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storage manager: bail out with an error if unsealed cid is undefined #3615

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merged 2 commits into from
Sep 7, 2020
Merged

storage manager: bail out with an error if unsealed cid is undefined #3615

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07a4553
fix: storage manager - bail out with an error if unsealed cid is unde…
dirkmc Sep 7, 2020
a97f978
fix: storage manager - dont fail on successful read piece
dirkmc Sep 7, 2020
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13 changes: 6 additions & 7 deletions extern/sector-storage/manager.go
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Original file line number Diff line number Diff line change
Expand Up @@ -217,16 +217,11 @@ func (m *Manager) ReadPiece(ctx context.Context, sink io.Writer, sector abi.Sect
return xerrors.Errorf("read piece: checking for already existing unsealed sector: %w", err)
}

var readOk bool
var selector WorkerSelector
if len(best) == 0 { // new
selector = newAllocSelector(m.index, stores.FTUnsealed, stores.PathSealing)
} else { // append to existing
selector = newExistingSelector(m.index, sector, stores.FTUnsealed, false)
}

var readOk bool

if len(best) > 0 {
// There is unsealed sector, see if we can read from it

selector = newExistingSelector(m.index, sector, stores.FTUnsealed, false)
Expand Down Expand Up @@ -257,6 +252,10 @@ func (m *Manager) ReadPiece(ctx context.Context, sink io.Writer, sector abi.Sect
return nil
}

if unsealed == cid.Undef {
return xerrors.Errorf("cannot unseal piece (sector: %d, offset: %d size: %d) - unsealed cid is undefined", sector, offset, size)
}

err = m.sched.Schedule(ctx, sector, sealtasks.TTUnseal, selector, unsealFetch, func(ctx context.Context, w Worker) error {
return w.UnsealPiece(ctx, sector, offset, size, ticket, unsealed)
})
Expand All @@ -274,7 +273,7 @@ func (m *Manager) ReadPiece(ctx context.Context, sink io.Writer, sector abi.Sect
return xerrors.Errorf("reading piece from sealed sector: %w", err)
}

if readOk {
if !readOk {
return xerrors.Errorf("failed to read unsealed piece")
}

Expand Down