// 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
}
func randObj(t *testing.T, nd *core.IpfsNode, size int64) (*dag.Node, []byte) {
buf := make([]byte, size)
u.NewTimeSeededRand().Read(buf)
read := bytes.NewReader(buf)
obj, err := importer.BuildTrickleDagFromReader(nd.DAG, chunk.DefaultSplitter(read), nil)
if err != nil {
t.Fatal(err)
}
return obj, buf
}
func getNode(t testing.TB, dserv mdag.DAGService, size int64, pinner pin.ManualPinner) ([]byte, *mdag.Node) {
in := io.LimitReader(u.NewTimeSeededRand(), size)
node, err := imp.BuildTrickleDagFromReader(dserv, sizeSplitterGen(500)(in), imp.BasicPinnerCB(pinner))
if err != nil {
t.Fatal(err)
}
dr, err := uio.NewDagReader(context.Background(), node, dserv)
if err != nil {
t.Fatal(err)
}
b, err := ioutil.ReadAll(dr)
if err != nil {
t.Fatal(err)
}
return b, node
}