X-Git-Url: https://git-public.kairo.at/?p=php-utility-classes.git;a=blobdiff_plain;f=include%2Fclasses%2Frrdstat.php-class;h=6eed1bf259c75360e3aab44cac1ed2cfc3a78df0;hp=575f7dff589f6b2f38579eaf0ccad6ca85916b12;hb=579a80ebd0fdf1304f305b36058b9c8499d50a45;hpb=b7878f4d9099a3b3ebe8e42d190d7bfba57c2db6 diff --git a/include/classes/rrdstat.php-class b/include/classes/rrdstat.php-class index 575f7df..6eed1bf 100644 --- a/include/classes/rrdstat.php-class +++ b/include/classes/rrdstat.php-class @@ -2,7 +2,12 @@ // ************ RRD status class ************** class rrdstat { - var $rrd_file = 'sample.rrd'; + var $rrd_file = null; + var $basename = null; + + var $config_raw = null; + var $config_graph = null; + var $config_page = null; var $rrd_fields = array(); var $rra_base = array(); @@ -11,38 +16,53 @@ class rrdstat { var $status = 'unused'; - function rrdstat($init_info = null) { + function rrdstat($rrdconfig, $conf_id = null) { // ***** init RRD stat module ***** - $this->set_def($init_info); + $this->set_def($rrdconfig, $conf_id); - if (!is_writeable($this->rrd_file)) { - if (!file_exists($this->rrd_file)) { - if (touch($this->rrd_file)) { $this->create(); } - else { trigger_error('RRD file can not be created', E_USER_WARNING); } + if (!is_null($this->rrd_file)) { + if (!is_writeable($this->rrd_file)) { + if (!file_exists($this->rrd_file)) { + if (@touch($this->rrd_file)) { $this->create(); } + else { trigger_error('RRD file can not be created', E_USER_WARNING); } + } + else { + if (is_readable($this->rrd_file)) { $this->status = 'readonly'; } + else { trigger_error('RRD file is not readable', E_USER_WARNING); } + } } else { - if (is_readable($this->rrd_file)) { $this->status = 'readonly'; } - else { trigger_error('RRD file is not readable', E_USER_WARNING); } + $this->status = 'ok'; } } - else { - $this->status = 'ok'; - } } - function set_def($init_info = null) { - if (is_array($init_info) && isset($init_info['file'])) { + function set_def($rrdconfig, $conf_id = null) { + if (is_array($rrdconfig)) { // we have an array in the format we like to have - $iinfo =& $init_info; + $complete_conf =& $rrdconfig; } else { // we have something else (XML data?), try to generate the iinfo aray from it - $iinfo =& $init_info; + $complete_conf =& $rrdconfig; + } + + if (!is_null($conf_id)) { + $iinfo = isset($complete_conf[$conf_id])?$complete_conf[$conf_id]:array(); + if (isset($complete_conf['*'])) { + $iinfo = (array)$iinfo + (array)$complete_conf['*']; + if (isset($complete_conf['*']['graph'])) { $iinfo['graph'] = (array)$iinfo['graph'] + (array)$complete_conf['*']['graph']; } + if (isset($complete_conf['*']['page'])) { $iinfo['page'] = (array)$iinfo['page'] + (array)$complete_conf['*']['page']; } + } + } + else { + $iinfo = $complete_conf; } if (!isset($iinfo['file'])) { return false; } $this->rrd_file = $iinfo['file']; + $this->basename = (substr($this->rrd_file, -4) == '.rrd')?substr($this->rrd_file, 0, -4):$this->rrd_file; // fields (data sources, DS) // name - DS name @@ -81,6 +101,10 @@ class rrdstat { } $this->rra_add_max = isset($iinfo['rra_add_max'])?$iinfo['rra_add_max']:true; + + if (isset($iinfo['graph'])) { $this->config_graph = $iinfo['graph']; } + if (isset($iinfo['page'])) { $this->config_page = $iinfo['page']; } + $this->config_raw = $iinfo; } function create() { @@ -114,9 +138,10 @@ class rrdstat { } } } - $output = array(); $return_var = null; - exec($create_cmd, $output, $return_var); - if ($return_var) { trigger_error('rrd create returned with value '.$return_var, E_USER_WARNING); } + $return = `$create_cmd 2>&1`; + if (strpos($return, 'ERROR') !== false) { + trigger_error($this->rrd_file.' - rrd create error: '.$return, E_USER_WARNING); + } else { $this->status = 'ok'; } } @@ -124,110 +149,457 @@ class rrdstat { // feed new data into RRD if ($this->status != 'ok') { trigger_error('Cannot update non-writeable file', E_USER_WARNING); return 1; } $upvals = array(); - foreach($this->rrd_fields as $ds) { - if (is_array($upArray) && isset($upArray[$ds['name']])) { $val = $upArray[$ds['name']]; } - elseif (isset($ds['update'])) { $val = eval($ds['update']); } - else { $val = null; } - $upvals[] = $val; + if (isset($this->config_raw['update'])) { + $evalcode = $this->config_raw['update']; + if (!is_null($evalcode)) { + ob_start(); + eval($evalcode); + $upvals = explode("\n", ob_get_contents()); + ob_end_clean(); + } + $walkfunc = create_function('&$val,$key', '$val = is_numeric($val)?