[#315] control: Implement SetNetmapStatus on Server

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/services/control/server/server.go

@@ -29,6 +29,11 @@ type HealthChecker interface {
 	HealthStatus() control.HealthStatus
 }
 
+// NodeState is an interface of storage node network state.
+type NodeState interface {
+	SetNetmapStatus(control.NetmapStatus) error
+}
+
 // Option of the Server's constructor.
 type Option func(*cfg)
 
@@ -40,6 +45,8 @@ type cfg struct {
 	healthChecker HealthChecker
 
 	netMapSrc netmap.Source
+
+	nodeState NodeState
 }
 
 func defaultCfg() *cfg {
@@ -89,3 +96,10 @@ func WithNetMapSource(netMapSrc netmap.Source) Option {
 		c.netMapSrc = netMapSrc
 	}
 }
+
+// WithNodeState returns option to set node network state component.
+func WithNodeState(state NodeState) Option {
+	return func(c *cfg) {
+		c.nodeState = state
+	}
+}

pkg/services/control/server/set_netmap_status.go

@@ -0,0 +1,37 @@
+package control
+
+import (
+	"context"
+
+	"github.com/nspcc-dev/neofs-node/pkg/services/control"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+// SetNetmapStatus sets node status in NeoFS network.
+//
+// If request is unsigned or signed by disallowed key, permission error returns.
+func (s *Server) SetNetmapStatus(ctx context.Context, req *control.SetNetmapStatusRequest) (*control.SetNetmapStatusResponse, error) {
+	// verify request
+	if err := s.isValidRequest(req); err != nil {
+		return nil, status.Error(codes.PermissionDenied, err.Error())
+	}
+
+	// set node status
+	if err := s.nodeState.SetNetmapStatus(req.GetBody().GetStatus()); err != nil {
+		return nil, status.Error(codes.Aborted, err.Error())
+	}
+
+	// create and fill response
+	resp := new(control.SetNetmapStatusResponse)
+
+	body := new(control.SetNetmapStatusResponse_Body)
+	resp.SetBody(body)
+
+	// sign the response
+	if err := SignMessage(s.key, resp); err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return resp, nil
+}