/usr/share/phpmyadmin/libraries/classes
Edit: /usr/share/phpmyadmin/libraries/classes/Replication.php (4843B)
tryQuery($action . ' SLAVE ' . $control . ';', $link);
}
/**
* Changes master for replication slave
*
* @param string $user replication user on master
* @param string $password password for the user
* @param string $host master's hostname or IP
* @param int $port port, where mysql is running
* @param array $pos position of mysql replication,
* array should contain fields File and Position
* @param bool $stop shall we stop slave?
* @param bool $start shall we start slave?
* @param int $link mysql link
*
* @return string output of CHANGE MASTER mysql command
*/
public function slaveChangeMaster(
$user,
$password,
$host,
$port,
array $pos,
bool $stop,
bool $start,
int $link
) {
global $dbi;
if ($stop) {
$this->slaveControl('STOP', null, $link);
}
$out = $dbi->tryQuery(
'CHANGE MASTER TO ' .
'MASTER_HOST=\'' . $host . '\',' .
'MASTER_PORT=' . ($port * 1) . ',' .
'MASTER_USER=\'' . $user . '\',' .
'MASTER_PASSWORD=\'' . $password . '\',' .
'MASTER_LOG_FILE=\'' . $pos['File'] . '\',' .
'MASTER_LOG_POS=' . $pos['Position'] . ';',
$link
);
if ($start) {
$this->slaveControl('START', null, $link);
}
return $out;
}
/**
* This function provides connection to remote mysql server
*
* @param string $user mysql username
* @param string $password password for the user
* @param string $host mysql server's hostname or IP
* @param int $port mysql remote port
* @param string $socket path to unix socket
*
* @return mixed mysql link on success
*/
public function connectToMaster(
$user,
$password,
$host = null,
$port = null,
$socket = null
) {
global $dbi;
$server = [];
$server['user'] = $user;
$server['password'] = $password;
$server['host'] = Core::sanitizeMySQLHost($host);
$server['port'] = $port;
$server['socket'] = $socket;
// 5th parameter set to true means that it's an auxiliary connection
// and we must not go back to login page if it fails
return $dbi->connect(DatabaseInterface::CONNECT_AUXILIARY, $server);
}
/**
* Fetches position and file of current binary log on master
*
* @param int $link mysql link
*
* @return array an array containing File and Position in MySQL replication
* on master server, useful for slaveChangeMaster()
*
* @phpstan-return array{'File'?: string, 'Position'?: string}
*/
public function slaveBinLogMaster(int $link): array
{
global $dbi;
$data = $dbi->fetchResult('SHOW MASTER STATUS', null, null, $link);
$output = [];
if (! empty($data)) {
$output['File'] = $data[0]['File'];
$output['Position'] = $data[0]['Position'];
}
return $output;
}
}