b7878f4d |
1 | <?php |
2 | // ************ RRD status class ************** |
3 | class rrdstat { |
4 | |
2a386f5a |
5 | var $rrd_file = null; |
b7878f4d |
6 | |
a039a75c |
7 | var $config_raw = null; |
8 | var $config_graph = null; |
9 | var $config_page = null; |
10 | |
b7878f4d |
11 | var $rrd_fields = array(); |
12 | var $rra_base = array(); |
13 | var $rrd_step = 300; |
14 | var $rra_add_max = true; |
15 | |
16 | var $status = 'unused'; |
17 | |
18 | function rrdstat($init_info = null) { |
19 | // ***** init RRD stat module ***** |
20 | $this->set_def($init_info); |
21 | |
2a386f5a |
22 | if (!is_null($this->rrd_file)) { |
23 | if (!is_writeable($this->rrd_file)) { |
24 | if (!file_exists($this->rrd_file)) { |
25 | if (touch($this->rrd_file)) { $this->create(); } |
26 | else { trigger_error('RRD file can not be created', E_USER_WARNING); } |
27 | } |
28 | else { |
29 | if (is_readable($this->rrd_file)) { $this->status = 'readonly'; } |
30 | else { trigger_error('RRD file is not readable', E_USER_WARNING); } |
31 | } |
b7878f4d |
32 | } |
33 | else { |
2a386f5a |
34 | $this->status = 'ok'; |
b7878f4d |
35 | } |
36 | } |
b7878f4d |
37 | } |
38 | |
39 | function set_def($init_info = null) { |
40 | if (is_array($init_info) && isset($init_info['file'])) { |
41 | // we have an array in the format we like to have |
42 | $iinfo =& $init_info; |
43 | } |
44 | else { |
45 | // we have something else (XML data?), try to generate the iinfo aray from it |
46 | $iinfo =& $init_info; |
47 | } |
48 | |
49 | if (!isset($iinfo['file'])) { return false; } |
50 | |
51 | $this->rrd_file = $iinfo['file']; |
52 | |
53 | // fields (data sources, DS) |
54 | // name - DS name |
55 | // type - one of COUNTER, GAUGE, DERIVE, ABSOLUTE |
56 | // heartbeat - if no sample recieved for that time, store UNKNOWN |
57 | // min - U (unconstrained) or minimum value |
58 | // max - U (unconstrained) or maximum value |
59 | // update - this string will be fed into eval() for updating this field |
60 | if (isset($iinfo['fields']) && is_array($iinfo['fields'])) { |
61 | $this->rrd_fields = $iinfo['fields']; |
62 | } |
63 | else { |
64 | $this->rrd_fields[] = array('name' => 'ds0', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U'); |
65 | $this->rrd_fields[] = array('name' => 'ds1', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U'); |
66 | } |
67 | |
68 | |
69 | // MRTG-style RRD "database", see http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/tut/rrdtutorial.en.html |
70 | // |
71 | // archives (RRAs): |
72 | // 600 samples of 5 minutes (2 days and 2 hours) |
73 | // 700 samples of 30 minutes (2 days and 2 hours, plus 12.5 days) |
74 | // 775 samples of 2 hours (above + 50 days) |
75 | // 797 samples of 1 day (above + 732 days, rounded up to 797) |
76 | |
77 | $this->rrd_step = isset($iinfo['rrd_step'])?$iinfo['rrd_step']:300; |
78 | |
79 | if (isset($iinfo['rra_base']) && is_array($iinfo['rra_base'])) { |
80 | $this->rra_base = $iinfo['rra_base']; |
81 | } |
82 | else { |
83 | $this->rra_base[] = array('step' => 1, 'rows' => 600); |
84 | $this->rra_base[] = array('step' => 6, 'rows' => 700); |
85 | $this->rra_base[] = array('step' => 24, 'rows' => 775); |
86 | $this->rra_base[] = array('step' => 288, 'rows' => 797); |
87 | } |
88 | |
89 | $this->rra_add_max = isset($iinfo['rra_add_max'])?$iinfo['rra_add_max']:true; |
a039a75c |
90 | |
91 | if (isset($iinfo['graph'])) { $this->config_graph = $iinfo['graph']; } |
92 | if (isset($iinfo['page'])) { $this->config_page = $iinfo['page']; } |
93 | $this->config_raw = $iinfo; |
b7878f4d |
94 | } |
95 | |
96 | function create() { |
97 | // create RRD file |
98 | |
99 | // compose create command |
100 | $create_cmd = 'rrdtool create '.$this->rrd_file.' --step '.$this->rrd_step; |
101 | foreach ($this->rrd_fields as $ds) { |
102 | if (!isset($ds['type'])) { $ds['type'] = 'COUNTER'; } |
103 | if (!isset($ds['heartbeat'])) { $ds['heartbeat'] = 2*$this->rrd_step; } |
104 | if (!isset($ds['min'])) { $ds['min'] = 'U'; } |
105 | if (!isset($ds['max'])) { $ds['max'] = 'U'; } |
106 | $create_cmd .= ' DS:'.$ds['name'].':'.$ds['type'].':'.$ds['heartbeat'].':'.$ds['min'].':'.$ds['max']; |
107 | } |
108 | foreach ($this->rra_base as $rra) { |
109 | if (!isset($rra['cf'])) { $rra['cf'] = 'AVERAGE'; } |
110 | if (!isset($rra['xff'])) { $rra['xff'] = 0.5; } |
111 | if (!isset($rra['step'])) { $rra['step'] = 1; } |
112 | if (!isset($rra['rows'])) { $rra['rows'] = 600; } |
113 | $create_cmd .= ' RRA:'.$rra['cf'].':'.$rra['xff'].':'.$rra['step'].':'.$rra['rows']; |
114 | } |
115 | if ($this->rra_add_max) { |
116 | foreach ($this->rra_base as $rra) { |
117 | if (!isset($rra['cf'])) { |
118 | // only rows that have no CF set will be looked at here |
119 | $rra['cf'] = 'MAX'; |
120 | if (!isset($rra['xff'])) { $rra['xff'] = 0.5; } |
121 | if (!isset($rra['step'])) { $rra['step'] = 1; } |
122 | if (!isset($rra['rows'])) { $rra['rows'] = 600; } |
123 | $create_cmd .= ' RRA:'.$rra['cf'].':'.$rra['xff'].':'.$rra['step'].':'.$rra['rows']; |
124 | } |
125 | } |
126 | } |
127 | $output = array(); $return_var = null; |
128 | exec($create_cmd, $output, $return_var); |
129 | if ($return_var) { trigger_error('rrd create returned with value '.$return_var, E_USER_WARNING); } |
130 | else { $this->status = 'ok'; } |
131 | } |
132 | |
133 | function update($upArray = null) { |
134 | // feed new data into RRD |
135 | if ($this->status != 'ok') { trigger_error('Cannot update non-writeable file', E_USER_WARNING); return 1; } |
136 | $upvals = array(); |
137 | foreach($this->rrd_fields as $ds) { |
138 | if (is_array($upArray) && isset($upArray[$ds['name']])) { $val = $upArray[$ds['name']]; } |
139 | elseif (isset($ds['update'])) { $val = eval($ds['update']); } |
140 | else { $val = null; } |
141 | $upvals[] = $val; |
142 | } |
143 | $update_cmd = 'rrdtool update '.$this->rrd_file.' N:'.implode(':', $upvals); |
144 | $output = array(); $return_var = null; |
145 | exec($update_cmd, $output, $return_var); |
146 | if ($return_var) { trigger_error('rrd update returned with value '.$return_var, E_USER_WARNING); } |
147 | return ($return_var == 0); |
148 | } |
149 | |
a039a75c |
150 | function fetch($cf = 'AVERAGE', $resolution = null, $start = null, $end = null) { |
151 | // fetch data from a RRD |
152 | if (!in_array($this->status, array('ok','readonly'))) { trigger_error('Error: rrd status is '.$this->status, E_USER_WARNING); return false; } |
153 | |
154 | if (!in_array($cf, array('AVERAGE','MIN','MAX','LAST'))) { $cf = 'AVERAGE'; } |
155 | if (!is_numeric($resolution)) { $resolution = $this->rrd_step; } |
156 | if (!is_numeric($end)) { $end = $this->last_update(); } |
157 | elseif ($end < 0) { $end += $this->last_update(); } |
158 | $end = intval($end/$resolution)*$resolution; |
159 | if (!is_numeric($start)) { $start = $end; } |
160 | elseif ($start < 0) { $start += $end; } |
161 | $start = intval($start/$resolution)*$resolution; |
162 | |
163 | $fetch_cmd = 'rrdtool fetch '.$this->rrd_file.' '.$cf.' --resolution '.$resolution.' --start '.$start.' --end '.$end; |
164 | $return = `$fetch_cmd 2>&1`; |
165 | |
166 | if (strpos($return, 'ERROR') !== false) { |
167 | trigger_error('rrd fetch error: '.$return, E_USER_WARNING); |
168 | $fresult = false; |
169 | } |
170 | else { |
171 | $fresult = array(); |
172 | $rows = explode("\n", $return); |
173 | $fields = preg_split('/\s+/', array_shift($rows)); |
174 | if (array_shift($fields) == 'timestamp') { |
175 | $fresult[0] = $fields; |
176 | foreach ($rows as $row) { |
177 | if (strlen(trim($row))) { |
178 | $rvals = preg_split('/\s+/', $row); |
179 | $rtime = array_shift($rvals); |
180 | $rv_array = array(); |
181 | foreach ($rvals as $key=>$rval) { |
182 | $rv_array[$fields[$key]] = ($rval=='nan')?null:floatval($rval); |
183 | } |
184 | $fresult[$rtime] = $rv_array; |
185 | } |
186 | } |
187 | } |
188 | } |
189 | return $fresult; |
190 | } |
b7878f4d |
191 | |
2c30ff69 |
192 | function graph($timeframe = 'day', $sub = null, $extra = null) { |
a039a75c |
193 | // create a RRD graph |
194 | static $gColors; |
b7878f4d |
195 | if (!isset($gColors)) { |
196 | $gColors = array('#00CC00','#0000FF','#000000','#FF0000','#00FF00','#FFFF00','#FF00FF','#00FFFF','#808080','#800000','#008000','#000080','#808000','#800080','#008080','#C0C0C0'); |
197 | } |
198 | |
a039a75c |
199 | if (!in_array($this->status, array('ok','readonly'))) { trigger_error('Error: rrd status is '.$this->status, E_USER_WARNING); return false; } |
200 | |
201 | // assemble configuration |
202 | $gconf = $this->config_graph; |
2c30ff69 |
203 | if (!is_null($sub) && is_array($this->config_raw['graph.'.$sub])) { |
204 | if (is_array($gconf)) { $gconf = array_merge($gconf, $this->config_raw['graph.'.$sub]); } |
205 | else { $gconf = $this->config_raw['graph.'.$sub]; } |
a039a75c |
206 | } |
207 | if (is_array($extra)) { |
208 | if (is_array($gconf)) { $gconf = array_merge($gconf, $extra); } |
209 | else { $gconf = $extra; } |
210 | } |
211 | |
212 | if (isset($gconf['format']) && ($gconf['format'] == 'SVG')) { |
213 | $format = $gconf['format']; $fmt_ext = '.svg'; |
214 | } |
215 | elseif (isset($gconf['format']) && ($gconf['format'] == 'EPS')) { |
216 | $format = $gconf['format']; $fmt_ext = '.eps'; |
217 | } |
218 | elseif (isset($gconf['format']) && ($gconf['format'] == 'PDF')) { |
219 | $format = $gconf['format']; $fmt_ext = '.pdf'; |
220 | } |
221 | else { |
222 | $format = 'PNG'; $fmt_ext = '.png'; |
223 | } |
224 | |
225 | if (isset($gconf['filename'])) { $fname = $gconf['filename']; } |
2c30ff69 |
226 | else { $fname = str_replace('.rrd', (is_null($sub)?'':'-%s').'-%t%f', $this->rrd_file); } |
227 | $fname = str_replace('%s', strval($sub), $fname); |
a039a75c |
228 | $fname = str_replace('%t', $timeframe, $fname); |
