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Dir : ~/usr/share/phpmyadmin/libraries/classes/
View File Name : ReplicationInfo.php

<?php

declare(strict_types=1);

namespace PhpMyAdmin;

use function count;
use function explode;
use function sprintf;

final class ReplicationInfo
{
    /** @var string[] */
    public $primaryVariables = [
        'File',
        'Position',
        'Binlog_Do_DB',
        'Binlog_Ignore_DB',
    ];

    /** @var string[] */
    public $replicaVariables = [
        'Slave_IO_State',
        'Master_Host',
        'Master_User',
        'Master_Port',
        'Connect_Retry',
        'Master_Log_File',
        'Read_Master_Log_Pos',
        'Relay_Log_File',
        'Relay_Log_Pos',
        'Relay_Master_Log_File',
        'Slave_IO_Running',
        'Slave_SQL_Running',
        'Replicate_Do_DB',
        'Replicate_Ignore_DB',
        'Replicate_Do_Table',
        'Replicate_Ignore_Table',
        'Replicate_Wild_Do_Table',
        'Replicate_Wild_Ignore_Table',
        'Last_Errno',
        'Last_Error',
        'Skip_Counter',
        'Exec_Master_Log_Pos',
        'Relay_Log_Space',
        'Until_Condition',
        'Until_Log_File',
        'Until_Log_Pos',
        'Master_SSL_Allowed',
        'Master_SSL_CA_File',
        'Master_SSL_CA_Path',
        'Master_SSL_Cert',
        'Master_SSL_Cipher',
        'Master_SSL_Key',
        'Seconds_Behind_Master',
    ];

    /** @var array */
    private $primaryStatus;

    /** @var array */
    private $replicaStatus;

    /** @var array */
    private $multiPrimaryStatus;

    /** @var array */
    private $primaryInfo;

    /** @var array */
    private $replicaInfo;

    /** @var DatabaseInterface */
    private $dbi;

    public function __construct(DatabaseInterface $dbi)
    {
        $this->dbi = $dbi;
    }

    public function load(?string $connection = null): void
    {
        global $url_params;

        $this->setPrimaryStatus();

        if (! empty($connection)) {
            $this->setMultiPrimaryStatus();

            if ($this->multiPrimaryStatus) {
                $this->setDefaultPrimaryConnection($connection);
                $url_params['master_connection'] = $connection;
            }
        }

        $this->setReplicaStatus();
        $this->setPrimaryInfo();
        $this->setReplicaInfo();
    }

    private function setPrimaryStatus(): void
    {
        $this->primaryStatus = $this->dbi->fetchResult('SHOW MASTER STATUS');
    }

    /**
     * @return array
     */
    public function getPrimaryStatus()
    {
        return $this->primaryStatus;
    }

    private function setReplicaStatus(): void
    {
        $this->replicaStatus = $this->dbi->fetchResult('SHOW SLAVE STATUS');
    }

    /**
     * @return array
     */
    public function getReplicaStatus()
    {
        return $this->replicaStatus;
    }

    private function setMultiPrimaryStatus(): void
    {
        $this->multiPrimaryStatus = $this->dbi->fetchResult('SHOW ALL SLAVES STATUS');
    }

    private function setDefaultPrimaryConnection(string $connection): void
    {
        $this->dbi->query(sprintf('SET @@default_master_connection = \'%s\'', $this->dbi->escapeString($connection)));
    }

    private static function fill(array $status, string $key): array
    {
        if (empty($status[0][$key])) {
            return [];
        }

        return explode(',', $status[0][$key]);
    }

    private function setPrimaryInfo(): void
    {
        $this->primaryInfo = ['status' => false];

        if (count($this->primaryStatus) > 0) {
            $this->primaryInfo['status'] = true;
        }

        if (! $this->primaryInfo['status']) {
            return;
        }

        $this->primaryInfo['Do_DB'] = self::fill($this->primaryStatus, 'Binlog_Do_DB');
        $this->primaryInfo['Ignore_DB'] = self::fill($this->primaryStatus, 'Binlog_Ignore_DB');
    }

    /**
     * @return array
     */
    public function getPrimaryInfo(): array
    {
        return $this->primaryInfo;
    }

    private function setReplicaInfo(): void
    {
        $this->replicaInfo = ['status' => false];

        if (count($this->replicaStatus) > 0) {
            $this->replicaInfo['status'] = true;
        }

        if (! $this->replicaInfo['status']) {
            return;
        }

        $this->replicaInfo['Do_DB'] = self::fill($this->replicaStatus, 'Replicate_Do_DB');
        $this->replicaInfo['Ignore_DB'] = self::fill($this->replicaStatus, 'Replicate_Ignore_DB');
        $this->replicaInfo['Do_Table'] = self::fill($this->replicaStatus, 'Replicate_Do_Table');
        $this->replicaInfo['Ignore_Table'] = self::fill($this->replicaStatus, 'Replicate_Ignore_Table');
        $this->replicaInfo['Wild_Do_Table'] = self::fill($this->replicaStatus, 'Replicate_Wild_Do_Table');
        $this->replicaInfo['Wild_Ignore_Table'] = self::fill($this->replicaStatus, 'Replicate_Wild_Ignore_Table');
    }

    /**
     * @return array
     */
    public function getReplicaInfo(): array
    {
        return $this->replicaInfo;
    }
}