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Code Issues Releases Wiki Activity

fs: remove Open method from FS interface

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This commit is contained in:
Michael Eischer 2024-07-21 16:30:49 +02:00
parent 263709da8c
commit 507842b614
8 changed files with 21 additions and 104 deletions
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17
internal/archiver/archiver_test.go
View File

@ -1664,15 +1664,6 @@ type MockFS struct {
bytesRead map[string]int // tracks bytes read from all opened files
}
func (m *MockFS) Open(name string) (fs.File, error) {
f, err := m.FS.Open(name)
if err != nil {
return f, err
}
return MockFile{File: f, fs: m, filename: name}, nil
}
func (m *MockFS) OpenFile(name string, flag int, perm os.FileMode) (fs.File, error) {
f, err := m.FS.OpenFile(name, flag, perm)
if err != nil {
@ -2061,14 +2052,6 @@ type TrackFS struct {
m sync.Mutex
}
func (m *TrackFS) Open(name string) (fs.File, error) {
m.m.Lock()
m.opened[name]++
m.m.Unlock()
return m.FS.Open(name)
}
func (m *TrackFS) OpenFile(name string, flag int, perm os.FileMode) (fs.File, error) {
m.m.Lock()
m.opened[name]++

2
internal/archiver/file_saver_test.go
View File

@ -72,7 +72,7 @@ func TestFileSaver(t *testing.T) {
var results []FutureNode
for _, filename := range files {
f, err := testFs.Open(filename)
f, err := testFs.OpenFile(filename, os.O_RDONLY, 0)
if err != nil {
t.Fatal(err)
}

10
internal/fs/fs_local.go
View File

@ -18,16 +18,6 @@ func (fs Local) VolumeName(path string) string {
return filepath.VolumeName(path)
}
// Open opens a file for reading.
func (fs Local) Open(name string) (File, error) {
f, err := os.Open(fixpath(name))
if err != nil {
return nil, err
}
_ = setFlags(f)
return f, nil
}
// OpenFile is the generalized open call; most users will use Open
// or Create instead. It opens the named file with specified flag
// (O_RDONLY etc.) and perm, (0666 etc.) if applicable. If successful,

5
internal/fs/fs_local_vss.go
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@ -125,11 +125,6 @@ func (fs *LocalVss) DeleteSnapshots() {
fs.snapshots = activeSnapshots
}
// Open wraps the Open method of the underlying file system.
func (fs *LocalVss) Open(name string) (File, error) {
return os.Open(fs.snapshotPath(name))
}
// OpenFile wraps the Open method of the underlying file system.
func (fs *LocalVss) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
return os.OpenFile(fs.snapshotPath(name), flag, perm)

45
internal/fs/fs_reader.go
View File

@ -39,29 +39,6 @@ func (fs *Reader) VolumeName(_ string) string {
return ""
}
// Open opens a file for reading.
func (fs *Reader) Open(name string) (f File, err error) {
switch name {
case fs.Name:
fs.open.Do(func() {
f = newReaderFile(fs.ReadCloser, fs.fi(), fs.AllowEmptyFile)
})
if f == nil {
return nil, pathError("open", name, syscall.EIO)
}
return f, nil
case "/", ".":
f = fakeDir{
entries: []os.FileInfo{fs.fi()},
}
return f, nil
}
return nil, pathError("open", name, syscall.ENOENT)
}
func (fs *Reader) fi() os.FileInfo {
return fakeFileInfo{
name: fs.Name,
@ -82,15 +59,25 @@ func (fs *Reader) OpenFile(name string, flag int, _ os.FileMode) (f File, err er
fmt.Errorf("invalid combination of flags 0x%x", flag))
}
fs.open.Do(func() {
f = newReaderFile(fs.ReadCloser, fs.fi(), fs.AllowEmptyFile)
})
switch name {
case fs.Name:
fs.open.Do(func() {
f = newReaderFile(fs.ReadCloser, fs.fi(), fs.AllowEmptyFile)
})
if f == nil {
return nil, pathError("open", name, syscall.EIO)
if f == nil {
return nil, pathError("open", name, syscall.EIO)
}
return f, nil
case "/", ".":
f = fakeDir{
entries: []os.FileInfo{fs.fi()},
}
return f, nil
}
return f, nil
return nil, pathError("open", name, syscall.ENOENT)
}
// Stat returns a FileInfo describing the named file. If there is an error, it

