/**
* Table Definition for session
*
- * StatusNet - a distributed open-source microblogging tool
+ * StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
$session = Session::staticGet('id', $id);
if (empty($session)) {
+ self::logdeb("Couldn't find '$id'");
return '';
} else {
+ self::logdeb("Found '$id', returning " .
+ strlen($session->session_data) .
+ " chars of data");
return (string)$session->session_data;
}
}
$session = Session::staticGet('id', $id);
if (empty($session)) {
+ self::logdeb("'$id' doesn't yet exist; inserting.");
$session = new Session();
$session->id = $id;
$session->session_data = $session_data;
$session->created = common_sql_now();
- return $session->insert();
+ $result = $session->insert();
+
+ if (!$result) {
+ common_log_db_error($session, 'INSERT', __FILE__);
+ self::logdeb("Failed to insert '$id'.");
+ } else {
+ self::logdeb("Successfully inserted '$id' (result = $result).");
+ }
+ return $result;
} else {
- $session->session_data = $session_data;
+ self::logdeb("'$id' already exists; updating.");
+ if (strcmp($session->session_data, $session_data) == 0) {
+ self::logdeb("Not writing session '$id'; unchanged");
+ return true;
+ } else {
+ self::logdeb("Session '$id' data changed; updating");
+
+ $orig = clone($session);
+
+ $session->session_data = $session_data;
- return $session->update();
+ $result = $session->update($orig);
+
+ if (!$result) {
+ common_log_db_error($session, 'UPDATE', __FILE__);
+ self::logdeb("Failed to update '$id'.");
+ } else {
+ self::logdeb("Successfully updated '$id' (result = $result).");
+ }
+
+ return $result;
+ }
}
}
$session = Session::staticGet('id', $id);
- if (!empty($session)) {
- return $session->delete();
+ if (empty($session)) {
+ self::logdeb("Can't find '$id' to delete.");
+ } else {
+ $result = $session->delete();
+ if (!$result) {
+ common_log_db_error($session, 'DELETE', __FILE__);
+ self::logdeb("Failed to delete '$id'.");
+ } else {
+ self::logdeb("Successfully deleted '$id' (result = $result).");
+ }
+ return $result;
}
}
$session->selectAdd();
$session->selectAdd('id');
+ $limit = common_config('sessions', 'gc_limit');
+ if ($limit > 0) {
+ // On large sites, too many sessions to expire
+ // at once will just result in failure.
+ $session->limit($limit);
+ }
+
$session->find();
while ($session->fetch()) {
$session->free();
+ self::logdeb("Found " . count($ids) . " ids to delete.");
+
foreach ($ids as $id) {
+ self::logdeb("Destroying session '$id'.");
self::destroy($id);
}
}
$result = session_set_save_handler('Session::open', 'Session::close', 'Session::read',
'Session::write', 'Session::destroy', 'Session::gc');
self::logdeb("save handlers result = $result");
+
+ // PHP 5.3 with APC ends up destroying a bunch of object stuff before the session
+ // save handlers get called on request teardown.
+ // Registering an explicit shutdown function should take care of this before
+ // everything breaks on us.
+ register_shutdown_function('Session::cleanup');
+
return $result;
}
+
+ static function cleanup()
+ {
+ session_write_close();
+ }
}