mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-02 00:19:15 +08:00
9f9ef1340c
streaming mode would create separate grpc connections for each call. this is to ensure the long poll connections are properly closed.
103 lines
2.0 KiB
Go
103 lines
2.0 KiB
Go
package shell
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/golang/protobuf/proto"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
)
|
|
|
|
func init() {
|
|
Commands = append(Commands, &commandFsMetaLoad{})
|
|
}
|
|
|
|
type commandFsMetaLoad struct {
|
|
}
|
|
|
|
func (c *commandFsMetaLoad) Name() string {
|
|
return "fs.meta.load"
|
|
}
|
|
|
|
func (c *commandFsMetaLoad) Help() string {
|
|
return `load saved filer meta data to restore the directory and file structure
|
|
|
|
fs.meta.load <filer_host>-<port>-<time>.meta
|
|
|
|
`
|
|
}
|
|
|
|
func (c *commandFsMetaLoad) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
|
|
|
|
if len(args) == 0 {
|
|
fmt.Fprintf(writer, "missing a metadata file\n")
|
|
return nil
|
|
}
|
|
|
|
fileName := args[len(args)-1]
|
|
|
|
dst, err := os.OpenFile(fileName, os.O_RDONLY, 0644)
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
defer dst.Close()
|
|
|
|
var dirCount, fileCount uint64
|
|
|
|
err = commandEnv.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
|
|
|
|
sizeBuf := make([]byte, 4)
|
|
|
|
for {
|
|
if n, err := dst.Read(sizeBuf); n != 4 {
|
|
if err == io.EOF {
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
|
|
size := util.BytesToUint32(sizeBuf)
|
|
|
|
data := make([]byte, int(size))
|
|
|
|
if n, err := dst.Read(data); n != len(data) {
|
|
return err
|
|
}
|
|
|
|
fullEntry := &filer_pb.FullEntry{}
|
|
if err = proto.Unmarshal(data, fullEntry); err != nil {
|
|
return err
|
|
}
|
|
|
|
fullEntry.Entry.Name = strings.ReplaceAll(fullEntry.Entry.Name, "/", "x")
|
|
if err := filer_pb.CreateEntry(client, &filer_pb.CreateEntryRequest{
|
|
Directory: fullEntry.Dir,
|
|
Entry: fullEntry.Entry,
|
|
}); err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Fprintf(writer, "load %s\n", util.FullPath(fullEntry.Dir).Child(fullEntry.Entry.Name))
|
|
|
|
if fullEntry.Entry.IsDirectory {
|
|
dirCount++
|
|
} else {
|
|
fileCount++
|
|
}
|
|
|
|
}
|
|
|
|
})
|
|
|
|
if err == nil {
|
|
fmt.Fprintf(writer, "\ntotal %d directories, %d files", dirCount, fileCount)
|
|
fmt.Fprintf(writer, "\n%s is loaded.\n", fileName)
|
|
}
|
|
|
|
return err
|
|
}
|