Source for file AlphaKPI.inc
Documentation is available at AlphaKPI.inc
require_once $config->get('sysRoot'). 'alpha/util/helpers/AlphaValidator.inc';
require_once $config->get('sysRoot'). 'alpha/model/types/Timestamp.inc';
require_once $config->get('sysRoot'). 'alpha/model/types/String.inc';
* A Key Performance Indicator (KPI) logging class
* @author John Collins <dev@alphaframework.org>
* @version $Id: AlphaKPI.inc 1454 2011-12-04 15:14:05Z johnc $
* @license http://www.opensource.org/licenses/bsd-license.php The BSD License
* @copyright Copyright (c) 2011, John Collins (founder of Alpha Framework).
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the
* following conditions are met:
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
* * Neither the name of the Alpha Framework nor the names
* of its contributors may be used to endorse or promote
* products derived from this software without specific
* prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* The date/time of the KPI event
* The session ID of the current HTTP session
* The start time of the KPI event (UNIX timestamp in seconds)
* The end time of the KPI event (UNIX timestamp in seconds)
* The duration in seconds
* @param string $name The name of the KPI which is used in the log files, must only be letters and/or numbers.
* @throws IllegalArguementException
$this->name->setHelper('The KPI name can only contain letters and numbers');
$this->name->setValue($name);
// a startTime value may have been passed from a previous request
if(isset ($_SESSION[$name. '-startTime'])) {
$this->startTime = $_SESSION[$name. '-startTime'];
$_SESSION[$name. '-startTime'] = null;
* Stores the current startTime for the KPI in the session, useful for multi-request KPI tracking.
$_SESSION[$this->name->getValue(). '-startTime'] = $this->startTime;
* Writes the KPI event to a log file named logs/kpi-'.$this->name->getValue().'.csv, which will be created if it does
$this->duration = $this->endTime - $this->startTime;
$logfile = new LogFile($config->get('sysRoot'). 'logs/kpi-'. $this->name->getValue(). '.csv');
$logfile->setMaxSize($config->get('sysLogFileMaxSize'));
$logfile->setSeperator(',');
$logfile->writeLine(array($this->timeStamp, $this->name->getValue(), $this->sessionID, $this->startTime, $this->endTime,
* Writes a step in the KPI event to a log file named logs/kpi-'.$this->name->getValue().'.csv, which will be created if it does
public function logStep($stepName) {
$this->duration = $this->endTime - $this->startTime;
$logfile = new LogFile($config->get('sysRoot'). 'logs/kpi-'. $this->name->getValue(). '.csv');
$logfile->setMaxSize($config->get('sysLogFileMaxSize'));
$logfile->setSeperator(',');
$logfile->writeLine(array($this->timeStamp, $this->name->getValue(). ' ['. $stepName. ']', $this->sessionID, $this->startTime,
$this->endTime, $this->duration));
|