File:
1.00.5a/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:
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: ob_clean();
91: header("Content-type: image/png");
92: imagestring($im,2,($width/2)-20,$height/2,"ERROR: ".$t,$col['red']);
93: imagepng($im);
94: imagedestroy($im);
95: exit();
96: }
97:
98: //ierror("Test");
99:
100: $session=$NATS_Session->Check($NATS->DB);
101:
102: if (!$session)
103: {
104: if ($NATS->Cfg->Get("site.graph.public",0)!=1)
105: {
106: ierror("Authorisation Failure");
107: exit();
108: }
109: $key=$NATS->Cfg->Get("site.graph.key","");
110: if (isset($_REQUEST['graphkey'])) $userkey=$_REQUEST['graphkey'];
111: else $userkey="";
112:
113: if ( ($key!="") && ($key!=$userkey) )
114: {
115: ierror("Graph Key Failure");
116: exit();
117: }
118: }
119:
120:
121: if (!isset($_REQUEST['nodeid'])) $nodeid="";
122: else $nodeid=$_REQUEST['nodeid'];
123:
124: if (!isset($_REQUEST['testid'])) ierror("No test ID");
125:
126: $day=date("d");
127: $month=date("m");
128: $year=date("Y");
129:
130: if (isset($_REQUEST['startx'])) $startx=$_REQUEST['startx'];
131: else
132: { // 0:00 today HMS mo da yr
133: $startx=mktime(0,0,0,$month,$day,$year);
134: //$startx=1203451396;
135: }
136:
137: if (isset($_REQUEST['finishx'])) $finishx=$_REQUEST['finishx'];
138: else $finishx=mktime(23,59,59,$month,$day,$year);
139:
140: if ($startx<=0) $startx=time()+$startx;
141: if ($finishx<=0) $finishx=time()+$finishx;
142:
143: //$finishx=1203454996;
144: $periodx=$finishx-$startx;
145: $startt=date("H:i:s d/m/y",$startx);
146: $finisht=date("H:i:s d/m/y",$finishx);
147:
148:
149: // titles and stuff
150: imagestring($im,2,2,2,$startt,$c_txt);
151: // -90 for size 1
152: imagestring($im,2,$width-108,2,$finisht,$c_txt);
153:
154: if (isset($_REQUEST['title'])) $title=$_REQUEST['title'];
155: else $title=$nodeid;
156: $len=strlen($title)*4;
157: imagestring($im,4,($width/2)-$len,2,$title,$c_txt);
158:
159: // offsets and lengths
160: $xoff=50+1;
161: $xlen=$width-$xoff-5;
162:
163: $yoff=1;
164: $ylen=$height-$yoff-20;
165:
166:
167: // v-axes
168: imageline($im,50,ty(1),50,ty($height-20),$c_axes);
169: imageline($im,$width-5,ty(1),$width-5,ty($height-20),$c_axes);
170: // y-axes
171: imageline($im,50,ty(1),$width-5,ty(1),$c_axes);
172: imageline($im,$width-5,ty($height-20),50,ty($height-20),$c_axes);
173: //ierror("hello");
174:
175:
176: // range data
177:
178: // Lowest
179:
180: if (isset($_REQUEST['rangemin'])) $dlow=$_REQUEST['rangemin'];
181: else
182: {
183: $dlow=0;
184: /*
185: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
186: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
187: $q.="ORDER BY testvalue ASC LIMIT 0,1"; // lowest
188: $r=$NATS->DB->Query($q);
189: //ierror($q);
190: if (!$row=$NATS->DB->Fetch_Array($r)) ierror("No data for test");
191: $lowest=$row['testvalue'];
192: $dlow=$lowest;
193: if ($dlow>0) $dlow=0;
194: $NATS->DB->Free($r);
195: */
196: }
197:
198:
199: // Highest
200:
201: if (isset($_REQUEST['rangemax'])) $dhigh=$_REQUEST['rangemax'];
202: else
203: {
204: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
205: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
206: $q.= "ORDER BY testvalue DESC LIMIT 0,1"; //highest
207:
208: $r=$NATS->DB->Query($q);
209: $row=$NATS->DB->Fetch_Array($r);
210: $highest=$row['testvalue'];
211: $dhigh=$highest;
212: $NATS->DB->Free($r);
213: if (isset($_REQUEST['rangemaxmin']))
214: {
215: if ($dhigh<$_REQUEST['rangemaxmin']) $dhigh=$_REQUEST['rangemaxmin'];
216: }
217: }
218:
219: $drange=$dhigh-$dlow;
220:
221: // calculate scales
222: $xscale=$xlen/$periodx;
223: if ($drange>0) $yscale=$ylen/$drange;
224: else $yscale=1; // doesn't display but no change!
