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<?php |
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declare(strict_types=1); |
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namespace example; |
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error_reporting(E_ALL); |
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date_default_timezone_set('UTC'); |
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include __DIR__ . '/../vendor/autoload.php'; |
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use Monolog\Handler\StreamHandler; |
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use Monolog\Logger; |
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use MySQLReplication\BinLog\BinLogCurrent; |
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use MySQLReplication\Config\ConfigBuilder; |
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use MySQLReplication\Event\DTO\EventDTO; |
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use MySQLReplication\Event\EventSubscribers; |
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use MySQLReplication\MySQLReplicationFactory; |
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$logger = new Logger("app", [new StreamHandler(STDOUT)]); |
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BinLogBootstrap::clear(); |
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/** |
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* Your db configuration @see ConfigBuilder for more options |
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*/ |
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$binLogStream = new MySQLReplicationFactory( |
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BinLogBootstrap::startFromPosition(new ConfigBuilder()) |
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->withUser('root') |
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->withHost('127.0.0.1') |
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->withPort(3306) |
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->withPassword('root') |
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->withRetry(3) |
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->build(), |
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null, null, null, null, |
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$logger |
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); |
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/** |
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* Class BenchmarkEventSubscribers |
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* @package example |
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*/ |
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class MyEventSubscribers extends EventSubscribers |
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{ |
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/** |
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* @param EventDTO $event (your own handler more in EventSubscribers class ) |
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*/ |
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public function allEvents(EventDTO $event): void |
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{ |
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// all events got __toString() implementation |
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echo $event; |
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// all events got JsonSerializable implementation |
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//echo json_encode($event, JSON_PRETTY_PRINT); |
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echo 'Memory usage ' . round(memory_get_usage() / 1048576, 2) . ' MB' . PHP_EOL; |
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// save event for resuming it later |
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BinLogBootstrap::save($event->getEventInfo()->getBinLogCurrent()); |
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} |
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} |
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/** |
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* Class SaveBinLogPos |
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* @package example |
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*/ |
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class BinLogBootstrap |
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{ |
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/** |
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* @var string |
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*/ |
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private static $fileAndPath; |
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/** |
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* @return string |
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*/ |
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private static function getFileAndPath(): string |
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{ |
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if (null === self::$fileAndPath) { |
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self::$fileAndPath = '/tmp/bin-log-replicator-last-position'; |
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} |
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return self::$fileAndPath; |
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} |
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public static function clear() { |
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file_exists(self::getFileAndPath()) && unlink(self::getFileAndPath()); |
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} |
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/** |
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* @param BinLogCurrent $binLogCurrent |
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*/ |
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public static function save(BinLogCurrent $binLogCurrent): void |
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{ |
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echo 'saving file:' . $binLogCurrent->getBinFileName() . ', position:' . $binLogCurrent->getBinLogPosition() . ' bin log position' . PHP_EOL; |
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// can be redis/nosql/file - something fast! |
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// to speed up you can save every xxx time |
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// you can also use signal handler for ctrl + c exiting script to wait for last event |
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file_put_contents(self::getFileAndPath(), serialize($binLogCurrent)); |
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} |
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/** |
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* @param ConfigBuilder $builder |
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* @return ConfigBuilder |
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*/ |
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public static function startFromPosition(ConfigBuilder $builder): ConfigBuilder |
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{ |
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if (!is_file(self::getFileAndPath())) { |
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return $builder; |
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} |
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/** @var BinLogCurrent $binLogCurrent */ |
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$binLogCurrent = unserialize(file_get_contents(self::getFileAndPath())); |
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echo 'starting from file:' . $binLogCurrent->getBinFileName() . ', position:' . $binLogCurrent->getBinLogPosition() . ' bin log position' . PHP_EOL; |
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return $builder |
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->withBinLogFileName($binLogCurrent->getBinFileName()) |
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->withBinLogPosition($binLogCurrent->getBinLogPosition()); |
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} |
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} |
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// register your events handler here |
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$binLogStream->registerSubscriber(new MyEventSubscribers()); |
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// start consuming events |
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$binLogStream->run(); |
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Moln /
php-mysql-replication
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