<?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 $basename = null;
function update($upArray = null) {
// feed new data into RRD
- if ($this->status != 'ok') { trigger_error('Cannot update non-writeable file', E_USER_WARNING); return 1; }
+ if ($this->status != 'ok') { trigger_error('Cannot update non-writeable file', E_USER_WARNING); return false; }
$upvals = array();
if (isset($this->config_raw['update'])) {
- $evalcode = $this->config_raw['update'];
- if (!is_null($evalcode)) {
- ob_start();
- eval($evalcode);
- $ret = ob_get_contents();
- if (strlen($ret)) { $upvals = explode("\n", $ret); }
- ob_end_clean();
+ if (preg_match('/^\s*function\s+{(.*)}\s*$/is', $this->config_raw['update'], $regs)) {
+ $upfunc = create_function('', $regs[1]);
+ $upvals = $upfunc();
+ }
+ else {
+ $evalcode = $this->config_raw['update'];
+ if (!is_null($evalcode)) {
+ ob_start();
+ eval($evalcode);
+ $ret = ob_get_contents();
+ if (strlen($ret)) { $upvals = explode("\n", $ret); }
+ ob_end_clean();
+ }
}
- $walkfunc = create_function('&$val,$key', '$val = is_numeric(trim($val))?trim($val):"U";');
- array_walk($upvals, $walkfunc);
}
else {
foreach ($this->rrd_fields as $ds) {
elseif (isset($ds['update'])) {
$val = null; $evalcode = null;
if (substr($ds['update'], 0, 4) == 'val:') {
- $evalcode = 'print(trim('.substr($ds['update'], 4).'));';
+ $evalcode = 'function { return trim('.substr($ds['update'], 4).')); }';
}
elseif (substr($ds['update'], 0, 8) == 'snmp-if:') {
$snmphost = 'localhost'; $snmpcomm = 'public';
if ($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)));';
+ $evalcode = 'function { return trim(substr(strrchr(`snmpget -v2c -c '.$snmpcomm.' '.$snmphost.' '.$oid.'`,":"),1)); }';
}
}
else { $evalcode = $ds['update']; }
- if (!is_null($evalcode)) {
+ if (preg_match('/^\s*function\s+{(.*)}\s*$/is', $evalcode, $regs)) {
+ $upfunc = create_function('', $regs[1]);
+ $val = $upfunc();
+ }
+ elseif (!is_null($evalcode)) {
ob_start();
eval($evalcode);
$val = ob_get_contents();
}
}
else { $val = null; }
- $upvals[] = is_null($val)?'U':$val;
+ $upvals[$ds['name']] = $val;
+ }
+ }
+ $key_names = (!is_numeric(array_shift(array_keys($upvals))));
+ 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] = $key_names?$lastvals[$akey]:$lastvals[$rowids[$akey]];
}
}
+ $walkfunc = create_function('&$val,$key', '$val = is_numeric(trim($val))?trim($val):"U";');
+ array_walk($upvals, $walkfunc);
$return = null;
if (count($upvals)) {
- $update_cmd = 'rrdtool update '.$this->rrd_file.' N:'.implode(':', $upvals);
+ $update_cmd = 'rrdtool update '.$this->rrd_file.($key_names?' --template '.implode(':', array_keys($upvals)):'').' N:'.implode(':', $upvals);
$return = `$update_cmd 2>&1`;
}
$success = false;
}
else { $success = true; }
- return ($return_var == 0);
+ return $success;
}
function fetch($cf = 'AVERAGE', $resolution = null, $start = null, $end = null) {
foreach ($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);
projects / php-utility-classes.git / blobdiff