File:
0.04.22a/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: 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: $session=$NATS_Session->Check($NATS->DB);
100:
101: if ( $NATS->Cfg->Get("site.graph.public",0)!=1 ) // private so must authenticate
102: {
103: if (!$session)
104: {
105: ierror("Authorisation Failure");
106: exit();
107: }
108: if ($NATS_Session->userlevel<1) ierror("User Disabled");
109: }
110: else // public so use site.graph.key if set
111: {
112: $key=$NATS->Cfg->Get("site.graph.key","");
113: if ( (!$session) && ($key!="") && ( (!isset($_REQUEST['graphkey'])) || ($_REQUEST['graphkey']!=$key) ) )
114: { // NO session AND there IS a key AND ( either graphkey is not provided or doesn't match )
115: ierror("Graph Key Failure");
116: exit();
117: }
118: }
119:
120: if (!isset($_REQUEST['nodeid'])) $nodeid="";
121: else $nodeid=$_REQUEST['nodeid'];
122:
123: if (!isset($_REQUEST['testid'])) ierror("No test ID");
124:
125: $day=date("d");
126: $month=date("m");
127: $year=date("Y");
128:
129: if (isset($_REQUEST['startx'])) $startx=$_REQUEST['startx'];
130: else
131: { // 0:00 today HMS mo da yr
132: $startx=mktime(0,0,0,$month,$day,$year);
133: //$startx=1203451396;
134: }
135:
136: if (isset($_REQUEST['finishx'])) $finishx=$_REQUEST['finishx'];
137: else $finishx=mktime(23,59,59,$month,$day,$year);
138:
139: if ($startx<=0) $startx=time()+$startx;
140: if ($finishx<=0) $finishx=time()+$finishx;
141:
142: //$finishx=1203454996;
143: $periodx=$finishx-$startx;
144: $startt=date("H:i:s d/m/y",$startx);
145: $finisht=date("H:i:s d/m/y",$finishx);
146:
147:
148: // titles and stuff
149: imagestring($im,2,2,2,$startt,$c_txt);
150: // -90 for size 1
151: imagestring($im,2,$width-108,2,$finisht,$c_txt);
152:
153: if (isset($_REQUEST['title'])) $title=$_REQUEST['title'];
154: else $title=$nodeid;
155: $len=strlen($title)*4;
156: imagestring($im,4,($width/2)-$len,2,$title,$c_txt);
157:
158: // offsets and lengths
159: $xoff=50+1;
160: $xlen=$width-$xoff-5;
161:
162: $yoff=1;
163: $ylen=$height-$yoff-20;
164:
165:
166: // v-axes
167: imageline($im,50,ty(1),50,ty($height-20),$c_axes);
168: imageline($im,$width-5,ty(1),$width-5,ty($height-20),$c_axes);
169: // y-axes
170: imageline($im,50,ty(1),$width-5,ty(1),$c_axes);
171: imageline($im,$width-5,ty($height-20),50,ty($height-20),$c_axes);
172: //ierror("hello");
173:
174:
175: // range data
176:
177: // Lowest
178:
179: if (isset($_REQUEST['rangemin'])) $dlow=$_REQUEST['rangemin'];
180: else
181: {
182: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
183: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
184: $q.="ORDER BY testvalue ASC LIMIT 0,1"; // lowest
185: $r=$NATS->DB->Query($q);
186: //ierror($q);
187: if (!$row=$NATS->DB->Fetch_Array($r)) ierror("No data for test");
188: $lowest=$row['testvalue'];
189: $dlow=$lowest;
190: if ($dlow>0) $dlow=0;
191: $NATS->DB->Free($r);
192: }
193:
194:
195: // Highest
196:
197: if (isset($_REQUEST['rangemax'])) $dhigh=$_REQUEST['rangemax'];
198: else
199: {
200: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
201: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
202: $q.= "ORDER BY testvalue DESC LIMIT 0,1"; //highest
203:
204: $r=$NATS->DB->Query($q);
205: $row=$NATS->DB->Fetch_Array($r);
206: $highest=$row['testvalue'];
207: $dhigh=$highest;
208: $NATS->DB->Free($r);
209: if (isset($_REQUEST['rangemaxmin']))
210: {
211: if ($dhigh<$_REQUEST['rangemaxmin']) $dhigh=$_REQUEST['rangemaxmin'];
212: }
213: }
214:
215: $drange=$dhigh-$dlow;
216:
217: // calculate scales
218: $xscale=$xlen/$periodx;
219: if ($drange>0) $yscale=$ylen/$drange;
220: else $yscale=1; // doesn't display but no change!
221:
222: function posx($time) // timex
223: {
224: global $xscale,$startx,$xoff;
225: $drawx=$xscale*($time-$startx);
226: $screenx=$drawx+$xoff;
227: return $screenx;
228: }
229:
230: function posy($value)
231: {
232: global $yscale,$dlow,$yoff,$dhigh;
233: if ($value>$dhigh) $value=$dhigh;
234: $drawy=$yscale*($value-$dlow);
235: $screeny=$drawy+$yoff;
236: return $screeny;
237: }
238:
239:
240:
241: // show axes scales
242: imagestring($im,1,2,ty(10),$dlow,$c_txt);
243: imagestring($im,1,2,ty($height-18),$dhigh,$c_txt);
244:
245:
246: if (isset($_REQUEST['units']))
247: {
248: if (strpos($_REQUEST['units'],"/")===false)
249: imagestring($im,1,2,ty($height-28),$_REQUEST['units'],$c_txt);
250:
251:
252: else
253: {
254: $unit_array=explode("/",$_REQUEST['units']);
255: $a=0;
256: foreach($unit_array as $unit_string)
257: {
258: imagestring($im,1,2,ty($height-28-($a*8)),$unit_string,$c_txt);
259: $a++;
260: }
261: }
262: }
263:
264:
265: // get data and draw
266: $q="SELECT testvalue,alertlevel,recordx FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\" ";
267: $q.="AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ORDER BY recordx ASC";
268: //$q.="LIMIT 0,100";
269: $r=$NATS->DB->Query($q);
270: $lastx=0;
271: $lasty=0;
272:
273: $startval=0;
274: $finishval=0;
275:
276: while ($row=mysql_fetch_array($r))
277: {
278: $x=posx($row['recordx']);
279: $y=posy($row['testvalue']);
280:
281: if ($row['alertlevel']==-1) $c=$col['grey'];
282: else if ($row['alertlevel']==0) $c=$col['lightgreen'];
283: else if ($row['alertlevel']==1) $c=$col['orange'];
284: else if ($row['alertlevel']==2) $c=$col['red'];
285: else $c=$col['black'];
286:
287: // up lines
288: if ($draw_spike==1) imageline($im,$x,ty(0),$x,ty($y),$c);
289:
290:
291:
292: if ($lastx!=0)
293: {
294:
295: // join-the-dots
296: if ($draw_track==1) imageline($im,$lastx,ty($lasty),$x,ty($y),$c_track);
297:
298: // fill -- DOES NOT WORK
299: //if (($draw_fill==1)&&($draw_spike==1)&&($draw_track==1))
300: //imagefill($im,$x-1,ty(1),$c);
301:
302: // bottom line
303: if ($draw_under==1)
304: {
305: if (($row['alertlevel']>0)||
306: (($row['alertlevel']==0)&&($draw_under_pass==1)) )
307: {
308: imageline($im,$lastx,ty(1),$x,ty(1),$c);
309: imageline($im,$lastx,ty(2),$x,ty(2),$c);
310: }
311: }
312: }
313:
314: //imageellipse($im,$x,ty($y),1,1,$c_red);
315:
316: $lastx=$x;
317: $lasty=$y;
318:
319: }
320: mysql_free_result($r);
321:
322:
323:
324: // output image
325: header("Content-type: image/png");
326: imagepng($im);
327: imagedestroy($im);
328: exit(); // just in case
329:
330: ?>
331: