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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
*
* @version $Id$
* @package phpMyAdmin
*/

/**
*
*/
require_once './libraries/common.inc.php';

/**
* Does the common work
*/
$GLOBALS['js_include'][] = 'server_privileges.js';
$GLOBALS['js_include'][] = 'functions.js';
$GLOBALS['js_include'][] = 'mootools.js';
$GLOBALS['js_include'][] = 'mootools_common.js';

require './libraries/server_common.inc.php';
require './libraries/replication.inc.php';
require './libraries/replication_gui.lib.php';
require_once './libraries/server_synchronize.lib.php';

/**
* Checks if the user is allowed to do what he tries to...
*/
if (! $is_superuser) {
    require './libraries/server_links.inc.php';
    echo '<h2>' . "\n"
        . PMA_getIcon('s_replication.png')
        . $GLOBALS['strReplication'] . "\n"
        . '</h2>' . "\n";
    PMA_Message::error('strNoPrivileges')->display();
    require_once './libraries/footer.inc.php';
}

/**
* Handling control requests
*/

if (isset($GLOBALS['sr_take_action'])) {
    $refresh = false;
    if (isset($GLOBALS['slave_changemaster'])) {
        $_SESSION['replication']['m_username'] = $sr['username'] = PMA_sqlAddslashes($GLOBALS['username']);
        $_SESSION['replication']['m_password'] = $sr['pma_pw'] = PMA_sqlAddslashes($GLOBALS['pma_pw']);
        $_SESSION['replication']['m_hostname'] = $sr['hostname'] = PMA_sqlAddslashes($GLOBALS['hostname']);
        $_SESSION['replication']['m_port'] = $sr['port'] = PMA_sqlAddslashes($GLOBALS['port']);
        $_SESSION['replication']['m_correct'] = '';
        $_SESSION['replication']['sr_action_status'] = 'error';
        $_SESSION['replication']['sr_action_info'] = $strReplicationUnknownError;
        // Attempt to connect to the new master server
        $link_to_master = PMA_replication_connect_to_master($sr['username'], $sr['pma_pw'], $sr['hostname'], $sr['port']);

        if (! $link_to_master) {
            $_SESSION['replication']['sr_action_status'] = 'error';
            $_SESSION['replication']['sr_action_info'] = sprintf($GLOBALS['strReplicationErrorMasterConnect'], $sr['hostname']);
        } else {
            // Read the current master position
            $position = PMA_replication_slave_bin_log_master($link_to_master);

            if (empty($position)) {
                $_SESSION['replication']['sr_action_status'] = 'error';
                $_SESSION['replication']['sr_action_info'] = $GLOBALS['strReplicationErrorGetPosition'];
            } else {
                $_SESSION['replication']['m_correct'] = true;

                if (! PMA_replication_slave_change_master($sr['username'], $sr['pma_pw'], $sr['hostname'], $sr['port'], $position, true, false)) {
                    $_SESSION['replication']['sr_action_status'] = 'error';
                    $_SESSION['replication']['sr_action_info'] = $GLOBALS['strReplicationUnableToChange'];
                } else {
                    $_SESSION['replication']['sr_action_status'] = 'success';
                    $_SESSION['replication']['sr_action_info'] = sprintf($GLOBALS['strReplicationChangedSuccesfully'], $sr['hostname']);
                }
            }
        }
    } elseif (isset($GLOBALS['sr_slave_server_control'])) {
        if ($GLOBALS['sr_slave_action'] == 'reset') {
            PMA_replication_slave_control("STOP");
            PMA_DBI_try_query("RESET SLAVE;");
            PMA_replication_slave_control("START");
        } else {
            PMA_replication_slave_control($GLOBALS['sr_slave_action'], $GLOBALS['sr_slave_control_parm']);
        }
        $refresh = true;

    } elseif (isset($GLOBALS['sr_slave_skip_error'])) {
        $count = 1;
        if (isset($GLOBALS['sr_skip_errors_count'])) {
            $count = $GLOBALS['sr_skip_errors_count'] * 1;
        }
        PMA_replication_slave_control("STOP");
        PMA_DBI_try_query("SET GLOBAL SQL_SLAVE_SKIP_COUNTER = ".$count.";");
        PMA_replication_slave_control("START");

