#
# Tests for the performance_schema host_cache.
#
# Simulate failures from client / server protocol:
# - reported in COUNT_HANDSHAKE_ERRORS
# aud further causes blocking errors:
# - reported in SUM_CONNECT_ERRORS
# - reported in COUNT_HOST_BLOCKED_ERRORS

--source include/not_embedded.inc
--source include/have_debug.inc
--source include/have_perfschema.inc
--source include/have_hostname_cache.inc

# Enforce a clean state
--source ../include/wait_for_pfs_thread_count.inc
--source ../include/hostcache_set_state.inc

select @@global.max_connect_errors into @saved_max_connect_errors;

set global max_connect_errors = 3;

create user 'root'@'santa.claus.ipv4.example.com';
grant select on test.* to 'root'@'santa.claus.ipv4.example.com';

create user 'quota'@'santa.claus.ipv4.example.com';
grant select on test.* to 'quota'@'santa.claus.ipv4.example.com';

connect (con1,"127.0.0.1",root,,test,$MASTER_MYPORT,);
select "Con1 is alive";
select current_user();
disconnect con1;

--connection default
SET @saved_dbug = @@GLOBAL.debug_dbug;
set global debug_dbug= "+d,vio_peer_addr_fake_ipv4,getnameinfo_fake_ipv4,getaddrinfo_fake_good_ipv4,native_password_bad_reply";

--disable_query_log
--error ER_HANDSHAKE_ERROR
connect (con2a,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HANDSHAKE_ERROR
connect (con2b,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HANDSHAKE_ERROR
connect (con2c,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HOST_IS_BLOCKED
connect (con2d,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HOST_IS_BLOCKED
connect (con2e,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

# Now that the host is blocked, check that flush works
flush hosts;

--disable_query_log
--error ER_HANDSHAKE_ERROR
connect (con3a,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HANDSHAKE_ERROR
connect (con3b,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--connection default
set global debug_dbug= "-d,native_password_bad_reply";

--disable_query_log
connect (con4,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
select "Valid connection should reset SUM_CONNECT_ERROR counter" as message;
--disconnect con4
--enable_query_log

--connection default
set global debug_dbug= "+d,native_password_bad_reply";

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HANDSHAKE_ERROR
connect (con5a,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HANDSHAKE_ERROR
connect (con5b,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HANDSHAKE_ERROR
connect (con5c,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HOST_IS_BLOCKED
connect (con5d,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

--disable_query_log
--error ER_HOST_IS_BLOCKED
connect (con5e,"127.0.0.1",quota,,test,$MASTER_MYPORT,);
--enable_query_log

--connection default
--source ../include/hostcache_dump.inc

revoke select on test.* from 'root'@'santa.claus.ipv4.example.com';
drop user 'root'@'santa.claus.ipv4.example.com';

revoke select on test.* from 'quota'@'santa.claus.ipv4.example.com';
drop user 'quota'@'santa.claus.ipv4.example.com';

set global max_connect_errors = @saved_max_connect_errors;
SET @@GLOBAL.debug_dbug = @saved_dbug;