$val:"U";'); + array_walk($upvals, $walkfunc); + } + else { + foreach ($this->rrd_fields as $ds) { + if (is_array($upArray) && isset($upArray[$ds['name']])) { $val = $upArray[$ds['name']]; } + elseif (isset($ds['update'])) { + $val = null; $evalcode = null; + if (substr($ds['update'], 0, 4) == 'val:') { + $evalcode = 'print(trim('.substr($ds['update'], 4).'));'; + } + elseif (substr($ds['update'], 0, 8) == 'snmp-if:') { + $snmphost = 'localhost'; $snmpcomm = 'public'; + list($nix, $ifname, $valtype) = explode(':', $ds['update'], 3); + $iflist = explode("\n", `snmpwalk -v2c -c $snmpcomm $snmphost interfaces.ifTable.ifEntry.ifDescr`); + $ifnr = null; + foreach ($iflist as $ifdesc) { + if (preg_match('/ifDescr\.(\d+) = STRING: '.$ifname.'/', $ifdesc, $regs)) { $ifnr = $regs[1]; } + } + $oid = null; + if ($valtype == 'in') { $oid = '1.3.6.1.2.1.2.2.1.10.'.$ifnr; } + elseif ($valtype == 'out') { $oid = '1.3.6.1.2.1.2.2.1.16.'.$ifnr; } + if (!is_null($ifnr) && !is_null($oid)) { + $evalcode = 'print(trim(substr(strrchr(`snmpget -v2c -c '.$snmpcomm.' '.$snmphost.' '.$oid.'`,":"),1)));'; + } + } + else { $evalcode = $ds['update']; } + if (!is_null($evalcode)) { + ob_start(); + eval($evalcode); + $val = ob_get_contents(); + ob_end_clean(); + } + } + else { $val = null; } + $upvals[] = is_null($val)?'U':$val; + } } $update_cmd = 'rrdtool update '.$this->rrd_file.' N:'.implode(':', $upvals); - $output = array(); $return_var = null; - exec($update_cmd, $output, $return_var); - if ($return_var) { trigger_error('rrd update returned with value '.$return_var, E_USER_WARNING); } + $return = `$update_cmd 2>&1`; + + if (strpos($return, 'ERROR') !== false) { + trigger_error($this->rrd_file.' - rrd update error: '.$return, E_USER_WARNING); + $success = false; + } + else { $success = true; } return ($return_var == 0); } - function graph($filename, $timeframe, $extra = null) { - // create an RRD graph - static $gColors; + function fetch($cf = 'AVERAGE', $resolution = null, $start = null, $end = null) { + // fetch data from a RRD + if (!in_array($this->status, array('ok','readonly'))) { trigger_error('Error: rrd status is '.$this->status, E_USER_WARNING); return false; } + + if (!in_array($cf, array('AVERAGE','MIN','MAX','LAST'))) { $cf = 'AVERAGE'; } + if (!is_numeric($resolution)) { $resolution = $this->rrd_step; } + if (!is_numeric($end)) { $end = $this->last_update(); } + elseif ($end < 0) { $end += $this->last_update(); } + $end = intval($end/$resolution)*$resolution; + if (!is_numeric($start)) { $start = $end; } + elseif ($start < 0) { $start += $end; } + $start = intval($start/$resolution)*$resolution; + + $fetch_cmd = 'rrdtool fetch '.$this->rrd_file.' '.$cf.' --resolution '.$resolution.' --start '.$start.' --end '.$end; + $return = `$fetch_cmd 2>&1`; + + if (strpos($return, 'ERROR') !== false) { + trigger_error($this->rrd_file.' - rrd fetch error: '.$return, E_USER_WARNING); + $fresult = false; + } + else { + $fresult = array(); + $rows = explode("\n", $return); + $fields = preg_split('/\s+/', array_shift($rows)); + if (array_shift($fields) == 'timestamp') { + $fresult[0] = $fields; + foreach ($rows as $row) { + if (strlen(trim($row))) { + $rvals = preg_split('/\s+/', $row); + $rtime = array_shift($rvals); + $rv_array = array(); + foreach ($rvals as $key=>$rval) { + $rv_array[$fields[$key]] = ($rval=='nan')?null:floatval($rval); + } + $fresult[$rtime] = $rv_array; + } + } + } + } + return $fresult; + } + function graph($timeframe = 'day', $sub = null, $extra = null) { + // create a RRD graph + static $gColors; if (!isset($gColors)) { $gColors = array('#00CC00','#0000FF','#000000','#FF0000','#00FF00','#FFFF00','#FF00FF','#00FFFF','#808080','#800000','#008000','#000080','#808000','#800080','#008080','#C0C0C0'); } - if (is_null($filename) || !strlen($filename)) { $filename = str_replace('.rrd', '-%tf.png', $this->rrd_file); } - $fname = str_replace('%tf', $timeframe, $filename); - if (substr($fname, -4) != '.png') { $fname .= '.png'; } + if (!in_array($this->status, array('ok','readonly'))) { trigger_error('Error: rrd status is '.