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<?php |
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declare(strict_types=1); |
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namespace MySQLReplication; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Exception; |
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use Doctrine\DBAL\DriverManager; |
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use MySQLReplication\BinaryDataReader\BinaryDataReaderException; |
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use MySQLReplication\BinLog\BinLogException; |
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use MySQLReplication\BinLog\BinLogServerInfo; |
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use MySQLReplication\BinLog\BinLogSocketConnect; |
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use MySQLReplication\Cache\ArrayCache; |
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use MySQLReplication\Config\Config; |
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use MySQLReplication\Config\ConfigException; |
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use MySQLReplication\Event\Event; |
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use MySQLReplication\Event\RowEvent\RowEventFactory; |
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use MySQLReplication\Exception\MySQLReplicationException; |
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use MySQLReplication\Gtid\GtidException; |
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use MySQLReplication\JsonBinaryDecoder\JsonBinaryDecoderException; |
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use MySQLReplication\Repository\MySQLRepository; |
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use MySQLReplication\Repository\RepositoryInterface; |
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use MySQLReplication\Socket\Socket; |
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use MySQLReplication\Socket\SocketException; |
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use MySQLReplication\Socket\SocketInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use Psr\SimpleCache\CacheInterface; |
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use Psr\SimpleCache\InvalidArgumentException; |
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use Symfony\Component\EventDispatcher\EventDispatcher; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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class MySQLReplicationFactory |
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{ |
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private $connection; |
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private $eventDispatcher; |
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private $event; |
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private $binLogServerConnect; |
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/** |
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* @var Config |
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*/ |
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private $config; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @var SocketInterface |
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*/ |
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private $socket; |
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/** |
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* @throws BinLogException |
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* @throws ConfigException |
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* @throws Exception |
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* @throws SocketException |
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* @throws GtidException |
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*/ |
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public function __construct( |
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Config $config, |
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?RepositoryInterface $repository = null, |
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?CacheInterface $cache = null, |
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?EventDispatcherInterface $eventDispatcher = null, |
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?SocketInterface $socket = null, |
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?LoggerInterface $logger = null |
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) { |
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$this->config = $config; |
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$this->logger = $logger ?? new NullLogger(); |
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$config->validate(); |
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if (null === $repository) { |
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$this->connection = DriverManager::getConnection( |
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[ |
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'user' => $config->getUser(), |
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'password' => $config->getPassword(), |
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'host' => $config->getHost(), |
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'port' => $config->getPort(), |
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'driver' => 'pdo_mysql', |
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'charset' => $config->getCharset() |
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] |
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); |
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$repository = new MySQLRepository($this->connection); |
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} |
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if (null === $cache) { |
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$cache = new ArrayCache($config->getTableCacheSize()); |
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} |
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$this->eventDispatcher = $eventDispatcher ?: new EventDispatcher(); |
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if (null === $socket) { |
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$socket = new Socket(); |
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} |
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$this->binLogServerConnect = new BinLogSocketConnect( |
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$config, |
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$repository, |
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$socket |
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); |
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$this->event = new Event( |
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$config, |
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$this->binLogServerConnect, |
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new RowEventFactory( |
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$config, |
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$repository, |
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$cache |
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), |
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$this->eventDispatcher, |
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$cache |
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); |
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$this->socket = $socket; |
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$this->connect(); |
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} |
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public function connect() |
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{ |
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$this->event->connect(); |
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$this->logger->info("[MysqlReplication] Connected."); |
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} |
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public function getBinLogServerInfo(): BinLogServerInfo |
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{ |
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return $this->binLogServerConnect->getBinLogServerInfo(); |
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} |
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public function registerSubscriber(EventSubscriberInterface $eventSubscribers): void |
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{ |
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$this->eventDispatcher->addSubscriber($eventSubscribers); |
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} |
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public function unregisterSubscriber(EventSubscriberInterface $eventSubscribers): void |
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{ |
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$this->eventDispatcher->removeSubscriber($eventSubscribers); |
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} |
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public function getDbConnection(): Connection |
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{ |
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return $this->connection; |
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} |
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/** |
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* @throws SocketException |
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* @throws JsonBinaryDecoderException |
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* @throws BinaryDataReaderException |
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* @throws BinLogException |
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* @throws InvalidArgumentException |
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* @throws MySQLReplicationException |
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*/ |
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public function run(): void |
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{ |
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$retryNum = $this->config->getRetry(); |
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while (1) { |
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if (! $this->socket->isConnected()) { |
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try { |
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if ($retryNum) { |
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$retryNum--; |
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$this->connect(); |
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$retryNum = $this->config->getRetry(); |
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} else { |
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break; |
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} |
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} catch (\Throwable $e) { |
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$this->logger->warning("[MysqlReplication] Connect error:" . $e->getMessage(), ['exception' => $e]); |
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if (method_exists($this->socket, 'close')) { |
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$this->socket->close(); |
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} |
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sleep(1); |
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continue; |
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} |
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} |
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try { |
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while (1) { |
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$this->consume(); |
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} |
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} catch (SocketException $e) { |
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$this->logger->warning("[MysqlReplication] Connection lost: " . $e->getMessage(), ['exception' => $e]); |
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if (method_exists($this->socket, 'close')) { |
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$this->socket->close(); |
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} |
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} |
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} |
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} |
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/** |
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* @throws MySQLReplicationException |
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* @throws InvalidArgumentException |
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* @throws BinLogException |
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* @throws BinaryDataReaderException |
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* @throws JsonBinaryDecoderException |
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* @throws SocketException |
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*/ |
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public function consume(): void |
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{ |
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$this->event->consume(); |
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} |
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} |
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Moln /
php-mysql-replication
