1start_server {tags {"repl"}} {
2    start_server {} {
3        test {First server should have role slave after SLAVEOF} {
4            r -1 slaveof [srv 0 host] [srv 0 port]
5            after 1000
6            s -1 role
7        } {slave}
8
9        test {BRPOPLPUSH replication, when blocking against empty list} {
10            set rd [redis_deferring_client]
11            $rd brpoplpush a b 5
12            r lpush a foo
13            wait_for_condition 50 100 {
14                [r debug digest] eq [r -1 debug digest]
15            } else {
16                fail "Master and slave have different digest: [r debug digest] VS [r -1 debug digest]"
17            }
18        }
19
20        test {BRPOPLPUSH replication, list exists} {
21            set rd [redis_deferring_client]
22            r lpush c 1
23            r lpush c 2
24            r lpush c 3
25            $rd brpoplpush c d 5
26            after 1000
27            assert_equal [r debug digest] [r -1 debug digest]
28        }
29    }
30}
31
32start_server {tags {"repl"}} {
33    r set mykey foo
34
35    start_server {} {
36        test {Second server should have role master at first} {
37            s role
38        } {master}
39
40        test {SLAVEOF should start with link status "down"} {
41            r slaveof [srv -1 host] [srv -1 port]
42            s master_link_status
43        } {down}
44
45        test {The role should immediately be changed to "slave"} {
46            s role
47        } {slave}
48
49        wait_for_sync r
50        test {Sync should have transferred keys from master} {
51            r get mykey
52        } {foo}
53
54        test {The link status should be up} {
55            s master_link_status
56        } {up}
57
58        test {SET on the master should immediately propagate} {
59            r -1 set mykey bar
60            if {$::valgrind} {after 2000}
61            r  0 get mykey
62        } {bar}
63
64        test {FLUSHALL should replicate} {
65            r -1 flushall
66            if {$::valgrind} {after 2000}
67            list [r -1 dbsize] [r 0 dbsize]
68        } {0 0}
69    }
70}
71
72proc start_write_load {host port seconds} {
73    exec tclsh8.5 tests/helpers/gen_write_load.tcl $host $port $seconds &
74}
75
76proc stop_write_load {handle} {
77    catch {exec /bin/kill -9 $handle}
78}
79
80start_server {tags {"repl"}} {
81    set master [srv 0 client]
82    set master_host [srv 0 host]
83    set master_port [srv 0 port]
84    set slaves {}
85    set load_handle0 [start_write_load $master_host $master_port 20]
86    set load_handle1 [start_write_load $master_host $master_port 20]
87    set load_handle2 [start_write_load $master_host $master_port 20]
88    set load_handle3 [start_write_load $master_host $master_port 20]
89    set load_handle4 [start_write_load $master_host $master_port 20]
90    after 2000
91    start_server {} {
92        lappend slaves [srv 0 client]
93        start_server {} {
94            lappend slaves [srv 0 client]
95            start_server {} {
96                lappend slaves [srv 0 client]
97                test "Connect multiple slaves at the same time (issue #141)" {
98                    [lindex $slaves 0] slaveof $master_host $master_port
99                    [lindex $slaves 1] slaveof $master_host $master_port
100                    [lindex $slaves 2] slaveof $master_host $master_port
101
102                    # Wait for all the three slaves to reach the "online" state
103                    set retry 500
104                    while {$retry} {
105                        set info [r -3 info]
106                        if {[string match {*slave0:*,online*slave1:*,online*slave2:*,online*} $info]} {
107                            break
108                        } else {
109                            incr retry -1
110                            after 100
111                        }
112                    }
113                    if {$retry == 0} {
114                        error "assertion:Slaves not correctly synchronized"
115                    }
116                    stop_write_load $load_handle0
117                    stop_write_load $load_handle1
118                    stop_write_load $load_handle2
119                    stop_write_load $load_handle3
120                    stop_write_load $load_handle4
121                    set retry 10
122                    while {$retry && ([$master debug digest] ne [[lindex $slaves 0] debug digest])} {
123                        after 1000
124                        incr retry -1
125                    }
126                    set digest [$master debug digest]
127                    set digest0 [[lindex $slaves 0] debug digest]
128                    set digest1 [[lindex $slaves 1] debug digest]
129                    set digest2 [[lindex $slaves 2] debug digest]
130                    assert {$digest ne 0000000000000000000000000000000000000000}
131                    assert {$digest eq $digest0}
132                    assert {$digest eq $digest1}
133                    assert {$digest eq $digest2}
134                    #puts [$master dbsize]
135                    #puts [[lindex $slaves 0] dbsize]
136                    #puts [[lindex $slaves 1] dbsize]
137                    #puts [[lindex $slaves 2] dbsize]
138                }
139           }
140        }
141    }
142}
143