$this->status, E_USER_WARNING); return false; } - // [-s|--start time] [-e|--end time] [-S|--step seconds] - if ($timeframe == 'day') { $timeinfo = '--start -86400'; } - elseif ($timeframe == 'week') { $timeinfo = '--start -604800'; } - elseif ($timeframe == 'month') { $timeinfo = '--start -2678400'; } - elseif ($timeframe == 'year') { $timeinfo = '--start -31622400'; } - else { $timeinfo = '--start -'.$this->rrd_step*500; } + // assemble configuration + $gconf = (array)$extra; + if (!is_null($sub) && is_array($this->config_raw['graph.'.$sub])) { + $gconf = $gconf + $this->config_raw['graph.'.$sub]; + } + $gconf = $gconf + (array)$this->config_graph; + + if (isset($gconf['format']) && ($gconf['format'] == 'SVG')) { + $format = $gconf['format']; $fmt_ext = '.svg'; + } + elseif (isset($gconf['format']) && ($gconf['format'] == 'EPS')) { + $format = $gconf['format']; $fmt_ext = '.eps'; + } + elseif (isset($gconf['format']) && ($gconf['format'] == 'PDF')) { + $format = $gconf['format']; $fmt_ext = '.pdf'; + } + else { + $format = 'PNG'; $fmt_ext = '.png'; + } + + if (isset($gconf['filename'])) { $fname = $gconf['filename']; } + else { $fname = $this->basename.(is_null($sub)?'':'-%s').'-%t%f'; } + $fname = str_replace('%s', strval($sub), $fname); + $fname = str_replace('%t', $timeframe, $fname); + $fname = str_replace('%f', $fmt_ext, $fname); + if (substr($fname, -strlen($fmt_ext)) != $fmt_ext) { $fname .= $fmt_ext; } + if (isset($gconf['path'])) { $fname = $gconf['path'].'/'.$fname; } + $fname = str_replace('//', '/', $fname); $graphrows = array(); $gC = 0; - if (isset($extra['rows']) && count($extra['rows'])) { - foreach ($extra['rows'] as $erow) { + $gDefs = ''; $gGraphs = ''; $addSpecial = ''; + + if ($timeframe == 'day') { + $duration = isset($gconf['duration'])?$gconf['duration']:30*3600; // 30 hours + $slice = isset($gconf['slice'])?$gconf['slice']:300; // 5 minutes + // vertical lines at day borders + $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d')).'#FF0000'; + $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' -1 day').'#FF0000'; + if (!isset($gconf['grid_x'])) { $gconf['grid_x'] = 'HOUR:1:HOUR:6:HOUR:2:0:%-H'; } + } + elseif ($timeframe == 'week') { + $duration = isset($gconf['duration'])?$gconf['duration']:8*86400; // 8 days + $slice = isset($gconf['slice'])?$gconf['slice']:1800; // 30 minutes + // vertical lines at week borders + $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' '.(-date('w')+1).' day').'#FF0000'; + $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' '.(-date('w')-6).' day').'#FF0000'; + } + elseif ($timeframe == 'month') { + $duration = isset($gconf['duration'])?$gconf['duration']:36*86400; // 36 days + $slice = isset($gconf['slice'])?$gconf['slice']:7200; // 2 hours + // vertical lines at month borders + $addSpecial .= ' VRULE:'.strtotime(date('Y-m-01')).'#FF0000'; + $addSpecial .= ' VRULE:'.strtotime(date('Y-m-01').' -1 month').'#FF0000'; + } + elseif ($timeframe == 'year') { + $duration = isset($gconf['duration'])?$gconf['duration']:396*86400; // 365+31 days + $slice = isset($gconf['slice'])?$gconf['slice']:86400; // 1 day + // vertical lines at month borders + $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01')).'#FF0000'; + $addSpecial .= ' VRULE:'.strtotime(date('Y-01-01').' -1 year').'#FF0000'; + } + else { + $duration = isset($gconf['duration'])?$gconf['duration']:$this->rrd_step*500; // 500 steps + $slice = isset($gconf['slice'])?$gconf['slice']:$this->rrd_step; // whatever our step is + } + + if (isset($gconf['rows']) && count($gconf['rows'])) { + foreach ($gconf['rows'] as $erow) { if (isset($erow['name']) && strlen($erow['name'])) { + if (!isset($erow['scale']) && isset($gconf['scale'])) { $erow['scale'] = $gconf['scale']; } $grow = array(); $grow['dType'] = isset($erow['dType'])?$erow['dType']:'DEF'; - $grow['name'] = $erow['name']; - $grow['dsname'] = isset($erow['dsname'])?$erow['dsname']:$erow['name']; - $grow['cf'] = isset($erow['cf'])?$erow['cf']:'AVERAGE'; + $grow['name'] = $erow['name'].(isset($erow['scale'])?'_tmp':''); + if ($grow['dType'] == 'DEF') { + $grow['dsname'] = isset($erow['dsname'])?$erow['dsname']:$erow['name']; + $grow['cf'] = isset($erow['cf'])?