frostfs-node/pkg/network/transport/netmap/grpc/service.go

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package grpc
import (
"context"
"github.com/nspcc-dev/neofs-api-go/v2/netmap"
netmapGRPC "github.com/nspcc-dev/neofs-api-go/v2/netmap/grpc"
netmapsvc "github.com/nspcc-dev/neofs-node/pkg/services/netmap"
)
// Server wraps NeoFS API Netmap service and
// provides gRPC Netmap service server interface.
type Server struct {
srv netmapsvc.Server
}
// New creates, initializes and returns Server instance.
func New(c netmapsvc.Server) *Server {
return &Server{
srv: c,
}
}
// LocalNodeInfo converts gRPC request message and passes it to internal netmap service.
func (s *Server) LocalNodeInfo(
ctx context.Context,
req *netmapGRPC.LocalNodeInfoRequest) (*netmapGRPC.LocalNodeInfoResponse, error) {
nodeInfoReq := new(netmap.LocalNodeInfoRequest)
if err := nodeInfoReq.FromGRPCMessage(req); err != nil {
return nil, err
}
resp, err := s.srv.LocalNodeInfo(ctx, nodeInfoReq)
if err != nil {
return nil, err
}
return resp.ToGRPCMessage().(*netmapGRPC.LocalNodeInfoResponse), 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) {
netInfoReq := new(netmap.NetworkInfoRequest)
if err := netInfoReq.FromGRPCMessage(req); err != nil {
return nil, err
}
resp, err := s.srv.NetworkInfo(ctx, netInfoReq)
if err != nil {
return nil, err
}
return resp.ToGRPCMessage().(*netmapGRPC.NetworkInfoResponse), nil
}
// NetmapSnapshot converts gRPC request message and passes it to internal netmap service.
func (s *Server) NetmapSnapshot(ctx context.Context, req *netmapGRPC.NetmapSnapshotRequest) (*netmapGRPC.NetmapSnapshotResponse, error) {
snapshotReq := new(netmap.SnapshotRequest)
if err := snapshotReq.FromGRPCMessage(req); err != nil {
return nil, err
}
resp, err := s.srv.Snapshot(ctx, snapshotReq)
if err != nil {
return nil, err
}
return resp.ToGRPCMessage().(*netmapGRPC.NetmapSnapshotResponse), nil
}