loop = $loop; |
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$this->connectionPool = $connectionPool; |
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} |
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public function query($sql) : ExtendedPromiseInterface |
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{ |
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return $this->connectionPool->getConnection()->then( |
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function (mysqli $connection) use ($sql) { |
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$status = $connection->query($sql, MYSQLI_ASYNC); |
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if (false === $status) { |
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$this->connectionPool->freeConnection($connection); |
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return new RejectedPromise(new QueryException($connection->error, $connection->errno)); |
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} |
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$deferred = new Deferred(); |
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$this->loop->addPeriodicTimer(0.001, function (Timer $timer) use ($deferred, $connection) { |
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$links = $errors = $reject = [$connection]; |
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mysqli_poll($links, $errors, $reject, 0); |
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$read = in_array($connection, $links, true); |
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$error = in_array($connection, $errors, true); |
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$reject = in_array($connection, $reject, true); |
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if ($read || $error || $reject) { |
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if ($read) { |
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$result = $connection->reap_async_query(); |
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if (false === $result) { |
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$deferred->reject(QueryException::create($connection->error, $connection->errno)); |
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} else { |
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$deferred->resolve($result); |
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} |
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} elseif ($error) { |
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$deferred->reject(QueryException::create($connection->error, $connection->errno)); |
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} else { |
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$deferred->reject(new QueryException('Query was rejected')); |
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} |
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$timer->cancel(); |
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$this->connectionPool->freeConnection($connection); |
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} |
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}); |
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return $deferred->promise(); |
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} |
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); |
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} |
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public function escape($input) : ExtendedPromiseInterface |
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{ |
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return $this->connectionPool->getConnection()->then( |
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function (mysqli $connection) use ($input) { |
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$result = $connection->real_escape_string($input); |
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$this->connectionPool->freeConnection($connection); |
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return new FulfilledPromise($result); |
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} |
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); |
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} |
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} |
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ThrusterIO /
mysql-client
