frostfs-node/pkg/services/util/response/service.go

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package response
import (
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/version"
)
// Service represents universal v2 service
// that sets response meta header values.
type Service struct {
version refs.Version
state netmap.State
}
// NewService creates, initializes and returns Service instance.
func NewService(nmState netmap.State) *Service {
s := &Service{state: nmState}
version.Current().WriteToV2(&s.version)
return s
}
// SetMeta sets adds meta-header to resp.
func (s *Service) SetMeta(resp util.ResponseMessage) {
meta := new(session.ResponseMetaHeader)
meta.SetVersion(&s.version)
meta.SetTTL(1) // FIXME: #1160 TTL must be calculated
meta.SetEpoch(s.state.CurrentEpoch())
if origin := resp.GetMetaHeader(); origin != nil {
// FIXME: #1160 what if origin is set by local server?
meta.SetOrigin(origin)
}
resp.SetMetaHeader(meta)
}