KaiRo.at git - public - php-utility-classes.git/blob - include/classes/rrdstat.php-class

1 <?php

2 /* ***** BEGIN LICENSE BLOCK *****

3 *

4 * The contents of this file are subject to Austrian copyright reegulations

5 * ("Urheberrecht"); you may not use this file except in compliance with

6 * those laws.

7 * This contents and any derived work, if it gets distributed in any way,

8 * is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,

9 * either express or implied.

10 *

11 * The Original Code is KaiRo's RRD statistics class.

12 *

13 * The Initial Developer of the Original Code is

14 * KaiRo - Robert Kaiser.

17 *

18 * Contributor(s): Robert Kaiser <kairo@kairo.at>

19 *

20 * ***** END LICENSE BLOCK ***** */

21

22 class rrdstat {

23 // rrdstat PHP class

24 // rrdtool statistics functions

25 //

26 // function __construct($rrdconfig, [$conf_id])

27 // CONSTRUCTOR

28 // if $conf_id is set, $rrdconfig is a total configuration set

29 // else it's the configuration for this one RRD

30 // currently only a config array is supported, XML config is planned

31 //

32 // private $rrd_file

33 // RRD file name

34 //

35 // private $basename

36 // base name for this RRD (usually file name without .rrd)

37 //

38 // private $basedir

39 // base directory for this RRD (with a trailing slash)

40 // note that $rrd_file usually includes that path as well, but graph directory gets based on this value

41 //

42 // private $config_all

43 // complete, raw configuration array set

44 //

45 // private $config_raw

46 // configuration array set for current RRD

47 //

48 // private $config_graph

49 // configuration array set for default graph in this RRD

50 //

51 // private $config_page

52 // configuration array set for default page in this RRD

53 //

54 // private $rrd_fields

55 // definition of this RRD's fields

56 //

57 // private $rra_base

58 // definition of this RRD's base RRAs

59 //

60 // private $rrd_step

61 // basic stepping of this RRD in seconds (default: 300)

62 //

63 // private $rra_add_max

64 // should RRAs for MAX be added for every base RRA? (bool, default: true)

65 //

66 // private $status

67 // status of the RRD (unused/ok/readonly/graphonly)

68 // note that most functions require certain status values

69 // (e.g. update only works if status is ok, graph for ok/readonly/graphonly)

70 //

71 // private $mod_textdomain

72 // GNU gettext domain for this module

73 //

74 // private function set_def($rrdconfig, [$conf_id])

75 // set definitions based on given configuration

76 // [intended for internal use, called by the constructor]

77 //

78 // public function rrd_version() {

79 // get RRDtool version string

80 //

81 // public function create()

82 // create RRD file according to set config

83 //

84 // public function update([$upArray])

85 // feed new data into RRD (either use given array of values or use auto-update info from config)

86 //

87 // public function fetch([$cf] = 'AVERAGE', $resolution = null, $start = null, $end = null)

88 // fetch data from the defined RRD

89 // using given consolidation function [default is AVERAGE],

90 // resolution (seconds, default is the RRD's stepping),

91 // start and end times (unix epoch, defaults are the RRD's last update time)

92 //

93 // public function last_update()

94 // fetch time of last update in this RRD file

95 //

96 // public function graph([$timeframe], [$sub], [$extra])

97 // create a RRD graph (and return all meta info in a flat string)

98 // for given timeframe (day [default]/week/month/year),

99 // sub-graph ID (if given) and extra config options (if given)

100 //

101 // public function graph_plus([$timeframe], [$sub], [$extra])

102 // create a RRD graph (see above) and return meta info as a ready-to-use array

103 //

104 // public function page([$sub], [$page_extras], [$graph_extras])

105 // create a (HTML) page and return it in a string

106 // for given sub-page ID (if given, default is a simple HTML page)

107 // and extra page and graph config options (if given)

108 //

109 // public function simple_html([$sub], [$page_extras], [$graph_extras])

110 // create a simple (MRTG-like) HTML page and return it in a string

111 // XXX: this is here temporarily for compat only, it's preferred to use page()!

112 //

113 // private function page_index($pconf)

114 // create a bare, very simple index list HTML page and return it in a string

115 // using given page config options

116 // [intended for internal use, called by page()]

117 //

118 // private function page_overview($pconf, [$graph_extras])

119 // create an overview HTML page (including graphs) and return it in a string

120 // using given page config options and extra graph options (if given)

121 // [intended for internal use, called by page()]

122 //

123 // private function page_simple($pconf, [$graph_extras])

124 // create a simple (MRTG-like) HTML page and return it in a string

125 // using given page config options and extra graph options (if given)

126 // [intended for internal use, called by page()]

127 //

128 // private function h_page_statsArray($pconf)

129 // return array of stats to list on a page, using given page config options

130 // [intended for internal use, called by page_*()]

131 //

132 // private function h_page_footer()

133 // return generic page footer

134 // [intended for internal use, called by page_*()]

135 //

136 // private function text_quote($text)

137 // return a quoted/escaped text for use in rrdtool commandline text fields

138

139 private $rrd_file = null;

140 private $basename = null;

141 private $basedir = null;

142

143 private $config_all = null;

144 private $config_raw = null;

145 private $config_graph = null;

146 private $config_page = null;

147

148 private $rrd_fields = array();

149 private $rra_base = array();

150 private $rrd_step = 300;

151 private $rra_add_max = true;

152

153 private $status = 'unused';

154

155 private $mod_textdomain;

156

157 function __construct($rrdconfig, $conf_id = null) {

158 // ***** init RRD stat module *****

159 $this->mod_textdomain = 'class_rrdstat';

160 $mod_charset = 'iso-8859-15';

161

162 bindtextdomain($this->mod_textdomain, class_exists('baseutils')?baseutils::getDir('locale'):'locale/');

163 bind_textdomain_codeset($this->mod_textdomain, $mod_charset);

164

165 $this->set_def($rrdconfig, $conf_id);

166

167 if (($this->status == 'unused') && !is_null($this->rrd_file)) {

168 if (!is_writeable($this->rrd_file)) {

169 if (!file_exists($this->rrd_file)) {

170 if (@touch($this->rrd_file)) { $this->create(); }

171 else { trigger_error('RRD file can not be created', E_USER_WARNING); }

172 }

173 else {

174 if (is_readable($this->rrd_file)) { $this->status = 'readonly'; }

175 else { trigger_error('RRD file is not readable', E_USER_WARNING); }

176 }

177 }

178 else {

179 $this->status = 'ok';

180 }

181 }

182 }

183

184 private function set_def($rrdconfig, $conf_id = null) {

185 if (is_array($rrdconfig)) {

186 // we have an array in the format we like to have

187 $complete_conf =& $rrdconfig;

188 }

189 else {

190 // we have something else (XML data?), try to generate the iinfo aray from it

191 $complete_conf =& $rrdconfig;

192 }

193

194 if (!is_null($conf_id)) {

195 $iinfo = isset($complete_conf[$conf_id])?$complete_conf[$conf_id]:array();

196 if (isset($complete_conf['*'])) {

197 $iinfo = (array)$iinfo + (array)$complete_conf['*'];

198 if (isset($complete_conf['*']['graph'])) {

199 $iinfo['graph'] = (array)$iinfo['graph'] + (array)$complete_conf['*']['graph'];

200 }

201 if (isset($complete_conf['*']['page'])) {

202 $iinfo['page'] = (array)$iinfo['page'] + (array)$complete_conf['*']['page'];

203 }

204 }

205 }

206 else {

207 $iinfo = $complete_conf;

208 }

209

210 if (isset($iinfo['path']) && strlen($iinfo['path'])) {

211 $this->basedir = $iinfo['path'];

