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backup.go
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backup.go
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// Copyright 2015-2016 Zack Scholl. All rights reserved.
// Use of this source code is governed by a AGPL
// license that can be found in the LICENSE file.
// backup.go contains functions for dumping a backup database.
package main
import (
"log"
"os"
"path"
"github.com/boltdb/bolt"
)
func dumpFingerprints(group string) error {
// Debug.Println("Making dump-" + group + " directory")
err := os.MkdirAll(path.Join(RuntimeArgs.SourcePath, "dump-"+group), 0777)
if err != nil {
return err
}
// Debug.Println("Opening db")
db, err := bolt.Open(path.Join(RuntimeArgs.SourcePath, group+".db"), 0664, nil)
if err != nil {
log.Fatal(err)
}
defer db.Close()
// Debug.Println("Opening file for learning fingerprints")
// Debug.Println(path.Join(RuntimeArgs.SourcePath, "dump-"+group, "learning"))
f, err := os.OpenFile(path.Join(RuntimeArgs.SourcePath, "dump-"+group, "learning"), os.O_WRONLY|os.O_CREATE, 0664)
if err != nil {
return err
}
// Debug.Println("Writing fingerprints to file")
db.View(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte("fingerprints"))
c := b.Cursor()
for k, v := c.First(); k != nil; k, v = c.Next() {
if _, err = f.WriteString(string(decompressByte(v)) + "\n"); err != nil {
panic(err)
}
}
return nil
})
f.Close()
// Debug.Println("Opening file for tracking fingerprints")
f, err = os.OpenFile(path.Join(RuntimeArgs.SourcePath, "dump-"+group, "tracking"), os.O_WRONLY|os.O_CREATE, 0664)
if err != nil {
return err
}
// Debug.Println("Writing fingerprints to file")
db.View(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte("fingerprints-track"))
c := b.Cursor()
for k, v := c.First(); k != nil; k, v = c.Next() {
if _, err = f.WriteString(string(decompressByte(v)) + "\n"); err != nil {
panic(err)
}
}
return nil
})
f.Close()
// Debug.Println("Returning")
return nil
}