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96 lines
2.0 KiB
96 lines
2.0 KiB
package topology
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import (
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/storage/needle"
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)
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type VolumeLocationList struct {
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list []*DataNode
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}
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func NewVolumeLocationList() *VolumeLocationList {
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return &VolumeLocationList{}
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}
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func (dnll *VolumeLocationList) String() string {
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return fmt.Sprintf("%v", dnll.list)
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}
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func (dnll *VolumeLocationList) Copy() *VolumeLocationList {
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list := make([]*DataNode, len(dnll.list))
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copy(list, dnll.list)
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return &VolumeLocationList{
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list: list,
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}
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}
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func (dnll *VolumeLocationList) Head() *DataNode {
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//mark first node as master volume
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return dnll.list[0]
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}
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func (dnll *VolumeLocationList) Rest() []*DataNode {
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//mark first node as master volume
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return dnll.list[1:]
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}
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func (dnll *VolumeLocationList) Length() int {
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if dnll == nil {
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return 0
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}
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return len(dnll.list)
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}
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func (dnll *VolumeLocationList) Set(loc *DataNode) {
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for i := 0; i < len(dnll.list); i++ {
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if loc.Ip == dnll.list[i].Ip && loc.Port == dnll.list[i].Port {
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dnll.list[i] = loc
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return
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}
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}
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dnll.list = append(dnll.list, loc)
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}
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func (dnll *VolumeLocationList) Remove(loc *DataNode) bool {
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for i, dnl := range dnll.list {
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if loc.Ip == dnl.Ip && loc.Port == dnl.Port {
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dnll.list = append(dnll.list[:i], dnll.list[i+1:]...)
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return true
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}
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}
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return false
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}
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func (dnll *VolumeLocationList) Refresh(freshThreshHold int64) {
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var changed bool
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for _, dnl := range dnll.list {
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if dnl.LastSeen < freshThreshHold {
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changed = true
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break
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}
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}
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if changed {
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var l []*DataNode
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for _, dnl := range dnll.list {
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if dnl.LastSeen >= freshThreshHold {
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l = append(l, dnl)
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}
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}
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dnll.list = l
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}
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}
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// Stats returns logic size and count
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func (dnll *VolumeLocationList) Stats(vid needle.VolumeId, freshThreshHold int64) (size uint64, fileCount int) {
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for _, dnl := range dnll.list {
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if dnl.LastSeen < freshThreshHold {
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vinfo, err := dnl.GetVolumesById(vid)
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if err == nil {
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return (vinfo.Size - vinfo.DeletedByteCount), vinfo.FileCount - vinfo.DeleteCount
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}
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}
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}
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return 0, 0
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}
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