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[#398] cmd/node: Serve NetmapService.NetworkInfo RPC

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Implement `NetworkInfo` calls on full stack of Netmap services. Current
epoch is read from node local state, magic number is read via `MagicNumber`
call of morph client.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-02-19 11:01:37 +03:00 • committed by Alex Vanin
parent 4c8d29ce46
commit 9073e198b9
7 changed files with 107 additions and 13 deletions
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32
pkg/services/netmap/executor.go
View file

@ -10,6 +10,8 @@ import (
type executorSvc struct {
version *pkg.Version
state NodeState
netInfo NetworkInfo
}
// NodeState encapsulates information
@ -20,8 +22,16 @@ type NodeState interface {
LocalNodeInfo() (*netmap.NodeInfo, error)
}
func NewExecutionService(s NodeState, v *pkg.Version) netmap.Service {
if s == nil || v == nil {
// NetworkInfo encapsulates source of the
// recent information about the NeoFS network.
type NetworkInfo interface {
// Must return recent network information.
// in NeoFS API v2 NetworkInfo structure.
Dump() (*netmap.NetworkInfo, error)
}
func NewExecutionService(s NodeState, v *pkg.Version, netInfo NetworkInfo) netmap.Service {
if s == nil || v == nil || netInfo == nil {
// this should never happen, otherwise it programmers bug
panic("can't create netmap execution service")
}
@ -29,6 +39,7 @@ func NewExecutionService(s NodeState, v *pkg.Version) netmap.Service {
return &executorSvc{
version: v,
state: s,
netInfo: netInfo,
}
}
@ -49,3 +60,20 @@ func (s *executorSvc) LocalNodeInfo(
return resp, nil
}
func (s *executorSvc) NetworkInfo(
_ context.Context,
_ *netmap.NetworkInfoRequest) (*netmap.NetworkInfoResponse, error) {
ni, err := s.netInfo.Dump()
if err != nil {
return nil, err
}
body := new(netmap.NetworkInfoResponseBody)
body.SetNetworkInfo(ni)
resp := new(netmap.NetworkInfoResponse)
resp.SetBody(body)
return resp, nil
}