File: 0.04.18a/server/web/test.graph.php (View as HTML)

  1: <?php // test.graph.php
  2: ob_start();
  3: /* -------------------------------------------------------------
  4: This file is part of FreeNATS
  5: 
  6: FreeNATS is (C) Copyright 2008 PurplePixie Systems
  7: 
  8: FreeNATS is free software: you can redistribute it and/or modify
  9: it under the terms of the GNU General Public License as published by
 10: the Free Software Foundation, either version 3 of the License, or
 11: (at your option) any later version.
 12: 
 13: FreeNATS is distributed in the hope that it will be useful,
 14: but WITHOUT ANY WARRANTY; without even the implied warranty of
 15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16: GNU General Public License for more details.
 17: 
 18: You should have received a copy of the GNU General Public License
 19: along with FreeNATS.  If not, see www.gnu.org/licenses
 20: 
 21: For more information see www.purplepixie.org/freenats
 22: -------------------------------------------------------------- */
 23: 
 24: require("include.php");
 25: $NATS->Start();
 26: 
 27: 
 28: 
 29: 
 30: function ty($y)
 31: {
 32: global $height;
 33: return $height-$y;
 34: }
 35: 
 36: //if (!isset($_REQUEST['testid'])) $_REQUEST['testid']="L26";
 37: 
 38: // width height suid startx finishx
 39: 
 40: if (isset($_REQUEST['width'])) $width=$_REQUEST['width'];
 41: else $width=700;
 42: if (isset($_REQUEST['height'])) $height=$_REQUEST['height'];
 43: else $height=150;
 44: 
 45: // other incoming stuff
 46: if (isset($_REQUEST['draw_spike'])) $draw_spike=$_REQUEST['draw_spike'];
 47: else $draw_spike=1;
 48: if (isset($_REQUEST['draw_track'])) $draw_track=$_REQUEST['draw_track'];
 49: else $draw_track=1;
 50: if (isset($_REQUEST['draw_under'])) $draw_under=$_REQUEST['draw_under'];
 51: else $draw_under=1;
 52: if (isset($_REQUEST['draw_under_pass'])) $draw_under=$_REQUEST['draw_under_pass'];
 53: else $draw_under_pass=0;
 54: 
 55: 
 56: // start image
 57: $im=@imagecreate($width,$height)
 58: 	or die("Cannot create image");
 59: 
 60: // setup colours
 61: $col=array();
 62: $col['white']=imagecolorallocate($im,255,255,255);
 63: $col['black']=imagecolorallocate($im,0,0,0);
 64: $col['red']=imagecolorallocate($im,250,50,50);
 65: $col['lightgrey']=imagecolorallocate($im,200,200,200);
 66: $col['blue']=imagecolorallocate($im,150,150,255);
 67: $col['green']=imagecolorallocate($im,0,200,0);
 68: $col['lightgreen']=imagecolorallocate($im,150,250,150);
 69: $col['grey']=imagecolorallocate($im,150,150,150);
 70: $col['orange']=imagecolorallocate($im,200,200,0);
 71: 
 72: if (isset($_REQUEST['bgcol'])) $c_bg=$col[$_REQUEST['bgcol']];
 73: else $c_bg=$col['white'];
 74: 
 75: if (isset($_REQUEST['txtcol'])) $c_txt=$col[$_REQUEST['txtcol']];
 76: else $c_txt=$col['black'];
 77: 
 78: if (isset($_REQUEST['axescol'])) $c_axes=$col[$_REQUEST['axescol']];
 79: else $c_axes=$col['lightgrey'];
 80: 
 81: if (isset($_REQUEST['trackcol'])) $c_track=$col[$_REQUEST['trackcol']];
 82: else $c_track=$col['blue'];
 83: 
 84: // fill background
 85: imagefill($im,1,1,$c_bg);
 86: 	
 87: function ierror($t)
 88: {
 89: global $im,$width,$height,$col;
 90: header("Content-type: image/png");
 91: imagestring($im,2,($width/2)-20,$height/2,"ERROR: ".$t,$col['red']);
 92: imagepng($im);
 93: imagedestroy($im);
 94: exit();
 95: }
 96: 
 97: //ierror("Test");
 98: 
 99: if ( $NATS->Cfg->Get("site.graph.public",0)!=1 )
100: 	{
101: 	if (!$NATS_Session->Check($NATS->DB))
102: 		{
103: 		ierror("Authorisation Failure");
104: 		exit();
105: 		}
106: 	if ($NATS_Session->userlevel<1) ierror("User Disabled");
107: 	}
108: 
109: if (!isset($_REQUEST['nodeid'])) $nodeid="";
110: else $nodeid=$_REQUEST['nodeid'];
111: 
112: if (!isset($_REQUEST['testid'])) ierror("No test ID");
113: 
114: $day=date("d");
115: $month=date("m");
116: $year=date("Y");
117: 
118: if (isset($_REQUEST['startx'])) $startx=$_REQUEST['startx'];
119: else
120: 	{ // 0:00 today    HMS mo da yr
121: 	$startx=mktime(0,0,0,$month,$day,$year);
122: 	//$startx=1203451396;
123: 	}
124: 	
125: if (isset($_REQUEST['finishx'])) $finishx=$_REQUEST['finishx'];
126: else $finishx=mktime(23,59,59,$month,$day,$year);
127: 
128: if ($startx<=0) $startx=time()+$startx;
129: if ($finishx<=0) $finishx=time()+$finishx;
130: 
131: //$finishx=1203454996;
132: $periodx=$finishx-$startx;
133: $startt=date("H:i:s d/m/y",$startx);
134: $finisht=date("H:i:s d/m/y",$finishx);
135: 
136: 
137: // titles and stuff
138: imagestring($im,2,2,2,$startt,$c_txt);
139: // -90 for size 1
140: imagestring($im,2,$width-108,2,$finisht,$c_txt);
141: 
142: if (isset($_REQUEST['title'])) $title=$_REQUEST['title'];
143: else $title=$nodeid;
144: $len=strlen($title)*4;
145: imagestring($im,4,($width/2)-$len,2,$title,$c_txt);
146: 
147: // offsets and lengths
148: $xoff=50+1;
149: $xlen=$width-$xoff-5;
150: 
151: $yoff=1;
152: $ylen=$height-$yoff-20;
153: 
154: 
155: // v-axes
156: imageline($im,50,ty(1),50,ty($height-20),$c_axes);
157: imageline($im,$width-5,ty(1),$width-5,ty($height-20),$c_axes);
158: // y-axes
159: imageline($im,50,ty(1),$width-5,ty(1),$c_axes);
160: imageline($im,$width-5,ty($height-20),50,ty($height-20),$c_axes);
161: //ierror("hello");
162: 
163: 
164: // range data
165: 
166: // Lowest
167: 
168: if (isset($_REQUEST['rangemin'])) $dlow=$_REQUEST['rangemin'];
169: else
170: 	{
171: 	$q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
172: 	$q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
173: 	$q.="ORDER BY testvalue ASC LIMIT 0,1"; // lowest
174: 	$r=$NATS->DB->Query($q);
175: 	//ierror($q);
176: 	if (!$row=$NATS->DB->Fetch_Array($r)) ierror("No data for test");
177: 	$lowest=$row['testvalue'];
178: 	$dlow=$lowest;
179: 	if ($dlow>0) $dlow=0;
180: 	$NATS->DB->Free($r);
181: 	}
182: 
183: 
184: // Highest
185: 
186: if (isset($_REQUEST['rangemax'])) $dhigh=$_REQUEST['rangemax'];
187: else
188: {
189: 	$q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
190: 	$q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
191: 	$q.= "ORDER BY testvalue DESC LIMIT 0,1"; //highest
192: 	
193: 	$r=$NATS->DB->Query($q);
194: 	$row=$NATS->DB->Fetch_Array($r);
195: 	$highest=$row['testvalue'];
196: 	$dhigh=$highest;
197: 	$NATS->DB->Free($r);
198: 	if (isset($_REQUEST['rangemaxmin']))
199: 		{
200: 		if ($dhigh<$_REQUEST['rangemaxmin']) $dhigh=$_REQUEST['rangemaxmin'];
201: 		}
202: }
203: 
204: $drange=$dhigh-$dlow;
205: 
206: // calculate scales
207: $xscale=$xlen/$periodx;
208: if ($drange>0) $yscale=$ylen/$drange;
209: else $yscale=1; // doesn't display but no change!
