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thold_functions.php
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<?php
/*
ex: set tabstop=4 shiftwidth=4 autoindent:
+-------------------------------------------------------------------------+
| Copyright (C) 2011 The Cacti Group |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDTool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
function thold_debug($txt) {
global $debug;
if (read_config_option('thold_log_debug') == 'on' || $debug) {
thold_cacti_log($txt);
}
}
function thold_initialize_rusage() {
global $thold_start_rusage;
if (function_exists("getrusage")) {
$thold_start_rusage = getrusage();
}
$thold_start_rusage["microtime"] = microtime();
}
function thold_display_rusage() {
global $colors, $thold_start_rusage;
if (function_exists("getrusage")) {
$dat = getrusage();
html_start_box("", "100%", $colors["header"], "3", "left", "");
print "<tr>";
if (!isset($thold_start_rusage)) {
print "<td colspan='10'>ERROR: Can not display RUSAGE please call thold_initialize_rusage first</td>";
} else {
$i_u_time = $thold_start_rusage["ru_utime.tv_sec"] + ($thold_start_rusage["ru_utime.tv_usec"] * 1E-6);
$i_s_time = $thold_start_rusage["ru_stime.tv_sec"] + ($thold_start_rusage["ru_stime.tv_usec"] * 1E-6);
$s_s = $thold_start_rusage["ru_nswap"];
$s_pf = $thold_start_rusage["ru_majflt"];
list($micro,$seconds) = split(" ", $thold_start_rusage["microtime"]);
$start_time = $seconds + $micro;
list($micro,$seconds) = split(" ", microtime());
$end_time = $seconds + $micro;
$utime = ($dat["ru_utime.tv_sec"] + ($dat["ru_utime.tv_usec"] * 1E-6)) - $i_u_time;
$stime = ($dat["ru_stime.tv_sec"] + ($dat["ru_stime.tv_usec"] * 1E-6)) - $i_s_time;
$swaps = $dat["ru_nswap"] - $s_s;
$pages = $dat["ru_majflt"] - $s_pf;
print "<td colspan='10' width='1%' style='text-align:left;'>";
print "<b>Time:</b> " . round($end_time - $start_time,2) . " seconds, ";
print "<b>User:</b> " . round($utime,2) . " seconds, ";
print "<b>System:</b> " . round($stime,2) . " seconds, ";
print "<b>Swaps:</b> " . ($swaps) . " swaps, ";
print "<b>Pages:</b> " . ($pages) . " pages";
print "</td>";
}
print "</tr>";
html_end_box(false);
}
}
function thold_legend() {
global $colors, $thold_bgcolors;
html_start_box("", "100%", $colors["header"], "3", "center", "");
print "<tr>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_bgcolors['red'] . ";'><b>Alarm</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_bgcolors['orange'] . ";'><b>Baseline Alarm</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_bgcolors['warning'] . ";'><b>Warning</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_bgcolors['yellow'] . ";'><b>Notice</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_bgcolors['green'] . ";'><b>Ok</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_bgcolors['grey'] . ";'><b>Disabled</b></td>";
print "</tr>";
html_end_box(false);
}
function host_legend() {
global $colors, $host_colors, $disabled_color, $notmon_color;
html_start_box("", "100%", $colors["header"], "3", "center", "");
print "<tr>";
print "<td width='10%' style='text-align:center;background-color:#" . $host_colors[HOST_DOWN] . ";'><b>Down</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $host_colors[HOST_UP] . ";'><b>Up</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $host_colors[HOST_RECOVERING] . ";'><b>Recovering</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $host_colors[HOST_UNKNOWN] . ";'><b>Unknown</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $notmon_color . ";'><b>Not Monitored</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $disabled_color . ";'><b>Disabled</b></td>";
print "</tr>";
html_end_box(false);
}
function log_legend() {
global $colors;
$thold_log = array(
'alarm' => 'F21924',
'warning' => 'FB4A14',
'retrigger' => 'FF7A30',
'trigger' => 'FAFD9E',
'restoral' => 'CCFFCC',
'restore' => 'CDCFC4');
$thold_status = array(
'0' => 'restore',
'1' => 'trigger',
'2' => 'retrigger',
'3' => 'warning',
'4' => 'alarm',
'5' => 'restoral');
html_start_box("", "100%", $colors["header"], "3", "center", "");
