frostfs-node/cmd/neofs-node/config.go

package main

import (
	"context"
	"crypto/ecdsa"
	"errors"
	"net"
	"os"
	"path"
	"strconv"
	"strings"
	"sync"
	"time"

	"github.com/nspcc-dev/neo-go/pkg/util"
	"github.com/nspcc-dev/neofs-api-go/pkg"
	"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
	netmapV2 "github.com/nspcc-dev/neofs-api-go/v2/netmap"
	crypto "github.com/nspcc-dev/neofs-crypto"
	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
	loggerconfig "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/logger"
	"github.com/nspcc-dev/neofs-node/misc"
	"github.com/nspcc-dev/neofs-node/pkg/core/container"
	netmapCore "github.com/nspcc-dev/neofs-node/pkg/core/netmap"
	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/writecache"
	"github.com/nspcc-dev/neofs-node/pkg/metrics"
	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
	cntwrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/container/wrapper"
	nmwrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap/wrapper"
	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
	netmap2 "github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
	"github.com/nspcc-dev/neofs-node/pkg/morph/timer"
	"github.com/nspcc-dev/neofs-node/pkg/network"
	"github.com/nspcc-dev/neofs-node/pkg/services/control"
	trustcontroller "github.com/nspcc-dev/neofs-node/pkg/services/reputation/local/controller"
	truststorage "github.com/nspcc-dev/neofs-node/pkg/services/reputation/local/storage"
	tokenStorage "github.com/nspcc-dev/neofs-node/pkg/services/session/storage"
	"github.com/nspcc-dev/neofs-node/pkg/services/util/response"
	util2 "github.com/nspcc-dev/neofs-node/pkg/util"
	"github.com/nspcc-dev/neofs-node/pkg/util/logger"
	"github.com/panjf2000/ants/v2"
	"github.com/spf13/viper"
	"go.etcd.io/bbolt"
	"go.uber.org/atomic"
	"go.uber.org/zap"
	"google.golang.org/grpc"
)

const (
	// logger keys
	cfgLogLevel = "logger.level"

	// pprof keys
	cfgProfilerAddr            = "profiler.address"
	cfgProfilerShutdownTimeout = "profiler.shutdown_timeout"

	// metrics keys
	cfgMetricsAddr            = "metrics.address"
	cfgMetricsShutdownTimeout = "metrics.shutdown_timeout"

	// config keys for cfgNodeInfo
	cfgNodeKey             = "node.key"
	cfgBootstrapAddress    = "node.address"
	cfgNodeAttributePrefix = "node.attribute"
	cfgNodeRelay           = "node.relay"

	// config keys for cfgGRPC
	cfgListenAddress = "grpc.endpoint"
	cfgTLSEnabled    = "grpc.tls.enabled"
	cfgTLSCertFile   = "grpc.tls.certificate"
	cfgTLSKeyFile    = "grpc.tls.key"

	// config keys for API client cache
	cfgAPIClientDialTimeout = "apiclient.dial_timeout"

	// config keys for cfgMorph
	cfgMorphRPCAddress = "morph.rpc_endpoint"

	cfgMorphNotifyRPCAddress  = "morph.notification_endpoint"
	cfgMorphNotifyDialTimeout = "morph.dial_timeout"

	cfgMainChainRPCAddress  = "mainchain.rpc_endpoint"
	cfgMainChainDialTimeout = "mainchain.dial_timeout"

	// config keys for cfgAccounting
	cfgAccountingContract = "accounting.scripthash"

	// config keys for cfgNetmap
	cfgNetmapContract = "netmap.scripthash"

	// config keys for cfgContainer
	cfgContainerContract = "container.scripthash"

	// config keys for cfgReputation
	cfgReputationContract = "reputation.scripthash"

	cfgPolicerHeadTimeout = "policer.head_timeout"

	cfgReplicatorPutTimeout = "replicator.put_timeout"

	cfgObjectPutPoolSize = "object.put.pool_size"
)

const (
	cfgLocalStorageSection = "storage"
	cfgStorageShardSection = "shard"

	cfgShardUseWriteCache = "use_write_cache"

	cfgBlobStorSection      = "blobstor"
	cfgWriteCacheSection    = "writecache"
	cfgWriteCacheMemSize    = "mem_size"
	cfgWriteCacheDBSize     = "db_size"
	cfgWriteCacheSmallSize  = "small_size"
	cfgWriteCacheMaxSize    = "max_size"
	cfgWriteCacheWrkCount   = "workers_count"
	cfgBlobStorCompress     = "compress"
	cfgBlobStorShallowDepth = "shallow_depth"
	cfgBlobStorTreePath     = "path"
	cfgBlobStorTreePerm     = "perm"
	cfgBlobStorSmallSzLimit = "small_size_limit"

	cfgBlobStorBlzSection = "blobovnicza"
	cfgBlzSize            = "size"
	cfgBlzShallowDepth    = "shallow_depth"
	cfgBlzShallowWidth    = "shallow_width"
	cfgBlzOpenedCacheSize = "opened_cache_size"

	cfgMetaBaseSection = "metabase"
	cfgMetaBasePath    = "path"
	cfgMetaBasePerm    = "perm"

	cfgGCSection          = "gc"
	cfgGCRemoverBatchSize = "remover_batch_size"
	cfgGCRemoverSleepInt  = "remover_sleep_interval"
)

const (
	addressSize = 72 // 32 bytes oid, 32 bytes cid, 8 bytes protobuf encoding
)

const maxMsgSize = 4 << 20 // transport msg limit 4 MiB

// capacity of the pools of the morph notification handlers
// for each contract listener.
const notificationHandlerPoolSize = 10

type cfg struct {
	ctx context.Context

	ctxCancel func()

	internalErr chan error // channel for internal application errors at runtime

	viper *viper.Viper

	log *zap.Logger

	wg *sync.WaitGroup

	key *ecdsa.PrivateKey

	apiVersion *pkg.Version

	cfgGRPC cfgGRPC

	cfgMorph cfgMorph

	cfgAccounting cfgAccounting

	cfgContainer cfgContainer

	cfgNetmap cfgNetmap

	privateTokenStore *tokenStorage.TokenStore

	cfgNodeInfo cfgNodeInfo

	localAddr *network.Address

	cfgObject cfgObject

	metricsCollector *metrics.StorageMetrics

	workers []worker

	respSvc *response.Service

	cfgControlService cfgControlService

	netStatus *atomic.Int32

	healthStatus *atomic.Int32

	closers []func()

	cfgReputation cfgReputation

	mainChainClient *client.Client
}

type cfgGRPC struct {
	listener net.Listener

	server *grpc.Server

	maxChunkSize uint64

	maxAddrAmount uint64

	tlsEnabled  bool
	tlsCertFile string
	tlsKeyFile  string
}

type cfgMorph struct {
	client *client.Client

	blockTimers     []*timer.BlockTimer // all combined timers
	eigenTrustTimer *timer.BlockTimer   // timer for EigenTrust iterations
}

type cfgAccounting struct {
	scriptHash util.Uint160
}

type cfgContainer struct {
	scriptHash util.Uint160

	parsers     map[event.Type]event.Parser
	subscribers map[event.Type][]event.Handler
	workerPool  util2.WorkerPool // pool for asynchronous handlers
}

type cfgNetmap struct {
	scriptHash util.Uint160
	wrapper    *nmwrapper.Wrapper

	parsers map[event.Type]event.Parser

	subscribers map[event.Type][]event.Handler
	workerPool  util2.WorkerPool // pool for asynchronous handlers

	state *networkState

	reBootstrapEnabled  bool
	reBoostrapTurnedOff *atomic.Bool // managed by control service in runtime
	startEpoch          uint64       // epoch number when application is started
}

type BootstrapType uint32

type cfgNodeInfo struct {
	// values from config
	bootType   BootstrapType
	attributes []*netmap.NodeAttribute

