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[#488] reputation: Change Writer interface

Browse source 
Includes:
- Delete first `ctx` argument in `Write` method.
- Move intermediate Initial trust struct and method
to `calculator` file.
- Change Alpha to 0.1.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
This commit is contained in:
Pavel Karpy 2021-05-04 09:16:51 +03:00 committed by Alex Vanin
parent 0d34d7c508
commit d1db54acf8
14 changed files with 61 additions and 63 deletions
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24
cmd/neofs-node/reputation.go
View file

@ -37,7 +37,8 @@ import (
"go.uber.org/zap"
)
const EigenTrustAlpha = 0.5
const EigenTrustAlpha = 0.1
const EigenTrustInitialTrust = 0.5
func initReputationService(c *cfg) {
staticClient, err := client.NewStatic(
@ -60,9 +61,7 @@ func initReputationService(c *cfg) {
// storing calculated trusts as a daughter
c.cfgReputation.localTrustStorage = truststorage.New(
truststorage.Prm{
LocalServer: c,
},
truststorage.Prm{},
)
daughterStorage := daughters.New(daughters.Prm{})
@ -154,7 +153,9 @@ func initReputationService(c *cfg) {
AlphaProvider: intermediate.AlphaProvider{
Alpha: EigenTrustAlpha,
},
InitialTrustSource: intermediatereputation.InitialTrustSource{},
InitialTrustSource: intermediatereputation.InitialTrustSource{
Trust: reputation.TrustValueFromFloat64(EigenTrustInitialTrust),
},
IntermediateValueTarget: intermediateTrustRouter,
WorkerPool: c.cfgReputation.workerPool,
FinalResultTarget: intermediate.NewFinalWriterProvider(
@ -298,12 +299,9 @@ func (s *reputationServer) SendIntermediateResult(ctx context.Context, req *v2re
body := req.GetBody()
eCtx := &common.EpochContext{
Context: ctx,
E: body.GetEpoch(),
}
eiCtx := eigentrust.NewIterContext(ctx, body.GetEpoch(), body.GetIteration())
w, err := s.intermediateRouter.InitWriter(reputationrouter.NewRouteContext(eCtx, passedRoute))
w, err := s.intermediateRouter.InitWriter(reputationrouter.NewRouteContext(eiCtx, passedRoute))
if err != nil {
return nil, errors.Wrap(err, "could not initialize intermediate trust writer")
}
@ -312,9 +310,7 @@ func (s *reputationServer) SendIntermediateResult(ctx context.Context, req *v2re
trust := apiToLocalTrust(v2Trust.GetTrust(), v2Trust.GetTrustingPeer().GetValue())
eiCtx := eigentrust.NewIterContext(ctx, body.GetEpoch(), body.GetIteration())
err = w.Write(eiCtx, trust)
err = w.Write(trust)
if err != nil {
return nil, errors.Wrap(err, "could not write intermediate trust")
}
@ -332,7 +328,7 @@ func (s *reputationServer) processLocalTrust(epoch uint64, t reputation.Trust,
return errors.Wrap(err, "wrong route of reputation trust value")
}
return w.Write(&common.EpochContext{E: epoch}, t)
return w.Write(t)
}
// apiToLocalTrust converts v2 Trust to local reputation.Trust, adding trustingPeer.

3
cmd/neofs-node/reputation/common/util.go
View file

@ -3,7 +3,6 @@ package common
import (
"context"
"fmt"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/common"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
)
@ -20,7 +19,7 @@ func (ctx *EpochContext) Epoch() uint64 {
type NopReputationWriter struct{}
func (NopReputationWriter) Write(common.Context, reputation.Trust) error {
func (NopReputationWriter) Write(reputation.Trust) error {
return nil
}

12
cmd/neofs-node/reputation/intermediate/calculator.go
View file

@ -1,11 +1,23 @@
package intermediate
import (
"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust"
eigencalc "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/calculator"
eigentrustctrl "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/controller"
)
// InitialTrustSource is implementation of the
// reputation/eigentrust/calculator's InitialTrustSource interface.
type InitialTrustSource struct {
Trust reputation.TrustValue
}
// InitialTrust returns `initialTrust` as initial trust value.
func (i InitialTrustSource) InitialTrust(reputation.PeerID) (reputation.TrustValue, error) {
return i.Trust, nil
}
// DaughtersTrustCalculator wraps EigenTrust calculator and implements
// eigentrust/calculator's DaughtersTrustCalculator interface.
type DaughtersTrustCalculator struct {