210: 
211: function posx($time) // timex
212: {
213: global $xscale,$startx,$xoff;
214: $drawx=$xscale*($time-$startx);
215: $screenx=$drawx+$xoff;
216: return $screenx;
217: }
218: 
219: function posy($value) 
220: {
221: global $yscale,$dlow,$yoff,$dhigh;
222: if ($value>$dhigh) $value=$dhigh;
223: $drawy=$yscale*($value-$dlow);
224: $screeny=$drawy+$yoff;
225: return $screeny;
226: }
227: 
228: 
229: 
230: // show axes scales
231: imagestring($im,1,2,ty(10),$dlow,$c_txt);
232: imagestring($im,1,2,ty($height-18),$dhigh,$c_txt);
233: 
234: 
235: if (isset($_REQUEST['units'])) 
236: 	{
237: 	if (strpos($_REQUEST['units'],"/")===false)
238: 		imagestring($im,1,2,ty($height-28),$_REQUEST['units'],$c_txt);
239: 	
240: 
241: 	else
242: 		{
243: 		$unit_array=explode("/",$_REQUEST['units']);
244: 		$a=0;
245: 		foreach($unit_array as $unit_string)
246: 			{
247: 			imagestring($im,1,2,ty($height-28-($a*8)),$unit_string,$c_txt);
248: 			$a++;
249: 			}
250: 		}
251: 	}	
252: 
253: 
254: // get data and draw
255: $q="SELECT testvalue,alertlevel,recordx FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\" ";
256: $q.="AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ORDER BY recordx ASC";
257: //$q.="LIMIT 0,100";
258: $r=$NATS->DB->Query($q);
259: $lastx=0;
260: $lasty=0;
261: 
262: $startval=0;
263: $finishval=0;
264: 
265: while ($row=mysql_fetch_array($r))
266: 	{
267: 	$x=posx($row['recordx']);
268: 	$y=posy($row['testvalue']);
269: 	
270: 	if ($row['alertlevel']==-1) $c=$col['grey'];
271: 	else if ($row['alertlevel']==0) $c=$col['lightgreen'];
272: 	else if ($row['alertlevel']==1) $c=$col['orange'];
273: 	else if ($row['alertlevel']==2) $c=$col['red'];
274: 	else $c=$col['black'];
275: 	
276: 	// up lines
277: 	if ($draw_spike==1) imageline($im,$x,ty(0),$x,ty($y),$c);
278: 
279: 	
280: 		
281: 	if ($lastx!=0)
282: 		{
283: 			
284: 		// join-the-dots
285: 		if ($draw_track==1) imageline($im,$lastx,ty($lasty),$x,ty($y),$c_track);
286: 		
287: 		// fill -- DOES NOT WORK
288: 		//if (($draw_fill==1)&&($draw_spike==1)&&($draw_track==1))
289: 			//imagefill($im,$x-1,ty(1),$c);
290: 		
291: 		// bottom line
292: 		if ($draw_under==1)
293: 			{
294: 			if (($row['alertlevel']>0)||
295: 				 (($row['alertlevel']==0)&&($draw_under_pass==1)) )
296: 				{
297: 				imageline($im,$lastx,ty(1),$x,ty(1),$c);
298: 				imageline($im,$lastx,ty(2),$x,ty(2),$c);
299: 				}
300: 			}
301: 		}	
302: 	
303: 	//imageellipse($im,$x,ty($y),1,1,$c_red);
304: 	
305: 	$lastx=$x;
306: 	$lasty=$y;
307: 	
308: 	}
309: mysql_free_result($r);
310: 
311: 	
312: 
313: // output image
314: header("Content-type: image/png");
315: imagepng($im);
316: imagedestroy($im);
317: exit(); // just in case
318: 
319: ?>
320: