getDisplay(); $_SESSION['replication']['sr_action_status'] = 'unknown'; } elseif ($_SESSION['replication']['sr_action_status'] == 'success') { $success_message = $_SESSION['replication']['sr_action_info']; $html .= PMA_Message::success($success_message)->getDisplay(); $_SESSION['replication']['sr_action_status'] = 'unknown'; } } return $html; } /** * returns HTML for master replication * * @return String HTML code */ function PMA_getHtmlForMasterReplication() { $html = ''; if (! isset($_REQUEST['repl_clear_scr'])) { $html .= '
'; $html .= '' . __('Master replication') . ''; $html .= __('This server is configured as master in a replication process.'); $html .= '"; $html .= "
"; } return $html; } /** * returns HTML for master replication configuration * * @return String HTML code */ function PMA_getHtmlForMasterConfiguration() { $html = '
'; $html .= '' . __('Master configuration') . ''; $html .= __( 'This server is not configured as master server in a ' . 'replication process. You can choose from either replicating ' . 'all databases and ignoring certain (useful if you want to replicate ' . 'majority of databases) or you can choose to ignore all databases by ' . 'default and allow only certain databases to be replicated. ' . 'Please select the mode:' ) . '

'; $html .= ''; $html .= '

'; $html .= __('Please select databases:') . '
'; $html .= PMA_getHtmlForReplicationDbMultibox(); $html .= '

'; $html .= __( 'Now, add the following lines at the end of [mysqld] section' . ' in your my.cnf and please restart the MySQL server afterwards.' ). '
'; $html .= '
';
    $html .= __(
        'Once you restarted MySQL server, please click on Go button. '
        . 'Afterwards, you should see a message informing you, that this server'
        . ' is configured as master.'
    );
    $html .= '
';
    $html .= '
';
    $html .= ' 
';
    $html .= PMA_URL_getHiddenInputs('', '');
    $html .= '  ';
    $html .= ' 
';
    $html .= '
';

    return $html;
}

/**
 * returns HTML for slave replication configuration
 *
 * @param bool  $server_slave_status      Whether it is Master or Slave
 * @param Array $server_slave_replication Slave replication
 *
 * @return String HTML code
 */
function PMA_getHtmlForSlaveConfiguration(
    $server_slave_status, $server_slave_replication
) {
    $html  = '
';
    $html .= '' . __('Slave replication') . '';
    if ($server_slave_status) {
        $html .= '
';

        $_url_params = $GLOBALS['url_params'];
        $_url_params['sr_take_action'] = true;
        $_url_params['sr_slave_server_control'] = true;

        if ($server_slave_replication[0]['Slave_IO_Running'] == 'No') {
            $_url_params['sr_slave_action'] = 'start';
        } else {
            $_url_params['sr_slave_action'] = 'stop';
        }

        $_url_params['sr_slave_control_parm'] = 'IO_THREAD';
        $slave_control_io_link = 'server_replication.php'
            . PMA_URL_getCommon($_url_params);

        if ($server_slave_replication[0]['Slave_SQL_Running'] == 'No') {
            $_url_params['sr_slave_action'] = 'start';
        } else {
            $_url_params['sr_slave_action'] = 'stop';
        }

        $_url_params['sr_slave_control_parm'] = 'SQL_THREAD';
        $slave_control_sql_link = 'server_replication.php'
            . PMA_URL_getCommon($_url_params);

        if ($server_slave_replication[0]['Slave_IO_Running'] == 'No'
            || $server_slave_replication[0]['Slave_SQL_Running'] == 'No'
        ) {
            $_url_params['sr_slave_action'] = 'start';
        } else {
            $_url_params['sr_slave_action'] = 'stop';
        }

        $_url_params['sr_slave_control_parm'] = null;
        $slave_control_full_link = 'server_replication.php'
            . PMA_URL_getCommon($_url_params);

        $_url_params['sr_slave_action'] = 'reset';
        $slave_control_reset_link = 'server_replication.php'
            . PMA_URL_getCommon($_url_params);

        $_url_params = $GLOBALS['url_params'];
        $_url_params['sr_slave_skip_error'] = true;
        $slave_skip_error_link = 'server_replication.php'
            . PMA_URL_getCommon($_url_params);

        if ($server_slave_replication[0]['Slave_SQL_Running'] == 'No') {
            $html .= PMA_Message::error(
                __('Slave SQL Thread not running!')
            )->getDisplay();
        }
        if ($server_slave_replication[0]['Slave_IO_Running'] == 'No') {
            $html .= PMA_Message::error(
                __('Slave IO Thread not running!')
            )->getDisplay();
        }

