75 lines
1.6 KiB
Go
75 lines
1.6 KiB
Go
package grpcserver
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import (
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"context"
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"log/slog"
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"net"
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"time"
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commonpb "gitea.haiyihy.com/hy/chatappcommon/proto"
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"google.golang.org/grpc"
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)
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// PayService 定义支付下单能力。
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type PayService interface {
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Pay(ctx context.Context, request *commonpb.PayRequest) (*commonpb.PayResponse, error)
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}
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// Server 包装支付服务 gRPC 服务端。
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type Server struct {
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addr string
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shutdownTimeout time.Duration
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logger *slog.Logger
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grpcServer *grpc.Server
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}
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type handler struct {
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commonpb.UnimplementedChatAppPayServiceServer
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service PayService
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}
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func (h handler) Pay(ctx context.Context, request *commonpb.PayRequest) (*commonpb.PayResponse, error) {
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return h.service.Pay(ctx, request)
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}
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// New 创建 gRPC 服务。
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func New(addr string, shutdownTimeout time.Duration, logger *slog.Logger, service PayService) *Server {
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grpcServer := grpc.NewServer()
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commonpb.RegisterChatAppPayServiceServer(grpcServer, handler{service: service})
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return &Server{
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addr: addr,
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shutdownTimeout: shutdownTimeout,
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logger: logger,
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grpcServer: grpcServer,
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}
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}
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// Run 启动 gRPC 服务并在退出时优雅停机。
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func (s *Server) Run(ctx context.Context) error {
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listener, err := net.Listen("tcp", s.addr)
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if err != nil {
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return err
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}
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go func() {
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<-ctx.Done()
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done := make(chan struct{})
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go func() {
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s.grpcServer.GracefulStop()
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close(done)
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}()
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select {
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case <-done:
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case <-time.After(s.shutdownTimeout):
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s.grpcServer.Stop()
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}
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}()
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s.logger.Info("pay grpc server started", "addr", s.addr)
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if err := s.grpcServer.Serve(listener); err != nil {
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return err
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}
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return nil
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}
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