print "<tr>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_log['alarm'] . ";'><b>Alarm Notify</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_log['warning'] . ";'><b>Warning Notify</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_log['retrigger'] . ";'><b>Retrigger Notify</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_log['trigger'] . ";'><b>Trigger Event</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_log['restoral'] . ";'><b>Restoral Notify</b></td>";
print "<td width='10%' style='text-align:center;background-color:#" . $thold_log['restore'] . ";'><b>Restoral Event</b></td>";
print "</tr>";
html_end_box(false);
}
// Update automatically 'alert_base_url' if not set and if we are called from the browser
// so that check-thold can pick it up
if (isset($_SERVER['HTTP_HOST']) && isset($_SERVER['PHP_SELF']) && read_config_option('alert_base_url') == '') {
$dir = dirname($_SERVER['PHP_SELF']);
if (strpos($dir, '/plugins/') !== false)
$dir = substr($dir, 0, strpos($dir, '/plugins/'));
db_execute("replace into settings (name,value) values ('alert_base_url', '" . ("http://" . $_SERVER['HTTP_HOST'] . $dir . "/") . "')");
/* reset local settings cache so the user sees the new settings */
kill_session_var('sess_config_array');
}
function thold_expression_rpn_pop(&$stack) {
global $rpn_error;
if (sizeof($stack)) {
return array_pop($stack);
} else {
$rpn_error = true;
return false;
}
}
function thold_expression_math_rpn($operator, &$stack) {
global $rpn_error;
switch($operator) {
case '+':
case '-':
case '/':
case '*':
case '%':
case '^':
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
$v3 = 'U';
if (!$rpn_error) {
@eval("\$v3 = " . $v2 . ' ' . $operator . ' ' . $v1 . ';');
array_push($stack, $v3);
}
break;
case 'SIN':
case 'COS':
case 'TAN':
case 'ATAN':
case 'SQRT':
case 'FLOOR':
case 'CEIL':
case 'DEG2RAD':
case 'RAD2DEG':
case 'ABS':
case 'EXP':
case 'LOG':
$v1 = thold_expression_rpn_pop($stack);
if (!$rpn_error) {
eval("\$v2 = " . $operator . "(" . $v1 . ");");
array_push($stack, $v2);
}
break;
case 'ATAN2':
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
if (!$rpn_error) {
$v3 = atan2($v1, $v2);
array_push($stack, $v3);
}
break;
case 'ADDNAN':
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
if (!$rpn_error) {
if ($v1 == 'NAN' || $v1 == 'U') $v1 = 0;
if ($v2 == 'NAN' || $v2 == 'U') $v2 = 0;
array_push($stack, $v1 + $v2);
}
break;
}
}
function thold_expression_boolean_rpn($operator, &$stack) {
global $rpn_error;
if ($operator == 'UN') {
$v1 = thold_expression_rpn_pop($stack);
if ($v1 == 'U' || $v1 == 'NAN') {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
}elseif ($operator == 'ISINF') {
$v1 = thold_expression_rpn_pop($stack);
if ($v1 == 'INF' || $v1 == 'NEGINF') {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
}elseif ($operator == 'AND') {
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
if ($v1 > 0 && $v2 > 0) {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
}elseif ($operator == 'OR') {
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
if ($v1 > 0 || $v2 > 0) {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
}elseif ($operator == 'IF') {
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
$v3 = thold_expression_rpn_pop($stack);
if ($v3 == 0) {
array_push($stack, $v1);
} else {
array_push($stack, $v2);
}
} else {
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
/* deal with unknown or infinite data */
if (($v1 == 'INF' || $v2 == 'INF') ||
($v1 == 'NAN' || $v2 == 'NAN') ||
($v1 == 'U' || $v2 == 'U') ||
($v1 == 'NEGINF' || $v2 == 'NEGINF')) {
array_push($stack, '0');
}
switch($operator) {
case 'LT':
if ($v1 < $v2) {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
break;
case 'GT':
if ($v1 > $v2) {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
break;
case 'LE':
if ($v1 <= $v2) {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
break;
case 'GE':
if ($v1 >= $v2) {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
break;
case 'EQ':
if ($v1 == $v2) {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
break;
case 'NE':
if ($v1 != $v2) {
array_push($stack, '1');
} else {
array_push($stack, '0');
}
break;
}
}
}
function thold_expression_compare_rpn($operator, &$stack) {
global $rpn_error;
if ($operator == 'MAX' || $operator == 'MIN') {
$v[0] = thold_expression_rpn_pop($stack);
$v[1] = thold_expression_rpn_pop($stack);
if (in_array('INF', $v)) {
array_push($stack, 'INF');