        $_url_params = $GLOBALS['url_params'];
        $_url_params['sl_configure'] = true;
        $_url_params['repl_clear_scr'] = true;

        $reconfiguremaster_link = 'server_replication.php'
            . PMA_URL_getCommon($_url_params);

        $html .= __('Server is configured as slave in a replication process. Would you like to:');
        $html .= '
';
        $html .= '';
        $html .= '
';

    } elseif (! isset($_REQUEST['sl_configure'])) {
        $_url_params = $GLOBALS['url_params'];
        $_url_params['sl_configure'] = true;
        $_url_params['repl_clear_scr'] = true;

        $html .= sprintf(
            __(
                'This server is not configured as slave in a replication process. '
                . 'Would you like to configure it?'
            ),
            'server_replication.php' . PMA_URL_getCommon($_url_params)
        );
    }
    $html .= '
';

    return $html;
}

/**
 * returns HTML for Slave Error Management
 *
 * @param String $slave_skip_error_link error link
 *
 * @return String HTML code
 */
function PMA_getHtmlForSlaveErrorManagement($slave_skip_error_link)
{
    $html  = '';
    $html .= __('Error management:') . '';
    $html .= ' ';
    return $html;
}

/**
 * returns HTML for not configure for a server replication
 *
 * @return String HTML code
 */
function PMA_getHtmlForNotServerReplication()
{
    $_url_params = $GLOBALS['url_params'];
    $_url_params['mr_configure'] = true;

    $html  = '
';
    $html .= '' . __('Master replication') . '';
    $html .= sprintf(
        __(
            'This server is not configured as master in a replication process. '
            . 'Would you like to configure it?'
        ),
        'server_replication.php' . PMA_URL_getCommon($_url_params)
    );
    $html .= '
';
    return $html;
}

/**
 * returns HTML code for selecting databases
 *
 * @return String HTML code
 */
function PMA_getHtmlForReplicationDbMultibox()
{
    $multi_values = '';
    $multi_values .= '';
    $multi_values .= '
';
    $multi_values .= __('Uncheck All') . '';

    return $multi_values;
}

/**
 * returns HTML for changing master
 *
 * @param String $submitname - submit button name
 *
 * @return String HTML code
 */

function PMA_getHtmlForReplicationChangeMaster($submitname)
{
    $html = '';
    list($username_length, $hostname_length)
        = PMA_replicationGetUsernameHostnameLength();

    $html .= '
';
    $html .= PMA_URL_getHiddenInputs('', '');
    $html .= ' 
';
    $html .= '  ' . __('Slave configuration');
    $html .= ' - ' . __('Change or reconfigure master server') . '';
    $html .= __(
        'Make sure, you have unique server-id in your configuration file (my.cnf). '
        . 'If not, please add the following line into [mysqld] section:'
    );
    $html .= '
';
    $html .= '
server-id=' . time() . '
';

    $html .= PMA_getHtmlForAddUserInputDiv(
        array('text'=>__('User name:'), 'for'=>"text_username"),
        array(
            'type'=>'text',
            'name'=>'username',
            'id'=>'text_username',
            'maxlength'=>$username_length,
            'title'=>__('User name'),
            'required'=>'required'
        )
    );

    $html .= PMA_getHtmlForAddUserInputDiv(
        array('text'=>__('Password:'), 'for'=>"text_pma_pw"),
        array(
            'type'=>'password',
            'name'=>'pma_pw',
            'id'=>'text_pma_pw',
            'title'=>__('Password'),
            'required'=>'required'
        )
    );

    $html .= PMA_getHtmlForAddUserInputDiv(
        array('text'=>__('Host:'), 'for'=>"text_hostname"),
        array(
            'type'=>'text',
            'name'=>'hostname',
            'id'=>'text_hostname',
            'maxlength'=>$hostname_length,
            'value'=>'',
            'required'=>'required'
        )
    );

    $html .= PMA_getHtmlForAddUserInputDiv(
        array('text'=>__('Port:'), 'for'=>"text_port"),
        array(
            'type'=>'number',
            'name'=>'text_port',
            'id'=>'text_port',
            'maxlength'=>6,
            'value'=>'3306',
            'required'=>'required'
         )
    );

    $html .= ' 
';
    $html .= ' ';
    $html .= '
';

    return $html;
}

/**
 * returns HTML code for Add user input div
 *
 * @param Array $label_array label tag elements
 * @param Array $input_array input tag elements
 *
 * @return String HTML code
 */
function PMA_getHtmlForAddUserInputDiv($label_array, $input_array)
{
    $html  = '  
';
    $html .= '     ';

    $html .= '    $value) {
        $html .= ' ' . $key . '="' . $value. '" ';
    }
    $html .= ' />';
    $html .= '  
';
    return $html;
}

/**
 * This function returns html code for table with replication status.
 *
 * @param string  $type   either master or slave
 * @param boolean $hidden if true, then default style is set to hidden,
 *                        default value false
 * @param boolean $title  if true, then title is displayed, default true
 *
 * @return String HTML code
 */
function PMA_getHtmlForReplicationStatusTable($type, $hidden = false, $title = true)
{
    global ${"{$type}_variables"};
    global ${"{$type}_variables_alerts"};
    global ${"{$type}_variables_oks"};
    global ${"server_{$type}_replication"};
    global ${"strReplicationStatus_{$type}"};

    $html = '';

    // TODO check the Masters server id?
    // seems to default to '1' when queried via SHOW VARIABLES ,
    // but resulted in error on the master when slave connects
    // [ERROR] Error reading packet from server: Misconfigured master
    // - server id was not set ( server_errno=1236)
    // [ERROR] Got fatal error 1236: 'Misconfigured master
    // - server id was not set' from master when reading data from binary log
    //
    //$server_id = $GLOBALS['dbi']->fetchValue(
    //    "SHOW VARIABLES LIKE 'server_id'", 0, 1
    //);

    $html .= '
 ';

    if ($title) {
        if ($type == 'master') {
            $html .= '
';
            $html .= __('Master status') . '
';
        } else {
            $html .= '
';
            $html .= __('Slave status') . '
';
        }
    } else {
        $html .= '
';
    }

    $html .= '    ';
    $html .= '   ';
    $html .= '    ';
    $html .= '     ';
    $html .= '        ';
    $html .= '    ';
    $html .= '   ';
    $html .= '   ';

    $odd_row = true;
    foreach (${"{$type}_variables"} as $variable) {
        $html .= '   ';
        $html .= '     ';
        $html .= '     ';
        $html .= ' ';

        $odd_row = ! $odd_row;
    }

    $html .= '   ';
    $html .= ' 
' . __('Variable') . '' . __('Value') . '
';
        $html .=        $variable;
        $html .= '     ';


        // TODO change to regexp or something, to allow for negative match
        if (isset(${"{$type}_variables_alerts"}[$variable])
            && ${"{$type}_variables_alerts"}[$variable] == ${"server_{$type}_replication"}[0][$variable]
        ) {
            $html .= '';

        } elseif (isset(${"{$type}_variables_oks"}[$variable])
            && ${"{$type}_variables_oks"}[$variable]
            == ${"server_{$type}_replication"}[0][$variable]
        ) {
            $html .= '';
        } else {
            $html .= '';
        }
        // allow wrapping long table lists into multiple lines
        static $variables_wrap = array(
            'Replicate_Do_DB', 'Replicate_Ignore_DB',
            'Replicate_Do_Table', 'Replicate_Ignore_Table',
            'Replicate_Wild_Do_Table', 'Replicate_Wild_Ignore_Table');
        if (in_array($variable, $variables_wrap)) {
            $html .= str_replace(
                ',',
                ', ',
                ${"server_{$type}_replication"}[0][$variable]
            );
        } else {
            $html .= ${"server_{$type}_replication"}[0][$variable];
        }
        $html .= '';

        $html .= '  
';
    $html .= ' 
';
    $html .= '
';

    return $html;
}

/**
 * returns html code for table with slave users connected to this master
 *
 * @param boolean $hidden - if true, then default style is set to hidden,
 *                        - default value false
 *
 * @return string
 */
function PMA_getHtmlForReplicationSlavesTable($hidden = false)
{
    $html = '';
    // Fetch data
    $data = $GLOBALS['dbi']->fetchResult('SHOW SLAVE HOSTS', null, null);

    $html .= '  
';
    $html .= '  
 ';
    $html .= '    ';
    $html .= '    ';
    $html .= '      ';
    $html .= '        ';
    $html .= '        ';
    $html .= '      ';
    $html .= '    ';
    $html .= '    ';

    $odd_row = true;
    foreach ($data as $slave) {
        $html .= '    ';
        $html .= '      ';
        $html .= '      ';
        $html .= '    ';

