func (w *writecache) Put(b *blocks.Block) error {
if _, ok := w.cache.Get(b.Key()); ok {
return nil
}
w.cache.Add(b.Key(), struct{}{})
return w.blockstore.Put(b)
}
func assertBlocksEqual(t *testing.T, a, b *blocks.Block) {
if !bytes.Equal(a.Data, b.Data) {
t.Fatal("blocks aren't equal")
}
if a.Key() != b.Key() {
t.Fatal("block keys aren't equal")
}
}
func getOrFail(bitswap Instance, b *blocks.Block, t *testing.T, wg *sync.WaitGroup) {
if _, err := bitswap.Blockstore().Get(b.Key()); err != nil {
_, err := bitswap.Exchange.GetBlock(context.Background(), b.Key())
if err != nil {
t.Fatal(err)
}
}
wg.Done()
}
func (bs *blockstore) Put(block *blocks.Block) error {
k := block.Key().DsKey()
// Has is cheaper than Put, so see if we already have it
exists, err := bs.datastore.Has(k)
if err == nil && exists {
return nil // already stored.
}
return bs.datastore.Put(k, block.Data)
}
// AddBlock adds a particular block to the service, Putting it into the datastore.
// TODO pass a context into this if the remote.HasBlock is going to remain here.
func (s *BlockService) AddBlock(b *blocks.Block) (key.Key, error) {
k := b.Key()
err := s.Blockstore.Put(b)
if err != nil {
return k, err
}
if err := s.Exchange.HasBlock(b); err != nil {
return "", errors.New("blockservice is closed")
}
return k, nil
}
// Add adds a node to the dagService, storing the block in the BlockService
func (n *dagService) Add(nd *Node) (key.Key, error) {
if n == nil { // FIXME remove this assertion. protect with constructor invariant
return "", fmt.Errorf("dagService is nil")
}
d, err := nd.Encoded(false)
if err != nil {
return "", err
}
b := new(blocks.Block)
b.Data = d
b.Multihash, err = nd.Multihash()
if err != nil {
return "", err
}
return n.Blocks.AddBlock(b)
}
func (bs *Bitswap) updateReceiveCounters(b *blocks.Block) error {
bs.counterLk.Lock()
defer bs.counterLk.Unlock()
bs.blocksRecvd++
has, err := bs.blockstore.Has(b.Key())
if err != nil {
log.Infof("blockstore.Has error: %s", err)
return err
}
if err == nil && has {
bs.dupBlocksRecvd++
bs.dupDataRecvd += uint64(len(b.Data))
}
if has {
return ErrAlreadyHaveBlock
}
return nil
}
func (t *Batch) Add(nd *Node) (key.Key, error) {
d, err := nd.Encoded(false)
if err != nil {
return "", err
}
b := new(blocks.Block)
b.Data = d
b.Multihash, err = nd.Multihash()
if err != nil {
return "", err
}
k := key.Key(b.Multihash)
t.blocks = append(t.blocks, b)
t.size += len(b.Data)
if t.size > t.MaxSize {
return k, t.Commit()
}
return k, nil
}
func (m *impl) AddBlock(b *blocks.Block) {
m.blocks[b.Key()] = b
}
func (ps *impl) Publish(block *blocks.Block) {
topic := string(block.Key())
ps.wrapped.Pub(block, topic)
}