}elseif (in_array('NEGINF', $v)) {
array_push($stack, 'NEGINF');
}elseif (in_array('U', $v)) {
array_push($stack, 'U');
}elseif (in_array('NAN', $v)) {
array_push($stack, 'NAN');
}elseif ($operator == 'MAX') {
array_push($stack, max($v));
} else {
array_push($stack, min($v));
}
} else {
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
if (($v1 == 'U' || $v1 == 'NAN') ||
($v2 == 'U' || $v2 == 'NAN') ||
($v3 == 'U' || $v3 == 'NAN')) {
array_push($stack, 'U');
}elseif (($v1 == 'INF' || $v1 == 'NEGINF') ||
($v2 == 'INF' || $v2 == 'NEGINF') ||
($v3 == 'INF' || $v3 == 'NEGINF')) {
array_push($stack, 'U');
}elseif ($v1 < $v2) {
if ($v3 >= $v1 && $v3 <= $v2) {
array_push($stack, $v3);
} else {
array_push($stack, 'U');
}
} else {
if ($v3 >= $v2 && $v3 <= $v1) {
array_push($stack, $v3);
} else {
array_push($stack, 'U');
}
}
}
}
function thold_expression_specvals_rpn($operator, &$stack, $count) {
global $rpn_error;
if ($operator == 'UNKN') {
array_push($stack, 'U');
}elseif ($operator == 'INF') {
array_push($stack, 'INF');
}elseif ($operator == 'NEGINF') {
array_push($stack, 'NEGINF');
}elseif ($operator == 'COUNT') {
array_push($stack, $count);
}elseif ($operator == 'PREV') {
/* still have to figure this out */
}
}
function thold_expression_stackops_rpn($operator, &$stack) {
global $rpn_error;
if ($operator == 'DUP') {
$v1 = thold_expression_rpn_pop($stack);
array_push($stack, $v1);
array_push($stack, $v1);
}elseif ($operator == 'POP') {
thold_expression_rpn_pop($stack);
} else {
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
array_push($stack, $v2);
array_push($stack, $v1);
}
}
function thold_expression_time_rpn($operator, &$stack) {
global $rpn_error;
if ($operator == 'NOW') {
array_push($stack, time());
}elseif ($operator == 'TIME') {
/* still need to figure this one out */
}elseif ($operator == 'LTIME') {
/* still need to figure this one out */
}
}
function thold_expression_setops_rpn($operator, &$stack) {
global $rpn_error;
if ($operator == 'SORT') {
$count = thold_expression_rpn_pop($stack);
$v = array();
if ($count > 0) {
for($i = 0; $i < $count; $i++) {
$v[] = thold_expression_rpn_pop($stack);
}
sort($v, SORT_NUMERIC);
foreach($v as $val) {
array_push($stack, $val);
}
}
}elseif ($operator == 'REV') {
$count = thold_expression_rpn_pop($stack);
$v = array();
if ($count > 0) {
for($i = 0; $i < $count; $i++) {
$v[] = thold_expression_rpn_pop($stack);
}
$v = array_reverse($v);
foreach($v as $val) {
array_push($stack, $val);
}
}
}elseif ($operator == 'AVG') {
$count = thold_expression_rpn_pop($stack);
if ($count > 0) {
$total = 0;
$inf = false;
$neginf = false;
for($i = 0; $i < $count; $i++) {
$v = thold_expression_rpn_pop($stack);
if ($v == 'INF') {
$inf = true;
}elseif ($v == 'NEGINF') {
$neginf = true;
} else {
$total += $v;
}
}
if ($inf) {
array_push($stack, 'INF');
}elseif ($neginf) {
array_push($stack, 'NEGINF');
} else {
array_push($stack, $total/$count);
}
}
}
}
function thold_expression_ds_value($operator, &$stack, $data_sources) {
global $rpn_error;
if (sizeof($data_sources)) {
foreach($data_sources as $rrd_name => $value) {
if (strtoupper($rrd_name) == $operator) {
array_push($stack, $value);
return;
}
}
}
array_push($stack, 0);
}
function thold_expression_specialtype_rpn($operator, &$stack, $rra_id, $currentval) {
switch ($operator) {
case 'CURRENT_DATA_SOURCE':
array_push($stack, $currentval);
break;
case 'CURRENT_GRAPH_MAXIMUM_VALUE':
array_push(get_current_value($rra_id, 'upper_limit', 0));
break;
case 'CURRENT_GRAPH_MINIMUM_VALUE':
array_push(get_current_value($rra_id, 'lower_limit', 0));
break;
case 'CURRENT_DS_MINIMUM_VALUE':
array_push(get_current_value($rra_id, 'rrd_minimum', 0));
break;
case 'CURRENT_DS_MAXIMUM_VALUE':
array_push($stack, get_current_value($rra_id, 'rrd_maximum', 0));
break;
case 'VALUE_OF_HDD_TOTAL':
array_push($stack, get_current_value($rra_id, 'hdd_total', 0));
break;
case 'ALL_DATA_SOURCES_NODUPS':
case 'ALL_DATA_SOURCES_DUPS':
$v1 = 0;
$all_dsns = array();
$all_dsns = db_fetch_assoc("SELECT data_source_name FROM data_template_rrd WHERE local_data_id = " . $rra_id);
if (is_array($all_dsns)) {
foreach ($all_dsns as $dsn) {
$v1 += get_current_value($rra_id, $dsn['data_source_name'], 0);
}
}
array_push($stack, $v1);
break;
default:
cacti_log('WARNING: CDEF property not implemented yet: ' . $operator, false, 'THOLD');
array_push($stack, $oldvalue);
break;
}
}
function thold_get_currentval(&$t_item, &$rrd_reindexed, &$rrd_time_reindexed, &$item, &$currenttime) {
/* adjust the polling interval by the last read, if applicable */
$currenttime = $rrd_time_reindexed[$t_item['rra_id']];
if ($t_item['lasttime'] > 0) {
$polling_interval = $currenttime - $t_item['lasttime'];
} else {
$polling_interval = $t_item['rrd_step'];
}
$currentval = 0;
if (isset($rrd_reindexed[$t_item['rra_id']])) {
$item = $rrd_reindexed[$t_item['rra_id']];
if (isset($item[$t_item['name']])) {
switch ($t_item['data_source_type_id']) {
case 2: // COUNTER
if ($t_item['oldvalue'] != 0) {
if ($item[$t_item['name']] >= $t_item['oldvalue']) {
// Everything is normal
$currentval = $item[$t_item['name']] - $t_item['oldvalue'];
} else {
// Possible overflow, see if its 32bit or 64bit
if ($t_item['oldvalue'] > 4294967295) {
$currentval = (18446744073709551615 - $t_item['oldvalue']) + $item[$t_item['name']];
} else {
$currentval = (4294967295 - $t_item['oldvalue']) + $item[$t_item['name']];
}
}
$currentval = $currentval / $polling_interval;
/* assume counter reset if greater than max value */
if ($t_item['rrd_maximum'] > 0 && $currentval > $t_item['rrd_maximum']) {
$currentval = $item[$t_item['name']] / $polling_interval;
}elseif ($t_item['rrd_maximum'] == 0 && $currentval > 4.25E+9) {
$currentval = $item[$t_item['name']] / $polling_interval;
}
} else {
$currentval = 0;
}
break;
case 3: // DERIVE
$currentval = ($item[$t_item['name']] - $t_item['oldvalue']) / $polling_interval;
break;
case 4: // ABSOLUTE
$currentval = $item[$t_item['name']] / $polling_interval;
break;
case 1: // GAUGE
default:
$currentval = $item[$t_item['name']];
break;
}
}
}
return $currentval;
}
function thold_calculate_expression($thold, $currentval, &$rrd_reindexed, &$rrd_time_reindexed) {
global $rpn_error;
/* set an rpn error flag */
$rpn_error = false;
/* operators to support */
$math = array('+', '-', '*', '/', '%', '^', 'ADDNAN', 'SIN', 'COS', 'LOG', 'EXP',
'SQRT', 'ATAN', 'ATAN2', 'FLOOR', 'CEIL', 'DEG2RAD', 'RAD2DEG', 'ABS');
$boolean = array('LT', 'LE', 'GT', 'GE', 'EQ', 'NE', 'UN', 'ISNF', 'IF', 'AND', 'OR');
$comparison = array('MIN', 'MAX', 'LIMIT');
$setops = array('SORT', 'REV', 'AVG');
$specvals = array('UNKN', 'INF', 'NEGINF', 'PREV', 'COUNT');
$stackops = array('DUP', 'POP', 'EXC');
$time = array('NOW', 'TIME', 'LTIME');
$spectypes = array('CURRENT_DATA_SOURCE','CURRENT_GRAPH_MINIMUM_VALUE',
'CURRENT_GRAPH_MINIMUM_VALUE','CURRENT_DS_MINIMUM_VALUE',
'CURRENT_DS_MAXIMUM_VALUE','VALUE_OF_HDD_TOTAL',
'ALL_DATA_SOURCES_NODUPS','ALL_DATA_SOURCES_DUPS');
/* our expression array */
$expression = explode(',', $thold['expression']);
/* out current data sources */
$data_sources = $rrd_reindexed[$thold['rra_id']];
if (sizeof($data_sources)) {
foreach($data_sources as $key => $value) {
$key = strtolower($key);
$nds[$key] = $value;
}
$data_sources = $nds;
}
/* replace all data tabs in the rpn with values */
if (sizeof($expression)) {
foreach($expression as $key => $item) {
if (substr_count($item, "|ds:")) {
$dsname = strtolower(trim(str_replace("|ds:", "", $item), " |\n\r"));
$thold_item = db_fetch_row("SELECT thold_data.id, thold_data.graph_id,
thold_data.percent_ds, thold_data.expression,
thold_data.data_type, thold_data.cdef, thold_data.rra_id,
thold_data.data_id, thold_data.lastread,
UNIX_TIMESTAMP(thold_data.lasttime) AS lasttime, thold_data.oldvalue,
data_template_rrd.data_source_name as name,
data_template_rrd.data_source_type_id, data_template_data.rrd_step,
data_template_rrd.rrd_maximum
FROM thold_data
LEFT JOIN data_template_rrd
ON (data_template_rrd.id = thold_data.data_id)
LEFT JOIN data_template_data
ON (data_template_data.local_data_id=thold_data.rra_id)
WHERE data_template_rrd.data_source_name='$dsname'
AND thold_data.rra_id=" . $thold['rra_id'], false);
if (sizeof($thold_item)) {
$item = array();
$currenttime = 0;
$expression[$key] = thold_get_currentval($thold_item, $rrd_reindexed, $rrd_time_reindexed, $item, $currenttime);
} else {
$value = '';
if (api_plugin_is_enabled('dsstats') && read_config_option("dsstats_enable") == "on") {
$value = db_fetch_cell("SELECT calculated
FROM data_source_stats_hourly_last
