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slowlog_functions.php
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<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2024 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 get_cacti_tables() {
$databases = db_fetch_assoc('SHOW DATABASES');
$tables = '';
if (cacti_sizeof($databases)) {
foreach($databases as $db) {
if ($db['Database'] == 'information_schema' || $db['Database'] == 'mysql') {
// Skip
} else {
$tables .= (strlen($tables) ? ' ':'') . implode(' ', array_rekey(db_fetch_assoc('SHOW TABLES FROM ' . $db['Database']), 'Tables_in_' . $db['Database'], 'Tables_in_' . $db['Database']));
}
}
}
return $tables;
}
function import_logfile($logfile, $description = 'Imported using import_log utility', $length = 8192, $table_names = '', $usecacti = false, $batch = true) {
global $config;
ini_set('max_execution_time', 0);
if ($table_names == '' && $usecacti) {
$table_names = get_cacti_tables();
}
$logfile = trim($logfile);
if (file_exists($logfile)) {
// suck the log through a straw
$entries = file($logfile);
// denotes that the log beginning has been found
$start = false;
// sql related variables
$records = array();
$sql_prefix = 'INSERT INTO plugin_slowlog_details (logid, date, user, host, ip_address, query_time, lock_time, thread_id, `schema`, qc_hit, rows_sent, rows_examined, rows_affected, bytes_sent, oquery, query) VALUES ';
if (cacti_sizeof($entries)) {
// variables related to each slowlog entry
$date = 0;
$user = '';
$host = '';
$ip = '';
$query = '';
$oquery = '';
$schema = '';
$qc_hit = 0;
$query_time = 0;
$thread_id = 0;
$lock_time = 0;
$rows_sent = 0;
$rows_examined = 0;
$rows_affected = 0;
$bytes_sent = 0;
$start_time = 0;
$curtime = null;
$lines = 0;
foreach($entries as $l) {
if ($start && substr($l, 0, 1) != '#') {
$query_start = true;
}
if (strpos($l, 'SET timestamp=') !== false) {
$parts = explode('=', $l);
$date = date('Y-m-d H:i:s', intval($parts[1]));
} elseif (strpos($l, '# Time:') !== false) {
// we are a good log, let's make an entry
if (!$start) {
$save['logid'] = 0;
$save['description'] = $description;
$save['import_date'] = date('Y-m-d H:i:s');
$save['import_lines'] = 0;
$save['import_tables'] = $table_names;
$save['start_time'] = date('Y-m-d H:i:s');
$save['end_time'] = date('Y-m-d H:i:s');
$logid = sql_save($save, 'plugin_slowlog', 'logid');
if ($logid == 0) {
print "FATAL: Can not import due to error creating parent record in 'plugin_slowlog'\n";
exit -1;
}
$start = true;
} else {
if ($query != '') {
if ($length != -1) {
$query = substr($query, 0, $length);
}
$records[] = '(' .
$logid . ', ' .
db_qstr($date) . ', ' .
db_qstr($user) . ', ' .
db_qstr($host) . ', ' .
db_qstr($ip) . ', ' .
$query_time . ', ' .
$lock_time . ', ' .
$thread_id . ', ' .
db_qstr($schema) . ', ' .
$qc_hit . ', ' .
$rows_sent . ', ' .
$rows_examined . ', ' .
$rows_affected . ', ' .
$bytes_sent . ', ' .
db_qstr($oquery) . ', ' .
db_qstr($query) . ')';
}
}
$query = '';
$oquery = '';
$p1 = explode(' ', $l);
$date = '20' .
substr($p1[2], 0, 2) . '-' .
substr($p1[2], 2, 2) . '-' .
substr($p1[2], 4, 2) .
(isset($p1[3]) ? ' ' . $p1[3]:'');
if ($start_time == 0) {
$start_time = $date;
}
$query_start = false;
} elseif (strpos($l, '# User@Host:') !== false) {
if ($query_start) {
if ($query != '') {
if ($length != -1) {
$query = substr($query, 0, $length);
}
$records[] = '(' .
$logid . ', ' .
db_qstr($date) . ', ' .
db_qstr($user) . ', ' .
db_qstr($host) . ', ' .
db_qstr($ip) . ', ' .
$query_time . ', ' .
$lock_time . ', ' .
$thread_id . ', ' .
db_qstr($schema) . ', ' .
$qc_hit . ', ' .
$rows_sent . ', ' .
$rows_examined . ', ' .
$rows_affected . ', ' .
$bytes_sent . ', ' .
db_qstr($oquery) . ', ' .
db_qstr($query) . ')';
}
$query = '';
$oquery = '';
}
$p1 = explode(':', $l);
$p2 = explode('@', $p1[1]);
$user1 = explode('[', trim($p2[0]));
$user = $user1[0];
$host1 = explode('[', trim($p2[1]));
$host = slowlog_strip_domain(trim($host1[0]));
$ip = str_replace(']', '', trim($host1[1]));
$query_start = false;
} elseif (strpos($l, '# Query_time:') !== false) {
$data = preg_split('/\s+/', $l);
$query_time = $data[2];
$lock_time = $data[4];
$rows_sent = $data[6];
$rows_examined = $data[8];
} elseif (strpos($l, '# Rows_affected:') !== false) {
$data = preg_split('/\s+/', $l);
$rows_affected = $data[2];
$bytes_sent = $data[4];
} elseif (strpos($l, '# Thread_id:') !== false) {
$data = preg_split('/\s+/', $l);
$thread_id = $data[2];
$schema = $data[4];
$qc_hit = $data[6] == 'No' ? 0:1;
} elseif (strpos($l, '# administrator command:') !== false) {
continue;
} elseif ($start) {
if (strpos($l, '/*!32311 LOCAL */') === false) {
$oquery .= $l;
/* Don't add comments to the normalized queries */
if (substr(trim($l), 0, 2) == '--') {
continue;
} else {
$query .= trim($l) . ' ';
}
} else {
$query = '';
$oquery = '';
}
}
if (cacti_sizeof($records) > 1) {
// turn the records array into a string
$sql_data = implode(',', $records);
$lines += sizeof($records);
// insert the records
db_execute($sql_prefix . $sql_data);
// reinitialize the records array
$records = array();
}
}
if ($query != '') {
if ($length != -1) {
$query = substr($query, 0, $length);
}
$records[] = '(' .
$logid . ', ' .
db_qstr($date) . ', ' .
db_qstr($user) . ', ' .
db_qstr($host) . ', ' .
db_qstr($ip) . ', ' .
$query_time . ', ' .
$lock_time . ', ' .
$thread_id . ', ' .
db_qstr($schema) . ', ' .
$qc_hit . ', ' .
$rows_sent . ', ' .
$rows_examined . ', ' .
$rows_affected . ', ' .
$bytes_sent . ', ' .
db_qstr($oquery) . ', ' .
db_qstr($query) . ')';
// turn the records array into a string
$sql_data = implode(',', $records);
$lines += sizeof($records);
// insert the records
db_execute($sql_prefix . $sql_data);
}
$values = db_fetch_row_prepared('SELECT COUNT(*) AS import_lines, MIN(date) AS start_time, MAX(date) AS end_time
FROM plugin_slowlog_details
WHERE logid = ?',
array($logid));
// update statistics
if (cacti_sizeof($values)) {
db_execute_prepared('UPDATE plugin_slowlog
SET import_lines = ?,
import_status = 1,
start_time = ?,
end_time = ?
WHERE logid = ?',
array($values['import_lines'], $values['start_time'], $values['end_time'], $logid));
}
}
if ($batch) {
raise_message('import_pre', __('The initial Slowlog has been ingested. Post Processing will take place in the background. You can start analyzing the Details once the status is complete', 'slowlog'), MESSAGE_LEVEL_INFO);
$php = cacti_escapeshellcmd(read_config_option('path_php_binary'));
exec_background($php, $config['base_path'] . "/plugins/slowlog/import_log.php --logid=$logid" . ($usecacti ? ' --usecacti':''));
db_execute_prepared('UPDATE plugin_slowlog
SET import_text_status = ?
WHERE logid = ?',
array('Post Processing with Table Detection', $logid));
} else {
import_post_process($logid, $table_names);
}
} else {
print "FATAL: Can not find file '$logfile'\n";
exit -1;
}
}
function load_reserved_words() {
global $reserved_words;
$reserved_words = array_rekey(db_fetch_assoc('SELECT word FROM plugin_slowlog_reserved_words'), 'word', 'word');
}
function is_reserved_word($token) {
global $reserved_words;
// Cleanup the token
$token = trim(strtoupper($token), '();');
//slowlog_debug("Pre Token: " . $token);
if (strpos($token, '=') !== false) {
$parts = explode('=', $token);
$token = trim($parts[0]);
} elseif (strpos($token, '(') !== false) {
$parts = explode('(', $token);
$token = trim($parts[0]);
}
// slowlog_debug("Post Token: " . $token);
if (isset($reserved_words[$token])) {
slowlog_debug("Reserved Word: " . $token);
return true;
} else {
return false;
}
}
function import_post_process($logid, $table_names = '', $usecacti = false) {
$records = db_fetch_cell_prepared('SELECT COUNT(*)
FROM plugin_slowlog_details
WHERE logid = ?',
array($logid));
if ($records > 0) {
$start = microtime(true);
// perform fairly fast
$methods = db_fetch_assoc('SELECT *
FROM plugin_slowlog_methods
ORDER BY method');
foreach($methods as $row) {
if ($row['method'] != 'OTHERS') {
$queries = explode(',', $row['query']);
foreach($queries as $q) {
db_execute_prepared("INSERT INTO plugin_slowlog_details_methods
(logid, logentry, methodid)
SELECT '$logid' AS logid, logentry, '" . $row['methodid'] . "' AS methodid
FROM plugin_slowlog_details
WHERE logid = ?
AND query LIKE ?",
array($logid, '%' . $q . '%'));
}
} else {
$sql_where = 'WHERE logid = ?';
$sql_params = array();
$sql_params[] = $logid;
foreach($methods as $method) {
$queries = explode(',', $method['query']);
foreach($queries as $q) {
$sql_where .= ' AND query NOT LIKE ?';
$sql_params[] = '%' . $q . '%';
}
}
db_execute_prepared("INSERT INTO plugin_slowlog_details_methods
(logid, logentry, methodid)
SELECT '$logid' AS logid, logentry, " . $row['methodid'] . " AS methodid
FROM plugin_slowlog_details
$sql_where",
$sql_params);
}
}
$end = microtime(true);
cacti_log(sprintf('STATS: Time:%0.2f, Pre-Processing for Methods Complete for %s', $end-$start, $logid), false, 'SLOWLOG');
$start = microtime(true);
// perform table name analysis
$tables = array();
if ($table_names != '') {
$tables = explode(' ', trim($table_names));
} elseif ($usecacti) {
$tables = explode(' ', db_fetch_cell_prepared('SELECT import_tables FROM plugin_slowlog WHERE logid = ?', array($logid)));
} else {
get_table_associations($logid);
}
$total_tables = cacti_sizeof($tables);
$i = 0;
if ($total_tables > 0) {
foreach($tables as $t) {
db_execute("INSERT INTO plugin_slowlog_tables (logid, table_name) VALUES ($logid, '$t')");
db_execute("INSERT INTO plugin_slowlog_details_tables (logid, logentry, table_name)
SELECT '$logid' AS logid, logentry, '$t' AS table_name
FROM plugin_slowlog_details
WHERE logid=$logid
AND (query LIKE '%FROM $t %'
OR query LIKE '%FROM ($t,%'
OR query LIKE '%FROM (%,$t)%'
OR query LIKE '%JOIN $t %'
OR query LIKE '%`$t`%'
OR query LIKE '%UPDATE $t %'
OR query LIKE '%INTO $t %'
OR query LIKE '%FROM $t')");
if ($i % 20 == 0) {
db_execute_prepared('UPDATE plugin_slowlog
SET import_text_status = ?
WHERE logid = ?',
array("$i / $total_tables Tables Processed", $logid));
}
$i++;
}
}
}
db_execute_prepared('UPDATE plugin_slowlog
SET import_text_status = ?,
import_status = 2
WHERE logid = ?',
array("All Tables Processed", $logid));
$end = microtime(true);
cacti_log(sprintf('STATS: Time:%0.2f, Post-Processing for Tables Complete for %s', $end-$start, $logid), false, 'SLOWLOG');
}
function slowlog_tabs() {
global $config;
/* present a tabbed interface */
$tabs = array(
'select' => 'Summary',
'methods' => 'By Method',
'tables' => 'By Table',
'details' => 'Details');
if (isset($_REQUEST['logentry'])) {
$tabs = array_merge($tabs, array('query' => 'Query'));
}
/* set the default tab */
$current_tab = $_REQUEST['action'];
if ($current_tab == 'select') {
unset($_REQUEST['logid']);
}
/* draw the tabs */
print '<div class="tabs"><nav><ul>';
if (cacti_sizeof($tabs)) {
foreach (array_keys($tabs) as $tab_short_name) {
print '<li><a ' . (($tab_short_name == $current_tab) ? "class='selected pic'" : "class='pic'") . " href='" . html_escape($config['url_path'] .
'plugins/slowlog/slowlog.php' .
'?action=' . $tab_short_name .
(isset($_REQUEST['logid']) ? '&logid=' . $_REQUEST['logid']:'') .
(isset($_REQUEST['logentry']) ? '&logentry=' . $_REQUEST['logentry']:'')) .
"'>" . $tabs[$tab_short_name] . '</a></li>';
if (!isset($_REQUEST['logid'])) {
break;
}
}
}
print '</ul></nav></div>';
}
function get_table_associations($logid, $logentry = -1) {
load_reserved_words();
$sql = array();
$sql_prefix = 'INSERT INTO plugin_slowlog_details_tables (logid, logentry, table_name) VALUES ';
$sql_suffix = 'ON DUPLICATE KEY UPDATE table_name=VALUES(table_name)';
if ($logentry == -1) {
$rows = db_fetch_assoc_prepared('SELECT *
FROM plugin_slowlog_details
WHERE logid = ?',
array($logid));
} else {
$rows = db_fetch_assoc_prepared('SELECT *
FROM plugin_slowlog_details
WHERE logid = ? AND logentry = ?',
array($logid, $logentry));
}
foreach($rows as $row) {
$tokens = preg_split('/\s+/', $row['query']);
$query = $row['query'];
slowlog_debug('--------------------------------------------------------------------');
slowlog_debug(substr($row['query'],0,4000));
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_having = false;
$in_limit = false;
$in_order = false;
$in_groupby = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
$table_mod = false;
$tables = array();
foreach($tokens as $index => $t) {
$t = trim(strtolower($t));
$bparen = false;
$eparen = false;
if (substr($t, 0, 1) == '(') {
$bparen = true;
//slowlog_debug('Bparen: ' . $t);
} elseif (substr($t, 0, 1) == ')') {
$eparen = true;
}
$t = trim($t, ')(');
if ($t == '') {
continue;
}
//slowlog_debug('Token: ' . $t);
switch($t) {
case 'delete':
slowlog_debug('In DELETE');
$in_delete = true;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_limit = false;
$in_order = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'show':
slowlog_debug('In SHOW');
$in_delete = false;
$in_show = true;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_limit = false;
$in_order = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'select':
slowlog_debug('In SELECT');
$in_delete = false;
$in_show = false;
$in_select = true;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_limit = false;
$in_order = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'from':
if (!$in_select && !$in_as && !$in_delete && !$in_show) {
break;
}
slowlog_debug('In FROM');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = true;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_limit = false;
$in_order = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'as':
//slowlog_debug('In AS');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = true;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_limit = false;
$in_order = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'join':
case 'strait_join':
slowlog_debug('In JOIN');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = true;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_order = false;
$in_limit = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'on':
slowlog_debug('In ON');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = true;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_order = false;
$in_limit = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
if (strtolower($tokens[$index + 1]) == 'duplicate') {
break 2;
}
break;
case 'using':
slowlog_debug('In USING');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = true;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_order = false;
$in_limit = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'where':
slowlog_debug('In WHERE');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = true;
$in_groupby = false;
$in_having = false;
$in_order = false;
$in_limit = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'group':
slowlog_debug('In GROUP');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = true;
$in_having = false;
$in_order = false;
$in_limit = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'having':
slowlog_debug('In HAVING');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = true;
$in_order = false;
$in_limit = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'order':
slowlog_debug('In ORDER');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_order = true;
$in_limit = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'limit':
slowlog_debug('In LIMIT');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_order = false;
$in_limit = true;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = false;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'insert':
slowlog_debug('In INSERT');
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_order = false;
$in_limit = false;
$in_update = false;
$in_table = false;
$in_modify = false;
$in_change = false;
$in_set = false;
$in_insert = true;
$in_into = false;
$in_values = false;
$in_truncate = false;
$in_with = false;
break;
case 'into':
slowlog_debug('In INTO');
$in_delete = false;
$in_show = false;
$in_select = false;
$in_from = false;
$in_as = false;
$in_join = false;
$in_on = false;
$in_using = false;
$in_where = false;
$in_groupby = false;
$in_having = false;
$in_order = false;
$in_limit = false;
$in_update = false;
$in_table = false;