Make deals work with chunked files

This commit is contained in:
Łukasz Magiera 2019-08-28 01:03:22 +02:00
parent c0566399c6
commit a5d3122ba5
4 changed files with 33 additions and 14 deletions

View File

@ -5,6 +5,6 @@ package build
const UnixfsChunkSize uint64 = 1 << 20
const UnixfsLinksPerLevel = 1024
const SectorSize = 1024
const SectorSize = 16 << 20
// TODO: Move other important consts here

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@ -31,7 +31,7 @@ func (sm *StorageMinerAPI) ActorAddresses(context.Context) ([]address.Address, e
}
func (sm *StorageMinerAPI) StoreGarbageData(ctx context.Context) (uint64, error) {
size := uint64(build.SectorSize - 8) // this is the most data we can fit in a sector. TODO: check if correct
size := sectorbuilder.UserBytesForSectorSize(build.SectorSize)
name := fmt.Sprintf("fake-file-%d", rand.Intn(100000000))
sectorId, err := sm.Sectors.AddPiece(name, size, io.LimitReader(rand.New(rand.NewSource(42)), 1016))

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@ -7,6 +7,7 @@ import (
"github.com/filecoin-project/go-lotus/node/modules/dtypes"
"github.com/ipfs/go-datastore/namespace"
"github.com/ipfs/go-datastore/query"
blockstore "github.com/ipfs/go-ipfs-blockstore"
ipld "github.com/ipfs/go-ipld-format"
"sync"
@ -26,10 +27,13 @@ const (
)
var dsPrefix = datastore.NewKey("/sealedblocks")
var imBlocksPrefix = datastore.NewKey("/intermediate")
type SectorBlocks struct {
*sector.Store
intermediate blockstore.Blockstore // holds intermediate nodes TODO: consider combining with the staging blockstore
unsealed *unsealedBlocks
keys datastore.Batching
keyLk sync.Mutex
@ -38,11 +42,15 @@ type SectorBlocks struct {
func NewSectorBlocks(sectst *sector.Store, ds dtypes.MetadataDS, sb *sectorbuilder.SectorBuilder) *SectorBlocks {
sbc := &SectorBlocks{
Store: sectst,
intermediate: blockstore.NewBlockstore(namespace.Wrap(ds, imBlocksPrefix)),
keys: namespace.Wrap(ds, dsPrefix),
}
unsealed := &unsealedBlocks{ // TODO: untangle this
sb: sb,
unsealed: map[string][]byte{},
unsealing: map[string]chan struct{}{},
}
@ -62,6 +70,7 @@ type UnixfsReader interface {
type refStorer struct {
blockReader UnixfsReader
writeRef func(cid cid.Cid, offset uint64, size uint32) error
intermediate blockstore.Blockstore
pieceRef string
remaining []byte
@ -119,7 +128,12 @@ func (r *refStorer) Read(p []byte) (n int, err error) {
}
if len(data) == 0 {
panic("Handle intermediate nodes") // TODO: !
// TODO: batch
// TODO: GC
if err := r.intermediate.Put(nd); err != nil {
return 0, err
}
continue
}
if err := r.writeRef(nd.Cid(), offset, uint32(len(data))); err != nil {
@ -141,7 +155,12 @@ func (st *SectorBlocks) AddUnixfsPiece(ref cid.Cid, r UnixfsReader, keepAtLeast
return 0, err
}
refst := &refStorer{blockReader: r, pieceRef: string(SerializationUnixfs0) + ref.String(), writeRef: st.writeRef}
refst := &refStorer{
blockReader: r,
pieceRef: string(SerializationUnixfs0) + ref.String(),
writeRef: st.writeRef,
intermediate: st.intermediate,
}
return st.Store.AddPiece(refst.pieceRef, uint64(size), refst)
}
@ -196,7 +215,7 @@ func (st *SectorBlocks) Has(k cid.Cid) (bool, error) {
func (st *SectorBlocks) SealedBlockstore(approveUnseal func() error) *SectorBlockStore {
return &SectorBlockStore{
//local: nil, // TODO: Pass staging
intermediate: st.intermediate,
sectorBlocks: st,
approveUnseal: approveUnseal,
}

View File

@ -8,7 +8,7 @@ import (
)
type SectorBlockStore struct {
// local blockstore.Blockstore // staging before GC // TODO: Pass staging
intermediate blockstore.Blockstore
sectorBlocks *SectorBlocks
approveUnseal func() error
@ -38,25 +38,25 @@ func (s *SectorBlockStore) HashOnRead(enabled bool) {
}
func (s *SectorBlockStore) Has(c cid.Cid) (bool, error) {
/*has, err := s.local.Has(c) // TODO: Pass staging
has, err := s.intermediate.Has(c)
if err != nil {
return false, err
}
if has {
return true, nil
}*/
}
return s.sectorBlocks.Has(c)
}
func (s *SectorBlockStore) Get(c cid.Cid) (blocks.Block, error) {
/*val, err := s.local.Get(c) // TODO: Pass staging
val, err := s.intermediate.Get(c)
if err == nil {
return val, nil
}
if err != blockstore.ErrNotFound {
return nil, err
}*/
}
refs, err := s.sectorBlocks.GetRefs(c)
if err != nil {