File:
0.03.02a/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: if ( $NATS->Cfg->Get("site.graph.public",0)!=1 )
98: {
99: if (!$NATS_Session->Check($NATS->DB))
100: {
101: ierror("Authorisation Failure");
102: exit();
103: }
104: if ($NATS_Session->userlevel<1) ierror("User Disabled");
105: }
106:
107: if (!isset($_REQUEST['nodeid'])) $nodeid="";
108: else $nodeid=$_REQUEST['nodeid'];
109:
110: if (!isset($_REQUEST['testid'])) ierror("No test ID");
111:
112: $day=date("d");
113: $month=date("m");
114: $year=date("Y");
115:
116: if (isset($_REQUEST['startx'])) $startx=$_REQUEST['startx'];
117: else
118: { // 0:00 today HMS mo da yr
119: $startx=mktime(0,0,0,$month,$day,$year);
120: //$startx=1203451396;
121: }
122:
123: if (isset($_REQUEST['finishx'])) $finishx=$_REQUEST['finishx'];
124: else $finishx=mktime(23,59,59,$month,$day,$year);
125:
126: if ($startx<=0) $startx=time()+$startx;
127: if ($finishx<=0) $finishx=time()+$finishx;
128:
129: //$finishx=1203454996;
130: $periodx=$finishx-$startx;
131: $startt=date("H:i:s d/m/y",$startx);
132: $finisht=date("H:i:s d/m/y",$finishx);
133:
134:
135: // titles and stuff
136: imagestring($im,2,2,2,$startt,$c_txt);
137: // -90 for size 1
138: imagestring($im,2,$width-108,2,$finisht,$c_txt);
139:
140: if (isset($_REQUEST['title'])) $title=$_REQUEST['title'];
141: else $title=$nodeid;
142: $len=strlen($title)*4;
143: imagestring($im,4,($width/2)-$len,2,$title,$c_txt);
144:
145: // offsets and lengths
146: $xoff=50+1;
147: $xlen=$width-$xoff-5;
148:
149: $yoff=1;
150: $ylen=$height-$yoff-20;
151:
152:
153: // v-axes
154: imageline($im,50,ty(1),50,ty($height-20),$c_axes);
155: imageline($im,$width-5,ty(1),$width-5,ty($height-20),$c_axes);
156: // y-axes
157: imageline($im,50,ty(1),$width-5,ty(1),$c_axes);
158: imageline($im,$width-5,ty($height-20),50,ty($height-20),$c_axes);
159: //ierror("hello");
160:
161:
162: // range data
163:
164: // Lowest
165:
166: if (isset($_REQUEST['rangemin'])) $dlow=$_REQUEST['rangemin'];
167: else
168: {
169: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
170: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
171: $q.="ORDER BY testvalue ASC LIMIT 0,1"; // lowest
172: $r=$NATS->DB->Query($q);
173: //ierror($q);
174: if (!$row=$NATS->DB->Fetch_Array($r)) ierror("No data for test");
175: $lowest=$row['testvalue'];
176: $dlow=$lowest;
177: if ($dlow>0) $dlow=0;
178: $NATS->DB->Free($r);
179: }
180:
181:
182: // Highest
183:
184: if (isset($_REQUEST['rangemax'])) $dhigh=$_REQUEST['rangemax'];
185: else
186: {
187: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
188: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
189: $q.= "ORDER BY testvalue DESC LIMIT 0,1"; //highest
190:
191: $r=$NATS->DB->Query($q);
192: $row=$NATS->DB->Fetch_Array($r);
193: $highest=$row['testvalue'];
194: $dhigh=$highest;
195: $NATS->DB->Free($r);
196: if (isset($_REQUEST['rangemaxmin']))
197: {
198: if ($dhigh<$_REQUEST['rangemaxmin']) $dhigh=$_REQUEST['rangemaxmin'];
199: }
200: }
201:
202: $drange=$dhigh-$dlow;
203:
204: // calculate scales
205: $xscale=$xlen/$periodx;
206: if ($drange>0) $yscale=$ylen/$drange;
207: else $yscale=1; // doesn't display but no change!
208:
209: function posx($time) // timex
210: {
211: global $xscale,$startx,$xoff;
212: $drawx=$xscale*($time-$startx);
213: $screenx=$drawx+$xoff;
214: return $screenx;
215: }
216:
217: function posy($value)
218: {
219: global $yscale,$dlow,$yoff,$dhigh;
220: if ($value>$dhigh) $value=$dhigh;
221: $drawy=$yscale*($value-$dlow);
222: $screeny=$drawy+$yoff;
223: return $screeny;
224: }
225:
226:
227:
228: // show axes scales
229: imagestring($im,1,2,ty(10),$dlow,$c_txt);
230: imagestring($im,1,2,ty($height-18),$dhigh,$c_txt);
231:
232:
233: if (isset($_REQUEST['units']))
234: {
235: if (strpos($_REQUEST['units'],"/")===false)
236: imagestring($im,1,2,ty($height-28),$_REQUEST['units'],$c_txt);
237:
238:
239: else
240: {
241: $unit_array=explode("/",$_REQUEST['units']);
242: $a=0;
243: foreach($unit_array as $unit_string)
244: {
245: imagestring($im,1,2,ty($height-28-($a*8)),$unit_string,$c_txt);
246: $a++;
247: }
248: }
249: }
250:
251:
252: // get data and draw
253: $q="SELECT testvalue,alertlevel,recordx FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\" ";
254: $q.="AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ORDER BY recordx ASC";
255: //$q.="LIMIT 0,100";
256: $r=$NATS->DB->Query($q);
257: $lastx=0;
258: $lasty=0;
259:
260: $startval=0;
261: $finishval=0;
262:
263: while ($row=mysql_fetch_array($r))
264: {
265: $x=posx($row['recordx']);
266: $y=posy($row['testvalue']);
267:
268: if ($row['alertlevel']==-1) $c=$col['grey'];
269: else if ($row['alertlevel']==0) $c=$col['lightgreen'];
270: else if ($row['alertlevel']==1) $c=$col['orange'];
271: else if ($row['alertlevel']==2) $c=$col['red'];
272: else $c=$col['black'];
273:
274: // up lines
275: if ($draw_spike==1) imageline($im,$x,ty(0),$x,ty($y),$c);
276:
277:
278: if ($lastx!=0)
279: {
280:
281: // bottom line
282: if ($draw_under==1)
283: {
284: if (($row['alertlevel']>0)||
285: (($row['alertlevel']==0)&&($draw_under_pass==1)) )
286: {
287: imageline($im,$lastx,ty(1),$x,ty(1),$c);
288: imageline($im,$lastx,ty(2),$x,ty(2),$c);
289: }
290: }
291:
292: // join-the-dots
293: if ($draw_track==1) imageline($im,$lastx,ty($lasty),$x,ty($y),$c_track);
294: }
295:
296: //imageellipse($im,$x,ty($y),1,1,$c_red);
297:
298: $lastx=$x;
299: $lasty=$y;
300:
301: }
302: mysql_free_result($r);
303:
304:
305:
306: // output image
307: header("Content-type: image/png");
308: imagepng($im);
309: imagedestroy($im);
310: exit(); // just in case
311:
312: ?>
313: