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Merge pull request #6762 from filecoin-project/feat/splitstore-exposed
Implement exposed splitstore
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,114 @@ | ||
package splitstore | ||
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import ( | ||
"context" | ||
"errors" | ||
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blocks "github.com/ipfs/go-block-format" | ||
cid "github.com/ipfs/go-cid" | ||
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bstore "github.com/filecoin-project/lotus/blockstore" | ||
) | ||
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type exposedSplitStore struct { | ||
s *SplitStore | ||
} | ||
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var _ bstore.Blockstore = (*exposedSplitStore)(nil) | ||
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func (s *SplitStore) Expose() bstore.Blockstore { | ||
return &exposedSplitStore{s: s} | ||
} | ||
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func (es *exposedSplitStore) DeleteBlock(_ cid.Cid) error { | ||
return errors.New("DeleteBlock: operation not supported") | ||
} | ||
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func (es *exposedSplitStore) DeleteMany(_ []cid.Cid) error { | ||
return errors.New("DeleteMany: operation not supported") | ||
} | ||
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func (es *exposedSplitStore) Has(c cid.Cid) (bool, error) { | ||
if isIdentiyCid(c) { | ||
return true, nil | ||
} | ||
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has, err := es.s.hot.Has(c) | ||
if has || err != nil { | ||
return has, err | ||
} | ||
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return es.s.cold.Has(c) | ||
} | ||
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func (es *exposedSplitStore) Get(c cid.Cid) (blocks.Block, error) { | ||
if isIdentiyCid(c) { | ||
data, err := decodeIdentityCid(c) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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return blocks.NewBlockWithCid(data, c) | ||
} | ||
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blk, err := es.s.hot.Get(c) | ||
switch err { | ||
case bstore.ErrNotFound: | ||
return es.s.cold.Get(c) | ||
default: | ||
return blk, err | ||
} | ||
} | ||
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func (es *exposedSplitStore) GetSize(c cid.Cid) (int, error) { | ||
if isIdentiyCid(c) { | ||
data, err := decodeIdentityCid(c) | ||
if err != nil { | ||
return 0, err | ||
} | ||
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return len(data), nil | ||
} | ||
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size, err := es.s.hot.GetSize(c) | ||
switch err { | ||
case bstore.ErrNotFound: | ||
return es.s.cold.GetSize(c) | ||
default: | ||
return size, err | ||
} | ||
} | ||
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func (es *exposedSplitStore) Put(blk blocks.Block) error { | ||
return es.s.Put(blk) | ||
} | ||
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func (es *exposedSplitStore) PutMany(blks []blocks.Block) error { | ||
return es.s.PutMany(blks) | ||
} | ||
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func (es *exposedSplitStore) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) { | ||
return es.s.AllKeysChan(ctx) | ||
} | ||
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func (es *exposedSplitStore) HashOnRead(enabled bool) {} | ||
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func (es *exposedSplitStore) View(c cid.Cid, f func([]byte) error) error { | ||
if isIdentiyCid(c) { | ||
data, err := decodeIdentityCid(c) | ||
if err != nil { | ||
return err | ||
} | ||
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return f(data) | ||
} | ||
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err := es.s.hot.View(c, f) | ||
switch err { | ||
case bstore.ErrNotFound: | ||
return es.s.cold.View(c, f) | ||
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default: | ||
return err | ||
} | ||
} |
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