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add sync status to the environment

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This commit is contained in:
c9s 2021-02-20 11:29:33 +08:00
parent ff5233ba3e
commit 4ce6e85624
2 changed files with 56 additions and 14 deletions
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58
pkg/bbgo/environment.go
View File

@ -4,6 +4,7 @@ import (
"context"
"fmt"
"os"
"sync"
"time"
"github.com/codingconcepts/env"
@ -54,14 +55,19 @@ type Environment struct {
// startTime is the time of start point (which is used in the backtest)
startTime time.Time
tradeScanTime time.Time
// syncStartTime is the time point we want to start the sync (for trades and orders)
syncStartTime time.Time
syncing bool
syncMutex sync.Mutex
sessions map[string]*ExchangeSession
}
func NewEnvironment() *Environment {
return &Environment{
// default trade scan time
tradeScanTime: time.Now().AddDate(0, -1, 0), // sync from 1 month ago
syncStartTime: time.Now().AddDate(-1, 0, 0), // defaults to sync from 1 year ago
sessions: make(map[string]*ExchangeSession),
startTime: time.Now(),
}
@ -83,7 +89,7 @@ func (environ *Environment) SelectSessions(names ...string) map[string]*Exchange
sessions := make(map[string]*ExchangeSession)
for _, name := range names {
if s, ok := environ.Session(name) ; ok {
if s, ok := environ.Session(name); ok {
sessions[name] = s
}
}
@ -410,9 +416,9 @@ func (environ *Environment) SetStartTime(t time.Time) *Environment {
return environ
}
// SyncTradesFrom overrides the default trade scan time (-7 days)
func (environ *Environment) SyncTradesFrom(t time.Time) *Environment {
environ.tradeScanTime = t
// SetSyncStartTime overrides the default trade scan time (-7 days)
func (environ *Environment) SetSyncStartTime(t time.Time) *Environment {
environ.syncStartTime = t
return environ
}
@ -441,13 +447,48 @@ func (environ *Environment) Connect(ctx context.Context) error {
return nil
}
func (environ *Environment) SyncSession(ctx context.Context, session *ExchangeSession, startTime time.Time, defaultSymbols ...string) error {
func (environ *Environment) IsSyncing() bool {
return environ.syncing
}
// Sync syncs all registered exchange sessions
func (environ *Environment) Sync(ctx context.Context) error {
environ.syncMutex.Lock()
defer environ.syncMutex.Unlock()
environ.syncing = true
defer func() {
environ.syncing = false
}()
for _, session := range environ.sessions {
if err := environ.syncSession(ctx, session); err != nil {
return err
}
}
return nil
}
func (environ *Environment) SyncSession(ctx context.Context, session *ExchangeSession, defaultSymbols ...string) error {
environ.syncMutex.Lock()
defer environ.syncMutex.Unlock()
environ.syncing = true
defer func() {
environ.syncing = false
}()
return environ.syncSession(ctx, session, defaultSymbols...)
}
func (environ *Environment) syncSession(ctx context.Context, session *ExchangeSession, defaultSymbols ...string) error {
symbols, err := getSessionSymbols(session, defaultSymbols...)
if err != nil {
return err
}
return environ.TradeSync.SyncSessionSymbols(ctx, session.Exchange, startTime, symbols...)
return environ.TradeSync.SyncSessionSymbols(ctx, session.Exchange, environ.syncStartTime, symbols...)
}
func getSessionSymbols(session *ExchangeSession, defaultSymbols ...string) ([]string, error) {
@ -461,4 +502,3 @@ func getSessionSymbols(session *ExchangeSession, defaultSymbols ...string) ([]st
return session.FindPossibleSymbols()
}

8
pkg/cmd/sync.go
View File

@ -59,8 +59,8 @@ var SyncCmd = &cobra.Command{
}
var (
// default start time
startTime = time.Now().AddDate(0, -3, 0)
// default sync start time
startTime = time.Now().AddDate(-1, 0, 0)
)
if len(since) > 0 {
@ -85,6 +85,8 @@ var SyncCmd = &cobra.Command{
return err
}
environ.SetSyncStartTime(startTime)
var defaultSymbols []string
if len(symbol) > 0 {
defaultSymbols = []string{symbol}
@ -102,7 +104,7 @@ var SyncCmd = &cobra.Command{
return err
}
if err := environ.SyncSession(ctx, session, startTime, defaultSymbols...) ; err != nil {
if err := environ.SyncSession(ctx, session, defaultSymbols...); err != nil {
return err
}