212 if (substr($this->basedir, -1) != '/') { $this->basedir .= '/'; }

213 }

214

215 if (isset($iinfo['graph-only']) && $iinfo['graph-only'] && !is_null($conf_id)) {

216 $this->basename = $conf_id;

217 $this->status = 'graphonly';

218 }

219 elseif (isset($iinfo['file'])) {

220 $this->rrd_file = (($iinfo['file']{0} != '/')?$this->basedir:'').$iinfo['file'];

221 $this->basename = basename((substr($this->rrd_file, -4) == '.rrd')?substr($this->rrd_file, 0, -4):$this->rrd_file);

222 }

223 elseif (!is_null($conf_id) && file_exists($conf_id.'.rrd')) {

224 $this->rrd_file = (($iinfo['file']{0} != '/')?$this->basedir:'').$conf_id.'.rrd';

225 $this->basename = $conf_id;

226 }

227 else {

228 $this->basename = !is_null($conf_id)?$conf_id:'xxx.unknown';

229 }

230

231 if (!is_null($this->rrd_file)) {

232 // fields (data sources, DS)

233 // name - DS name

234 // type - one of COUNTER, GAUGE, DERIVE, ABSOLUTE

235 // heartbeat - if no sample recieved for that time, store UNKNOWN

236 // min - U (unconstrained) or minimum value

237 // max - U (unconstrained) or maximum value

238 // update - this string will be fed into eval() for updating this field

239 if (isset($iinfo['fields']) && is_array($iinfo['fields'])) {

240 $this->rrd_fields = $iinfo['fields'];

241 }

242 else {

243 $this->rrd_fields[] = array('name' => 'ds0', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U');

244 $this->rrd_fields[] = array('name' => 'ds1', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U');

245 }

246

247

248 // MRTG-style RRD "database", see http://oss.oetiker.ch/rrdtool/tut/rrdtutorial.en.html

249 //

250 // archives (RRAs):

251 // 600 samples of 5 minutes (2 days and 2 hours)

252 // 700 samples of 30 minutes (2 days and 2 hours, plus 12.5 days)

253 // 775 samples of 2 hours (above + 50 days)

254 // 797 samples of 1 day (above + 732 days, rounded up to 797)

255

256 $this->rrd_step = isset($iinfo['rrd_step'])?$iinfo['rrd_step']:300;

257

258 if (isset($iinfo['rra_base']) && is_array($iinfo['rra_base'])) {

259 $this->rra_base = $iinfo['rra_base'];

260 }

261 else {

262 $this->rra_base[] = array('step' => 1, 'rows' => 600);

263 $this->rra_base[] = array('step' => 6, 'rows' => 700);

264 $this->rra_base[] = array('step' => 24, 'rows' => 775);

265 $this->rra_base[] = array('step' => 288, 'rows' => 797);

266 }

267

268 $this->rra_add_max = isset($iinfo['rra_add_max'])?$iinfo['rra_add_max']:true;

269 }

270

271 if (isset($iinfo['graph'])) { $this->config_graph = $iinfo['graph']; }

272 if (isset($iinfo['page'])) { $this->config_page = $iinfo['page']; }

273 $this->config_raw = $iinfo;

274 $this->config_all = $complete_conf;

275 }

276

277 public function rrd_version() {

278 // return RRDtool version

279 static $version;

280 if (!isset($version)) {

281 $create_cmd = 'rrdtool --version';

282 $return = `$create_cmd 2>&1`;

283 if (strpos($return, 'ERROR') !== false) {

284 trigger_error($this->rrd_file.' - rrd version error: '.$return, E_USER_WARNING);

285 }

286

287 if (preg_match('/^\s*RRDtool ([\d\.]+)\s+/', $return, $regs)) {

288 $version = $regs[1];

289 }

290 else {

291 $version = '0.0';

292 }

293 }

294 return $version;

295 }

296

297 public function create() {

298 // create RRD file

299

300 // compose create command

301 $create_cmd = 'rrdtool create '.$this->rrd_file.' --step '.$this->rrd_step;

302 foreach ($this->rrd_fields as $ds) {

303 if (!isset($ds['type'])) { $ds['type'] = 'COUNTER'; }

304 if (!isset($ds['heartbeat'])) { $ds['heartbeat'] = 2*$this->rrd_step; }

305 if (!isset($ds['min'])) { $ds['min'] = 'U'; }

306 if (!isset($ds['max'])) { $ds['max'] = 'U'; }

307 $create_cmd .= ' DS:'.$ds['name'].':'.$ds['type'].':'.$ds['heartbeat'].':'.$ds['min'].':'.$ds['max'];

308 }

309 foreach ($this->rra_base as $rra) {

310 if (!isset($rra['cf'])) { $rra['cf'] = 'AVERAGE'; }

311 if (!isset($rra['xff'])) { $rra['xff'] = 0.5; }

312 if (!isset($rra['step'])) { $rra['step'] = 1; }

313 if (!isset($rra['rows'])) { $rra['rows'] = 600; }

314 $create_cmd .= ' RRA:'.$rra['cf'].':'.$rra['xff'].':'.$rra['step'].':'.$rra['rows'];

315 }

316 if ($this->rra_add_max) {

317 foreach ($this->rra_base as $rra) {

318 if (!isset($rra['cf'])) {

319 // only rows that have no CF set will be looked at here

320 $rra['cf'] = 'MAX';

321 if (!isset($rra['xff'])) { $rra['xff'] = 0.5; }

322 if (!isset($rra['step'])) { $rra['step'] = 1; }

323 if (!isset($rra['rows'])) { $rra['rows'] = 600; }

324 $create_cmd .= ' RRA:'.$rra['cf'].':'.$rra['xff'].':'.$rra['step'].':'.$rra['rows'];

325 }

326 }

327 }

328 $return = `$create_cmd 2>&1`;

329 if (strpos($return, 'ERROR') !== false) {

330 trigger_error($this->rrd_file.' - rrd create error: '.$return, E_USER_WARNING);

331 }

332 else { $this->status = 'ok'; }

333 }

334

335 public function update($upArray = null) {

336 // feed new data into RRD

337 if ($this->status != 'ok') { trigger_error('Cannot update non-writeable file', E_USER_WARNING); return false; }

338 $upvals = array();

339 if (isset($this->config_raw['update'])) {

340 if (preg_match('/^\s*function\s+{(.*)}\s*$/is', $this->config_raw['update'], $regs)) {

341 $upfunc = create_function('', $regs[1]);

342 $upvals = $upfunc();

343 }

344 else {

345 $evalcode = $this->config_raw['update'];

346 if (!is_null($evalcode)) {

347 ob_start();

348 eval($evalcode);

349 $ret = ob_get_contents();

350 if (strlen($ret)) { $upvals = explode("\n", $ret); }

351 ob_end_clean();

352 }

353 }

354 }

355 else {

356 foreach ($this->rrd_fields as $ds) {

357 if (is_array($upArray) && isset($upArray[$ds['name']])) { $val = $upArray[$ds['name']]; }

358 elseif (isset($ds['update'])) {

359 $val = null; $evalcode = null;

360 if (substr($ds['update'], 0, 4) == 'val:') {

361 $evalcode = 'function { return trim('.substr($ds['update'], 4).')); }';

362 }

363 elseif (substr($ds['update'], 0, 8) == 'snmp-if:') {

364 $snmphost = 'localhost'; $snmpcomm = 'public';

365 list($nix, $ifname, $valtype) = explode(':', $ds['update'], 3);

366 $iflist = explode("\n", `snmpwalk -v2c -c $snmpcomm $snmphost interfaces.ifTable.ifEntry.ifDescr`);

367 $ifnr = null;

