frostfs-node/pkg/local_object_storage/metabase/util.go
Alex Vanin 41578001e4 [#337] metabase: Keep container size estimation
Storage nodes keep container size estimation so they
can announce this info and hope for some basic income
settlements. This is also useful for monitoring.

Container size does not include non regular or inhumed
object sizes.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2021-01-29 11:04:30 +03:00

103 lines
3.1 KiB
Go

package meta
import (
"strings"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
)
/*
We might increase performance by not using string representation of
identities and addresses. String representation require base58 encoding that
slows execution. Instead we can try to marshal these structures directly into
bytes. Check it later.
*/
const invalidBase58String = "_"
var (
graveyardBucketName = []byte(invalidBase58String + "Graveyard")
toMoveItBucketName = []byte(invalidBase58String + "ToMoveIt")
containerVolumeBucketName = []byte(invalidBase58String + "ContainerSize")
zeroValue = []byte{0xFF}
smallPostfix = invalidBase58String + "small"
storageGroupPostfix = invalidBase58String + "SG"
tombstonePostfix = invalidBase58String + "TS"
ownerPostfix = invalidBase58String + "ownerid"
payloadHashPostfix = invalidBase58String + "payloadhash"
rootPostfix = invalidBase58String + "root"
parentPostfix = invalidBase58String + "parent"
splitPostfix = invalidBase58String + "splitid"
userAttributePostfix = invalidBase58String + "attr_"
splitInfoError *object.SplitInfoError // for errors.As comparisons
)
// primaryBucketName returns <CID>.
func primaryBucketName(cid *container.ID) []byte {
return []byte(cid.String())
}
// tombstoneBucketName returns <CID>_TS.
func tombstoneBucketName(cid *container.ID) []byte {
return []byte(cid.String() + tombstonePostfix)
}
// storageGroupBucketName returns <CID>_SG.
func storageGroupBucketName(cid *container.ID) []byte {
return []byte(cid.String() + storageGroupPostfix)
}
// smallBucketName returns <CID>_small.
func smallBucketName(cid *container.ID) []byte {
return []byte(cid.String() + smallPostfix) // consider caching output values
}
// attributeBucketName returns <CID>_attr_<attributeKey>.
func attributeBucketName(cid *container.ID, attributeKey string) []byte {
sb := strings.Builder{} // consider getting string builders from sync.Pool
sb.WriteString(cid.String())
sb.WriteString(userAttributePostfix)
sb.WriteString(attributeKey)
return []byte(sb.String())
}
// payloadHashBucketName returns <CID>_payloadhash.
func payloadHashBucketName(cid *container.ID) []byte {
return []byte(cid.String() + payloadHashPostfix)
}
// rootBucketName returns <CID>_root.
func rootBucketName(cid *container.ID) []byte {
return []byte(cid.String() + rootPostfix)
}
// ownerBucketName returns <CID>_ownerid.
func ownerBucketName(cid *container.ID) []byte {
return []byte(cid.String() + ownerPostfix)
}
// parentBucketName returns <CID>_parent.
func parentBucketName(cid *container.ID) []byte {
return []byte(cid.String() + parentPostfix)
}
// splitBucketName returns <CID>_splitid.
func splitBucketName(cid *container.ID) []byte {
return []byte(cid.String() + splitPostfix)
}
// addressKey returns key for K-V tables when key is a whole address.
func addressKey(addr *object.Address) []byte {
return []byte(addr.String())
}
// objectKey returns key for K-V tables when key is an object id.
func objectKey(oid *object.ID) []byte {
return []byte(oid.String())
}