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swarm/storage: fix HashExplore concurrency bug ethersphere#1211 #19028

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merged 5 commits into from
Feb 12, 2019
Merged

swarm/storage: fix HashExplore concurrency bug ethersphere#1211 #19028

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70d17ed
swarm/storage: fix HashExplore concurrency bug ethersphere#1211
holisticode Feb 8, 2019
ab03f8f
swarm/storage: lock as value not pointer
holisticode Feb 11, 2019
d53cb43
swarm/storage: wait for to complete
holisticode Feb 11, 2019
bb5e51e
swarm/storage: fix linter problems
holisticode Feb 11, 2019
b36816a
swarm/storage: append to nil slice
holisticode Feb 12, 2019
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4 changes: 4 additions & 0 deletions swarm/storage/filestore.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ import (
"context"
"io"
"sort"
"sync"
)

/*
Expand Down Expand Up @@ -123,6 +124,7 @@ func (f *FileStore) GetAllReferences(ctx context.Context, data io.Reader, toEncr
type HashExplorer struct {
*hasherStore
References []Reference
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lock sync.RWMutex
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}

// HashExplorer's Put will add just the chunk hashes to its `References`
Expand All @@ -133,6 +135,8 @@ func (he *HashExplorer) Put(ctx context.Context, chunkData ChunkData) (Reference
return nil, err
}
// internally store the reference
he.lock.Lock()
he.References = append(he.References, ref)
he.lock.Unlock()
return ref, nil
}