#
# Test basic replication functionality 
# in multi-source setup
#

--source include/not_embedded.inc
--source include/have_innodb.inc

--connect (slave,127.0.0.1,root,,,$SERVER_MYPORT_3)

# MDEV-3984: crash/read of freed memory when changing master with named connection
# This fails after adding the new master 'abc', check we do not free twice.
--error ER_RELAY_LOG_INIT
change master 'abc' to relay_log_file='';
# This fails before adding the new master, check that we do free it.
--error ER_WRONG_ARGUMENTS
change master 'abc2' to master_host='';


# Start replication from the first master

--replace_result $SERVER_MYPORT_1 MYPORT_1
eval change master 'master1' to 
master_port=$SERVER_MYPORT_1, 
master_host='127.0.0.1', 
master_user='root';

start slave 'master1';
set default_master_connection = 'master1';
--source include/wait_for_slave_to_start.inc

--connect (master1,127.0.0.1,root,,,$SERVER_MYPORT_1)
--save_master_pos

--connection slave
--sync_with_master 0,'master1'

# Here and further: add an extra check on SQL thread status
# as the normal sync is not always enough
--source wait_for_sql_thread_read_all.inc

# each of the 3 commands should produce 
# 'master1' status

--replace_result $SERVER_MYPORT_1 MYPORT_1
show slave 'master1' status;
--replace_result $SERVER_MYPORT_1 MYPORT_1
show slave status;
--replace_result $SERVER_MYPORT_1 MYPORT_1
show all slaves status;


# Check that replication actually works

--connection master1

--disable_warnings
drop database if exists db1;
--enable_warnings
create database db1;
use db1;
create table t1 (i int auto_increment, f1 varchar(16), primary key pk (i,f1)) engine=MyISAM;
insert into t1 (f1) values ('one'),('two');
--save_master_pos

--connection slave
--sync_with_master 0,'master1'

--sorted_result
select * from db1.t1;

--let $datadir = `SELECT @@datadir`

--echo # List of relay log files in the datadir
--list_files $datadir mysqld-relay-bin-master1.*

# Check that relay logs are recognizable

--replace_regex /Server ver:.*/Server version/ /xid=[0-9]+/xid=<num>/
show relaylog events;
--replace_regex /Server ver:.*/Server version/ /xid=[0-9]+/xid=<num>/
show relaylog events in 'mysqld-relay-bin-master1.000002';


# Try to configure connection with the same name again,
# should get an error because the slave is running

--replace_result $SERVER_MYPORT_2 MYPORT_2
--error ER_SLAVE_MUST_STOP
eval change master 'master1' to
master_port=$SERVER_MYPORT_2,
master_host='127.0.0.1',
master_user='root';

# Try to configure using the default connection name
# (which is 'master1' at the moment),
# again, should get an error

--replace_result $SERVER_MYPORT_2 MYPORT_2
--error ER_SLAVE_MUST_STOP
eval change master to
master_port=$SERVER_MYPORT_2,
master_host='127.0.0.1',
master_user='root';

# Try to configure a connection with the same master
# using a different name, should get a conflict
 
--replace_result $SERVER_MYPORT_1 MYPORT_1
--error ER_CONNECTION_ALREADY_EXISTS
eval change master 'master2' to
master_port=$SERVER_MYPORT_1,
master_host='127.0.0.1',
master_user='root';


# Set up a proper 'default' connection to master2

set default_master_connection = '';

--replace_result $SERVER_MYPORT_2 MYPORT_2
eval change master to
master_port=$SERVER_MYPORT_2,
master_host='127.0.0.1',
master_user='root';

start slave;
--source include/wait_for_slave_to_start.inc

--source wait_for_sql_thread_read_all.inc

# See both connections in the same status output

--replace_result $SERVER_MYPORT_1 MYPORT_1 $SERVER_MYPORT_2 MYPORT_2
show all slaves status;

# Check that replication from two servers actually works

--connection master1 

insert into t1 (f1) values ('three');
--save_master_pos

--connect (master2,127.0.0.1,root,,,$SERVER_MYPORT_2)

--disable_warnings
drop database if exists db2;
--enable_warnings
create database db2;
use db2;
create table t1 (pk int auto_increment primary key, f1 int) engine=InnoDB;
begin;
insert into t1 (f1) values (1),(2);

--connection slave
--sync_with_master 0,'master1'

--connection master2
--save_master_pos

--connection slave
--sync_with_master 0
--sorted_result
select * from db1.t1;
select * from db2.t1;

--connection master2
commit;
--save_master_pos

--connection slave
--sync_with_master 0
--sorted_result
select * from db2.t1;

# Flush and purge logs on one master,
# make sure slaves don't get confused

--connection master1
flush logs;
--source include/wait_for_binlog_checkpoint.inc
--save_master_pos
--connection slave
--sync_with_master 0, 'master1'

--connection master1
purge binary logs to 'master-bin.000002';
show binary logs;
insert into t1 (f1) values ('four');
create table db1.t3 (f1 int) engine=InnoDB;
--save_master_pos

--connection slave
--sync_with_master 0,'master1'

--source wait_for_sql_thread_read_all.inc

--replace_result $SERVER_MYPORT_1 MYPORT_1 $SERVER_MYPORT_2 MYPORT_2
show all slaves status;

--sorted_result
select * from db1.t1;

# This should show relay log events for the default master
# (the one with the empty name)
--replace_regex /Server ver:.*/Server version/ /xid=[0-9]+/xid=<num>/
show relaylog events;
--replace_regex /Server ver:.*/Server version/ /xid=[0-9]+/xid=<num>/
show relaylog events in 'mysqld-relay-bin.000002';

# Make sure we don't lose control over replication connections
# after reconnecting to the slave

--disconnect slave
--connect (slave,127.0.0.1,root,,,$SERVER_MYPORT_3)

stop slave io_thread;
show status like 'Slave_running';
set default_master_connection = 'master1';
show status like 'Slave_running';

# Cleanup

drop database db1;
drop database db2;

--source reset_master_slave.inc
--disconnect slave

--connection master1
drop database db1;
--source reset_master_slave.inc
--disconnect master1

--connection master2
drop database db2;
--source reset_master_slave.inc
--disconnect master2