105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
package service
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import (
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"fmt"
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"git.hlsq.asia/mmorpg/service-common/config"
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"git.hlsq.asia/mmorpg/service-common/discover"
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"git.hlsq.asia/mmorpg/service-common/log"
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"git.hlsq.asia/mmorpg/service-common/utils"
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"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
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"google.golang.org/grpc"
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"google.golang.org/grpc/health"
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"google.golang.org/grpc/health/grpc_health_v1"
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"google.golang.org/grpc/keepalive"
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"net"
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"sync"
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"time"
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)
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type IService interface {
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Init(ready *sync.WaitGroup)
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SetReady()
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Close()
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}
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type Base struct {
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Target string
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ServiceName string
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SID string
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Serve *grpc.Server
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Cfg *config.GrpcConfig
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OnCustomGrpcServerOption func() []grpc.ServerOption
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OnInit func(serve *grpc.Server)
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OnClose func()
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wg *sync.WaitGroup
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healthcheck *health.Server
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}
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func (s *Base) Init(ready *sync.WaitGroup) {
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s.wg = &sync.WaitGroup{}
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s.wg.Add(1)
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s.SID = utils.SnowflakeInstance().Generate().String()
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go func() {
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defer s.wg.Done()
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defer s.OnClose()
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defer discover.UnRegisterGrpcServer(s.SID)
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// 监听端口
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lis, err := net.Listen("tcp", fmt.Sprintf(":%d", s.Cfg.Port))
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if err != nil {
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log.Errorf("%v ListenPort err: %v", s.Target, err)
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return
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}
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options := []grpc.ServerOption{
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grpc.ChainUnaryInterceptor(
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s.RecoveryInterceptor,
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s.LoggingInterceptor,
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),
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grpc.StatsHandler(otelgrpc.NewServerHandler()),
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grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
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MinTime: 20 * time.Second,
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PermitWithoutStream: true,
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}),
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}
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options = append(options, s.OnCustomGrpcServerOption()...)
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s.Serve = grpc.NewServer(options...)
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s.OnInit(s.Serve)
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// 健康检查
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s.healthcheck = health.NewServer()
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s.healthcheck.SetServingStatus("", grpc_health_v1.HealthCheckResponse_NOT_SERVING)
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grpc_health_v1.RegisterHealthServer(s.Serve, s.healthcheck)
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// 服务注册
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if err = discover.RegisterGrpcServer(s.Target, s.SID, fmt.Sprintf("%v:%d", s.Cfg.Address, s.Cfg.Port), s.Cfg.TTL); err != nil {
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log.Errorf("%v RegisterGrpcServer err: %v", s.Target, err)
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return
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}
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// 准备好了
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ready.Done()
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if err = s.Serve.Serve(lis); err != nil {
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log.Errorf("%v Serve err: %v", s.Target, err)
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return
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}
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log.Infof("%v server stop.", s.Target)
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}()
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}
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func (s *Base) SetReady() {
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if s.healthcheck != nil {
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s.healthcheck.SetServingStatus("", grpc_health_v1.HealthCheckResponse_SERVING)
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}
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}
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func (s *Base) Close() {
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if s.healthcheck != nil {
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s.healthcheck.SetServingStatus("", grpc_health_v1.HealthCheckResponse_NOT_SERVING)
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}
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if s.Serve != nil {
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s.Serve.GracefulStop()
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s.wg.Wait()
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}
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}
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