// Perform the actual add & pin locally, outputting results to reader
func add(n *core.IpfsNode, reader io.Reader, useTrickle bool, chunker string) (*dag.Node, error) {
chnk, err := chunk.FromString(reader, chunker)
if err != nil {
return nil, err
}
var node *dag.Node
if useTrickle {
node, err = importer.BuildTrickleDagFromReader(
n.DAG,
chnk,
importer.PinIndirectCB(n.Pinning.GetManual()),
)
} else {
node, err = importer.BuildDagFromReader(
n.DAG,
chnk,
importer.PinIndirectCB(n.Pinning.GetManual()),
)
}
if err != nil {
return nil, err
}
return node, nil
}
// TODO(cryptix): find these helpers somewhere else
func (i *gatewayHandler) newDagFromReader(r io.Reader) (*dag.Node, error) {
// TODO(cryptix): change and remove this helper once PR1136 is merged
// return ufs.AddFromReader(i.node, r.Body)
return importer.BuildDagFromReader(
i.node.DAG,
chunk.DefaultSplitter(r),
importer.BasicPinnerCB(i.node.Pinning.GetManual()))
}
func add(n *core.IpfsNode, reader io.Reader) (*merkledag.Node, error) {
mp := n.Pinning.GetManual()
return importer.BuildDagFromReader(
n.DAG,
chunk.DefaultSplitter(reader),
importer.PinIndirectCB(mp),
)
}
// Add builds a merkledag from the a reader, pinning all objects to the local
// datastore. Returns a key representing the root node.
func Add(n *core.IpfsNode, r io.Reader) (string, error) {
// TODO more attractive function signature importer.BuildDagFromReader
dagNode, err := importer.BuildDagFromReader(
n.DAG,
chunk.NewSizeSplitter(r, chunk.DefaultBlockSize),
importer.BasicPinnerCB(n.Pinning.GetManual()),
)
if err != nil {
return "", err
}
k, err := dagNode.Key()
if err != nil {
return "", err
}
return k.String(), nil
}