webOffice_alt/includes/openvpn.inc.php

<?php

class OpenVPNStatus {
	function __construct($logfile = NULL, $ippfile = NULL) {
		if( file_exists( $logfile ) )
		{
			$this->parse_logfile( $logfile );
		}

		if( file_exists( $ippfile ) )
		{
			$this->parse_ippfile( $ippfile );
		}
	}

	private function parse_logfile( $filename )	{
		$contents = file_get_contents( $filename );
		//echo "<h1>$filename</h1><pre>$contents</pre>";

		/* Parse statusfile */
		$log = array();
		$log = explode("\n", $contents);
		foreach($log as $entry)
		{
			$entry = explode(",", $entry);

			if( sizeof($entry) == 5 )
			{
				$current_entry['hostname'] = $entry[0];
				$current_entry['ip']       = $entry[1];
				$current_entry['received'] = $this->bytesToSize($entry[2]);
				$current_entry['send']     = $this->bytesToSize($entry[3]);
				$current_entry['total']	   = $this->bytesToSize($entry[2] + $entry[3]);
				$current_entry['date']     = $entry[4];

				$this->logfile[] = $current_entry;
			}
		}

		//echo '<pre>';
		//echo var_dump( $this->logfile );
		//echo '</pre>';
		return $this->logfile;
	}

	private function parse_ippfile( $filename )	{
		$contents = file_get_contents( $filename );
		echo "<h1>$filename</h1><pre>$contents</pre>";

		/* Parse hostfile */
		$ipp = array();
		$ipp = explode("\n", $contents);
		foreach($ipp as $entry)
		{
			/* Dont process empty entries */
			if( $entry == NULL )
				break;

			/* Split and organise entry */
			$entry = explode(',', $entry);
			$host['hostname']  = $entry[0];
			$host['ip']        = $entry[1];
			$host['remote_ip'] = "";
			$host['date']      = "";
			$host['received']  = "";
			$host['send']      = "";

			/* Check ipp against status log */
			foreach($this->logfile as $entry)
			{
				if( $host['hostname'] == $entry['hostname'] )
				{
					$host['up']        = true;
					$host['remote_ip'] = $entry['ip'];
					$host['date']      = $entry['date'];
					$host['received']  = $entry['received'];
					$host['send']      = $entry['send'];
					break;
				}
				else
				{
					$host['up'] = false;
				}
			}

			/* Append entry */
			$this->ippfile[] = $host;
		}

		echo '<pre>';
		echo var_dump( $this->ippfile );
		echo '</pre>';
	}

	private function bytesToSize($bytes, $precision = 2) {
		$kilobyte = 1024;
		$megabyte = $kilobyte * 1024;
		$gigabyte = $megabyte * 1024;
		$terabyte = $gigabyte * 1024;

		if (($bytes >= 0) && ($bytes < $kilobyte))
			return $bytes . ' B';
		elseif (($bytes >= $kilobyte) && ($bytes < $megabyte))
			return round($bytes / $kilobyte, $precision) . ' KB';
		elseif (($bytes >= $megabyte) && ($bytes < $gigabyte))
			return round($bytes / $megabyte, $precision) . ' MB';
		elseif (($bytes >= $gigabyte) && ($bytes < $terabyte))
			return round($bytes / $gigabyte, $precision) . ' GB';
		elseif ($bytes >= $terabyte)
			return round($bytes / $terabyte, $precision) . ' TB';
		else
			return $bytes . ' B';
	}
};

?>