lotus/extern/sector-storage/selector_alloc.go
2020-10-28 14:23:38 +01:00

72 lines
1.8 KiB
Go

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 allocSelector struct {
index stores.SectorIndex
alloc storiface.SectorFileType
ptype storiface.PathType
}
func newAllocSelector(index stores.SectorIndex, alloc storiface.SectorFileType, ptype storiface.PathType) *allocSelector {
return &allocSelector{
index: index,
alloc: alloc,
ptype: ptype,
}
}
func (s *allocSelector) 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.StorageBestAlloc(ctx, s.alloc, ssize, s.ptype)
if err != nil {
return false, xerrors.Errorf("finding best alloc storage: %w", err)
}
for _, info := range best {
if _, ok := have[info.ID]; ok {
return true, nil
}
}
return false, nil
}
func (s *allocSelector) Cmp(ctx context.Context, task sealtasks.TaskType, a, b *workerHandle) (bool, error) {
return a.utilization() < b.utilization(), nil
}
var _ WorkerSelector = &allocSelector{}