    } elseif (isset($GLOBALS['sl_sync'])) {
        // TODO username, host and port could be read from 'show slave status',
        // when asked for a password this might work in more situations the just after changing master (where the master password is stored in session)
        $src_link = PMA_replication_connect_to_master($_SESSION['replication']['m_username'], $_SESSION['replication']['m_password'], $_SESSION['replication']['m_hostname'], $_SESSION['replication']['m_port']);
        $trg_link = null; // using null to indicate the current PMA server

        $data = PMA_DBI_fetch_result('SHOW MASTER STATUS', null, null, $src_link); // let's find out, which databases are replicated

        $do_db = array();
        $ignore_db = array();
        $dblist = array();

        if (! empty($data[0]['Binlog_Do_DB'])) {
            $do_db = explode(',', $data[0]['Binlog_Do_DB']);
        }
        if (! empty($data[0]['Binlog_Ignore_DB'])) {
            $ignore_db = explode(',', $data[0]['Binlog_Ignore_DB']);
        }

        $tmp_alldbs = PMA_DBI_query('SHOW DATABASES;', $src_link);
        while ($tmp_row = PMA_DBI_fetch_row($tmp_alldbs)) {
            if ($tmp_row[0] == 'information_schema') {
                continue;
            }
            if (count($do_db) == 0) {
                if (array_search($tmp_row[0], $ignore_db) !== false) {
                    continue;
                }
                $dblist[] = $tmp_row[0];

                PMA_DBI_query('CREATE DATABASE IF NOT EXISTS '.$tmp_row[0], $trg_link);
            } else {
                if (array_search($tmp_row[0], $do_db) !== false) {
                    $dblist[] = $tmp_row[0];
                    PMA_DBI_query('CREATE DATABASE IF NOT EXISTS '.$tmp_row[0], $trg_link);
                }
            }
        } // end while

        unset($do_db, $ignore_db, $data);

        if (isset($GLOBALS['repl_data'])) {
            $include_data = true;
        } else {
            $include_data = false;
        }
        foreach ($dblist as $db) {
            PMA_replication_synchronize_db($db, $src_link, $trg_link, $include_data);
        }
        // TODO some form of user feedback error/success would be nice
        // What happens if $dblist is empty?
        // or sync failed?
    }

    if ($refresh) {
        Header("Location: ". PMA_generate_common_url($GLOBALS['url_params']));
    }
    unset($refresh);
}
/**
* Displays the links
*/
require './libraries/server_links.inc.php';

echo '<div id="replication">';
echo ' <h2>';
echo ' <img class="icon" src="' . $GLOBALS['pmaThemeImage'] . 's_replication.png" width="16" height="16" alt="" />';
echo $GLOBALS['strReplication'];
echo ' </h2>';

// Display error messages
if (isset($_SESSION['replication']['sr_action_status']) && isset($_SESSION['replication']['sr_action_info'])) {
    if ($_SESSION['replication']['sr_action_status'] == 'error') {
        PMA_Message::error($_SESSION['replication']['sr_action_info'])->display();
        $_SESSION['replication']['sr_action_status'] = 'unknown';
    } elseif ($_SESSION['replication']['sr_action_status'] == 'success') {
        PMA_Message::success($_SESSION['replication']['sr_action_info'])->display();
        $_SESSION['replication']['sr_action_status'] = 'unknown';
    }
}

if ($server_master_status) {
    if (! isset($GLOBALS['repl_clear_scr'])) {
        echo PMA_js_mootools_domready($jscode['master_replication']);
        echo '<fieldset>';
        echo '<legend>' . $GLOBALS['strReplicationMaster'] . '</legend>';
        echo $GLOBALS['strReplicationConfiguredMaster'];
        echo '<ul>';
        echo ' <li><a href="#" id="master_status_href">' . $GLOBALS['strReplicationShowMasterStatus'] . '</a></li>';
        PMA_replication_print_status_table('master', true, false);

        echo ' <li><a href="#" id="master_slaves_href">' . $GLOBALS['strReplicationShowConnectedSlaves'] . '</a></li>';
        PMA_replication_print_slaves_table(true);

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

        echo ' <li><a href="' . PMA_generate_common_url($_url_params) . '" id="master_addslaveuser_href">' . $GLOBALS['strReplicationAddSlaveUser'] . '</a></li>';
    }

