temp

Server/common/discover/service/client_gateway.go

@@ -0,0 +1,24 @@
+package service
+
+import (
+	"common/discover"
+	"common/discover/common"
+	"common/discover/service/game/game_pb"
+)
+
+func GatewayNewClient(sid ...string) (game_pb.GameClient, error) {
+	c, err := discover.FindServer(common.KeyDiscoverGateway, sid...)
+	if err != nil {
+		return nil, err
+	}
+	return game_pb.NewGameClient(c), nil
+}
+
+func GatewayNewBroadcastClient() map[string]game_pb.GameClient {
+	clientM := make(map[string]game_pb.GameClient)
+	connM := discover.FindServerAll(common.KeyDiscoverGateway)
+	for sid, conn := range connM {
+		clientM[sid] = game_pb.NewGameClient(conn)
+	}
+	return clientM
+}

Server/common/discover/service/service.go

@@ -0,0 +1,94 @@
+package service
+
+import (
+	"common/discover"
+	"common/discover/common"
+	"common/log"
+	"common/utils"
+	"context"
+	"fmt"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/keepalive"
+	"os"
+	"strconv"
+	"sync"
+	"time"
+)
+
+type IService interface {
+	Init(addr string)
+	Close()
+}
+
+type ServiceBase struct {
+	Target  string
+	SID     string
+	Serve   *grpc.Server
+	EtcdTTL int64
+	OnInit  func(serve *grpc.Server)
+	OnClose func()
+
+	wg *sync.WaitGroup
+}
+
+func (s *ServiceBase) Init(addr string) {
+	s.wg = &sync.WaitGroup{}
+	s.wg.Add(1)
+	s.SID = utils.SnowflakeInstance().Generate().String()
+	go func() {
+		defer s.wg.Done()
+		defer s.OnClose()
+		defer discover.UnRegisterGrpcServer(s.SID)
+
+		pMin, _ := strconv.ParseInt(os.Getenv("P_MIN"), 10, 64)
+		pMax, _ := strconv.ParseInt(os.Getenv("P_MAX"), 10, 64)
+		if pMin == 0 || pMax == 0 || pMin > pMax {
+			log.Errorf(" %v init err: pMin or pMax is 0 or pMin > pMax", s.Target)
+			return
+		}
+
+		// 服务注册
+		lis, port, err := common.ListenRandomPort(pMin, pMax)
+		if lis == nil {
+			log.Errorf(" %v ListenRandomPort err: %v", s.Target, err)
+			return
+		}
+
+		s.Serve = grpc.NewServer(
+			grpc.UnaryInterceptor(
+				func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
+					defer func() {
+						if r := recover(); r != nil {
+							log.Errorf("server Panic: %v", r)
+						}
+					}()
+					resp, err = handler(ctx, req)
+					return
+				},
+			),
+			grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
+				MinTime:             20 * time.Second,
+				PermitWithoutStream: true,
+			}),
+		)
+		s.OnInit(s.Serve)
+
+		// 服务注册
+		if err = discover.RegisterGrpcServer(s.Target, s.SID, fmt.Sprintf("%v:%d", addr, port), s.EtcdTTL); err != nil {
+			log.Errorf("%v RegisterGrpcServer err: %v", s.Target, err)
+			return
+		}
+		if err = s.Serve.Serve(lis); err != nil {
+			log.Errorf(" %v Serve err: %v", s.Target, err)
+			return
+		}
+		log.Infof("%v server stop.", s.Target)
+	}()
+}
+
+func (s *ServiceBase) Close() {
+	if s.Serve != nil {
+		s.Serve.Stop()
+		s.wg.Wait()
+	}
+}