X-Git-Url: https://git-public.kairo.at/?p=php-utility-classes.git;a=blobdiff_plain;f=include%2Fclasses%2Frrdstat.php-class;h=dc9da65c2e08d6abfd6c1561ef43d05e5087454f;hp=2d6f92aa73c1fd9554134fbc3f8327a05423c181;hb=a039a75c12bdaa9c987c47f87ba0e54b4f431675;hpb=5f42eda6cf44c168a8e6d22cbe1487a1604f3d3c diff --git a/include/classes/rrdstat.php-class b/include/classes/rrdstat.php-class index 2d6f92a..dc9da65 100644 --- a/include/classes/rrdstat.php-class +++ b/include/classes/rrdstat.php-class @@ -4,6 +4,10 @@ class rrdstat { var $rrd_file = 'sample.rrd'; + var $config_raw = null; + var $config_graph = null; + var $config_page = null; + var $rrd_fields = array(); var $rra_base = array(); var $rrd_step = 300; @@ -81,6 +85,10 @@ 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 = $iinfo; } function create() { @@ -137,59 +145,128 @@ class rrdstat { return ($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($return, 'ERROR') !== false) { + trigger_error('rrd fetch error: '.$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', $special = 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; } + + // assemble configuration + $gconf = $this->config_graph; + if (!is_null($special) && is_array($this->config_raw['graph'][$special])) { + if (is_array($gconf)) { $gconf = array_merge($gconf, $this->config_raw['graph'][$special]); } + else { $gconf = $this->config_raw['graph'][$special]; } + } + if (is_array($extra)) { + if (is_array($gconf)) { $gconf = array_merge($gconf, $extra); } + else { $gconf = $extra; } + } + + if (isset($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 = str_replace('.rrd', '-%t%f', $this->rrd_file); } + $fname = str_replace('%t', $timeframe, $fname); + $fname = str_replace('%f', $fmt_ext, $fname); + if (substr($fname, -strlen($fmt_ext)) != $fmt_ext) { $fname .= $fmt_ext; } $graphrows = array(); $gC = 0; $gDefs = ''; $gGraphs = ''; $addSpecial = ''; if ($timeframe == 'day') { - $duration = isset($extra['duration'])?$extra['duration']:30*3600; // 30 hours - $slice = isset($extra['slice'])?$extra['slice']:300; // 5 minutes + $duration = isset($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'; $addSpecial .= ' VRULE:'.strtotime(date('Y-m-d').' -1 day').'#FF0000'; - if (!isset($extra['grid_x'])) { $extra['grid_x'] = 'HOUR:1:HOUR:6:HOUR:2:0:%-H'; } + if (!isset($gconf['grid_x'])) { $gconf['grid_x'] = 'HOUR:1:HOUR:6:HOUR:2:0:%-H'; } } elseif ($timeframe == 'week') { - $duration = isset($extra['duration'])?$extra['duration']:8*86400; // 8 days - $slice = isset($extra['slice'])?$extra['slice']:1800; // 30 minutes + $duration = isset($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') { - $duration = isset($extra['duration'])?$extra['duration']:36*86400; // 36 days - $slice = isset($extra['slice'])?$extra['slice']:7200; // 2 hours + $duration = isset($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') { - $duration = isset($extra['duration'])?$extra['duration']:396*86400; // 365+31 days - $slice = isset($extra['slice'])?$extra['slice']:86400; // 1 day + $duration = isset($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 { - $duration = isset($extra['duration'])?$extra['duration']:$this->rrd_step*500; // 500 steps - $slice = isset($extra['slice'])?$extra['slice']:$this->rrd_step; // whatever our step is + $duration = isset($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($extra['rows']) && count($extra['rows'])) { - foreach ($extra['rows'] as $erow) { + if (isset($gconf['rows']) && count($gconf['rows'])) { + foreach ($gconf['rows'] as $erow) { if (isset($erow['name']) && strlen($erow['name'])) { - if (!isset($erow['scale']) && isset($extra['scale'])) { $erow['scale'] = $extra['scale']; } + if (!isset($erow['scale']) && isset($gconf['scale'])) { $erow['scale'] = $gconf['scale']; } $grow = array(); $grow['dType'] = isset($erow['dType'])?$erow['dType']:'DEF'; $grow['name'] = $erow['name'].(isset($erow['scale'])?'_tmp':''); @@ -208,7 +285,7 @@ class rrdstat { if ($gC >= count($gColors)) { $gC = 0; } if (isset($erow['legend'])) { $grow['legend'] = $erow['legend']; - if (!isset($extra['show_legend'])) { $extra['show_legend'] = true; } + if (!isset($gconf['show_legend'])) { $gconf['show_legend'] = true; } } if (isset($erow['stack'])) { $grow['stack'] = ($erow['stack'] == true); } $graphrows[] = $grow; @@ -219,15 +296,15 @@ class rrdstat { foreach ($this->rrd_fields as $ds) { $grow = array(); $grow['dType'] = 'DEF'; - $grow['name'] = $ds['name'].(isset($extra['scale'])?'_tmp':''); + $grow['name'] = $ds['name'].(isset($gconf['scale'])?'_tmp':''); $grow['dsname'] = $ds['name']; $grow['cf'] = 'AVERAGE'; - if (isset($extra['scale'])) { + if (isset($gconf['scale'])) { $graphrows[] = $grow; $grow = array(); $grow['dType'] = 'CDEF'; $grow['name'] = $ds['name']; - $grow['rpn_expr'] = $ds['name'].'_tmp,'.$extra['scale'].',*'; + $grow['rpn_expr'] = $ds['name'].'_tmp,'.$gconf['scale'].',*'; } $grow['gType'] = ($ds['name']=='ds0')?'AREA':'LINE1'; $grow['color'] = $gColors[$gC++]; if ($gC >= count($gColors)) { $gC = 0; } @@ -235,29 +312,30 @@ class rrdstat { } } - $gOpts = ' --start '.($this->last_update()-$duration).' --end '.$this->last_update().' --step '.$slice; - if (isset($extra['label_top'])) { $gOpts .= ' --title '.$this->text_quote($extra['label_top']); } - if (isset($extra['label_y'])) { $gOpts .= ' --vertical-label '.$this->text_quote($extra['label_y']); } - if (isset($extra['width'])) { $gOpts .= ' --width '.$extra['width']; } - if (isset($extra['height'])) { $gOpts .= ' --height '.$extra['height']; - if (($extra['height'] <= 32) && isset($extra['thumb']) && ($extra['thumb'])) { $gOpts .= ' --only-graph'; } + $endtime = isset($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'])) { $gOpts .= ' --only-graph'; } } - if (!isset($extra['show_legend']) || (!$extra['show_legend'])) { $gOpts .= ' --no-legend'; } - if (isset($extra['min_y'])) { $gOpts .= ' --lower-limit '.$extra['min_y']; } - if (isset($extra['max_y'])) { $gOpts .= ' --upper-limit '.$extra['max_y']; } - if (isset($extra['fix_scale_y']) && $extra['fix_scale_y']) { $gOpts .= ' --rigid'; } - if (isset($extra['grid_x'])) { $gOpts .= ' --x-grid '.$extra['grid_x']; } - if (isset($extra['grid_y'])) { $gOpts .= ' --y-grid '.$extra['grid_y']; } - if (isset($extra['units_exponent'])) { $gOpts .= ' --units-exponent '.$extra['units_exponent']; } - if (isset($extra['units_length'])) { $gOpts .= ' --units-length '.$extra['units_length']; } - if (!isset($extra['force_recreate']) || (!$extra['force_recreate'])) { $gOpts .= ' --lazy'; } - if (isset($extra['force_color']) && is_array($extra['force_color'])) { - foreach ($extra['force_color'] as $ctag=>$cval) { $gOpts .= ' --color '.$ctag.$cval; } + if (!isset($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.$cval; } } - if (isset($extra['force_font']) && is_array($extra['force_font'])) { - foreach ($extra['force_font'] as $ctag=>$cval) { $gOpts .= ' --font '.$ctag.$cval; } + if (isset($gconf['force_font']) && is_array($gconf['force_font'])) { + foreach ($gconf['force_font'] as $ctag=>$cval) { $gOpts .= ' --font '.$ctag.$cval; } } - if (isset($extra['units_binary']) && $extra['units_binary']) { $gOpts .= ' --base 1024'; } + if (isset($gconf['units_binary']) && $gconf['units_binary']) { $gOpts .= ' --base 1024'; } foreach ($graphrows as $grow) { if (isset($grow['dType']) && strlen($grow['dType'])) { @@ -277,24 +355,32 @@ class rrdstat { $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; + $return = $graph_cmd."\n\n".$return; } - return $retval; + return $return; } function simple_html($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); + + // assemble configuration + $pconf = $this->config_page; + if (is_array($page_extras)) { + if (is_array($pconf)) { $pconf = array_merge($pconf, $page_extras); } + else { $pconf = $page_extras; } + } + $out = ''.$basename.' - RRD statistics'; $out .= '

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

'; if (in_array($this->status, array('ok','readonly'))) { foreach (array('day','week','month','year') as $tframe) { - $this->graph(null, $tframe, $graph_extras); + $ret = $this->graph($tframe, null, $graph_extras); + $out .= '

'.nl2br($ret).'

'; $out .= '

'; } }