frostfs-node/cmd/neofs-node/reputation.go
Pavel Karpy f6783f4f81 [#488] cmd/reputation: Add DaughterStorage
Add `DaughterStorage` init in main pkg
and start write all received daughters'
trusts to it.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2021-05-04 17:53:02 +03:00

204 lines
6.4 KiB
Go

package main
import (
"context"
v2reputation "github.com/nspcc-dev/neofs-api-go/v2/reputation"
v2reputationgrpc "github.com/nspcc-dev/neofs-api-go/v2/reputation/grpc"
crypto "github.com/nspcc-dev/neofs-crypto"
"github.com/nspcc-dev/neofs-node/cmd/neofs-node/reputation/intermediate"
localreputation "github.com/nspcc-dev/neofs-node/cmd/neofs-node/reputation/local"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
"github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
"github.com/nspcc-dev/neofs-node/pkg/network/cache"
grpcreputation "github.com/nspcc-dev/neofs-node/pkg/network/transport/reputation/grpc"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
reputationcommon "github.com/nspcc-dev/neofs-node/pkg/services/reputation/common"
reputationrouter "github.com/nspcc-dev/neofs-node/pkg/services/reputation/common/router"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/storage/daughters"
trustcontroller "github.com/nspcc-dev/neofs-node/pkg/services/reputation/local/controller"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/local/managers"
truststorage "github.com/nspcc-dev/neofs-node/pkg/services/reputation/local/storage"
reputationrpc "github.com/nspcc-dev/neofs-node/pkg/services/reputation/rpc"
"github.com/nspcc-dev/neofs-node/pkg/util/logger"
"github.com/pkg/errors"
"go.uber.org/zap"
)
func initReputationService(c *cfg) {
// consider sharing this between application components
nmSrc := newCachedNetmapStorage(c.cfgNetmap.state, c.cfgNetmap.wrapper)
// storing calculated trusts as a daughter
c.cfgReputation.localTrustStorage = truststorage.New(truststorage.Prm{})
// storing received trusts as a manager
daughterStorage := &intermediate.DaughterStorage{
Log: c.log,
Storage: daughters.New(daughters.Prm{}),
}
trustStorage := &localreputation.TrustStorage{
Log: c.log,
Storage: c.cfgReputation.localTrustStorage,
NmSrc: nmSrc,
LocalKey: crypto.MarshalPublicKey(&c.key.PublicKey),
}
managerBuilder := localreputation.NewManagerBuilder(
localreputation.ManagersPrm{
NetMapSource: nmSrc,
},
localreputation.WithLogger(c.log),
)
routeBuilder := managers.New(managers.Prm{
ManagerBuilder: managerBuilder,
})
remoteLocalTrustProvider := localreputation.NewRemoteTrustProvider(
localreputation.RemoteProviderPrm{
LocalAddrSrc: c,
DeadEndProvider: daughterStorage,
ClientCache: cache.NewSDKClientCache(),
Key: c.key,
},
)
router := reputationrouter.New(
reputationrouter.Prm{
LocalServerInfo: c,
RemoteWriterProvider: remoteLocalTrustProvider,
Builder: routeBuilder,
})
c.cfgReputation.localTrustCtrl = trustcontroller.New(trustcontroller.Prm{
LocalTrustSource: trustStorage,
LocalTrustTarget: router,
})
addNewEpochAsyncNotificationHandler(
c,
func(ev event.Event) {
var reportPrm trustcontroller.ReportPrm
// report collected values from previous epoch
reportPrm.SetEpoch(ev.(netmap.NewEpoch).EpochNumber() - 1)
c.cfgReputation.localTrustCtrl.Report(reportPrm)
},
)
v2reputationgrpc.RegisterReputationServiceServer(c.cfgGRPC.server,
grpcreputation.New(
reputationrpc.NewSignService(
c.key,
reputationrpc.NewResponseService(
&reputationServer{
cfg: c,
log: c.log,
router: router,
routeBuilder: routeBuilder,
},
c.respSvc,
),
),
),
)
// initialize eigen trust block timer
durationMeter := NewEigenTrustDuration(c.cfgNetmap.wrapper)
newEigenTrustIterTimer(c, durationMeter, func() {
c.log.Debug("todo: start next EigenTrust iteration round")
})
addNewEpochAsyncNotificationHandler(
c,
func(e event.Event) {
durationMeter.Update() // recalculate duration of one iteration round
err := c.cfgMorph.eigenTrustTimer.Reset() // start iteration rounds again
if err != nil {
c.log.Warn("can't reset block timer to start eigen trust calculations again",
zap.String("error", err.Error()))
}
},
)
}
type reputationServer struct {
*cfg
log *logger.Logger
router reputationcommon.WriterProvider
routeBuilder reputationrouter.Builder
}
func (s *reputationServer) SendLocalTrust(ctx context.Context, req *v2reputation.SendLocalTrustRequest) (*v2reputation.SendLocalTrustResponse, error) {
var passedRoute []reputationrouter.ServerInfo
for hdr := req.GetVerificationHeader(); hdr != nil; hdr = hdr.GetOrigin() {
passedRoute = append(passedRoute, &localreputation.OnlyKeyRemoteServerInfo{
Key: hdr.GetBodySignature().GetKey(),
})
}
for left, right := 0, len(passedRoute)-1; left < right; left, right = left+1, right-1 {
passedRoute[left], passedRoute[right] = passedRoute[right], passedRoute[left]
}
passedRoute = append(passedRoute, s)
body := req.GetBody()
eCtx := &localreputation.EpochContext{
Context: ctx,
E: body.GetEpoch(),
}
w, err := s.router.InitWriter(reputationrouter.NewRouteContext(eCtx, passedRoute))
if err != nil {
return nil, errors.Wrap(err, "could not initialize local trust writer")
}
for _, trust := range body.GetTrusts() {
err = s.processTrust(body.GetEpoch(), apiToLocalTrust(trust, passedRoute[0].PublicKey()), passedRoute, w)
if err != nil {
return nil, errors.Wrap(err, "could not write one of trusts")
}
}
resp := new(v2reputation.SendLocalTrustResponse)
resp.SetBody(new(v2reputation.SendLocalTrustResponseBody))
return resp, nil
}
func (s *reputationServer) SendIntermediateResult(_ context.Context, req *v2reputation.SendIntermediateResultRequest) (*v2reputation.SendIntermediateResultResponse, error) {
resp := new(v2reputation.SendIntermediateResultResponse)
// todo: implement me
return resp, nil
}
// apiToLocalTrust converts v2 Trust to local reputation.Trust, adding trustingPeer.
func apiToLocalTrust(t *v2reputation.Trust, trustingPeer []byte) reputation.Trust {
localTrust := reputation.Trust{}
localTrust.SetValue(reputation.TrustValueFromFloat64(t.GetValue()))
localTrust.SetPeer(reputation.PeerIDFromBytes(t.GetPeer().GetValue()))
localTrust.SetTrustingPeer(reputation.PeerIDFromBytes(trustingPeer))
return localTrust
}
func (s *reputationServer) processTrust(epoch uint64, t reputation.Trust,
passedRoute []reputationrouter.ServerInfo, w reputationcommon.Writer) error {
err := reputationrouter.CheckRoute(s.routeBuilder, epoch, t, passedRoute)
if err != nil {
return errors.Wrap(err, "wrong route of reputation trust value")
}
return w.Write(&localreputation.EpochContext{E: epoch}, t)
}