LogParser.php

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<?php
/*
 * @author Andreas Åkre Solberg <andreas.solberg@uninett.no>
 * @package SimpleSAMLphp
 */
class sspmod_statistics_LogParser
{
    private $datestart;

    private $datelength;

    private $offset;

    public function __construct($datestart, $datelength, $offset)
    {
        $this->datestart = $datestart;
        $this->datelength = $datelength;
        $this->offset = $offset;
    }


    public function parseEpoch($line)
    {
        $epoch = strtotime(substr($line, 0, $this->datelength));
        if ($epoch > time() + 2678400) {  // 60 * 60 *24 * 31 = 2678400
            /*
             * More than a month in the future - probably caused by
             * the log files missing the year.
             * We will therefore subtrackt one year.
             */
            $hour = gmdate('H', $epoch);
            $minute = gmdate('i', $epoch);
            $second = gmdate('s', $epoch);
            $month = gmdate('n', $epoch);
            $day = gmdate('j', $epoch);
            $year = gmdate('Y', $epoch) - 1;
            $epoch = gmmktime($hour, $minute, $second, $month, $day, $year);
        }
        return $epoch;
    }


    public function parseContent($line)
    {
        $contentstr = substr($line, $this->offset);
        $content = explode(' ', $contentstr);
        return $content;
    }
}