<?php
-// ************ RRD status class **************
+/* ***** BEGIN LICENSE BLOCK *****
+ *
+ * The contents of this file are subject to Austrian copyright reegulations
+ * ("Urheberrecht"); you may not use this file except in compliance with
+ * those laws.
+ * This contents and any derived work, if it gets distributed in any way,
+ * is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
+ * either express or implied.
+ *
+ * The Original Code is KaiRo's RRD statistics class.
+ *
+ * The Initial Developer of the Original Code is
+ * KaiRo - Robert Kaiser.
+ * Portions created by the Initial Developer are Copyright (C) 2005
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Robert Kaiser <kairo@kairo.at>
+ *
+ * ***** END LICENSE BLOCK ***** */
+
class rrdstat {
+ // rrdstat PHP class
+ // rrdtool statistics functions
+ //
+ // function rrdstat($rrdconfig, [$conf_id])
+ // CONSTRUCTOR
+ // if $conf_id is set, $rrdconfig is a total configuration set
+ // else it's the configuration for this one RRD
+ // currently only a config array is supported, XML config is planned
+ //
+ // var $rrd_file
+ // RRD file name
+ //
+ // var $basename
+ // base name for this RRD (usually file name without .rrd)
+ //
+ // var $config_all
+ // complete, raw configuration array set
+ //
+ // var $config_raw
+ // configuration array set for current RRD
+ //
+ // var $config_graph
+ // configuration array set for default graph in this RRD
+ //
+ // var $config_page
+ // configuration array set for default page in this RRD
+ //
+ // var $rrd_fields
+ // definition of this RRD's fields
+ //
+ // var $rra_base
+ // definition of this RRD's base RRAs
+ //
+ // var $rrd_step
+ // basic stepping of this RRD in seconds (default: 300)
+ //
+ // var $rra_add_max
+ // should RRAs for MAX be added for every base RRA? (bool, default: true)
+ //
+ // var $status
+ // status of the RRD (unused/ok/readonly/graphonly)
+ // note that most functions require certain status values
+ // (e.g. update only works if status is ok, graph for ok/readonly/graphonly)
+ //
+ // function set_def($rrdconfig, [$conf_id])
+ // set definitions based on given configuration
+ // [intended for internal use, called by the constructor]
+ //
+ // function create()
+ // create RRD file according to set config
+ //
+ // function update([$upArray])
+ // feed new data into RRD (either use given array of values or use auto-update info from config)
+ //
+ // function fetch([$cf] = 'AVERAGE', $resolution = null, $start = null, $end = null)
+ // fetch data from the defined RRD
+ // using given consolidation function [default is AVERAGE],
+ // resolution (seconds, default is the RRD's stepping),
+ // start and end times (unix epoch, defaults are the RRD's last update time)
+ //
+ // function last_update()
+ // fetch time of last update in this RRD file
+ //
+ // function graph([$timeframe], [$sub], [$extra])
+ // create a RRD graph (and return all meta info in a flat string)
+ // for given timeframe (day [default]/week/month/year),
+ // sub-graph ID (if given) and extra config options (if given)
+ //
+ // function graph_plus([$timeframe], [$sub], [$extra])
+ // create a RRD graph (see above) and return meta info as a ready-to-use array
+ //
+ // function page([$sub], [$page_extras], [$graph_extras])
+ // create a (HTML) page and return it in a string
+ // for given sub-page ID (if given, default is a simple HTML page)
+ // and extra page and graph config options (if given)
+ //
+ // function simple_html([$sub], [$page_extras], [$graph_extras])
+ // create a simple (MRTG-like) HTML page and return it in a string
+ // XXX: this is here temporarily for compat only, it's preferred to use page()!
