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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 102 additions and 11 deletions
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42
cmd/neofs-node/netmap.go
View file

@ -3,9 +3,11 @@ package main
import (
"bytes"
"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
netmapSDK "github.com/nspcc-dev/neofs-api-go/pkg/netmap"
netmapV2 "github.com/nspcc-dev/neofs-api-go/v2/netmap"
netmapGRPC "github.com/nspcc-dev/neofs-api-go/v2/netmap/grpc"
crypto "github.com/nspcc-dev/neofs-crypto"
"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
netmapEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
netmapTransportGRPC "github.com/nspcc-dev/neofs-node/pkg/network/transport/netmap/grpc"
@ -36,14 +38,18 @@ func (s *networkState) setCurrentEpoch(v uint64) {
}
func initNetmapService(c *cfg) {
peerInfo := new(netmap.NodeInfo)
peerInfo := new(netmapSDK.NodeInfo)
peerInfo.SetAddress(c.localAddr.String())
peerInfo.SetPublicKey(crypto.MarshalPublicKey(&c.key.PublicKey))
peerInfo.SetAttributes(c.cfgNodeInfo.attributes...)
peerInfo.SetState(netmap.NodeStateOffline)
peerInfo.SetState(netmapSDK.NodeStateOffline)
c.handleLocalNodeInfo(peerInfo)
if c.cfgMorph.client == nil {
initMorphComponents(c)
}
netmapGRPC.RegisterNetmapServiceServer(c.cfgGRPC.server,
netmapTransportGRPC.New(
netmapService.NewSignService(
@ -52,6 +58,10 @@ func initNetmapService(c *cfg) {
netmapService.NewExecutionService(
c,
c.apiVersion,
&netInfo{
netState: c.cfgNetmap.state,
magic: c.cfgMorph.client,
},
),
c.respSvc,
),
@ -137,7 +147,7 @@ func initState(c *cfg) {
c.cfgNetmap.state.setCurrentEpoch(epoch)
}
func (c *cfg) netmapLocalNodeState(epoch uint64) (*netmap.NodeInfo, error) {
func (c *cfg) netmapLocalNodeState(epoch uint64) (*netmapSDK.NodeInfo, error) {
// calculate current network state
nm, err := c.cfgNetmap.wrapper.GetNetMapByEpoch(epoch)
if err != nil {
@ -147,7 +157,7 @@ func (c *cfg) netmapLocalNodeState(epoch uint64) (*netmap.NodeInfo, error) {
return c.localNodeInfoFromNetmap(nm), nil
}
func (c *cfg) localNodeInfoFromNetmap(nm *netmap.Netmap) *netmap.NodeInfo {
func (c *cfg) localNodeInfoFromNetmap(nm *netmapSDK.Netmap) *netmapSDK.NodeInfo {
for _, n := range nm.Nodes {
if bytes.Equal(n.PublicKey(), crypto.MarshalPublicKey(&c.key.PublicKey)) {
return n.NodeInfo
@ -164,7 +174,7 @@ func addNewEpochNotificationHandler(c *cfg, h event.Handler) {
func goOffline(c *cfg) {
err := c.cfgNetmap.wrapper.UpdatePeerState(
crypto.MarshalPublicKey(&c.key.PublicKey),
netmap.NodeStateOffline,
netmapSDK.NodeStateOffline,
)
if err != nil {
@ -181,10 +191,10 @@ func (c *cfg) SetNetmapStatus(st control.NetmapStatus) error {
return c.cfgNetmap.wrapper.AddPeer(c.toOnlineLocalNodeInfo())
}
var apiState netmap.NodeState
var apiState netmapSDK.NodeState
if st == control.NetmapStatus_OFFLINE {
apiState = netmap.NodeStateOffline
apiState = netmapSDK.NodeStateOffline
}
return c.cfgNetmap.wrapper.UpdatePeerState(
@ -192,3 +202,19 @@ func (c *cfg) SetNetmapStatus(st control.NetmapStatus) error {
apiState,
)
}
type netInfo struct {
netState netmap.State
magic interface {
MagicNumber() uint64
}
}
func (n *netInfo) Dump() (*netmapV2.NetworkInfo, error) {
ni := new(netmapV2.NetworkInfo)
ni.SetCurrentEpoch(n.netState.CurrentEpoch())
ni.SetMagicNumber(n.magic.MagicNumber())
return ni, nil
}

2
go.mod
View file

@ -16,7 +16,7 @@ require (
github.com/multiformats/go-multihash v0.0.13 // indirect
github.com/nspcc-dev/hrw v1.0.9
github.com/nspcc-dev/neo-go v0.93.0
github.com/nspcc-dev/neofs-api-go v1.23.0
github.com/nspcc-dev/neofs-api-go v1.23.1-0.20210219132553-e2b0887be93d
github.com/nspcc-dev/neofs-crypto v0.3.0
github.com/nspcc-dev/tzhash v1.4.0
github.com/panjf2000/ants/v2 v2.3.0

BIN
go.sum
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Binary file not shown.

11
pkg/network/transport/netmap/grpc/service.go
View file

@ -32,3 +32,14 @@ func (s *Server) LocalNodeInfo(
return netmap.LocalNodeInfoResponseToGRPCMessage(resp), nil
}
// NetworkInfo converts gRPC request message and passes it to internal netmap service.
func (s *Server) NetworkInfo(ctx context.Context, req *netmapGRPC.NetworkInfoRequest) (*netmapGRPC.NetworkInfoResponse, error) {
resp, err := s.srv.NetworkInfo(ctx, netmap.NetworkInfoRequestFromGRPCMessage(req))
if err != nil {
// TODO: think about how we transport errors through gRPC
return nil, err
}
return netmap.NetworkInfoResponseToGRPCMessage(resp), nil
}

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
}

13
pkg/services/netmap/response.go
View file

@ -35,3 +35,16 @@ func (s *responseService) LocalNodeInfo(ctx context.Context, req *netmap.LocalNo
return resp.(*netmap.LocalNodeInfoResponse), nil
}
func (s *responseService) NetworkInfo(ctx context.Context, req *netmap.NetworkInfoRequest) (*netmap.NetworkInfoResponse, error) {
resp, err := s.respSvc.HandleUnaryRequest(ctx, req,
func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
return s.svc.NetworkInfo(ctx, req.(*netmap.NetworkInfoRequest))
},
)
if err != nil {
return nil, err
}
return resp.(*netmap.NetworkInfoResponse), nil
}

13
pkg/services/netmap/sign.go
View file

@ -35,3 +35,16 @@ func (s *signService) LocalNodeInfo(
return resp.(*netmap.LocalNodeInfoResponse), nil
}
func (s *signService) NetworkInfo(ctx context.Context, req *netmap.NetworkInfoRequest) (*netmap.NetworkInfoResponse, error) {
resp, err := s.sigSvc.HandleUnaryRequest(ctx, req,
func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
return s.svc.NetworkInfo(ctx, req.(*netmap.NetworkInfoRequest))
},
)
if err != nil {
return nil, err
}
return resp.(*netmap.NetworkInfoResponse), nil
}