| 1 | <?php |
| 2 | // ************ RRD status class ************** |
| 3 | class rrdstat { |
| 4 | |
| 5 | var $rrd_file = null; |
| 6 | |
| 7 | var $config_raw = null; |
| 8 | var $config_graph = null; |
| 9 | var $config_page = null; |
| 10 | |
| 11 | var $rrd_fields = array(); |
| 12 | var $rra_base = array(); |
| 13 | var $rrd_step = 300; |
| 14 | var $rra_add_max = true; |
| 15 | |
| 16 | var $status = 'unused'; |
| 17 | |
| 18 | function rrdstat($rrdconfig, $conf_id = null) { |
| 19 | // ***** init RRD stat module ***** |
| 20 | $this->set_def($rrdconfig, $conf_id); |
| 21 | |
| 22 | if (!is_null($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 | } |
| 32 | } |
| 33 | else { |
| 34 | $this->status = 'ok'; |
| 35 | } |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | function set_def($rrdconfig, $conf_id = null) { |
| 40 | if (is_array($rrdconfig)) { |
| 41 | // we have an array in the format we like to have |
| 42 | $complete_conf =& $rrdconfig; |
| 43 | } |
| 44 | else { |
| 45 | // we have something else (XML data?), try to generate the iinfo aray from it |
| 46 | $complete_conf =& $rrdconfig; |
| 47 | } |
| 48 | |
| 49 | if (!is_null($conf_id)) { |
| 50 | $iinfo = isset($complete_conf[$conf_id])?$complete_conf[$conf_id]:array(); |
| 51 | if (isset($complete_conf['*'])) { |
| 52 | $iinfo = (array)$iinfo + (array)$complete_conf['*']; |
| 53 | if (isset($complete_conf['*']['graph'])) { $iinfo['graph'] = (array)$iinfo['graph'] + (array)$complete_conf['*']['graph']; } |
| 54 | if (isset($complete_conf['*']['page'])) { $iinfo['page'] = (array)$iinfo['page'] + (array)$complete_conf['*']['page']; } |
| 55 | } |
| 56 | } |
| 57 | else { |
| 58 | $iinfo = $complete_conf; |
| 59 | } |
| 60 | |
| 61 | if (!isset($iinfo['file'])) { return false; } |
| 62 | |
| 63 | $this->rrd_file = $iinfo['file']; |
| 64 | |
| 65 | // fields (data sources, DS) |
| 66 | // name - DS name |
| 67 | // type - one of COUNTER, GAUGE, DERIVE, ABSOLUTE |
| 68 | // heartbeat - if no sample recieved for that time, store UNKNOWN |
| 69 | // min - U (unconstrained) or minimum value |
| 70 | // max - U (unconstrained) or maximum value |
| 71 | // update - this string will be fed into eval() for updating this field |
| 72 | if (isset($iinfo['fields']) && is_array($iinfo['fields'])) { |
| 73 | $this->rrd_fields = $iinfo['fields']; |
| 74 | } |
| 75 | else { |
| 76 | $this->rrd_fields[] = array('name' => 'ds0', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U'); |
| 77 | $this->rrd_fields[] = array('name' => 'ds1', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U'); |
| 78 | } |
| 79 | |
| 80 | |
| 81 | // MRTG-style RRD "database", see http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/tut/rrdtutorial.en.html |
| 82 | // |
| 83 | // archives (RRAs): |
| 84 | // 600 samples of 5 minutes (2 days and 2 hours) |
| 85 | // 700 samples of 30 minutes (2 days and 2 hours, plus 12.5 days) |
| 86 | // 775 samples of 2 hours (above + 50 days) |
| 87 | // 797 samples of 1 day (above + 732 days, rounded up to 797) |
| 88 | |
| 89 | $this->rrd_step = isset($iinfo['rrd_step'])?$iinfo['rrd_step']:300; |
| 90 | |
| 91 | if (isset($iinfo['rra_base']) && is_array($iinfo['rra_base'])) { |
| 92 | $this->rra_base = $iinfo['rra_base']; |
| 93 | } |
| 94 | else { |
| 95 | $this->rra_base[] = array('step' => 1, 'rows' => 600); |
| 96 | $this->rra_base[] = array('step' => 6, 'rows' => 700); |
| 97 | $this->rra_base[] = array('step' => 24, 'rows' => 775); |
