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coderkun 2015-04-27 16:42:05 +02:00
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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Plugins\DBStats;
use Piwik\Common;
use Piwik\DataTable;
use Piwik\Piwik;
/**
* @see plugins/DBStats/MySQLMetadataProvider.php
*/
require_once PIWIK_INCLUDE_PATH . '/plugins/DBStats/MySQLMetadataProvider.php';
/**
* DBStats API is used to request the overall status of the Mysql tables in use by Piwik.
*
* @method static \Piwik\Plugins\DBStats\API getInstance()
*/
class API extends \Piwik\Plugin\API
{
/**
* The MySQLMetadataProvider instance that fetches table/db status information.
*/
private $metadataProvider;
/**
* Constructor.
*/
protected function __construct()
{
$this->metadataProvider = new MySQLMetadataProvider();
}
/**
* Gets some general information about this Piwik installation, including the count of
* websites tracked, the count of users and the total space used by the database.
*
* @return array Contains the website count, user count and total space used by the database.
*/
public function getGeneralInformation()
{
Piwik::checkUserHasSuperUserAccess();
// calculate total size
$totalSpaceUsed = 0;
foreach ($this->metadataProvider->getAllTablesStatus() as $status) {
$totalSpaceUsed += $status['Data_length'] + $status['Index_length'];
}
$siteTableStatus = $this->metadataProvider->getTableStatus('site');
$userTableStatus = $this->metadataProvider->getTableStatus('user');
$siteCount = $siteTableStatus['Rows'];
$userCount = $userTableStatus['Rows'];
return array($siteCount, $userCount, $totalSpaceUsed);
}
/**
* Gets general database info that is not specific to any table.
*
* @return array See http://dev.mysql.com/doc/refman/5.1/en/show-status.html .
*/
public function getDBStatus()
{
Piwik::checkUserHasSuperUserAccess();
return $this->metadataProvider->getDBStatus();
}
/**
* Returns a datatable summarizing how data is distributed among Piwik tables.
*
* This function will group tracker tables, numeric archive tables, blob archive tables
* and other tables together so only four rows are shown.
*
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getDatabaseUsageSummary()
{
Piwik::checkUserHasSuperUserAccess();
$emptyRow = array('data_size' => 0, 'index_size' => 0, 'row_count' => 0);
$rows = array(
'tracker_data' => $emptyRow,
'metric_data' => $emptyRow,
'report_data' => $emptyRow,
'other_data' => $emptyRow
);
foreach ($this->metadataProvider->getAllTablesStatus() as $status) {
if ($this->isNumericArchiveTable($status['Name'])) {
$rowToAddTo = & $rows['metric_data'];
} else if ($this->isBlobArchiveTable($status['Name'])) {
$rowToAddTo = & $rows['report_data'];
} else if ($this->isTrackerTable($status['Name'])) {
$rowToAddTo = & $rows['tracker_data'];
} else {
$rowToAddTo = & $rows['other_data'];
}
$rowToAddTo['data_size'] += $status['Data_length'];
$rowToAddTo['index_size'] += $status['Index_length'];
$rowToAddTo['row_count'] += $status['Rows'];
}
return DataTable::makeFromIndexedArray($rows);
}
/**
* Returns a datatable describing how much space is taken up by each log table.
*
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getTrackerDataSummary()
{
Piwik::checkUserHasSuperUserAccess();
return $this->getTablesSummary($this->metadataProvider->getAllLogTableStatus());
}
/**
* Returns a datatable describing how much space is taken up by each numeric
* archive table.
*
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getMetricDataSummary()
{
Piwik::checkUserHasSuperUserAccess();
return $this->getTablesSummary($this->metadataProvider->getAllNumericArchiveStatus());
}
/**
* Returns a datatable describing how much space is taken up by each numeric
* archive table, grouped by year.
*
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getMetricDataSummaryByYear()
{
Piwik::checkUserHasSuperUserAccess();
$dataTable = $this->getMetricDataSummary();
$dataTable->filter('GroupBy', array('label', __NAMESPACE__ . '\API::getArchiveTableYear'));
return $dataTable;
}
/**
* Returns a datatable describing how much space is taken up by each blob
* archive table.
*
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getReportDataSummary()
{
Piwik::checkUserHasSuperUserAccess();
return $this->getTablesSummary($this->metadataProvider->getAllBlobArchiveStatus());
}
/**
* Returns a datatable describing how much space is taken up by each blob
* archive table, grouped by year.
*
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getReportDataSummaryByYear()
{
Piwik::checkUserHasSuperUserAccess();
$dataTable = $this->getReportDataSummary();
$dataTable->filter('GroupBy', array('label', __NAMESPACE__ . '\API::getArchiveTableYear'));
return $dataTable;
}
/**
* Returns a datatable describing how much space is taken up by 'admin' tables.
*
* An 'admin' table is a table that is not central to analytics functionality.
* So any table that isn't an archive table or a log table is an 'admin' table.
*
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getAdminDataSummary()
{
Piwik::checkUserHasSuperUserAccess();
return $this->getTablesSummary($this->metadataProvider->getAllAdminTableStatus());
}
/**
* Returns a datatable describing how much total space is taken up by each
* individual report type.
*
* Goal reports and reports of the format .*_[0-9]+ are grouped together.
*
* @param bool $forceCache false to use the cached result, true to run the queries again and
* cache the result.
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getIndividualReportsSummary($forceCache = false)
{
Piwik::checkUserHasSuperUserAccess();
return $this->metadataProvider->getRowCountsAndSizeByBlobName($forceCache);
}
/**
* Returns a datatable describing how much total space is taken up by each
* individual metric type.
*
* Goal metrics, metrics of the format .*_[0-9]+ and 'done...' metrics are grouped together.
*
* @param bool $forceCache false to use the cached result, true to run the queries again and
* cache the result.
* @return DataTable A datatable with three columns: 'data_size', 'index_size', 'row_count'.
*/
public function getIndividualMetricsSummary($forceCache = false)
{
Piwik::checkUserHasSuperUserAccess();
return $this->metadataProvider->getRowCountsAndSizeByMetricName($forceCache);
}
/**
* Returns a datatable representation of a set of table statuses.
*
* @param array $statuses The table statuses to summarize.
* @return DataTable
*/
private function getTablesSummary($statuses)
{
$dataTable = new DataTable();
foreach ($statuses as $status) {
$dataTable->addRowFromSimpleArray(array(
'label' => $status['Name'],
'data_size' => $status['Data_length'],
'index_size' => $status['Index_length'],
'row_count' => $status['Rows']
));
}
return $dataTable;
}
/** Returns true if $name is the name of a numeric archive table, false if otherwise. */
private function isNumericArchiveTable($name)
{
return strpos($name, Common::prefixTable('archive_numeric_')) === 0;
}
/** Returns true if $name is the name of a blob archive table, false if otherwise. */
private function isBlobArchiveTable($name)
{
return strpos($name, Common::prefixTable('archive_blob_')) === 0;
}
/** Returns true if $name is the name of a log table, false if otherwise. */
private function isTrackerTable($name)
{
return strpos($name, Common::prefixTable('log_')) === 0;
}
/**
* Gets the year of an archive table from its name.
*
* @param string $tableName
*
* @return string the year
* @ignore
*/
public static function getArchiveTableYear($tableName)
{
if (preg_match("/archive_(?:numeric|blob)_([0-9]+)_/", $tableName, $matches) === 0) {
return '';
}
return $matches[1];
}
}