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fs: add context.Ctx to ChunkWriter methods

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WriteChunk in particular needs a different context from that which
OpenChunkWriter was used with so add it to all the methods.
This commit is contained in:
Nick Craig-Wood 2023-08-19 17:30:55 +01:00
parent f3bd02f0ef
commit 0d0bcdac31
4 changed files with 20 additions and 22 deletions
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12
backend/s3/s3.go
View File

@ -5426,7 +5426,7 @@ func (w *s3ChunkWriter) addMd5(md5binary *[]byte, chunkNumber int64) {
}
// WriteChunk will write chunk number with reader bytes, where chunk number >= 0
func (w *s3ChunkWriter) WriteChunk(chunkNumber int, reader io.ReadSeeker) (int64, error) {
func (w *s3ChunkWriter) WriteChunk(ctx context.Context, chunkNumber int, reader io.ReadSeeker) (int64, error) {
if chunkNumber < 0 {
err := fmt.Errorf("invalid chunk number provided: %v", chunkNumber)
return -1, err
@ -5488,7 +5488,7 @@ func (w *s3ChunkWriter) WriteChunk(chunkNumber int, reader io.ReadSeeker) (int64
}
// Abort the multpart upload
func (w *s3ChunkWriter) Abort() error {
func (w *s3ChunkWriter) Abort(ctx context.Context) error {
err := w.f.pacer.Call(func() (bool, error) {
_, err := w.f.c.AbortMultipartUploadWithContext(context.Background(), &s3.AbortMultipartUploadInput{
Bucket: w.bucket,
@ -5506,7 +5506,7 @@ func (w *s3ChunkWriter) Abort() error {
}
// Close and finalise the multipart upload
func (w *s3ChunkWriter) Close() (err error) {
func (w *s3ChunkWriter) Close(ctx context.Context) (err error) {
// sort the completed parts by part number
sort.Slice(w.completedParts, func(i, j int) bool {
return *w.completedParts[i].PartNumber < *w.completedParts[j].PartNumber
@ -5561,7 +5561,7 @@ func (o *Object) uploadMultipart(ctx context.Context, src fs.ObjectInfo, in io.R
return
}
fs.Debugf(o, "Cancelling multipart upload")
errCancel := chunkWriter.Abort()
errCancel := chunkWriter.Abort(ctx)
if errCancel != nil {
fs.Debugf(o, "Failed to cancel multipart upload: %v", errCancel)
}
@ -5611,7 +5611,7 @@ func (o *Object) uploadMultipart(ctx context.Context, src fs.ObjectInfo, in io.R
off += int64(n)
g.Go(func() (err error) {
defer free()
_, err = chunkWriter.WriteChunk(int(partNum), bytes.NewReader(buf))
_, err = chunkWriter.WriteChunk(gCtx, int(partNum), bytes.NewReader(buf))
return err
})
}
@ -5620,7 +5620,7 @@ func (o *Object) uploadMultipart(ctx context.Context, src fs.ObjectInfo, in io.R
return wantETag, gotETag, nil, err
}
err = chunkWriter.Close()
err = chunkWriter.Close(ctx)
if err != nil {
return wantETag, gotETag, nil, fmt.Errorf("multipart upload failed to finalise: %w", err)
}

6
fs/features.go
View File

@ -652,13 +652,13 @@ type OpenChunkWriterFn func(ctx context.Context, remote string, src ObjectInfo,
type ChunkWriter interface {
// WriteChunk will write chunk number with reader bytes, where chunk number >= 0
WriteChunk(chunkNumber int, reader io.ReadSeeker) (bytesWritten int64, err error)
WriteChunk(ctx context.Context, chunkNumber int, reader io.ReadSeeker) (bytesWritten int64, err error)
// Close complete chunked writer
Close() error
Close(ctx context.Context) error
// Abort chunk write
Abort() error
Abort(ctx context.Context) error
}
// UserInfoer is an optional interface for Fs

