File:
0.02.62a/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:
37: // width height suid startx finishx
38:
39: if (isset($_REQUEST['width'])) $width=$_REQUEST['width'];
40: else $width=700;
41: if (isset($_REQUEST['height'])) $height=$_REQUEST['height'];
42: else $height=150;
43:
44: // other incoming stuff
45: if (isset($_REQUEST['draw_spike'])) $draw_spike=$_REQUEST['draw_spike'];
46: else $draw_spike=1;
47: if (isset($_REQUEST['draw_track'])) $draw_spike=$_REQUEST['draw_track'];
48: else $draw_track=1;
49: if (isset($_REQUEST['draw_under'])) $draw_spike=$_REQUEST['draw_under'];
50: else $draw_under=1;
51:
52:
53: // start image
54: $im=@imagecreate($width,$height)
55: or die("Cannot create image");
56:
57: // setup colours
58: $c_white=imagecolorallocate($im,255,255,255);
59: $c_black=imagecolorallocate($im,0,0,0);
60: $c_red=imagecolorallocate($im,250,50,50);
61: $c_axes=imagecolorallocate($im,200,200,200);
62: $c_blue=imagecolorallocate($im,150,150,255);
63: $c_green=imagecolorallocate($im,0,200,0);
64: $c_lightgreen=imagecolorallocate($im,150,250,150);
65: $c_grey=imagecolorallocate($im,150,150,150);
66: $c_orange=imagecolorallocate($im,200,200,0);
67:
68: $c_bg=$c_white;
69: $c_txt=$c_black;
70:
71: // fill background
72: imagefill($im,1,1,$c_bg);
73:
74: function ierror($t)
75: {
76: global $im,$width,$height,$c_red;
77: header("Content-type: image/png");
78: imagestring($im,2,($width/2)-20,$height/2,"ERROR: ".$t,$c_red);
79: imagepng($im);
80: imagedestroy($im);
81: exit();
82: }
83:
84: if ( $NATS->Cfg->Get("site.graph.public",0)!=1 )
85: {
86: if (!$NATS_Session->Check($NATS->DB))
87: {
88: ierror("Authorisation Failure");
89: exit();
90: }
91: if ($NATS_Session->userlevel<1) ierror("User Disabled");
92: }
93:
94: if (!isset($_REQUEST['nodeid'])) $nodeid="";
95: else $nodeid=$_REQUEST['nodeid'];
96:
97: if (!isset($_REQUEST['testid'])) ierror("No test ID");
98:
99: $day=date("d");
100: $month=date("m");
101: $year=date("Y");
102:
103: if (isset($_REQUEST['startx'])) $startx=$_REQUEST['startx'];
104: else
105: { // 0:00 today HMS mo da yr
106: $startx=mktime(0,0,0,$month,$day,$year);
107: //$startx=1203451396;
108: }
109:
110: if (isset($_REQUEST['finishx'])) $finishx=$_REQUEST['finishx'];
111: else $finishx=mktime(23,59,59,$month,$day,$year);
112: //$finishx=1203454996;
113: $periodx=$finishx-$startx;
114: $startt=date("H:i:s d/m/y",$startx);
115: $finisht=date("H:i:s d/m/y",$finishx);
116:
117:
118: // titles and stuff
119: imagestring($im,2,2,2,$startt,$c_txt);
120: // -90 for size 1
121: imagestring($im,2,$width-108,2,$finisht,$c_txt);
122: imagestring($im,4,($width/2)-40,2,$nodeid,$c_txt);
123:
124: // offsets and lengths
125: $xoff=50+1;
126: $xlen=$width-$xoff-5;
127:
128: $yoff=1;
129: $ylen=$height-$yoff-20;
130:
131:
132: // v-axes
133: imageline($im,50,ty(1),50,ty($height-20),$c_axes);
134: imageline($im,$width-5,ty(1),$width-5,ty($height-20),$c_axes);
135: // y-axes
136: imageline($im,50,ty(1),$width-5,ty(1),$c_axes);
