/**
* Writable dir for information storage
*/
static function storageDir()
{
if (!empty(Webgrind_Config::$storageDir)) {
return realpath(Webgrind_Config::$storageDir) . '/';
}
if (!function_exists('sys_get_temp_dir') || !is_writable(sys_get_temp_dir())) {
# use xdebug setting
return Webgrind_Config::xdebugOutputDir();
}
return realpath(sys_get_temp_dir()) . '/';
}
/**
* Extract information from $inFile and store in preprocessed form in $outFile
* using the (~20x) faster binary preprocessor
*
* @param string $inFile Callgrind file to read
* @param string $outFile File to write preprocessed data to
* @return bool True if binary preprocessor was executed
*/
static function binaryParse($inFile, $outFile)
{
$preprocessor = Webgrind_Config::getBinaryPreprocessor();
if (!is_executable($preprocessor)) {
return false;
}
$cmd = escapeshellarg($preprocessor) . ' ' . escapeshellarg($inFile) . ' ' . escapeshellarg($outFile);
foreach (Webgrind_Config::$proxyFunctions as $function) {
$cmd .= ' ' . escapeshellarg($function);
}
exec($cmd);
return true;
}
/**
* Get a trace reader for the specific file.
*
* If the file has not been preprocessed yet this will be done first.
*
* @param string File to read
* @param Cost format for the reader
* @return Webgrind_Reader Reader for $file
*/
public function getTraceReader($file, $costFormat)
{
$prepFile = Webgrind_Config::storageDir() . $file . Webgrind_Config::$preprocessedSuffix;
try {
$r = new Webgrind_Reader($prepFile, $costFormat);
} catch (Exception $e) {
// Preprocessed file does not exist or other error
Webgrind_Preprocessor::parse(Webgrind_Config::xdebugOutputDir() . $file, $prepFile);
$r = new Webgrind_Reader($prepFile, $costFormat);
}
return $r;
}
break;
case 'version_info':
$response = @file_get_contents('http://jokke.dk/webgrindupdate.json?version='.Webgrind_Config::$webgrindVersion);
echo $response;
break;
default:
$welcome = '';
if (!file_exists(Webgrind_Config::storageDir()) || !is_writable(Webgrind_Config::storageDir())) {
$welcome .= 'Webgrind $storageDir does not exist or is not writeable: <code>'.Webgrind_Config::storageDir().'</code><br>';
}
if (!file_exists(Webgrind_Config::xdebugOutputDir()) || !is_readable(Webgrind_Config::xdebugOutputDir())) {
$welcome .= 'Webgrind $profilerDir does not exist or is not readable: <code>'.Webgrind_Config::xdebugOutputDir().'</code><br>';
}
if ($welcome == '') {
$welcome = 'Select a cachegrind file above<br>(looking in <code>'.Webgrind_Config::xdebugOutputDir().'</code> for files matching <code>'.Webgrind_Config::xdebugOutputFormat().'</code>)';
}
require 'templates/index.phtml';
}
} catch (Exception $e) {
echo json_encode(array('error' => $e->getMessage().'<br>'.$e->getFile().', line '.$e->getLine()));
return;
}
function get($param, $default=false){
return (isset($_GET[$param])? $_GET[$param] : $default);
}
function costCmp($a, $b){
$a = $a['summedSelfCost'];
$b = $b['summedSelfCost'];
$remainingCost = $shownTotal * get('showFraction');
$result['functions'] = array();
foreach ($functions as $function) {
$remainingCost -= $function['summedSelfCost'];
$result['functions'][] = $function;
if ($remainingCost < 0) {
break;
}
}
$result['summedInvocationCount'] = $reader->getFunctionCount();
$result['summedRunTime'] = $reader->formatCost($reader->getHeader('summary'), 'msec');
$result['dataFile'] = $dataFile;
$result['invokeUrl'] = $reader->getHeader('cmd');
$result['runs'] = $reader->getHeader('runs');
$result['breakdown'] = $breakdown;
$result['mtime'] = date(Webgrind_Config::$dateFormat, filemtime(Webgrind_Config::xdebugOutputDir() . $dataFile));
echo json_encode($result);
break;
case 'callinfo_list':
$reader = Webgrind_FileHandler::getInstance()->getTraceReader(get('file'), get('costFormat', Webgrind_Config::$defaultCostformat));
$functionNr = get('functionNr');
$function = $reader->getFunctionInfo($functionNr);
$result = array('calledFrom' => array(), 'subCalls' => array());
$foundInvocations = 0;
for ($i = 0; $i < $function['calledFromInfoCount']; $i++) {
$invo = $reader->getCalledFromInfo($functionNr, $i);
$foundInvocations += $invo['callCount'];
$callerInfo = $reader->getFunctionInfo($invo['functionNr']);
$invo['file'] = $callerInfo['file'];
$invo['callerFunctionName'] = $callerInfo['functionName'];
$result['calledFrom'][] = $invo;