	// values at runtime
	infoMtx sync.RWMutex
	info    netmap.NodeInfo
}

type cfgObject struct {
	netMapStorage netmapCore.Source

	cnrStorage container.Source

	cnrClient *cntwrapper.Wrapper

	pool cfgObjectRoutines

	cfgLocalStorage cfgLocalStorage
}

type cfgLocalStorage struct {
	localStorage *engine.StorageEngine

	shardOpts [][]shard.Option
}

type cfgObjectRoutines struct {
	put *ants.Pool
}

type cfgControlService struct {
	server *grpc.Server
}

type cfgReputation struct {
	workerPool util2.WorkerPool // pool for EigenTrust algorithm's iterations

	localTrustStorage *truststorage.Storage

	localTrustCtrl *trustcontroller.Controller

	scriptHash util.Uint160
}

const (
	_ BootstrapType = iota
	StorageNode
	RelayNode
)

func initCfg(path string) *cfg {
	var p config.Prm

	appCfg := config.New(p,
		config.WithConfigFile(path),
	)

	viperCfg := initViper(path)

	key, err := crypto.LoadPrivateKey(viperCfg.GetString(cfgNodeKey))
	fatalOnErr(err)

	u160Accounting, err := util.Uint160DecodeStringLE(
		viperCfg.GetString(cfgAccountingContract))
	fatalOnErr(err)

	u160Netmap, err := util.Uint160DecodeStringLE(
		viperCfg.GetString(cfgNetmapContract))
	fatalOnErr(err)

	u160Container, err := util.Uint160DecodeStringLE(
		viperCfg.GetString(cfgContainerContract))
	fatalOnErr(err)

	u160Reputation, err := util.Uint160DecodeStringLE(
		viperCfg.GetString(cfgReputationContract))
	fatalOnErr(err)

	var logPrm logger.Prm

	err = logPrm.SetLevelString(
		loggerconfig.Level(appCfg),
	)
	fatalOnErr(err)

	log, err := logger.NewLogger(logPrm)
	fatalOnErr(err)

	netAddr, err := network.AddressFromString(viperCfg.GetString(cfgBootstrapAddress))
	fatalOnErr(err)

	maxChunkSize := uint64(maxMsgSize) * 3 / 4          // 25% to meta, 75% to payload
	maxAddrAmount := uint64(maxChunkSize) / addressSize // each address is about 72 bytes

	var (
		tlsEnabled  bool
		tlsCertFile string
		tlsKeyFile  string
	)

	if viperCfg.GetBool(cfgTLSEnabled) {
		tlsEnabled = true
		tlsCertFile = viperCfg.GetString(cfgTLSCertFile)
		tlsKeyFile = viperCfg.GetString(cfgTLSKeyFile)
	}

	if tlsEnabled {
		netAddr.AddTLS()
	}

	state := newNetworkState()

	containerWorkerPool, err := ants.NewPool(notificationHandlerPoolSize)
	fatalOnErr(err)

	netmapWorkerPool, err := ants.NewPool(notificationHandlerPoolSize)
	fatalOnErr(err)

	reputationWorkerPool, err := ants.NewPool(notificationHandlerPoolSize)
	fatalOnErr(err)

	relayOnly := viperCfg.GetBool(cfgNodeRelay)

	c := &cfg{
		ctx:         context.Background(),
		internalErr: make(chan error),
		viper:       viperCfg,
		log:         log,
		wg:          new(sync.WaitGroup),
		key:         key,
		apiVersion:  pkg.SDKVersion(),
		cfgAccounting: cfgAccounting{
			scriptHash: u160Accounting,
		},
		cfgContainer: cfgContainer{
			scriptHash: u160Container,
			workerPool: containerWorkerPool,
		},
		cfgNetmap: cfgNetmap{
			scriptHash:          u160Netmap,
			state:               state,
			workerPool:          netmapWorkerPool,
			reBootstrapEnabled:  !relayOnly,
			reBoostrapTurnedOff: atomic.NewBool(relayOnly),
		},
		cfgNodeInfo: cfgNodeInfo{
			bootType:   StorageNode,
			attributes: parseAttributes(viperCfg),
		},
		cfgGRPC: cfgGRPC{
			maxChunkSize:  maxChunkSize,
			maxAddrAmount: maxAddrAmount,
			tlsEnabled:    tlsEnabled,
			tlsCertFile:   tlsCertFile,
			tlsKeyFile:    tlsKeyFile,
		},
		localAddr: netAddr,
		respSvc: response.NewService(
			response.WithNetworkState(state),
		),
		cfgObject: cfgObject{
			pool: initObjectPool(viperCfg),
		},
		netStatus:    atomic.NewInt32(int32(control.NetmapStatus_STATUS_UNDEFINED)),
		healthStatus: atomic.NewInt32(int32(control.HealthStatus_HEALTH_STATUS_UNDEFINED)),
		cfgReputation: cfgReputation{
			scriptHash: u160Reputation,
			workerPool: reputationWorkerPool,
		},
	}

	if c.viper.GetString(cfgMetricsAddr) != "" {
		c.metricsCollector = metrics.NewStorageMetrics()
	}

	initLocalStorage(c)

	return c
}

func initViper(path string) *viper.Viper {
	v := viper.New()

	v.SetEnvPrefix(misc.Prefix)
	v.AutomaticEnv()
	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))

	defaultConfiguration(v)

	if path != "" {
		v.SetConfigFile(path)
		v.SetConfigType("yml")
		fatalOnErr(v.ReadInConfig())
	}

	return v
}

func defaultConfiguration(v *viper.Viper) {
	v.SetDefault(cfgNodeKey, "")          // node key
	v.SetDefault(cfgBootstrapAddress, "") // announced address of the node
	v.SetDefault(cfgNodeRelay, false)

	v.SetDefault(cfgMorphRPCAddress, []string{})
	v.SetDefault(cfgMorphNotifyRPCAddress, []string{})
	v.SetDefault(cfgMorphNotifyDialTimeout, 5*time.Second)

	v.SetDefault(cfgListenAddress, "127.0.0.1:50501") // listen address
	v.SetDefault(cfgTLSEnabled, false)
	v.SetDefault(cfgTLSCertFile, "")
	v.SetDefault(cfgTLSKeyFile, "")

	v.SetDefault(cfgAPIClientDialTimeout, 5*time.Second)

	v.SetDefault(cfgAccountingContract, "")

	v.SetDefault(cfgContainerContract, "")

	v.SetDefault(cfgNetmapContract, "")

	v.SetDefault(cfgLogLevel, "info")

	v.SetDefault(cfgProfilerShutdownTimeout, "30s")

	v.SetDefault(cfgMetricsShutdownTimeout, "30s")

	v.SetDefault(cfgPolicerHeadTimeout, 5*time.Second)

	v.SetDefault(cfgReplicatorPutTimeout, 5*time.Second)

	v.SetDefault(cfgObjectPutPoolSize, 10)

	v.SetDefault(cfgCtrlSvcAuthorizedKeys, []string{})
}

func (c *cfg) LocalAddress() *network.Address {
	return c.localAddr
}

func initLocalStorage(c *cfg) {
	initShardOptions(c)

	engineOpts := []engine.Option{engine.WithLogger(c.log)}
	if c.metricsCollector != nil {
		engineOpts = append(engineOpts, engine.WithMetrics(c.metricsCollector))
	}

	ls := engine.New(engineOpts...)

	for _, opts := range c.cfgObject.cfgLocalStorage.shardOpts {
		id, err := ls.AddShard(opts...)
		fatalOnErr(err)

		c.log.Info("shard attached to engine",
			zap.Stringer("id", id),
		)
	}

	c.cfgObject.cfgLocalStorage.localStorage = ls

	c.onShutdown(func() {
		c.log.Info("closing components of the storage engine...")

		err := ls.Close()
		if err != nil {
			c.log.Info("storage engine closing failure",
				zap.String("error", err.Error()),
			)
		} else {
			c.log.Info("all components of the storage engine closed successfully")
		}
	})
}

func initShardOptions(c *cfg) {
	var opts [][]shard.Option

	for i := 0; ; i++ {
		prefix := configPath(
			cfgLocalStorageSection,
			cfgStorageShardSection,
			strconv.Itoa(i),
		)

		useCache := c.viper.GetBool(
			configPath(prefix, cfgShardUseWriteCache),
		)

		writeCachePrefix := configPath(prefix, cfgWriteCacheSection)

		writeCachePath := c.viper.GetString(
			configPath(writeCachePrefix, cfgBlobStorTreePath),
		)
		if useCache && writeCachePath == "" {
			c.log.Warn("incorrect writeCache path, ignore shard")
			break
		}
		writeCacheMemSize := c.viper.GetUint64(configPath(writeCachePrefix, cfgWriteCacheMemSize))
		writeCacheDBSize := c.viper.GetUint64(configPath(writeCachePrefix, cfgWriteCacheDBSize))
		writeCacheSmallSize := c.viper.GetUint64(configPath(writeCachePrefix, cfgWriteCacheSmallSize))
		writeCacheMaxSize := c.viper.GetUint64(configPath(writeCachePrefix, cfgWriteCacheMaxSize))
		writeCacheWrkCount := c.viper.GetInt(configPath(writeCachePrefix, cfgWriteCacheWrkCount))

		blobPrefix := configPath(prefix, cfgBlobStorSection)

		blobPath := c.viper.GetString(
			configPath(blobPrefix, cfgBlobStorTreePath),
		)
		if blobPath == "" {
			c.log.Warn("incorrect blobStor path, ignore shard")
			break
		}

		compressObjects := c.viper.GetBool(
			configPath(blobPrefix, cfgBlobStorCompress),
		)

		blobPerm := os.FileMode(c.viper.GetInt(
			configPath(blobPrefix, cfgBlobStorTreePerm),
		))

		shallowDepth := c.viper.GetInt(
			configPath(blobPrefix, cfgBlobStorShallowDepth),
		)

		smallSzLimit := c.viper.GetUint64(
			configPath(blobPrefix, cfgBlobStorSmallSzLimit),
		)
		if smallSzLimit == 0 {
			smallSzLimit = 1 << 20 // 1MB
		}
		if writeCacheMaxSize <= 0 {
			writeCacheSmallSize = smallSzLimit
		}

		blzPrefix := configPath(blobPrefix, cfgBlobStorBlzSection)

		blzSize := c.viper.GetUint64(
			configPath(blzPrefix, cfgBlzSize),
		)
		if blzSize == 0 {
			blzSize = 1 << 30 // 1 GB
		}

		blzShallowDepth := c.viper.GetUint64(
			configPath(blzPrefix, cfgBlzShallowDepth),
		)

		blzShallowWidth := c.viper.GetUint64(
			configPath(blzPrefix, cfgBlzShallowWidth),
		)

		blzCacheSize := c.viper.GetInt(
			configPath(blzPrefix, cfgBlzOpenedCacheSize),
		)

		metaPrefix := configPath(prefix, cfgMetaBaseSection)

		metaPath := c.viper.GetString(
			configPath(metaPrefix, cfgMetaBasePath),
		)

		metaPerm := os.FileMode(c.viper.GetUint32(
			configPath(metaPrefix, cfgMetaBasePerm),
		))

		fatalOnErr(os.MkdirAll(path.Dir(metaPath), metaPerm))

		gcPrefix := configPath(prefix, cfgGCSection)

		rmBatchSize := c.viper.GetInt(
			configPath(gcPrefix, cfgGCRemoverBatchSize),
		)

		rmSleepInterval := c.viper.GetDuration(
			configPath(gcPrefix, cfgGCRemoverSleepInt),
		)

		opts = append(opts, []shard.Option{
			shard.WithLogger(c.log),
			shard.WithBlobStorOptions(
				blobstor.WithRootPath(blobPath),
				blobstor.WithCompressObjects(compressObjects, c.log),
				blobstor.WithRootPerm(blobPerm),
				blobstor.WithShallowDepth(shallowDepth),
				blobstor.WithSmallSizeLimit(smallSzLimit),
				blobstor.WithBlobovniczaSize(blzSize),
				blobstor.WithBlobovniczaShallowDepth(blzShallowDepth),
				blobstor.WithBlobovniczaShallowWidth(blzShallowWidth),
				blobstor.WithBlobovniczaOpenedCacheSize(blzCacheSize),
				blobstor.WithLogger(c.log),
			),
			shard.WithMetaBaseOptions(
				meta.WithLogger(c.log),
				meta.WithPath(metaPath),
				meta.WithPermissions(metaPerm),
				meta.WithBoltDBOptions(&bbolt.Options{
					Timeout: 100 * time.Millisecond,
				}),
			),
			shard.WithWriteCache(useCache),
			shard.WithWriteCacheOptions(
				writecache.WithPath(writeCachePath),
				writecache.WithLogger(c.log),
				writecache.WithMaxMemSize(writeCacheMemSize),
				writecache.WithMaxObjectSize(writeCacheMaxSize),
				writecache.WithSmallObjectSize(writeCacheSmallSize),
				writecache.WithMaxDBSize(writeCacheDBSize),
				writecache.WithFlushWorkersCount(writeCacheWrkCount),
			),
			shard.WithRemoverBatchSize(rmBatchSize),
			shard.WithGCRemoverSleepInterval(rmSleepInterval),
			shard.WithGCWorkerPoolInitializer(func(sz int) util2.WorkerPool {
				pool, err := ants.NewPool(sz)
				fatalOnErr(err)