137: imageline($im,$width-5,ty($height-20),50,ty($height-20),$c_axes);
138: //ierror("hello");
139:
140: // range data
141: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
142: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ";
143: $q.="ORDER BY testvalue ASC LIMIT 0,1"; // lowest
144: $r=$NATS->DB->Query($q);
145: //ierror($q);
146: if (!$row=$NATS->DB->Fetch_Array($r)) ierror("No data for test");
147: $lowest=$row['testvalue'];
148: $dlow=$lowest;
149: if ($dlow>0) $dlow=0;
150: $NATS->DB->Free($r);
151:
152: $q="SELECT testvalue FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\"";
153:
154: $q.=" AND recordx>=".ss($startx)." AND recordx<=".ss($_REQUEST['finishx'])." ";
155:
156: $q.= "ORDER BY testvalue DESC LIMIT 0,1"; //highest
157:
158: $r=$NATS->DB->Query($q);
159: $row=$NATS->DB->Fetch_Array($r);
160: $highest=$row['testvalue'];
161: $dhigh=$highest;
162: $NATS->DB->Free($r);
163:
164: $drange=$dhigh-$dlow;
165:
166: // calculate scales
167: $xscale=$xlen/$periodx;
168: if ($drange>0) $yscale=$ylen/$drange;
169: else $yscale=1; // doesn't display but no change!
170:
171: function posx($time) // timex
172: {
173: global $xscale,$startx,$xoff;
174: $drawx=$xscale*($time-$startx);
175: $screenx=$drawx+$xoff;
176: return $screenx;
177: }
178:
179: function posy($value) // stock value
180: {
181: global $yscale,$dlow,$yoff;
182: $drawy=$yscale*($value-$dlow);
183: $screeny=$drawy+$yoff;
184: return $screeny;
185: }
186:
187:
188:
189: // show axes scales
190: imagestring($im,1,2,ty(10),$dlow,$c_txt);
191: imagestring($im,1,2,ty($height-18),$dhigh,$c_txt);
192:
193:
194:
195: // get data and draw
196: $q="SELECT testvalue,alertlevel,recordx FROM fnrecord WHERE testid=\"".ss($_REQUEST['testid'])."\" ";
197: $q.="AND recordx>=".ss($startx)." AND recordx<=".ss($finishx)." ORDER BY recordx ASC";
198: //$q.="LIMIT 0,100";
199: $r=$NATS->DB->Query($q);
200: $lastx=0;
201: $lasty=0;
202:
203: $startval=0;
204: $finishval=0;
205:
206: while ($row=mysql_fetch_array($r))
207: {
208: $x=posx($row['recordx']);
209: $y=posy($row['testvalue']);
210:
211: if ($row['alertlevel']==-1) $c=$c_grey;
212: else if ($row['alertlevel']==0) $c=$c_lightgreen;
213: else if ($row['alertlevel']==1) $c=$c_orange;
214: else if ($row['alertlevel']==2) $c=$c_red;
215: else $c=$c_black;
216:
217: // up lines
218: if ($draw_spike==1) imageline($im,$x,ty(0),$x,ty($y),$c);
219:
220:
221: if ($lastx!=0)
222: {
223: // join-the-dots
224: if ($draw_track==1) imageline($im,$lastx,ty($lasty),$x,ty($y),$c_blue);
225:
226: // bottom line
227: if ($draw_under==1)
228: {
229: if ($row['alertlevel']>0)
230: {
231: imageline($im,$lastx,ty(1),$x,ty(1),$c);
232: imageline($im,$lastx,ty(2),$x,ty(2),$c);
233: }
234: }
235:
236: }
237:
238: //imageellipse($im,$x,ty($y),1,1,$c_red);
239:
240: $lastx=$x;
241: $lasty=$y;
242:
243: }
244: mysql_free_result($r);
245:
246:
247:
248: // output image
249: header("Content-type: image/png");
250: imagepng($im);
251: imagedestroy($im);
252: exit(); // just in case
253:
254: ?>
255: