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cacti/lib/boost.php
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<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2016 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 boost_file_size_display($file_size, $digits = 2) {
if ($file_size > 1024) {
$file_size = round(($file_size / 1024), 0);
if ($file_size > 1024) {
$file_size = round(($file_size / 1024), 0);
if ($file_size > 1024) {
$file_size = round(($file_size / 1024), 0);
$file_suffix = ' GBytes';
}else{
$file_suffix = ' MBytes';
}
}else{
$file_suffix = ' KBytes';
}
}else{
$file_suffix = ' Bytes';
}
$file_size = round($file_size, $digits) . $file_suffix;
return $file_size;
}
function boost_get_total_rows() {
return db_fetch_cell("SELECT SUM(TABLE_ROWS) FROM INFORMATION_SCHEMA.TABLES
WHERE table_schema=SCHEMA()
AND (table_name LIKE 'poller_output_boost_arch_%' OR table_name LIKE 'poller_output_boost')
GROUP BY table_schema");
}
function boost_error_handler($errno, $errmsg, $filename, $linenum, $vars) {
if (read_config_option('log_verbosity') >= POLLER_VERBOSITY_DEBUG) {
/* define all error types */
$errortype = array(
E_ERROR => 'Error',
E_WARNING => 'Warning',
E_PARSE => 'Parsing Error',
E_NOTICE => 'Notice',
E_CORE_ERROR => 'Core Error',
E_CORE_WARNING => 'Core Warning',
E_COMPILE_ERROR => 'Compile Error',
E_COMPILE_WARNING => 'Compile Warning',
E_USER_ERROR => 'User Error',
E_USER_WARNING => 'User Warning',
E_USER_NOTICE => 'User Notice',
E_STRICT => 'Runtime Notice'
);
if (defined('E_RECOVERABLE_ERROR')) {
$errortype[E_RECOVERABLE_ERROR] = 'Catchable Fatal Error';
}
if (defined('E_DEPRECATED')) {
$errortype[E_DEPRECATED] = 'Deprecated Warning';
}
/* create an error string for the log */
$err = "ERRNO:'" . $errno . "' TYPE:'" . $errortype[$errno] .
"' MESSAGE:'" . $errmsg . "' IN FILE:'" . $filename .
"' LINE NO:'" . $linenum . "'";
/* let's ignore some lesser issues */
if (substr_count($errmsg, 'date_default_timezone')) return;
if (substr_count($errmsg, 'Only variables')) return;
/* log the error to the Cacti log */
cacti_log('PROGERR: ' . $err, false, 'BOOST');
}
return;
}
function boost_check_correct_enabled() {
if ((read_config_option('boost_rrd_update_enable') == 'on') ||
(read_config_option('boost_rrd_update_system_enable') == 'on')) {
/* turn on the system level updates as that is what dictates "off" */
if (read_config_option('boost_rrd_update_system_enable') != 'on') {
db_execute("REPLACE INTO settings (name,value)
VALUES ('boost_rrd_update_system_enable','on')");
}
}else{
restore_error_handler();
return false;
}
return true;
}
function boost_poller_on_demand(&$results) {
global $config;
if (read_config_option('boost_rrd_update_enable') == 'on') {
/* suppress warnings */
if (defined('E_DEPRECATED')) {
error_reporting(E_ALL ^ E_DEPRECATED);
}else{
error_reporting(E_ALL);
}
/* install the boost error handler */
set_error_handler('boost_error_handler');
$outbuf = '';
$sql_prefix = 'INSERT INTO poller_output_boost (local_data_id, rrd_name, time, output) VALUES ';
$sql_suffix = ' ON DUPLICATE KEY UPDATE output=VALUES(output)';
$overhead = strlen($sql_prefix) + strlen($sql_suffix);
if (boost_check_correct_enabled()) {
/* if boost redirect is on, rows are being inserted directly */
if (read_config_option('boost_redirect') == 'on') {
if (read_config_option('poller_type') == '1') {
cacti_log('WARNING: Boost Redirect is enabled, but you are using cmd.php', false, 'BOOST');
}else{
restore_error_handler();
return false;
}
}
$max_allowed_packet = db_fetch_row("SHOW VARIABLES LIKE 'max_allowed_packet'");
$max_allowed_packet = $max_allowed_packet['Value'];
if (sizeof($results)) {
$i = 1;
$out_length = 0;
foreach($results as $result) {
if ($i == 1) {
$delim = '';
}else{
$delim = ',';
}
$outbuf2 =
$delim . "('" .
$result['local_data_id'] . "','" .
$result['rrd_name'] . "','" .
$result['time'] . "','" .
$result['output'] . "')";
$out_length += strlen($outbuf2);
if (($out_length + $overhead) > $max_allowed_packet) {
db_execute($sql_prefix . $outbuf . $sql_suffix);
$outbuf = $outbuf2;
$out_length = strlen($outbuf2);
$i = 1;
}else{
$outbuf .= $outbuf2;
$i++;
}
}
if (strlen($outbuf)) {
db_execute($sql_prefix . $outbuf . $sql_suffix);
}
}
$return_value = false;
}else{
$return_value = true;
}
/* restore original error handler */
restore_error_handler();
return $return_value;
}else{
return true;
}
}
function boost_poller_id_check() {
global $config;
$storage_location = read_config_option('storage_location');
/* error out if running from a remote poller and the storage
* location is not the RRDproxy */
if ($config['poller_id'] > 1) {
if ($config['connection'] == 'online') {
if ($storage_location == 0) {
return false;
}else{
return true;
}
}else{
return false;
}
}
return true;
}
function boost_fetch_cache_check($local_data_id) {
global $config, $rrdtool_pipe;
if (read_config_option('boost_rrd_update_enable') == 'on') {
/* include poller processing routinges */
include_once($config['library_path'] . '/poller.php');
/* check to see if boost can do it's job */
if (!boost_poller_id_check()) {
return false;
}
/* suppress warnings */
if (defined('E_DEPRECATED')) {
error_reporting(E_ALL ^ E_DEPRECATED);
}else{
error_reporting(E_ALL);
}
/* install the boost error handler */
set_error_handler('boost_error_handler');
/* process input parameters */
$rrdtool_pipe = rrd_init();
/* get the information to populate into the rrd files */
if (boost_check_correct_enabled()) {
$updates += boost_process_poller_output($local_data_id);
}
/* restore original error handler */
restore_error_handler();
/* close rrdtool */
rrd_close($rrdtool_pipe);
}
}
function boost_return_cached_image(&$graph_data_array) {
if (isset($graph_data_array['export_csv'])) {
return false;
}elseif (isset($graph_data_array['export_realtime'])) {
return false;
}elseif (isset($graph_data_array['disable_cache']) && $graph_data_array['disable_cache'] == true) {
return false;
}elseif (read_config_option('boost_png_cache_enable') == 'on' && boost_determine_caching_state()) {
return true;
}else{
return false;
}
}
function boost_graph_cache_check($local_graph_id, $rra_id, $rrdtool_pipe, &$graph_data_array, $return = true) {
global $config;
/* include poller processing routinges */
include_once($config['library_path'] . '/poller.php');
/* suppressnwarnings */
if (defined('E_DEPRECATED')) {
error_reporting(E_ALL ^ E_DEPRECATED);
}else{
error_reporting(E_ALL);
}
/* install the boost error handler */
set_error_handler('boost_error_handler');
/* check to see if boost can do it's job */
if (!boost_poller_id_check()) {
return false;
}
/* if we are just printing the rrd command return */
if (isset($graph_data_array['print_source'])) {
/* restore original error handler */
restore_error_handler();
return false;
}
/* if we want to view the error message, then don't show the cache */
if ((isset($graph_data_array['output_flag'])) &&
($graph_data_array['output_flag'] == RRDTOOL_OUTPUT_STDERR)) {
/* restore original error handler */
restore_error_handler();
return false;
}
/* get the information to populate into the rrd files */
if (boost_check_correct_enabled()) {
/* before we make a graph, we need to check for rrd updates and perform them. */
$local_data_ids = db_fetch_assoc_prepared('SELECT DISTINCT
data_template_rrd.local_data_id
FROM graph_templates_item
INNER JOIN data_template_rrd
ON (graph_templates_item.task_item_id = data_template_rrd.id)
WHERE graph_templates_item.local_graph_id = ?
AND data_template_rrd.local_data_id > 0', array($local_graph_id));
/* first update the RRD files */
if (sizeof($local_data_ids)) {
$updates = 0;
foreach($local_data_ids as $local_data_id) {
$updates += boost_process_poller_output($local_data_id['local_data_id'], $rrdtool_pipe);
}
if ($updates) {
/* restore original error handler */
restore_error_handler();
return false;
}
}
}
if (isset($_SESSION['sess_current_timespan'])) {
$timespan = $_SESSION['sess_current_timespan'];
}else{
$timespan = 0;
}
/* check the graph cache and use it if it is valid, otherwise turn over to
* cacti's graphing functions.
*/
if (boost_return_cached_image($graph_data_array)) {
/* if timespan is greater than 1, it is a predefined, if it does not
* exist, it is the old fasioned MRTG type graph
*/
$cache_directory = read_config_option('boost_png_cache_directory');
if (strlen($cache_directory)) {
if (is_dir($cache_directory)) {
if (is_writable($cache_directory)) {
if ($rra_id > 0) {
$cache_file = $cache_directory . '/' . get_selected_theme() . '_lgi_' . $local_graph_id . '_rrai_' . $rra_id;
}else{
$cache_file = $cache_directory . '/' . get_selected_theme() . '_lgi_' . $local_graph_id . '_rrai_' . $rra_id . '_tsi_' . $timespan;
}
if (isset($graph_data_array['graph_height'])) {
$cache_file .= '_height_' . $graph_data_array['graph_height'];
}
if (isset($graph_data_array['graph_width'])) {
$cache_file .= '_width_' . $graph_data_array['graph_width'];
}
if (isset($graph_data_array['graph_nolegend'])) {
$cache_file .= '_thumb.png';
}else{
$cache_file .= '.png';
}
if (file_exists($cache_file)) {
$mod_time = filemtime($cache_file);
$poller_interval = read_config_option('poller_interval');
if (!isset($poller_interval)) {
$poller_interval = '300';
}
if (($mod_time + $poller_interval) > time()) {
if ($fileptr = fopen($cache_file, 'rb')) {
$output = fread($fileptr, filesize($cache_file));
fclose($fileptr);
/* restore original error handler */
restore_error_handler();
/* get access to the SNMP Cache of BOOST*/
$mc = new MibCache('CACTI-BOOST-MIB');
$mc->object('boostStatsTotalsImagesCacheReads')->count();
$mc->object('boostStatsLastUpdate')->set( time() );
return $output;
}else{
cacti_log("Attempting to open cache file '$cache_file' failed", false, 'BOOST', POLLER_VERBOSITY_DEBUG);
}
}else{
cacti_log("Boost Cache PNG Expired. Image '$cache_file' will be recreated", false, 'BOOST', POLLER_VERBOSITY_DEBUG);
}
}
}else{
cacti_log('ERROR: Boost Cache Directory is not writable! Can not cache images', false, 'BOOST');
}
}else{
cacti_log('ERROR: Boost Cache Directory does not exist! Can not cache images', false, 'BOOST');
}
}else{
cacti_log('ERROR: Boost Cache Directory variable is not set! Can not cache images', false, 'BOOST');
}
}
/* restore original error handler */
restore_error_handler();
return false;
}
function boost_prep_graph_array($graph_data_array) {
/* suppress warnings */
if (defined('E_DEPRECATED')) {
error_reporting(E_ALL ^ E_DEPRECATED);
}else{
error_reporting(E_ALL);
}
/* install the boost error handler */
set_error_handler('boost_error_handler');
if (boost_determine_caching_state()) {
if (!isset($graph_data_array['output_flag'])) {
if (!isset($graph_data_array['print_source'])) {
$graph_data_array['output_flag'] = RRDTOOL_OUTPUT_STDOUT;
}
}
}
/* restore original error handler */
restore_error_handler();
return $graph_data_array;
}
function boost_graph_set_file(&$output, $local_graph_id, $rra_id) {
global $config, $boost_sock, $graph_data_array;
/* get access to the SNMP Cache of BOOST*/
$mc = new MibCache('CACTI-BOOST-MIB');
/* suppress warnings */
if (defined('E_DEPRECATED')) {
error_reporting(E_ALL ^ E_DEPRECATED);
}else{
error_reporting(E_ALL);
}
/* install the boost error handler */
set_error_handler('boost_error_handler');
if (isset($_SESSION['sess_current_timespan'])) {
$timespan = $_SESSION['sess_current_timespan'];
}else{
$timespan = 0;
}
/* check the graph cache and use it if it is valid, otherwise turn over to
* cacti's graphing fucntions.
*/
if ((read_config_option('boost_png_cache_enable')) && (boost_determine_caching_state())) {
$cache_directory = read_config_option('boost_png_cache_directory');
if (strlen($cache_directory)) {
if (is_dir($cache_directory)) {
if ($rra_id > 0) {
$cache_file = $cache_directory . '/' . get_selected_theme() . '_lgi_' . $local_graph_id . '_rrai_' . $rra_id;
}else{
$cache_file = $cache_directory . '/' . get_selected_theme() . '_lgi_' . $local_graph_id . '_rrai_' . $rra_id . '_tsi_' . $timespan;
}
if (isset($graph_data_array['graph_height'])) {
$cache_file .= '_height_' . $graph_data_array['graph_height'];
}
if (isset($graph_data_array['graph_width'])) {
$cache_file .= '_width_' . $graph_data_array['graph_width'];
}
if (isset($graph_data_array['graph_nolegend'])) {
$cache_file .= '_thumb.png';
}else{
$cache_file .= '.png';
}
if (is_writable($cache_directory)) {
/* if the cache file was created in a prior step, save it */
if (strlen($output) > 10) {
if ($fileptr = fopen($cache_file, 'w')) {
fwrite($fileptr, $output, strlen($output));
fclose($fileptr);
chmod($cache_file, 0666);
/* count the number of images that had to be cached */
$mc->object('boostStatsTotalsImagesCacheWrites')->count();
$mc->object('boostStatsLastUpdate')->set( time() );
}
}
}else{
cacti_log('ERROR: Boost Cache Directory is not writable! Can not cache images', false, 'BOOST');
}
}else{
cacti_log('ERROR: Boost Cache Directory does not exist! Can not cache images', false, 'BOOST');
}
}else{
cacti_log('ERROR: Boost Cache Directory variable is not set! Can not cache images', false, 'BOOST');
}
}
/* restore original error handler */
restore_error_handler();
}
/* boost_timer - allows you to time events in boost and provide stats
@arg $area - a text string that determines what area is being measured
@arg $type - either 'start' or 'end' to start or end the timing */
function boost_timer($area, $type) {
global $boost_stats_log;
/* get the time */
$btime = microtime(true);
if ($type == BOOST_TIMER_START) {
$boost_stats_log[$area][BOOST_TIMER_START] = $btime;
}elseif ($type == BOOST_TIMER_END) {
if (isset($boost_stats_log[$area][BOOST_TIMER_START])) {
if (!isset($boost_stats_log[$area][BOOST_TIMER_TOTAL])) {
$boost_stats_log[$area][BOOST_TIMER_TOTAL] = 0;
$boost_stats_log[$area][BOOST_TIMER_CYCLES] = 0;
}
$boost_stats_log[$area][BOOST_TIMER_TOTAL] += $btime - $boost_stats_log[$area][BOOST_TIMER_START];
$boost_stats_log[$area][BOOST_TIMER_CYCLES]++;
unset($boost_stats_log[$area][BOOST_TIMER_START]);
}
}
}
function boost_timer_get_overhead() {
global $boost_stats_log;
$start = microtime(true);
$area = 'calibrate';
for ($i = 0; $i < BOOST_TIMER_OVERHEAD_MULTIPLIER; $i++) {
boost_timer($area, BOOST_TIMER_START);
boost_timer($area, BOOST_TIMER_END);
}
unset($boost_stats_log[$area]);
return (microtime(true) - $start);
}
/* boost_get_arch_table_name - returns current archive boost table or false if no arch table is present currently */
function boost_get_arch_table_name() {
global $database_default;
$res = db_fetch_cell("SELECT table_name
FROM information_schema.tables
WHERE table_schema='$database_default'
AND table_name LIKE 'poller_output_boost_arch_%'
AND table_rows > 0 LIMIT 1");
if(strlen($res)) {
return $res;
} else {
return false;
}
}
/* boost_process_poller_output - grabs data from the 'poller_output' table and feeds the *completed*
results to RRDTool for processing
@arg $local_data_id - if you are using boost, you need to update only an rra id at a time */
function boost_process_poller_output($local_data_id = '', $rrdtool_pipe = '') {
global $config, $database_default, $boost_sock, $boost_timeout, $debug, $get_memory, $memory_used;
static $warning_issued;
include_once($config['library_path'] . '/rrd.php');
/* suppress warnings */
if (defined('E_DEPRECATED')) {
error_reporting(E_ALL ^ E_DEPRECATED);
}else{
error_reporting(E_ALL);
}
/* install the boost error handler */
set_error_handler('boost_error_handler');
/* load system variables needed */
$log_verbosity = read_config_option('log_verbosity');
$upd_string_len = read_config_option('boost_rrd_update_string_length');
/* tiny SQL where addendum for boost */
if (strlen($local_data_id)) {
/* we can simplify the delete process if only one local_data_id */
$single_local_data_id = true;
$orig_local_data_id = $local_data_id;
/* aquire lock in order to prevent race conditions */
while (!db_fetch_cell("SELECT GET_LOCK('boost.single_ds.$local_data_id', 1)")) {
usleep(50000);
}
}else{
$single_local_data_id = false;
$poller_interval = read_config_option('poller_interval');
$rrd_update_interval = read_config_option('boost_rrd_update_interval');
$data_ids_to_get = read_config_option('boost_rrd_update_max_records_per_select');
$archive_table = boost_get_arch_table_name();
if ($archive_table === false) {
if ($warning_issued != true) {
cacti_log('Failed to determine archive table', false, 'BOOST');
}
$warning_issued = true;
return 0;
}
}
/* get the records */
if ($single_local_data_id) {
$query_string = '';
$arch_tables = db_fetch_assoc("SELECT table_name AS name
FROM information_schema.tables
WHERE table_schema='$database_default'
AND table_name LIKE 'poller_output_boost_arch_%'
AND table_rows>0;");
if(count($arch_tables)) {
foreach($arch_tables as $table) {
if (strlen($query_string)) {
$query_string .= ' UNION ';
}
$query_string .= ' (SELECT local_data_id, UNIX_TIMESTAMP(time) AS timestamp, rrd_name, output FROM ' . $table['name'] . " WHERE local_data_id='$local_data_id') ";
}
}
if (strlen($query_string)) {
$query_string .= ' UNION ';
}
$timestamp = time();
$query_string .= " (SELECT local_data_id, UNIX_TIMESTAMP(time) AS timestamp, rrd_name, output
FROM poller_output_boost
WHERE local_data_id=$orig_local_data_id
AND time < FROM_UNIXTIME('$timestamp'))";
$query_string .= ' ORDER BY local_data_id ASC, timestamp ASC, rrd_name ASC ';
} else {
$query_string = "SELECT local_data_id, UNIX_TIMESTAMP(time) AS timestamp, rrd_name, output
FROM $archive_table FORCE INDEX (PRIMARY)
ORDER BY local_data_id ASC, time ASC, rrd_name ASC
LIMIT $data_ids_to_get ";
}
boost_timer('get_records', BOOST_TIMER_START);
$results = db_fetch_assoc($query_string);
boost_timer('get_records', BOOST_TIMER_END);
/* log memory */
if ($get_memory) {
$cur_memory = memory_get_usage();
if ($cur_memory > $memory_used) {
$memory_used = $cur_memory;
}
}
if ($single_local_data_id) {
if ($debug) {
$log_verbosity = POLLER_VERBOSITY_DEBUG;
}
cacti_log("NOTE: Updating Local Data ID:'$local_data_id', Total of '" . sizeof($results) . "' Updates to Process", false, 'BOOST', $log_verbosity);
}
if (sizeof($results) > 0) {
$rrdp_auto_close = FALSE;
if(!$rrdtool_pipe) {
$rrdtool_pipe = rrd_init();
$rrdp_auto_close = TRUE;
}
/* create an array keyed off of each .rrd file */
$local_data_id = -1;
$time = -1;
$outbuf = '';
$last_update = -1;
$last_item = array('local_data_id' => -1, 'timestamp' => -1, 'rrd_name' => '');
/* we are going to blow away all record if ok */
$vals_in_buffer = 0;
/* cut last DS (likely to be incomplete due to LIMIT)*/
if (!$single_local_data_id) {
reset($results);
$first_ds = $results[key($results)];
$first_ds = intval($first_ds['local_data_id']);
end($results);
$last_ds = $results[key($results)];
$last_ds = intval($last_ds['local_data_id']);
reset($results);
if ($first_ds == $last_ds) {
if (sizeof($results) == $data_ids_to_get) {
cacti_log("FALURE: Current LIMIT ($data_ids_to_get) is too low to run multiple DS RRD writes, consider raising it", false, 'BOOST');
}
restore_error_handler();
return boost_process_poller_output($first_ds, $rrdtool_pipe);
}
}
boost_timer('results_cycle', BOOST_TIMER_START);
/* go through each poller_output_boost entries and process */
foreach ($results as $item) {
$item['timestamp'] = trim($item['timestamp']);
if ($single_local_data_id && /* duplicate entry, possible when fetching data while rotating poller_output_boost */
$last_item['local_data_id'] == $item['local_data_id'] &&
$last_item['timestamp'] == $item['timestamp'] &&
strcmp($last_item['rrd_name'], $item['rrd_name']) == 0) {
continue;
}
if (!$single_local_data_id && $first_ds != $last_ds && $last_ds == $item['local_data_id']) {
/* we faced last and possibly incomplete DS, bail out */
break;
}
/* if the local_data_id changes, we need to flush the buffer */
if ($local_data_id != $item['local_data_id']) {
/* update the rrd for the previous local_data_id */
if ($vals_in_buffer) {
cacti_log("NOTE: Updating Local Data Id:'$local_data_id', Template:" . $rrd_tmpl . ', Output:' . $outbuf, false, 'BOOST', POLLER_VERBOSITY_MEDIUM);
boost_timer('rrdupdate', BOOST_TIMER_START);
$return_value = boost_rrdtool_function_update($local_data_id, $rrd_path, $rrd_tmpl, $initial_time, $outbuf, $rrdtool_pipe);
boost_timer('rrdupdate', BOOST_TIMER_END);
$outbuf = '';
$vals_in_buffer = 0;
/* check return status for delete operation */
if (strpos(trim($return_value), 'OK') === false) {
cacti_log("WARNING: RRD Update Warning '" . $return_value . "' for Local Data ID '$local_data_id'", false, 'BOOST');
}
}
/* reset the rrd file path and templates, assume non multi output */
boost_timer('rrd_filename_and_template', BOOST_TIMER_START);
$rrd_data = boost_get_rrd_filename_and_template($item['local_data_id']);
$rrd_tmpl = $rrd_data['rrd_template'];
$rrd_path = $rrd_data['rrd_path'];
boost_timer('rrd_filename_and_template', BOOST_TIMER_END);
boost_timer('rrd_lastupdate', BOOST_TIMER_START);
$last_update = boost_rrdtool_get_last_update_time($rrd_path, $rrdtool_pipe);
boost_timer('rrd_lastupdate', BOOST_TIMER_END);
$local_data_id = $item['local_data_id'];
$time = $item['timestamp'];
$initial_time = $time;
$outbuf = ' ' . $time;
$multi_vals_set = false;
}
/* don't generate error messages if the RRD has already been updated */
if ($time <= $last_update){
cacti_log("WARNING: Stale Poller Data Found! Item Time:'" . $time . "', RRD Time:'" . $last_update . "' Ignoring Value!", false, 'BOOST');
$value = 'DNP';
}else{
$value = trim($item['output']);
}
if ($time != $item['timestamp']) {
if (strlen($outbuf) > $upd_string_len) {
cacti_log("NOTE: Updating Local Data Id:'$local_data_id', Template:" . $rrd_tmpl . ', Output:' . $outbuf, false, 'BOOST', POLLER_VERBOSITY_MEDIUM);
boost_timer('rrdupdate', BOOST_TIMER_START);
$return_value = boost_rrdtool_function_update($local_data_id, $rrd_path, $rrd_tmpl, $initial_time, $outbuf, $rrdtool_pipe);
boost_timer('rrdupdate', BOOST_TIMER_END);
$outbuf = '';
$vals_in_buffer = 0;
/* check return status for delete operation */
if (strpos(trim($return_value), 'OK') === false) {
cacti_log("WARNING: RRD Update Warning '" . $return_value . "' for Local Data ID '$local_data_id'", false, 'BOOST');
}
}
$outbuf .= ' ' . $item['timestamp'];
$time = $item['timestamp'];
}
/* single one value output */
if (strcmp($value, 'DNP') == 0) {
/* continue, bad time */
}elseif ((is_numeric($value)) || (strcmp($value, 'U') == 0)) {
$outbuf .= ':' . $value;
$vals_in_buffer++;
}elseif ((function_exists('is_hexadecimal')) && (is_hexadecimal($value))) {
$outbuf .= ':' . hexdec($value);
$vals_in_buffer++;
}elseif (strlen($value)) {
/* break out multiple value output to an array */
$values = explode(' ', $value);
if (!$multi_vals_set) {
$rrd_field_names = array_rekey(db_fetch_assoc_prepared('SELECT
data_template_rrd.data_source_name,
data_input_fields.data_name
FROM (data_template_rrd, data_input_fields)
WHERE data_template_rrd.data_input_field_id = data_input_fields.id
AND data_template_rrd.local_data_id = ?', array($item['local_data_id'])), 'data_name', 'data_source_name');
$rrd_tmpl = '';
}
$first_tmpl = 1;
$multi_ok = false;
for ($i=0; $i<count($values); $i++) {
if (preg_match("/^([a-zA-Z0-9_\.-]+):([eE0-9\+\.-]+)$/", $values[$i], $matches)) {
if (isset($rrd_field_names{$matches[1]})) {
$multi_ok = true;
cacti_log("Parsed MULTI output field '" . $matches[0] . "' [map " . $matches[1] . '->' . $rrd_field_names{$matches[1]} . ']' , false, 'BOOST', POLLER_VERBOSITY_DEBUG);
if (!$multi_vals_set) {
if (!$first_tmpl) $rrd_tmpl .= ':';
$rrd_tmpl .= $rrd_field_names{$matches[1]};
$first_tmpl=0;
}
if (is_numeric($matches[2]) || ($matches[2] == 'U')) {
$outbuf .= ':' . $matches[2];
}elseif ((function_exists('is_hexadecimal')) && (is_hexadecimal($matches[2]))) {
$outbuf .= ':' . hexdec($matches[2]);
}else{
$outbuf .= ':U';
}
}
}
}
/* we only want to process the template and gather the fields once */
$multi_vals_set = true;
if ($multi_ok) {
$vals_in_buffer++;
}
}else{
cacti_log('WARNING: Local Data Id [' . $item['local_data_id'] . '] Contains an empty value', false, 'BOOST');
}
}
/* process the last rrdupdate if applicable */
if ($vals_in_buffer) {
cacti_log("NOTE: Updating Local Data Id:'$local_data_id', Template:" . $rrd_tmpl . ', Output:' . $outbuf, false, 'BOOST', POLLER_VERBOSITY_MEDIUM);
boost_timer('rrdupdate', BOOST_TIMER_START);
$return_value = boost_rrdtool_function_update($local_data_id, $rrd_path, $rrd_tmpl, $initial_time, $outbuf, $rrdtool_pipe);
boost_timer('rrdupdate', BOOST_TIMER_END);
/* check return status for delete operation */
if (strpos(trim($return_value), 'OK') === false) {
cacti_log("WARNING: RRD Update Warning '" . $return_value . "' for Local Data ID '$local_data_id'", false, 'BOOST');
}
}
boost_timer('results_cycle', BOOST_TIMER_END);
/* remove the entries from the table */
boost_timer('delete', BOOST_TIMER_START);
if ($single_local_data_id) {
$tables = db_fetch_assoc("SELECT table_name AS name
FROM information_schema.tables
WHERE table_schema='$database_default'
AND (table_name LIKE 'poller_output_boost_arch_%' OR table_name LIKE 'poller_output_boost')
AND table_rows>0;");
if (count($tables)) {
foreach($tables as $table) {
db_execute_prepared('DELETE FROM ' . $table['name'] . ' WHERE local_data_id = ? AND time < FROM_UNIXTIME(?)', array($local_data_id, $timestamp));
}
}
} else {
db_execute_prepared("DELETE FROM $archive_table WHERE local_data_id BETWEEN ? AND ?", array($first_ds, ($last_ds - 1)));
}
boost_timer('delete', BOOST_TIMER_END);
if($rrdp_auto_close) {
rrd_close($rrdtool_pipe);
}
}
if ($single_local_data_id) {
db_execute("SELECT RELEASE_LOCK('boost.single_ds.$orig_local_data_id')");
}
/* restore original error handler */
restore_error_handler();
return sizeof($results);
}
function boost_rrdtool_get_last_update_time($rrd_path, &$rrdtool_pipe) {
$return_value = 0;
if(read_config_option('storage_location')) {
$file_exists = rrdtool_execute("file_exists $rrd_path" , true, RRDTOOL_OUTPUT_BOOLEAN, $rrdtool_pipe, 'BOOST');
}else {
$file_exists = file_exists($rrd_path);
}
if ($file_exists == true) {
$return_value = rrdtool_execute("last $rrd_path", true, RRDTOOL_OUTPUT_STDOUT, $rrdtool_pipe, 'BOOST');
}
return trim($return_value);
}
function boost_determine_caching_state() {
set_default_action();
/* turn off image caching if viewing thold vrules */
if ((isset($_SESSION['sess_config_array']['thold_draw_vrules'])) &&
($_SESSION['sess_config_array']['thold_draw_vrules'] == 'on')) {
return false;
}
$action = get_request_var('action');
/* turn off image caching for the following actions */
if ($action == 'properties' ||
$action == 'zoom' ||
$action == 'edit' ||
$action == 'graph_edit') {
$cache = false;
}else{
$cache = true;
}
if (!isset($_SESSION['custom'])) {
$custom = false;
}else{
$custom = $_SESSION['custom'];
}
if (($cache) && (!$custom)) {
return true;
}else{
return false;
}
}
/* boost_get_rrd_filename_and_template - pulls
1) the rrd_update template from the database in form of
update decisions for multi-output RRD's
2) rrd filename
@arg $local_data_id - the data source to obtain information from */
function boost_get_rrd_filename_and_template($local_data_id) {
$rrd_path = '';
$rrd_template = '';
$all_nulls = true;
$ds_null = array();
$ds_nnull = array();
$ds_names = db_fetch_assoc_prepared("SELECT data_source_name, rrd_path
FROM data_template_rrd AS dtr
INNER JOIN poller_item AS pi
ON (pi.local_data_id = dtr.local_data_id
AND (pi.rrd_name = dtr.data_source_name OR pi.rrd_name = ''))
WHERE dtr.local_data_id = ?
ORDER BY data_source_name ASC", array($local_data_id));
if (sizeof($ds_names)) {
foreach($ds_names as $ds_name) {
if ($rrd_path == '') {
$rrd_path = $ds_name['rrd_path'];
}
if ($ds_name['rrd_name'] == '') {
$ds_null[] = $ds_name['data_source_name'];
}elseif ($ds_name['rrd_name'] == $ds_name['data_source_name']) {
$ds_nnull[] = $ds_name['data_source_name'];
$all_nulls = false;
}
}
}
if ($all_nulls) {
$rrd_template = implode(':', $ds_null);
}else{
$rrd_template = implode(':', $ds_nnull);
}
return array('rrd_path' => $rrd_path, 'rrd_template' => trim($rrd_template));
}
function boost_rrdtool_function_create($local_data_id, $initial_time, $show_source, &$rrdtool_pipe) {
global $config;
include ($config['include_path'] . '/global_arrays.php');
$data_source_path = get_data_source_path($local_data_id, true);
/* ok, if that passes lets check to make sure an rra does not already
exist, the last thing we want to do is overwrite data! */
if ($show_source != true) {
if(read_config_option('storage_location')) {
$file_exists = rrdtool_execute("file_exists $data_source_path" , true, RRDTOOL_OUTPUT_BOOLEAN, $rrdtool_pipe, 'POLLER');
}else {
$file_exists = file_exists($data_source_path);
}
if ($file_exists == true) {
return -1;
}
}
/* the first thing we must do is make sure there is at least one
rra associated with this data source... *
UPDATE: As of version 0.6.6, we are splitting this up into two
SQL strings because of the multiple DS per RRD support. This is
not a big deal however since this function gets called once per
data source */
$rras = db_fetch_assoc_prepared('SELECT
dtd.rrd_step, dsp.x_files_factor, dspr.steps, dspr.rows,
dspc.consolidation_function_id,
(dspr.rows * dspr.steps) AS rra_order
FROM data_template_data AS dtd
LEFT JOIN data_source_profiles AS dsp
ON dtd.data_source_profile_id=dsp.id
LEFT JOIN data_source_profiles_rra AS dspr
ON dtd.data_source_profile_id=dspr.data_source_profile_id
LEFT JOIN data_source_profiles_cf AS dspc
ON dtd.data_source_profile_id=dspc.data_source_profile_id
WHERE dtd.local_data_id = ?
AND (dspr.steps IS NOT NULL OR dspr.rows IS NOT NULL)
ORDER BY dspc.consolidation_function_id, rra_order', array($local_data_id));
/* if we find that this DS has no RRA associated; get out. This would
* indicate that a data sources has been deleted
*/
if (sizeof($rras) <= 0) {
return false;
}
/* back off the initial time to allow updates */
$initial_time -= 300;
/* create the "--step" line */
$create_ds = RRD_NL . '--start ' . $initial_time . ' --step '. $rras[0]['rrd_step'] . ' ' . RRD_NL;
/* query the data sources to be used in this .rrd file */
$data_sources = db_fetch_assoc_prepared('SELECT
data_template_rrd.id,
data_template_rrd.rrd_heartbeat,
data_template_rrd.rrd_minimum,
data_template_rrd.rrd_maximum,
data_template_rrd.data_source_type_id
FROM data_template_rrd
WHERE data_template_rrd.local_data_id = ?
ORDER BY local_data_template_rrd_id', array($local_data_id));
/* ONLY make a new DS entry if:
- There is multiple data sources and this item is not the main one.
- There is only one data source (then use it) */
if (sizeof($data_sources) > 0) {
foreach ($data_sources as $data_source) {
/* use the cacti ds name by default or the user defined one, if entered */
$data_source_name = get_data_source_item_name($data_source['id']);
if (empty($data_source['rrd_maximum'])) {
/* in case no maximum is given, use "Undef" value */
$data_source['rrd_maximum'] = 'U';
} elseif (strpos($data_source['rrd_maximum'], '|query_') !== false) {
$data_local = db_fetch_row_prepared('SELECT * FROM data_local WHERE id = ?', array($local_data_id));
if ($data_source['rrd_maximum'] == '|query_ifSpeed|' || $data_source['rrd_maximum'] == '|query_ifHighSpeed|') {
$highSpeed = db_fetch_cell_prepared("SELECT field_value
FROM host_snmp_cache
WHERE host_id = ?
AND snmp_query_id = ?
AND snmp_index = ?
AND field_name = 'ifHighSpeed'", array($data_local['host_id'], $data_local['snmp_query_id'], $data_local['snmp_index']));
if (!empty($highSpeed)) {
$data_source['rrd_maximum'] = $highSpeed * 1000000;
}else{
$data_source['rrd_maximum'] = substitute_snmp_query_data('|query_ifSpeed|',$data_local['host_id'], $data_local['snmp_query_id'], $data_local['snmp_index']);
}
}else{
$data_source['rrd_maximum'] = substitute_snmp_query_data($data_source['rrd_maximum'],$data_local['host_id'], $data_local['snmp_query_id'], $data_local['snmp_index']);
}
} elseif (($data_source['rrd_maximum'] != 'U') && (int)$data_source['rrd_maximum']<=(int)$data_source['rrd_minimum']) {
/* max > min required, but take care of an "Undef" value */
$data_source['rrd_maximum'] = (int)$data_source['rrd_minimum']+1;
}
/* min==max==0 won't work with rrdtool */
if ($data_source['rrd_minimum'] == 0 && $data_source['rrd_maximum'] == 0) {
$data_source['rrd_maximum'] = 'U';
}
$create_ds .= "DS:$data_source_name:" . $data_source_types{$data_source['data_source_type_id']} . ':' . $data_source['rrd_heartbeat'] . ':' . $data_source['rrd_minimum'] . ':' . $data_source['rrd_maximum'] . RRD_NL;
}
}
$create_rra = '';
/* loop through each available RRA for this DS */
foreach ($rras as $rra) {
$create_rra .= 'RRA:' . $consolidation_functions{$rra['consolidation_function_id']} . ':' . $rra['x_files_factor'] . ':' . $rra['steps'] . ':' . $rra['rows'] . RRD_NL;
}
/* check for structured path configuration, if in place verify directory
exists and if not create it.
*/
if (read_config_option('extended_paths') == 'on') {
if(read_config_option('storage_location')) {
if( false === rrdtool_execute("is_dir " . dirname($data_source_path), true, RRDTOOL_OUTPUT_BOOLEAN, $rrdtool_pipe, 'BOOST') ) {
if( false === rrdtool_execute("mkdir " . dirname($data_source_path), true, RRDTOOL_OUTPUT_BOOLEAN, $rrdtool_pipe, 'BOOST') ) {
cacti_log("ERROR: Unable to create directory '" . dirname($data_source_path) . "'", FALSE);
}
}
}else {
if (!is_dir(dirname($data_source_path))) {
if (mkdir(dirname($data_source_path), 0775)) {
if ($config['cacti_server_os'] != 'win32') {
$owner_id = fileowner($config['rra_path']);
$group_id = filegroup($config['rra_path']);
if ((chown(dirname($data_source_path), $owner_id)) &&
(chgrp(dirname($data_source_path), $group_id))) {
/* permissions set ok */
}else{
cacti_log("ERROR: Unable to set directory permissions for '" . dirname($data_source_path) . "'", FALSE);
}
}
}else{
cacti_log("ERROR: Unable to create directory '" . dirname($data_source_path) . "'", FALSE);
}
}
}
}
if ($show_source == true) {
return read_config_option('path_rrdtool') . ' create' . RRD_NL . "$data_source_path$create_ds$create_rra";
}else{
return rrdtool_execute("create $data_source_path $create_ds$create_rra", false, RRDTOOL_OUTPUT_STDOUT, $rrdtool_pipe, 'BOOST');
}
}
/* boost_rrdtool_function_update - a re-write of the Cacti rrdtool update command
specifically designed for bulk updates.
@arg $local_data_id - the data source to obtain information from
@arg $rrd_path - the path to the RRD file
@arg $rrd_update_template - the order in which values need to be added
@arg $rrd_update_values - values to include in the database */
function boost_rrdtool_function_update($local_data_id, $rrd_path, $rrd_update_template, $initial_time, &$rrd_update_values, &$rrdtool_pipe) {
/* lets count the number of rrd files processed */
$rrds_processed = 0;
/* let's check for deleted Data Sources */
$valid_entry = true;
/* create the rrd if one does not already exist */
if(read_config_option('storage_location')) {
$file_exists = rrdtool_execute("file_exists $rrd_path" , true, RRDTOOL_OUTPUT_BOOLEAN, $rrdtool_pipe, 'BOOST');
}else{
$file_exists = file_exists($rrd_path);
}
if ($file_exists == false) {
$valid_entry = boost_rrdtool_function_create($local_data_id, $initial_time, false, $rrdtool_pipe);
}
if ($valid_entry) {
rrdtool_execute("update $rrd_path --template $rrd_update_template $rrd_update_values", false, RRDTOOL_OUTPUT_STDOUT, $rrdtool_pipe, 'BOOST');
return 'OK';
}
}
function boost_poller_command_args ($args) {
boost_memory_limit();
return $args;
}
function boost_memory_limit() {
ini_set('memory_limit', read_config_option('boost_poller_mem_limit') . 'M');
}
function boost_poller_bottom () {
global $config;
include_once($config['library_path'] . '/poller.php');
chdir($config['base_path']);
if (read_config_option('boost_rrd_update_enable') == 'on') {
boost_update_snmp_statistics();
$command_string = read_config_option('path_php_binary');
if (read_config_option('path_boost_log') != '') {
if ($config['cacti_server_os'] == 'unix') {
$extra_args = '-q ' . $config['base_path'] . '/poller_boost.php >> ' . read_config_option('path_boost_log') . ' 2>&1';
}else{
$extra_args = '-q ' . $config['base_path'] . '/poller_boost.php >> ' . read_config_option('path_boost_log');
}
}else{
$extra_args = '-q ' . $config['base_path'] . '/poller_boost.php';
}
exec_background($command_string, $extra_args);
}
}
function boost_update_snmp_statistics () {
global $config;
$mc = new MibCache('CACTI-BOOST-MIB');
/* get the boost table status */
$boost_table_status = db_fetch_assoc("SELECT *
FROM INFORMATION_SCHEMA.TABLES
WHERE table_schema=SCHEMA()
AND (table_name LIKE 'poller_output_boost_arch_%' OR table_name LIKE 'poller_output_boost')");
$total_data_sources = db_fetch_cell('SELECT COUNT(*) FROM poller_item');
$pending_records = 0;
$arch_records = 0;
$data_length = 0;
$engine = '';
$max_data_length = 0;
foreach($boost_table_status as $table) {
if ($table['TABLE_NAME'] == 'poller_output_boost') {
$pending_records += $table['TABLE_ROWS'];
} else {
$arch_records += $table['TABLE_ROWS'];
}
$data_length += $table['DATA_LENGTH'];
$data_length -= $table['DATA_FREE'];
$engine = $table['ENGINE'];
$max_data_length = $table['MAX_DATA_LENGTH'];
}
$total_records = $pending_records + $arch_records;
$avg_row_length = ($total_records ? intval($data_length / $total_records) : 0);
if (strcmp($engine, 'MEMORY') == 0) {
$max_length = db_fetch_cell('SELECT MAX(LENGTH(output)) FROM poller_output_boost');
$max_table_allowed = $max_data_length;
$max_table_records = ($avg_row_length ? round($max_data_length/$avg_row_length, 0) : 0);
}else{
$max_length = '0';
$max_table_allowed = '-1';
$max_table_records = '0';
}
$mc->object('boostApplStorageDatabaseEngine')->set( $engine );
$mc->object('boostApplStorageMaxTableSize')->set( $max_table_allowed );
$mc->object('boostApplStorageMaxRecords')->set( $max_table_records );
$mc->object('boostApplLastUpdate')->set( time() );
$mc->object('boostStatsTotalsRecords')->set( $total_records );
$mc->object('boostStatsTotalsRecordsPending')->set( $pending_records );
$mc->object('boostStatsTotalsRecordsArchived')->set( $arch_records );
$mc->object('boostStatsStorageTableSize')->set( $data_length );
$mc->object('boostStatsStorageAverageRecordSize')->set( $avg_row_length );
$mc->object('boostStatsStorageMaxRecordLength')->set( $max_length );
$mc->object('boostStatsTotalsDataSources')->set( $total_data_sources );
$mc->object('boostStatsLastUpdate')->set( time() );
}
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