+ //
+ // function page_index($pconf)
+ // create a bare, very simple index list HTML page and return it in a string
+ // using given page config options
+ // [intended for internal use, called by page()]
+ //
+ // function page_overview($pconf, [$graph_extras])
+ // create an overview HTML page (including graphs) and return it in a string
+ // using given page config options and extra graph options (if given)
+ // [intended for internal use, called by page()]
+ //
+ // function page_simple($pconf, [$graph_extras])
+ // create a simple (MRTG-like) HTML page and return it in a string
+ // using given page config options and extra graph options (if given)
+ // [intended for internal use, called by page()]
+ //
+ // function h_page_statsArray($pconf)
+ // return array of stats to list on a page, using given page config options
+ // [intended for internal use, called by page_*()]
+ //
+ // function h_page_footer()
+ // return generic page footer
+ // [intended for internal use, called by page_*()]
+ //
+ // function text_quote($text)
+ // return a quoted/escaped text for use in rrdtool commandline text fields
var $rrd_file = null;
var $basename = null;
+ var $config_all = null;
var $config_raw = null;
var $config_graph = null;
var $config_page = null;
$this->basename = $conf_id;
$this->status = 'graphonly';
}
- else {
- if (!isset($iinfo['file'])) { return false; }
-
+ elseif (isset($iinfo['file'])) {
$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
- // type - one of COUNTER, GAUGE, DERIVE, ABSOLUTE
- // heartbeat - if no sample recieved for that time, store UNKNOWN
- // min - U (unconstrained) or minimum value
- // max - U (unconstrained) or maximum value
- // update - this string will be fed into eval() for updating this field
- if (isset($iinfo['fields']) && is_array($iinfo['fields'])) {
- $this->rrd_fields = $iinfo['fields'];
+ elseif (!is_null($conf_id) && file_exists($conf_id.'.rrd')) {
+ $this->rrd_file = $conf_id.'.rrd';
+ $this->basename = $conf_id;
}
else {
- $this->rrd_fields[] = array('name' => 'ds0', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U');
- $this->rrd_fields[] = array('name' => 'ds1', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U');
- }
+ $this->basename = !is_null($conf_id)?$conf_id:'xxx.unknown';
+ }
+
+ if (!is_null($this->rrd_file)) {
+ // fields (data sources, DS)
+ // name - DS name
+ // type - one of COUNTER, GAUGE, DERIVE, ABSOLUTE
+ // heartbeat - if no sample recieved for that time, store UNKNOWN
+ // min - U (unconstrained) or minimum value
+ // max - U (unconstrained) or maximum value
+ // update - this string will be fed into eval() for updating this field
+ if (isset($iinfo['fields']) && is_array($iinfo['fields'])) {
+ $this->rrd_fields = $iinfo['fields'];
+ }
+ else {
+ $this->rrd_fields[] = array('name' => 'ds0', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U');
+ $this->rrd_fields[] = array('name' => 'ds1', 'type' => 'COUNTER', 'heartbeat' => 600, 'min' => 'U', 'max' => 'U');
+ }
- // MRTG-style RRD "database", see http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/tut/rrdtutorial.en.html
- //
- // archives (RRAs):
- // 600 samples of 5 minutes (2 days and 2 hours)
- // 700 samples of 30 minutes (2 days and 2 hours, plus 12.5 days)
- // 775 samples of 2 hours (above + 50 days)
- // 797 samples of 1 day (above + 732 days, rounded up to 797)
+ // MRTG-style RRD "database", see http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/tut/rrdtutorial.en.html
+ //
+ // archives (RRAs):
+ // 600 samples of 5 minutes (2 days and 2 hours)
+ // 700 samples of 30 minutes (2 days and 2 hours, plus 12.5 days)
+ // 775 samples of 2 hours (above + 50 days)
+ // 797 samples of 1 day (above + 732 days, rounded up to 797)
- $this->rrd_step = isset($iinfo['rrd_step'])?$iinfo['rrd_step']:300;
+ $this->rrd_step = isset($iinfo['rrd_step'])?$iinfo['rrd_step']:300;
- if (isset($iinfo['rra_base']) && is_array($iinfo['rra_base'])) {
- $this->rra_base = $iinfo['rra_base'];
- }
- else {
- $this->rra_base[] = array('step' => 1, 'rows' => 600);
- $this->rra_base[] = array('step' => 6, 'rows' => 700);
