1 files changed, 0 insertions, 115 deletions
diff --git a/go/topology/data_node.go b/go/topology/data_node.go
deleted file mode 100644
index 3bad8c188..000000000
--- a/go/topology/data_node.go
+++ /dev/null
@@ -1,115 +0,0 @@
-package topology
-
-import (
-	"fmt"
-	"strconv"
-
-	"github.com/chrislusf/seaweedfs/go/glog"
-	"github.com/chrislusf/seaweedfs/go/storage"
-)
-
-type DataNode struct {
-	NodeImpl
-	volumes   map[storage.VolumeId]storage.VolumeInfo
-	Ip        string
-	Port      int
-	PublicUrl string
-	LastSeen  int64 // unix time in seconds
-	Dead      bool
-}
-
-func NewDataNode(id string) *DataNode {
-	s := &DataNode{}
-	s.id = NodeId(id)
-	s.nodeType = "DataNode"
-	s.volumes = make(map[storage.VolumeId]storage.VolumeInfo)
-	s.NodeImpl.value = s
-	return s
-}
-
-func (dn *DataNode) String() string {
-	dn.RLock()
-	defer dn.RUnlock()
-	return fmt.Sprintf("Node:%s, volumes:%v, Ip:%s, Port:%d, PublicUrl:%s, Dead:%v", dn.NodeImpl.String(), dn.volumes, dn.Ip, dn.Port, dn.PublicUrl, dn.Dead)
-}
-
-func (dn *DataNode) AddOrUpdateVolume(v storage.VolumeInfo) {
-	dn.Lock()
-	defer dn.Unlock()
-	if _, ok := dn.volumes[v.Id]; !ok {
-		dn.volumes[v.Id] = v
-		dn.UpAdjustVolumeCountDelta(1)
-		if !v.ReadOnly {
-			dn.UpAdjustActiveVolumeCountDelta(1)
-		}
-		dn.UpAdjustMaxVolumeId(v.Id)
-	} else {
-		dn.volumes[v.Id] = v
-	}
-}
-
-func (dn *DataNode) UpdateVolumes(actualVolumes []storage.VolumeInfo) (deletedVolumes []storage.VolumeInfo) {
-	actualVolumeMap := make(map[storage.VolumeId]storage.VolumeInfo)
-	for _, v := range actualVolumes {
-		actualVolumeMap[v.Id] = v
-	}
-	dn.RLock()
-	for vid, v := range dn.volumes {
-		if _, ok := actualVolumeMap[vid]; !ok {
-			glog.V(0).Infoln("Deleting volume id:", vid)
-			delete(dn.volumes, vid)
-			deletedVolumes = append(deletedVolumes, v)
-			dn.UpAdjustVolumeCountDelta(-1)
-			dn.UpAdjustActiveVolumeCountDelta(-1)
-		}
-	} //TODO: adjust max volume id, if need to reclaim volume ids
-	dn.RUnlock()
-	for _, v := range actualVolumes {
-		dn.AddOrUpdateVolume(v)
-	}
-	return
-}
-
-func (dn *DataNode) GetVolumes() (ret []storage.VolumeInfo) {
-	dn.RLock()
-	for _, v := range dn.volumes {
-		ret = append(ret, v)
-	}
-	dn.RUnlock()
-	return ret
-}
-
-func (dn *DataNode) GetDataCenter() *DataCenter {
-	return dn.Parent().Parent().(*NodeImpl).value.(*DataCenter)
-}
-
-func (dn *DataNode) GetRack() *Rack {
-	return dn.Parent().(*NodeImpl).value.(*Rack)
-}
-
-func (dn *DataNode) GetTopology() *Topology {
-	p := dn.Parent()
-	for p.Parent() != nil {
-		p = p.Parent()
-	}
-	t := p.(*Topology)
-	return t
-}
-
-func (dn *DataNode) MatchLocation(ip string, port int) bool {
-	return dn.Ip == ip && dn.Port == port
-}
-
-func (dn *DataNode) Url() string {
-	return dn.Ip + ":" + strconv.Itoa(dn.Port)
-}
-
-func (dn *DataNode) ToMap() interface{} {
-	ret := make(map[string]interface{})
-	ret["Url"] = dn.Url()
-	ret["Volumes"] = dn.GetVolumeCount()
-	ret["Max"] = dn.GetMaxVolumeCount()
-	ret["Free"] = dn.FreeSpace()
-	ret["PublicUrl"] = dn.PublicUrl
-	return ret
-}