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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
fiber = require 'fiber'
---
...
log = require 'log'
---
...
test_run = require('test_run').new()
---
...
net = require('net.box')
---
...
test_run:cmd('create server connecter with script = "box/proxy.lua"')
---
- true
...
--
-- gh-3164: netbox connection is not closed and garbage collected
-- ever, if reconnect_after is set.
--
test_run:cmd('start server connecter')
---
- true
...
test_run:cmd("set variable connect_to to 'connecter.listen'")
---
- true
...
weak = setmetatable({}, {__mode = 'v'})
---
...
-- Create strong and weak reference. Weak is valid until strong
-- is valid too.
strong = net.connect(connect_to, {reconnect_after = 0.1})
---
...
weak.c = strong
---
...
weak.c:ping()
---
- true
...
test_run:cmd('stop server connecter')
---
- true
...
test_run:cmd('cleanup server connecter')
---
- true
...
-- Check the connection tries to reconnect at least two times.
-- 'Cannot assign requested address' is the crutch for running the
-- tests in a docker. This error emits instead of
-- 'Connection refused' inside a docker.
old_log_level = box.cfg.log_level
---
...
box.cfg{log_level = 6}
---
...
log.info(string.rep('a', 1000))
---
...
test_run:cmd("setopt delimiter ';'")
---
- true
...
while test_run:grep_log('default', 'Network is unreachable', 1000) == nil and
test_run:grep_log('default', 'Connection refused', 1000) == nil and
test_run:grep_log('default', 'Cannot assign requested address', 1000) == nil do
fiber.sleep(0.1)
end;
---
...
log.info(string.rep('a', 1000));
---
...
while test_run:grep_log('default', 'Network is unreachable', 1000) == nil and
test_run:grep_log('default', 'Connection refused', 1000) == nil and
test_run:grep_log('default', 'Cannot assign requested address', 1000) == nil do
fiber.sleep(0.1)
end;
---
...
test_run:cmd("setopt delimiter ''");
---
- true
...
box.cfg{log_level = old_log_level}
---
...
collectgarbage('collect')
---
- 0
...
strong.state
---
- error_reconnect
...
strong == weak.c
---
- true
...
-- Remove single strong reference. Now connection must be garbage
-- collected.
strong = nil
---
...
collectgarbage('collect')
---
- 0
...
-- Now weak.c is null, because it was weak reference, and the
-- connection is deleted by 'collect'.
weak.c
---
- null
...
|
