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