WHERE local_data_id=" . $thold['rrd_id'] . "
AND rrd_name='$dsname'");
}
if (empty($value) || $value == '-90909090909') {
$expression[$key] = get_current_value($thold['rra_id'], $dsname);
} else {
$expression[$key] = $value;
}
cacti_log($expression[$key]);
}
if ($expression[$key] == '') $expression[$key] = '0';
}elseif (substr_count($item, "|")) {
$gl = db_fetch_row("SELECT * FROM graph_local WHERE id=" . $thold["graph_id"]);
if (sizeof($gl)) {
$expression[$key] = thold_expand_title($thold, $gl["host_id"], $gl["snmp_query_id"], $gl["snmp_index"], $item);
} else {
$expression[$key] = '0';
cacti_log("WARNING: Query Replacement for '$item' Does Not Exist");
}
if ($expression[$key] == '') $expression[$key] = '0';
} else {
/* normal operator */
}
}
}
//cacti_log(implode(",", array_keys($data_sources)));
//cacti_log(implode(",", $data_sources));
//cacti_log(implode(",", $expression));
/* now let's process the RPN stack */
$x = count($expression);
if ($x == 0) return $currentval;
/* operation stack for RPN */
$stack = array();
/* current pointer in the RPN operations list */
$cursor = 0;
while($cursor < $x) {
$operator = strtoupper(trim($expression[$cursor]));
/* is the operator a data source */
if (is_numeric($operator)) {
//cacti_log("NOTE: Numeric '$operator'", false, "THOLD");
array_push($stack, $operator);
}elseif (array_key_exists($operator, $data_sources)) {
//cacti_log("NOTE: DS Value '$operator'", false, "THOLD");
thold_expression_ds_value($operator, $stack, $data_sources);
}elseif (in_array($operator, $comparison)) {
//cacti_log("NOTE: Compare '$operator'", false, "THOLD");
thold_expression_compare_rpn($operator, $stack);
}elseif (in_array($operator, $boolean)) {
//cacti_log("NOTE: Boolean '$operator'", false, "THOLD");
thold_expression_boolean_rpn($operator, $stack);
}elseif (in_array($operator, $math)) {
//cacti_log("NOTE: Math '$operator'", false, "THOLD");
thold_expression_math_rpn($operator, $stack);
}elseif (in_array($operator, $setops)) {
//cacti_log("NOTE: SetOps '$operator'", false, "THOLD");
thold_expression_setops_rpn($operator, $stack);
}elseif (in_array($operator, $specvals)) {
//cacti_log("NOTE: SpecVals '$operator'", false, "THOLD");
thold_expression_specvals_rpn($operator, $stack, $cursor + 2);
}elseif (in_array($operator, $stackops)) {
//cacti_log("NOTE: StackOps '$operator'", false, "THOLD");
thold_expression_stackops_rpn($operator, $stack);
}elseif (in_array($operator, $time)) {
//cacti_log("NOTE: Time '$operator'", false, "THOLD");
thold_expression_time_rpn($operator, $stack);
}elseif (in_array($operator, $spectypes)) {
//cacti_log("NOTE: SpecialTypes '$operator'", false, "THOLD");
thold_expression_specialtype_rpn($operator, $stack, $thold['rra_id'], $currentval);
} else {
cacti_log("WARNING: Unsupported Field '$operator'", false, "THOLD");
$rpn_error = true;
}
$cursor++;
if ($rpn_error) {
cacti_log("ERROR: RPN Expression is invalid! THold:'" . $thold['thold_name'] . "', Value:'" . $currentval . "', Expression:'" . $thold['expression'] . "'", false, 'THOLD');
return 0;
}
}
return $stack[0];
}
function thold_expand_title($thold, $host_id, $snmp_query_id, $snmp_index, $string) {
if (strstr($string, "|query_") && !empty($host_id)) {
$value = thold_substitute_snmp_query_data($string, $host_id, $snmp_query_id, $snmp_index, read_config_option("max_data_query_field_length"));
if ($value == '|query_ifHighSpeed|') {
$value = thold_substitute_snmp_query_data('|query_ifSpeed|', $host_id, $snmp_query_id, $snmp_index, read_config_option("max_data_query_field_length")) / 1000000;
}
if (strstr($value, "|")) {
cacti_log("WARNING: Expression Replacment for '$string' in THold '" . $thold["thold_name"] . "' Failed, A Reindex may be required!");
return '0';
}
return $value;
}elseif ((strstr($string, "|host_")) && (!empty($host_id))) {
return thold_substitute_host_data($string, "|", "|", $host_id);
}else{
return $string;
}
}
function thold_substitute_snmp_query_data($string, $host_id, $snmp_query_id, $snmp_index, $max_chars = 0) {
$field_name = trim(str_replace("|query_", "", $string),"| \n\r");
$snmp_cache_data = db_fetch_cell("SELECT field_value
FROM host_snmp_cache
WHERE host_id=$host_id
AND snmp_query_id=$snmp_query_id
AND snmp_index='$snmp_index'
AND field_name='$field_name'");
