92 lines
1.8 KiB
Go
92 lines
1.8 KiB
Go
package v2
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import (
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"strconv"
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"github.com/TrueCloudLab/frostfs-api-go/v2/acl"
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cid "github.com/TrueCloudLab/frostfs-sdk-go/container/id"
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eaclSDK "github.com/TrueCloudLab/frostfs-sdk-go/eacl"
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"github.com/TrueCloudLab/frostfs-sdk-go/object"
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oid "github.com/TrueCloudLab/frostfs-sdk-go/object/id"
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)
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type sysObjHdr struct {
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k, v string
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}
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func (s sysObjHdr) Key() string {
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return s.k
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}
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func (s sysObjHdr) Value() string {
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return s.v
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}
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func u64Value(v uint64) string {
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return strconv.FormatUint(v, 10)
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}
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func headersFromObject(obj *object.Object, cnr cid.ID, oid *oid.ID) []eaclSDK.Header {
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var count int
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for obj := obj; obj != nil; obj = obj.Parent() {
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count += 9 + len(obj.Attributes())
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}
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res := make([]eaclSDK.Header, 0, count)
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for ; obj != nil; obj = obj.Parent() {
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res = append(res,
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cidHeader(cnr),
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// creation epoch
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sysObjHdr{
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k: acl.FilterObjectCreationEpoch,
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v: u64Value(obj.CreationEpoch()),
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},
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// payload size
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sysObjHdr{
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k: acl.FilterObjectPayloadLength,
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v: u64Value(obj.PayloadSize()),
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},
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// object version
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sysObjHdr{
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k: acl.FilterObjectVersion,
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v: obj.Version().String(),
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},
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// object type
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sysObjHdr{
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k: acl.FilterObjectType,
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v: obj.Type().String(),
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},
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)
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if oid != nil {
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res = append(res, oidHeader(*oid))
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}
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if idOwner := obj.OwnerID(); idOwner != nil {
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res = append(res, ownerIDHeader(*idOwner))
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}
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cs, ok := obj.PayloadChecksum()
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if ok {
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res = append(res, sysObjHdr{
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k: acl.FilterObjectPayloadHash,
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v: cs.String(),
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})
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}
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cs, ok = obj.PayloadHomomorphicHash()
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if ok {
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res = append(res, sysObjHdr{
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k: acl.FilterObjectHomomorphicHash,
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v: cs.String(),
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})
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}
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attrs := obj.Attributes()
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for i := range attrs {
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res = append(res, &attrs[i]) // only pointer attrs can implement eaclSDK.Header interface
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}
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}
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return res
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}
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