| 98 | $this->rra_base[] = array('step' => 288, 'rows' => 797); |
| 99 | } |
| 100 | |
| 101 | $this->rra_add_max = isset($iinfo['rra_add_max'])?$iinfo['rra_add_max']:true; |
| 102 | |
| 103 | if (isset($iinfo['graph'])) { $this->config_graph = $iinfo['graph']; } |
| 104 | if (isset($iinfo['page'])) { $this->config_page = $iinfo['page']; } |
| 105 | $this->config_raw = $iinfo; |
| 106 | } |
| 107 | |
| 108 | function create() { |
| 109 | // create RRD file |
| 110 | |
| 111 | // compose create command |
| 112 | $create_cmd = 'rrdtool create '.$this->rrd_file.' --step '.$this->rrd_step; |
| 113 | foreach ($this->rrd_fields as $ds) { |
| 114 | if (!isset($ds['type'])) { $ds['type'] = 'COUNTER'; } |
| 115 | if (!isset($ds['heartbeat'])) { $ds['heartbeat'] = 2*$this->rrd_step; } |
| 116 | if (!isset($ds['min'])) { $ds['min'] = 'U'; } |
| 117 | if (!isset($ds['max'])) { $ds['max'] = 'U'; } |
| 118 | $create_cmd .= ' DS:'.$ds['name'].':'.$ds['type'].':'.$ds['heartbeat'].':'.$ds['min'].':'.$ds['max']; |
| 119 | } |
| 120 | foreach ($this->rra_base as $rra) { |
| 121 | if (!isset($rra['cf'])) { $rra['cf'] = 'AVERAGE'; } |
| 122 | if (!isset($rra['xff'])) { $rra['xff'] = 0.5; } |
| 123 | if (!isset($rra['step'])) { $rra['step'] = 1; } |
| 124 | if (!isset($rra['rows'])) { $rra['rows'] = 600; } |
| 125 | $create_cmd .= ' RRA:'.$rra['cf'].':'.$rra['xff'].':'.$rra['step'].':'.$rra['rows']; |
| 126 | } |
| 127 | if ($this->rra_add_max) { |
| 128 | foreach ($this->rra_base as $rra) { |
| 129 | if (!isset($rra['cf'])) { |
| 130 | // only rows that have no CF set will be looked at here |
| 131 | $rra['cf'] = 'MAX'; |
| 132 | if (!isset($rra['xff'])) { $rra['xff'] = 0.5; } |
| 133 | if (!isset($rra['step'])) { $rra['step'] = 1; } |
| 134 | if (!isset($rra['rows'])) { $rra['rows'] = 600; } |
| 135 | $create_cmd .= ' RRA:'.$rra['cf'].':'.$rra['xff'].':'.$rra['step'].':'.$rra['rows']; |
| 136 | } |
| 137 | } |
| 138 | } |
| 139 | $output = array(); $return_var = null; |
| 140 | exec($create_cmd, $output, $return_var); |
| 141 | if ($return_var) { trigger_error('rrd create returned with value '.$return_var, E_USER_WARNING); } |
| 142 | else { $this->status = 'ok'; } |
| 143 | } |
| 144 | |
| 145 | function update($upArray = null) { |
| 146 | // feed new data into RRD |
| 147 | if ($this->status != 'ok') { trigger_error('Cannot update non-writeable file', E_USER_WARNING); return 1; } |
| 148 | $upvals = array(); |
| 149 | foreach($this->rrd_fields as $ds) { |
| 150 | if (is_array($upArray) && isset($upArray[$ds['name']])) { $val = $upArray[$ds['name']]; } |
| 151 | elseif (isset($ds['update'])) { |
| 152 | $val = null; $evalcode = null; |
| 153 | if (substr($ds['update'], 0, 4) == 'val:') { |
| 154 | $evalcode = 'print(trim('.substr($ds['update'], 4).'));'; |
| 155 | } |
| 156 | elseif (substr($ds['update'], 0, 8) == 'snmp-if:') { |
| 157 | $snmphost = 'localhost'; $snmpcomm = 'public'; |
| 158 | list($nix, $ifname, $valtype) = explode(':', $ds['update'], 3); |
| 159 | $iflist = explode("\n", `snmpwalk -v2c -c $snmpcomm $snmphost interfaces.ifTable.ifEntry.ifDescr`); |
| 160 | $ifnr = null; |
| 161 | foreach ($iflist as $ifdesc) { |
| 162 | if (preg_match('/ifDescr\.(\d+) = STRING: '.$ifname.'/', $ifdesc, $regs)) { $ifnr = $regs[1]; } |
| 163 | } |
| 164 | $oid = null; |
| 165 | if ($valtype == 'in') { $oid = '1.3.6.1.2.1.2.2.1.10.'.$ifnr; } |
| 166 | elseif ($valtype == 'out') { $oid = '1.3.6.1.2.1.2.2.1.16.'.$ifnr; } |
| 167 | if (!is_null($ifnr) && !is_null($oid)) { |
