mirror of
https://github.com/seaweedfs/seaweedfs.git
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143 lines
3.3 KiB
Go
143 lines
3.3 KiB
Go
package filer
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import (
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"os"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/util"
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)
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type Attr struct {
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Mtime time.Time // time of last modification
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Crtime time.Time // time of creation (OS X only)
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Mode os.FileMode // file mode
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Uid uint32 // owner uid
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Gid uint32 // group gid
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Mime string // mime type
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TtlSec int32 // ttl in seconds
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UserName string
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GroupNames []string
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SymlinkTarget string
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Md5 []byte
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FileSize uint64
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Rdev uint32
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Inode uint64
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}
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func (attr Attr) IsDirectory() bool {
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return attr.Mode&os.ModeDir > 0
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}
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type Entry struct {
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util.FullPath
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Attr
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Extended map[string][]byte
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// the following is for files
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Chunks []*filer_pb.FileChunk `json:"chunks,omitempty"`
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HardLinkId HardLinkId
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HardLinkCounter int32
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Content []byte
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Remote *filer_pb.RemoteEntry
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Quota int64
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}
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func (entry *Entry) Size() uint64 {
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return maxUint64(maxUint64(TotalSize(entry.GetChunks()), entry.FileSize), uint64(len(entry.Content)))
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}
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func (entry *Entry) Timestamp() time.Time {
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if entry.IsDirectory() {
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return entry.Crtime
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} else {
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return entry.Mtime
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}
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}
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func (entry *Entry) ShallowClone() *Entry {
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if entry == nil {
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return nil
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}
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newEntry := &Entry{}
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newEntry.FullPath = entry.FullPath
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newEntry.Attr = entry.Attr
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newEntry.Chunks = entry.Chunks
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newEntry.Extended = entry.Extended
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newEntry.HardLinkId = entry.HardLinkId
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newEntry.HardLinkCounter = entry.HardLinkCounter
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newEntry.Content = entry.Content
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newEntry.Remote = entry.Remote
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newEntry.Quota = entry.Quota
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return newEntry
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}
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func (entry *Entry) ToProtoEntry() *filer_pb.Entry {
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if entry == nil {
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return nil
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}
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message := &filer_pb.Entry{}
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message.Name = entry.FullPath.Name()
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entry.ToExistingProtoEntry(message)
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return message
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}
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func (entry *Entry) ToExistingProtoEntry(message *filer_pb.Entry) {
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if entry == nil {
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return
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}
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message.IsDirectory = entry.IsDirectory()
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message.Attributes = EntryAttributeToPb(entry)
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message.Chunks = entry.GetChunks()
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message.Extended = entry.Extended
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message.HardLinkId = entry.HardLinkId
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message.HardLinkCounter = entry.HardLinkCounter
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message.Content = entry.Content
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message.RemoteEntry = entry.Remote
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message.Quota = entry.Quota
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}
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func FromPbEntryToExistingEntry(message *filer_pb.Entry, fsEntry *Entry) {
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fsEntry.Attr = PbToEntryAttribute(message.Attributes)
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fsEntry.Chunks = message.Chunks
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fsEntry.Extended = message.Extended
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fsEntry.HardLinkId = HardLinkId(message.HardLinkId)
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fsEntry.HardLinkCounter = message.HardLinkCounter
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fsEntry.Content = message.Content
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fsEntry.Remote = message.RemoteEntry
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fsEntry.Quota = message.Quota
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fsEntry.FileSize = FileSize(message)
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}
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func (entry *Entry) ToProtoFullEntry() *filer_pb.FullEntry {
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if entry == nil {
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return nil
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}
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dir, _ := entry.FullPath.DirAndName()
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return &filer_pb.FullEntry{
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Dir: dir,
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Entry: entry.ToProtoEntry(),
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}
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}
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func (entry *Entry) GetChunks() []*filer_pb.FileChunk {
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return entry.Chunks
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}
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func FromPbEntry(dir string, entry *filer_pb.Entry) *Entry {
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t := &Entry{}
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t.FullPath = util.NewFullPath(dir, entry.Name)
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FromPbEntryToExistingEntry(entry, t)
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return t
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}
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func maxUint64(x, y uint64) uint64 {
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if x > y {
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return x
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}
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return y
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}
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