mirror of
https://github.com/seaweedfs/seaweedfs.git
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![chris.lu@gmail.com](/assets/img/avatar_default.png)
git-svn-id: https://weed-fs.googlecode.com/svn/trunk@64 282b0af5-e82d-9cf1-ede4-77906d7719d0
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package main
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import (
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"pkg/storage"
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"log"
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"os"
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"path"
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"strconv"
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)
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func init() {
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cmdFix.Run = runFix // break init cycle
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IsDebug = cmdFix.Flag.Bool("debug", false, "enable debug mode")
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}
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var cmdFix = &Command{
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UsageLine: "fix -dir=/tmp -volumeId=234 -debug=1",
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Short: "run weed tool fix on data file if corrupted",
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Long: `Fix runs the WeedFS fix command on the .dat volume file.
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`,
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}
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var (
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dir = cmdFix.Flag.String("dir", "/tmp", "data directory to store files")
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volumeId = cmdFix.Flag.Int("volumeId", -1, "a non-negative volume id. The volume should already exist in the dir. The volume index file should not exist.")
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)
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func runFix(cmd *Command, args []string) bool {
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if *volumeId == -1 {
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return false
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}
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fileName := strconv.Itoa(*volumeId)
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dataFile, e := os.OpenFile(path.Join(*dir, fileName+".dat"), os.O_RDONLY, 0644)
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if e != nil {
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log.Fatalf("Read Volume [ERROR] %s\n", e)
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}
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defer dataFile.Close()
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indexFile, ie := os.OpenFile(path.Join(*dir, fileName+".idx"), os.O_WRONLY|os.O_CREATE, 0644)
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if ie != nil {
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log.Fatalf("Create Volume Index [ERROR] %s\n", ie)
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}
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defer indexFile.Close()
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//skip the volume super block
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dataFile.Seek(storage.SuperBlockSize, 0)
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n, length := storage.ReadNeedle(dataFile)
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nm := storage.NewNeedleMap(indexFile)
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offset := uint32(storage.SuperBlockSize)
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for n != nil {
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if *IsDebug {
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log.Println("key", n.Key, "volume offset", offset, "data_size", n.Size, "length", length)
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}
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if n.Size > 0 {
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count, pe := nm.Put(n.Key, offset/8, n.Size)
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if *IsDebug {
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log.Println("saved", count, "with error", pe)
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}
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}
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offset += length
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n, length = storage.ReadNeedle(dataFile)
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}
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return true
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}
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