    // Display 'Add replication slave user' form
    if (isset($GLOBALS['mr_adduser'])) {
        PMA_replication_gui_master_addslaveuser();
    } elseif (! isset($GLOBALS['repl_clear_scr'])) {
        echo "</ul>";
        echo "</fieldset>";
    }
} elseif (! isset($GLOBALS['mr_configure']) && ! isset($GLOBALS['repl_clear_scr'])) {
    $_url_params = $GLOBALS['url_params'];
    $_url_params['mr_configure'] = true;

    echo '<fieldset>';
    echo '<legend>' . $GLOBALS['strReplicationMaster'] . '</legend>';
    echo sprintf($GLOBALS['strReplicationServernConfiguredMaster'], PMA_generate_common_url($_url_params));
    echo '</fieldset>';
}

if (isset($GLOBALS['mr_configure'])) {
    // Render the 'Master configuration' section
    echo PMA_js_mootools_domready($jscode['configure_master']);
    echo '<fieldset>';
    echo '<legend>' . $GLOBALS['strReplicationMasterConfiguration'] . '</legend>';
    echo $GLOBALS['strReplicationMasterChooseMode'] . '<br /><br />';

    echo '<select name="db_type" id="db_type">';
    echo '<option value="all">' . $GLOBALS['strReplicationMasterChooseAll'] . '</option>';
    echo '<option value="ign">' . $GLOBALS['strReplicationMasterChooseIgn'] . '</option>';
    echo '</select>';
    echo '<br /><br />';
    echo $GLOBALS['strReplicationSelectDatabases'] . '<br />';
    echo PMA_replication_db_multibox();
    echo '<br /><br />';
    echo $GLOBALS['strReplicationAddLines'] . '<br />';
    echo '<pre id="rep">server-id='. $serverid . '<br />log-bin=mysql-bin<br />log-error=mysql-bin.err<br /></pre>';
    echo $GLOBALS['strReplicationRestartServer'];
    echo '</fieldset>';
    echo '<fieldset class="tblFooters">';
    echo ' <form method="post" action="server_replication.php" >';
    echo PMA_generate_common_hidden_inputs('', '');
    echo ' <input type="submit" value="' . $GLOBALS['strGo'] . '" id="goButton" />';
    echo ' </form>';
    echo '</fieldset>';

    require_once './libraries/footer.inc.php';
    exit;
}

echo '</div>';

if (! isset($GLOBALS['repl_clear_scr'])) {
    // Render the 'Slave configuration' section
    echo '<fieldset>';
    echo '<legend>' . $GLOBALS['strReplicationSlave'] . '</legend>';
    if ($server_slave_status) {
        echo PMA_js_mootools_domready($jscode['slave_control']);
        echo '<div id="slave_configuration_gui">';

        $_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';
        $slave_control_io_link = PMA_generate_common_url($_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';
        $slave_control_sql_link = PMA_generate_common_url($_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;
        $slave_control_full_link = PMA_generate_common_url($_url_params);

        $_url_params['sr_slave_action'] = 'reset';
        $slave_control_reset_link = PMA_generate_common_url($_url_params);

        $_url_params = $GLOBALS['url_params'];
        $_url_params['sr_slave_skip_error'] = true;
        $slave_skip_error_link = PMA_generate_common_url($_url_params);

        if ($server_slave_replication[0]['Slave_SQL_Running'] == 'No') {
            PMA_Message::warning('strReplicationSlaveSQLThreadNotRunning')->display();
        }
        if ($server_slave_replication[0]['Slave_IO_Running'] == 'No') {
            PMA_Message::warning('strReplicationSlaveIOThreadNotRunning')->display();
        }
        $_url_params = $GLOBALS['url_params'];
        $_url_params['sl_configure'] = true;
        $_url_params['repl_clear_scr'] = true;