368 foreach ($iflist as $ifdesc) {

369 if (preg_match('/ifDescr\.(\d+) = STRING: '.$ifname.'/', $ifdesc, $regs)) { $ifnr = $regs[1]; }

370 }

371 $oid = null;

372 if ($valtype == 'in') { $oid = '1.3.6.1.2.1.2.2.1.10.'.$ifnr; }

373 elseif ($valtype == 'out') { $oid = '1.3.6.1.2.1.2.2.1.16.'.$ifnr; }

374 if (!is_null($ifnr) && !is_null($oid)) {

375 $evalcode = 'function { return trim(substr(strrchr(`snmpget -v2c -c '.$snmpcomm.' '.$snmphost.' '.$oid.'`,":"),1)); }';

376 }

377 }

378 else { $evalcode = $ds['update']; }

379 if (preg_match('/^\s*function\s+{(.*)}\s*$/is', $evalcode, $regs)) {

380 $upfunc = create_function('', $regs[1]);

381 $val = $upfunc();

382 }

383 elseif (!is_null($evalcode)) {

384 ob_start();

385 eval($evalcode);

386 $val = ob_get_contents();

387 ob_end_clean();

388 }

389 }

390 else { $val = null; }

391 $upvals[$ds['name']] = $val;

392 }

393 }

394 $key_names = (!is_numeric(array_shift(array_keys($upvals))));

395 if (in_array('L', $upvals, true)) {

396 // for at least one value, we need to set the same as the last recorded value

397 $fvals = $this->fetch();

398 $rowids = array_shift($fvals);

399 $lastvals = array_shift($fvals);

400 foreach (array_keys($upvals, 'L') as $akey) {

401 $upvals[$akey] = $key_names?$lastvals[$akey]:$lastvals[$rowids[$akey]];

402 }

403 }

404 $walkfunc = create_function('&$val,$key', '$val = is_numeric(trim($val))?trim($val):"U";');

405 array_walk($upvals, $walkfunc);

406 $return = null;

407 if (count($upvals)) {

408 $update_cmd = 'rrdtool update '.$this->rrd_file

409 .($key_names?' --template '.implode(':', array_keys($upvals)):'').' N:'.implode(':', $upvals);

410 $return = `$update_cmd 2>&1`;

411 }

412

413 if (strpos($return, 'ERROR') !== false) {

414 trigger_error($this->rrd_file.' - rrd update error: '.$return, E_USER_WARNING);

415 $success = false;

416 }

417 else { $success = true; }

418 return $success;

419 }

420

421 public function fetch($cf = 'AVERAGE', $resolution = null, $start = null, $end = null) {

422 // fetch data from a RRD

423 if (!in_array($this->status, array('ok','readonly'))) {

424 trigger_error('Error: rrd status is '.$this->status, E_USER_WARNING); return false;

425 }

426

427 if (!in_array($cf, array('AVERAGE','MIN','MAX','LAST'))) { $cf = 'AVERAGE'; }

428 if (!is_numeric($resolution)) { $resolution = $this->rrd_step; }

429 if (!is_numeric($end)) { $end = $this->last_update(); }

430 elseif ($end < 0) { $end += $this->last_update(); }

431 $end = intval($end/$resolution)*$resolution;

432 if (!is_numeric($start)) { $start = $end; }

433 elseif ($start < 0) { $start += $end; }

434 $start = intval($start/$resolution)*$resolution;

435

436 $fetch_cmd = 'rrdtool fetch '.$this->rrd_file.' '.$cf.' --resolution '.$resolution.' --start '.$start.' --end '.$end;

437 $return = `$fetch_cmd 2>&1`;

438

439 if (strpos($return, 'ERROR') !== false) {

440 trigger_error($this->rrd_file.' - rrd fetch error: '.$return, E_USER_WARNING);

441 $fresult = false;

442 }

443 else {

444 $fresult = array();

445 $rows = explode("\n", $return);

446 $fields = preg_split('/\s+/', array_shift($rows));

447 if (array_shift($fields) == 'timestamp') {

448 $fresult[0] = $fields;

449 foreach ($rows as $row) {

450 if (strlen(trim($row))) {

451 $rvals = preg_split('/\s+/', $row);

452 $rtime = str_replace(':', '', array_shift($rvals));

453 $rv_array = array();

454 foreach ($rvals as $key=>$rval) {

455 $rv_array[$fields[$key]] = ($rval=='nan')?null:floatval($rval);

456 }

457 $fresult[$rtime] = $rv_array;

458 }

459 }

460 }

461 }

462 return $fresult;

463 }

464

465 public function last_update() {

466 // fetch time of last update in this RRD file

467 static $last_update;

468 if (!isset($last_update) && in_array($this->status, array('ok','readonly'))) {

469 $last_cmd = 'rrdtool last '.$this->rrd_file;

470 $return = trim(`$last_cmd 2>&1`);

471 $last_update = is_numeric($return)?$return:null;

472 }

473 return isset($last_update)?$last_update:null;

474 }

475

476 public function graph($timeframe = 'day', $sub = null, $extra = null) {

477 // create a RRD graph

478 static $gColors;

479 if (!isset($gColors)) {

480 $gColors = array('#00CC00','#0000FF','#000000','#FF0000','#00FF00','#FFFF00','#FF00FF','#00FFFF',

481 '#808080','#800000','#008000','#000080','#808000','#800080','#008080','#C0C0C0');

482 }

483

484 if (!in_array($this->status, array('ok','readonly','graphonly'))) {

485 trigger_error('Error: rrd status is '.$this->status, E_USER_WARNING); return false;

486 }

487

488 // assemble configuration

489 $gconf = (array)$extra;

490 if (!is_null($sub) && is_array($this->config_raw['graph.'.$sub])) {

491 $gconf = $gconf + $this->config_raw['graph.'.$sub];

492 }

493 $gconf = $gconf + (array)$this->config_graph;

494

495 if (isset($gconf['format']) && ($gconf['format'] == 'SVG')) {

496 $format = $gconf['format']; $fmt_ext = '.svg';

497 }

498 elseif (isset($gconf['format']) && ($gconf['format'] == 'EPS')) {

499 $format = $gconf['format']; $fmt_ext = '.eps';

500 }

501 elseif (isset($gconf['format']) && ($gconf['format'] == 'PDF')) {

502 $format = $gconf['format']; $fmt_ext = '.pdf';

503 }

504 else {

505 $format = 'PNG'; $fmt_ext = '.png';

506 }

507

508 if (isset($gconf['filename'])) { $fname = $gconf['filename']; }

509 else { $fname = $this->basename.(is_null($sub)?'':'-%s').'-%t%f'; }

510 $fname = str_replace('%s', strval($sub), $fname);

511 $fname = str_replace('%t', $timeframe, $fname);

512 $fname = str_replace('%f', $fmt_ext, $fname);

513 if (substr($fname, -strlen($fmt_ext)) != $fmt_ext) { $fname .= $fmt_ext; }

514 if (isset($gconf['path']) && ($fname{0} != '/')) { $fname = $gconf['path'].'/'.$fname; }

515 if ($fname{0} != '/') { $fname = $this->basedir.$fname; }

516 $fname = str_replace('//', '/', $fname);

517

518 $graphrows = array(); $specialrows = array(); $gC = 0;

519 $gDefs = ''; $gGraphs = ''; $addSpecial = '';

520

521 // the default size for the graph area has a width of 400px, so use 400 slices by default

522 if ($timeframe == 'day') {

523 $slice = isset($gconf['slice'])?$gconf['slice']:300; // 5 minutes

524 $duration = isset($gconf['duration'])?$gconf['duration']:400*$slice; // 33.33 hours

525 // vertical lines at day borders

526 $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d')).'#FF0000';

527 $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' -1 day').'#FF0000';