- $this->rra_base[] = array('step' => 24, 'rows' => 775);
- $this->rra_base[] = array('step' => 288, 'rows' => 797);
- }
+ if (isset($iinfo['rra_base']) && is_array($iinfo['rra_base'])) {
+ $this->rra_base = $iinfo['rra_base'];
+ }
+ else {
+ $this->rra_base[] = array('step' => 1, 'rows' => 600);
+ $this->rra_base[] = array('step' => 6, 'rows' => 700);
+ $this->rra_base[] = array('step' => 24, 'rows' => 775);
+ $this->rra_base[] = array('step' => 288, 'rows' => 797);
+ }
- $this->rra_add_max = isset($iinfo['rra_add_max'])?$iinfo['rra_add_max']:true;
+ $this->rra_add_max = isset($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;
+ $this->config_all = $complete_conf;
}
function create() {
if (strlen($ret)) { $upvals = explode("\n", $ret); }
ob_end_clean();
}
- $walkfunc = create_function('&$val,$key', '$val = is_numeric($val)?$val:"U";');
+ $walkfunc = create_function('&$val,$key', '$val = is_numeric(trim($val))?trim($val):((trim($val)=="L")?"L":"U");');
array_walk($upvals, $walkfunc);
}
else {
$upvals[] = is_null($val)?'U':$val;
}
}
+ if (in_array('L', $upvals)) {
+ // for at least one value, we need to set the same as the last recorded value
+ $fvals = $this->fetch();
+ $rowids = array_shift($fvals);
+ $lastvals = array_shift($fvals);
+ foreach (array_keys($upvals, 'L') as $akey) {
+ $upvals[$akey] = $lastvals[$rowids[$akey]];
+ }
+ }
$return = null;
if (count($upvals)) {
$update_cmd = 'rrdtool update '.$this->rrd_file.' N:'.implode(':', $upvals);
foreach ($rows as $row) {
if (strlen(trim($row))) {
$rvals = preg_split('/\s+/', $row);
- $rtime = array_shift($rvals);
+ $rtime = str_replace(':', '', array_shift($rvals));
$rv_array = array();
foreach ($rvals as $key=>$rval) {
$rv_array[$fields[$key]] = ($rval=='nan')?null:floatval($rval);
return $fresult;
}
+ 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)?$last_update:null;
+ }
+
function graph($timeframe = 'day', $sub = null, $extra = null) {
// create a RRD graph
static $gColors;
if (isset($gconf['path'])) { $fname = $gconf['path'].'/'.$fname; }
$fname = str_replace('//', '/', $fname);
- $graphrows = array(); $gC = 0;
+ $graphrows = array(); $specialrows = array(); $gC = 0;
$gDefs = ''; $gGraphs = ''; $addSpecial = '';
if ($timeframe == 'day') {
}
$grow['gType'] = ((count($this->rrd_fields)==2) && ($key==0))?'AREA':'LINE1';
$grow['color'] = $gColors[$gC++]; if ($gC >= count($gColors)) { $gC = 0; }
+ if (isset($ds['legend'])) {
+ $grow['legend'] = $ds['legend'];
+ if (!isset($gconf['show_legend'])) { $gconf['show_legend'] = true; }
+ }
$graphrows[] = $grow;
}
}
return $return;
}
+ function graph_plus($timeframe = 'day', $sub = null, $extra = null) {
+ // create a RRD graph and return meta info as a ready-to-use array
+ $gmeta = array('filename'=>null);
+ $ret = $this->graph($timeframe, $sub, $extra);
+ if (strpos($ret, "\n\n") !== false) { $gmeta['graph_cmd'] = substr($ret, 0, strpos($ret, "\n\n")); $ret = substr($ret, strpos($ret, "\n\n")+2); }
+ else { $gmeta['graph_cmd'] = null; }
+ $grout = explode("\n", $ret);
+ foreach ($grout as $gline) {
+ if (preg_match('/^file:(.+)$/', $gline, $regs)) {
+ $gmeta['filename'] = $regs[1];
+ }
+ elseif (preg_match('/^(\d+)x(\d+)$/', $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'][] = $gline;
+ }
+ }
+ if (is_null($gmeta['filename'])) {
+ $gmeta['filename'] = $this->basename.(!is_null($sub)?'-'.$sub:'').'-'.$timeframe.'.png';
+ }
+ return $gmeta;
+ }
+
+ function page($sub = null, $page_extras = null, $graph_extras = null) {
+ // create a (HTML) page and return it in a string
+
+ // 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;
+
+ $return = null;
+ switch ($pconf['type']) {
+ case 'index':
+ $return = $this->page_index($pconf);
+ break;
+ case 'overview':
+ $return = $this->page_overview($pconf, $graph_extras);
+ break;
+ case 'simple':
+ default:
+ $return = $this->page_simple($pconf, $graph_extras);
+ break;
+ }
+ return $return;
+ }
+
function simple_html($sub = null, $page_extras = null, $graph_extras = null) {
// create a simple (MRTG-like) HTML page and return it in a string
+ // XXX: this is here temporarily for compat only, it's preferred to use page()!
// assemble configuration
$pconf = (array)$page_extras;
}
$pconf = $pconf + (array)$this->config_page;
+ return $this->page_simple($pconf, $graph_extras);
+ }
+
+ function page_index($pconf) {
+ // create a bare, very simple index list HTML page and return it in a string
+
+ $ptitle = isset($pconf['title_page'])?$pconf['title_page']:'RRD statistics index';
+
+ $out = '<html><head>';
+ $out .= '<title>'.$ptitle.'</title>';
+ $out .= '<style>';
+ if (isset($pconf['style_base'])) { $out .= $pconf['style_base']; }
+ else {
+ $out .= 'h1 { font-weight: bold; font-size: 1.5em; }';
+ $out .= '.footer { font-size: 0.75em; margin: 0.5em 0; }';
+ $out .= 'li.scanfile { font-style: italic; }';
+ }
+ if (isset($pconf['style'])) { $out .= $pconf['style']; }
+ $out .= '</style>';
+ $out .= '</head>';
+ $out .= '<body>';
+
+ $out .= '<h1>'.$ptitle.'</h1>';
+ if (isset($pconf['text_intro']) && strlen($pconf['text_intro'])) {
+ $out .= '<p class="intro">'.$pconf['text_intro'].'</p>';
+ }
+ elseif (!isset($pconf['text_intro'])) {
+ $out .= '<p class="intro">The following RRD stats are available:</p>';
+ }
+
+ $stats = $this->h_page_statsArray($pconf);
+
+ $out .= '<ul class="indexlist">';
+ foreach ($stats as $stat) {
+ $out .= '<li'.(isset($stat['class'])?' class="'.$stat['class'].'"':'').'>';
+ $surl = '?stat='.$stat['name'];
+ $out .= '<a href="'.$surl.'">'.$stat['name'].'</a>';
+ if (isset($stat['sub']) && count($stat['sub'])) {
+ $sprt = array();
+ foreach ($stat['sub'] as $ssub) { $sprt[] = '<a href="'.$surl.'&sub='.$ssub.'">'.$ssub.'</a>'; }
+ $out .= ' <span="subs">('.implode(', ', $sprt).')</span>';
+ }
+ $out .= '</li>';
+ }
+ $out .= '</ul>';
+
+ $out .= $this->h_page_footer();
+ $out .= '</body></html>';
+ return $out;
+ }
+
+ function page_overview($pconf, $graph_extras = null) {
+ // create an overview HTML page (including graphs) and return it in a string
+
+ $ptitle = isset($pconf['title_page'])?$pconf['title_page']:'RRD statistics overview';
+
+ $out = '<html><head>';
+ $out .= '<title>'.$ptitle.'</title>';
+ $out .= '<style>';
+ if (isset($pconf['style_base'])) { $out .= $pconf['style_base']; }
+ else {
+ $out .= 'h1 { font-weight: bold; font-size: 1.5em; }';
+ $out .= 'h2 { font-weight: bold; font-size: 1em; margin: 0.5em 0; }';
+ $out .= '.footer { font-size: 0.75em; margin: 0.5em 0; }';
+ $out .= 'img.rrdgraph { border: none; }';
+ }
+ if (isset($pconf['style'])) { $out .= $pconf['style']; }
+ $out .= '</style>';
+ $out .= '</head>';
+ $out .= '<body>';
+
+ $out .= '<h1>'.$ptitle.'</h1>';
+ if (isset($pconf['text_intro'])) { $out .= '<p class="intro">'.$pconf['text_intro'].'</p>'; }
+
+ $stats = $this->h_page_statsArray($pconf);
+
+ $num_rows = is_numeric($pconf['num_rows'])?$pconf['num_rows']:2;
+ $num_cols = ceil(count($stats)/$num_rows);
+
+ $out .= '<table class="overview">';
+ for ($col = 0; $col < $num_cols; $col++) {
+ $out .= '<tr>';
+ for ($row = 0; $row < $num_rows; $row++) {
+ $idx = $col * $num_rows + $row;
+ $out .= '<td>';
+ if ($idx < count($stats)) {
+ list($sname, $s_psub) = explode('|', $stats[$idx]['name'], 2);
+ $s_psname = 'page'.(isset($s_psub)?'.'.$s_psub:'');
+ $g_sub = $this->config_all[$sname][$s_psname]['graph_sub'];
+
+ if (isset($this->config_all[$sname][$s_psname]['title_page'])) {
+ $s_ptitle = $this->config_all[$sname][$s_psname]['title_page'];
+ }
+ elseif (isset($this->config_all[$sname]['page']['title_page'])) {
+ $s_ptitle = $this->config_all[$sname]['page']['title_page'];
+ }
+ else {
+ $s_ptitle = $sname.(isset($s_psub)?' ('.$s_psub.')':'').' statistics';
+ }
+ if (!isset($pconf['hide_titles']) || !$pconf['hide_titles']) {
+ $out .= '<h2>'.$s_ptitle.'</h2>';
+ }
+
+ $s_rrd = new rrdstat($this->config_all, $sname);
+ if (in_array($s_rrd->status, array('ok','readonly','graphonly'))) {
+ $tframe = isset($pconf['graph_timeframe'])?$pconf['graph_timeframe']:'day';
+ $gmeta = $s_rrd->graph_plus($tframe, $g_sub);
+ if (isset($pconf['graph_url'])) {
+ $gURL = $pconf['graph_url'];
+ $fname = str_replace('%f', basename($gmeta['filename']), $gURL);
+ $fname = str_replace('%p', $gmeta['filename'], $gURL);
+ if (substr($gURL, -1) == '/') { $gURL .= $gmeta['filename']; }
+ }
+ else {
+ $gURL = $gmeta['filename'];
+ }
+ $out .= '<a href="?stat='.$sname.(isset($s_psub)?'&sub='.$s_psub:'').'"';
+ $out .= '<img src="'.$gURL.'"';
+ $out .= ' alt="'.$s_rrd->basename.(!is_null($g_sub)?' - '.$g_sub:'').' - '.$tframe.'" class="rrdgraph"';
+ $out .= ' style="width:'.$gmeta['width'].'px;height:'.$gmeta['height'].'px;">';
+ $out .= '</a>';
+ }
+ else {
+ $out .= 'RRD error: status is "'.$s_rrd->status.'"';
+ }
+ }
+ else {
+ $out .= ' ';
+ }
+ $out .= '</td>';
+ }
+ $out .= '</tr>';
+ }
+ $out .= '</table>';
+
+ $out .= $this->h_page_footer();
+ $out .= '</body></html>';
+ return $out;
+ }
+
+ function page_simple($pconf, $graph_extras = null) {
+ // create a simple (MRTG-like) HTML page and return it in a string
+
$ptitle = isset($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)';
$out .= '<p class="last_up">Last Update: '.(is_null($this->last_update())?'unknown':date('Y-m-d H:i:s', $this->last_update())).'</p>';
}
+ $g_sub = isset($pconf['graph_sub'])?$pconf['graph_sub']:null;
if (in_array($this->status, array('ok','readonly','graphonly'))) {
- $g_sub = isset($pconf['graph_sub'])?$pconf['graph_sub']:null;
foreach (array('day','week','month','year') as $tframe) {
- $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'; }
+ $gmeta = $this->graph_plus($tframe, $g_sub, $graph_extras);
if (isset($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; }
+ $fname = str_replace('%f', basename($gmeta['filename']), $gURL);
+ $fname = str_replace('%p', $gmeta['filename'], $gURL);
+ if (substr($gURL, -1) == '/') { $gURL .= $gmeta['filename']; }
}
else {
- $gURL = $gfilename;
+ $gURL = $gmeta['filename'];
}
$out .= '<div class="'.$tframe.'">';
// $out .= '<p>'.nl2br($ret).'</p>';
$out .= '<p class="ginfo">'.$gval.'</p>';
}
}
+ $out .= '</div>';
}
}
else {
$out .= 'RRD error: status is "'.$this->status.'"';
}
- $out .= '</div>';
-
- $out .= '<p class="footer">';
- $out .= 'Statistics created by <a href="http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/">RRDtool</a>';
- $out .= ' using a library created by <a href="http://www.kairo.at/">KaiRo.at</a>.';
- $out .= '</p>';
+ $out .= $this->h_page_footer();
$out .= '</body></html>';
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)?$return:null;
+ function h_page_statsArray($pconf) {
+ // return array of stats to list on a page
+ $stats = array();
+ $snames = array(); $s_exclude = array(); $sfiles = array();
+ if (isset($pconf['index_ids'])) {
+ foreach (explode(',', $pconf['index_ids']) as $iid) {
+ if ($iid{0} == '-') { $s_exclude[] = substr($iid, 1); }
+ else { $snames[] = $iid; }
+ }
}
- return isset($last_update)?$last_update:null;
+ if (!isset($pconf['scan_config']) || $pconf['scan_config']) {
+ foreach ($this->config_all as $iname=>$rinfo) {
+ if (($iname != '*') && !(isset($rinfo['hidden']) && $rinfo['hidden']) &&
+ !(in_array($iname, $snames)) && !(in_array($iname, $s_exclude))) {
+ $snames[] = $iname;
+ }
+ }
+ }
+ foreach ($snames as $iname) {
+ $newstat = array('name'=>$iname);
+ $sfiles[] = isset($this->config_all[$iname]['file'])?$this->config_all[$iname]['file']:$iname.'.rrd';
+ if (is_array($this->config_all[$iname])) {
+ foreach ($this->config_all[$iname] as $key=>$val) {
+ if (substr($key, 0, 5) == 'page.') { $newstat['sub'][] = substr($key, 5); }
+ }
+ }
+ $stats[] = $newstat;
+ }
+ if (isset($pconf['scan_files']) && $pconf['scan_files']) {
+ $rrdfiles = glob('*.rrd');
+ foreach ($rrdfiles as $rrdfile) {
+ $iname = (substr($rrdfile, -4) == '.rrd')?substr($rrdfile, 0, -4):$rrdfile;
+ if (!in_array($rrdfile, $sfiles) && !(in_array($iname, $s_exclude))) {
+ $stats[] = array('name'=>$iname, 'class'=>'scanfile');
+ }
+ }
+ }
+ return $stats;
+ }
+
+ function h_page_footer() {
+ // return generic page footer
+ $out = '<p class="footer">';
+ $out .= 'Statistics created by <a href="http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/">RRDtool</a>';
+ $out .= ' using a library created by <a href="http://www.kairo.at/">KaiRo.at</a>.';
+ $out .= '</p>';
+ return $out;
}
function text_quote($text) { return '"'.str_replace('"', '\"', str_replace(':', '\:', $text)).'"'; }