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[#339] services/netmap: Use dynamic node information

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Replace static NodeInfo structure with NodeState interface that provides
method to read node information in runtime.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-01-25 11:02:20 +03:00 committed by Alex Vanin
parent f83fbe1422
commit c77d346016
1 changed files with 20 additions and 7 deletions
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23
pkg/services/netmap/executor.go
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@ -9,27 +9,40 @@ import (
type executorSvc struct { type executorSvc struct {
version *pkg.Version version *pkg.Version
localNodeInfo *netmap.NodeInfo state NodeState
} }
func NewExecutionService(ni *netmap.NodeInfo, v *pkg.Version) netmap.Service { // NodeState encapsulates information
if ni == nil || v == nil { // about current node state.
type NodeState interface {
// Must return current node state
// in NeoFS API v2 NodeInfo structure.
LocalNodeInfo() (*netmap.NodeInfo, error)
}
func NewExecutionService(s NodeState, v *pkg.Version) netmap.Service {
if s == nil || v == nil {
// this should never happen, otherwise it programmers bug // this should never happen, otherwise it programmers bug
panic("can't create netmap execution service") panic("can't create netmap execution service")
} }
return &executorSvc{ return &executorSvc{
version: v, version: v,
localNodeInfo: ni, state: s,
} }
} }
func (s *executorSvc) LocalNodeInfo( func (s *executorSvc) LocalNodeInfo(
_ context.Context, _ context.Context,
_ *netmap.LocalNodeInfoRequest) (*netmap.LocalNodeInfoResponse, error) { _ *netmap.LocalNodeInfoRequest) (*netmap.LocalNodeInfoResponse, error) {
ni, err := s.state.LocalNodeInfo()
if err != nil {
return nil, err
}
body := new(netmap.LocalNodeInfoResponseBody) body := new(netmap.LocalNodeInfoResponseBody)
body.SetVersion(s.version.ToV2()) body.SetVersion(s.version.ToV2())
body.SetNodeInfo(s.localNodeInfo) body.SetNodeInfo(ni)
resp := new(netmap.LocalNodeInfoResponse) resp := new(netmap.LocalNodeInfoResponse)
resp.SetBody(body) resp.SetBody(body)