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41 lines
1.4 KiB
41 lines
1.4 KiB
// Copyright (c) Tailscale Inc & contributors
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// SPDX-License-Identifier: BSD-3-Clause
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package taildrop
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import (
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"io"
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"io/fs"
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"os"
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)
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// FileOps abstracts over both local‐FS paths and Android SAF URIs.
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type FileOps interface {
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// OpenWriter creates or truncates a file named relative to the receiver's root,
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// seeking to the specified offset. If the file does not exist, it is created with mode perm
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// on platforms that support it.
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//
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// It returns an [io.WriteCloser] and the file's absolute path, or an error.
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// This call may block. Callers should avoid holding locks when calling OpenWriter.
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OpenWriter(name string, offset int64, perm os.FileMode) (wc io.WriteCloser, path string, err error)
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// Remove deletes a file or directory relative to the receiver's root.
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// It returns [io.ErrNotExist] if the file or directory does not exist.
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Remove(name string) error
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// Rename atomically renames oldPath to a new file named newName,
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// returning the full new path or an error.
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Rename(oldPath, newName string) (newPath string, err error)
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// ListFiles returns just the basenames of all regular files
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// in the root directory.
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ListFiles() ([]string, error)
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// Stat returns the FileInfo for the given name or an error.
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Stat(name string) (fs.FileInfo, error)
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// OpenReader opens the given basename for the given name or an error.
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OpenReader(name string) (io.ReadCloser, error)
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}
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var newFileOps func(dir string) (FileOps, error)
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