<?php

/*
 * LMS version 1.9-cvs
 *
 *  (C) Copyright 2001-2007 LMS Developers
 *
 *  Please, see the doc/AUTHORS for more information about authors!
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License Version 2 as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 *  USA.
 *
 *  $Id: netdevmap.php,v 1.51 2007/02/22 17:48:47 alec Exp $
 */

function drawtext($x, $y, $text, $r, $g, $b)
{
	global $m, $font, $CONFIG;

	if(!$text) return;

	if($CONFIG['phpui']['gd_translate_to'])
		$text = iconv('UTF-8', $CONFIG['phpui']['gd_translate_to'], $text);

	// remove special characters because we haven't got proper font
	// or something else. I don't know what, but we have a problem with 
	// that characters on flash map.
	if(strtoupper($CONFIG['phpui']['gd_translate_to'])=='ISO-8859-2')
	{
		// for Polish diacritical chars
		$from = array('ą','ś','ę','ż','ź','ć','ń','ó','ł','Ą','Ś','Ę','Ż','Ź','Ć','Ń','Ó','Ł');
		$to   = array('a','s','e','z','z','c','n','o','l','A','S','E','Z','Z','C','N','O','L');
		$text = str_replace($from, $to, $text);
	}
	
	$t = new SWFTextField(SWFTEXTFIELD_NOEDIT | SWFTEXTFIELD_NOSELECT);
	$t->setFont($font);
	$t->setHeight(8);
	$t->setColor($r, $g, $b);
	$t->addString($text);
	$i = $m->add($t);
	$i->moveTo($x, $y);	
}

function pngdrawtext($image, $font, $x, $y, $text, $color, $bgcolor)
{
	global $CONFIG;
	if($CONFIG['phpui']['gd_translate_to'])
		$text = iconv('UTF-8', $CONFIG['phpui']['gd_translate_to'], $text);
	imagestring($image, $font, $x + 1, $y + 1, $text, $bgcolor);
	imagestring($image, $font, $x + 1, $y - 1, $text, $bgcolor);
	imagestring($image, $font, $x - 1, $y + 1, $text, $bgcolor);
	imagestring($image, $font, $x - 1, $y - 1, $text, $bgcolor);
	imagestring($image, $font, $x, $y, $text, $color);
}

function getnodearray($size)
{
	$x = 1;
	$result = array();
	
	$exceptions = array('00', '01', '11', '10', '0-1', '-10');
	
	while($size > 0)
	{
		for($i=-$x; $i<=$x; $i++)
		{
			for($j=-$x; $j<=$x; $j++)
			{
				if(!isset($result["x$i$j"]) && !in_array("$i$j", $exceptions))
				{
					$result["x$i$j"] = array('x' => $i, 'y' => $j);
					$size--;
					if($size <= 0) break 2;
				}
			}
		}
		$x++;	
	}
	
	return $result;
}

function makemap(&$map, &$seen, $device = 0, $x = 50, $y = 50, $parent = 0)
{
	global $DB, $nodelist, $devicelinks;

	$in = array(0,5,-5,10,-10,20,-20,25,-25,30,-30);
	$jn = array(0,5,-5,10,-10,20,-20,25,-25,30,-30);
	
	// making fields net: count($in) * count($jn) - 1
	foreach($in as $i)
		foreach($jn as $j)
			if($i != 0 || $j != 0)
				$fields[] = array('x' => $i, 'y' => $j); 

	if($device == 0)
	{
		if($device = $DB->GetOne('SELECT id FROM netdevices ORDER BY id ASC'))
			makemap($map, $seen, $device, $x, $y);
	}
	else
	{
		// remember that current device was processed
		$seen[$device] = array('x' => $x, 'y' => $y);

		// place device in space ...
		$map[$x][$y] = $device;
		
		// ... and connected nodes (if they wasn't processed before)
		if(isset($nodelist[$device]))
		{
			$nodefields = getnodearray(count($nodelist[$device]));
			foreach($nodelist[$device] as $node)
			{
				foreach($nodefields as $field)
					if(!isset($map[$x + $field['x']][$y + $field['y']]))
					{
						$ntx = $x + $field['x'];
						$nty = $y + $field['y'];
						$map[$ntx][$nty] = 'n'.$node['id'].'.'.$device.'.'.$node['linktype'];
						break;
					}
			}
		}

