diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/github.com/vbauerster/mpb/v6@v6.0.4/proxyreader.go | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/vbauerster/mpb/v6@v6.0.4/proxyreader.go b/dependencies/pkg/mod/github.com/vbauerster/mpb/v6@v6.0.4/proxyreader.go new file mode 100644 index 0000000..316f438 --- /dev/null +++ b/dependencies/pkg/mod/github.com/vbauerster/mpb/v6@v6.0.4/proxyreader.go @@ -0,0 +1,90 @@ +package mpb + +import ( + "io" + "io/ioutil" + "time" +) + +type proxyReader struct { + io.ReadCloser + bar *Bar +} + +func (x *proxyReader) Read(p []byte) (int, error) { + n, err := x.ReadCloser.Read(p) + x.bar.IncrBy(n) + if err == io.EOF { + go x.bar.SetTotal(0, true) + } + return n, err +} + +type proxyWriterTo struct { + io.ReadCloser // *proxyReader + wt io.WriterTo + bar *Bar +} + +func (x *proxyWriterTo) WriteTo(w io.Writer) (int64, error) { + n, err := x.wt.WriteTo(w) + x.bar.IncrInt64(n) + if err == io.EOF { + go x.bar.SetTotal(0, true) + } + return n, err +} + +type ewmaProxyReader struct { + io.ReadCloser // *proxyReader + bar *Bar + iT time.Time +} + +func (x *ewmaProxyReader) Read(p []byte) (int, error) { + n, err := x.ReadCloser.Read(p) + if n > 0 { + x.bar.DecoratorEwmaUpdate(time.Since(x.iT)) + x.iT = time.Now() + } + return n, err +} + +type ewmaProxyWriterTo struct { + io.ReadCloser // *ewmaProxyReader + wt io.WriterTo // *proxyWriterTo + bar *Bar + iT time.Time +} + +func (x *ewmaProxyWriterTo) WriteTo(w io.Writer) (int64, error) { + n, err := x.wt.WriteTo(w) + if n > 0 { + x.bar.DecoratorEwmaUpdate(time.Since(x.iT)) + x.iT = time.Now() + } + return n, err +} + +func newProxyReader(r io.Reader, bar *Bar) io.ReadCloser { + rc := toReadCloser(r) + rc = &proxyReader{rc, bar} + + if wt, isWriterTo := r.(io.WriterTo); bar.hasEwmaDecorators { + now := time.Now() + rc = &ewmaProxyReader{rc, bar, now} + if isWriterTo { + rc = &ewmaProxyWriterTo{rc, wt, bar, now} + } + } else if isWriterTo { + rc = &proxyWriterTo{rc, wt, bar} + } + return rc +} + +func toReadCloser(r io.Reader) io.ReadCloser { + if rc, ok := r.(io.ReadCloser); ok { + return rc + } + return ioutil.NopCloser(r) +} |