// RecoverFile recovers and opens a DB with missing or corrupted manifest files
// for the given path. It will ignore any manifest files, valid or not.
// The DB must already exist or it will returns an error.
// Also, Recover will ignore ErrorIfMissing and ErrorIfExist options.
//
// RecoverFile uses standard file-system backed storage implementation as desribed
// in the leveldb/storage package.
//
// The DB must be closed after use, by calling Close method.
func RecoverFile(path string, o *opt.Options) (db *DB, err error) {
stor, err := storage.OpenFile(path)
if err != nil {
return
}
db, err = Recover(stor, o)
if err != nil {
stor.Close()
} else {
db.closer = stor
}
return
}
func main() {
flag.Parse()
fmt.Printf("Using path: %s\n", filename)
if child {
fmt.Println("Child flag set.")
}
stor, err := storage.OpenFile(filename)
if err != nil {
fmt.Printf("Could not open storage: %s", err)
os.Exit(10)
}
if !child {
fmt.Println("Executing child -- first test (expecting error)")
err := runChild()
if err == nil {
fmt.Println("Expecting error from child")
} else if err.Error() != "exit status 10" {
fmt.Println("Got unexpected error from child:", err)
} else {
fmt.Printf("Got error from child: %s (expected)\n", err)
}
}
err = stor.Close()
if err != nil {
fmt.Printf("Error when closing storage: %s", err)
os.Exit(11)
}
if !child {
fmt.Println("Executing child -- second test")
err := runChild()
if err != nil {
fmt.Println("Got unexpected error from child:", err)
}
}
os.RemoveAll(filename)
}