229 | $fname = str_replace('%f', $fmt_ext, $fname); |
230 | if (substr($fname, -strlen($fmt_ext)) != $fmt_ext) { $fname .= $fmt_ext; } |
b7878f4d |
231 | |
b7878f4d |
232 | $graphrows = array(); $gC = 0; |
4ba56977 |
233 | $gDefs = ''; $gGraphs = ''; $addSpecial = ''; |
234 | |
235 | if ($timeframe == 'day') { |
a039a75c |
236 | $duration = isset($gconf['duration'])?$gconf['duration']:30*3600; // 30 hours |
237 | $slice = isset($gconf['slice'])?$gconf['slice']:300; // 5 minutes |
4ba56977 |
238 | // vertical lines at day borders |
239 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d')).'#FF0000'; |
240 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' -1 day').'#FF0000'; |
a039a75c |
241 | if (!isset($gconf['grid_x'])) { $gconf['grid_x'] = 'HOUR:1:HOUR:6:HOUR:2:0:%-H'; } |
4ba56977 |
242 | } |
243 | elseif ($timeframe == 'week') { |
a039a75c |
244 | $duration = isset($gconf['duration'])?$gconf['duration']:8*86400; // 8 days |
245 | $slice = isset($gconf['slice'])?$gconf['slice']:1800; // 30 minutes |
4ba56977 |
246 | // vertical lines at week borders |
247 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' '.(-date('w')+1).' day').'#FF0000'; |
248 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' '.(-date('w')-6).' day').'#FF0000'; |
249 | } |
250 | elseif ($timeframe == 'month') { |
a039a75c |
251 | $duration = isset($gconf['duration'])?$gconf['duration']:36*86400; // 36 days |
252 | $slice = isset($gconf['slice'])?$gconf['slice']:7200; // 2 hours |
4ba56977 |
253 | // vertical lines at month borders |
254 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-01')).'#FF0000'; |
255 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-01').' -1 month').'#FF0000'; |
256 | } |
257 | elseif ($timeframe == 'year') { |
a039a75c |
258 | $duration = isset($gconf['duration'])?$gconf['duration']:396*86400; // 365+31 days |
259 | $slice = isset($gconf['slice'])?$gconf['slice']:86400; // 1 day |
4ba56977 |
260 | // vertical lines at month borders |
261 | $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01')).'#FF0000'; |
262 | $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01').' -1 year').'#FF0000'; |
263 | } |
264 | else { |
a039a75c |
265 | $duration = isset($gconf['duration'])?$gconf['duration']:$this->rrd_step*500; // 500 steps |
266 | $slice = isset($gconf['slice'])?$gconf['slice']:$this->rrd_step; // whatever our step is |
4ba56977 |
267 | } |
268 | |
a039a75c |
269 | if (isset($gconf['rows']) && count($gconf['rows'])) { |
270 | foreach ($gconf['rows'] as $erow) { |
b7878f4d |
271 | if (isset($erow['name']) && strlen($erow['name'])) { |
a039a75c |
272 | if (!isset($erow['scale']) && isset($gconf['scale'])) { $erow['scale'] = $gconf['scale']; } |
b7878f4d |
273 | $grow = array(); |
274 | $grow['dType'] = isset($erow['dType'])?$erow['dType']:'DEF'; |
5f42eda6 |
275 | $grow['name'] = $erow['name'].(isset($erow['scale'])?'_tmp':''); |
16cc643c |
276 | if ($grow['dType'] == 'DEF') { |
277 | $grow['dsname'] = isset($erow['dsname'])?$erow['dsname']:$erow['name']; |
278 | $grow['cf'] = isset($erow['cf'])?$erow['cf']:'AVERAGE'; |
279 | } |
280 | else { |
281 | $grow['rpn_expr'] = isset($erow['rpn_expr'])?$erow['rpn_expr']:'0'; |
282 | } |
5f42eda6 |
