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<?php |
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/** |
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* Elgg garbage collector. |
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* |
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* @package ElggGarbageCollector |
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*/ |
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/** |
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* Garbage collection init |
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* |
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* @return void |
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*/ |
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function garbagecollector_init() { |
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$period = elgg_get_plugin_setting('period', 'garbagecollector'); |
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switch ($period) { |
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case 'weekly': |
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31 |
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case 'monthly': |
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case 'yearly': |
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break; |
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default: |
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$period = 'monthly'; |
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} |
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// Register cron hook |
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elgg_register_plugin_hook_handler('cron', $period, 'garbagecollector_cron'); |
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} |
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/** |
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* Cron job |
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* |
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* @param string $hook 'cron' |
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* @param string $type interval |
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* @param mixed $returnvalue current return value |
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* @param array $params supplied params |
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* |
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* @return void |
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*/ |
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function garbagecollector_cron($hook, $type, $returnvalue, $params) { |
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echo elgg_echo('garbagecollector') . "\n"; |
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// Now, because we are nice, trigger a plugin hook to let other plugins do some GC |
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$rv = true; |
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$period = elgg_get_plugin_setting('period', 'garbagecollector'); |
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elgg_trigger_plugin_hook('gc', 'system', ['period' => $period]); |
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// Now we optimize all tables |
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$tables = garbagecollector_get_tables(); |
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foreach ($tables as $table) { |
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echo elgg_echo('garbagecollector:optimize', [$table]); |
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if (garbagecollector_optimize_table($table) !== false) { |
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echo elgg_echo('ok'); |
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} else { |
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echo elgg_echo('error'); |
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} |
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echo "\n"; |
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} |
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echo elgg_echo('garbagecollector:done'); |
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} |
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/** |
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* Get array of table names |
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* |
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* @return array |
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*/ |
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function garbagecollector_get_tables() { |
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static $tables; |
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if (isset($tables)) { |
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return $tables; |
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} |
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$table_prefix = elgg_get_config('dbprefix'); |
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$result = get_data("SHOW TABLES LIKE '$table_prefix%'"); |
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$tables = []; |
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if (is_array($result) && !empty($result)) { |
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foreach ($result as $row) { |
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$row = (array) $row; |
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if (is_array($row) && !empty($row)) { |
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foreach ($row as $element) { |
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$tables[] = $element; |
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} |
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} |
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} |
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} |
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return $tables; |
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} |
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/** |
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* Optimize a table |
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* |
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* @param string $table Database table name |
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* @return bool |
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*/ |
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function garbagecollector_optimize_table($table) { |
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$table = sanitise_string($table); |
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return update_data("OPTIMIZE TABLE $table"); |
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} |
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return function() { |
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elgg_register_event_handler('init', 'system', 'garbagecollector_init'); |
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}; |
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Elgg /
Elgg
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