        $reconfiguremaster_link = PMA_generate_common_url($_url_params);

        echo $GLOBALS['strReplicationSlaveConfigured'];
        echo '<br />';
        echo '<ul>';
        echo ' <li><a href="#" id="slave_status_href">' . $GLOBALS['strReplicationSlaveSeeStatus'] . '</a></li>';
        echo PMA_replication_print_status_table('slave', true, false);
        if (isset($_SESSION['replication']['m_correct']) && $_SESSION['replication']['m_correct'] == true) {
            echo PMA_js_mootools_domready($jscode['slave_control_sync']);
            echo ' <li><a href="#" id="slave_synchronization_href">' . $GLOBALS['strReplicationSynchronize'] . '</a></li>';
            echo ' <div id="slave_synchronization_gui" style="display: none">';
            echo ' <form method="post" action="server_replication.php">';
            echo PMA_generate_common_hidden_inputs('', '');
            echo ' <input type="checkbox" name="repl_struc" value="1" checked="checked" disabled="disabled" /> ' . $GLOBALS['strStructure'] . '<br />'; // this is just for vizualization, it has no other purpose
            echo ' <input type="checkbox" name="repl_data" value="1" checked="checked" /> ' . $GLOBALS['strData'] .' <br />';
            echo ' <input type="hidden" name="sr_take_action" value="1" />';
            echo ' <input type="submit" name="sl_sync" value="' . $GLOBALS['strGo'] . '" />';
            echo ' </form>';
            echo ' </div>';
        }
        echo ' <li><a href="#" id="slave_control_href">' . $GLOBALS['strReplicationControlSlave'] . '</a>';
        echo ' <div id="slave_control_gui" style="display: none">';
        echo ' <ul>';
        echo ' <li><a href="'. $slave_control_full_link . '">' . (($server_slave_replication[0]['Slave_IO_Running'] == 'No' || $server_slave_replication[0]['Slave_SQL_Running'] == 'No') ? $GLOBALS['strFullStart'] : $GLOBALS['strFullStop']) . ' </a></li>';
        echo ' <li><a href="'. $slave_control_reset_link . '">' . $GLOBALS['strReplicationSlaveReset'] . '</a></li>';
        echo ' <li><a href="' . $slave_control_sql_link . '">' . sprintf($GLOBALS['strReplicationSlaveSQLThread'], ($server_slave_replication[0]['Slave_SQL_Running'] == 'No' ? $GLOBALS['strStart'] : $GLOBALS['strStop'])) . '</a></li>';
        echo ' <li><a href="' . $slave_control_io_link . '">' . sprintf($GLOBALS['strReplicationSlaveIOThread'], ($server_slave_replication[0]['Slave_IO_Running'] == 'No' ? $GLOBALS['strStart'] : $GLOBALS['strStop'])) . '</a></li>';
        echo ' </ul>';
        echo ' </div>';
        echo ' </li>';
        echo ' <li><a href="#" id="slave_errormanagement_href">' . $GLOBALS['strReplicationSlaveErrorManagement'] . '</a>';
        echo ' <div id="slave_errormanagement_gui" style="display: none">';
        PMA_Message::warning($GLOBALS['strReplicationSkippingErrorWarn'])->display();
        echo ' <ul>';
        echo ' <li><a href="' . $slave_skip_error_link . '">' . $GLOBALS['strReplicationSlaveSkipCurrentError'] . '</a></li>';
        echo ' <li>' . $GLOBALS['strReplicationSlaveSkipNext'];
        echo ' <form method="post" action="server_replication.php">';
        echo PMA_generate_common_hidden_inputs('', '');
        echo ' <input type="text" name="sr_skip_errors_count" value="1" style="width: 30px" />' . $GLOBALS['strReplicationSlaveSkipNextErrors'];
        echo ' <input type="submit" name="sr_slave_skip_error" value="' . $GLOBALS['strGo'] . '" />';
        echo ' <input type="hidden" name="sr_take_action" value="1" />';
        echo ' </form></li>';
        echo ' </ul>';
        echo ' </div>';
        echo ' </li>';
        echo ' <li><a href="' . $reconfiguremaster_link . '">' . $GLOBALS['strReplicationSlaveChangeMaster'] . '</a></li>';
        echo '</ul>';

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

        echo sprintf($GLOBALS['strReplicationSlaveNotConfigured'], PMA_generate_common_url($_url_params));
    }
    echo '</div>';
    echo '</fieldset>';
}
if (isset($GLOBALS['sl_configure'])) {
    PMA_replication_gui_changemaster("slave_changemaster");
}
require_once './libraries/footer.inc.php';
?>
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