		if(isset($devicelinks[$device])) foreach($devicelinks[$device] as $deviceid)
		{
			if(!isset($seen[$deviceid]))
			{
				if(isset($nodelist[$deviceid]))
					$nodefields = getnodearray(count($nodelist[$deviceid]));
				
				for($i=0; $i < sizeof($fields); $i++)
				{
					$tx = $x + $fields[$i]['x'];
					$ty = $y + $fields[$i]['y'];

					if(!isset($map[$tx][$ty]))
					{
						// we don't want connected devices on the same axis 
						$br = false;
						if(isset($devicelinks[$deviceid])) foreach($devicelinks[$deviceid] as $devid)
						{
							if(isset($devicelinks[$devid])) foreach($devicelinks[$devid] as $d)
							{
								if($d != $deviceid && $d != $parent && isset($seen[$d]))
								{
									if($tx == $seen[$d]['x'] || $ty == $seen[$d]['y'])
									{
										$br = true;
										break 2;
									}
								}
							}
						}
						if($br) continue;

						// try to place all connected nodes on map
						// if there's no place, go to next field
						if(isset($nodelist[$deviceid]))
						{
							$map2 = $map;
							$cnt = 0;
							foreach($nodelist[$deviceid] as $node)
							{
								foreach($nodefields as $field)
								{
									if(!isset($map2[$tx + $field['x']][$ty + $field['y']]))
									{
										$ntx = $tx + $field['x'];
										$nty = $ty + $field['y'];
										$map2[$ntx][$nty] = 'n'.$node['id'].'.'.$deviceid.'.'.$node['linktype'];
										$cnt++;
										break;
									}
								}
							}

							// not found place for all nodes, let's try next field 
							if($cnt < count($nodelist[$deviceid]))
							{
								continue;
							}
							
							$map = $map2;
							unset($nodelist[$deviceid]);
						}
						
						makemap($map, $seen, $deviceid, $tx, $ty, $device);
						break;
					}
				}
			}
		}
	}
}

$layout['pagetitle'] = trans('Network Map');

$graph = isset($_GET['graph']) ? $_GET['graph'] : '';
$start = isset($_GET['start']) ? $_GET['start'] : 0;

$minx = 0; $maxx = 0; $miny = 0; $maxy = 0;
$nodelist = array();
$map = array();
$nodemap = array();

if($nodes = $DB->GetAll('SELECT id, linktype, netdev 
			FROM nodes 
			WHERE ownerid > 0 AND netdev > 0 
			ORDER BY name ASC'))
{
	foreach($nodes as $idx => $node)
	{
		$nodelist[$node['netdev']][] = $node;
		unset($nodes[$idx]);
	}
}

if($links = $DB->GetAll('SELECT src, dst FROM netlinks'))
{
	foreach($links as $idx => $link)
	{
		$devicelinks[$link['src']][$link['dst']] = $link['dst'];
		$devicelinks[$link['dst']][$link['src']] = $link['src'];
		unset($links[$idx]);
	}
}

if($graph == '')
{
	makemap($map,$seen,$start);
	if($map)
	{
		foreach($map as $idx => $x)
		{
			if(!$minx)
				$minx = $idx;
			elseif($idx < $minx)
				$minx = $idx;
		
			if($idx > $maxx)
				$maxx = $idx;
			foreach($x as $idy => $y)
			{
				if(!$miny)
					$miny = $idy;
				elseif($idy < $miny)
					$miny = $idy;

				if($idy > $maxy)
					$maxy = $idy;
			}
		}

		$widthx = $maxx - $minx;
		$widthy = $maxy - $miny;
		$cellw = 70;
		$cellh = 30;
		$celltmargin = 20;
		$celllmargin = 10;
		$imgwx = $cellw * ($widthx + 2);
		$imgwy = $cellh * ($widthy + 2);

		foreach($map as $idx => $x)
		{
			foreach($x as $idy => $device)
			{
				$celx = $idx - $minx;
				$cely = $idy - $miny;
				if(eregi('^n',$device))
				{
					$device = str_replace('n','',$device);
					list($nodeid,$device,$linktype) = explode('.',$device);
					$nodemap[$nodeid]['x'] = (($celx * ($cellw)) + $celllmargin) +4;
					$nodemap[$nodeid]['y'] = (($cely * ($cellh)) + $celltmargin) +4;
					$nodemap[$nodeid]['id'] = $nodeid;
					$nodemap[$nodeid]['linktype'] = $linktype;
				}
				else
				{
					$devicemap[$device]['x'] = (($celx * ($cellw)) + $celllmargin) +4;
					$devicemap[$device]['y'] = (($cely * ($cellh)) + $celltmargin) +4;
					$devicemap[$device]['id'] = $device;
				}
			}
		}
		
