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vfs: make PipeWriter an interface

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Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino 2023-10-22 16:30:04 +02:00
parent e3c4ee0833
commit 320e404e4d
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GPG key ID: 935D2952DEC4EECF
12 changed files with 30 additions and 21 deletions
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2
internal/ftpd/transfer.go
View file

@ -32,7 +32,7 @@ type transfer struct {
expectedOffset int64
}
func newTransfer(baseTransfer *common.BaseTransfer, pipeWriter *vfs.PipeWriter, pipeReader *vfs.PipeReader,
func newTransfer(baseTransfer *common.BaseTransfer, pipeWriter vfs.PipeWriter, pipeReader *vfs.PipeReader,
expectedOffset int64) *transfer {
var writer io.WriteCloser
var reader io.ReadCloser

2
internal/httpd/file.go
View file

@ -28,7 +28,7 @@ type httpdFile struct {
isFinished bool
}
func newHTTPDFile(baseTransfer *common.BaseTransfer, pipeWriter *vfs.PipeWriter, pipeReader *vfs.PipeReader) *httpdFile {
func newHTTPDFile(baseTransfer *common.BaseTransfer, pipeWriter vfs.PipeWriter, pipeReader *vfs.PipeReader) *httpdFile {
var writer io.WriteCloser
var reader io.ReadCloser
if baseTransfer.File != nil {

2
internal/sftpd/transfer.go
View file

@ -58,7 +58,7 @@ type transfer struct {
isFinished bool
}
func newTransfer(baseTransfer *common.BaseTransfer, pipeWriter *vfs.PipeWriter, pipeReader *vfs.PipeReader,
func newTransfer(baseTransfer *common.BaseTransfer, pipeWriter vfs.PipeWriter, pipeReader *vfs.PipeReader,
errForRead error) *transfer {
var writer writerAtCloser
var reader readerAtCloser

4
internal/vfs/azblobfs.go
View file

@ -224,7 +224,7 @@ func (fs *AzureBlobFs) Open(name string, offset int64) (File, *PipeReader, func(
}
// Create creates or opens the named file for writing
func (fs *AzureBlobFs) Create(name string, flag, checks int) (File, *PipeWriter, func(), error) {
func (fs *AzureBlobFs) Create(name string, flag, checks int) (File, PipeWriter, func(), error) {
if checks&CheckParentDir != 0 {
_, err := fs.Stat(path.Dir(name))
if err != nil {
@ -1195,7 +1195,7 @@ func (fs *AzureBlobFs) getCopyOptions() *blob.StartCopyFromURLOptions {
return copyOptions
}
func (fs *AzureBlobFs) downloadToWriter(name string, w *PipeWriter) error {
func (fs *AzureBlobFs) downloadToWriter(name string, w PipeWriter) error {
fsLog(fs, logger.LevelDebug, "starting download before resuming upload, path %q", name)
ctx, cancelFn := context.WithTimeout(context.Background(), preResumeTimeout)
defer cancelFn()

2
internal/vfs/cryptfs.go
View file

@ -154,7 +154,7 @@ func (fs *CryptFs) Open(name string, offset int64) (File, *PipeReader, func(), e
}
// Create creates or opens the named file for writing
func (fs *CryptFs) Create(name string, _, _ int) (File, *PipeWriter, func(), error) {
func (fs *CryptFs) Create(name string, _, _ int) (File, PipeWriter, func(), error) {
f, err := os.OpenFile(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
if err != nil {
return nil, nil, nil, err

4
internal/vfs/gcsfs.go
View file

@ -167,7 +167,7 @@ func (fs *GCSFs) Open(name string, offset int64) (File, *PipeReader, func(), err
}
// Create creates or opens the named file for writing
func (fs *GCSFs) Create(name string, flag, checks int) (File, *PipeWriter, func(), error) {
func (fs *GCSFs) Create(name string, flag, checks int) (File, PipeWriter, func(), error) {
if checks&CheckParentDir != 0 {
_, err := fs.Stat(path.Dir(name))
if err != nil {
@ -777,7 +777,7 @@ func (fs *GCSFs) setWriterAttrs(objectWriter *storage.Writer, contentType string
}
}
func (fs *GCSFs) downloadToWriter(name string, w *PipeWriter) error {
func (fs *GCSFs) downloadToWriter(name string, w PipeWriter) error {
fsLog(fs, logger.LevelDebug, "starting download before resuming upload, path %q", name)
ctx, cancelFn := context.WithTimeout(context.Background(), preResumeTimeout)
defer cancelFn()

2
internal/vfs/httpfs.go
View file

@ -332,7 +332,7 @@ func (fs *HTTPFs) Open(name string, offset int64) (File, *PipeReader, func(), er
}
// Create creates or opens the named file for writing
func (fs *HTTPFs) Create(name string, flag, checks int) (File, *PipeWriter, func(), error) {
func (fs *HTTPFs) Create(name string, flag, checks int) (File, PipeWriter, func(), error) {
r, w, err := pipeat.PipeInDir(fs.localTempDir)
if err != nil {
return nil, nil, nil, err

2
internal/vfs/osfs.go
View file

@ -134,7 +134,7 @@ func (fs *OsFs) Open(name string, offset int64) (File, *PipeReader, func(), erro
}
// Create creates or opens the named file for writing
func (fs *OsFs) Create(name string, flag, _ int) (File, *PipeWriter, func(), error) {
func (fs *OsFs) Create(name string, flag, _ int) (File, PipeWriter, func(), error) {
if !fs.useWriteBuffering(flag) {
var err error
var f *os.File

4
internal/vfs/s3fs.go
View file

@ -241,7 +241,7 @@ func (fs *S3Fs) Open(name string, offset int64) (File, *PipeReader, func(), erro
}
// Create creates or opens the named file for writing
func (fs *S3Fs) Create(name string, flag, checks int) (File, *PipeWriter, func(), error) {
func (fs *S3Fs) Create(name string, flag, checks int) (File, PipeWriter, func(), error) {
if checks&CheckParentDir != 0 {
_, err := fs.Stat(path.Dir(name))
if err != nil {
@ -1050,7 +1050,7 @@ func (*S3Fs) GetAvailableDiskSize(_ string) (*sftp.StatVFS, error) {
return nil, ErrStorageSizeUnavailable
}
func (fs *S3Fs) downloadToWriter(name string, w *PipeWriter) error {
func (fs *S3Fs) downloadToWriter(name string, w PipeWriter) error {
fsLog(fs, logger.LevelDebug, "starting download before resuming upload, path %q", name)
ctx, cancelFn := context.WithTimeout(context.Background(), preResumeTimeout)
defer cancelFn()

2
internal/vfs/sftpfs.go
View file

@ -372,7 +372,7 @@ func (fs *SFTPFs) Open(name string, offset int64) (File, *PipeReader, func(), er
}
// Create creates or opens the named file for writing
func (fs *SFTPFs) Create(name string, flag, _ int) (File, *PipeWriter, func(), error) {
func (fs *SFTPFs) Create(name string, flag, _ int) (File, PipeWriter, func(), error) {
client, err := fs.conn.getClient()
if err != nil {
return nil, nil, nil, err

23
internal/vfs/vfs.go
View file

@ -110,7 +110,7 @@ type Fs interface {
Stat(name string) (os.FileInfo, error)
Lstat(name string) (os.FileInfo, error)
Open(name string, offset int64) (File, *PipeReader, func(), error)
Create(name string, flag, checks int) (File, *PipeWriter, func(), error)
Create(name string, flag, checks int) (File, PipeWriter, func(), error)
Rename(source, target string) (int, int64, error)
Remove(name string, isDir bool) error
Mkdir(name string) error
@ -174,6 +174,15 @@ type File interface {
Truncate(size int64) error
}
// PipeWriter defines an interface representing a SFTPGo pipe writer
type PipeWriter interface {
io.Writer
io.WriterAt
io.Closer
Done(err error)
GetWrittenBytes() int64
}
// Metadater defines an interface to implement to return metadata for a file
type Metadater interface {
Metadata() map[string]string
@ -707,16 +716,16 @@ func (c *CryptFsConfig) validate() error {
return nil
}
// PipeWriter defines a wrapper for pipeat.PipeWriterAt.
type PipeWriter struct {
// pipeWriter defines a wrapper for pipeat.PipeWriterAt.
type pipeWriter struct {
*pipeat.PipeWriterAt
err error
done chan bool
}
// NewPipeWriter initializes a new PipeWriter
func NewPipeWriter(w *pipeat.PipeWriterAt) *PipeWriter {
return &PipeWriter{
func NewPipeWriter(w *pipeat.PipeWriterAt) PipeWriter {
return &pipeWriter{
PipeWriterAt: w,
err: nil,
done: make(chan bool),
@ -724,7 +733,7 @@ func NewPipeWriter(w *pipeat.PipeWriterAt) *PipeWriter {
}
// Close waits for the upload to end, closes the pipeat.PipeWriterAt and returns an error if any.
func (p *PipeWriter) Close() error {
func (p *pipeWriter) Close() error {
p.PipeWriterAt.Close() //nolint:errcheck // the returned error is always null
<-p.done
return p.err
@ -732,7 +741,7 @@ func (p *PipeWriter) Close() error {
// Done unlocks other goroutines waiting on Close().
// It must be called when the upload ends
func (p *PipeWriter) Done(err error) {
func (p *pipeWriter) Done(err error) {
p.err = err
p.done <- true
}

2
internal/webdavd/file.go
View file

@ -51,7 +51,7 @@ type webDavFile struct {
readTried atomic.Bool
}
func newWebDavFile(baseTransfer *common.BaseTransfer, pipeWriter *vfs.PipeWriter, pipeReader *pipeat.PipeReaderAt) *webDavFile {
func newWebDavFile(baseTransfer *common.BaseTransfer, pipeWriter vfs.PipeWriter, pipeReader *pipeat.PipeReaderAt) *webDavFile {
var writer io.WriteCloser
var reader io.ReadCloser
if baseTransfer.File != nil {