// ************ RRD status class **************
class rrdstat {
- var $rrd_file = 'sample.rrd';
+ var $rrd_file = null;
+
+ var $config_raw = null;
+ var $config_graph = null;
+ var $config_page = null;
var $rrd_fields = array();
var $rra_base = array();
// ***** init RRD stat module *****
$this->set_def($init_info);
- 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) {
}
$this->rra_add_max = isset($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 = $iinfo;
}
function create() {
return ($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 '.$this->status, E_USER_WARNING); return false; }
- // [-s|--start time] [-e|--end time] [-S|--step seconds]
- if ($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 = $this->config_graph;
+ if (!is_null($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(); $gC = 0;
- if (isset($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['name'] = $erow['name'].(isset($erow['scale'])?'_tmp':'');
$grow['dsname'] = isset($erow['dsname'])?$erow['dsname']:$erow['name'];
$grow['cf'] = isset($erow['cf'])?$erow['cf']:'AVERAGE';
+ if (isset($erow['rpn_expr'])) { $grow['rpn_expr'] = $erow['rpn_expr']; }
+ if (isset($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[] = $grow;
}
foreach ($this->rrd_fields as $ds) {
$grow = array();
$grow['dType'] = 'DEF';
- $grow['name'] = $ds['name'];
+ $grow['name'] = $ds['name'].(isset($gconf['scale'])?'_tmp':'');
$grow['dsname'] = $ds['name'];
$grow['cf'] = 'AVERAGE';
+ if (isset($gconf['scale'])) {
+ $graphrows[] = $grow;
+ $grow = array();
+ $grow['dType'] = 'CDEF';
+ $grow['name'] = $ds['name'];
+ $grow['rpn_expr'] = $ds['name'].'_tmp,'.$gconf['scale'].',*';
+ }
$grow['gType'] = ($ds['name']=='ds0')?'AREA':'LINE1';
$grow['color'] = $gColors[$gC++]; if ($gC >= count($gColors)) { $gC = 0; }
$graphrows[] = $grow;
}
}
- $gDefs = ''; $gGraphs = '';
+ $endtime = isset($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: 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'; }
+ }
}
- $graph_cmd = 'rrdtool graph '.$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;
+// $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; }
+ }
+
$out = '<html><head><title>'.$basename.' - RRD statistics</title></head><body>';
+ $out .= '<p>Last Update: '.date('Y-m-d H:i:s', $this->last_update()).'</p>';
+
if (in_array($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);
+// $out .= '<p>'.nl2br($ret).'</p>';
$out .= '<p><img src="'.$basename.'-'.$tframe.'.png"></p>';
}
}
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)).'"'; }
}
?>
projects / php-utility-classes.git / blobdiff