225:
226: function posx($time) // timex
227: {
228: global $xscale,$startx,$xoff;
229: $drawx=$xscale*($time-$startx);
230: $screenx=$drawx+$xoff;
231: return $screenx;
232: }
233:
234: function posy($value)
235: {
236: global $yscale,$dlow,$yoff,$dhigh;
237: if ($value>$dhigh) $value=$dhigh;
238: $drawy=$yscale*($value-$dlow);
239: $screeny=$drawy+$yoff;
240: return $screeny;
241: }
242:
243:
244:
245: // show axes scales
246: imagestring($im,1,2,ty(10),$dlow,$c_txt);
247: imagestring($im,1,2,ty($height-18),$dhigh,$c_txt);
248:
249:
250: if (isset($_REQUEST['units']))
251: {
252: if (strpos($_REQUEST['units'],"/")===false)
253: imagestring($im,1,2,ty($height-28),$_REQUEST['units'],$c_txt);
254:
255:
256: else
257: {
258: $unit_array=explode("/",$_REQUEST['units']);
259: $a=0;
260: foreach($unit_array as $unit_string)
261: {
262: imagestring($im,1,2,ty($height-28-($a*8)),$unit_string,$c_txt);
263: $a++;
264: }
265: }
266: }
267:
268:
269: // get data and draw
270: $q="SELECT testvalue,alertlevel,recordx FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\" ";
271: $q.="AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ORDER BY recordx ASC";
272: //$q.="LIMIT 0,100";
273: $r=$NATS->DB->Query($q);
274: $lastx=0;
275: $lasty=0;
276:
277: $startval=0;
278: $finishval=0;
279:
280: while ($row=mysql_fetch_array($r))
281: {
282: $x=posx($row['recordx']);
283: //$y=posy($row['testvalue']);
284: $val=$row['testvalue'];
285: if ($val<0) $y=posy(0);
286: else $y=posy($val);
287:
288: if ($row['alertlevel']==-1) $c=$col['grey'];
289: else if ($row['alertlevel']==0) $c=$col['lightgreen'];
290: else if ($row['alertlevel']==1) $c=$col['orange'];
291: else if ($row['alertlevel']==2) $c=$col['red'];
292: else $c=$col['black'];
293:
294: // up lines
295: if ($draw_spike==1) imageline($im,$x,ty(0),$x,ty($y),$c);
296:
297:
298:
299: if ($lastx!=0)
300: {
301:
302: // join-the-dots
303: if ($draw_track==1) imageline($im,$lastx,ty($lasty),$x,ty($y),$c_track);
304:
305: // fill -- DOES NOT WORK
306: //if (($draw_fill==1)&&($draw_spike==1)&&($draw_track==1))
307: //imagefill($im,$x-1,ty(1),$c);
308:
309: // bottom line
310: if ($draw_under==1)
311: {
312: if (($row['alertlevel']>0)||
313: (($row['alertlevel']==0)&&($draw_under_pass==1)) )
314: {
315: imageline($im,$lastx,ty(1),$x,ty(1),$c);
316: imageline($im,$lastx,ty(2),$x,ty(2),$c);
317: }
318: }
319: }
320:
321: //imageellipse($im,$x,ty($y),1,1,$c_red);
322:
323: $lastx=$x;
324: $lasty=$y;
325:
326: }
327: mysql_free_result($r);
328:
329:
330:
331: // output image
332: ob_clean();
333: header("Content-type: image/png");
334: imagepng($im);
335: imagedestroy($im);
336: exit(); // just in case
337:
338: ?>
339: