1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#
# Tests for the performance_schema host_cache.
#
# Simulate failures from DNS:
# - getaddrinfo() fails with AGAIN
# - reported in COUNT_ADDRINFO_TRANSIENT_ERRORS
--source include/not_embedded.inc
--source include/have_debug.inc
--source include/have_perfschema.inc
--source include/have_hostname_cache.inc
# [Warning] Host name 'santa.claus.ipv4.example.com' could not be resolved:
# Temporary failure in name resolution
call mtr.add_suppression("santa.claus.ipv4.example.com");
# Enforce a clean state
--source ../include/wait_for_pfs_thread_count.inc
--source ../include/hostcache_set_state.inc
create user 'root'@'192.0.2.4';
grant select on test.* to 'root'@'192.0.2.4';
connect (con1,"127.0.0.1",root,,test,$MASTER_MYPORT,);
select "Con1 is alive";
select current_user();
disconnect con1;
--connection default
SET @saved_dbug = @@GLOBAL.debug_dbug;
set global debug_dbug= "+d,vio_peer_addr_fake_ipv4,getnameinfo_fake_ipv4,getaddrinfo_error_again";
connect (con2,"127.0.0.1",root,,test,$MASTER_MYPORT,);
select "Con2 is alive";
select current_user();
disconnect con2;
--connection default
--source ../include/hostcache_dump.inc
connect (con3,"127.0.0.1",root,,test,$MASTER_MYPORT,);
select "Con3 is alive";
select current_user();
disconnect con3;
--connection default
--source ../include/hostcache_dump.inc
revoke select on test.* from 'root'@'192.0.2.4';
drop user 'root'@'192.0.2.4';
SET @@GLOBAL.debug_dbug = @saved_dbug;
|