示例#1
0
func ldbReplaceWithDelete(db *leveldb.DB, repo, node []byte, fs []protocol.FileInfo) uint64 {
	return ldbGenericReplace(db, repo, node, fs, func(db dbReader, batch dbWriter, repo, node, name []byte, dbi iterator.Iterator) uint64 {
		var tf protocol.FileInfoTruncated
		err := tf.UnmarshalXDR(dbi.Value())
		if err != nil {
			panic(err)
		}
		if !tf.IsDeleted() {
			if debug {
				l.Debugf("mark deleted; repo=%q node=%v name=%q", repo, protocol.NodeIDFromBytes(node), name)
			}
			ts := clock(tf.LocalVersion)
			f := protocol.FileInfo{
				Name:         tf.Name,
				Version:      lamport.Default.Tick(tf.Version),
				LocalVersion: ts,
				Flags:        tf.Flags | protocol.FlagDeleted,
				Modified:     tf.Modified,
			}
			batch.Put(dbi.Key(), f.MarshalXDR())
			ldbUpdateGlobal(db, batch, repo, node, nodeKeyName(dbi.Key()), f.Version)
			return ts
		}
		return 0
	})
}
示例#2
0
func ldbInsert(batch dbWriter, repo, node, name []byte, file protocol.FileInfo) uint64 {
	if debug {
		l.Debugf("insert; repo=%q node=%v %v", repo, protocol.NodeIDFromBytes(node), file)
	}

	if file.LocalVersion == 0 {
		file.LocalVersion = clock(0)
	}

	nk := nodeKey(repo, node, name)
	batch.Put(nk, file.MarshalXDR())

	return file.LocalVersion
}
示例#3
0
func ldbReplaceWithDelete(db *leveldb.DB, repo, node []byte, fs []protocol.FileInfo) uint64 {
	return ldbGenericReplace(db, repo, node, fs, func(db dbReader, batch dbWriter, repo, node, name []byte, dbi iterator.Iterator) uint64 {
		var f protocol.FileInfo
		err := f.UnmarshalXDR(dbi.Value())
		if err != nil {
			panic(err)
		}
		if !protocol.IsDeleted(f.Flags) {
			if debug {
				l.Debugf("mark deleted; repo=%q node=%v name=%q", repo, protocol.NodeIDFromBytes(node), name)
			}
			ts := clock(f.LocalVersion)
			f.Blocks = nil
			f.Version = lamport.Default.Tick(f.Version)
			f.Flags |= protocol.FlagDeleted
			f.LocalVersion = ts
			batch.Put(dbi.Key(), f.MarshalXDR())
			ldbUpdateGlobal(db, batch, repo, node, nodeKeyName(dbi.Key()), f.Version)
			return ts
		}
		return 0
	})
}