25
cmd/neofs-node/reputation/intermediate/consumers.go
View file

@ -1,10 +1,7 @@
package intermediate
import (
"errors"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/common"
reputationcommon "github.com/nspcc-dev/neofs-node/pkg/services/reputation/common"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust"
eigencalc "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/calculator"
@ -12,7 +9,7 @@ import (
"github.com/nspcc-dev/neofs-node/pkg/util/logger"
)
var ErrIncorrectContext = errors.New("could not write intermediate trust: passed context incorrect")
var ErrIncorrectContextPanicMsg = "could not write intermediate trust: passed context incorrect"
// ConsumerStorageWriterProvider is implementation of reputation.WriterProvider
// interface that provides ConsumerTrustWriter writer.
@ -27,18 +24,14 @@ type ConsumerStorageWriterProvider struct {
type ConsumerTrustWriter struct {
log *logger.Logger
storage *consumerstorage.Storage
eiCtx eigencalc.Context
}
func (w *ConsumerTrustWriter) Write(ctx common.Context, t reputation.Trust) error {
eiCtx, ok := ctx.(eigencalc.Context)
if !ok {
return ErrIncorrectContext
}
func (w *ConsumerTrustWriter) Write(t reputation.Trust) error {
trust := eigentrust.IterationTrust{Trust: t}
trust.SetEpoch(eiCtx.Epoch())
trust.SetI(eiCtx.I())
trust.SetEpoch(w.eiCtx.Epoch())
trust.SetI(w.eiCtx.I())
w.storage.Put(trust)
return nil
@ -48,9 +41,15 @@ func (w *ConsumerTrustWriter) Close() error {
return nil
}
func (s *ConsumerStorageWriterProvider) InitWriter(_ reputationcommon.Context) (reputationcommon.Writer, error) {
func (s *ConsumerStorageWriterProvider) InitWriter(ctx reputationcommon.Context) (reputationcommon.Writer, error) {
eiCtx, ok := ctx.(eigencalc.Context)
if !ok {
panic(ErrIncorrectContextPanicMsg)
}
return &ConsumerTrustWriter{
log: s.Log,
storage: s.Storage,
eiCtx: eiCtx,
}, nil
}

9
cmd/neofs-node/reputation/intermediate/daughters.go
View file

@ -2,7 +2,6 @@ package intermediate
import (
"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/common"
reputationcommon "github.com/nspcc-dev/neofs-node/pkg/services/reputation/common"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/storage/daughters"
"github.com/nspcc-dev/neofs-node/pkg/util/logger"
@ -21,10 +20,11 @@ type DaughterStorageWriterProvider struct {
type DaughterTrustWriter struct {
log *logger.Logger
storage *daughters.Storage
ctx reputationcommon.Context
}
func (w *DaughterTrustWriter) Write(ctx common.Context, t reputation.Trust) error {
w.storage.Put(ctx.Epoch(), t)
func (w *DaughterTrustWriter) Write(t reputation.Trust) error {
w.storage.Put(w.ctx.Epoch(), t)
return nil
}
@ -32,9 +32,10 @@ func (w *DaughterTrustWriter) Close() error {
return nil
}
func (s *DaughterStorageWriterProvider) InitWriter(_ reputationcommon.Context) (reputationcommon.Writer, error) {
func (s *DaughterStorageWriterProvider) InitWriter(ctx reputationcommon.Context) (reputationcommon.Writer, error) {
return &DaughterTrustWriter{
log: s.Log,
storage: s.Storage,
ctx: ctx,
}, nil
}

22
cmd/neofs-node/reputation/intermediate/remote.go
View file

@ -55,15 +55,20 @@ type TrustWriterProvider struct {
}
func (twp *TrustWriterProvider) InitWriter(ctx reputationcommon.Context) (reputationcommon.Writer, error) {
eiContext, ok := ctx.(eigentrustcalc.Context)
if !ok {
panic(ErrIncorrectContextPanicMsg)
}
return &RemoteTrustWriter{
ctx: ctx,
eiCtx: eiContext,
client: twp.client,
key: twp.key,
}, nil
}
type RemoteTrustWriter struct {
ctx reputationcommon.Context
eiCtx eigentrustcalc.Context
client apiClient.Client
key *ecdsa.PrivateKey
@ -73,12 +78,7 @@ type RemoteTrustWriter struct {
// Write check if passed context contains required
// data(returns ErrIncorrectContext if not) and
// caches passed trusts(as SendIntermediateTrustPrm structs).
func (rtp *RemoteTrustWriter) Write(ctx reputationcommon.Context, t reputation.Trust) error {
eiContext, ok := ctx.(eigentrustcalc.Context)
if !ok {
return ErrIncorrectContext
}
func (rtp *RemoteTrustWriter) Write(t reputation.Trust) error {
apiTrustingPeer := reputationapi.NewPeerID()
apiTrustingPeer.SetPublicKey(t.TrustingPeer())
@ -94,8 +94,8 @@ func (rtp *RemoteTrustWriter) Write(ctx reputationcommon.Context, t reputation.T
apiPeerToPeerTrust.SetTrust(apiTrust)
p := &apiClient.SendIntermediateTrustPrm{}
p.SetEpoch(eiContext.Epoch())
p.SetIteration(eiContext.I())
p.SetEpoch(rtp.eiCtx.Epoch())
p.SetIteration(rtp.eiCtx.I())
p.SetTrust(apiPeerToPeerTrust)
rtp.buf = append(rtp.buf, p)
@ -108,7 +108,7 @@ func (rtp *RemoteTrustWriter) Write(ctx reputationcommon.Context, t reputation.T
func (rtp *RemoteTrustWriter) Close() (err error) {
for _, prm := range rtp.buf {
_, err = rtp.client.SendIntermediateTrust(
rtp.ctx,
rtp.eiCtx,
*prm,
apiClient.WithKey(rtp.key),
)