528 if (!isset($gconf['grid_x'])) { $gconf['grid_x'] = 'HOUR:1:HOUR:6:HOUR:2:0:%-H'; }

529 }

530 elseif ($timeframe == 'week') {

531 $slice = isset($gconf['slice'])?$gconf['slice']:1800; // 30 minutes

532 $duration = isset($gconf['duration'])?$gconf['duration']:400*$slice; // 8.33 days

533 // vertical lines at week borders

534 $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' '.(-date('w')+1).' day').'#FF0000';

535 $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' '.(-date('w')-6).' day').'#FF0000';

536 }

537 elseif ($timeframe == 'month') {

538 $slice = isset($gconf['slice'])?$gconf['slice']:7200; // 2 hours

539 $duration = isset($gconf['duration'])?$gconf['duration']:400*$slice; // 33.33 days

540 // vertical lines at month borders

541 $addSpecial .= ' VRULE:'.strtotime(date('Y-m-01')).'#FF0000';

542 $addSpecial .= ' VRULE:'.strtotime(date('Y-m-01').' -1 month').'#FF0000';

543 }

544 elseif ($timeframe == 'year') {

545 $slice = isset($gconf['slice'])?$gconf['slice']:86400; // 1 day

546 $duration = isset($gconf['duration'])?$gconf['duration']:400*$slice; // 400 days

547 // vertical lines at month borders

548 $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01 12:00:00')).'#FF0000';

549 $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01 12:00:00').' -1 year').'#FF0000';

550 }

551 else {

552 $duration = isset($gconf['duration'])?$gconf['duration']:$this->rrd_step*500; // 500 steps

553 $slice = isset($gconf['slice'])?$gconf['slice']:$this->rrd_step; // whatever our step is

554 }

555

556 $use_gcrows = (isset($gconf['rows']) && count($gconf['rows']));

557 if ($use_gcrows) { $grow_def =& $gconf['rows']; }

558 else { $grow_def =& $this->rrd_fields; }

559 foreach ($grow_def as $key=>$erow) {

560 if (isset($erow['name']) && strlen($erow['name'])) {

561 if (!isset($erow['scale']) && isset($gconf['scale'])) { $erow['scale'] = $gconf['scale']; }

562 if (!isset($erow['scale_time_src']) && isset($gconf['scale_time_src'])) {

563 $erow['scale_time_src'] = $gconf['scale_time_src'];

564 }

565 if (!isset($erow['scale_time_tgt']) && isset($gconf['scale_time_tgt'])) {

566 $erow['scale_time_tgt'] = $gconf['scale_time_tgt'];

567 }

568 foreach (array('scale_time_src','scale_time_tgt') as $st) {

569 if (!isset($erow[$st]) || !is_numeric($erow[$st])) {

570 switch (@$erow[$st]) {

571 case 'dyn':

572 case 'auto':

573 $erow[$st] = $slice;

574 break;

575 case 'day':

576 $erow[$st] = 24*3600;

577 break;

578 case '2hr':

579 case '2hours':

580 $erow[$st] = 7200;

581 break;

582 case 'hr':

583 case 'hour':

584 $erow[$st] = 3600;

585 break;

586 case '30min':

587 $erow[$st] = 1800;

588 break;

589 case '5min':

590 $erow[$st] = 300;

591 break;

592 case 'min':

593 $erow[$st] = 60;

594 break;

595 case 's':

596 case 'sec':

597 default:

598 $erow[$st] = 1;

599 break;

600 }

601 }

602 }

603 $scale_time_factor = $erow['scale_time_tgt']/$erow['scale_time_src'];

604 if ($scale_time_factor != 1) { $erow['scale'] = (isset($erow['scale'])?$erow['scale']:1)*$scale_time_factor; }

605 $grow = array();

606 $grow['dType'] = ($use_gcrows && isset($erow['dType']))?$erow['dType']:'DEF';

607 $grow['name'] = $erow['name'].(isset($erow['scale'])?'_tmp':'');

608 if ($grow['dType'] == 'DEF') {

609 $grow['dsname'] = ($use_gcrows && isset($erow['dsname']))?$erow['dsname']:$erow['name'];

610 if ($use_gcrows && isset($erow['dsfile'])) { $grow['dsfile'] = $erow['dsfile']; }

611 $grow['cf'] = ($use_gcrows && isset($erow['cf']))?$erow['cf']:'AVERAGE';

612 }

613 else {

614 $grow['rpn_expr'] = isset($erow['rpn_expr'])?$erow['rpn_expr']:'0';

615 }

616 if (isset($erow['scale'])) {

617 $graphrows[] = $grow;

618 $grow = array();

619 $grow['dType'] = 'CDEF';

620 $grow['name'] = $erow['name'];

621 $grow['rpn_expr'] = $erow['name'].'_tmp,'.$erow['scale'].',*';

622 }

623 if ($use_gcrows) { $grow['gType'] = isset($erow['gType'])?$erow['gType']:'LINE1'; }

624 else { $grow['gType'] = ((count($grow_def)==2) && ($key==0))?'AREA':'LINE1'; }

625 $grow['color'] = isset($erow['color'])?$erow['color']:$gColors[$gC++];

626 $grow['color_bg'] = isset($erow['color_bg'])?$erow['color_bg']:'';

627 if ($gC >= count($gColors)) { $gC = 0; }

628 if (isset($erow['legend'])) {

629 $grow['legend'] = $erow['legend'];

630 if (!isset($gconf['show_legend'])) { $gconf['show_legend'] = true; }

631 }

632 if (isset($erow['stack'])) { $grow['stack'] = ($erow['stack'] == true); }

633 if (isset($erow['desc'])) { $grow['desc'] = $erow['desc']; }

634 if (isset($erow['legend_long'])) { $grow['legend_long'] = $erow['legend_long']; }

635 $graphrows[] = $grow;

636 }

637 }

638

639 if (isset($gconf['special']) && count($gconf['special'])) {

640 foreach ($gconf['special'] as $crow) {

641 $srow = array();

642 $srow['sType'] = isset($crow['sType'])?$crow['sType']:'COMMENT';

643 if ($grow['sType'] != 'COMMENT') {

644 // XXX: use line below and remove cf var once we have rrdtol 1.2

645 if ($this->rrd_version() >= '1.2') {

646 $srow['name'] = $crow['name'].(isset($crow['cf'])?'_'.$crow['cf']:'');

647 }

648 else {

649 $srow['name'] = $crow['name'];

650 $srow['cf'] = isset($crow['cf'])?$crow['cf']:'AVERAGE';

651 }

652 if (isset($crow['cf'])) {

653 if ($this->rrd_version() >= '1.2') {

654 $graphrows[] = array('dType'=>'VDEF', 'name'=>$srow['name'].'_'.$crow['cf'],

655 'rpn_expr'=>$srow['name'].','.$crow['cf']);

656 }

657 }

658 elseif (isset($crow['rpn_expr'])) {

659 if ($this->rrd_version() >= '1.2') {

660 $graphrows[] = array('dType'=>'VDEF', 'name'=>$srow['name'], 'rpn_expr'=>$crow['rpn_expr']);

661 }

662 }

663 }

664 $srow['text'] = isset($crow['text'])?$crow['text']:'';

665 $specialrows[] = $srow;

666 }

667 }

668 else {

669 $td = $this->mod_textdomain;

670 foreach ($graphrows as $grow) {

671 if (isset($grow['gType']) && strlen($grow['gType'])) {

672 $textprefix = isset($grow['desc'])?$grow['desc']:(isset($grow['legend'])?$grow['legend']:$grow['name']);

673 if ($this->rrd_version() >= '1.2') {

674 $graphrows[] = array('dType'=>'VDEF', 'name'=>'_'.$grow['name'].'__max', 'rpn_expr'=>$grow['name'].',MAXIMUM');