16
fs/operations/multithread.go
View File

@ -86,7 +86,7 @@ func (mc *multiThreadCopyState) copyStream(ctx context.Context, stream int, writ
// FIXME NewRepeatableReader is allocating - need to be more careful with the memory allocations
// Also allocating for copy to local which doesn't need it
bytesWritten, err := writer.WriteChunk(stream, readers.NewRepeatableReader(rc))
bytesWritten, err := writer.WriteChunk(ctx, stream, readers.NewRepeatableReader(rc))
if err != nil {
return err
}
@ -175,7 +175,7 @@ func multiThreadCopy(ctx context.Context, f fs.Fs, remote string, src fs.Object,
}
err = g.Wait()
closeErr := chunkWriter.Close()
closeErr := chunkWriter.Close(ctx)
if err != nil {
return nil, err
}
@ -224,7 +224,6 @@ func (o *offsetWriter) Write(p []byte) (n int, err error) {
// writerAtChunkWriter converts a WriterAtCloser into a ChunkWriter
type writerAtChunkWriter struct {
ctx context.Context
remote string
size int64
writerAt fs.WriterAtCloser
@ -235,7 +234,7 @@ type writerAtChunkWriter struct {
}
// WriteChunk writes chunkNumber from reader
func (w writerAtChunkWriter) WriteChunk(chunkNumber int, reader io.ReadSeeker) (int64, error) {
func (w writerAtChunkWriter) WriteChunk(ctx context.Context, chunkNumber int, reader io.ReadSeeker) (int64, error) {
fs.Debugf(w.remote, "writing chunk %v", chunkNumber)
bytesToWrite := w.chunkSize
@ -266,17 +265,17 @@ func (w writerAtChunkWriter) WriteChunk(chunkNumber int, reader io.ReadSeeker) (
}
// Close the chunk writing
func (w writerAtChunkWriter) Close() error {
func (w writerAtChunkWriter) Close(ctx context.Context) error {
return w.writerAt.Close()
}
// Abort the chunk writing
func (w writerAtChunkWriter) Abort() error {
obj, err := w.f.NewObject(w.ctx, w.remote)
func (w writerAtChunkWriter) Abort(ctx context.Context) error {
obj, err := w.f.NewObject(ctx, w.remote)
if err != nil {
return fmt.Errorf("multi-thread copy: failed to find temp file when aborting chunk writer: %w", err)
}
return obj.Remove(w.ctx)
return obj.Remove(ctx)
}
// openChunkWriterFromOpenWriterAt adapts an OpenWriterAtFn into an OpenChunkWriterFn using chunkSize and writeBufferSize
@ -292,7 +291,6 @@ func openChunkWriterFromOpenWriterAt(openWriterAt fs.OpenWriterAtFn, chunkSize i
}
chunkWriter := &writerAtChunkWriter{
ctx: ctx,
remote: remote,
size: src.Size(),
chunkSize: chunkSize,

8
fstest/fstests/fstests.go
View File

@ -809,17 +809,17 @@ func Run(t *testing.T, opt *Opt) {
require.NoError(t, err)
var n int64
n, err = out.WriteChunk(1, strings.NewReader(contents2))
n, err = out.WriteChunk(ctx, 1, strings.NewReader(contents2))
assert.NoError(t, err)
assert.Equal(t, int64(size5MBs), n)
n, err = out.WriteChunk(2, strings.NewReader(contents3))
n, err = out.WriteChunk(ctx, 2, strings.NewReader(contents3))
assert.NoError(t, err)
assert.Equal(t, int64(size1MB), n)
n, err = out.WriteChunk(0, strings.NewReader(contents1))
n, err = out.WriteChunk(ctx, 0, strings.NewReader(contents1))
assert.NoError(t, err)
assert.Equal(t, int64(size5MBs), n)
assert.NoError(t, out.Close())
assert.NoError(t, out.Close(ctx))
obj := findObject(ctx, t, f, path)
originalContents := contents1 + contents2 + contents3