| 168 | $evalcode = 'print(trim(substr(strrchr(`snmpget -v2c -c '.$snmpcomm.' '.$snmphost.' '.$oid.'`,":"),1)));'; |
| 169 | } |
| 170 | } |
| 171 | else { $evalcode = $ds['update']; } |
| 172 | if (!is_null($evalcode)) { |
| 173 | ob_start(); |
| 174 | eval($evalcode); |
| 175 | $val = ob_get_contents(); |
| 176 | ob_end_clean(); |
| 177 | } |
| 178 | } |
| 179 | else { $val = null; } |
| 180 | $upvals[] = is_null($val)?'U':$val; |
| 181 | } |
| 182 | $update_cmd = 'rrdtool update '.$this->rrd_file.' N:'.implode(':', $upvals); |
| 183 | $output = array(); $return_var = null; |
| 184 | exec($update_cmd, $output, $return_var); |
| 185 | if ($return_var) { trigger_error('rrd update returned with value '.$return_var, E_USER_WARNING); } |
| 186 | return ($return_var == 0); |
| 187 | } |
| 188 | |
| 189 | function fetch($cf = 'AVERAGE', $resolution = null, $start = null, $end = null) { |
| 190 | // fetch data from a RRD |
| 191 | if (!in_array($this->status, array('ok','readonly'))) { trigger_error('Error: rrd status is '.$this->status, E_USER_WARNING); return false; } |
| 192 | |
| 193 | if (!in_array($cf, array('AVERAGE','MIN','MAX','LAST'))) { $cf = 'AVERAGE'; } |
| 194 | if (!is_numeric($resolution)) { $resolution = $this->rrd_step; } |
| 195 | if (!is_numeric($end)) { $end = $this->last_update(); } |
| 196 | elseif ($end < 0) { $end += $this->last_update(); } |
| 197 | $end = intval($end/$resolution)*$resolution; |
| 198 | if (!is_numeric($start)) { $start = $end; } |
| 199 | elseif ($start < 0) { $start += $end; } |
| 200 | $start = intval($start/$resolution)*$resolution; |
| 201 | |
| 202 | $fetch_cmd = 'rrdtool fetch '.$this->rrd_file.' '.$cf.' --resolution '.$resolution.' --start '.$start.' --end '.$end; |
| 203 | $return = `$fetch_cmd 2>&1`; |
| 204 | |
| 205 | if (strpos($return, 'ERROR') !== false) { |
| 206 | trigger_error('rrd fetch error: '.$return, E_USER_WARNING); |
| 207 | $fresult = false; |
| 208 | } |
| 209 | else { |
| 210 | $fresult = array(); |
| 211 | $rows = explode("\n", $return); |
| 212 | $fields = preg_split('/\s+/', array_shift($rows)); |
| 213 | if (array_shift($fields) == 'timestamp') { |
| 214 | $fresult[0] = $fields; |
| 215 | foreach ($rows as $row) { |
| 216 | if (strlen(trim($row))) { |
| 217 | $rvals = preg_split('/\s+/', $row); |
| 218 | $rtime = array_shift($rvals); |
| 219 | $rv_array = array(); |
| 220 | foreach ($rvals as $key=>$rval) { |
| 221 | $rv_array[$fields[$key]] = ($rval=='nan')?null:floatval($rval); |
| 222 | } |
| 223 | $fresult[$rtime] = $rv_array; |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | } |
| 228 | return $fresult; |
| 229 | } |
| 230 | |
| 231 | function graph($timeframe = 'day', $sub = null, $extra = null) { |
| 232 | // create a RRD graph |
| 233 | static $gColors; |
| 234 | if (!isset($gColors)) { |
| 235 | $gColors = array('#00CC00','#0000FF','#000000','#FF0000','#00FF00','#FFFF00','#FF00FF','#00FFFF','#808080','#800000','#008000','#000080','#808000','#800080','#008080','#C0C0C0'); |
| 236 | } |
| 237 | |
| 238 | if (!in_array($this->status, array('ok','readonly'))) { trigger_error('Error: rrd status is '.$this->status, E_USER_WARNING); return false; } |
| 239 | |
| 240 | // assemble configuration |
| 241 | $gconf = (array)$extra; |
| 242 | if (!is_null($sub) && is_array($this->config_raw['graph.'.$sub])) { |
| 243 | $gconf = $gconf + $this->config_raw['graph.'.$sub]; |
| 244 | } |
| 245 | $gconf = $gconf + (array)$this->config_graph; |
| 246 | |
| 247 | if (isset($gconf['format']) && ($gconf['format'] == 'SVG')) { |