if ($snmp_cache_data != '') {
return $snmp_cache_data;
}else{
return $string;
}
}
function thold_substitute_host_data($string, $l_escape_string, $r_escape_string, $host_id) {
$field_name = trim(str_replace("|host_", "", $string),"| \n\r");
if (!isset($_SESSION["sess_host_cache_array"][$host_id])) {
$host = db_fetch_row("select * from host where id=$host_id");
$_SESSION["sess_host_cache_array"][$host_id] = $host;
}
if (isset($_SESSION["sess_host_cache_array"][$host_id][$field_name])) {
return $_SESSION["sess_host_cache_array"][$host_id][$field_name];
}
$string = str_replace($l_escape_string . "host_management_ip" . $r_escape_string, $_SESSION["sess_host_cache_array"][$host_id]["hostname"], $string);
$temp = api_plugin_hook_function('substitute_host_data', array('string' => $string, 'l_escape_string' => $l_escape_string, 'r_escape_string' => $r_escape_string, 'host_id' => $host_id));
$string = $temp['string'];
return $string;
}
function thold_calculate_percent($thold, $currentval, $rrd_reindexed) {
$ds = $thold['percent_ds'];
if (isset($rrd_reindexed[$thold['rra_id']][$ds])) {
$t = $rrd_reindexed[$thold['rra_id']][$thold['percent_ds']];
if ($t != 0) {
$currentval = ($currentval / $t) * 100;
} else {
$currentval = 0;
}
} else {
$currentval = '';
}
return $currentval;
}
function thold_user_auth_threshold ($rra) {
$current_user = db_fetch_row("select policy_graphs,policy_hosts,policy_graph_templates from user_auth where id=" . $_SESSION["sess_user_id"]);
$sql_where = 'WHERE ' . get_graph_permissions_sql($current_user['policy_graphs'], $current_user['policy_hosts'], $current_user['policy_graph_templates']);
$graphs = db_fetch_assoc('SELECT DISTINCT graph_templates_graph.local_graph_id
FROM data_template_rrd
LEFT JOIN graph_templates_item ON graph_templates_item.task_item_id = data_template_rrd.id
LEFT JOIN graph_local ON (graph_local.id=graph_templates_item.local_graph_id)
LEFT JOIN host ON graph_local.host_id = host.id
LEFT JOIN graph_templates_graph ON graph_templates_graph.local_graph_id = graph_local.id
LEFT JOIN graph_templates ON (graph_templates.id=graph_templates_graph.graph_template_id)
LEFT JOIN user_auth_perms on ((graph_templates_graph.local_graph_id=user_auth_perms.item_id and user_auth_perms.type=1 and user_auth_perms.user_id=' . $_SESSION['sess_user_id'] . ') OR (host.id=user_auth_perms.item_id and user_auth_perms.type=3 and user_auth_perms.user_id=' . $_SESSION['sess_user_id'] . ') OR (graph_templates.id=user_auth_perms.item_id and user_auth_perms.type=4 and user_auth_perms.user_id=' . $_SESSION['sess_user_id'] . "))
$sql_where
AND data_template_rrd.local_data_id = $rra");
if (!empty($graphs)) {
return true;
}
return false;
}
function thold_log($save){
$save['id'] = 0;
if (read_config_option('thold_log_cacti') == 'on') {
$thold = db_fetch_row('SELECT * FROM thold_data WHERE id = ' . $save['threshold_id'], FALSE);
$dt = db_fetch_cell('SELECT data_template_id FROM data_template_data WHERE local_data_id=' . $thold['rra_id'], FALSE);
$tname = db_fetch_cell('SELECT name FROM data_template WHERE id=' . $dt, FALSE);
$ds = db_fetch_cell('SELECT data_source_name FROM data_template_rrd WHERE id=' . $thold['data_id'], FALSE);
if ($save['status'] == 0) {
$desc = "Threshold Restored ID: " . $save['threshold_id'];
} else {
$desc = "Threshold Breached ID: " . $save['threshold_id'];
}
$desc .= ' DataTemplate: ' . $tname;
$desc .= ' DataSource: ' . $ds;
$types = array('High/Low', 'Baseline Deviation', 'Time Based');
$desc .= ' Type: ' . $types[$thold['thold_type']];
$desc .= ' Enabled: ' . $thold['thold_enabled'];
switch ($thold['thold_type']) {
case 0:
$desc .= ' Current: ' . $save['current'];
$desc .= ' High: ' . $thold['thold_hi'];
$desc .= ' Low: ' . $thold['thold_low'];
$desc .= ' Trigger: ' . plugin_thold_duration_convert($thold['rra_id'], $thold['thold_fail_trigger'], 'alert');
$desc .= ' Warning High: ' . $thold['thold_warning_hi'];
$desc .= ' Warning Low: ' . $thold['thold_warning_low'];
$desc .= ' Warning Trigger: ' . plugin_thold_duration_convert($thold['rra_id'], $thold['thold_warning_fail_trigger'], 'alert');
break;
case 1:
$desc .= ' Current: ' . $save['current'];
break;
case 2:
$desc .= ' Current: ' . $save['current'];
$desc .= ' High: ' . $thold['time_hi'];
$desc .= ' Low: ' . $thold['time_low'];
