class rrdstat {
var $rrd_file = null;
+ var $basename = null;
var $config_raw = null;
var $config_graph = null;
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, $conf_id);
if (!is_null($this->rrd_file)) {
if (!is_writeable($this->rrd_file)) {
}
}
- function set_def($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
// 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);
+ $upvals = explode("\n", ob_get_contents());
+ ob_end_clean();
+ }
+ }
+ else {
+ foreach ($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;
return $fresult;
}
- function graph($timeframe = 'day', $special = null, $extra = null) {
+ function graph($timeframe = 'day', $sub = null, $extra = null) {
// create a RRD graph
static $gColors;
if (!isset($gColors)) {
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; }
+ $gconf = (array)$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']; $fmt_ext = '.svg';
}
if (isset($gconf['filename'])) { $fname = $gconf['filename']; }
- else { $fname = str_replace('.rrd', '-%t%f', $this->rrd_file); }
+ 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;
$gDefs = ''; $gGraphs = ''; $addSpecial = '';
$grow = array();
$grow['dType'] = isset($erow['dType'])?$erow['dType']:'DEF';
$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'] = $erow['rpn_expr']; }
+ if ($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;
$grow = array();
}
}
else {
- foreach ($this->rrd_fields as $ds) {
+ foreach ($this->rrd_fields as $key=>$ds) {
$grow = array();
$grow['dType'] = 'DEF';
$grow['name'] = $ds['name'].(isset($gconf['scale'])?'_tmp':'');
$grow['name'] = $ds['name'];
$grow['rpn_expr'] = $ds['name'].'_tmp,'.$gconf['scale'].',*';
}
- $grow['gType'] = ($ds['name']=='ds0')?'AREA':'LINE1';
+ $grow['gType'] = ((count($this->rrd_fields)==2) && ($key==0))?'AREA':'LINE1';
$grow['color'] = $gColors[$gC++]; if ($gC >= count($gColors)) { $gC = 0; }
$graphrows[] = $grow;
}
}
+ if (isset($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']); }
$gDefs .= ($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
+ // 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($grow['legend']); }
- // XXX: when STACK flag is supported, remove above STACK if-command and uncomment the one below
+ // XXX: remove above STACK if-command and uncomment the one below once we have rrdtool 1.2
//if (isset($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 '.str_replace('*', '\*', $fname.$gOpts.$gDefs.$gGraphs.$addSpecial);
$return = `$graph_cmd 2>&1`;
trigger_error('rrd graph error: '.$return, E_USER_WARNING);
$return = $graph_cmd."\n\n".$return;
}
+ $return = 'file:'.$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);
// 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; }
+ $pconf = (array)$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 = '<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; }';
+ $out .= '.gdata, .gvar, .ginfo { font-size: 0.75em; margin: 0.5em 0; }';
+ $out .= 'table.gdata { border: 1px solid gray; border-collapse: collapse; }';
+ $out .= 'table.gdata td, table.gdata th { border: 1px solid gray; padding: 0.1em 0.2em; }';
+ $out .= '.footer { font-size: 0.75em; margin: 0.5em 0; }';
}
+ if (isset($pconf['style'])) { $out .= $pconf['style']; }
+ $out .= '</style>';
+ $out .= '</head>';
+ $out .= '<body>';
- $out = '<html><head><title>'.$basename.' - RRD statistics</title></head><body>';
-
- $out .= '<p>Last Update: '.date('Y-m-d H:i:s', $this->last_update()).'</p>';
+ $out .= '<h1>'.$ptitle.'</h1>';
+ if (!isset($pconf['show_update']) || $pconf['show_update']) {
+ $out .= '<p class="last_up">Last Update: '.date('Y-m-d H:i:s', $this->last_update()).'</p>';
+ }
if (in_array($this->status, array('ok','readonly'))) {
+ $g_sub = isset($pconf['graph_sub'])?$pconf['graph_sub']:null;
foreach (array('day','week','month','year') as $tframe) {
- $ret = $this->graph($tframe, null, $graph_extras);
- $out .= '<p>'.nl2br($ret).'</p>';
- $out .= '<p><img src="'.$basename.'-'.$tframe.'.png"></p>';
+ $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;
+ }
+ $out .= '<div class="'.$tframe.'">';
+// $out .= '<p>'.nl2br($ret).'</p>';
+ $out .= '<h2>'.$gtitle[$tframe].'</h2>';
+ $out .= '<img src="'.$gURL.'"';
+ $out .= ' alt="'.$this->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'])) {
+ $out .= '<table class="gdata">';
+ foreach ($gmeta['data'] as $field=>$gdata) {
+ $out .= '<tr><th>'.$field.'</th>';
+ foreach ($gdata as $gkey=>$gval) {
+ $out .= '<td><span class="gkey">'.$gkey.': </span>'.$gval.'</td>';
+ }
+ $out .= '</tr>';
+ }
+ $out .= '</table>';
+ }
+ if (isset($gmeta['var']) && count($gmeta['var'])) {
+ foreach ($gmeta['var'] as $gkey=>$gval) {
+ $out .= '<p class="gvar"><span class="gkey">'.$gkey.': </span>'.$gval.'</p>';
+ }
+ }
+ if (isset($gmeta['info']) && count($gmeta['info'])) {
+ foreach ($gmeta['info'] as $gval) {
+ $out .= '<p class="ginfo">'.$gval.'</p>';
+ }
+ }
}
}
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>';
- $ou .= '</body></html>';
+ $out .= '</body></html>';
return $out;
}