diff options
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/aws/request/offset_reader.go')
-rw-r--r-- | vendor/github.com/aws/aws-sdk-go/aws/request/offset_reader.go | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/request/offset_reader.go b/vendor/github.com/aws/aws-sdk-go/aws/request/offset_reader.go deleted file mode 100644 index b0c2ef4..0000000 --- a/vendor/github.com/aws/aws-sdk-go/aws/request/offset_reader.go +++ /dev/null @@ -1,60 +0,0 @@ -package request - -import ( - "io" - "sync" - - "github.com/aws/aws-sdk-go/internal/sdkio" -) - -// offsetReader is a thread-safe io.ReadCloser to prevent racing -// with retrying requests -type offsetReader struct { - buf io.ReadSeeker - lock sync.Mutex - closed bool -} - -func newOffsetReader(buf io.ReadSeeker, offset int64) *offsetReader { - reader := &offsetReader{} - buf.Seek(offset, sdkio.SeekStart) - - reader.buf = buf - return reader -} - -// Close will close the instance of the offset reader's access to -// the underlying io.ReadSeeker. -func (o *offsetReader) Close() error { - o.lock.Lock() - defer o.lock.Unlock() - o.closed = true - return nil -} - -// Read is a thread-safe read of the underlying io.ReadSeeker -func (o *offsetReader) Read(p []byte) (int, error) { - o.lock.Lock() - defer o.lock.Unlock() - - if o.closed { - return 0, io.EOF - } - - return o.buf.Read(p) -} - -// Seek is a thread-safe seeking operation. -func (o *offsetReader) Seek(offset int64, whence int) (int64, error) { - o.lock.Lock() - defer o.lock.Unlock() - - return o.buf.Seek(offset, whence) -} - -// CloseAndCopy will return a new offsetReader with a copy of the old buffer -// and close the old buffer. -func (o *offsetReader) CloseAndCopy(offset int64) *offsetReader { - o.Close() - return newOffsetReader(o.buf, offset) -} |