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140 lines
2.8 KiB
140 lines
2.8 KiB
package filer
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import (
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"bytes"
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"fmt"
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"os"
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"time"
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"github.com/golang/protobuf/proto"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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)
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func (entry *Entry) EncodeAttributesAndChunks() ([]byte, error) {
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message := &filer_pb.Entry{
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Attributes: EntryAttributeToPb(entry),
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Chunks: entry.Chunks,
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Extended: entry.Extended,
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HardLinkId: entry.HardLinkId,
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HardLinkCounter: entry.HardLinkCounter,
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}
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return proto.Marshal(message)
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}
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func (entry *Entry) DecodeAttributesAndChunks(blob []byte) error {
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message := &filer_pb.Entry{}
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if err := proto.UnmarshalMerge(blob, message); err != nil {
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return fmt.Errorf("decoding value blob for %s: %v", entry.FullPath, err)
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}
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entry.Attr = PbToEntryAttribute(message.Attributes)
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entry.Extended = message.Extended
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entry.Chunks = message.Chunks
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entry.HardLinkId = message.HardLinkId
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entry.HardLinkCounter = message.HardLinkCounter
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return nil
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}
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func EntryAttributeToPb(entry *Entry) *filer_pb.FuseAttributes {
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return &filer_pb.FuseAttributes{
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Crtime: entry.Attr.Crtime.Unix(),
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Mtime: entry.Attr.Mtime.Unix(),
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FileMode: uint32(entry.Attr.Mode),
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Uid: entry.Uid,
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Gid: entry.Gid,
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Mime: entry.Mime,
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Collection: entry.Attr.Collection,
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Replication: entry.Attr.Replication,
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TtlSec: entry.Attr.TtlSec,
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UserName: entry.Attr.UserName,
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GroupName: entry.Attr.GroupNames,
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SymlinkTarget: entry.Attr.SymlinkTarget,
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Md5: entry.Attr.Md5,
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FileSize: entry.Attr.FileSize,
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}
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}
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func PbToEntryAttribute(attr *filer_pb.FuseAttributes) Attr {
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t := Attr{}
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if attr == nil {
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return t
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}
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t.Crtime = time.Unix(attr.Crtime, 0)
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t.Mtime = time.Unix(attr.Mtime, 0)
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t.Mode = os.FileMode(attr.FileMode)
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t.Uid = attr.Uid
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t.Gid = attr.Gid
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t.Mime = attr.Mime
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t.Collection = attr.Collection
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t.Replication = attr.Replication
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t.TtlSec = attr.TtlSec
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t.UserName = attr.UserName
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t.GroupNames = attr.GroupName
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t.SymlinkTarget = attr.SymlinkTarget
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t.Md5 = attr.Md5
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t.FileSize = attr.FileSize
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return t
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}
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func EqualEntry(a, b *Entry) bool {
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if a == b {
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return true
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}
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if a == nil && b != nil || a != nil && b == nil {
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return false
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}
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if !proto.Equal(EntryAttributeToPb(a), EntryAttributeToPb(b)) {
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return false
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}
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if len(a.Chunks) != len(b.Chunks) {
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return false
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}
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if !eq(a.Extended, b.Extended) {
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return false
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}
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if !bytes.Equal(a.Md5, b.Md5) {
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return false
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}
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for i := 0; i < len(a.Chunks); i++ {
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if !proto.Equal(a.Chunks[i], b.Chunks[i]) {
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return false
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}
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}
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if !bytes.Equal(a.HardLinkId, b.HardLinkId) {
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return false
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}
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if a.HardLinkCounter != b.HardLinkCounter {
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return false
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}
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return true
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}
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func eq(a, b map[string][]byte) bool {
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if len(a) != len(b) {
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return false
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}
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for k, v := range a {
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if w, ok := b[k]; !ok || !bytes.Equal(v, w) {
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return false
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}
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}
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return true
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}
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