$desc .= ' Trigger: ' . $thold['time_fail_trigger'];
$desc .= ' Time: ' . plugin_thold_duration_convert($thold['rra_id'], $thold['time_fail_length'], 'time');
$desc .= ' Warning High: ' . $thold['time_warning_hi'];
$desc .= ' Warning Low: ' . $thold['time_warning_low'];
$desc .= ' Warning Trigger: ' . $thold['time_warning_fail_trigger'];
$desc .= ' Warning Time: ' . plugin_thold_duration_convert($thold['rra_id'], $thold['time_warning_fail_length'], 'time');
break;
}
$desc .= ' SentTo: ' . $save['emails'];
if ($save['status'] != 1) {
thold_cacti_log($desc);
}
}
unset($save['emails']);
$id = sql_save($save, 'plugin_thold_log');
}
function plugin_thold_duration_convert($rra, $data, $type, $field = 'local_data_id') {
/* handle a null data value */
if ($data == '') {
return '';
}
$step = db_fetch_cell("SELECT rrd_step FROM data_template_data WHERE $field=$rra");
if ($step == 60) {
$repeatarray = array(0 => 'Never', 1 => 'Every Minute', 2 => 'Every 2 Minutes', 3 => 'Every 3 Minutes', 4 => 'Every 4 Minutes', 5 => 'Every 5 Minutes', 10 => 'Every 10 Minutes', 15 => 'Every 15 Minutes', 20 => 'Every 20 Minutes', 30 => 'Every 30 Minutes', 45 => 'Every 45 Minutes', 60 => 'Every Hour', 120 => 'Every 2 Hours', 180 => 'Every 3 Hours', 240 => 'Every 4 Hours', 360 => 'Every 6 Hours', 480 => 'Every 8 Hours', 720 => 'Every 12 Hours', 1440 => 'Every Day', 2880 => 'Every 2 Days', 10080 => 'Every Week', 20160 => 'Every 2 Weeks', 43200 => 'Every Month');
$alertarray = array(0 => 'Never', 1 => '1 Minute', 2 => '2 Minutes', 3 => '3 Minutes', 4 => '4 Minutes', 5 => '5 Minutes', 10 => '10 Minutes', 15 => '15 Minutes', 20 => '20 Minutes', 30 => '30 Minutes', 45 => '45 Minutes', 60 => '1 Hour', 120 => '2 Hours', 180 => '3 Hours', 240 => '4 Hours', 360 => '6 Hours', 480 => '8 Hours', 720 => '12 Hours', 1440 => '1 Day', 2880 => '2 Days', 10080 => '1 Week', 20160 => '2 Weeks', 43200 => '1 Month');
$timearray = array(1 => '1 Minute', 2 => '2 Minutes', 3 => '3 Minutes', 4 => '4 Minutes', 5 => '5 Minutes', 10 => '10 Minutes', 15 => '15 Minutes', 20 => '20 Minutes', 30 => '30 Minutes', 45 => '45 Minutes', 60 => '1 Hour', 120 => '2 Hours', 180 => '3 Hours', 240 => '4 Hours', 360 => '6 Hours', 480 => '8 Hours', 720 => '12 Hours', 1440 => '1 Day', 2880 => '2 Days', 10080 => '1 Week', 20160 => '2 Weeks', 43200 => '1 Month');
} else if ($step == 300) {
$repeatarray = array(0 => 'Never', 1 => 'Every 5 Minutes', 2 => 'Every 10 Minutes', 3 => 'Every 15 Minutes', 4 => 'Every 20 Minutes', 6 => 'Every 30 Minutes', 8 => 'Every 45 Minutes', 12 => 'Every Hour', 24 => 'Every 2 Hours', 36 => 'Every 3 Hours', 48 => 'Every 4 Hours', 72 => 'Every 6 Hours', 96 => 'Every 8 Hours', 144 => 'Every 12 Hours', 288 => 'Every Day', 576 => 'Every 2 Days', 2016 => 'Every Week', 4032 => 'Every 2 Weeks', 8640 => 'Every Month');
$alertarray = array(0 => 'Never', 1 => '5 Minutes', 2 => '10 Minutes', 3 => '15 Minutes', 4 => '20 Minutes', 5 => '25 Minutes', 6 => '30 Minutes', 7 => '35 Minutes', 8 => '40 Minutes', 12 => '1 Hour', 24 => '2 Hours', 36 => '3 Hours', 48 => '4 Hours', 72 => '6 Hours', 96 => '8 Hours', 144 => '12 Hours', 288 => '1 Day', 576 => '2 Days', 2016 => '1 Week', 4032 => '2 Weeks', 8640 => '1 Month');
$timearray = array(1 => '5 Minutes', 2 => '10 Minutes', 3 => '15 Minutes', 4 => '20 Minutes', 6 => '30 Minutes', 8 => '45 Minutes', 12 => '1 Hour', 24 => '2 Hours', 36 => '3 Hours', 48 => '4 Hours', 72 => '6 Hours', 96 => '8 Hours', 144 => '12 Hours', 288 => '1 Day', 576 => '2 Days', 2016 => '1 Week', 4032 => '2 Weeks', 8640 => '1 Month');
} else {
$repeatarray = array(0 => 'Never', 1 => 'Every Polling', 2 => 'Every 2 Pollings', 3 => 'Every 3 Pollings', 4 => 'Every 4 Pollings', 6 => 'Every 6 Pollings', 8 => 'Every 8 Pollings', 12 => 'Every 12 Pollings', 24 => 'Every 24 Pollings', 36 => 'Every 36 Pollings', 48 => 'Every 48 Pollings', 72 => 'Every 72 Pollings', 96 => 'Every 96 Pollings', 144 => 'Every 144 Pollings', 288 => 'Every 288 Pollings', 576 => 'Every 576 Pollings', 2016 => 'Every 2016 Pollings');
$alertarray = array(0 => 'Never', 1 => '1 Polling', 2 => '2 Pollings', 3 => '3 Pollings', 4 => '4 Pollings', 6 => '6 Pollings', 8 => '8 Pollings', 12 => '12 Pollings', 24 => '24 Pollings', 36 => '36 Pollings', 48 => '48 Pollings', 72 => '72 Pollings', 96 => '96 Pollings', 144 => '144 Pollings', 288 => '288 Pollings', 576 => '576 Pollings', 2016 => '2016 Pollings');