				return pool
			}),
			shard.WithGCEventChannelInitializer(func() <-chan shard.Event {
				ch := make(chan shard.Event)

				addNewEpochNotificationHandler(c, func(ev event.Event) {
					ch <- shard.EventNewEpoch(ev.(netmap2.NewEpoch).EpochNumber())
				})

				return ch
			}),
		})

		c.log.Info("storage shard options",
			zap.Bool("with write cache", useCache),
			zap.String("with write cache path", writeCachePath),
			zap.String("BLOB path", blobPath),
			zap.Stringer("BLOB permissions", blobPerm),
			zap.Bool("BLOB compress", compressObjects),
			zap.Int("BLOB shallow depth", shallowDepth),
			zap.Uint64("BLOB small size limit", smallSzLimit),
			zap.String("metabase path", metaPath),
			zap.Stringer("metabase permissions", metaPerm),
			zap.Int("GC remover batch size", rmBatchSize),
			zap.Duration("GC remover sleep interval", rmSleepInterval),
		)
	}

	if len(opts) == 0 {
		fatalOnErr(errors.New("no correctly set up shards, exit"))
	}

	c.cfgObject.cfgLocalStorage.shardOpts = opts
}

func configPath(sections ...string) string {
	return strings.Join(sections, ".")
}

func initObjectPool(cfg *viper.Viper) (pool cfgObjectRoutines) {
	var err error

	optNonBlocking := ants.WithNonblocking(true)

	pool.put, err = ants.NewPool(cfg.GetInt(cfgObjectPutPoolSize), optNonBlocking)
	if err != nil {
		fatalOnErr(err)
	}

	return pool
}

func (c *cfg) LocalNodeInfo() (*netmapV2.NodeInfo, error) {
	ni := c.localNodeInfo()
	return ni.ToV2(), nil
}

// handleLocalNodeInfo rewrites local node info
func (c *cfg) handleLocalNodeInfo(ni *netmap.NodeInfo) {
	c.cfgNodeInfo.infoMtx.Lock()

	if ni != nil {
		c.cfgNodeInfo.info = *ni
	}

	c.updateStatusWithoutLock(ni)

	c.cfgNodeInfo.infoMtx.Unlock()
}

// handleNodeInfoStatus updates node info status without rewriting whole local
// node info status
func (c *cfg) handleNodeInfoStatus(ni *netmap.NodeInfo) {
	c.cfgNodeInfo.infoMtx.Lock()

	c.updateStatusWithoutLock(ni)

	c.cfgNodeInfo.infoMtx.Unlock()
}

func (c *cfg) localNodeInfo() netmap.NodeInfo {
	c.cfgNodeInfo.infoMtx.RLock()
	defer c.cfgNodeInfo.infoMtx.RUnlock()

	return c.cfgNodeInfo.info
}

func (c *cfg) toOnlineLocalNodeInfo() *netmap.NodeInfo {
	ni := c.localNodeInfo()
	ni.SetState(netmap.NodeStateOnline)

	return &ni
}

func (c *cfg) updateStatusWithoutLock(ni *netmap.NodeInfo) {
	var nmState netmap.NodeState

	if ni != nil {
		nmState = ni.State()
	} else {
		nmState = netmap.NodeStateOffline
		c.cfgNodeInfo.info.SetState(nmState)
	}

	switch nmState {
	default:
		c.setNetmapStatus(control.NetmapStatus_STATUS_UNDEFINED)
	case netmap.NodeStateOnline:
		c.setNetmapStatus(control.NetmapStatus_ONLINE)
	case netmap.NodeStateOffline:
		c.setNetmapStatus(control.NetmapStatus_OFFLINE)
	}
}