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
|
package cluster
import (
"github.com/seaweedfs/seaweedfs/weed/pb"
"time"
)
type GroupMembers struct {
members map[pb.ServerAddress]*ClusterNode
}
func newGroupMembers() *GroupMembers {
return &GroupMembers{
members: make(map[pb.ServerAddress]*ClusterNode),
}
}
func (m *GroupMembers) addMember(dataCenter DataCenter, rack Rack, address pb.ServerAddress, version string) *ClusterNode {
if existingNode, found := m.members[address]; found {
existingNode.counter++
return nil
}
t := &ClusterNode{
Address: address,
Version: version,
counter: 1,
CreatedTs: time.Now(),
DataCenter: dataCenter,
Rack: rack,
}
m.members[address] = t
return t
}
func (m *GroupMembers) removeMember(address pb.ServerAddress) bool {
if existingNode, found := m.members[address]; !found {
return false
} else {
existingNode.counter--
if existingNode.counter <= 0 {
delete(m.members, address)
return true
}
}
return false
}
func (m *GroupMembers) GetMembers() (addresses []pb.ServerAddress) {
for k := range m.members {
addresses = append(addresses, k)
}
return
}
|