$erow['cf']:'AVERAGE'; + } + else { + $grow['rpn_expr'] = isset($erow['rpn_expr'])?$erow['rpn_expr']:'0'; + } + if (isset($erow['scale'])) { + $graphrows[] = $grow; + $grow = array(); + $grow['dType'] = 'CDEF'; + $grow['name'] = $erow['name']; + $grow['rpn_expr'] = $erow['name'].'_tmp,'.$erow['scale'].',*'; + } $grow['gType'] = isset($erow['gType'])?$erow['gType']:'LINE1'; $grow['color'] = isset($erow['color'])?$erow['color']:$gColors[$gC++]; if ($gC >= count($gColors)) { $gC = 0; } - if (isset($erow['legend'])) { $grow['legend'] = $erow['legend']; } + if (isset($erow['legend'])) { + $grow['legend'] = $erow['legend']; + if (!isset($gconf['show_legend'])) { $gconf['show_legend'] = true; } + } if (isset($erow['stack'])) { $grow['stack'] = ($erow['stack'] == true); } $graphrows[] = $grow; } } } else { - foreach ($this->rrd_fields as $ds) { + foreach ($this->rrd_fields as $key=>$ds) { $grow = array(); $grow['dType'] = 'DEF'; - $grow['name'] = $ds['name']; + $grow['name'] = $ds['name'].(isset($gconf['scale'])?'_tmp':''); $grow['dsname'] = $ds['name']; $grow['cf'] = 'AVERAGE'; - $grow['gType'] = ($ds['name']=='ds0')?'AREA':'LINE1'; + if (isset($gconf['scale'])) { + $graphrows[] = $grow; + $grow = array(); + $grow['dType'] = 'CDEF'; + $grow['name'] = $ds['name']; + $grow['rpn_expr'] = $ds['name'].'_tmp,'.$gconf['scale'].',*'; + } + $grow['gType'] = ((count($this->rrd_fields)==2) && ($key==0))?'AREA':'LINE1'; $grow['color'] = $gColors[$gC++]; if ($gC >= count($gColors)) { $gC = 0; } $graphrows[] = $grow; } } - $gDefs = ''; $gGraphs = ''; + if (isset($gconf['special']) && count($gconf['special'])) { + foreach ($gconf['special'] as $crow) { + $srow = array(); + $srow['sType'] = isset($crow['sType'])?$crow['sType']:'COMMENT'; + if ($grow['sType'] != 'COMMENT') { + // XXX: use line below and remove cf var once we have rrdtol 1.2 + // $srow['name'] = $crow['name'].(isset($crow['cf'])?'_'.$crow['cf']:''); + $srow['name'] = $crow['name']; + $srow['cf'] = isset($crow['cf'])?$crow['cf']:'AVERAGE'; + if (isset($crow['cf'])) { + // XXX: use line below once we have rrdtol 1.2 + // $graphrows[] = array('dType'=>'VDEF', 'name'=>$srow['name'].'_'.$crow['cf'], 'rpn_expr'=>$srow['name'].','.$crow['cf']); + } + elseif (isset($crow['rpn_expr'])) { + // XXX: does only work with rrdtool 1.2 + $graphrows[] = array('dType'=>'VDEF', 'name'=>$srow['name'], 'rpn_expr'=>$crow['rpn_expr']); + } + } + $srow['text'] = isset($crow['text'])?$crow['text']:''; + $specialrows[] = $srow; + } + } + else { + foreach ($graphrows as $grow) { + if (isset($grow['gType']) && strlen($grow['gType'])) { + $textprefix = isset($grow['legend'])?$grow['legend']:$grow['name']; + // XXX: use lines below once we have rrdtol 1.2 + // $graphrows[] = array('dType'=>'VDEF', 'name'=>$grow['name'].'_last', 'rpn_expr'=>$grow['name'].',LAST'); + // $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'].'_last', 'text'=>'%3.2lf%s'); + $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'MAX', 'text'=>$textprefix.'|Maximum|%.2lf%s'); + $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'AVERAGE', 'text'=>$textprefix.'|Average|%.2lf%s'); + $specialrows[] = array('sType'=>'PRINT', 'name'=>$grow['name'], 'cf'=>'LAST', 'text'=>$textprefix.'|Current|%.2lf%s'); + } + } + } + + $endtime = isset($gconf['time_end'])?$gconf['time_end']:(is_numeric($this->last_update())?$this->last_update():time()); + $gOpts = ' --start '.($endtime-$duration).' --end '.$endtime.' --step '.$slice; + if (isset($gconf['label_top'])) { $gOpts .= ' --title '.$this->text_quote($gconf['label_top']); } + if (isset($gconf['label_y'])) { $gOpts .= ' --vertical-label '.$this->text_quote($gconf['label_y']); } + if (isset($gconf['width'])) { $gOpts .= ' --width '.$gconf['width']; } + if (isset($gconf['height'])) { $gOpts .= ' --height '.$gconf['height']; + if (($gconf['height'] <= 32) && isset($gconf['thumb']) && ($gconf['thumb'])) { $gOpts .= ' --only-graph'; } + } + if (!isset($gconf['show_legend']) || (!$gconf['show_legend'])) { $gOpts .= ' --no-legend'; } + if (isset($gconf['min_y'])) { $gOpts .= ' --lower-limit '.$gconf['min_y']; } + if (isset($gconf['max_y'])) { $gOpts .= ' --upper-limit '.$gconf['max_y']; } + if (isset($gconf['fix_scale_y']) && $gconf['fix_scale_y']) { $gOpts .= ' --rigid'; } + if (isset($gconf['grid_x'])) { $gOpts .