/
progress_reader.go
48 lines (40 loc) · 1.09 KB
/
progress_reader.go
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package httpserver
import (
"context"
"io"
"time"
"github.com/Filecoin-Titan/titan/api/types"
"github.com/ipfs/go-cid"
)
type ProgressReader struct {
r io.Reader
httpServer *HttpServer
updateTime time.Time
root cid.Cid
totalSize int64
readLength int64
}
func newProgressReader(r io.Reader, httpServer *HttpServer, root cid.Cid, totalSize int64) *ProgressReader {
return &ProgressReader{
r: r,
httpServer: httpServer,
root: root,
totalSize: totalSize,
updateTime: time.Now(),
}
}
func (pr *ProgressReader) Read(p []byte) (n int, err error) {
n, err = pr.r.Read(p)
if err != nil {
return
}
pr.readLength += int64(n)
if time.Since(pr.updateTime) > time.Second && pr.readLength != pr.totalSize {
progress := &types.UploadProgress{TotalSize: pr.totalSize, DoneSize: pr.readLength}
if err = pr.httpServer.asset.SetAssetUploadProgress(context.Background(), pr.root, progress); err != nil {
log.Errorf("SetAssetUploadProgress error %s", err.Error())
}
pr.updateTime = time.Now()
}
return
}