9
cmd/neofs-node/reputation/intermediate/storage.go
View file

@ -9,15 +9,6 @@ import (
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/storage/daughters"
)
// InitialTrustSource is implementation of the
// reputation/eigentrust/calculator's InitialTrustSource interface.
type InitialTrustSource struct{}
// InitialTrust returns `1` as initial trust value.
func (i InitialTrustSource) InitialTrust(reputation.PeerID) (reputation.TrustValue, error) {
return reputation.TrustOne, nil
}
// DaughterTrustIteratorProvider is implementation of the
// reputation/eigentrust/calculator's DaughterTrustIteratorProvider interface.
type DaughterTrustIteratorProvider struct {

2
cmd/neofs-node/reputation/local/remote.go
View file

@ -69,7 +69,7 @@ type RemoteTrustWriter struct {
buf []*reputationapi.Trust
}
func (rtp *RemoteTrustWriter) Write(_ reputationcommon.Context, t reputation.Trust) error {
func (rtp *RemoteTrustWriter) Write(t reputation.Trust) error {
apiTrust := reputationapi.NewTrust()
apiPeer := reputationapi.NewPeerID()

2
pkg/services/reputation/common/deps.go
View file

@ -29,7 +29,7 @@ type Writer interface {
// Close operation.
//
// Write must not be called after Close.
Write(Context, reputation.Trust) error
Write(reputation.Trust) error
// Close exits with method-providing Writer.
//

6
pkg/services/reputation/common/router/calls.go
View file

@ -65,7 +65,7 @@ func (r *Router) InitWriter(ctx common.Context) (common.Writer, error) {
}, nil
}
func (w *trustWriter) Write(ctx common.Context, t reputation.Trust) error {
func (w *trustWriter) Write(t reputation.Trust) error {
w.routeMtx.Lock()
defer w.routeMtx.Unlock()
@ -94,7 +94,7 @@ func (w *trustWriter) Write(ctx common.Context, t reputation.Trust) error {
continue
}
remoteWriter, err = provider.InitWriter(w.ctx)
remoteWriter, err = provider.InitWriter(w.ctx.Context)
if err != nil {
w.router.log.Debug("could not initialize writer",
zap.String("error", err.Error()),
@ -106,7 +106,7 @@ func (w *trustWriter) Write(ctx common.Context, t reputation.Trust) error {
w.mServers[endpoint] = remoteWriter
}
err := remoteWriter.Write(ctx, t)
err := remoteWriter.Write(t)
if err != nil {
w.router.log.Debug("could not write the value",
zap.String("error", err.Error()),

4
pkg/services/reputation/eigentrust/calculator/calls.go
View file

@ -195,7 +195,7 @@ func (c *Calculator) iterateDaughter(p iterDaughterPrm) {
trust.SetValue(val)
err := intermediateWriter.Write(p.ctx, trust)
err := intermediateWriter.Write(trust)
if err != nil {
c.opts.log.Debug("write intermediate value failure",
zap.String("error", err.Error()),
@ -257,7 +257,7 @@ func (c *Calculator) sendInitialValues(ctx Context) {
initTrust.Mul(trust.Value())
trust.SetValue(initTrust)
err = intermediateWriter.Write(ctx, trust)
err = intermediateWriter.Write(trust)
if err != nil {
c.opts.log.Debug("write intermediate value failure",
zap.String("error", err.Error()),

2
pkg/services/reputation/local/controller/calls.go
View file

@ -126,7 +126,7 @@ func (c *reportContext) report() {
return err
}
return targetWriter.Write(c.ctx, t)
return targetWriter.Write(t)
},
)
if err != nil && !errors.Is(err, context.Canceled) {

2
pkg/services/reputation/local/storage/storage.go
View file

@ -9,7 +9,7 @@ import (
// All values must comply with the requirements imposed on them.
// Passing incorrect parameter values will result in constructor
// failure (error or panic depending on the implementation).
type Prm struct {}
type Prm struct{}
// Storage represents in-memory storage of
// local reputation values.