        $odd_row = ! $odd_row;
    }

    $html .= '    ';
    $html .= '    
' . __('Server ID') . '' . __('Host') . '
' . $slave['Server_id'] . '' . $slave['Host'] . '
';
    $html .= '    
';
    $html .= PMA_Message::notice(
        __(
            'Only slaves started with the '
            . '--report-host=host_name option are visible in this list.'
        )
    )->getDisplay();
    $html .= '    
';
    $html .= '  
';

    return $html;
}

/**
 * get the correct username and hostname lengths for this MySQL server
 *
 * @return array   username length, hostname length
 */

function PMA_replicationGetUsernameHostnameLength()
{
    $fields_info = $GLOBALS['dbi']->getColumns('mysql', 'user');
    $username_length = 16;
    $hostname_length = 41;
    foreach ($fields_info as $val) {
        if ($val['Field'] == 'User') {
            strtok($val['Type'], '()');
            $v = strtok('()');
            if (is_int($v)) {
                $username_length = $v;
            }
        } elseif ($val['Field'] == 'Host') {
            strtok($val['Type'], '()');
            $v = strtok('()');
            if (is_int($v)) {
                $hostname_length = $v;
            }
        }
    }
    return array($username_length, $hostname_length);
}

/**
 * returns html code to add a replication slave user to the master
 *
 * @return String HTML code
 */
function PMA_getHtmlForReplicationMasterAddSlaveuser()
{
    $html = '';
    list($username_length, $hostname_length)
        = PMA_replicationGetUsernameHostnameLength();

    if (isset($_REQUEST['username']) && strlen($_REQUEST['username']) === 0) {
        $GLOBALS['pred_username'] = 'any';
    }
    $html .= '
';
    $html .= '
' . __('Add slave replication user') . ''
        . PMA_getHtmlForAddUserLoginForm($username_length)
        . '
'
        . ''
        . ''
        . '    '
        . ''
        . ''
        . ' '
        . ''
        . '
'
        . ''
        . ''
        . '    '
        . ''
        . ''
        . '
';

    return $html;
}

/**
 * returns HTML for TableInfoForm
 *
 * @param int $hostname_length Selected hostname length
 *
 * @return String HTML code
 */
function PMA_getHtmlForTableInfoForm($hostname_length)
{
    $html = '        '
        . '        '
        . '    '
        . ''
        . ''
        . PMA_Util::showHint(
            __(
                'When Host table is used, this field is ignored '
                . 'and values stored in Host table are used instead.'
            )
        )
        . '
'
        . '
'
        . ''
        . ''
        . '    '
        . ''
        . ''
        . '
'
        . '
'
        . ''
        . ' '
        . ''
        . '
'
        . '
'
        . ''
        . ''
        . '    '
        . ''
        . ''
        . '
'
        . '';
    $html .= '';
    return $html;
}

/**
 * handle control requests
 *
 * @return NULL
 */
function PMA_handleControlRequest()
{
    if (isset($_REQUEST['sr_take_action'])) {
        $refresh = false;
        $result = null;
        $messageSuccess = null;
        $messageError = null;

        if (isset($_REQUEST['slave_changemaster'])) {
            $result = PMA_handleRequestForSlaveChangeMaster();
        } elseif (isset($_REQUEST['sr_slave_server_control'])) {
            $result = PMA_handleRequestForSlaveServerControl();
            $refresh = true;

            switch ($_REQUEST['sr_slave_action']) {
                case 'start':
                    $messageSuccess = __('Replication started successfully.');
                    $messageError = __('Error starting replication.');
                    break;

                case 'stop':
                    $messageSuccess = __('Replication stopped successfully.');
                    $messageError = __('Error stopping replication.');
                    break;

                case 'reset':
                    $messageSuccess = __('Replication resetting successfully.');
                    $messageError = __('Error resetting replication.');
                    break;

                default:
                    $messageSuccess = __('Success.');
                    $messageError = __('Error.');
                    break;
            }
        } elseif (isset($_REQUEST['sr_slave_skip_error'])) {
            $result = PMA_handleRequestForSlaveSkipError();
        }

        if ($refresh) {
            $response = PMA_Response::getInstance();
            if ($response->isAjax()) {
                $response->isSuccess($result);
                $response->addJSON(
                    'message',
                    $result ? PMA_Message::success($messageSuccess) : PMA_Message::error($messageError)
                );
            } else {
                PMA_sendHeaderLocation(
                    $GLOBALS['cfg']['PmaAbsoluteUri'] . 'server_replication.php'
                    . PMA_URL_getCommon($GLOBALS['url_params'], '&')
                );
            }
        }
        unset($refresh);
    }
}
/**
 * handle control requests for Slave Change Master
 *
 * @return boolean
 */
function PMA_handleRequestForSlaveChangeMaster()
{
    $_SESSION['replication']['m_username'] = $sr['username']
        = PMA_Util::sqlAddSlashes($_REQUEST['username']);
    $_SESSION['replication']['m_password'] = $sr['pma_pw']
        = PMA_Util::sqlAddSlashes($_REQUEST['pma_pw']);
    $_SESSION['replication']['m_hostname'] = $sr['hostname']
        = PMA_Util::sqlAddSlashes($_REQUEST['hostname']);
    $_SESSION['replication']['m_port']     = $sr['port']
        = PMA_Util::sqlAddSlashes($_REQUEST['port']);
    $_SESSION['replication']['m_correct']  = '';
    $_SESSION['replication']['sr_action_status'] = 'error';
    $_SESSION['replication']['sr_action_info'] = __('Unknown error');

    // Attempt to connect to the new master server
    $link_to_master = PMA_Replication_connectToMaster(
        $sr['username'], $sr['pma_pw'], $sr['hostname'], $sr['port']
    );

    if (! $link_to_master) {
        $_SESSION['replication']['sr_action_status'] = 'error';
        $_SESSION['replication']['sr_action_info'] = sprintf(
            __('Unable to connect to master %s.'),
            htmlspecialchars($sr['hostname'])
        );
    } else {
        // Read the current master position
        $position = PMA_Replication_Slave_binLogMaster($link_to_master);

        if (empty($position)) {
            $_SESSION['replication']['sr_action_status'] = 'error';
            $_SESSION['replication']['sr_action_info']
                = __(
                    'Unable to read master log position. '
                    . 'Possible privilege problem on master.'
                );
        } else {
            $_SESSION['replication']['m_correct']  = true;

            if (! PMA_Replication_Slave_changeMaster(
                $sr['username'],
                $sr['pma_pw'],
                $sr['hostname'],
                $sr['port'],
                $position,
                true,
                false
            )
            ) {
                $_SESSION['replication']['sr_action_status'] = 'error';
                $_SESSION['replication']['sr_action_info']
                    = __('Unable to change master');
            } else {
                $_SESSION['replication']['sr_action_status'] = 'success';
                $_SESSION['replication']['sr_action_info'] = sprintf(
                    __('Master server changed successfully to %s'),
                    htmlspecialchars($sr['hostname'])
                );
            }
        }
    }

    return $_SESSION['replication']['sr_action_status'] === 'success';
}

/**
 * handle control requests for Slave Server Control
 *
 * @return boolean
 */
function PMA_handleRequestForSlaveServerControl()
{
    if (empty($_REQUEST['sr_slave_control_parm'])) {
        $_REQUEST['sr_slave_control_parm'] = null;
    }
    if ($_REQUEST['sr_slave_action'] == 'reset') {
        $qStop = PMA_Replication_Slave_control("STOP");
        $qReset = $GLOBALS['dbi']->tryQuery("RESET SLAVE;");
        $qStart = PMA_Replication_Slave_control("START");

        $result = ($qStop !== false && $qStop !== -1 &&
            $qReset !== false && $qReset !== -1 &&
            $qStart !== false && $qStart !== -1);
    } else {
        $qControl = PMA_Replication_Slave_control(
            $_REQUEST['sr_slave_action'],
            $_REQUEST['sr_slave_control_parm']
        );

        $result = ($qControl !== false && $qControl !== -1);
    }

    return $result;
}

/**
 * handle control requests for Slave Skip Error
 *
 * @return boolean
 */
function PMA_handleRequestForSlaveSkipError()
{
    $count = 1;
    if (isset($_REQUEST['sr_skip_errors_count'])) {
        $count = $_REQUEST['sr_skip_errors_count'] * 1;
    }

    $qStop = PMA_Replication_Slave_control("STOP");
    $qSkip = $GLOBALS['dbi']->tryQuery("SET GLOBAL SQL_SLAVE_SKIP_COUNTER = ".$count.";");
    $qStart = PMA_Replication_Slave_control("START");

    $result = ($qStop !== false && $qStop !== -1 &&
        $qSkip !== false && $qSkip !== -1 &&
        $qStart !== false && $qStart !== -1);

    return $result;
}
?>