# This tests proper desync counter cleanup when DONOR/DESYNC state is cleared.

--source include/galera_cluster.inc
--source include/have_innodb.inc

# Make node 1 tolerate split-brain
SET GLOBAL wsrep_provider_options = 'pc.ignore_sb=true';

# Desync and disconnect node 2 from the PC:
--connection node_2
SET @@global.wsrep_desync = 1;
SET SESSION wsrep_dirty_reads=1;
SET SESSION wsrep_sync_wait=0;
SET GLOBAL wsrep_provider_options = 'gmcast.isolate=1';
--let $wait_condition = SELECT VARIABLE_VALUE = 'non-Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
--source include/wait_condition.inc

# Wait until node 2 disappears from the PC:
--connection node_1
--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
--source include/wait_condition.inc
--let $wait_condition = SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
--source include/wait_condition.inc

# Modify app state to force node 2 into PRIMARY upon reconnection.
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1));

# Reconnect node 2 to the PC:
--connection node_2
SET GLOBAL wsrep_provider_options = 'gmcast.isolate=0';
SET wsrep_dirty_reads=0;
--let $wait_condition = SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
--source include/wait_condition.inc
--let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
--source include/wait_condition.inc
--let $wait_condition = SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready';
--source include/wait_condition.inc

# Must return 0:
SHOW STATUS LIKE 'wsrep_desync_count';

# Resync node_2, should pass:
SET @@global.wsrep_desync = 0;

--let $wait_condition = SELECT VARIABLE_VALUE = 'Synced' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state_comment';
--source include/wait_condition.inc

SET SESSION wsrep_sync_wait=15;
SHOW CREATE TABLE t1;
DROP TABLE t1;
CALL mtr.add_suppression("WSREP: Protocol violation. JOIN message sender (.*) is not in state transfer \\(SYNCED\\). Message ignored.");

--connection node_1
--let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
--source include/wait_condition.inc
SET GLOBAL wsrep_provider_options = 'pc.ignore_sb=false';