/**
* Code inspired by https://github.com/etsy/statsd/blob/master/examples/php-example.php
*/
public static function doLog($logMethod, array $data, &$output)
{
list($host, $port, $types) = eZPerfLoggerINI::variableMulti('StatsdSettings', array('Host', 'Port', 'VariableTypes'));
// Failures in any of this should be silently ignored
try {
$strings = array();
foreach ($data as $varName => $value) {
$type = isset($types[$varName]) && $types[$varName] != '' ? $types[$varName] : 'ms';
$strings[] = static::transformVarName($varName) . ":{$value}|{$type}";
}
$fp = fsockopen("udp://{$host}", (int) $port, $errNo, $errStr);
if (!$fp) {
eZPerfLoggerDebug::writeWarning("Could not open udp socket to {$host}:{$port} - {$errStr}", __METHOD__);
return;
}
if (eZPerfLoggerINI::variable('StatsdSettings', 'SendMetricsInSinglePacket') == 'enabled') {
fwrite($fp, implode("\n", $strings));
} else {
foreach ($strings as $string) {
fwrite($fp, $string);
}
}
fclose($fp);
} catch (Exception $e) {
}
}
/**
* Stops XHProf profiling and saves profile data in var/log/xhprof
*
* @return mixed false|string (the run_id)|true (when nosave==true)
*/
public static function stop($dosave = true)
{
if (!extension_loaded('xhprof')) {
eZPerfLoggerDebug::writeWarning('Extension xhprof not loaded, can not stop profiling', __METHOD__);
return false;
}
if (!self::$profilingRunning) {
return false;
}
$xhprofData = xhprof_disable();
self::$profilingRunning = false;
if (!$dosave) {
return true;
}
if (!is_dir(self::$logdir)) {
mkdir(self::$logdir);
}
$logger = new XHProfRuns_Default(self::$logdir);
$runId = $logger->save_run($xhprofData, "xhprof");
if ($runId) {
// beside profiling data, save extra info in another file to make it more useful later
file_put_contents(self::$logdir . "/{$runId}.info", eZPerfLoggerApacheLogger::apacheLogLine('combined'));
self::$runs[] = $runId;
}
return $runId;
}
/**
* Reset accumulators values so far: either a single one or all of them.
* NB: also clears the ezdebug accumulators
*/
public static function accumulatorReset($val = null)
{
if ($val === null) {
self::$timeAccumulatorList = array();
if (eZPerfLoggerDebug::isDebugEnabled()) {
$debug = eZDebug::instance();
$debug->TimeAccumulatorList = array();
}
} else {
unset(self::$timeAccumulatorList[$val]);
}
}
/**
* Rotates a log file, if it's bigger than $maxSize bytes.
* Rotated files get a .20120612_122359 stringa ppended to their name
* If $maxFiles is > 0, only $maxFiles files are kept, other eliminated
*/
public static function rotateLogs($dir, $filename, $maxSize = 0, $maxFiles = 0)
{
$filepath = "{$dir}/{$filename}";
if (is_file($filepath) && filesize($filepath) > $maxSize) {
if (!rename($filepath, $filepath . "." . strftime('%Y%m%d_%H%M%S'))) {
eZPerfLoggerDebug::writeWarning("Could not rotate log file {$filepath}", __METHOD__);
}
}
if ($maxFiles) {
$files = array();
foreach (scandir($dir) as $afile) {
if (is_file("{$dir}/{$afile}") && strpos($afile, $filename) === 0) {
$ext = substr(strrchr($afile, "."), 1);
$files[$ext] = $afile;
}
}
if (count($files) > $maxFiles) {
ksort($files);
$oldest = "{$dir}/" . reset($files);
if (!unlink($oldest)) {
eZPerfLoggerDebug::writeWarning("Could not remove log file {$oldest}", __METHOD__);
}
}
}
}
