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