seaweedfs/weed/storage/volume_info.go
2019-03-17 20:27:08 -07:00

83 lines
2.1 KiB
Go

package storage
import (
"fmt"
"sort"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
)
type VolumeInfo struct {
Id VolumeId
Size uint64
ReplicaPlacement *ReplicaPlacement
Ttl *TTL
Collection string
Version Version
FileCount int
DeleteCount int
DeletedByteCount uint64
ReadOnly bool
}
func NewVolumeInfo(m *master_pb.VolumeInformationMessage) (vi VolumeInfo, err error) {
vi = VolumeInfo{
Id: VolumeId(m.Id),
Size: m.Size,
Collection: m.Collection,
FileCount: int(m.FileCount),
DeleteCount: int(m.DeleteCount),
DeletedByteCount: m.DeletedByteCount,
ReadOnly: m.ReadOnly,
Version: Version(m.Version),
}
rp, e := NewReplicaPlacementFromByte(byte(m.ReplicaPlacement))
if e != nil {
return vi, e
}
vi.ReplicaPlacement = rp
vi.Ttl = LoadTTLFromUint32(m.Ttl)
return vi, nil
}
func (vi VolumeInfo) String() string {
return fmt.Sprintf("Id:%d, Size:%d, ReplicaPlacement:%s, Collection:%s, Version:%v, FileCount:%d, DeleteCount:%d, DeletedByteCount:%d, ReadOnly:%v",
vi.Id, vi.Size, vi.ReplicaPlacement, vi.Collection, vi.Version, vi.FileCount, vi.DeleteCount, vi.DeletedByteCount, vi.ReadOnly)
}
func (vi VolumeInfo) ToVolumeInformationMessage() *master_pb.VolumeInformationMessage {
return &master_pb.VolumeInformationMessage{
Id: uint32(vi.Id),
Size: uint64(vi.Size),
Collection: vi.Collection,
FileCount: uint64(vi.FileCount),
DeleteCount: uint64(vi.DeleteCount),
DeletedByteCount: vi.DeletedByteCount,
ReadOnly: vi.ReadOnly,
ReplicaPlacement: uint32(vi.ReplicaPlacement.Byte()),
Version: uint32(vi.Version),
Ttl: vi.Ttl.ToUint32(),
}
}
/*VolumesInfo sorting*/
type volumeInfos []*VolumeInfo
func (vis volumeInfos) Len() int {
return len(vis)
}
func (vis volumeInfos) Less(i, j int) bool {
return vis[i].Id < vis[j].Id
}
func (vis volumeInfos) Swap(i, j int) {
vis[i], vis[j] = vis[j], vis[i]
}
func sortVolumeInfos(vis volumeInfos) {
sort.Sort(vis)
}