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[#1386] eacl/v2: Do not allocate intermediate slices for XHeaders

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2022-05-17 16:44:35 +03:00 committed by LeL
parent 915f87959e
commit 63cdc16088
1 changed files with 10 additions and 21 deletions
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31
pkg/services/object/acl/eacl/v2/xheader.go
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@ -1,7 +1,6 @@
package v2 package v2
import ( import (
"github.com/nspcc-dev/neofs-api-go/v2/session"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl" eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
sessionSDK "github.com/nspcc-dev/neofs-sdk-go/session" sessionSDK "github.com/nspcc-dev/neofs-sdk-go/session"
) )
@ -22,21 +21,16 @@ type responseXHeaderSource struct {
func (s requestXHeaderSource) GetXHeaders() []eaclSDK.Header { func (s requestXHeaderSource) GetXHeaders() []eaclSDK.Header {
ln := 0 ln := 0
xHdrs := make([][]session.XHeader, 0)
for meta := s.req.GetMetaHeader(); meta != nil; meta = meta.GetOrigin() { for meta := s.req.GetMetaHeader(); meta != nil; meta = meta.GetOrigin() {
x := meta.GetXHeaders() ln += len(meta.GetXHeaders())
ln += len(x)
xHdrs = append(xHdrs, x)
} }
res := make([]eaclSDK.Header, 0, ln) res := make([]eaclSDK.Header, 0, ln)
for meta := s.req.GetMetaHeader(); meta != nil; meta = meta.GetOrigin() {
for i := range xHdrs { x := meta.GetXHeaders()
for j := range xHdrs[i] { for i := range x {
res = append(res, sessionSDK.NewXHeaderFromV2(&xHdrs[i][j])) res = append(res, sessionSDK.NewXHeaderFromV2(&x[i]))
} }
} }
@ -45,21 +39,16 @@ func (s requestXHeaderSource) GetXHeaders() []eaclSDK.Header {
func (s responseXHeaderSource) GetXHeaders() []eaclSDK.Header { func (s responseXHeaderSource) GetXHeaders() []eaclSDK.Header {
ln := 0 ln := 0
xHdrs := make([][]session.XHeader, 0)
for meta := s.req.GetMetaHeader(); meta != nil; meta = meta.GetOrigin() { for meta := s.req.GetMetaHeader(); meta != nil; meta = meta.GetOrigin() {
x := meta.GetXHeaders() ln += len(meta.GetXHeaders())
ln += len(x)
xHdrs = append(xHdrs, x)
} }
res := make([]eaclSDK.Header, 0, ln) res := make([]eaclSDK.Header, 0, ln)
for meta := s.req.GetMetaHeader(); meta != nil; meta = meta.GetOrigin() {
for i := range xHdrs { x := meta.GetXHeaders()
for j := range xHdrs[i] { for i := range x {
res = append(res, sessionSDK.NewXHeaderFromV2(&xHdrs[i][j])) res = append(res, sessionSDK.NewXHeaderFromV2(&x[i]))
} }
} }