675 $specialrows[] = array('sType'=>'PRINT', 'name'=>'_'.$grow['name'].'__max',

676 'text'=>$textprefix.'|'.dgettext($td, 'Maximum').'|%.2lf%s');

677 $graphrows[] = array('dType'=>'VDEF', 'name'=>'_'.$grow['name'].'__avg', 'rpn_expr'=>$grow['name'].',AVERAGE');

678 $specialrows[] = array('sType'=>'PRINT', 'name'=>'_'.$grow['name'].'__avg',

679 'text'=>$textprefix.'|'.dgettext($td, 'Average').'|%.2lf%s');

680 $graphrows[] = array('dType'=>'VDEF', 'name'=>'_'.$grow['name'].'__last', 'rpn_expr'=>$grow['name'].',LAST');

681 $specialrows[] = array('sType'=>'PRINT', 'name'=>'_'.$grow['name'].'__last',

682 'text'=>$textprefix.'|'.dgettext($td, 'Current').'|%.2lf%s');

683 }

684 else {

685 $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'MAX',

686 'text'=>$textprefix.'|'.dgettext($td, 'Maximum').'|%.2lf%s');

687 $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'AVERAGE',

688 'text'=>$textprefix.'|'.dgettext($td, 'Average').'|%.2lf%s');

689 $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'LAST',

690 'text'=>$textprefix.'|'.dgettext($td, 'Current').'|%.2lf%s');

691 }

692 }

693 }

694 }

695

696 $endtime = isset($gconf['time_end'])?$gconf['time_end']:(is_numeric($this->last_update())?$this->last_update():time());

697 $gOpts = ' --start '.($endtime-$duration).' --end '.$endtime.' --step '.$slice;

698 if (isset($gconf['label_top'])) { $gOpts .= ' --title '.$this->text_quote($gconf['label_top']); }

699 if (isset($gconf['label_y'])) { $gOpts .= ' --vertical-label '.$this->text_quote($gconf['label_y']); }

700 if (isset($gconf['width'])) { $gOpts .= ' --width '.$gconf['width']; }

701 if (isset($gconf['height'])) { $gOpts .= ' --height '.$gconf['height'];

702 if (($gconf['height'] <= 32) && isset($gconf['thumb']) && ($gconf['thumb'])) { $gOpts .= ' --only-graph'; }

703 }

704 if (!isset($gconf['show_legend']) || (!$gconf['show_legend'])) { $gOpts .= ' --no-legend'; }

705 if (isset($gconf['logarithmic']) && $gconf['logarithmic']) { $gOpts .= ' --logarithmic'; }

706 if (isset($gconf['min_y'])) { $gOpts .= ' --lower-limit '.$gconf['min_y']; }

707 if (isset($gconf['max_y'])) { $gOpts .= ' --upper-limit '.$gconf['max_y']; }

708 if (isset($gconf['fix_scale_y']) && $gconf['fix_scale_y']) { $gOpts .= ' --rigid'; }

709 if (isset($gconf['grid_x'])) { $gOpts .= ' --x-grid '.$gconf['grid_x']; }

710 if (isset($gconf['grid_y'])) { $gOpts .= ' --y-grid '.$gconf['grid_y']; }

711 if (isset($gconf['gridfit']) && (!$gconf['gridfit'])) { $gOpts .= ' --no-gridfit'; }

712 if (isset($gconf['calc_scale_y']) && $gconf['calc_scale_y']) { $gOpts .= ' --alt-autoscale'; }

713 if (isset($gconf['calc_max_y']) && $gconf['calc_max_y']) { $gOpts .= ' --alt-autoscale-max'; }

714 if (isset($gconf['units_exponent'])) { $gOpts .= ' --units-exponent '.$gconf['units_exponent']; }

715 if (isset($gconf['units_length'])) { $gOpts .= ' --units-length '.$gconf['units_length']; }

716 if (($this->rrd_version() < '1.2') || !count($specialrows)) {

717 // lazy graphics omit all print reporting in RRDtool 1.2!

718 // --> so don't use them there when we want to print stuff

719 if (!isset($gconf['force_recreate']) || (!$gconf['force_recreate'])) { $gOpts .= ' --lazy'; }

720 }

721 if (isset($gconf['force_color']) && is_array($gconf['force_color'])) {

722 foreach ($gconf['force_color'] as $ctag=>$cval) { $gOpts .= ' --color '.$ctag.$cval; }

723 }

724 if (isset($gconf['force_font']) && is_array($gconf['force_font'])) {

725 foreach ($gconf['force_font'] as $ctag=>$cval) { $gOpts .= ' --font '.$ctag.$cval; }

726 }

727 if (isset($gconf['units_binary']) && $gconf['units_binary']) { $gOpts .= ' --base 1024'; }

728

729 foreach ($graphrows as $grow) {

730 if (isset($grow['dType']) && strlen($grow['dType'])) {

731 $gDefs .= ' '.$grow['dType'].':'.$grow['name'].'=';

732 if ($grow['dType'] == 'DEF') {

733 $gDefs .= isset($grow['dsfile'])?$grow['dsfile']:$this->rrd_file;

734 $gDefs .= ':'.$grow['dsname'].':'.$grow['cf'];

735 }

736 else { $gDefs .= $grow['rpn_expr']; }

737 }

738 if (isset($grow['gType']) && strlen($grow['gType'])) {

739 // XXX: change from STACK type to STACK flag once we have rrdtool 1.2

740 if ($this->rrd_version() < '1.2') {

741 // rrdtool 1.0 only know STACK type

742 if (isset($grow['stack']) && $grow['stack']) { $grow['gType'] = 'STACK'; }

743 }

744 $gGraphs .= ' '.$grow['gType'].':'.$grow['name'].$grow['color'];

745 if (isset($grow['legend'])) { $gGraphs .= ':'.$this->text_quote($grow['legend']); }

746 if ($this->rrd_version() >= '1.2') {

747 // rrdtool 1.2 and above have STACK flag

748 if (isset($grow['stack']) && $grow['stack']) { $gGraphs .= ':STACK'; }

749 }

750 }

751 }

752

753 foreach ($specialrows as $srow) {

754 $addSpecial .= ' '.$srow['sType'];

755 if ($this->rrd_version() >= '1.2') {

756 $addSpecial .= (($srow['sType']!='COMMENT')?':'.$srow['name']:'');

757 }

758 else {

759 $addSpecial .= (($srow['sType']!='COMMENT')?':'.$srow['name'].':'.$srow['cf']:'');

760 }

761 $addSpecial .= ':'.$this->text_quote($srow['text']);

762 }

763

764 $graph_cmd = 'rrdtool graph '.str_replace('*', '\*', $fname.$gOpts.$gDefs.$gGraphs.$addSpecial);

765 $return = `$graph_cmd 2>&1`;

766

767 if (strpos($return, 'ERROR') !== false) {

768 trigger_error($this->rrd_file.' - rrd graph error: '.$return, E_USER_WARNING);

769 $return = 'command:'.$graph_cmd."\n\n".$return;

770 }

771 if (0) {

772 // debug output

773 $return = 'command:'.$graph_cmd."\n\n".$return;

774 }

775 $legendlines = '';

776 foreach ($graphrows as $grow) {

777 $legendline = isset($grow['desc'])?$grow['desc']:(isset($grow['legend'])?$grow['legend']:$grow['name']);

778 $legendline .= '|'.@$grow['color'];

779 $legendline .= '|'.(isset($grow['color_bg'])?$grow['color_bg']:'');

780 $legendline .= '|'.(isset($grow['legend_long'])?$grow['legend_long']:'');

781 $legendlines .= 'legend:'.$legendline."\n";

