74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
package sectorstorage
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import (
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"context"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/lotus/extern/sector-storage/sealtasks"
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"github.com/filecoin-project/lotus/extern/sector-storage/stores"
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"github.com/filecoin-project/lotus/extern/sector-storage/storiface"
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)
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type existingSelector struct {
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index stores.SectorIndex
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sector abi.SectorID
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alloc storiface.SectorFileType
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allowFetch bool
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}
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func newExistingSelector(index stores.SectorIndex, sector abi.SectorID, alloc storiface.SectorFileType, allowFetch bool) *existingSelector {
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return &existingSelector{
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index: index,
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sector: sector,
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alloc: alloc,
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allowFetch: allowFetch,
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}
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}
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func (s *existingSelector) Ok(ctx context.Context, task sealtasks.TaskType, spt abi.RegisteredSealProof, whnd *workerHandle) (bool, error) {
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tasks, err := whnd.TaskTypes(ctx)
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if err != nil {
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return false, xerrors.Errorf("getting supported worker task types: %w", err)
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}
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if _, supported := tasks[task]; !supported {
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return false, nil
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}
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paths, err := whnd.workerRpc.Paths(ctx)
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if err != nil {
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return false, xerrors.Errorf("getting worker paths: %w", err)
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}
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have := map[storiface.ID]struct{}{}
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for _, path := range paths {
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have[path.ID] = struct{}{}
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}
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ssize, err := spt.SectorSize()
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if err != nil {
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return false, xerrors.Errorf("getting sector size: %w", err)
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}
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best, err := s.index.StorageFindSector(ctx, s.sector, s.alloc, ssize, s.allowFetch)
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if err != nil {
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return false, xerrors.Errorf("finding best storage: %w", err)
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}
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for _, info := range best {
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if _, ok := have[info.ID]; ok {
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return true, nil
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}
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}
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return false, nil
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}
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func (s *existingSelector) Cmp(ctx context.Context, task sealtasks.TaskType, a, b *workerHandle) (bool, error) {
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return a.utilization() < b.utilization(), nil
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}
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var _ WorkerSelector = &existingSelector{}
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