func PinIndirectCB(p pin.ManualPinner) h.NodeCB {
return func(n *dag.Node, last bool) error {
k, err := n.Key()
if err != nil {
return err
}
p.PinWithMode(k, pin.Indirect)
return nil
}
}
func basicGC(t *testing.T, bs blockstore.Blockstore, pins pin.ManualPinner) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel() // in case error occurs during operation
keychan, err := bs.AllKeysChan(ctx)
if err != nil {
t.Fatal(err)
}
for k := range keychan { // rely on AllKeysChan to close chan
if !pins.IsPinned(k) {
err := bs.DeleteBlock(k)
if err != nil {
t.Fatal(err)
}
}
}
}
func BasicPinnerCB(p pin.ManualPinner) h.NodeCB {
return func(n *dag.Node, last bool) error {
k, err := n.Key()
if err != nil {
return err
}
if last {
p.PinWithMode(k, pin.Recursive)
return p.Flush()
} else {
p.PinWithMode(k, pin.Indirect)
return nil
}
}
}