283 | if (isset($erow['scale'])) { |
284 | $graphrows[] = $grow; |
285 | $grow = array(); |
286 | $grow['dType'] = 'CDEF'; |
287 | $grow['name'] = $erow['name']; |
288 | $grow['rpn_expr'] = $erow['name'].'_tmp,'.$erow['scale'].',*'; |
289 | } |
b7878f4d |
290 | $grow['gType'] = isset($erow['gType'])?$erow['gType']:'LINE1'; |
291 | $grow['color'] = isset($erow['color'])?$erow['color']:$gColors[$gC++]; |
292 | if ($gC >= count($gColors)) { $gC = 0; } |
4ba56977 |
293 | if (isset($erow['legend'])) { |
294 | $grow['legend'] = $erow['legend']; |
a039a75c |
295 | if (!isset($gconf['show_legend'])) { $gconf['show_legend'] = true; } |
4ba56977 |
296 | } |
b7878f4d |
297 | if (isset($erow['stack'])) { $grow['stack'] = ($erow['stack'] == true); } |
298 | $graphrows[] = $grow; |
299 | } |
300 | } |
301 | } |
302 | else { |
303 | foreach ($this->rrd_fields as $ds) { |
304 | $grow = array(); |
305 | $grow['dType'] = 'DEF'; |
a039a75c |
306 | $grow['name'] = $ds['name'].(isset($gconf['scale'])?'_tmp':''); |
b7878f4d |
307 | $grow['dsname'] = $ds['name']; |
308 | $grow['cf'] = 'AVERAGE'; |
a039a75c |
309 | if (isset($gconf['scale'])) { |
5f42eda6 |
310 | $graphrows[] = $grow; |
311 | $grow = array(); |
312 | $grow['dType'] = 'CDEF'; |
313 | $grow['name'] = $ds['name']; |
a039a75c |
314 | $grow['rpn_expr'] = $ds['name'].'_tmp,'.$gconf['scale'].',*'; |
5f42eda6 |
315 | } |
b7878f4d |
316 | $grow['gType'] = ($ds['name']=='ds0')?'AREA':'LINE1'; |
317 | $grow['color'] = $gColors[$gC++]; if ($gC >= count($gColors)) { $gC = 0; } |
318 | $graphrows[] = $grow; |
319 | } |
320 | } |
321 | |
16cc643c |
322 | if (isset($gconf['special']) && count($gconf['special'])) { |
323 | foreach ($gconf['special'] as $crow) { |
324 | $srow = array(); |
325 | $srow['sType'] = isset($crow['sType'])?$crow['sType']:'COMMENT'; |
326 | if ($grow['sType'] != 'COMMENT') { |
327 | // XXX: use line below and remove cf var once we have rrdtol 1.2 |
328 | // $srow['name'] = $crow['name'].(isset($crow['cf'])?'_'.$crow['cf']:''); |
329 | $srow['name'] = $crow['name']; |
330 | $srow['cf'] = isset($crow['cf'])?$crow['cf']:'AVERAGE'; |
331 | if (isset($crow['cf'])) { |
332 | // XXX: use line below once we have rrdtol 1.2 |
333 | // $graphrows[] = array('dType'=>'VDEF', 'name'=>$srow['name'].'_'.$crow['cf'], 'rpn_expr'=>$srow['name'].','.$crow['cf']); |
334 | } |
335 | elseif (isset($crow['rpn_expr'])) { |
336 | // XXX: does only work with rrdtool 1.2 |
337 | $graphrows[] = array('dType'=>'VDEF', 'name'=>$srow['name'], 'rpn_expr'=>$crow['rpn_expr']); |
338 | } |
339 | } |
340 | $srow['text'] = isset($crow['text'])?$crow['text']:''; |
341 | $specialrows[] = $srow; |
342 | } |
343 | } |
344 | else { |
345 | foreach ($graphrows as $grow) { |
346 | if (isset($grow['gType']) && strlen($grow['gType'])) { |
347 | $textprefix = isset($grow['legend'])?$grow['legend']:$grow['name']; |
348 | // XXX: use lines below once we have rrdtol 1.2 |
349 | // $graphrows[] = array('dType'=>'VDEF', 'name'=>$grow['name'].'_last', 'rpn_expr'=>$grow['name'].',LAST'); |
350 | // $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'].'_last', 'text'=>'%3.2lf%s'); |
351 | $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'MAX', 'text'=>$textprefix.'|Maximum|%.2lf%s'); |
352 | $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'AVERAGE', 'text'=>$textprefix.'|Average|%.2lf%s'); |
353 | $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'LAST', 'text'=>$textprefix.'|Current|%.2lf%s'); |
354 | } |
355 | } |
356 | } |
357 | |
a039a75c |
358 | $endtime = isset($gconf['time_end'])?$gconf['time_end']:(is_numeric($this->last_update())?$this->last_update():time()); |
359 | $gOpts = ' --start '.($endtime-$duration).' --end '.$endtime.' --step '.$slice; |
360 | if (isset($gconf['label_top'])) { $gOpts .= ' --title '.$this->text_quote($gconf['label_top']); } |
361 | if (isset($gconf['label_y'])) { $gOpts .= ' --vertical-label '.$this->text_quote($gconf['label_y']); } |
362 | if (isset($gconf['width'])) { $gOpts .= ' --width '.$gconf['width']; } |
363 | if (isset($gconf['height'])) { $gOpts .= ' --height '.$gconf['height']; |
364 | if (($gconf['height'] <= 32) && isset($gconf['thumb']) && ($gconf['thumb'])) { $gOpts .= ' --only-graph'; } |
4ba56977 |
365 | } |
a039a75c |
366 | if (!isset($gconf['show_legend']) || (!$gconf['show_legend'])) { $gOpts .= ' --no-legend'; } |
367 | if (isset($gconf['min_y'])) { $gOpts .= ' --lower-limit '.$gconf['min_y']; } |
368 | if (isset($gconf['max_y'])) { $gOpts .= ' --upper-limit '.$gconf['max_y']; } |
369 | if (isset($gconf['fix_scale_y']) && $gconf['fix_scale_y']) { $gOpts .= ' --rigid'; } |
370 | if (isset($gconf['grid_x'])) { $gOpts .= ' --x-grid '.$gconf['grid_x']; } |
371 | if (isset($gconf['grid_y'])) { $gOpts .= ' --y-grid '.$gconf['grid_y']; } |
372 | if (isset($gconf['units_exponent'])) { $gOpts .= ' --units-exponent '.$gconf['units_exponent']; } |
373 | if (isset($gconf['units_length'])) { $gOpts .= ' --units-length '.$gconf['units_length']; } |
374 | if (!isset($gconf['force_recreate']) || (!$gconf['force_recreate'])) { $gOpts .= ' --lazy'; } |
375 | if (isset($gconf['force_color']) && is_array($gconf['force_color'])) { |
376 | foreach ($gconf['force_color'] as $ctag=>$cval) { $gOpts .= ' --color '.$ctag.$cval; } |
4ba56977 |
377 | } |
a039a75c |
378 | if (isset($gconf['force_font']) && is_array($gconf['force_font'])) { |
379 | foreach ($gconf['force_font'] as $ctag=>$cval) { $gOpts .= ' --font '.$ctag.$cval; } |
4ba56977 |
380 | } |
a039a75c |
381 | if (isset($gconf['units_binary']) && $gconf['units_binary']) { $gOpts .= ' --base 1024'; } |
4ba56977 |
382 | |
b7878f4d |
383 | foreach ($graphrows as $grow) { |
4ba56977 |
384 | if (isset($grow['dType']) && strlen($grow['dType'])) { |
385 | $gDefs .= ' '.$grow['dType'].':'.$grow['name'].'='; |
386 | $gDefs .= ($grow['dType']=='DEF')?$this->rrd_file.':'.$grow['dsname'].':'.$grow['cf']:$grow['rpn_expr']; |
387 | } |
388 | if (isset($grow['gType']) && strlen($grow['gType'])) { |
16cc643c |
389 | // XXX: change from STACK type to STACK flag once we have rrdtool 1.2 |
4ba56977 |
390 | if (isset($grow['stack']) && $grow['stack']) { $grow['gType'] = 'STACK'; } |
391 | $gGraphs .= ' '.$grow['gType'].':'.$grow['name'].$grow['color']; |
392 | if (isset($grow['legend'])) { $gGraphs .= ':'.$this->text_quote($grow['legend']); } |
16cc643c |
393 | // XXX: remove above STACK if-command and uncomment the one below once we have rrdtool 1.2 |
4ba56977 |
394 | //if (isset($grow['stack']) && $grow['stack']) { $gGraphs .= ':STACK'; } |
395 | } |
b7878f4d |
396 | } |
397 | |
16cc643c |
398 | foreach ($specialrows as $srow) { |
399 | $addSpecial .= ' '.$srow['sType']; |
400 | // XXX: eliminate cf once we have rrdtool 1.2 |
401 | // $addSpecial .= ($grow['sType']!='COMMENT')?':'.$grow['name']:''); |
402 | $addSpecial .= (($srow['sType']!='COMMENT')?':'.$srow['name'].':'.$srow['cf']:''); |
403 | $addSpecial .= ':'.$this->text_quote($srow['text']); |
404 | } |
405 | |
5f42eda6 |
406 | $graph_cmd = 'rrdtool graph '.str_replace('*', '\*', $fname.$gOpts.$gDefs.$gGraphs.$addSpecial); |
b7878f4d |
407 | $return = `$graph_cmd 2>&1`; |
408 | |
b7878f4d |
409 | if (strpos($return, 'ERROR') !== false) { |
410 | trigger_error('rrd graph error: '.$return, E_USER_WARNING); |
16cc643c |
411 | $return = $graph_cmd."\n\n".$return; |
b7878f4d |
412 | } |
a039a75c |
413 | return $return; |
b7878f4d |
414 | } |
415 | |
2c30ff69 |
416 | function simple_html($sub = null, $page_extras = null, $graph_extras = null) { |
b7878f4d |
417 | // create a simple (MRTG-like) HTML page and return it in a string |
418 | $basename = str_replace('.rrd', '', $this->rrd_file); |
a039a75c |
419 | |
420 | // assemble configuration |
421 | $pconf = $this->config_page; |
2c30ff69 |
422 | if (!is_null($sub) && is_array($this->config_raw['page.'.$sub])) { |
423 | if (is_array($pconf)) { $gconf = array_merge($pconf, $this->config_raw['page.'.$sub]); } |
424 | else { $pconf = $this->config_raw['page.'.$sub]; } |
425 | } |
a039a75c |
426 | if (is_array($page_extras)) { |
427 | if (is_array($pconf)) { $pconf = array_merge($pconf, $page_extras); } |
428 | else { $pconf = $page_extras; } |
429 | } |
430 | |
2c30ff69 |
431 | $ptitle = isset($pconf['title_page'])?$pconf['title_page']:$basename.' - RRD statistics'; |
16cc643c |
432 | $gtitle = array(); |
2c30ff69 |
433 | $gtitle['day'] = isset($pconf['title_day'])?$pconf['title_day']:'Day overview (scaling 5 minutes)'; |
434 | $gtitle['week'] = isset($pconf['title_week'])?$pconf['title_week']:'Week overview (scaling 30 minutes)'; |
435 | $gtitle['month'] = isset($pconf['title_month'])?$pconf['title_month']:'Month overview (scaling 2 hours)'; |
436 | $gtitle['year'] = isset($pconf['title_year'])?$pconf['title_year']:'Year overview (scaling 1 day)'; |
b7878f4d |
437 | |
16cc643c |
438 | $out = '<html><head>'; |
439 | $out .= '<title>'.$ptitle.'</title>'; |
440 | $out .= '<style>'; |
441 | if (isset($pconf['style_base'])) { $out .= $pconf['style_base']; } |
442 | else { |
443 | $out .= 'h1 { font-weight: bold; font-size: 1.5em; }'; |
444 | $out .= 'h2 { font-weight: bold; font-size: 1em; }'; |
445 | $out .= '.gdata, .gvar, .ginfo { font-size: 0.75em; margin: 0.5em 0; }'; |
446 | $out .= 'table.gdata { border: 1px solid gray; border-collapse: collapse; }'; |
447 | $out .= 'table.gdata td, table.gdata th { border: 1px solid gray; padding: 0.1em 0.2em; }'; |
448 | } |
449 | if (isset($pconf['style'])) { $out .= $pconf['style']; } |
450 | $out .= '</style>'; |
451 | $out .= '</head>'; |
452 | $out .= '<body>'; |
453 | |
454 | $out .= '<h1>'.$ptitle.'</h1>'; |
2c30ff69 |
455 | if (!isset($pconf['show_update']) || $pconf['show_update']) { |
456 | $out .= '<p class="last_up">Last Update: '.date('Y-m-d H:i:s', $this->last_update()).'</p>'; |
457 | } |
4ba56977 |
458 | |
b7878f4d |
459 | if (in_array($this->status, array('ok','readonly'))) { |
2c30ff69 |
460 | $g_sub = isset($pconf['graph_sub'])?$pconf['graph_sub']:null; |
b7878f4d |
461 | foreach (array('day','week','month','year') as $tframe) { |
2c30ff69 |
462 | $ret = $this->graph($tframe, $g_sub, $graph_extras); |
16cc643c |
463 | if (strpos($ret, "\n\n") !== false) { $graph_cmd = substr($ret, 0, strpos($ret, "\n\n")); $ret = substr($ret, strpos($ret, "\n\n")+2); } |
464 | else { $graph_cmd = null; } |
465 | $grout = explode("\n",$ret); |
466 | $gmeta = array(); |
467 | foreach ($grout as $gline) { |
468 | if (preg_match('/^(\d+)x(\d+)$/', $gline, $regs)) { |
469 | $gmeta['width'] = $regs[1]; $gmeta['height'] = $regs[2]; |
470 | } |
471 | elseif (preg_match('/^([^\|]+)\|([^|]+)\|([^\|]*)$/', $gline, $regs)) { |
472 | $gmeta['data'][$regs[1]][$regs[2]] = $regs[3]; |
473 | } |
474 | elseif (preg_match('/^([^\|]+)\|([^\|]*)$/', $gline, $regs)) { |
475 | $gmeta['var'][$regs[1]] = $regs[2]; |
476 | } |
477 | elseif (strlen(trim($gline))) { |
478 | $gmeta['info'][] = $gline; |
479 | } |
480 | } |
481 | $out .= '<div class="'.$tframe.'">'; |
b25db622 |
482 | // $out .= '<p>'.nl2br($ret).'</p>'; |
16cc643c |
483 | $out .= '<h2>'.$gtitle[$tframe].'</h2>'; |
2c30ff69 |
484 | $out .= '<img src="'.$basename.(!is_null($g_sub)?'-'.$g_sub:'').'-'.$tframe.'.png"'; |
485 | $out .= ' alt="'.$basename.(!is_null($g_sub)?' - '.$g_sub:'').' - '.$tframe.'" class="rrdgraph"'; |
16cc643c |
486 | $out .= ' style="width:'.$gmeta['width'].'px;height:'.$gmeta['height'].'px;">'; |
487 | if (isset($gmeta['data']) && count($gmeta['data'])) { |
488 | $out .= '<table class="gdata">'; |
489 | foreach ($gmeta['data'] as $field=>$gdata) { |
490 | $out .= '<tr><th>'.$field.'</th>'; |
491 | foreach ($gdata as $gkey=>$gval) { |
492 | $out .= '<td><span class="gkey">'.$gkey.': </span>'.$gval.'</td>'; |
493 | } |
494 | $out .= '</tr>'; |
495 | } |
496 | $out .= '</table>'; |
497 | } |
498 | if (isset($gmeta['var']) && count($gmeta['var'])) { |
499 | foreach ($gmeta['var'] as $gkey=>$gval) { |
500 | $out .= '<p class="gvar"><span class="gkey">'.$gkey.': </span>'.$gval.'</p>'; |
501 | } |
502 | } |
503 | if (isset($gmeta['info']) && count($gmeta['info'])) { |
504 | foreach ($gmeta['info'] as $gval) { |
505 | $out .= '<p class="ginfo">'.$gval.'</p>'; |
506 | } |
507 | } |
b7878f4d |
508 | } |
509 | } |
510 | else { |
511 | $out .= 'RRD error: status is "'.$this->status.'"'; |
512 | } |
16cc643c |
513 | $out .= '</div>'; |
b7878f4d |
514 | |
16cc643c |
515 | $out .= '</body></html>'; |
b7878f4d |
516 | return $out; |
517 | } |
518 | |
4ba56977 |
519 | function last_update() { |
520 | // fetch time of last update in this RRD file |
521 | static $last_update; |
522 | if (!isset($last_update) && in_array($this->status, array('ok','readonly'))) { |
523 | $last_cmd = 'rrdtool last '.$this->rrd_file; |
524 | $return = trim(`$last_cmd 2>&1`); |
525 | $last_update = is_numeric($return)?$return:null; |
526 | } |
527 | return isset($last_update)?$last_update:null; |
528 | } |
529 | |
b7878f4d |
530 | function text_quote($text) { return '"'.str_replace('"', '\"', str_replace(':', '\:', $text)).'"'; } |
531 | } |
532 | ?> |