[#337] engine: Get all container sizes estimation from shards

Objects of one container can be split among shards, so engine
should iterate over all available shards to sum all size
estimations.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2021-01-22 14:37:28 +03:00 committed by Alex Vanin
parent dc5a481f17
commit 3926e76c32

View file

@ -0,0 +1,59 @@
package engine
import (
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
"go.uber.org/zap"
)
type ContainerSizePrm struct {
cid *container.ID
}
type ContainerSizeRes struct {
size uint64
}
func (p *ContainerSizePrm) WithContainerID(cid *container.ID) *ContainerSizePrm {
if p != nil {
p.cid = cid
}
return p
}
func (r *ContainerSizeRes) Size() uint64 {
return r.size
}
// ContainerSize returns sum of estimation container sizes among all shards.
func (e *StorageEngine) ContainerSize(prm *ContainerSizePrm) *ContainerSizeRes {
return &ContainerSizeRes{
size: e.containerSize(prm.cid),
}
}
// ContainerSize returns sum of estimation container sizes among all shards.
func ContainerSize(e *StorageEngine, id *container.ID) uint64 {
return e.ContainerSize(&ContainerSizePrm{cid: id}).Size()
}
func (e *StorageEngine) containerSize(id *container.ID) (total uint64) {
e.iterateOverUnsortedShards(func(s *shard.Shard) (stop bool) {
size, err := shard.ContainerSize(s, id)
if err != nil {
e.log.Warn("can't get container size",
zap.Stringer("shard_id", s.ID()),
zap.Stringer("container_id", id),
zap.String("error", err.Error()))
return false
}
total += size
return false
})
return total
}