| 248 | $format = $gconf['format']; $fmt_ext = '.svg'; |
| 249 | } |
| 250 | elseif (isset($gconf['format']) && ($gconf['format'] == 'EPS')) { |
| 251 | $format = $gconf['format']; $fmt_ext = '.eps'; |
| 252 | } |
| 253 | elseif (isset($gconf['format']) && ($gconf['format'] == 'PDF')) { |
| 254 | $format = $gconf['format']; $fmt_ext = '.pdf'; |
| 255 | } |
| 256 | else { |
| 257 | $format = 'PNG'; $fmt_ext = '.png'; |
| 258 | } |
| 259 | |
| 260 | if (isset($gconf['filename'])) { $fname = $gconf['filename']; } |
| 261 | else { $fname = str_replace('.rrd', (is_null($sub)?'':'-%s').'-%t%f', $this->rrd_file); } |
| 262 | $fname = str_replace('%s', strval($sub), $fname); |
| 263 | $fname = str_replace('%t', $timeframe, $fname); |
| 264 | $fname = str_replace('%f', $fmt_ext, $fname); |
| 265 | if (substr($fname, -strlen($fmt_ext)) != $fmt_ext) { $fname .= $fmt_ext; } |
| 266 | if (isset($gconf['path'])) { $fname = $gconf['path'].'/'.$fname; } |
| 267 | $fname = str_replace('//', '/', $fname); |
| 268 | |
| 269 | $graphrows = array(); $gC = 0; |
| 270 | $gDefs = ''; $gGraphs = ''; $addSpecial = ''; |
| 271 | |
| 272 | if ($timeframe == 'day') { |
| 273 | $duration = isset($gconf['duration'])?$gconf['duration']:30*3600; // 30 hours |
| 274 | $slice = isset($gconf['slice'])?$gconf['slice']:300; // 5 minutes |
| 275 | // vertical lines at day borders |
| 276 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d')).'#FF0000'; |
| 277 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' -1 day').'#FF0000'; |
| 278 | if (!isset($gconf['grid_x'])) { $gconf['grid_x'] = 'HOUR:1:HOUR:6:HOUR:2:0:%-H'; } |
| 279 | } |
| 280 | elseif ($timeframe == 'week') { |
| 281 | $duration = isset($gconf['duration'])?$gconf['duration']:8*86400; // 8 days |
| 282 | $slice = isset($gconf['slice'])?$gconf['slice']:1800; // 30 minutes |
| 283 | // vertical lines at week borders |
| 284 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' '.(-date('w')+1).' day').'#FF0000'; |
| 285 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' '.(-date('w')-6).' day').'#FF0000'; |
| 286 | } |
| 287 | elseif ($timeframe == 'month') { |
| 288 | $duration = isset($gconf['duration'])?$gconf['duration']:36*86400; // 36 days |
| 289 | $slice = isset($gconf['slice'])?$gconf['slice']:7200; // 2 hours |
| 290 | // vertical lines at month borders |
| 291 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-01')).'#FF0000'; |
| 292 | $addSpecial .= ' VRULE:'.strtotime(date('Y-m-01').' -1 month').'#FF0000'; |
| 293 | } |
| 294 | elseif ($timeframe == 'year') { |
| 295 | $duration = isset($gconf['duration'])?$gconf['duration']:396*86400; // 365+31 days |
| 296 | $slice = isset($gconf['slice'])?$gconf['slice']:86400; // 1 day |
| 297 | // vertical lines at month borders |
| 298 | $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01')).'#FF0000'; |
| 299 | $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01').' -1 year').'#FF0000'; |
| 300 | } |
| 301 | else { |
| 302 | $duration = isset($gconf['duration'])?$gconf['duration']:$this->rrd_step*500; // 500 steps |
| 303 | $slice = isset($gconf['slice'])?$gconf['slice']:$this->rrd_step; // whatever our step is |
| 304 | } |
| 305 | |
| 306 | if (isset($gconf['rows']) && count($gconf['rows'])) { |
| 307 | foreach ($gconf['rows'] as $erow) { |
| 308 | if (isset($erow['name']) && strlen($erow['name'])) { |
| 309 | if (!isset($erow['scale']) && isset($gconf['scale'])) { $erow['scale'] = $gconf['scale']; } |
| 310 | $grow = array(); |
| 311 | $grow['dType'] = isset($erow['dType'])?$erow['dType']:'DEF'; |
| 312 | $grow['name'] = $erow['name'].(isset($erow['scale'])?'_tmp':''); |
| 313 | if ($grow['dType'] == 'DEF') { |
| 314 | $grow['dsname'] = isset($erow['dsname'])?$erow['dsname']:$erow['name']; |
| 315 | $grow['cf'] = isset($erow['cf'])?$erow['cf']:'AVERAGE'; |
| 316 | } |
| 317 | else { |
| 318 | $grow['rpn_expr'] = isset($erow['rpn_expr'])?$erow['rpn_expr']:'0'; |
| 319 | } |
| 320 | if (isset($erow['scale'])) { |
| 321 | $graphrows[] = $grow; |
| 322 | $grow = array(); |
| 323 | $grow['dType'] = 'CDEF'; |
| 324 | $grow['name'] = $erow['name']; |
| 325 | $grow['rpn_expr'] = $erow['name'].'_tmp,'.$erow['scale'].',*'; |
| 326 | } |
| 327 | $grow['gType'] = isset($erow['gType'])?$erow['gType']:'LINE1'; |
| 328 | $grow['color'] = isset($erow['color'])?$erow['color']:$gColors[$gC++]; |
| 329 | if ($gC >= count($gColors)) { $gC = 0; } |
| 330 | if (isset($erow['legend'])) { |
| 331 | $grow['legend'] = $erow['legend']; |
| 332 | if (!isset($gconf['show_legend'])) { $gconf['show_legend'] = true; } |
| 333 | } |
| 334 | if (isset($erow['stack'])) { $grow['stack'] = ($erow['stack'] == true); } |
| 335 | $graphrows[] = $grow; |
| 336 | } |
| 337 | } |
| 338 | } |
| 339 | else { |
| 340 | foreach ($this->rrd_fields as $key=>$ds) { |
| 341 | $grow = array(); |
| 342 | $grow['dType'] = 'DEF'; |
| 343 | $grow['name'] = $ds['name'].(isset($gconf['scale'])?'_tmp':''); |
| 344 | $grow['dsname'] = $ds['name']; |
| 345 | $grow['cf'] = 'AVERAGE'; |
| 346 | if (isset($gconf['scale'])) { |
| 347 | $graphrows[] = $grow; |
| 348 | $grow = array(); |
| 349 | $grow['dType'] = 'CDEF'; |
| 350 | $grow['name'] = $ds['name']; |
| 351 | $grow['rpn_expr'] = $ds['name'].'_tmp,'.$gconf['scale'].',*'; |
| 352 | } |
| 353 | $grow['gType'] = ((count($this->rrd_fields)==2) && ($key==0))?'AREA':'LINE1'; |
| 354 | $grow['color'] = $gColors[$gC++]; if ($gC >= count($gColors)) { $gC = 0; } |
| 355 | $graphrows[] = $grow; |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | if (isset($gconf['special']) && count($gconf['special'])) { |
| 360 | foreach ($gconf['special'] as $crow) { |
| 361 | $srow = array(); |
| 362 | $srow['sType'] = isset($crow['sType'])?$crow['sType']:'COMMENT'; |
| 363 | if ($grow['sType'] != 'COMMENT') { |
| 364 | // XXX: use line below and remove cf var once we have rrdtol 1.2 |
| 365 | // $srow['name'] = $crow['name'].(isset($crow['cf'])?'_'.$crow['cf']:''); |
| 366 | $srow['name'] = $crow['name']; |
| 367 | $srow['cf'] = isset($crow['cf'])?$crow['cf']:'AVERAGE'; |
| 368 | if (isset($crow['cf'])) { |
| 369 | // XXX: use line below once we have rrdtol 1.2 |
| 370 | // $graphrows[] = array('dType'=>'VDEF', 'name'=>$srow['name'].'_'.$crow['cf'], 'rpn_expr'=>$srow['name'].','.$crow['cf']); |
| 371 | } |
| 372 | elseif (isset($crow['rpn_expr'])) { |
| 373 | // XXX: does only work with rrdtool 1.2 |
| 374 | $graphrows[] = array('dType'=>'VDEF', 'name'=>$srow['name'], 'rpn_expr'=>$crow['rpn_expr']); |
| 375 | } |
| 376 | } |
| 377 | $srow['text'] = isset($crow['text'])?$crow['text']:''; |
| 378 | $specialrows[] = $srow; |
| 379 | } |
| 380 | } |
| 381 | else { |
| 382 | foreach ($graphrows as $grow) { |
| 383 | if (isset($grow['gType']) && strlen($grow['gType'])) { |
| 384 | $textprefix = isset($grow['legend'])?$grow['legend']:$grow['name']; |
| 385 | // XXX: use lines below once we have rrdtol 1.2 |
| 386 | // $graphrows[] = array('dType'=>'VDEF', 'name'=>$grow['name'].'_last', 'rpn_expr'=>$grow['name'].',LAST'); |
