Create a FilestoreNode object to carry PosInfo

When doing a filestore add, we wrap whatever nodes we create in a
FilestoreNode object and add the PosInfo to it so that the filestore
will be able to extract information as needed.

Edited by whyrusleeping

License: MIT
Signed-off-by: Kevin Atkinson <k@kevina.org>

rabin.go

@@ -10,7 +10,8 @@ import (
 var IpfsRabinPoly = chunker.Pol(17437180132763653)
 
 type Rabin struct {
-	r *chunker.Chunker
+	r      *chunker.Chunker
+	reader io.Reader
 }
 
 func NewRabin(r io.Reader, avgBlkSize uint64) *Rabin {
@@ -25,7 +26,8 @@ func NewRabinMinMax(r io.Reader, min, avg, max uint64) *Rabin {
 	ch := chunker.New(r, IpfsRabinPoly, h, avg, min, max)
 
 	return &Rabin{
-		r: ch,
+		r:      ch,
+		reader: r,
 	}
 }
 
@@ -37,3 +39,7 @@ func (r *Rabin) NextBytes() ([]byte, error) {
 
 	return ch.Data, nil
 }
+
+func (r *Rabin) Reader() io.Reader {
+	return r.reader
+}

splitting.go

@@ -12,6 +12,7 @@ var log = logging.Logger("chunk")
 var DefaultBlockSize int64 = 1024 * 256
 
 type Splitter interface {
+	Reader() io.Reader
 	NextBytes() ([]byte, error)
 }
 
@@ -77,3 +78,7 @@ func (ss *sizeSplitterv2) NextBytes() ([]byte, error) {
 
 	return buf[:n], nil
 }
+
+func (ss *sizeSplitterv2) Reader() io.Reader {
+	return ss.r
+}