package sectorstorage import ( "context" "golang.org/x/xerrors" "github.com/filecoin-project/sector-storage/sealtasks" "github.com/filecoin-project/sector-storage/stores" "github.com/filecoin-project/specs-actors/actors/abi" ) type existingSelector struct { best []stores.StorageInfo } func newExistingSelector(ctx context.Context, index stores.SectorIndex, sector abi.SectorID, alloc stores.SectorFileType, allowFetch bool) (*existingSelector, error) { best, err := index.StorageFindSector(ctx, sector, alloc, allowFetch) if err != nil { return nil, err } return &existingSelector{ best: best, }, nil } func (s *existingSelector) Ok(ctx context.Context, task sealtasks.TaskType, whnd *workerHandle) (bool, error) { tasks, err := whnd.w.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.w.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{}{} } for _, info := range s.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.info.Hostname > b.info.Hostname, nil // TODO: Better strategy } var _ WorkerSelector = &existingSelector{}