298 lines
8.5 KiB
Go
298 lines
8.5 KiB
Go
package app
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import (
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"context"
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"errors"
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"log/slog"
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"net"
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"sync"
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"time"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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healthgrpc "google.golang.org/grpc/health/grpc_health_v1"
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gamev1 "hyapp.local/api/proto/game/v1"
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"hyapp/pkg/gamemq"
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"hyapp/pkg/grpchealth"
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"hyapp/pkg/grpcshutdown"
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"hyapp/pkg/healthhttp"
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"hyapp/pkg/logx"
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"hyapp/pkg/rocketmqx"
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"hyapp/services/game-service/internal/client"
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"hyapp/services/game-service/internal/config"
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diceservice "hyapp/services/game-service/internal/service/dice"
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gameservice "hyapp/services/game-service/internal/service/game"
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mysqlstorage "hyapp/services/game-service/internal/storage/mysql"
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grpcserver "hyapp/services/game-service/internal/transport/grpc"
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)
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// App 装配 game-service gRPC 入口和持久化依赖。
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type App struct {
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server *grpc.Server
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listener net.Listener
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health *grpchealth.ServingChecker
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healthHTTP *healthhttp.Server
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repo *mysqlstorage.Repository
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walletConn *grpc.ClientConn
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userConn *grpc.ClientConn
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activityConn *grpc.ClientConn
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outboxProducer *rocketmqx.Producer
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outboxCtx context.Context
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outboxCancel context.CancelFunc
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outboxWG sync.WaitGroup
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cfg config.Config
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closeOnce sync.Once
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}
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func New(cfg config.Config) (*App, error) {
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startupCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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repo, err := mysqlstorage.Open(startupCtx, cfg.MySQLDSN)
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if err != nil {
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return nil, err
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}
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walletConn, err := grpc.Dial(cfg.WalletServiceAddr, grpc.WithTransportCredentials(insecure.NewCredentials()))
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if err != nil {
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_ = repo.Close()
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return nil, err
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}
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userConn, err := grpc.Dial(cfg.UserServiceAddr, grpc.WithTransportCredentials(insecure.NewCredentials()))
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if err != nil {
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_ = walletConn.Close()
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_ = repo.Close()
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return nil, err
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}
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activityConn, err := grpc.Dial(cfg.ActivityServiceAddr, grpc.WithTransportCredentials(insecure.NewCredentials()))
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if err != nil {
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_ = userConn.Close()
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_ = walletConn.Close()
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_ = repo.Close()
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return nil, err
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}
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listener, err := net.Listen("tcp", cfg.GRPCAddr)
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if err != nil {
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_ = activityConn.Close()
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_ = userConn.Close()
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_ = walletConn.Close()
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_ = repo.Close()
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return nil, err
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}
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var outboxProducer *rocketmqx.Producer
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if cfg.RocketMQ.GameOutbox.Enabled {
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outboxProducer, err = rocketmqx.NewProducer(rocketMQProducerConfig(cfg.RocketMQ))
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if err != nil {
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_ = listener.Close()
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_ = activityConn.Close()
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_ = userConn.Close()
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_ = walletConn.Close()
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_ = repo.Close()
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return nil, err
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}
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}
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server := grpc.NewServer(grpc.UnaryInterceptor(logx.UnaryServerInterceptor("game-service")))
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walletClient := client.NewWalletClient(walletConn)
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svc := gameservice.New(gameservice.Config{LaunchSessionTTL: cfg.LaunchSessionTTL}, repo, walletClient, client.NewUserClient(userConn), client.NewActivityGrowthClient(activityConn))
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// 骰子服务复用同一个 MySQL repository 和 wallet client；局事实走 dice 表，金币事实仍走 game_orders + wallet-service。
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diceSvc := diceservice.New(diceservice.Config{}, repo, walletClient)
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transport := grpcserver.NewServer(svc, diceSvc)
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gamev1.RegisterGameAppServiceServer(server, transport)
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gamev1.RegisterGameCallbackServiceServer(server, transport)
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gamev1.RegisterGameAdminServiceServer(server, transport)
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gamev1.RegisterGameCronServiceServer(server, transport)
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health := grpchealth.NewServingChecker("game-service", grpchealth.Dependency{
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Name: "mysql",
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Check: repo.Ping,
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})
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healthgrpc.RegisterHealthServer(server, grpchealth.NewServer(health))
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healthHTTP, err := healthhttp.New(cfg.HealthHTTPAddr, cfg.NodeID, health)
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if err != nil {
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_ = listener.Close()
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_ = activityConn.Close()
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_ = userConn.Close()
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_ = walletConn.Close()
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_ = repo.Close()
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return nil, err
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}
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outboxCtx, outboxCancel := context.WithCancel(context.Background())
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return &App{server: server, listener: listener, health: health, healthHTTP: healthHTTP, repo: repo, walletConn: walletConn, userConn: userConn, activityConn: activityConn, outboxProducer: outboxProducer, outboxCtx: outboxCtx, outboxCancel: outboxCancel, cfg: cfg}, nil
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}
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func (a *App) Run() error {
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a.runHealthHTTP()
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if err := a.startMQ(); err != nil {
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a.health.MarkStopped()
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return err
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}
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a.runOutboxWorker()
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a.health.MarkServing()
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err := a.server.Serve(a.listener)
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a.health.MarkStopped()
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a.stopOutboxWorker()
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a.shutdownMQ()
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if errors.Is(err, grpc.ErrServerStopped) {
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return nil
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}
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return err
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}
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func (a *App) Close() {
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a.closeOnce.Do(func() {
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a.health.MarkDraining()
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a.stopOutboxWorker()
