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statestorage.go
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/
statestorage.go
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//
// Copyright 2019 Insolar Technologies GmbH
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package logicrunner
import (
"context"
"sync"
watermillMsg "github.com/ThreeDotsLabs/watermill/message"
"github.com/insolar/insolar/insolar"
"github.com/insolar/insolar/insolar/bus"
"github.com/insolar/insolar/insolar/jet"
"github.com/insolar/insolar/insolar/payload"
"github.com/insolar/insolar/insolar/pulse"
"github.com/insolar/insolar/instrumentation/inslogger"
"github.com/insolar/insolar/log"
"github.com/insolar/insolar/logicrunner/artifacts"
"github.com/insolar/insolar/logicrunner/executionregistry"
"github.com/insolar/insolar/logicrunner/shutdown"
)
//go:generate minimock -i github.com/insolar/insolar/logicrunner.StateStorage -o ./ -s _mock.go -g
type StateStorage interface {
UpsertExecutionState(ref insolar.Reference) ExecutionBrokerI
GetExecutionState(ref insolar.Reference) ExecutionBrokerI
GetExecutionRegistry(ref insolar.Reference) executionregistry.ExecutionRegistry
IsEmpty() bool
OnPulse(ctx context.Context, pulse insolar.Pulse) map[insolar.Reference][]payload.Payload
}
type stateStorage struct {
sync.RWMutex
publisher watermillMsg.Publisher
requestsExecutor RequestsExecutor
sender bus.Sender
jetCoordinator jet.Coordinator
pulseAccessor pulse.Accessor
artifactsManager artifacts.Client
outgoingSender OutgoingRequestSender
shutdownFlag shutdown.Flag
brokers map[insolar.Reference]ExecutionBrokerI
registries map[insolar.Reference]executionregistry.ExecutionRegistry
}
func NewStateStorage(
publisher watermillMsg.Publisher,
requestsExecutor RequestsExecutor,
sender bus.Sender,
jetCoordinator jet.Coordinator,
pulseAccessor pulse.Accessor,
artifactsManager artifacts.Client,
outgoingSender OutgoingRequestSender,
shutdownFlag shutdown.Flag,
) StateStorage {
ss := &stateStorage{
brokers: make(map[insolar.Reference]ExecutionBrokerI),
registries: make(map[insolar.Reference]executionregistry.ExecutionRegistry),
publisher: publisher,
requestsExecutor: requestsExecutor,
sender: sender,
jetCoordinator: jetCoordinator,
pulseAccessor: pulseAccessor,
artifactsManager: artifactsManager,
outgoingSender: outgoingSender,
shutdownFlag: shutdownFlag,
}
return ss
}
func (ss *stateStorage) upsertExecutionRegistry(ref insolar.Reference) executionregistry.ExecutionRegistry {
if res, ok := ss.registries[ref]; ok {
return res
}
ss.registries[ref] = executionregistry.New(ref, ss.jetCoordinator)
return ss.registries[ref]
}
func (ss *stateStorage) UpsertExecutionState(ref insolar.Reference) ExecutionBrokerI {
if ss.shutdownFlag.IsStopped() {
log.Warn("UpsertExecutionState after shutdown was triggered for ", ref.String())
}
ss.RLock()
if res, ok := ss.brokers[ref]; ok {
ss.RUnlock()
return res
}
ss.RUnlock()
ss.Lock()
defer ss.Unlock()
if _, ok := ss.brokers[ref]; !ok {
registry := ss.upsertExecutionRegistry(ref)
ss.brokers[ref] = NewExecutionBroker(ref, ss.publisher, ss.requestsExecutor, ss.sender, ss.artifactsManager, registry, ss.outgoingSender, ss.pulseAccessor)
}
return ss.brokers[ref]
}
func (ss *stateStorage) GetExecutionState(ref insolar.Reference) ExecutionBrokerI {
if ss.shutdownFlag.IsStopped() {
log.Warn("GetExecutionState after shutdown was triggered for ", ref.String())
}
ss.RLock()
defer ss.RUnlock()
return ss.brokers[ref]
}
func (ss *stateStorage) GetExecutionRegistry(ref insolar.Reference) executionregistry.ExecutionRegistry {
if ss.shutdownFlag.IsStopped() {
log.Warn("GetExecutionRegistry after shutdown was triggered for ", ref.String())
}
ss.RLock()
defer ss.RUnlock()
return ss.registries[ref]
}
func (ss *stateStorage) IsEmpty() bool {
ss.RLock()
defer ss.RUnlock()
if len(ss.brokers) == 0 && len(ss.registries) == 0 {
return true
}
for _, el := range ss.registries {
if !el.IsEmpty() {
return false
}
}
return true
}
func (ss *stateStorage) OnPulse(ctx context.Context, pulse insolar.Pulse) map[insolar.Reference][]payload.Payload {
onPulseMessages := make(map[insolar.Reference][]payload.Payload)
ss.Lock()
defer ss.Unlock()
oldBrokers := ss.brokers
ss.brokers = make(map[insolar.Reference]ExecutionBrokerI)
for objectRef, broker := range oldBrokers {
if _, ok := ss.registries[objectRef]; !ok {
inslogger.FromContext(ctx).Error("exeuction broker exists, but registry doesn't")
}
messages := broker.OnPulse(ctx)
if len(messages) > 0 {
onPulseMessages[objectRef] = append(onPulseMessages[objectRef], messages...)
}
}
for objectRef, registry := range ss.registries {
messages := registry.OnPulse(ctx)
if len(messages) > 0 {
onPulseMessages[objectRef] = append(onPulseMessages[objectRef], messages...)
}
if registry.IsEmpty() {
delete(ss.registries, objectRef)
}
}
return onPulseMessages
}