<?
///////////////////////////////////////////////////////////////////////////////////////
// Pothos - IPTables Firewall Tool
// Copyright (c) 2004, Ken Stanley
// All rights reserved.
//
// 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 following disclaimer.
//  - 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 Author 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 OWNER 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.
//
// Contact author : hide@address.com
///////////////////////////////////////////////////////////////////////////////////////
Class proclib {
	function uptime() {
		////////////////////////////////////////////////////////////
		// uptime() - returns current system uptime in HH:MM format.
		// Usage: printf("Uptime: %s", $blah->uptime());
		////////////////////////////////////////////////////////////
		$pl_fhandle = fopen('/proc/uptime', 'r')
			Or Die('Unable to open /proc/uptime for reading.');

		$pl_buffer = fgets($pl_fhandle, 1024);

		fclose($pl_fhandle);

		list($uptime, $idletime) = explode(" ", $pl_buffer);

		$uptime = floor($uptime);

		if ($uptime > 3600) {
			$hours = floor($uptime / 3600);
			$uptime = $uptime - (3600 * $hours);
		}

		if ($uptime > 60) {
			$minutes = floor($uptime / 60);
		}

		return str_pad($hours, 2, "0", STR_PAD_LEFT) . ":" . str_pad($minutes, 2, "0", STR_PAD_LEFT);
	}
}
?>