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grpcshutdown.GracefulStop(a.server, 15*time.Second)
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a.closeHealthHTTP()
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if a.walletConn != nil {
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_ = a.walletConn.Close()
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}
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if a.userConn != nil {
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_ = a.userConn.Close()
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}
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if a.activityConn != nil {
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_ = a.activityConn.Close()
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}
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if a.repo != nil {
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_ = a.repo.Close()
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}
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a.shutdownMQ()
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})
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}
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func (a *App) runOutboxWorker() {
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if !a.cfg.OutboxWorker.Enabled || a.outboxProducer == nil || a.repo == nil {
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return
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}
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workerID := "game-outbox-" + a.cfg.NodeID
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a.outboxWG.Add(1)
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go func() {
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defer a.outboxWG.Done()
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ticker := time.NewTicker(a.cfg.OutboxWorker.PollInterval)
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defer ticker.Stop()
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for {
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processed, err := a.processOutboxBatch()
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if err != nil && !errors.Is(err, context.Canceled) {
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logx.Error(a.outboxCtx, "game_outbox_publish_failed", err, slog.String("worker_id", workerID))
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}
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if processed >= a.cfg.OutboxWorker.BatchSize {
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continue
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}
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select {
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case <-a.outboxCtx.Done():
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return
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case <-ticker.C:
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}
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}
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}()
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}
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func (a *App) processOutboxBatch() (int, error) {
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workerID := "game-outbox-" + a.cfg.NodeID
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records, err := a.repo.ClaimPendingGameOutbox(a.outboxCtx, workerID, a.cfg.OutboxWorker.BatchSize)
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if err != nil {
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return 0, err
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}
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for _, record := range records {
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publishCtx, cancel := context.WithTimeout(context.Background(), a.cfg.OutboxWorker.PublishTimeout)
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err := a.publishGameOutboxRecord(publishCtx, record)
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cancel()
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if err != nil {
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nextRetryAtMS := time.Now().UTC().Add(a.cfg.OutboxWorker.PollInterval).UnixMilli()
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if markErr := a.repo.MarkGameOutboxRetryable(context.Background(), record.AppCode, record.EventID, err.Error(), nextRetryAtMS); markErr != nil {
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return 0, markErr
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}
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return len(records), err
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}
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if err := a.repo.MarkGameOutboxDelivered(context.Background(), record.AppCode, record.EventID); err != nil {
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return 0, err
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}
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}
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return len(records), nil
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}
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func (a *App) publishGameOutboxRecord(ctx context.Context, record mysqlstorage.GameOutboxRecord) error {
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body, err := gamemq.EncodeGameOutboxMessage(gamemq.GameOutboxMessage{
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AppCode: record.AppCode,
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EventID: record.EventID,
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EventType: record.EventType,
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OrderID: record.OrderID,
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UserID: record.UserID,
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PlatformCode: record.PlatformCode,
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GameID: record.GameID,
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OpType: record.OpType,
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CoinAmount: record.CoinAmount,
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PayloadJSON: record.PayloadJSON,
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OccurredAtMS: record.CreatedAtMS,
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})
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if err != nil {
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return err
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}
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return a.outboxProducer.SendSync(ctx, rocketmqx.Message{
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Topic: a.cfg.RocketMQ.GameOutbox.Topic,
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Tag: gamemq.TagGameOutboxEvent,
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Keys: []string{record.EventID, record.OrderID, record.GameID},
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Body: body,
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})
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}
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func (a *App) startMQ() error {
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if a.outboxProducer == nil {
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return nil
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}
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return a.outboxProducer.Start()
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}
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func (a *App) shutdownMQ() {
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if a.outboxProducer == nil {
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return
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}
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if err := a.outboxProducer.Shutdown(); err != nil {
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logx.Warn(context.Background(), "rocketmq_producer_shutdown_failed", slog.String("error", err.Error()))
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}
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}
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func (a *App) stopOutboxWorker() {
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if a.outboxCancel != nil {
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a.outboxCancel()
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}
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a.outboxWG.Wait()
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}
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func rocketMQProducerConfig(cfg config.RocketMQConfig) rocketmqx.ProducerConfig {
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return rocketmqx.ProducerConfig{
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EndpointConfig: rocketmqx.EndpointConfig{
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NameServers: cfg.NameServers,
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NameServerDomain: cfg.NameServerDomain,
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AccessKey: cfg.AccessKey,
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SecretKey: cfg.SecretKey,
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SecurityToken: cfg.SecurityToken,
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Namespace: cfg.Namespace,
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VIPChannel: cfg.VIPChannel,
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},
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GroupName: cfg.GameOutbox.ProducerGroup,
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SendTimeout: cfg.SendTimeout,
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Retry: cfg.Retry,
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}
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}
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func (a *App) runHealthHTTP() {
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if a.healthHTTP == nil {
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return
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}
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go func() {
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if err := a.healthHTTP.Run(); err != nil {
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logx.Error(context.Background(), "health_http_run_failed", err)
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}
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}()
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}
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func (a *App) closeHealthHTTP() {
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if a.healthHTTP == nil {
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return
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}
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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_ = a.healthHTTP.Close(ctx)
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}
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