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package weed_server
import (
"github.com/chrislusf/seaweedfs/weed/pb"
"sync"
)
type NodeType int
const (
filerNodeType NodeType = iota
)
type ClusterNode struct {
address pb.ServerAddress
version string
counter int
}
type Cluster struct {
filers map[pb.ServerAddress]*ClusterNode
filersLock sync.RWMutex
}
func NewCluster() *Cluster {
return &Cluster{
filers: make(map[pb.ServerAddress]*ClusterNode),
}
}
func (cluster *Cluster) AddClusterNode(nodeType string, address pb.ServerAddress, version string) {
switch nodeType {
case "filer":
cluster.filersLock.Lock()
defer cluster.filersLock.Unlock()
if existingNode, found := cluster.filers[address]; found {
existingNode.counter++
return
}
cluster.filers[address] = &ClusterNode{
address: address,
version: version,
counter: 1,
}
case "master":
}
}
func (cluster *Cluster) RemoveClusterNode(nodeType string, address pb.ServerAddress) {
switch nodeType {
case "filer":
cluster.filersLock.Lock()
defer cluster.filersLock.Unlock()
if existingNode, found := cluster.filers[address]; !found {
return
} else {
existingNode.counter--
if existingNode.counter <= 0 {
delete(cluster.filers, address)
}
}
case "master":
}
}
func (cluster *Cluster) ListClusterNode(nodeType string) (nodes []*ClusterNode) {
switch nodeType {
case "filer":
cluster.filersLock.RLock()
defer cluster.filersLock.RUnlock()
for _, node := range cluster.filers {
nodes = append(nodes, node)
}
case "master":
}
return
}
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