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<?php |
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/** |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 Repo2 |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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namespace Repo2\QueryReactor\Driver\Mysqli; |
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use Psr\Log\LoggerInterface; |
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use Repo2\QueryBuilder; |
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use Repo2\QueryReactor\Driver; |
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use Repo2\QueryReactor\Result; |
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class MysqliDriver implements Driver |
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{ |
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/** @var LoggerInterface */ |
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private $logger; |
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/** @var int */ |
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private $timeout; |
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/** |
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* @param LoggerInterface $logger |
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* @param int $timeout |
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*/ |
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public function __construct(LoggerInterface $logger, $timeout = 1) |
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{ |
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$this->logger = $logger; |
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$this->timeout = $timeout; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function connect(array $params, $username, $passwd) |
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{ |
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$link = mysqli_init(); |
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set_error_handler(function () { |
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}); |
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if (!$link->real_connect($params['host'], $username, $passwd, $params['dbname'])) { |
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restore_error_handler(); |
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throw new MysqliException($link->connect_error, $link->connect_errno); |
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} |
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restore_error_handler(); |
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$this->logger->debug(sprintf('Connected to %s.', $this->info($link))); |
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return $link; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function query($link, QueryBuilder\ExpressionInterface $expr) |
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{ |
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/* @var $link \mysqli */ |
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$sql = $expr->compile(new QueryBuilder\Driver\Mysqli($link)); |
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if (false === $link->query($sql, MYSQLI_ASYNC)) { |
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throw $this->error($link); |
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} |
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$this->logger->debug(sprintf('Running %s on %s.', $sql, $this->info($link))); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function poll(array $links) |
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{ |
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$read = $error = $reject = $links; |
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if (false === mysqli_poll($read, $error, $reject, $this->timeout)) { |
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throw new MysqliException(sprintf('Maximum polling time of %d seconds exceeded.', $this->timeout)); |
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} |
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foreach ($reject as $link) { |
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/* @var $link \mysqli */ |
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throw new MysqliException(sprintf('The connection to the host %s is rejected.', $link->host_info)); |
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} |
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return [$read, $error]; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function info($link) |
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{ |
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/* @var $link \mysqli */ |
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return sprintf('%s (thread %d)', $link->host_info, $link->thread_id); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function read($link) |
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{ |
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/* @var $link \mysqli */ |
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$result = $link->reap_async_query(); |
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if (false === $result) { |
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throw $this->error($link); |
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} |
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if ($result instanceof \mysqli_result) { |
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return new MysqliResult($result); |
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} |
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return new Result\NobodyResult($link->affected_rows); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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9 |
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public function error($link) |
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{ |
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/* @var $link \mysqli */ |
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return new MysqliException($link->error, $link->errno); |
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} |
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} |
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Repo2 /
query-reactor
