131 lines
3.1 KiB
Go
131 lines
3.1 KiB
Go
package server
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import (
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"fmt"
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"log"
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"net"
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"time"
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"datarush/internal/competition/config"
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grpcHandlers "datarush/internal/competition/handler/grpc"
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"datarush/internal/competition/repository/postgres"
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"datarush/internal/competition/service"
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authpb "datarush/pkg/api/auth"
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pb "datarush/pkg/api/competition"
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"datarush/pkg/interceptor"
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"github.com/jmoiron/sqlx"
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_ "github.com/lib/pq"
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"github.com/redis/go-redis/v9"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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"google.golang.org/grpc/reflection"
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)
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const (
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httpReadTimeout = 10 * time.Second
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httpWriteTimeout = 10 * time.Second
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httpIdleTimeout = 60 * time.Second
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)
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type Server struct {
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grpcServer *grpc.Server
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config *config.Config
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db *sqlx.DB
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redisClient *redis.Client
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authConn *grpc.ClientConn
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}
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func New(cfg *config.Config) *Server {
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return &Server{
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config: cfg,
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}
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}
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func (s *Server) Start() error {
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db, err := sqlx.Connect("postgres", s.config.BuildPostgresConnStr())
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if err != nil {
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return fmt.Errorf("failed to connect to postgres: %w", err)
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}
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s.db = db
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s.redisClient = redis.NewClient(&redis.Options{
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Addr: s.config.RedisAddr,
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Password: s.config.RedisPassword,
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DB: s.config.RedisDB,
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})
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authConn, err := grpc.Dial(s.config.AuthSvcAddr, grpc.WithTransportCredentials(insecure.NewCredentials()))
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if err != nil {
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return fmt.Errorf("failed to connect to auth service: %w", err)
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}
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s.authConn = authConn
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if err := s.registerGRPCServices(); err != nil {
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return fmt.Errorf("failed to register gRPC services: %w", err)
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}
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go func() {
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lis, err := net.Listen("tcp", fmt.Sprintf(":%d", s.config.GRPCPort))
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if err != nil {
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log.Fatalf("failed to listen on grpc port: %v", err)
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}
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log.Printf("starting gRPC server on port %d", s.config.GRPCPort)
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if err := s.grpcServer.Serve(lis); err != nil {
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log.Fatalf("failed to serve gRPC: %v", err)
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}
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}()
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return nil
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}
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func (s *Server) registerGRPCServices() error {
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authClient := authpb.NewAuthServiceClient(s.authConn)
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authInterceptor := interceptor.NewAuthInterceptor(authClient)
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s.grpcServer = grpc.NewServer(
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grpc.UnaryInterceptor(authInterceptor.Unary()),
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)
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compRepo := postgres.NewCompetitionRepository(s.db, s.redisClient, s.config.CacheEnabled)
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compService := service.NewCompetitionService(compRepo)
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compHandler := grpcHandlers.NewCompetitionHandler(compService)
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pb.RegisterCompetitionServiceServer(s.grpcServer, compHandler)
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if s.config.GRPCEnableReflection {
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reflection.Register(s.grpcServer)
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}
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return nil
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}
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func (s *Server) Stop() {
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log.Println("shutting down competition server...")
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if s.grpcServer != nil {
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s.grpcServer.GracefulStop()
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}
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if s.authConn != nil {
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if err := s.authConn.Close(); err != nil {
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log.Printf("failed to close auth service connection: %v", err)
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}
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}
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if s.db != nil {
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if err := s.db.Close(); err != nil {
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log.Printf("failed to close database: %v", err)
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}
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}
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if s.redisClient != nil {
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if err := s.redisClient.Close(); err != nil {
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log.Printf("failed to close redis client: %v", err)
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}
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}
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log.Println("competition server stopped")
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}
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