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cmd: call SaveState and LoadState for normal run

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This commit is contained in:
c9s 2022-05-05 14:28:42 +08:00
parent 57c43936d6
commit 7378c63cb7
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GPG Key ID: 7385E7E464CB0A54
4 changed files with 84 additions and 14 deletions
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5
cmd/bbgo-lorca/main.go
View File

@ -102,6 +102,11 @@ func main() {
return
}
if err := trader.LoadState() ; err != nil {
log.WithError(err).Error("failed to load strategy states")
return
}
// for setup mode, we don't start the trader
go func() {
if err := trader.Run(ctx); err != nil {

5
cmd/bbgo-webview/main.go
View File

@ -110,6 +110,11 @@ func main() {
return
}
if err := trader.LoadState() ; err != nil {
log.WithError(err).Error("failed to load strategy states")
return
}
// for setup mode, we don't start the trader
if err := trader.Run(ctx); err != nil {
log.WithError(err).Error("failed to start trader")

80
pkg/bbgo/trader.go
View File

@ -248,15 +248,6 @@ func (trader *Trader) RunSingleExchangeStrategy(ctx context.Context, strategy Si
}
}
// Before we run the strategy we need to load the state from the persistence layer:
// 1) scan the struct fields and find the persistence field
// 2) load the data and set the value into the persistence field.
ps := trader.environment.PersistenceServiceFacade.Get()
if err := loadPersistenceFields(strategy, strategy.ID(), ps); err != nil {
return err
}
return strategy.Run(ctx, orderExecutor, session)
}
@ -322,7 +313,6 @@ func (trader *Trader) Run(ctx context.Context) error {
router.executors[sessionID] = orderExecutor
}
ps := trader.environment.PersistenceServiceFacade.Get()
for _, strategy := range trader.crossExchangeStrategies {
rs := reflect.ValueOf(strategy)
@ -336,10 +326,6 @@ func (trader *Trader) Run(ctx context.Context) error {
return err
}
if err := loadPersistenceFields(strategy, strategy.ID(), ps); err != nil {
return err
}
if err := strategy.CrossRun(ctx, router, trader.environment.sessions); err != nil {
return err
}
@ -348,6 +334,72 @@ func (trader *Trader) Run(ctx context.Context) error {
return trader.environment.Connect(ctx)
}
func (trader *Trader) LoadState() error {
if trader.environment.BacktestService != nil {
return nil
}
if trader.environment.PersistenceServiceFacade == nil {
return nil
}
ps := trader.environment.PersistenceServiceFacade.Get()
log.Infof("loading strategies states...")
for _, strategies := range trader.exchangeStrategies {
for _, strategy := range strategies {
if err := loadPersistenceFields(strategy, strategy.ID(), ps); err != nil {
return err
}
}
}
for _, strategy := range trader.crossExchangeStrategies {
if err := loadPersistenceFields(strategy, strategy.ID(), ps); err != nil {
return err
}
}
return nil
}
func (trader *Trader) SaveState() error {
if trader.environment.BacktestService != nil {
return nil
}
if trader.environment.PersistenceServiceFacade == nil {
return nil
}
ps := trader.environment.PersistenceServiceFacade.Get()
log.Infof("saving strategies states...")
for _, strategies := range trader.exchangeStrategies {
for _, strategy := range strategies {
id := callID(strategy)
if len(id) == 0 {
continue
}
if err := storePersistenceFields(strategy, id, ps); err != nil {
return err
}
}
}
for _, strategy := range trader.crossExchangeStrategies {
id := callID(strategy)
if len(id) == 0 {
continue
}
if err := storePersistenceFields(strategy, id, ps); err != nil {
return err
}
}
return nil
}
var defaultPersistenceSelector = &PersistenceSelector{
StoreID: "default",
Type: "memory",

8
pkg/cmd/run.go
View File

@ -189,6 +189,10 @@ func runConfig(basectx context.Context, cmd *cobra.Command, userConfig *bbgo.Con
return err
}
if err := trader.LoadState(); err != nil {
return err
}
if err := trader.Run(ctx); err != nil {
return err
}
@ -228,6 +232,10 @@ func runConfig(basectx context.Context, cmd *cobra.Command, userConfig *bbgo.Con
trader.Graceful.Shutdown(shutdownCtx)
cancelShutdown()
if err := trader.SaveState(); err != nil {
log.WithError(err).Errorf("can not save strategy states")
}
for _, session := range environ.Sessions() {
if err := session.MarketDataStream.Close(); err != nil {
log.WithError(err).Errorf("[%s] market data stream close error", session.Name)