function thold_poller_output($rrd_update_array)
{
global $config, $debug;
include_once $config['base_path'] . '/plugins/thold/thold_functions.php';
include_once $config['library_path'] . '/snmp.php';
$rrd_reindexed = array();
$rrd_time_reindexed = array();
$rra_ids = '';
$x = 0;
foreach ($rrd_update_array as $item) {
if (isset($item['times'][key($item['times'])])) {
if ($x) {
$rra_ids .= ',';
}
$rra_ids .= $item['local_data_id'];
$rrd_reindexed[$item['local_data_id']] = $item['times'][key($item['times'])];
$rrd_time_reindexed[$item['local_data_id']] = key($item['times']);
$x++;
}
}
if ($rra_ids != '') {
$thold_items = db_fetch_assoc("SELECT thold_data.id, thold_data.name AS thold_name, thold_data.graph_id,\r\n\t\t\tthold_data.percent_ds, thold_data.expression,\r\n\t\t\tthold_data.data_type, thold_data.cdef, thold_data.rra_id,\r\n\t\t\tthold_data.data_id, thold_data.lastread,\r\n\t\t\tUNIX_TIMESTAMP(thold_data.lasttime) AS lasttime, thold_data.oldvalue,\r\n\t\t\tdata_template_rrd.data_source_name as name,\r\n\t\t\tdata_template_rrd.data_source_type_id, data_template_data.rrd_step,\r\n\t\t\tdata_template_rrd.rrd_maximum\r\n\t\t\tFROM thold_data\r\n\t\t\tLEFT JOIN data_template_rrd\r\n\t\t\tON (data_template_rrd.id = thold_data.data_id)\r\n\t\t\tLEFT JOIN data_template_data\r\n\t\t\tON ( data_template_data.local_data_id = thold_data.rra_id )\r\n\t\t\tWHERE data_template_rrd.data_source_name!=''\r\n\t\t\tAND thold_data.rra_id IN({$rra_ids})", false);
} else {
return $rrd_update_array;
}
if (sizeof($thold_items)) {
foreach ($thold_items as $t_item) {
thold_debug("Checking Threshold:'" . $t_item["thold_name"] . "', Graph:'" . $t_item["graph_id"] . "'");
$item = array();
$currenttime = 0;
$currentval = thold_get_currentval($t_item, $rrd_reindexed, $rrd_time_reindexed, $item, $currenttime);
switch ($t_item['data_type']) {
case 0:
break;
case 1:
if ($t_item['cdef'] != 0) {
$currentval = thold_build_cdef($t_item['cdef'], $currentval, $t_item['rra_id'], $t_item['data_id']);
}
break;
case 2:
if ($t_item['percent_ds'] != '') {
$currentval = thold_calculate_percent($t_item, $currentval, $rrd_reindexed);
}
break;
case 3:
if ($t_item['expression'] != '') {
$currentval = thold_calculate_expression($t_item, $currentval, $rrd_reindexed, $rrd_time_reindexed);
}
break;
}
if (is_numeric($currentval)) {
$currentval = round($currentval, 4);
} else {
$currentval = '';
}
db_execute("UPDATE thold_data SET tcheck=1, lastread='{$currentval}',\r\n\t\t\tlasttime='" . date("Y-m-d H:i:s", $currenttime) . "',\r\n\t\t\toldvalue='" . $item[$t_item['name']] . "'\r\n\t\t\tWHERE rra_id = " . $t_item['rra_id'] . "\r\n\t\t\tAND data_id = " . $t_item['data_id']);
}
}
return $rrd_update_array;
}
$sql_query = "SELECT tdd.id, tdd.rrd_reindexed, tdd.rrd_time_reindexed, \n\ttd.id AS thold_id td.name AS thold_name, td.local_graph_id,\n\ttd.percent_ds, td.expression, td.data_type, td.cdef, td.local_data_id,\n\ttd.data_template_rrd_id, td.lastread,\n\tUNIX_TIMESTAMP(td.lasttime) AS lasttime, td.oldvalue,\n\tdtr.data_source_name as name, dtr.data_source_type_id, \n\tdtd.rrd_step, dtr.rrd_maximum\n\tFROM plugin_thold_daemon_data AS tdd\n\tINNER JOIN thold_data AS td\n\tON td.id = tdd.id\n\tLEFT JOIN data_template_rrd AS dtr\n\tON dtr.id = td.data_template_rrd_id\n\tLEFT JOIN data_template_data AS dtd\n\tON dtd.local_data_id = td.local_data_id\n\tWHERE tdd.pid = '{$pid}'\n\tAND dtr.data_source_name!=''";
$tholds = db_fetch_assoc($sql_query, false);
if (sizeof($tholds)) {
/* hold data of all CDEFs in memory to reduce the number of SQL queries to minimum */
$cdefs = array();
$cdefs_tmp = db_fetch_assoc('SELECT cdef_id, sequence, type, value FROM cdef_items ORDER BY cdef_id, sequence');
if ($cdefs_tmp & sizeof($cdefs_tmp) > 0) {
foreach ($cdefs_tmp as $cdef_tmp) {
$cdefs[$cdef_tmp['cdef_id']][] = $cdef_tmp;
}
}
unset($cdefs_tmp);
$rrd_reindexed = array();
$rrd_time_reindexed = array();
foreach ($tholds as $thold_data) {
thold_debug("Checking Threshold Name: '" . $thold_data['thold_name'] . "', Graph: '" . $thold_data['local_graph_id'] . "'");
$item = array();
$rrd_reindexed[$thold_data['local_data_id']] = unserialize($thold_data['thold_server_rrd_reindexed']);
$rrd_time_reindexed[$thold_data['local_data_id']] = $thold_data['thold_server_rrd_time_reindexed'];
$currenttime = 0;
$currentval = thold_get_currentval($thold_data, $rrd_reindexed, $rrd_time_reindexed, $item, $currenttime);
switch ($thold_data['data_type']) {
case 0:
break;
case 1:
if ($thold_data['cdef'] != 0) {
$currentval = thold_build_cdef($cdefs[$thold_data['cdef']], $currentval, $thold_data['local_data_id'], $thold_data['data_template_rrd_id']);
}
break;
case 2:
if ($thold_data['percent_ds'] != '') {
function exec_script($command)
{
global $debug;
cacti_log('THOLD ALERT COMMAND: ' . $command, false, 'SYSTEM');
$command_output = array();
$command_return = 999;
if ($command == '') {
thold_debug('DEBUG: thold exec_script: no command defined, do nothing');
return;
}
exec($command, $command_output, $command_return);
thold_debug('DEBUG: thold exec_script: command ==>' . $command, true, 'POLLER');
foreach ($command_output as $key => $value) {
thold_debug('DEBUG: thold exec_script: command output ==> ' . $key . ' = ' . $value, true, 'POLLER');
}
thold_debug('DEBUG: thold exec_script: command return value ==> ' . $command_return, true, 'POLLER');
}
function thold_mail($to, $from, $subject, $message, $filename, $headers = '')
{
global $config;
thold_debug('Preparing to send email');
include_once $config['base_path'] . '/plugins/settings/include/mailer.php';
include_once $config['base_path'] . '/plugins/thold/setup.php';
$subject = trim($subject);
$message = str_replace('<SUBJECT>', $subject, $message);
$how = read_config_option('settings_how');
if ($how < 0 && $how > 2) {
$how = 0;
}
if ($how == 0) {
$Mailer = new Mailer(array('Type' => 'PHP'));
} else {
if ($how == 1) {
$sendmail = read_config_option('settings_sendmail_path');
$Mailer = new Mailer(array('Type' => 'DirectInject', 'DirectInject_Path' => $sendmail));
} else {
if ($how == 2) {
$smtp_host = read_config_option('settings_smtp_host');
$smtp_port = read_config_option('settings_smtp_port');
$smtp_username = read_config_option('settings_smtp_username');
$smtp_password = read_config_option('settings_smtp_password');
$Mailer = new Mailer(array('Type' => 'SMTP', 'SMTP_Host' => $smtp_host, 'SMTP_Port' => $smtp_port, 'SMTP_Username' => $smtp_username, 'SMTP_Password' => $smtp_password));
}
}
}
if ($from == '') {
$from = read_config_option('thold_from_email');
$fromname = read_config_option('thold_from_name');
if ($from == '') {
if (isset($_SERVER['HOSTNAME'])) {
$from = 'Cacti@' . $_SERVER['HOSTNAME'];
} else {
$from = 'Cacti@localhost';
}
}
if ($fromname == '') {
$fromname = 'Cacti';
}
$from = $Mailer->email_format($fromname, $from);
if ($Mailer->header_set('From', $from) === false) {
print 'ERROR: ' . $Mailer->error() . "\n";
return $Mailer->error();
}
} else {
$from = $Mailer->email_format('Cacti', $from);
if ($Mailer->header_set('From', $from) === false) {
print 'ERROR: ' . $Mailer->error() . "\n";
return $Mailer->error();
}
}
if ($to == '') {
return 'Mailer Error: No <b>TO</b> address set!!<br>If using the <i>Test Mail</i> link, please set the <b>Alert e-mail</b> setting.';
}
$to = explode(',', $to);
foreach ($to as $t) {
if (trim($t) != '' && !$Mailer->header_set('To', $t)) {
print 'ERROR: ' . $Mailer->error() . "\n";
return $Mailer->error();
}
}
$wordwrap = read_config_option('settings_wordwrap');
if ($wordwrap == '') {
$wordwrap = 76;
}
if ($wordwrap > 9999) {
$wordwrap = 9999;
}
if ($wordwrap < 0) {
$wordwrap = 76;
}
$Mailer->Config['Mail']['WordWrap'] = $wordwrap;
if (!$Mailer->header_set('Subject', $subject)) {
print 'ERROR: ' . $Mailer->error() . "\n";
return $Mailer->error();
}
if (is_array($filename) && !empty($filename) && strstr($message, '<GRAPH>') !== 0) {
foreach ($filename as $val) {
$graph_data_array = array('output_flag' => RRDTOOL_OUTPUT_STDOUT);
if (function_exists('imagecreatefrompng') && function_exists('imagejpeg')) {
$data = @png2jpeg(rrdtool_function_graph($val['local_graph_id'], $val['rra_id'], $graph_data_array));
$ext = 'jpg';
} else {
$data = @rrdtool_function_graph($val['local_graph_id'], $val['rra_id'], $graph_data_array);
$ext = 'png';
}
if ($data != '') {
$cid = $Mailer->content_id();
if ($Mailer->attach($data, $val['filename'] . ".{$ext}", "image/{$ext}", 'inline', $cid) == false) {
print 'ERROR: ' . $Mailer->error() . "\n";
return $Mailer->error();
}
$message = str_replace('<GRAPH>', "<br><br><img src='cid:{$cid}'>", $message);
} else {
$message = str_replace('<GRAPH>', "<br><img src='" . $val['file'] . "'><br>Could not open!<br>" . $val['file'], $message);
}
}
}
$text = array('text' => '', 'html' => '');
if ($filename == '') {
$message = str_replace('<br>', "\n", $message);
$message = str_replace('<BR>', "\n", $message);
$message = str_replace('</BR>', "\n", $message);
$text['text'] = strip_tags($message);
} else {
$text['html'] = $message . '<br>';
$text['text'] = strip_tags(str_replace('<br>', "\n", $message));
}
$v = thold_version();
$Mailer->header_set('X-Mailer', 'Cacti-Thold-v' . $v['version']);
$Mailer->header_set('User-Agent', 'Cacti-Thold-v' . $v['version']);
if (read_config_option('thold_email_prio') == 'on') {
$Mailer->header_set('X-Priority', '1');
}
thold_debug("Sending email to '" . trim(implode(',', $to), ',') . "'");
if ($Mailer->send($text) == false) {
print 'ERROR: ' . $Mailer->error() . "\n";
return $Mailer->error();
}
return '';
}
function thold_poller_output(&$rrd_update_array)
{
global $config, $debug;
include_once $config['base_path'] . '/plugins/thold/thold_functions.php';
include_once $config['library_path'] . '/snmp.php';
$rrd_reindexed = array();
$rrd_time_reindexed = array();
$local_data_ids = '';
$x = 0;
foreach ($rrd_update_array as $item) {
if (isset($item['times'][key($item['times'])])) {
if ($x) {
$local_data_ids .= ',';
}
$local_data_ids .= $item['local_data_id'];
$rrd_reindexed[$item['local_data_id']] = $item['times'][key($item['times'])];
$rrd_time_reindexed[$item['local_data_id']] = key($item['times']);
$x++;
}
}
if ($local_data_ids != '') {
if (read_config_option('thold_daemon_enable')) {
/* assign a new process id */
$thold_pid = time() . '_' . rand();
$thold_items = db_fetch_assoc("SELECT id, local_data_id FROM thold_data WHERE thold_daemon_pid = '' AND thold_data.local_data_id IN ({$local_data_ids})");
if ($thold_items) {
/* avoid that concurrent processes will work on the same thold items */
db_execute("UPDATE thold_data SET thold_data.thold_daemon_pid = '{$thold_pid}' WHERE thold_daemon_pid = '' AND thold_data.local_data_id IN ({$local_data_ids});");
/* cache required polling data. prefer bulk inserts for performance reasons - start with chunks of 1000 items*/
$sql_max_inserts = 1000;
$thold_items = array_chunk($thold_items, $sql_max_inserts);
$sql_insert = 'INSERT INTO `plugin_thold_daemon_data` ( id, pid, rrd_reindexed, rrd_time_reindexed ) VALUES ';
$sql_values = '';
foreach ($thold_items as $packet) {
foreach ($packet as $thold_item) {
$sql_values .= "('" . $thold_item['id'] . "','" . $thold_pid . "','" . serialize($rrd_reindexed[$thold_item['local_data_id']]) . "','" . $rrd_time_reindexed[$thold_item['local_data_id']] . "'),";
}
db_execute($sql_insert . substr($sql_values, 0, -1));
$sql_values = '';
}
/* queue a new thold process */
db_execute("INSERT INTO `plugin_thold_daemon_processes` ( pid ) VALUES('{$thold_pid}')");
}
return $rrd_update_array;
}
/* hold data of all CDEFs in memory to reduce the number of SQL queries to minimum */
$cdefs = array();
$cdefs_tmp = db_fetch_assoc('SELECT cdef_id, sequence, type, value FROM cdef_items ORDER BY cdef_id, sequence');
if ($cdefs_tmp & sizeof($cdefs_tmp) > 0) {
foreach ($cdefs_tmp as $cdef_tmp) {
$cdefs[$cdef_tmp['cdef_id']][] = $cdef_tmp;
}
}
unset($cdefs_tmp);
$tholds = db_fetch_assoc("SELECT td.id, \n\t\t\ttd.name AS thold_name, td.local_graph_id,\n\t\t\ttd.percent_ds, td.expression,\n\t\t\ttd.data_type, td.cdef, td.local_data_id,\n\t\t\ttd.data_template_rrd_id, td.lastread,\n\t\t\tUNIX_TIMESTAMP(td.lasttime) AS lasttime, td.oldvalue,\n\t\t\tdtr.data_source_name as name,\n\t\t\tdtr.data_source_type_id, dtd.rrd_step,\n\t\t\tdtr.rrd_maximum\n\t\t\tFROM thold_data AS td\n\t\t\tLEFT JOIN data_template_rrd AS dtr\n\t\t\tON (dtr.id = td.data_template_rrd_id)\n\t\t\tLEFT JOIN data_template_data AS dtd\n\t\t\tON dtd.local_data_id = td.local_data_id\n\t\t\tWHERE dtr.data_source_name!=''\n\t\t\tAND td.local_data_id IN({$local_data_ids})", false);
} else {
return $rrd_update_array;
}
if (sizeof($tholds)) {
foreach ($tholds as $thold_data) {
thold_debug("Checking Threshold: Name: '" . $thold_data['thold_name'] . "', Graph: '" . $thold_data['local_graph_id'] . "'");
$item = array();
$currenttime = 0;
$currentval = thold_get_currentval($thold_data, $rrd_reindexed, $rrd_time_reindexed, $item, $currenttime);
switch ($thold_data['data_type']) {
case 0:
break;
case 1:
if ($thold_data['cdef'] != 0) {
$currentval = thold_build_cdef($cdefs[$thold_data['cdef']], $currentval, $thold_data['local_data_id'], $thold_data['data_template_rrd_id']);
}
break;
case 2:
if ($thold_data['percent_ds'] != '') {
$currentval = thold_calculate_percent($thold_data, $currentval, $rrd_reindexed);
}
break;
case 3:
if ($thold_data['expression'] != '') {
$currentval = thold_calculate_expression($thold_data, $currentval, $rrd_reindexed, $rrd_time_reindexed);
}
break;
}
if (is_numeric($currentval)) {
$currentval = round($currentval, 4);
} else {
$currentval = '';
}
db_execute("UPDATE thold_data SET tcheck=1, lastread='{$currentval}',\n\t\t\t\tlasttime='" . date('Y-m-d H:i:s', $currenttime) . "',\n\t\t\t\toldvalue='" . (isset($item[$thold_data['name']]) ? $item[$thold_data['name']] : '') . "'\n\t\t\t\tWHERE local_data_id = " . $thold_data['local_data_id'] . "\n\t\t\t\tAND data_template_rrd_id = " . $thold_data['data_template_rrd_id']);
}
}
return $rrd_update_array;
}
function thold_mail($to_email, $from_email, $subject, $message, $filename, $headers = '')
{
thold_debug('Preparing to send email');
$subject = trim($subject);
$message = str_replace('<SUBJECT>', $subject, $message);
if ($from_email == '') {
$from_email = read_config_option('thold_from_email');
$from_name = read_config_option('thold_from_name');
if ($from_email == '') {
if (isset($_SERVER['HOSTNAME'])) {
$from_email = 'Cacti@' . $_SERVER['HOSTNAME'];
} else {
$from_email = 'Cacti@localhost';
}
}
if ($from_name == '') {
$from_name = 'Cacti';
}
}
if ($to_email == '') {
return __('Mailer Error: No <b>TO</b> address set!!<br>If using the <i>Test Mail</i> link, please set the <b>Alert e-mail</b> setting.');
}
$attachments = array();
if (is_array($filename) && !empty($filename) && strstr($message, '<GRAPH>') !== 0) {
foreach ($filename as $val) {
$graph_data_array = array('graph_start' => time() - 86400, 'graph_end' => time(), 'image_format' => 'png', 'graph_theme' => 'modern', 'output_flag' => RRDTOOL_OUTPUT_STDOUT, 'disable_cache' => true);
$attachments[] = array('attachment' => @rrdtool_function_graph($val['local_graph_id'], '', $graph_data_array, ''), 'filename' => 'graph_' . $val['local_graph_id'] . '.png', 'mime_type' => 'image/png', 'local_graph_id' => $val['local_graph_id'], 'local_data_id' => $val['local_data_id'], 'inline' => 'inline');
}
}
$text = array('text' => '', 'html' => '');
if ($filename == '') {
$message = str_replace('<br>', "\n", $message);
$message = str_replace('<BR>', "\n", $message);
$message = str_replace('</BR>', "\n", $message);
$text['text'] = strip_tags($message);
} else {
$text['html'] = $message . '<br>';
$text['text'] = strip_tags(str_replace('<br>', "\n", $message));
}
$version = db_fetch_cell("SELECT version \n\t\tFROM plugin_config \n\t\tWHERE name='thold'");
$headers['X-Mailer'] = 'Cacti-Thold-v' . $version;
$headers['User-Agent'] = 'Cacti-Thold-v' . $version;
if (read_config_option('thold_email_prio') == 'on') {
$headers['X-Priority'] = '1';
}
thold_debug("Sending email to '" . trim($to_email, ', ') . "'");
$error = mailer(array($from_email, $from_name), $to_email, '', '', '', $subject, $text['html'], $text['text'], $attachments, $headers);
if (strlen($error)) {
cacti_log('ERROR: Sending Email Failed. Error was ' . $error, true, 'THOLD');
return $error;
}
return '';
}