/**
* Fetches the latest entries from the current systemlog.
* The entries can be limited by the optional param latestEntry.
* If given, only entries created after the passed date will be returned.
* The format of latestEntry is similar to the date returned, so YYYY-MM-DD HH:MM:SS
* The structure is returned like:
* <entries>
* <entry>
* <level></level>
* <date></date>
* <session></session>
* <content></content>
* </entry>
* </entries>
*
* @return string
* @permissions right3
*/
protected function actionSystemLog()
{
$strReturn = "";
$intStartDate = false;
if ($this->getParam("latestEntry") != "") {
$intStartDate = strtotime($this->getParam("latestEntry"));
}
//read the last few lines
$objFile = new class_filesystem();
$arrDetails = $objFile->getFileDetails("/system/debug/systemlog.log");
$intOffset = 0;
$bitSkip = false;
if ($arrDetails["filesize"] > 20000) {
$intOffset = $arrDetails["filesize"] - 20000;
$bitSkip = true;
}
$objFile->openFilePointer("/system/debug/systemlog.log", "r");
//forward to the new offset, skip entry
if ($intOffset > 0) {
$objFile->setFilePointerOffset($intOffset);
}
$arrRows = array();
$strRow = $objFile->readLineFromFile();
while ($strRow !== false) {
if (!$bitSkip && trim($strRow) > 0) {
$arrRows[] = $strRow;
}
$bitSkip = false;
$strRow = $objFile->readLineFromFile();
}
$objFile->closeFilePointer();
$strReturn .= "<entries>\n";
$arrRows = array_reverse($arrRows);
foreach ($arrRows as $strSingleRow) {
//parse entry
$strDate = uniSubstr($strSingleRow, 0, 19);
$strSingleRow = uniSubstr($strSingleRow, 20);
$intTempPos = uniStrpos($strSingleRow, " ");
$strLevel = uniSubstr($strSingleRow, 0, $intTempPos);
$strSingleRow = uniSubstr($strSingleRow, $intTempPos + 1);
$intTempPos = uniStrpos($strSingleRow, ")") + 1;
$strSession = uniSubstr($strSingleRow, 0, $intTempPos);
$strLogEntry = uniSubstr($strSingleRow, $intTempPos);
if ($intStartDate !== false) {
$intCurDate = strtotime($strDate);
if ($intStartDate >= $intCurDate) {
continue;
}
}
$strReturn .= "\t<entry>\n";
$strReturn .= "\t\t<level>" . $strLevel . "</level>\n";
$strReturn .= "\t\t<date>" . $strDate . "</date>\n";
$strReturn .= "\t\t<session>" . $strSession . "</session>\n";
$strReturn .= "\t\t<content>" . xmlSafeString(strip_tags($strLogEntry)) . "</content>\n";
$strReturn .= "\t</entry>\n";
}
$strReturn .= "</entries>";
return $strReturn;
}
