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add "freeze" subcommand to volume

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This commit is contained in:
Tamás Gulácsi
2013-01-14 21:42:35 +01:00
parent dd685fdd8d
commit f262fed197
7 changed files with 144 additions and 16 deletions
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27
weed-fs/src/cmd/weed/fix.go
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@@ -1,6 +1,7 @@
package main
import (
"errors"
"log"
"os"
"path"
@@ -33,24 +34,36 @@ func runFix(cmd *Command, args []string) bool {
}
fileName := strconv.Itoa(*volumeId)
dataFile, e := os.OpenFile(path.Join(*dir, fileName+".dat"), os.O_RDONLY, 0644)
if err := createIndexFile(path.Join(*dir, fileName+".dat")); err != nil {
log.Fatalf("[ERROR] " + err.Error())
}
return true
}
func createIndexFile(datafn string) error {
dataFile, e := os.OpenFile(datafn, os.O_RDONLY, 0644)
if e != nil {
log.Fatalf("Read Volume [ERROR] %s\n", e)
return errors.New("Read Volume " + e.Error())
}
defer dataFile.Close()
indexFile, ie := os.OpenFile(path.Join(*dir, fileName+".idx"), os.O_WRONLY|os.O_CREATE, 0644)
// log.Printf("dataFile=%s", dataFile)
indexFile, ie := os.OpenFile(datafn[:len(datafn)-4]+".idx", os.O_WRONLY|os.O_CREATE, 0644)
if ie != nil {
log.Fatalf("Create Volume Index [ERROR] %s\n", ie)
return errors.New("Create Volume Index " + ie.Error())
}
defer indexFile.Close()
dataFile.Seek(0, 0)
header := make([]byte, storage.SuperBlockSize)
if _, e := dataFile.Read(header); e != nil {
log.Fatalf("cannot read superblock: %s", e)
return errors.New("cannot read superblock: " + e.Error())
}
ver, _, _ := storage.ParseSuperBlock(header)
ver, _, e := storage.ParseSuperBlock(header)
if e != nil {
return errors.New("cannot parse superblock: " + e.Error())
}
n, rest := storage.ReadNeedleHeader(dataFile, ver)
dataFile.Seek(int64(rest), 1)
@@ -66,5 +79,5 @@ func runFix(cmd *Command, args []string) bool {
n, rest = storage.ReadNeedleHeader(dataFile, ver)
dataFile.Seek(int64(rest), 1)
}
return true
return nil
}