func (m *multiReadCloser) Close() error {
c := new(utils.CompositeError)
for ; m.index < len(m.readers); m.index++ {
err := m.readers[m.index].Close()
if err != nil {
c.AppendError(err)
}
}
if c.Empty() {
c = nil
}
return c
}
//!TODO this shoulde be redone when a more certain naming is imposed on files and directories
func (d *Disk) loadFromDisk() error {
if meta, err := d.readMetaFromDisk(); err != nil || meta.PartSize != d.partSize {
e := new(utils.CompositeError)
e.AppendError(err)
d.logger.Logf("%s is going to be removed.", d.path)
e.AppendError(os.RemoveAll(d.path))
return e
}
d.logger.Logf("%s is going to be loaded for reusage by storage.disk", d.path)
root, err := os.Open(d.path)
if err != nil {
e := new(utils.CompositeError)
e.AppendError(err)
d.logger.Logf("%s is going to be removed.", d.path)
e.AppendError(os.RemoveAll(d.path))
return err
}
infos, err := root.Readdir(-1)
if err != nil {
d.logger.Logf("Got error while reading the files in the storage root - %s", err)
}
for _, info := range infos {
if info.IsDir() { // cache_key
file, err := os.Open(filepath.Join(d.path, info.Name()))
if err != nil {
d.logger.Logf("Got error while loading cache for key %s:\n%s", info.Name(), err)
continue
}
walker := newDiskWalker(d, file)
walker.Walk()
}
}
return nil
}