package sealer import ( "context" "golang.org/x/xerrors" "github.com/filecoin-project/go-state-types/abi" "github.com/filecoin-project/lotus/storage/sealer/sealtasks" "github.com/filecoin-project/lotus/storage/sealer/storiface" ) type taskSelector struct { best []storiface.StorageInfo //nolint: unused, structcheck } func newTaskSelector() *taskSelector { return &taskSelector{} } func (s *taskSelector) Ok(ctx context.Context, task sealtasks.TaskType, spt abi.RegisteredSealProof, whnd SchedWorker) (bool, bool, error) { tasks, err := whnd.TaskTypes(ctx) if err != nil { return false, false, xerrors.Errorf("getting supported worker task types: %w", err) } _, supported := tasks[task] return supported, false, nil } func (s *taskSelector) Cmp(ctx context.Context, _ sealtasks.TaskType, a, b SchedWorker) (bool, error) { atasks, err := a.TaskTypes(ctx) if err != nil { return false, xerrors.Errorf("getting supported worker task types: %w", err) } btasks, err := b.TaskTypes(ctx) if err != nil { return false, xerrors.Errorf("getting supported worker task types: %w", err) } if len(atasks) != len(btasks) { return len(atasks) < len(btasks), nil // prefer workers which can do less } return a.Utilization() < b.Utilization(), nil } var _ WorkerSelector = &taskSelector{}