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package topology
import (
"code.google.com/p/weed-fs/go/storage"
_ "fmt"
"strconv"
)
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) AddOrUpdateVolume(v storage.VolumeInfo) {
if _, ok := dn.volumes[v.Id]; !ok {
dn.volumes[v.Id] = v
dn.UpAdjustVolumeCountDelta(1)
dn.UpAdjustActiveVolumeCountDelta(1)
dn.UpAdjustMaxVolumeId(v.Id)
} else {
dn.volumes[v.Id] = v
}
}
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
}
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