mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-06-28 05:12:13 +02:00
126 lines
2.8 KiB
Go
126 lines
2.8 KiB
Go
package topology
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
"github.com/chrislusf/seaweedfs/weed/storage"
|
|
)
|
|
|
|
type DataNode struct {
|
|
NodeImpl
|
|
volumes map[storage.VolumeId]storage.VolumeInfo
|
|
Ip string
|
|
Port int
|
|
PublicUrl string
|
|
LastSeen int64 // unix time in seconds
|
|
}
|
|
|
|
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", dn.NodeImpl.String(), dn.volumes, dn.Ip, dn.Port, dn.PublicUrl)
|
|
}
|
|
|
|
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.Lock()
|
|
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)
|
|
}
|
|
}
|
|
dn.Unlock()
|
|
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) GetVolumesById(id storage.VolumeId) (storage.VolumeInfo, error) {
|
|
dn.RLock()
|
|
defer dn.RUnlock()
|
|
v_info, ok := dn.volumes[id]
|
|
if ok {
|
|
return v_info, nil
|
|
} else {
|
|
return storage.VolumeInfo{}, fmt.Errorf("volumeInfo not found")
|
|
}
|
|
}
|
|
|
|
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
|
|
}
|