782 }

783 $return = 'file:'.$fname."\n".$legendlines.$return;

784 return $return;

785 }

786

787 public function graph_plus($timeframe = 'day', $sub = null, $extra = null) {

788 // create a RRD graph and return meta info as a ready-to-use array

789 $gmeta = array('filename'=>null,'legends_long'=>false,'default_colorize'=>false);

790 $ret = $this->graph($timeframe, $sub, $extra);

791 if (0) {

792 // debug output

793 $gmeta['ret'] = $ret;

794 }

795 $grout = explode("\n", $ret);

796 foreach ($grout as $gline) {

797 if (preg_match('/^command:(.+)$/', $gline, $regs)) {

798 $gmeta['graph_cmd'] = $regs[1];

799 }

800 elseif (preg_match('/^file:(.+)$/', $gline, $regs)) {

801 $gmeta['filename'] = $regs[1];

802 }

803 elseif (preg_match('/^legend:([^\|]+)\|([^|]*)\|([^\|]*)\|(.*)$/', $gline, $regs)) {

804 $gmeta['legend'][$regs[1]] = array('color'=>$regs[2], 'color_bg'=>$regs[3], 'desc_long'=>$regs[4]);

805 if (strlen($regs[4])) { $gmeta['legends_long'] = true; }

806 if (strlen($regs[3]) || strlen($regs[4])) { $gmeta['default_colorize'] = true; }

807 }

808 elseif (preg_match('/^(\d+)x(\d+)$/', $gline, $regs)) {

809 $gmeta['width'] = $regs[1]; $gmeta['height'] = $regs[2];

810 }

811 elseif (preg_match('/^([^\|]+)\|([^|]+)\|([^\|]*)$/', $gline, $regs)) {

812 $gmeta['data'][$regs[1]][$regs[2]] = $regs[3];

813 }

814 elseif (preg_match('/^([^\|]+)\|([^\|]*)$/', $gline, $regs)) {

815 $gmeta['var'][$regs[1]] = $regs[2];

816 }

817 elseif (strlen(trim($gline))) {

818 $gmeta['info'][] = $gline;

819 }

820 }

821 if (is_null($gmeta['filename'])) {

822 $gmeta['filename'] = $this->basename.(!is_null($sub)?'-'.$sub:'').'-'.$timeframe.'.png';

823 }

824 return $gmeta;

825 }

826

827 public function page($sub = null, $page_extras = null, $graph_extras = null) {

828 // create a (HTML) page and return it in a string

829

830 // assemble configuration

831 $pconf = (array)$page_extras;

832 if (!is_null($sub) && is_array($this->config_raw['page.'.$sub])) {

833 $pconf = $pconf + $this->config_raw['page.'.$sub];

834 }

835 $pconf = $pconf + (array)$this->config_page;

836

837 $return = null;

838 switch (@$pconf['type']) {

839 case 'index':

840 $return = $this->page_index($pconf);

841 break;

842 case 'overview':

843 $return = $this->page_overview($pconf, $graph_extras);

844 break;

845 case 'simple':

846 default:

847 $return = $this->page_simple($pconf, $graph_extras);

848 break;

849 }

850 return $return;

851 }

852

853 public function simple_html($sub = null, $page_extras = null, $graph_extras = null) {

854 // create a simple (MRTG-like) HTML page and return it in a string

855 // XXX: this is here temporarily for compat only, it's preferred to use page()!

856 trigger_error(__CLASS__.'::'.__METHOD__.' is deprecated, use page() instead.', E_USER_NOTICE);

857

858 // assemble configuration

859 $pconf = (array)$page_extras;

860 if (!is_null($sub) && is_array($this->config_raw['page.'.$sub])) {

861 $pconf = $pconf + $this->config_raw['page.'.$sub];

862 }

863 $pconf = $pconf + (array)$this->config_page;

864

865 return $this->page_simple($pconf, $graph_extras);

866 }

867

868 private function page_index($pconf) {

869 // create a bare, very simple index list HTML page and return it in a string

870 $td = $this->mod_textdomain;

871 $ptitle = isset($pconf['title_page'])?$pconf['title_page']:dgettext($td, 'RRD statistics index');

872

873 $out = '<html><head>'."\n";

874 $out .= '<title>'.$ptitle.'</title>'."\n";

875 $out .= '<style type="text/css">'."\n";

876 if (isset($pconf['style_base'])) { $out .= $pconf['style_base']; }

877 else {

878 $out .= 'h1 { font-weight: bold; font-size: 1.5em; }'."\n";

879 $out .= '.footer { font-size: 0.75em; margin: 0.5em 0; }'."\n";

880 $out .= 'li.scanfile { font-style: italic; }'."\n";

881 }

882 if (isset($pconf['style'])) { $out .= $pconf['style']; }

883 $out .= '</style>'."\n";

884 $out .= '</head>'."\n";

885 $out .= '<body>'."\n";

886

887 $out .= '<h1>'.$ptitle.'</h1>'."\n";

888 if (isset($pconf['text_intro']) && strlen($pconf['text_intro'])) {

889 $out .= '<p class="intro">'.$pconf['text_intro'].'</p>'."\n";

890 }

891 elseif (!isset($pconf['text_intro'])) {

892 $out .= '<p class="intro">'.dgettext($td, 'The following RRD stats are available:').'</p>'."\n";

893 }

894

895 $stats = $this->h_page_statsArray($pconf);

896

897 if (isset($pconf['stats_url'])) { $sURL_base = $pconf['stats_url']; }

898 else { $sURL_base = '?stat=%i%a'; }

899

900 if (isset($pconf['stats_url_add'])) { $sURL_add = $pconf['stats_url_add']; }

901 else { $sURL_add = '&sub=%s'; }

902

903 $out .= '<ul class="indexlist">'."\n";

904 foreach ($stats as $stat) {

905 $out .= '<li'.(isset($stat['class'])?' class="'.$stat['class'].'"':'').'>';

906 $sURL = str_replace('%i', $stat['name'], $sURL_base);

907 $sURL = str_replace('%a', '', $sURL);

908 $sURL = str_replace('%s', '', $sURL);

909 $out .= '<a href="'.$sURL.'">'.$stat['name'].'</a>';

910 if (isset($stat['sub']) && count($stat['sub'])) {

911 $sprt = array();

912 foreach ($stat['sub'] as $ssub) {

913 $sURL = str_replace('%i', $stat['name'], $sURL_base);

914 $sURL = str_replace('%a', $sURL_add, $sURL);

915 $sURL = str_replace('%s', $ssub, $sURL);

916 $sprt[] = '<a href="'.$sURL.'">'.$ssub.'</a>';

917 }

918 $out .= ' <span="subs">('.implode(', ', $sprt).')</span>';

919 }

920 $out .= '</li>'."\n";

921 }

922 $out .= '</ul>'."\n";

923

924 $out .= $this->h_page_footer();

925 $out .= '</body></html>'."\n";

926 return $out;

927 }

928

929 private function page_overview($pconf, $graph_extras = null) {

930 // create an overview HTML page (including graphs) and return it in a string

931 $td = $this->mod_textdomain;

932 $ptitle = isset($pconf['title_page'])?$pconf['title_page']:dgettext($td, 'RRD statistics overview');

933

934 $out = '<html><head>'."\n";

935 $out .= '<title>'.$ptitle.'</title>'."\n";

936 $out .= '<style type="text/css">'."\n";

937 if (isset($pconf['style_base'])) { $out .= $pconf['style_base']; }

938 else {

939 $out .= 'h1 { font-weight: bold; font-size: 1.5em; }'."\n";

940 $out .= 'h2 { font-weight: bold; font-size: 1em; margin: 0.5em 0; }'."\n";

941 $out .= '.footer { font-size: 0.75em; margin: 0.5em 0; }'."\n";