| 387 | // $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'].'_last', 'text'=>'%3.2lf%s'); |
| 388 | $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'MAX', 'text'=>$textprefix.'|Maximum|%.2lf%s'); |
| 389 | $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'AVERAGE', 'text'=>$textprefix.'|Average|%.2lf%s'); |
| 390 | $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'LAST', 'text'=>$textprefix.'|Current|%.2lf%s'); |
| 391 | } |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | $endtime = isset($gconf['time_end'])?$gconf['time_end']:(is_numeric($this->last_update())?$this->last_update():time()); |
| 396 | $gOpts = ' --start '.($endtime-$duration).' --end '.$endtime.' --step '.$slice; |
| 397 | if (isset($gconf['label_top'])) { $gOpts .= ' --title '.$this->text_quote($gconf['label_top']); } |
| 398 | if (isset($gconf['label_y'])) { $gOpts .= ' --vertical-label '.$this->text_quote($gconf['label_y']); } |
| 399 | if (isset($gconf['width'])) { $gOpts .= ' --width '.$gconf['width']; } |
| 400 | if (isset($gconf['height'])) { $gOpts .= ' --height '.$gconf['height']; |
| 401 | if (($gconf['height'] <= 32) && isset($gconf['thumb']) && ($gconf['thumb'])) { $gOpts .= ' --only-graph'; } |
| 402 | } |
| 403 | if (!isset($gconf['show_legend']) || (!$gconf['show_legend'])) { $gOpts .= ' --no-legend'; } |
| 404 | if (isset($gconf['min_y'])) { $gOpts .= ' --lower-limit '.$gconf['min_y']; } |
| 405 | if (isset($gconf['max_y'])) { $gOpts .= ' --upper-limit '.$gconf['max_y']; } |
| 406 | if (isset($gconf['fix_scale_y']) && $gconf['fix_scale_y']) { $gOpts .= ' --rigid'; } |
| 407 | if (isset($gconf['grid_x'])) { $gOpts .= ' --x-grid '.$gconf['grid_x']; } |
| 408 | if (isset($gconf['grid_y'])) { $gOpts .= ' --y-grid '.$gconf['grid_y']; } |
| 409 | if (isset($gconf['units_exponent'])) { $gOpts .= ' --units-exponent '.$gconf['units_exponent']; } |
| 410 | if (isset($gconf['units_length'])) { $gOpts .= ' --units-length '.$gconf['units_length']; } |
| 411 | if (!isset($gconf['force_recreate']) || (!$gconf['force_recreate'])) { $gOpts .= ' --lazy'; } |
| 412 | if (isset($gconf['force_color']) && is_array($gconf['force_color'])) { |
| 413 | foreach ($gconf['force_color'] as $ctag=>$cval) { $gOpts .= ' --color '.$ctag.$cval; } |
| 414 | } |
| 415 | if (isset($gconf['force_font']) && is_array($gconf['force_font'])) { |
| 416 | foreach ($gconf['force_font'] as $ctag=>$cval) { $gOpts .= ' --font '.$ctag.$cval; } |
| 417 | } |
| 418 | if (isset($gconf['units_binary']) && $gconf['units_binary']) { $gOpts .= ' --base 1024'; } |
| 419 | |
| 420 | foreach ($graphrows as $grow) { |
| 421 | if (isset($grow['dType']) && strlen($grow['dType'])) { |
| 422 | $gDefs .= ' '.$grow['dType'].':'.$grow['name'].'='; |
| 423 | $gDefs .= ($grow['dType']=='DEF')?$this->rrd_file.':'.$grow['dsname'].':'.$grow['cf']:$grow['rpn_expr']; |
| 424 | } |
| 425 | if (isset($grow['gType']) && strlen($grow['gType'])) { |
| 426 | // XXX: change from STACK type to STACK flag once we have rrdtool 1.2 |
| 427 | if (isset($grow['stack']) && $grow['stack']) { $grow['gType'] = 'STACK'; } |
| 428 | $gGraphs .= ' '.$grow['gType'].':'.$grow['name'].$grow['color']; |
| 429 | if (isset($grow['legend'])) { $gGraphs .= ':'.$this->text_quote($grow['legend']); } |
| 430 | // XXX: remove above STACK if-command and uncomment the one below once we have rrdtool 1.2 |
| 431 | //if (isset($grow['stack']) && $grow['stack']) { $gGraphs .= ':STACK'; } |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | foreach ($specialrows as $srow) { |
| 436 | $addSpecial .= ' '.$srow['sType']; |
| 437 | // XXX: eliminate cf once we have rrdtool 1.2 |
| 438 | // $addSpecial .= ($grow['sType']!='COMMENT')?':'.$grow['name']:''); |
| 439 | $addSpecial .= (($srow['sType']!='COMMENT')?':'.$srow['name'].':'.$srow['cf']:''); |
| 440 | $addSpecial .= ':'.$this->text_quote($srow['text']); |
| 441 | } |
| 442 | |
| 443 | $graph_cmd = 'rrdtool graph '.str_replace('*', '\*', $fname.$gOpts.$gDefs.$gGraphs.$addSpecial); |
| 444 | $return = `$graph_cmd 2>&1`; |
| 445 | |
| 446 | if (strpos($return, 'ERROR') !== false) { |
| 447 | trigger_error('rrd graph error: '.$return, E_USER_WARNING); |
| 448 | $return = $graph_cmd."\n\n".$return; |
| 449 | } |
| 450 | $return = 'file:'.$fname."\n".$return; |
| 451 | return $return; |
| 452 | } |
| 453 | |
| 454 | function simple_html($sub = null, $page_extras = null, $graph_extras = null) { |
| 455 | // create a simple (MRTG-like) HTML page and return it in a string |
| 456 | $basename = str_replace('.rrd', '', $this->rrd_file); |
| 457 | |
| 458 | // assemble configuration |
| 459 | $pconf = (array)$page_extras; |
| 460 | if (!is_null($sub) && is_array($this->config_raw['page.'.$sub])) { |
| 461 | $pconf = $pconf + $this->config_raw['page.'.$sub]; |
| 462 | } |
| 463 | $pconf = $pconf + (array)$this->config_page; |
| 464 | |
| 465 | $ptitle = isset($pconf['title_page'])?$pconf['title_page']:$basename.' - RRD statistics'; |
| 466 | $gtitle = array(); |
| 467 | $gtitle['day'] = isset($pconf['title_day'])?$pconf['title_day']:'Day overview (scaling 5 minutes)'; |
| 468 | $gtitle['week'] = isset($pconf['title_week'])?$pconf['title_week']:'Week overview (scaling 30 minutes)'; |
| 469 | $gtitle['month'] = isset($pconf['title_month'])?$pconf['title_month']:'Month overview (scaling 2 hours)'; |
| 470 | $gtitle['year'] = isset($pconf['title_year'])?$pconf['title_year']:'Year overview (scaling 1 day)'; |
| 471 | |
| 472 | $out = '<html><head>'; |
| 473 | $out .= '<title>'.$ptitle.'</title>'; |
| 474 | $out .= '<style>'; |
| 475 | if (isset($pconf['style_base'])) { $out .= $pconf['style_base']; } |
| 476 | else { |
| 477 | $out .= 'h1 { font-weight: bold; font-size: 1.5em; }'; |
| 478 | $out .= 'h2 { font-weight: bold; font-size: 1em; }'; |
| 479 | $out .= '.gdata, .gvar, .ginfo { font-size: 0.75em; margin: 0.5em 0; }'; |
| 480 | $out .= 'table.gdata { border: 1px solid gray; border-collapse: collapse; }'; |
| 481 | $out .= 'table.gdata td, table.gdata th { border: 1px solid gray; padding: 0.1em 0.2em; }'; |
| 482 | $out .= '.footer { font-size: 0.75em; margin: 0.5em 0; }'; |
| 483 | } |
| 484 | if (isset($pconf['style'])) { $out .= $pconf['style']; } |
| 485 | $out .= '</style>'; |
| 486 | $out .= '</head>'; |
| 487 | $out .= '<body>'; |
| 488 | |
| 489 | $out .= '<h1>'.$ptitle.'</h1>'; |
| 490 | if (!isset($pconf['show_update']) || $pconf['show_update']) { |
| 491 | $out .= '<p class="last_up">Last Update: '.date('Y-m-d H:i:s', $this->last_update()).'</p>'; |
| 492 | } |
| 493 | |
| 494 | if (in_array($this->status, array('ok','readonly'))) { |
| 495 | $g_sub = isset($pconf['graph_sub'])?$pconf['graph_sub']:null; |
| 496 | foreach (array('day','week','month','year') as $tframe) { |
| 497 | $ret = $this->graph($tframe, $g_sub, $graph_extras); |
| 498 | if (strpos($ret, "\n\n") !== false) { $graph_cmd = substr($ret, 0, strpos($ret, "\n\n")); $ret = substr($ret, strpos($ret, "\n\n")+2); } |
| 499 | else { $graph_cmd = null; } |
| 500 | $grout = explode("\n",$ret); |
| 501 | $gfilename = null; |
| 502 | $gmeta = array(); |
| 503 | foreach ($grout as $gline) { |
| 504 | if (preg_match('/^file:(.+)$/', $gline, $regs)) { |
| 505 | $gfilename = $regs[1]; |
| 506 | } |
| 507 | elseif (preg_match('/^(\d+)x(\d+)$/', $gline, $regs)) { |
| 508 | $gmeta['width'] = $regs[1]; $gmeta['height'] = $regs[2]; |
| 509 | } |
| 510 | elseif (preg_match('/^([^\|]+)\|([^|]+)\|([^\|]*)$/', $gline, $regs)) { |
| 511 | $gmeta['data'][$regs[1]][$regs[2]] = $regs[3]; |
| 512 | } |
| 513 | elseif (preg_match('/^([^\|]+)\|([^\|]*)$/', $gline, $regs)) { |
| 514 | $gmeta['var'][$regs[1]] = $regs[2]; |
| 515 | } |
| 516 | elseif (strlen(trim($gline))) { |
| 517 | $gmeta['info'][] = $gline; |
| 518 | } |
| 519 | } |
| 520 | if (is_null($gfilename)) { $gfilename = $basename.(!is_null($g_sub)?'-'.$g_sub:'').'-'.$tframe.'.png'; } |
| 521 | if (isset($pconf['graph_url'])) { |
| 522 | $gURL = $pconf['graph_url']; |
| 523 | $fname = str_replace('%f', basename($gfilename), $gURL); |
| 524 | $fname = str_replace('%p', $gfilename, $gURL); |
| 525 | if (substr($gURL, -1) == '/') { $gURL .= $gfilename; } |
| 526 | } |
| 527 | else { |
| 528 | $gURL = $gfilename; |
| 529 | } |
| 530 | $out .= '<div class="'.$tframe.'">'; |
| 531 | // $out .= '<p>'.nl2br($ret).'</p>'; |
| 532 | $out .= '<h2>'.$gtitle[$tframe].'</h2>'; |
| 533 | $out .= '<img src="'.$gURL.'"'; |
| 534 | $out .= ' alt="'.$basename.(!is_null($g_sub)?' - '.$g_sub:'').' - '.$tframe.'" class="rrdgraph"'; |
| 535 | $out .= ' style="width:'.$gmeta['width'].'px;height:'.$gmeta['height'].'px;">'; |
| 536 | if (isset($gmeta['data']) && count($gmeta['data'])) { |
| 537 | $out .= '<table class="gdata">'; |
| 538 | foreach ($gmeta['data'] as $field=>$gdata) { |
| 539 | $out .= '<tr><th>'.$field.'</th>'; |
| 540 | foreach ($gdata as $gkey=>$gval) { |
| 541 | $out .= '<td><span class="gkey">'.$gkey.': </span>'.$gval.'</td>'; |
| 542 | } |
| 543 | $out .= '</tr>'; |
| 544 | } |
| 545 | $out .= '</table>'; |
| 546 | } |
| 547 | if (isset($gmeta['var']) && count($gmeta['var'])) { |
| 548 | foreach ($gmeta['var'] as $gkey=>$gval) { |
| 549 | $out .= '<p class="gvar"><span class="gkey">'.$gkey.': </span>'.$gval.'</p>'; |
| 550 | } |
| 551 | } |
| 552 | if (isset($gmeta['info']) && count($gmeta['info'])) { |
| 553 | foreach ($gmeta['info'] as $gval) { |
| 554 | $out .= '<p class="ginfo">'.$gval.'</p>'; |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | } |
| 559 | else { |
| 560 | $out .= 'RRD error: status is "'.$this->status.'"'; |
| 561 | } |
| 562 | $out .= '</div>'; |
| 563 | |
| 564 | $out .= '<p class="footer">'; |
| 565 | $out .= 'Statistics created by <a href="http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/">RRDtool</a>'; |
| 566 | $out .= ' using a library created by <a href="http://www.kairo.at/">KaiRo.at</a>.'; |
| 567 | $out .= '</p>'; |
| 568 | |
| 569 | $out .= '</body></html>'; |
| 570 | return $out; |
| 571 | } |
| 572 | |
| 573 | function last_update() { |
| 574 | // fetch time of last update in this RRD file |
| 575 | static $last_update; |
| 576 | if (!isset($last_update) && in_array($this->status, array('ok','readonly'))) { |
| 577 | $last_cmd = 'rrdtool last '.$this->rrd_file; |
| 578 | $return = trim(`$last_cmd 2>&1`); |
| 579 | $last_update = is_numeric($return)?$return:null; |
| 580 | } |
| 581 | return isset($last_update)?$last_update:null; |
| 582 | } |
| 583 | |
| 584 | function text_quote($text) { return '"'.str_replace('"', '\"', str_replace(':', '\:', $text)).'"'; } |
| 585 | } |
| 586 | ?> |