forked from travisjeffery/jocko
/
leader_and_isr_request.go
112 lines (105 loc) · 2.35 KB
/
leader_and_isr_request.go
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
package protocol
type PartitionState struct {
Topic string
Partition int32
ControllerEpoch int32
Leader int32
LeaderEpoch int32
ISR []int32
ZKVersion int32
Replicas []int32
}
type LiveLeader struct {
ID int32
Host string
Port int32
}
type LeaderAndISRRequest struct {
ControllerID int32
ControllerEpoch int32
PartitionStates []*PartitionState
LiveLeaders []*LiveLeader
}
func (r *LeaderAndISRRequest) Encode(e PacketEncoder) error {
var err error
e.PutInt32(r.ControllerID)
e.PutInt32(r.ControllerEpoch)
for _, p := range r.PartitionStates {
if err = e.PutString(p.Topic); err != nil {
return err
}
e.PutInt32(p.Partition)
e.PutInt32(p.ControllerEpoch)
e.PutInt32(p.Leader)
e.PutInt32(p.LeaderEpoch)
if err = e.PutInt32Array(p.ISR); err != nil {
return err
}
e.PutInt32(p.ZKVersion) // TODO: hardcode this?
if err = e.PutInt32Array(p.Replicas); err != nil {
return err
}
}
return nil
}
func (r *LeaderAndISRRequest) Decode(d PacketDecoder) error {
var err error
if r.ControllerID, err = d.Int32(); err != nil {
return err
}
if r.ControllerEpoch, err = d.Int32(); err != nil {
return err
}
stateCount, err := d.ArrayLength()
if err != nil {
return err
}
r.PartitionStates = make([]*PartitionState, stateCount)
for i := range r.PartitionStates {
ps := new(PartitionState)
if ps.Topic, err = d.String(); err != nil {
return err
}
if ps.Partition, err = d.Int32(); err != nil {
return err
}
if ps.Leader, err = d.Int32(); err != nil {
return err
}
if ps.LeaderEpoch, err = d.Int32(); err != nil {
return err
}
if ps.ISR, err = d.Int32Array(); err != nil {
return err
}
if ps.ZKVersion, err = d.Int32(); err != nil {
return err
}
if ps.Replicas, err = d.Int32Array(); err != nil {
return err
}
r.PartitionStates[i] = ps
}
leaderCount, err := d.ArrayLength()
r.LiveLeaders = make([]*LiveLeader, leaderCount)
for i := range r.LiveLeaders {
ll := new(LiveLeader)
if ll.ID, err = d.Int32(); err != nil {
return err
}
if ll.Host, err = d.String(); err != nil {
return err
}
if ll.Port, err = d.Int32(); err != nil {
return err
}
r.LiveLeaders[i] = ll
}
return nil
}
func (r *LeaderAndISRRequest) Key() int16 {
return LeaderAndISRKey
}
func (r *LeaderAndISRRequest) Version() int16 {
return 0
}