942 $out .= 'img.rrdgraph { border: none; }'."\n";

943 }

944 if (isset($pconf['style'])) { $out .= $pconf['style']; }

945 $out .= '</style>'."\n";

946 $out .= '</head>'."\n";

947 $out .= '<body>'."\n";

948

949 $out .= '<h1>'.$ptitle.'</h1>'."\n";

950 if (isset($pconf['text_intro']) && strlen($pconf['text_intro'])) {

951 $out .= '<p class="intro">'.$pconf['text_intro'].'</p>';

952 }

953

954 $stats = $this->h_page_statsArray($pconf);

955

956 if (isset($pconf['stats_url'])) { $sURL_base = $pconf['stats_url']; }

957 else { $sURL_base = '?stat=%i%a'; }

958

959 if (isset($pconf['stats_url_add'])) { $sURL_add = $pconf['stats_url_add']; }

960 else { $sURL_add = '&sub=%s'; }

961

962 $num_rows = is_numeric($pconf['num_rows'])?$pconf['num_rows']:2;

963 $num_cols = ceil(count($stats)/$num_rows);

964

965 $out .= '<table class="overview">'."\n";

966 for ($col = 0; $col < $num_cols; $col++) {

967 $out .= '<tr>'."\n";

968 for ($row = 0; $row < $num_rows; $row++) {

969 $idx = $col * $num_rows + $row;

970 $out .= '<td>'."\n";

971 if ($idx < count($stats)) {

972 @list($sname, $s_psub) = explode('|', $stats[$idx]['name'], 2);

973 $s_psname = 'page'.(isset($s_psub)?'.'.$s_psub:'');

974 $g_sub = @$this->config_all[$sname][$s_psname]['graph_sub'];

975

976 if (isset($this->config_all[$sname][$s_psname]['title_page'])) {

977 $s_ptitle = $this->config_all[$sname][$s_psname]['title_page'];

978 }

979 elseif (isset($this->config_all[$sname]['page']['title_page'])) {

980 $s_ptitle = $this->config_all[$sname]['page']['title_page'];

981 }

982 else {

983 $s_ptitle = isset($s_psub)

984 ?sprintf(dgettext($td, '%s (%s) statistics'), $sname, $s_psub)

985 :sprintf(dgettext($td, '%s statistics'), $sname);

986 }

987 if (!isset($pconf['hide_titles']) || !$pconf['hide_titles']) {

988 $out .= '<h2>'.$s_ptitle.'</h2>'."\n";

989 }

990

991 $s_rrd = new rrdstat($this->config_all, $sname);

992 if (in_array($s_rrd->status, array('ok','readonly','graphonly'))) {

993 $tframe = isset($pconf['graph_timeframe'])?$pconf['graph_timeframe']:'day';

994 $gmeta = $s_rrd->graph_plus($tframe, $g_sub);

995 if (isset($pconf['graph_url'])) {

996 $gURL = $pconf['graph_url'];

997 $gURL = str_replace('%f', basename($gmeta['filename']), $gURL);

998 $gURL = str_replace('%p', $gmeta['filename'], $gURL);

999 if (substr($gURL, -1) == '/') { $gURL .= $gmeta['filename']; }

1000 }

1001 else {

1002 $gURL = $gmeta['filename'];

1003 }

1004 $sURL = str_replace('%i', $sname, $sURL_base);

1005 $sURL = str_replace('%a', isset($s_psub)?$sURL_add:'', $sURL);

1006 $sURL = str_replace('%s', isset($s_psub)?$s_psub:'', $sURL);

1007 $out .= '<a href="'.$sURL.'">';

1008 $out .= '<img src="'.$gURL.'"';

1009 $out .= ' alt="'.$s_rrd->basename.(!is_null($g_sub)?' - '.$g_sub:'').' - '.$tframe.'" class="rrdgraph"';

1010 if (isset($gmeta['width']) && isset($gmeta['height'])) {

1011 $out .= ' style="width:'.$gmeta['width'].'px;height:'.$gmeta['height'].'px;"';

1012 }

1013 $out .= '></a>'."\n";

1014 }

1015 else {

1016 $out .= sprintf(dgettext($td, 'RRD error: status is "%s"'), $s_rrd->status)."\n";

1017 }

1018 }

1019 else {

1020 $out .= ' ';

1021 }

1022 $out .= '</td>'."\n";

1023 }

1024 $out .= '</tr>'."\n";

1025 }

1026 $out .= '</table>'."\n";

1027

1028 $out .= $this->h_page_footer();

1029 $out .= '</body></html>'."\n";

1030 return $out;

1031 }

1032

1033 private function page_simple($pconf, $graph_extras = null) {

1034 // create a simple (MRTG-like) HTML page and return it in a string

1035 $td = $this->mod_textdomain;

1036

1037 $ptitle = isset($pconf['title_page'])?$pconf['title_page']:sprintf(dgettext($td, '%s - RRD statistics'),$this->basename);

1038 $gtitle = array();

1039 $gtitle['day'] = isset($pconf['title_day'])?$pconf['title_day']:dgettext($td, 'Day overview (scaling 5 minutes)');

1040 $gtitle['week'] = isset($pconf['title_week'])?$pconf['title_week']:dgettext($td, 'Week overview (scaling 30 minutes)');

1041 $gtitle['month'] = isset($pconf['title_month'])?$pconf['title_month']:dgettext($td, 'Month overview (scaling 2 hours)');

1042 $gtitle['year'] = isset($pconf['title_year'])?$pconf['title_year']:dgettext($td, 'Year overview (scaling 1 day)');

1043 $ltitle = isset($pconf['title_legend'])?$pconf['title_legend']:dgettext($td, 'Legend:');

1044

1045 $out = '<html><head>'."\n";

1046 $out .= '<title>'.$ptitle.'</title>'."\n";

1047 $out .= '<style type="text/css">'."\n";

1048 if (isset($pconf['style_base'])) { $out .= $pconf['style_base']; }

1049 else {

1050 $out .= 'h1 { font-weight: bold; font-size: 1.5em; }'."\n";

1051 $out .= 'h2 { font-weight: bold; font-size: 1em; }'."\n";

1052 $out .= '.gdata, .gvar, .ginfo { font-size: 0.75em; margin: 0.5em 0; }'."\n";

1053 $out .= 'table.gdata, table.legend { border: 1px solid gray; border-collapse: collapse; }'."\n";

1054 $out .= 'table.gdata td, table.gdata th, '."\n";

1055 $out .= 'table.legend td, table.legend th { border: 1px solid gray; padding: 0.1em 0.2em; }'."\n";

1056 $out .= 'div.legend { font-size: 0.75em; margin: 0.5em 0; }'."\n";

1057 $out .= 'div.legend p { margin: 0; }'."\n";

1058 $out .= '.footer { font-size: 0.75em; margin: 0.5em 0; }'."\n";

1059 }

1060 if (isset($pconf['style'])) { $out .= $pconf['style']; }

1061 $out .= '</style>'."\n";

1062 $out .= '</head>'."\n";

1063 $out .= '<body>'."\n";

1064

1065 $out .= '<h1>'.$ptitle.'</h1>'."\n";

1066 if (isset($pconf['text_intro']) && strlen($pconf['text_intro'])) {

1067 $out .= '<p class="intro">'.$pconf['text_intro'].'</p>'."\n";

1068 }

1069 if (!isset($pconf['show_update']) || $pconf['show_update']) {

1070 $out .= '<p class="last_up">';

1071 if (is_null($this->last_update())) { $up_time = dgettext($td, 'unknown'); }

1072 elseif (class_exists('baseutils')) { $up_time = baseutils::dateFormat($this->last_update(), 'short'); }