= ' --x-grid '.$gconf['grid_x']; } + if (isset($gconf['grid_y'])) { $gOpts .= ' --y-grid '.$gconf['grid_y']; } + if (isset($gconf['units_exponent'])) { $gOpts .= ' --units-exponent '.$gconf['units_exponent']; } + if (isset($gconf['units_length'])) { $gOpts .= ' --units-length '.$gconf['units_length']; } + if (!isset($gconf['force_recreate']) || (!$gconf['force_recreate'])) { $gOpts .= ' --lazy'; } + if (isset($gconf['force_color']) && is_array($gconf['force_color'])) { + foreach ($gconf['force_color'] as $ctag=>$cval) { $gOpts .= ' --color '.$ctag.$cval; } + } + if (isset($gconf['force_font']) && is_array($gconf['force_font'])) { + foreach ($gconf['force_font'] as $ctag=>$cval) { $gOpts .= ' --font '.$ctag.$cval; } + } + if (isset($gconf['units_binary']) && $gconf['units_binary']) { $gOpts .= ' --base 1024'; } + foreach ($graphrows as $grow) { - $gDefs .= ' '.$grow['dType'].':'.$grow['name'].'='.$this->rrd_file.':'.$grow['dsname'].':'.$grow['cf']; - // XXX: current rrdtools version doesn't support STACK flag, only STACK type - if (isset($grow['stack']) && $grow['stack']) { $grow['gType'] = 'STACK'; } - $gGraphs .= ' '.$grow['gType'].':'.$grow['name'].$grow['color']; - if (isset($grow['legend'])) { $gGraphs .= ':'.$this->text_quote($grow['legend']); } - // XXX: when STACK flag is supported, remove above STACK if-command and uncomment the one below - //if (isset($grow['stack']) && $grow['stack']) { $gGraphs .= ':STACK'; } + if (isset($grow['dType']) && strlen($grow['dType'])) { + $gDefs .= ' '.$grow['dType'].':'.$grow['name'].'='; + $gDefs .= ($grow['dType']=='DEF')?$this->rrd_file.':'.$grow['dsname'].':'.$grow['cf']:$grow['rpn_expr']; + } + if (isset($grow['gType']) && strlen($grow['gType'])) { + // XXX: change from STACK type to STACK flag once we have rrdtool 1.2 + if (isset($grow['stack']) && $grow['stack']) { $grow['gType'] = 'STACK'; } + $gGraphs .= ' '.$grow['gType'].':'.$grow['name'].$grow['color']; + if (isset($grow['legend'])) { $gGraphs .= ':'.$this->text_quote($grow['legend']); } + // XXX: remove above STACK if-command and uncomment the one below once we have rrdtool 1.2 + //if (isset($grow['stack']) && $grow['stack']) { $gGraphs .= ':STACK'; } + } + } + + foreach ($specialrows as $srow) { + $addSpecial .= ' '.$srow['sType']; + // XXX: eliminate cf once we have rrdtool 1.2 + // $addSpecial .= ($grow['sType']!='COMMENT')?':'.$grow['name']:''); + $addSpecial .= (($srow['sType']!='COMMENT')?':'.$srow['name'].':'.$srow['cf']:''); + $addSpecial .= ':'.$this->text_quote($srow['text']); } - $graph_cmd = 'rrdtool graph '.$fname.' '.$timeinfo.$gDefs.$gGraphs; + $graph_cmd = 'rrdtool graph '.str_replace('*', '\*', $fname.$gOpts.$gDefs.$gGraphs.$addSpecial); $return = `$graph_cmd 2>&1`; - $retval = 0; if (strpos($return, 'ERROR') !== false) { - trigger_error('rrd graph error: '.$return, E_USER_WARNING); - $retval = 1; + trigger_error($this->rrd_file.' - rrd graph error: '.$return, E_USER_WARNING); + $return = $graph_cmd."\n\n".$return; } - return $retval; + $return = 'file:'.$fname."\n".$return; + return $return; } - function simple_html($page_extras = null, $graph_extras = null) { + function simple_html($sub = null, $page_extras = null, $graph_extras = null) { // create a simple (MRTG-like) HTML page and return it in a string - $basename = str_replace('.rrd', '', $this->rrd_file); - $out = ''.$basename.' - RRD statistics'; + + // assemble configuration + $pconf = (array)$page_extras; + if (!is_null($sub) && is_array($this->config_raw['page.'.$sub])) { + $pconf = $pconf + $this->config_raw['page.'.$sub]; + } + $pconf = $pconf + (array)$this->config_page; + + $ptitle = isset($pconf['title_page'])?$pconf['title_page']:$this->basename.' - RRD statistics'; + $gtitle = array(); + $gtitle['day'] = isset($pconf['title_day'])?$pconf['title_day']:'Day overview (scaling 5 minutes)'; + $gtitle['week'] = isset($pconf['title_week'])?$pconf['title_week']:'Week overview (scaling 30 minutes)'; + $gtitle['month'] = isset($pconf['title_month'])?$pconf['title_month']:'Month overview (scaling 2 hours)'; + $gtitle['year'] = isset($pconf['title_year'])?$pconf['title_year']:'Year overview (scaling 1 day)'; + + $out = ''; + $out .= ''.$ptitle.''; + $out .= ''; + $out .= ''; + $out .= ''; + + $out .= '

'.$ptitle.'

'; + if (!isset($pconf['show_update']) || $pconf['show_update']) { + $out .= '

Last Update: '.(is_null($this->last_update())?'unknown':date('Y-m-d H:i:s', $this->last_update())).'

'; + } if (in_array($this->status, array('ok','readonly'))) { + $g_sub = isset($pconf['graph_sub'])?$pconf['graph_sub']:null; foreach (array('day','week','month','year') as $tframe) { - $this->graph(null, $tframe, $graph_extras); - $out .= '

'; + $ret = $this->graph($tframe, $g_sub, $graph_extras); + if (strpos($ret, "\n\n") !== false) { $graph_cmd = substr($ret, 0, strpos($ret, "\n\n")); $ret = substr($ret, strpos($ret, "\n\n")+2); } + else { $graph_cmd = null; } + $grout = explode("\n",$ret); + $gfilename = null; + $gmeta = array(); + foreach ($grout as $gline) { + if (preg_match('/^file:(.+)$/', $gline, $regs)) { + $gfilename = $regs[1]; + } + elseif (preg_match('/^(\d+)x(\d+)$/', $gline, $regs)) { + $gmeta['width'] = $regs[1]; $gmeta['height'] = $regs[2]; + } + elseif (preg_match('/^([^\|]+)\|([^|]+)\|([^\|]*)$/', $gline, $regs)) { + $gmeta['data'][$regs[1]][$regs[2]] = $regs[3]; + } + elseif (preg_match('/^([^\|]+)\|([^\|]*)$/', $gline, $regs)) { + $gmeta['var'][$regs[1]] = $regs[2]; + } + elseif (strlen(trim($gline))) { + $gmeta['info'][] = $gline; + } + } + if (is_null($gfilename)) { $gfilename = $this->basename.(!is_null($g_sub)?'-'.$g_sub:'').'-'.$tframe.'.png'; } + if (isset($pconf['graph_url'])) { + $gURL = $pconf['graph_url']; + $fname = str_replace('%f', basename($gfilename), $gURL); + $fname = str_replace('%p', $gfilename, $gURL); + if (substr($gURL, -1) == '/') { $gURL .= $gfilename; } + } + else { + $gURL = $gfilename; + } + $out .= '
'; +// $out .= '

'.nl2br($ret).'

'; + $out .= '

'.$gtitle[$tframe].'

'; + $out .= 'basename.(!is_null($g_sub)?' - '.$g_sub:'').' - '.$tframe.'" class="rrdgraph"'; + $out .= ' style="width:'.$gmeta['width'].'px;height:'.$gmeta['height'].'px;">'; + if (isset($gmeta['data']) && count($gmeta['data'])) { + $out .= ''; + foreach ($gmeta['data'] as $field=>$gdata) { + $out .= ''; + foreach ($gdata as $gkey=>$gval) { + $out .= ''; + } + $out .= ''; + } + $out .= '
'.$field.''.$gkey.': '.$gval.'
'; + } + if (isset($gmeta['var']) && count($gmeta['var'])) { + foreach ($gmeta['var'] as $gkey=>$gval) { + $out .= '

'.$gkey.': '.$gval.'

'; + } + } + if (isset($gmeta['info']) && count($gmeta['info'])) { + foreach ($gmeta['info'] as $gval) { + $out .= '

'.$gval.'

'; + } + } } } else { $out .= 'RRD error: status is "'.$this->status.'"'; } + $out .= '
'; + + $out .= '

'; + $out .= 'Statistics created by RRDtool'; + $out .= ' using a library created by KaiRo.at.'; + $out .= '

'; - $ou .= ''; + $out .= ''; return $out; } + function last_update() { + // fetch time of last update in this RRD file + static $last_update; + if (!isset($last_update) && in_array($this->status, array('ok','readonly'))) { + $last_cmd = 'rrdtool last '.$this->rrd_file; + $return = trim(`$last_cmd 2>&1`); + $last_update = is_numeric($return)?$return:null; + } + return isset($last_update)?$last_update:null; + } + function text_quote($text) { return '"'.str_replace('"', '\"', str_replace(':', '\:', $text)).'"'; } } ?>