35
internal/fs/fs_reader_test.go
View File

@ -15,27 +15,6 @@ import (
"github.com/restic/restic/internal/test"
)
func verifyFileContentOpen(t testing.TB, fs FS, filename string, want []byte) {
f, err := fs.Open(filename)
if err != nil {
t.Fatal(err)
}
buf, err := io.ReadAll(f)
if err != nil {
t.Fatal(err)
}
err = f.Close()
if err != nil {
t.Fatal(err)
}
if !cmp.Equal(want, buf) {
t.Error(cmp.Diff(want, buf))
}
}
func verifyFileContentOpenFile(t testing.TB, fs FS, filename string, want []byte) {
f, err := fs.OpenFile(filename, O_RDONLY, 0)
if err != nil {
@ -58,7 +37,7 @@ func verifyFileContentOpenFile(t testing.TB, fs FS, filename string, want []byte
}
func verifyDirectoryContents(t testing.TB, fs FS, dir string, want []string) {
f, err := fs.Open(dir)
f, err := fs.OpenFile(dir, os.O_RDONLY, 0)
if err != nil {
t.Fatal(err)
}
@ -96,7 +75,7 @@ func (s fiSlice) Swap(i, j int) {
}
func verifyDirectoryContentsFI(t testing.TB, fs FS, dir string, want []os.FileInfo) {
f, err := fs.Open(dir)
f, err := fs.OpenFile(dir, os.O_RDONLY, 0)
if err != nil {
t.Fatal(err)
}
@ -219,12 +198,6 @@ func TestFSReader(t *testing.T) {
verifyDirectoryContentsFI(t, fs, ".", []os.FileInfo{fi})
},
},
{
name: "file/Open",
f: func(t *testing.T, fs FS) {
verifyFileContentOpen(t, fs, filename, data)
},
},
{
name: "file/OpenFile",
f: func(t *testing.T, fs FS) {
@ -245,7 +218,7 @@ func TestFSReader(t *testing.T) {
{
name: "file/Stat",
f: func(t *testing.T, fs FS) {
f, err := fs.Open(filename)
f, err := fs.OpenFile(filename, os.O_RDONLY, 0)
if err != nil {
t.Fatal(err)
}
@ -417,7 +390,7 @@ func TestFSReaderMinFileSize(t *testing.T) {
AllowEmptyFile: test.allowEmpty,
}
f, err := fs.Open("testfile")
f, err := fs.OpenFile("testfile", os.O_RDONLY, 0)
if err != nil {
t.Fatal(err)
}

10
internal/fs/fs_track.go
View File

@ -15,16 +15,6 @@ type Track struct {
FS
}
// Open wraps the Open method of the underlying file system.
func (fs Track) Open(name string) (File, error) {
f, err := fs.FS.Open(fixpath(name))
if err != nil {
return nil, err
}
return newTrackFile(debug.Stack(), name, f), nil
}
// OpenFile wraps the OpenFile method of the underlying file system.
func (fs Track) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
f, err := fs.FS.OpenFile(fixpath(name), flag, perm)

1
internal/fs/interface.go
View File

@ -7,7 +7,6 @@ import (
// FS bundles all methods needed for a file system.
type FS interface {
Open(name string) (File, error)
OpenFile(name string, flag int, perm os.FileMode) (File, error)
Stat(name string) (os.FileInfo, error)
Lstat(name string) (os.FileInfo, error)