File:
1.14.1a/server/web/test.graph.php (
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1: 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 $draw_under_pass=0;
54: if (isset($_REQUEST['transparent'])) $transparent=1;
55: else $transparent=0;
56:
57: $draw_x_grid=true;
58: $draw_y_grid=true;
59:
60: if (isset($_REQUEST['no_x_grid'])) $draw_x_grid=false;
61: if (isset($_REQUEST['no_y_grid'])) $graw_y_grid=false;
62: if (isset($_REQUEST['no_grid']))
63: {
64: $draw_x_grid=false;
65: $draw_y_grid=false;
66: }
67:
68: // start image
69: $im=@imagecreate($width,$height)
70: or die("Cannot create image");
71:
72: // setup colours
73: $col=array();
74: $col['white']=imagecolorallocate($im,255,255,255);
75: $col['black']=imagecolorallocate($im,0,0,0);
76: $col['red']=imagecolorallocate($im,250,50,50);
77: $col['lightgrey']=imagecolorallocate($im,200,200,200);
78: $col['verylightgrey']=imagecolorallocate($im,240,240,240);
79: $col['blue']=imagecolorallocate($im,150,150,255);
80: $col['green']=imagecolorallocate($im,0,200,0);
81: $col['lightgreen']=imagecolorallocate($im,150,250,150);
82: $col['grey']=imagecolorallocate($im,150,150,150);
83: $col['orange']=imagecolorallocate($im,200,200,0);
84:
85: if (isset($_REQUEST['bgcol'])) $c_bg=$col[$_REQUEST['bgcol']];
86: else $c_bg=$col['white'];
87:
88: if (isset($_REQUEST['txtcol'])) $c_txt=$col[$_REQUEST['txtcol']];
89: else $c_txt=$col['black'];
90:
91: if (isset($_REQUEST['axescol'])) $c_axes=$col[$_REQUEST['axescol']];
92: else $c_axes=$col['lightgrey'];
93:
94: if (isset($_REQUEST['trackcol'])) $c_track=$col[$_REQUEST['trackcol']];
95: else $c_track=$col['blue'];
96:
97: if (isset($_REQUEST['gridcol'])) $c_grid=$col[$_REQUEST['gridcol']];
98: else $c_grid=$col['verylightgrey'];
99:
100: // transparent check 1.14.1
101: if ($transparent == 1)
102: imagecolortransparent($im, $c_bg);
103:
104: // fill background
105: imagefill($im,1,1,$c_bg);
106:
107: function ierror($t)
108: {
109: global $im,$width,$height,$col;
110: ob_clean();
111: header("Content-type: image/png");
112: imagestring($im,2,($width/2)-20,$height/2,"ERROR: ".$t,$col['red']);
113: imagepng($im);
114: imagedestroy($im);
115: exit();
116: }
117:
118: //ierror("Test");
119:
120: $session=$NATS_Session->Check($NATS->DB);
121:
122: if (!$session)
123: {
124: if ($NATS->Cfg->Get("site.graph.public",0)!=1)
125: {
126: ierror("Authorisation Failure");
127: exit();
128: }
129: $key=$NATS->Cfg->Get("site.graph.key","");
130: if (isset($_REQUEST['graphkey'])) $userkey=$_REQUEST['graphkey'];
131: else $userkey="";
132:
133: if ( ($key!="") && ($key!=$userkey) )
134: {
135: ierror("Graph Key Failure");
136: exit();
137: }
138: }
139:
140:
141: if (!isset($_REQUEST['nodeid'])) $nodeid="";
142: else $nodeid=$_REQUEST['nodeid'];
143:
144: if (!isset($_REQUEST['testid'])) ierror("No test ID");
145:
146: $day=date("d");
147: $month=date("m");
148: $year=date("Y");
149:
150: if (isset($_REQUEST['startx'])) $startx=$_REQUEST['startx'];
151: else
152: { // 0:00 today HMS mo da yr
153: $startx=mktime(0,0,0,$month,$day,$year);
154: //$startx=1203451396;
155: }
156:
157: if (isset($_REQUEST['finishx'])) $finishx=$_REQUEST['finishx'];
158: else $finishx=mktime(23,59,59,$month,$day,$year);
159:
160: if ($startx<=0) $startx=time()+$startx;
161: if ($finishx<=0) $finishx=time()+$finishx;
162:
163: //$finishx=1203454996;
164: $periodx=$finishx-$startx;
165: $startt=date("H:i:s d/m/y",$startx);
166: $finisht=date("H:i:s d/m/y",$finishx);
167:
168:
169: // titles and stuff
170: imagestring($im,2,2,2,$startt,$c_txt);
171: // -90 for size 1
172: imagestring($im,2,$width-108,2,$finisht,$c_txt);
173:
174: if (isset($_REQUEST['title'])) $title=$_REQUEST['title'];
175: else $title=$nodeid;
176: $len=strlen($title)*4;
177: imagestring($im,4,($width/2)-$len,2,$title,$c_txt);
178:
179: // offsets and lengths
180: $xoff=50+1;
181: $xlen=$width-$xoff-5;
182:
183: $yoff=1;
184: $ylen=$height-$yoff-20;
185:
186:
187: // v-axes
188: imageline($im,50,ty(1),50,ty($height-20),$c_axes);
189: imageline($im,$width-5,ty(1),$width-5,ty($height-20),$c_axes);
190: // y-axes
191: imageline($im,50,ty(1),$width-5,ty(1),$c_axes);
192: imageline($im,$width-5,ty($height-20),50,ty($height-20),$c_axes);
193: //ierror("hello");
194:
195:
196: // range data
197:
198: // Lowest
199:
200: if (isset($_REQUEST['rangemin'])) $dlow=$_REQUEST['rangemin'];
201: else
202: {
203: $dlow=0;
204: /*
205: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
206: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
207: $q.="ORDER BY testvalue ASC LIMIT 0,1"; // lowest
208: $r=$NATS->DB->Query($q);
209: //ierror($q);
210: if (!$row=$NATS->DB->Fetch_Array($r)) ierror("No data for test");
211: $lowest=$row['testvalue'];
212: $dlow=$lowest;
213: if ($dlow>0) $dlow=0;
214: $NATS->DB->Free($r);
215: */
216: }
217:
218:
219: // Highest
220:
221: if (isset($_REQUEST['rangemax'])) $dhigh=$_REQUEST['rangemax'];
222: else
223: {
224: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
225: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
226: $q.= "ORDER BY testvalue DESC LIMIT 0,1"; //highest
227:
228: $r=$NATS->DB->Query($q);
229: $row=$NATS->DB->Fetch_Array($r);
230: $highest=$row['testvalue'];
231: $dhigh=$highest;
232: $NATS->DB->Free($r);
233: if (isset($_REQUEST['rangemaxmin']))
234: {
235: if ($dhigh<$_REQUEST['rangemaxmin']) $dhigh=$_REQUEST['rangemaxmin'];
236: }
237: }
238:
239: $drange=$dhigh-$dlow;
240:
241: // calculate scales
242: $xscale=$xlen/$periodx;
243: if ($drange>0) $yscale=$ylen/$drange;
244: else $yscale=1; // doesn't display but no change!
245:
246: // Grid Lines
247:
248: // Grid X - the X values
249:
250: /* Oh if only I was actually any good at programming. There MUST be soooo many better ways to do these ranges
251: with all sorts of calculations to round to the nearest power of ten etc etc. Unfortunately I have the programming
252: skill of a walrus and typing code with tusks is difficult! */
253:
254: /* TODO: Make this all like really elegant and stuff */
255:
256: if ($draw_x_grid)
257: {
258: $xg_step=1;
259: $xg_scale=1;
260: if ($drange<0.001) $xg_scale=0.0001;
261: else if ($drange<0.01) $xg_scale=0.001;
262: else if ($drange<0.1) $xg_scale=0.01;
263: else if ($drange<1) $xg_scale=0.1;
264: else if ($drange<6) $xg_scale=1;
265: else if ($drange<11) $xg_scale=2;
266: else if ($drange<16) $xg_scale=4;
267: else if ($drange<21) $xg_scale=5;
268: else if ($drange<51) $xg_scale=10;
269: else if ($drange<101) $xg_scale=20;
270: else if ($drange<201) $xg_scale=50;
271: else if ($drange<501) $xg_scale=100;
272: else if ($drange<1001) $xg_scale=250;
273: else if ($drange<10001) $xg_scale=1000;
274: else if ($drange<100001) $xg_scale=10000;
275: else if ($drange<1000001) $xg_scale=100000;
276: else $draw_x_grid=false;
277:
278: if ($xg_scale<0) $xg_step=($xg_scale);
279: }
280:
281: if ($draw_x_grid)
282: {
283: //imagestring($im,1,2,ty(50),"Drawing X Grid ".$xg_scale,$c_txt);
284: for ($a=$dlow; $a<=$dhigh; $a+=$xg_scale)
285: {
286: if (($a!=0)&&( ($a % $xg_scale) == 0))
287: {
288: //imagestring($im,1,2,ty(50+($a*5)),"Drawing X Grid ".$a,$c_txt);
289: // draw a line
290: imageline($im,posx($startx),ty(posy($a)),posx($finishx),ty(posy($a)),$c_grid);
291: // imageline($im,$lastx,ty($lasty),$x,ty($y),$c_track);
292: }
293: }
294: }
295:
296: // Grid Y - the time values
297:
298: if ($draw_y_grid)
299: {
300: $min=60;
301: $hour=$min*60;
302: $day=$hour*24;
303:
304: $syr=date("Y",$startx);
305: $smo=date("m",$startx);
306: $sda=date("d",$startx);
307: $shr=date("H",$startx);
308: // h m s mo da yr
309: $lhr=mktime($shr,0,0,$smo,$sda,$syr);
310: $lda=mktime(0,0,0,$smo,$sda,$syr);
311:
312: if ($periodx< (($hour*2)+1) )
313: {
314: $yg_scale=$min;
315: $yg_start=$lhr;
316: }
317: else if ($periodx< (($day*2)+1) )
318: {
319: $yg_scale=$hour;
320: $yg_start=$lhr;
321: }
322: else if ($periodx < ($day*32) )
323: {
324: $yg_scale=$day;
325: $yg_start=$lda;
326: }
327: else $draw_y_grid=false;
328: }
329:
330: if ($draw_y_grid)
331: {
332: //imagestring($im,1,2,ty(50),"Drawing Y Grid ",$c_txt);
333: for ($a=$yg_start; $a<$finishx; $a+=$yg_scale)
334: {
335: if ($a>$startx)
336: {
337: // draw line
338: imageline($im,posx($a),ty(posy($dlow)),posx($a),ty(posy($dhigh)),$c_grid);
339: }
340: }
341: }
342: function posx($time) // timex
343: {
344: global $xscale,$startx,$xoff;
345: $drawx=$xscale*($time-$startx);
346: $screenx=$drawx+$xoff;
347: $screenx=floor($screenx);
348: return $screenx;
349: }
350:
351: function posy($value)
352: {
353: global $yscale,$dlow,$yoff,$dhigh;
354: if ($value>$dhigh) $value=$dhigh;
355: $drawy=$yscale*($value-$dlow);
356: $screeny=$drawy+$yoff;
357: $screeny=floor($screeny);
358: return $screeny;
359: }
360:
361:
362:
363: // show axes scales
364: imagestring($im,1,2,ty(10),$dlow,$c_txt);
365: imagestring($im,1,2,ty($height-18),$dhigh,$c_txt);
366:
367:
368: if (isset($_REQUEST['units']))
369: {
370: if (strpos($_REQUEST['units'],"/")===false)
371: imagestring($im,1,2,ty($height-28),$_REQUEST['units'],$c_txt);
372:
373:
374: else
375: {
376: $unit_array=explode("/",$_REQUEST['units']);
377: $a=0;
378: foreach($unit_array as $unit_string)
379: {
380: imagestring($im,1,2,ty($height-28-($a*8)),$unit_string,$c_txt);
381: $a++;
382: }
383: }
384: }
385:
386:
387: // get data and draw
388: $q="SELECT testvalue,alertlevel,recordx FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\" ";
389: $q.="AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ORDER BY recordx ASC";
390: //$q.="LIMIT 0,100";
391: $r=$NATS->DB->Query($q);
392: $lastx=0;
393: $lasty=0;
394:
395: $startval=0;
396: $finishval=0;
397:
398: while ($row=mysql_fetch_array($r))
399: {
400: $x=posx($row['recordx']);
401: //$y=posy($row['testvalue']);
402: $val=$row['testvalue'];
403: if ($val<0) $y=posy(0);
404: else $y=posy($val);
405:
406: if ($row['alertlevel']==-1) $c=$col['grey'];
407: else if ($row['alertlevel']==0) $c=$col['lightgreen'];
408: else if ($row['alertlevel']==1) $c=$col['orange'];
409: else if ($row['alertlevel']==2) $c=$col['red'];
410: else $c=$col['black'];
411:
412: // up lines
413: if ($draw_spike==1) imageline($im,$x,ty(0),$x,ty($y),$c);
414:
415:
416:
417: if ($lastx!=0)
418: {
419:
420: // join-the-dots
421: if ($draw_track==1) imageline($im,$lastx,ty($lasty),$x,ty($y),$c_track);
422:
423: // fill -- DOES NOT WORK
424: //if (($draw_fill==1)&&($draw_spike==1)&&($draw_track==1))
425: //imagefill($im,$x-1,ty(1),$c);
426:
427: // bottom line
428: if ($draw_under==1)
429: {
430: if (($row['alertlevel']>0)||
431: (($row['alertlevel']==0)&&($draw_under_pass==1)) )
432: {
433: imageline($im,$lastx,ty(1),$x,ty(1),$c);
434: imageline($im,$lastx,ty(2),$x,ty(2),$c);
435: }
436: }
437: }
438:
439: //imageellipse($im,$x,ty($y),1,1,$c_red);
440:
441: $lastx=$x;
442: $lasty=$y;
443:
444: }
445: mysql_free_result($r);
446:
447:
448:
449: // output image
450: ob_clean();
451: header("Content-type: image/png");
452: imagepng($im);
453: imagedestroy($im);
454: exit(); // just in case
455:
456: ?>
457: