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            wait_for_condition 50 100 {
6                [s -1 role] eq {slave} &&
7                [string match {*master_link_status:up*} [r -1 info replication]]
8            } else {
9                fail "Can't turn the instance into a slave"
10            }
11        }
12
13        test {BRPOPLPUSH replication, when blocking against empty list} {
14            set rd [redis_deferring_client]
15            $rd brpoplpush a b 5
16            r lpush a foo
17            wait_for_condition 50 100 {
18                [r debug digest] eq [r -1 debug digest]
19            } else {
20                fail "Master and slave have different digest: [r debug digest] VS [r -1 debug digest]"
21            }
22        }
23
24        test {BRPOPLPUSH replication, list exists} {
25            set rd [redis_deferring_client]
26            r lpush c 1
27            r lpush c 2
28            r lpush c 3
29            $rd brpoplpush c d 5
30            after 1000
31            assert_equal [r debug digest] [r -1 debug digest]
32        }
33    }
34}
35
36start_server {tags {"repl"}} {
37    r set mykey foo
38
39    start_server {} {
40        test {Second server should have role master at first} {
41            s role
42        } {master}
43
44        test {SLAVEOF should start with link status "down"} {
45            r slaveof [srv -1 host] [srv -1 port]
46            s master_link_status
47        } {down}
48
49        test {The role should immediately be changed to "slave"} {
50            s role
51        } {slave}
52
53        wait_for_sync r
54        test {Sync should have transferred keys from master} {
55            r get mykey
56        } {foo}
57
58        test {The link status should be up} {
59            s master_link_status
60        } {up}
61
62        test {SET on the master should immediately propagate} {
63            r -1 set mykey bar
64
65            wait_for_condition 500 100 {
66                [r  0 get mykey] eq {bar}
67            } else {
68                fail "SET on master did not propagated on slave"
69            }
70        }
71
72        test {FLUSHALL should replicate} {
73            r -1 flushall
74            if {$::valgrind} {after 2000}
75            list [r -1 dbsize] [r 0 dbsize]
76        } {0 0}
77    }
78}
79
80proc start_write_load {host port seconds} {
81    exec tclsh8.5 tests/helpers/gen_write_load.tcl $host $port $seconds &
82}
83
84proc stop_write_load {handle} {
85    catch {exec /bin/kill -9 $handle}
86}
87
88start_server {tags {"repl"}} {
89    set master [srv 0 client]
90    set master_host [srv 0 host]
91    set master_port [srv 0 port]
92    set slaves {}
93    set load_handle0 [start_write_load $master_host $master_port 3]
94    set load_handle1 [start_write_load $master_host $master_port 5]
95    set load_handle2 [start_write_load $master_host $master_port 20]
96    set load_handle3 [start_write_load $master_host $master_port 8]
97    set load_handle4 [start_write_load $master_host $master_port 4]
98    start_server {} {
99        lappend slaves [srv 0 client]
100        start_server {} {
101            lappend slaves [srv 0 client]
102            start_server {} {
103                lappend slaves [srv 0 client]
104                test "Connect multiple slaves at the same time (issue #141)" {
105                    # Send SALVEOF commands to slaves
106                    [lindex $slaves 0] slaveof $master_host $master_port
107                    [lindex $slaves 1] slaveof $master_host $master_port
108                    [lindex $slaves 2] slaveof $master_host $master_port
109
110                    # Wait for all the three slaves to reach the "online" state
111                    set retry 500
112                    while {$retry} {
113                        set info [r -3 info]
114                        if {[string match {*slave0:*,online*slave1:*,online*slave2:*,online*} $info]} {
115                            break
116                        } else {
117                            incr retry -1
118                            after 100
119                        }
120                    }
121                    if {$retry == 0} {
122                        error "assertion:Slaves not correctly synchronized"
123                    }
124
125                    # Stop the write load
126                    stop_write_load $load_handle0
127                    stop_write_load $load_handle1
128                    stop_write_load $load_handle2
129                    stop_write_load $load_handle3
130                    stop_write_load $load_handle4
131
132                    # Wait that slaves exit the "loading" state
133                    wait_for_condition 500 100 {
134                        ![string match {*loading:1*} [[lindex $slaves 0] info]] &&
135                        ![string match {*loading:1*} [[lindex $slaves 1] info]] &&
136                        ![string match {*loading:1*} [[lindex $slaves 2] info]]
137                    } else {
138                        fail "Slaves still loading data after too much time"
139                    }
140
141                    # Make sure that slaves and master have same number of keys
142                    wait_for_condition 500 100 {
143                        [$master dbsize] == [[lindex $slaves 0] dbsize] &&
144                        [$master dbsize] == [[lindex $slaves 1] dbsize] &&
145                        [$master dbsize] == [[lindex $slaves 2] dbsize]
146                    } else {
147                        fail "Different number of keys between masted and slave after too long time."
148                    }
149
150                    # Check digests
151                    set digest [$master debug digest]
152                    set digest0 [[lindex $slaves 0] debug digest]
153                    set digest1 [[lindex $slaves 1] debug digest]
154                    set digest2 [[lindex $slaves 2] debug digest]
155                    assert {$digest ne 0000000000000000000000000000000000000000}
156                    assert {$digest eq $digest0}
157                    assert {$digest eq $digest1}
158                    assert {$digest eq $digest2}
159                }
160           }
161        }
162    }
163}
164