52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
// Copyright (C) 2021 Storj Labs, Inc.
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// See LICENSE for copying information.
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package ulfs
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import (
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"os"
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"github.com/zeebo/errs"
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"storj.io/storj/cmd/uplink/ulloc"
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)
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//
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// read handles
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//
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// osMultiReadHandle implements MultiReadHandle for *os.Files.
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func newOSMultiReadHandle(fh *os.File) (MultiReadHandle, error) {
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fi, err := fh.Stat()
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if err != nil {
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return nil, errs.Wrap(err)
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}
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return NewGenericMultiReadHandle(fh, ObjectInfo{
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Loc: ulloc.NewLocal(fh.Name()),
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IsPrefix: false,
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Created: fi.ModTime(), // TODO: os specific crtime
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ContentLength: fi.Size(),
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}), nil
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}
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//
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// write handles
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//
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type fileGenericWriter os.File
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func (f *fileGenericWriter) raw() *os.File { return (*os.File)(f) }
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func (f *fileGenericWriter) WriteAt(b []byte, off int64) (int, error) { return f.raw().WriteAt(b, off) }
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func (f *fileGenericWriter) Commit() error { return f.raw().Close() }
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func (f *fileGenericWriter) Abort() error {
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return errs.Combine(
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f.raw().Close(),
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os.Remove(f.raw().Name()),
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)
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}
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func newOSMultiWriteHandle(fh *os.File) MultiWriteHandle {
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return NewGenericMultiWriteHandle((*fileGenericWriter)(fh))
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}
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