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# Created: Horst Hunger 2014-05-21 # WL#3836: Method to bring servers off line -- source include/not_embedded.inc -- source include/not_threadpool.inc # Save the global value to be used to restore the original value. SET @global_saved_tmp = @@global.offline_mode; # This count may not be 1, because of the probably existing connections # from the previous/parallel test runs let $user_count= `SELECT COUNT(USER) FROM INFORMATION_SCHEMA.PROCESSLIST`; # test case 2.1.14 1) # Create high nb of non-super users let $nbconn_max= 100; let $nbconn= $nbconn_max; while ($nbconn) { eval CREATE USER 'user$nbconn'@'localhost'; dec $nbconn; } # Super user sessions let $nbsu_max= 3; let $nbsu= $nbsu_max; while ($nbsu) { --connect(su$nbsu,localhost,root) dec $nbsu; } let $nbconn= $nbconn_max; while ($nbconn) { --connect(conu$nbconn,localhost,user$nbconn) dec $nbconn; } --connection default SELECT COUNT(USER) FROM INFORMATION_SCHEMA.PROCESSLIST; SHOW STATUS LIKE 'threads_connected'; SET GLOBAL offline_mode = ON; # Wait until all non super user have been disconnected (for slow machines) let $count_sessions= $nbsu_max + $user_count; --source include/wait_until_count_sessions.inc SELECT COUNT(USER) FROM INFORMATION_SCHEMA.PROCESSLIST; SHOW STATUS LIKE 'threads_connected'; SET GLOBAL offline_mode = OFF; # Disconnect cleanup session infos on client side to be able to reconnect. let $nbconn= $nbconn_max; while ($nbconn) { --disconnect conu$nbconn --connect(conu$nbconn,localhost,user$nbconn) dec $nbconn; } --connection default SELECT COUNT(USER) FROM INFORMATION_SCHEMA.PROCESSLIST; SHOW STATUS LIKE 'threads_connected'; SET GLOBAL offline_mode = ON; # Wait until all non super user have been disconnected (for slow machines) let $count_sessions= $nbsu_max + $user_count; --source include/wait_until_count_sessions.inc SELECT COUNT(USER) FROM INFORMATION_SCHEMA.PROCESSLIST; SHOW STATUS LIKE 'threads_connected'; # Clean up let $nbconn= $nbconn_max; while ($nbconn) { --disconnect conu$nbconn dec $nbconn; } let $nbsu= $nbsu_max; while ($nbsu) { --disconnect su$nbsu dec $nbsu; } # Wait until all users have been disconnected (for slow machines) let $count_sessions= $user_count; --source include/wait_until_count_sessions.inc let $nbconn= $nbconn_max; while ($nbconn) { eval DROP USER 'user$nbconn'@'localhost'; dec $nbconn; } --echo # Restoring the original values. SET @@global.offline_mode = @global_saved_tmp;