$timearray = array(1 => '1 Polling', 2 => '2 Pollings', 3 => '3 Pollings', 4 => '4 Pollings', 6 => '6 Pollings', 8 => '8 Pollings', 12 => '12 Pollings', 24 => '24 Pollings', 36 => '36 Pollings', 48 => '48 Pollings', 72 => '72 Pollings', 96 => '96 Pollings', 144 => '144 Pollings', 288 => '288 Pollings', 576 => '576 Pollings', 2016 => '2016 Pollings');
}
switch ($type) {
case 'repeat':
return (isset($repeatarray[$data]) ? $repeatarray[$data] : $data);
break;
case 'alert':
return (isset($alertarray[$data]) ? $alertarray[$data] : $data);
break;
case 'time':
return (isset($timearray[$data]) ? $timearray[$data] : $data);
break;
}
return $data;
}
function plugin_thold_log_changes($id, $changed, $message = array()) {
global $config;
$desc = '';
if (read_config_option('thold_log_changes') != 'on') {
return;
}
if (isset($_SESSION['sess_user_id'])) {
$user = db_fetch_row('SELECT username FROM user_auth WHERE id = ' . $_SESSION['sess_user_id']);
$user = $user['username'];
} else {
$user = 'Unknown';
}
switch ($changed) {
case 'enabled_threshold':
$thold = db_fetch_row('SELECT * FROM thold_data WHERE id = ' . $id, FALSE);
$tname = db_fetch_cell('SELECT name FROM data_template WHERE id=' . $thold['data_template']);
$ds = db_fetch_cell('SELECT data_source_name FROM data_template_rrd WHERE id=' . $thold['data_id']);
$desc = "Enabled Threshold User: $user ID: <a href='" . $config['url_path'] . "plugins/thold/thold.php?rra=" . $thold['rra_id'] . "&view_rrd=" . $thold['data_id'] . "'>$id</a>";
$desc .= ' DataTemplate: ' . $tname;
$desc .= ' DataSource: ' . $ds;
break;
case 'disabled_threshold':
$thold = db_fetch_row('SELECT * FROM thold_data WHERE id = ' . $id, FALSE);
$tname = db_fetch_cell('SELECT name FROM data_template WHERE id=' . $thold['data_template']);
$ds = db_fetch_cell('SELECT data_source_name FROM data_template_rrd WHERE id=' . $thold['data_id']);
$desc = "Disabled Threshold User: $user ID: <a href='" . $config['url_path'] . "plugins/thold/thold.php?rra=" . $thold['rra_id'] . "&view_rrd=" . $thold['data_id'] . "'>$id</a>";
$desc .= ' DataTemplate: ' . $tname;
$desc .= ' DataSource: ' . $ds;
break;
case 'reapply_name':
$thold = db_fetch_row('SELECT * FROM thold_data WHERE id=' . $id, FALSE);
$tname = db_fetch_cell('SELECT name FROM data_template WHERE id=' . $thold['data_template']);
$ds = db_fetch_cell('SELECT data_source_name FROM data_template_rrd WHERE id=' . $thold['data_id']);
$desc = "Reapply Threshold Name User: $user ID: <a href='" . $config['url_path'] . "plugins/thold/thold.php?rra=" . $thold['rra_id'] . "&view_rrd=" . $thold['data_id'] . "'>$id</a>";
$desc .= ' DataTemplate: ' . $tname;
$desc .= ' DataSource: ' . $ds;
break;
case 'enabled_host':
$host = db_fetch_row('SELECT * FROM host WHERE id = ' . $id);
$desc = "User: $user Enabled Host[$id] - " . $host['description'] . ' (' . $host['hostname'] . ')';
break;
case 'disabled_host':
$host = db_fetch_row('SELECT * FROM host WHERE id = ' . $id);
$desc = "User: $user Disabled Host[$id] - " . $host['description'] . ' (' . $host['hostname'] . ')';
break;
case 'auto_created':
$thold = db_fetch_row('SELECT * FROM thold_data WHERE id = ' . $id, FALSE);
$tname = db_fetch_cell('SELECT name FROM data_template WHERE id=' . $thold['data_template']);
$ds = db_fetch_cell('SELECT data_source_name FROM data_template_rrd WHERE id=' . $thold['data_id']);
$desc = "Auto-created Threshold User: $user ID: <a href='" . $config['url_path'] . "plugins/thold/thold.php?rra=" . $thold['rra_id'] . "&view_rrd=" . $thold['data_id'] . "'>$id</a>";
$desc .= ' DataTemplate: ' . $tname;
$desc .= ' DataSource: ' . $ds;
break;
case 'created':
$thold = db_fetch_row('SELECT * FROM thold_data WHERE id = ' . $id, FALSE);
$tname = db_fetch_cell('SELECT name FROM data_template WHERE id=' . $thold['data_template']);
$ds = db_fetch_cell('SELECT data_source_name FROM data_template_rrd WHERE id=' . $thold['data_id']);
$desc = "Created Threshold User: $user ID: <a href='" . $config['url_path'] . "plugins/thold/thold.php?rra=" . $thold['rra_id'] . "&view_rrd=" . $thold['data_id'] . "'>$id</a>";
$desc .= ' DataTemplate: ' . $tname;
$desc .= ' DataSource: ' . $ds;
break;