1073 else { $up_time = date('Y-m-d H:i:s', $this->last_update()); }

1074 $out .= sprintf(dgettext($td, 'Last Update: %s'), $up_time);

1075 $out .= '</p>'."\n";

1076 }

1077

1078 $g_sub = isset($pconf['graph_sub'])?$pconf['graph_sub']:null;

1079 if (in_array($this->status, array('ok','readonly','graphonly'))) {

1080 foreach (array('day','week','month','year') as $tframe) {

1081 $gmeta = $this->graph_plus($tframe, $g_sub, $graph_extras);

1082 if (isset($pconf['graph_url'])) {

1083 $gURL = $pconf['graph_url'];

1084 $gURL = str_replace('%f', basename($gmeta['filename']), $gURL);

1085 $gURL = str_replace('%p', $gmeta['filename'], $gURL);

1086 if (substr($gURL, -1) == '/') { $gURL .= $gmeta['filename']; }

1087 }

1088 else {

1089 $gURL = $gmeta['filename'];

1090 }

1091 $out .= '<div class="'.$tframe.'">'."\n";

1092 if (0) {

1093 // debug output

1094 ob_start();

1095 print_r($gmeta);

1096 $buffer = ob_get_contents();

1097 ob_end_clean();

1098 $out .= '<p>'.nl2br($buffer).'</p>';

1099 }

1100 $out .= '<h2>'.$gtitle[$tframe].'</h2>'."\n";

1101 $out .= '<img src="'.$gURL.'"';

1102 $out .= ' alt="'.$this->basename.(!is_null($g_sub)?' - '.$g_sub:'').' - '.$tframe.'" class="rrdgraph"';

1103 if (isset($gmeta['width']) && isset($gmeta['height'])) {

1104 $out .= ' style="width:'.$gmeta['width'].'px;height:'.$gmeta['height'].'px;"';

1105 }

1106 $out .= '>'."\n";

1107 $colorize_data = (isset($pconf['data_colorize']) && $pconf['data_colorize']) ||

1108 (!isset($pconf['data_colorize']) && $gmeta['default_colorize']);

1109 if (isset($gmeta['data']) && count($gmeta['data'])) {

1110 $out .= '<table class="gdata">'."\n";

1111 foreach ($gmeta['data'] as $field=>$gdata) {

1112 $out .= '<tr><th';

1113 if ($colorize_data && isset($gmeta['legend'][$field])) {

1114 $out .= ' style="color:'.$gmeta['legend'][$field]['color'].';';

1115 if (strlen($gmeta['legend'][$field]['color_bg'])) {

1116 $out .= 'background-color:'.$gmeta['legend'][$field]['color_bg'].';';

1117 }

1118 $out .= '"';

1119 }

1120 $out .= '>'.$field.'</th>';

1121 foreach ($gdata as $gkey=>$gval) {

1122 $out .= '<td><span class="gkey">'.$gkey.': </span>'.$gval.'</td>';

1123 }

1124 $out .= '</tr>'."\n";

1125 }

1126 $out .= '</table>'."\n";

1127 }

1128 if (isset($gmeta['var']) && count($gmeta['var'])) {

1129 foreach ($gmeta['var'] as $gkey=>$gval) {

1130 $out .= '<p class="gvar"><span class="gkey">'.$gkey.': </span>'.$gval.'</p>'."\n";

1131 }

1132 }

1133 if (isset($gmeta['info']) && count($gmeta['info'])) {

1134 foreach ($gmeta['info'] as $gval) {

1135 $out .= '<p class="ginfo">'.$gval.'</p>'."\n";

1136 }

1137 }

1138 $out .= '</div>'."\n";

1139 }

1140 if ($gmeta['legends_long'] && (!isset($pconf['show_legend']) || $pconf['show_legend'])) {

1141 $out .= '<div class="legend">'."\n";

1142 $out .= '<p>'.$ltitle.'</p>'."\n";

1143 $out .= '<table class="legend">'."\n";

1144 foreach ($gmeta['legend'] as $field=>$legend) {

1145 if (strlen($legend['desc_long'])) {

1146 $out .= '<tr><th';

1147 if ($colorize_data && isset($gmeta['legend'][$field])) {

1148 $out .= ' style="color:'.$gmeta['legend'][$field]['color'].';';

1149 if (strlen($gmeta['legend'][$field]['color_bg'])) {

1150 $out .= 'background-color:'.$gmeta['legend'][$field]['color_bg'].';';

1151 }

1152 $out .= '"';

1153 }

1154 $out .= '>'.$field.'</th>';

1155 $out .= '<td>'.$legend['desc_long'].'</td>';

1156 $out .= '</tr>'."\n";

1157 }

1158 }

1159 $out .= '</table>'."\n";

1160 $out .= '</div>'."\n";

1161 }

1162 }

1163 else {

1164 $out .= sprintf(dgettext($td, 'RRD error: status is "%s"'), $this->status)."\n";

1165 }

1166

1167 $out .= $this->h_page_footer();

1168 $out .= '</body></html>'."\n";

1169 return $out;

1170 }

1171

1172 private function h_page_statsArray($pconf) {

1173 // return array of stats to list on a page

1174 $stats = array();

1175 $snames = array(); $s_exclude = array(); $sfiles = array();

1176 if (isset($pconf['index_ids'])) {

1177 foreach (explode(',', $pconf['index_ids']) as $iid) {

1178 if ($iid{0} == '-') { $s_exclude[] = substr($iid, 1); }

1179 else { $snames[] = $iid; }

1180 }

1181 }

1182 if (!isset($pconf['scan_config']) || $pconf['scan_config']) {

1183 foreach ($this->config_all as $iname=>$rinfo) {

1184 if (($iname != '*') && !(isset($rinfo['hidden']) && $rinfo['hidden']) &&

1185 !(in_array($iname, $snames)) && !(in_array($iname, $s_exclude))) {

1186 $snames[] = $iname;

1187 }

1188 }

1189 }

1190 foreach ($snames as $iname) {

1191 $newstat = array('name'=>$iname);

1192 $sfiles[] = isset($this->config_all[$iname]['file'])?$this->config_all[$iname]['file']:$iname.'.rrd';

1193 if (is_array($this->config_all[$iname])) {

1194 foreach ($this->config_all[$iname] as $key=>$val) {

1195 if (substr($key, 0, 5) == 'page.') { $newstat['sub'][] = substr($key, 5); }

1196 }

1197 }

1198 $stats[] = $newstat;

1199 }

1200 if (isset($pconf['scan_files']) && $pconf['scan_files']) {

1201 $rrdfiles = glob('*.rrd');

1202 foreach ($rrdfiles as $rrdfile) {

1203 $iname = (substr($rrdfile, -4) == '.rrd')?substr($rrdfile, 0, -4):$rrdfile;

1204 if (!in_array($rrdfile, $sfiles) && !(in_array($iname, $s_exclude))) {

1205 $stats[] = array('name'=>$iname, 'class'=>'scanfile');

1206 }

1207 }

1208 }

1209 return $stats;

1210 }

1211

1212 private function h_page_footer() {

1213 // return generic page footer

1214 $out = '<p class="footer">';

1215 $out .= sprintf(dgettext($this->mod_textdomain, 'Statistics created with %s using a library created by %s.'),

1216 '<a href="http://oss.oetiker.ch/rrdtool/">RRDtool</a>',

1217 '<a href="http://www.kairo.at/">KaiRo.at</a>');

1218 $out .= '</p>'."\n";

1219 return $out;

1220 }

1221

1222 private function text_quote($text) {

1223 $trans = array('"' => '\"', ':' => '\:');

1224 $qtext = '"'.strtr($text, $trans).'"';

1225 return $qtext;

1226 }

1227 }

1228 ?>