		sort($nodemap);
		sort($devicemap);
	}
	
	$deviceslist = $DB->GetAll('SELECT id, name FROM netdevices ORDER BY name ASC');
	$SMARTY->assign('devicemap', $devicemap);
	$SMARTY->assign('nodemap', $nodemap);
	$SMARTY->assign('deviceslist', $deviceslist);
	$SMARTY->assign('start', $start);
	$SMARTY->assign('type', strtolower(isset($CONFIG['phpui']['map_type']) ? $CONFIG['phpui']['map_type'] : ''));
	$SMARTY->assign('emptydb', sizeof($deviceslist) ? FALSE : TRUE);
	$SMARTY->assign('gd', function_exists('imagepng'));
	$SMARTY->assign('ming', function_exists('ming_useswfversion'));
	$SMARTY->display('netdevmap.html');
} 
elseif ($graph == 'flash')
{	
	makemap($map,$seen,$start);
	foreach($map as $idx => $x)
	{
		if($minx == NULL)
			$minx = $idx;
		elseif($idx < $minx)
			$minx = $idx;
		
		if($idx > $maxx)
			$maxx = $idx;
		foreach($x as $idy => $y)
		{
			if($miny == NULL)
				$miny = $idy;
			elseif($idy < $miny)
				$miny = $idy;

			if($idy > $maxy)
				$maxy = $idy;
		}
	}

	$widthx = $maxx - $minx;
	$widthy = $maxy - $miny;
	$cellw = 70;
	$cellh = 30;
	$celltmargin = 20;
	$celllmargin = 10;
	$imgwx = $cellw * ($widthx + 2);
	$imgwy = $cellh * ($widthy + 2);

	Ming_setScale(20.0);
	ming_useswfversion(5);
	$m = new SWFMovie();
	$m->setDimension($imgwx, $imgwy);
	$font = new SWFFont("img/Arial.fdb");
	$connections = new SWFShape();

	foreach($map as $idx => $x)
	{
		foreach($x as $idy => $device)
		{
			$celx = $idx - $minx;
			$cely = $idy - $miny;
			if(eregi('^n',$device))
			{
				$device = str_replace('n','',$device);
				list($nodeid,$device,$linktype) = explode('.',$device);
				$nodemap[$nodeid]['x'] = $celx;
				$nodemap[$nodeid]['y'] = $cely;
				$nodemap[$nodeid]['device'] = $device;
				$nodemap[$nodeid]['linktype'] = $linktype;
			}
			else
			{
				$devicemap[$device]['x'] = $celx;
				$devicemap[$device]['y'] = $cely;
			}
		}
	}

	$links = $DB->GetAll('SELECT src, dst, type FROM netlinks');
	if($links) foreach($links as $link)
	{
		$src_celx = $devicemap[$link['src']]['x'];
		$src_cely = $devicemap[$link['src']]['y'];
		$dst_celx = $devicemap[$link['dst']]['x'];
		$dst_cely = $devicemap[$link['dst']]['y'];
		$src_px = (($src_celx * $cellw) + $celllmargin);
		$src_py = (($src_cely * $cellh) + $celltmargin);
		$dst_px = (($dst_celx * $cellw) + $celllmargin);
		$dst_py = (($dst_cely * $cellh) + $celltmargin);
		if(! $link['type'])
		{
			$connections->setLine(1, 0,128,0);
			$connections->movePenTo($src_px+8, $src_py+8);
			$connections->drawLineTo($dst_px+8, $dst_py+8);
		} 
		else 
		{
			$connections->setLine(1, 0,200,255);
			$connections->movePenTo($src_px+8, $src_py+8);
			$connections->drawLineTo($dst_px+8, $dst_py+8);
		}
	}

	if($nodemap) foreach($nodemap as $node)
	{
		$src_celx = $node['x'];
		$src_cely = $node['y'];
		$dst_celx = $devicemap[$node['device']]['x'];
		$dst_cely = $devicemap[$node['device']]['y'];
		$src_px = (($src_celx * $cellw) + $celllmargin);
		$src_py = (($src_cely * $cellh) + $celltmargin);
		$dst_px = (($dst_celx * $cellw) + $celllmargin);
		$dst_py = (($dst_cely * $cellh) + $celltmargin);
		if($node['linktype']=="0") {
			$connections->setLine(1, 255,0,0);
			$connections->movePenTo($src_px+4, $src_py+4);
			$connections->drawLineTo($dst_px+4, $dst_py+4);
		} else {
			$connections->setLine(1, 0,200,255);
			$connections->movePenTo($src_px+4, $src_py+4);
			$connections->drawLineTo($dst_px+4, $dst_py+4);
		}
	}

	$m->add($connections);

	$im_n_unk = new SWFBitmap(fopen("img/node_unk.jpg","rb"));
	$im_n_off = new SWFBitmap(fopen("img/node_off.jpg","rb"));
	$im_n_on  = new SWFBitmap(fopen("img/node_on.jpg","rb"));
	$im_d_unk = new SWFBitmap(fopen("img/netdev_unk.jpg","rb"));
	$im_d_off = new SWFBitmap(fopen("img/netdev_off.jpg","rb"));
	$im_d_on  = new SWFBitmap(fopen("img/netdev_on.jpg","rb"));
	
	$nodes = $DB->GetAllByKey('SELECT id, name, INET_NTOA(ipaddr) AS ip, lastonline FROM nodes', 'id');

	if($nodemap) foreach($nodemap as $nodeid => $node)
	{
		$button = new SWFButton();
		$squareshape=new SWFShape();
		$celx = $node['x'];
		$cely = $node['y'];
		$px = (($celx * ($cellw)) + $celllmargin);
		$py = (($cely * ($cellh)) + $celltmargin);

		$n = $nodes[$nodeid];
		
		if ($n['lastonline']) {	
			if ((time()-$n['lastonline'])>$LMS->CONFIG['phpui']['lastonline_limit']) {
				$myfill = $squareshape->addFill($im_n_off,SWFFILL_TILED_BITMAP);
			} else {
				$myfill = $squareshape->addFill($im_n_on,SWFFILL_TILED_BITMAP);
			}
		} else {
			$myfill = $squareshape->addFill($im_n_unk,SWFFILL_TILED_BITMAP);
		}
		$myfill->scaleto(9,9);
		$squareshape->setRightFill($myfill);
		$squareshape->drawLine(15,0);  
		$squareshape->drawLine(0,15); 
		$squareshape->drawLine(-15,0); 
		$squareshape->drawLine(0,-15); 
		$button->addShape($squareshape, SWFBUTTON_HIT | SWFBUTTON_UP | SWFBUTTON_DOWN | SWFBUTTON_OVER); 
		$button->addAction(new SWFAction("this.getURL('?m=nodeinfo&id=".$nodeid."');"), SWFBUTTON_MOUSEDOWN); // press
		$i=$m->add($button);
		$i->moveTo($px,$py);
		
		drawtext($px + 15, $py - 4, $n['ip'], 0, 0, 255);
		drawtext($px + 15, $py + 10, $n['name'], 0, 0, 0); 
	}

	$devices = $DB->GetAllByKey('SELECT n.id, n.name, n.location, MAX(lastonline) AS lastonline 
				    FROM netdevices n 
				    LEFT JOIN nodes ON (n.id = netdev)
				    GROUP BY n.id, n.name, n.location', 'id');

	foreach($devicemap as $deviceid => $device)
	{
		$button = new SWFButton();
		$squareshape=new SWFShape(); 
		$celx = $device['x'];
		$cely = $device['y'];
		$px = (($celx * ($cellw)) + $celllmargin);
		$py = (($cely * ($cellh)) + $celltmargin);
		
		$d = $devices[$deviceid];
		
		if ($d['lastonline']) 
		{	
			if ((time()-$d['lastonline'])>$LMS->CONFIG['phpui']['lastonline_limit']) {
				$myfill = $squareshape->addFill($im_d_off,SWFFILL_TILED_BITMAP);
			} else {
				$myfill = $squareshape->addFill($im_d_on,SWFFILL_TILED_BITMAP);
			}
		} else {
			$myfill = $squareshape->addFill($im_d_unk,SWFFILL_TILED_BITMAP);
		}
		
		$myfill->scaleto(9,9);
		$squareshape->setRightFill($myfill);
		$squareshape->drawLine(15,0);  
		$squareshape->drawLine(0,15); 
		$squareshape->drawLine(-15,0); 
		$squareshape->drawLine(0,-15); 
		$button->addShape($squareshape, SWFBUTTON_HIT | SWFBUTTON_UP | SWFBUTTON_DOWN | SWFBUTTON_OVER); 
		$button->addAction(new SWFAction("this.getURL('?m=netdevinfo&id=".$deviceid."');"), SWFBUTTON_MOUSEDOWN); // press
		$i=$m->add($button);
		$i->moveTo($px,$py);

		if($devip = $DB->GetCol('SELECT INET_NTOA(ipaddr) 
				    FROM nodes WHERE ownerid = 0 AND netdev = ? 
				    ORDER BY ipaddr LIMIT 4', array($deviceid)))
		{
			if(isset($devip[0])) drawtext($px + 16, $py - (isset($devip[1])?16:8), $devip[0], 0,0,255);
			if(isset($devip[1])) drawtext($px + 16, $py - 8, $devip[1], 0,0,255);
			if(isset($devip[2])) drawtext($px + 16, $py + 16, $devip[2], 0,0,255);
			if(isset($devip[3])) drawtext($px + 16, $py + 24, $devip[3], 0,0,255);
		}
		
		drawtext($px + 16, $py + 0, $d['name'], 0,0,0);
		drawtext($px + 16, $py + 8, $d['location'], 0,128,0); 
	}
		
	header("Content-type: application/x-shockwave-flash");
	// Note: this line avoids a bug in InternetExplorer that won't allow
	// downloads over https
	header("Expires: 0");
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
        header("Pragma: public");	
	$m->output();
} else {
	makemap($map,$seen,$start);
	foreach($map as $idx => $x)
	{
		if(!$minx)
			$minx = $idx;
		elseif($idx < $minx)
			$minx = $idx;
		
		if($idx > $maxx)
			$maxx = $idx;
		foreach($x as $idy => $y)
		{
			if(!$miny)
				$miny = $idy;
			elseif($idy < $miny)
				$miny = $idy;

			if($idy > $maxy)
				$maxy = $idy;
		}
	}

	header('Content-type: image/png');
	$widthx = $maxx - $minx;
	$widthy = $maxy - $miny;
	$cellw = 70;
	$cellh = 30;
	$celltmargin = 20;
	$celllmargin = 10;
	$imgwx = $cellw * ($widthx + 2);
	$imgwy = $cellh * ($widthy + 2);

	$im = imagecreatetruecolor($imgwx, $imgwy);
	$lightbrown = imagecolorallocate($im, 234,228,214);
	$black = imagecolorallocate($im, 0,0,0);
	$white = imagecolorallocate($im, 255,255,255);
	$red = imagecolorallocate($im, 255,0,0);
	$green = imagecolorallocate($im, 0,128,0);
	$blue = imagecolorallocate($im, 0,0,255);
	$lightblue = imagecolorallocate($im, 0,200,255);
	$darkred = imagecolorallocate($im, 128,0,0);

	imagefill($im,0,0,$lightbrown);

	foreach($map as $idx => $x)
	{
		foreach($x as $idy => $device)
		{
			$celx = $idx - $minx;
			$cely = $idy - $miny;
			if(eregi('^n',$device))
			{
				$device = str_replace('n','',$device);
				list($nodeid,$device,$linktype) = explode('.',$device);
				$nodemap[$nodeid]['x'] = $celx;
				$nodemap[$nodeid]['y'] = $cely;
				$nodemap[$nodeid]['device'] = $device;
				$nodemap[$nodeid]['linktype'] = $linktype;
			}
			else
			{
				$devicemap[$device]['x'] = $celx;
				$devicemap[$device]['y'] = $cely;
			}
		}
	}

	imagesetthickness($im, 2);
	
	$links = $DB->GetAll('SELECT src, dst, type FROM netlinks');
	if($links) foreach($links as $link)
	{
		$src_celx = isset($devicemap[$link['src']]['x']) ? $devicemap[$link['src']]['x'] : 0;
		$src_cely = isset($devicemap[$link['src']]['y']) ? $devicemap[$link['src']]['y'] : 0;
		$dst_celx = isset($devicemap[$link['dst']]['x']) ? $devicemap[$link['dst']]['x'] : 0;
		$dst_cely = isset($devicemap[$link['dst']]['y']) ? $devicemap[$link['dst']]['y'] : 0;
		$src_px = (($src_celx * $cellw) + $celllmargin);
		$src_py = (($src_cely * $cellh) + $celltmargin);
		$dst_px = (($dst_celx * $cellw) + $celllmargin);
		$dst_py = (($dst_cely * $cellh) + $celltmargin);
	
		$color = $link['type'] ? $lightblue : $green;
		imageline($im, $src_px+8, $src_py+8, $dst_px+8, $dst_py+8, $color);
	}

	imagesetthickness($im, 1);
	
	if($nodemap) foreach($nodemap as $node)
	{
		$src_celx = $node['x'];
		$src_cely = $node['y'];
		$dst_celx = $devicemap[$node['device']]['x'];
		$dst_cely = $devicemap[$node['device']]['y'];
		$src_px = (($src_celx * $cellw) + $celllmargin);
		$src_py = (($src_cely * $cellh) + $celltmargin);
		$dst_px = (($dst_celx * $cellw) + $celllmargin);
		$dst_py = (($dst_cely * $cellh) + $celltmargin);

		$color = $node['linktype'] ? $lightblue : $red;
		imageline($im, $src_px+4, $src_py+4, $dst_px+4, $dst_py+4, $color);
	}

	$im_n_unk = imagecreatefrompng('img/node_unk.png');
	$im_n_off = imagecreatefrompng('img/node_off.png');
	$im_n_on = imagecreatefrompng('img/node_on.png');
	$im_d_unk = imagecreatefrompng('img/netdev_unk.png');
	$im_d_off = imagecreatefrompng('img/netdev_off.png');
	$im_d_on = imagecreatefrompng('img/netdev_on.png');

	$nodes = $DB->GetAllByKey('SELECT id, name, INET_NTOA(ipaddr) AS ip, lastonline FROM nodes', 'id');

	if($nodemap) foreach($nodemap as $nodeid => $node)
	{
		$celx = $node['x'];
		$cely = $node['y'];
		$px = (($celx * ($cellw)) + $celllmargin);
		$py = (($cely * ($cellh)) + $celltmargin);

		$n = $nodes[$nodeid];

		if ($n['lastonline']) {	
			if ((time()-$n['lastonline'])>$LMS->CONFIG['phpui']['lastonline_limit'])
				imagecopy($im,$im_n_off,$px,$py,0,0,16,16);
			else 
				imagecopy($im,$im_n_on,$px,$py,0,0,16,16);
		} else 
			imagecopy($im,$im_n_unk,$px,$py,0,0,16,16);
		
		pngdrawtext($im, 1, $px + 15, $py - 8, $n['ip'], $blue, $lightbrown);
		pngdrawtext($im, 1, $px + 15, $py + 2, $n['name'], $black, $lightbrown);
	}

	$devices = $DB->GetAllByKey('SELECT n.id, n.name, n.location, MAX(lastonline) AS lastonline 
				    FROM netdevices n
				    LEFT JOIN nodes ON (n.id = netdev)
				    GROUP BY n.id, n.name, n.location', 'id');

	foreach($devicemap as $deviceid => $device)
	{
		$celx = $device['x'];
		$cely = $device['y'];
		$px = (($celx * ($cellw)) + $celllmargin);
		$py = (($cely * ($cellh)) + $celltmargin);

		$d = $devices[$deviceid];
		
		if ($d['lastonline']) {	
			if ((time()-$d['lastonline'])>$LMS->CONFIG['phpui']['lastonline_limit'])
				imagecopy($im,$im_d_off,$px,$py,0,0,16,16);
			else 
				imagecopy($im,$im_d_on,$px,$py,0,0,16,16);
		} else 
			imagecopy($im,$im_d_unk,$px,$py,0,0,16,16);
		
		if($devip = $DB->GetCol('SELECT INET_NTOA(ipaddr) FROM nodes 
				    WHERE ownerid = 0 AND netdev = ? 
				    ORDER BY ipaddr LIMIT 4', array($deviceid)))
		{
			if(isset($devip[0])) pngdrawtext($im, 1, $px + 20, $py - (isset($devip[1])?17:8), $devip[0], $blue, $lightbrown);
			if(isset($devip[1])) pngdrawtext($im, 1, $px + 20, $py - 8, $devip[1], $blue, $lightbrown);
			if(isset($devip[2])) pngdrawtext($im, 1, $px + 20, $py + 17, $devip[2], $blue, $lightbrown);
			if(isset($devip[3])) pngdrawtext($im, 1, $px + 20, $py + 26, $devip[3], $blue, $lightbrown);
		}
		
		pngdrawtext($im, 3, $px + 20, $py + 2, $d['name'], $black, $lightbrown);
		pngdrawtext($im, 2, $px + 20, $py + 18, $d['location'], $green, $lightbrown);
	}
		
	imagepng($im);
}

?>