%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/*
* This file is part of the ManageWP Worker plugin.
*
* (c) ManageWP LLC <contact@managewp.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class MWP_IncrementalBackup_Database_PhpDumper implements MWP_IncrementalBackup_Database_DumperInterface
{
const METHOD_PDO = 1;
const METHOD_MYSQLI = 2;
const METHOD_MYSQL = 3;
private $transferSize = 102400; // 100kb
/**
* @var MWP_IncrementalBackup_Database_Configuration
*/
private $configuration;
/**
* @var MWP_System_Environment
*/
private $environment;
/**
* @var MWP_IncrementalBackup_Database_DumpOptions
*/
private $options;
/**
* @var MWP_IncrementalBackup_Database_ConnectionInterface
*/
private $connection;
/**
* @param MWP_IncrementalBackup_Database_Configuration $configuration
* @param MWP_System_Environment $environment
* @param MWP_IncrementalBackup_Database_DumpOptions $options
*/
public function __construct(MWP_IncrementalBackup_Database_Configuration $configuration, MWP_System_Environment $environment, MWP_IncrementalBackup_Database_DumpOptions $options)
{
$this->configuration = $configuration;
$this->environment = $environment;
$this->options = $options;
}
/**
* {@inheritdoc}
*/
public function dump($table, $realpath)
{
$stream = $this->createStream(array($table));
$handle = @fopen($realpath, 'w');
if ($handle === false) {
$error = error_get_last();
$message = isset($error['message']) ? $error['message'] : sprintf('Unable to open file %s for writing.', $realpath);
throw new MWP_Worker_Exception(MWP_Worker_Exception::IO_EXCEPTION, $message, $error);
}
while (!$stream->eof()) {
fwrite($handle, $stream->read($this->transferSize));
}
fclose($handle);
}
/**
* {@inheritdoc}
*/
public function createStream(array $tables = array())
{
if (!$this->connection) {
$this->createConnection();
}
$this->options->setTables($tables);
$dumper = new MWP_IncrementalBackup_Database_StreamableQuerySequenceDump($this->connection, $this->options);
return $dumper->createStream();
}
private function createConnection()
{
$connectionMethods = $this->options->getConnectionMethods();
if (!empty($connectionMethods) && is_array($connectionMethods)) {
$this->getPreferredConnection($connectionMethods);
if ($this->connection !== null) {
return $this->connection;
}
}
if ($this->environment->isPdoEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_PdoConnection($this->configuration);
} elseif ($this->environment->isMysqliEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_MysqliConnection($this->configuration);
} elseif ($this->environment->isMysqlEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_MysqlConnection($this->configuration);
} else {
throw new MWP_IncrementalBackup_Database_Exception_ConnectionException("No mysql drivers available.");
}
return $this->connection;
}
private function getPreferredConnection($methods)
{
foreach ($methods as $method) {
try {
if ($method == self::METHOD_PDO && $this->environment->isPdoEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_PdoConnection($this->configuration);
} elseif ($method == self::METHOD_MYSQLI && $this->environment->isMysqliEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_MysqliConnection($this->configuration);
} elseif ($method == self::METHOD_MYSQL && $this->environment->isMysqlEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_MysqlConnection($this->configuration);
}
} catch (Exception $e) {
}
}
}
}
Zerion Mini Shell 1.0