feat 改名

Server/gatewaytt/grpc_server/stream_client/scene.go

@@ -0,0 +1,65 @@
+package stream_client
+
+import (
+	"common/log"
+	"common/net/grpc/service"
+	"context"
+	"google.golang.org/grpc"
+	"google.golang.org/protobuf/proto"
+)
+
+var sceneServerM map[int64]map[SceneFun]grpc.ClientStream // map[sid]map[方法名]流连接
+
+type SceneFun int
+
+const (
+	FunAction SceneFun = iota
+)
+
+func init() {
+	sceneServerM = make(map[int64]map[SceneFun]grpc.ClientStream)
+}
+
+func findSceneBySID(sid int64, fun SceneFun) (grpc.ClientStream, error) {
+	g := sceneServerM[sid]
+	if g == nil {
+		g = make(map[SceneFun]grpc.ClientStream)
+		sceneServerM[sid] = g
+	}
+	sceneLink := g[fun]
+	if sceneLink == nil {
+		sceneClient, err := service.SceneNewClient(sid)
+		if err != nil {
+			log.Errorf("cannot find sceneClient: %v", err)
+			return nil, err
+		}
+		var link grpc.ClientStream
+		switch fun {
+		case FunAction:
+			link, err = sceneClient.Action(context.Background())
+		}
+		if err != nil {
+			log.Errorf("findSceneBySID %v err: %v, sid: %v", fun, err, sid)
+			return nil, err
+		}
+		g[fun] = link
+		sceneLink = link
+	}
+	return sceneLink, nil
+}
+
+func SendMessageToScene(sid int64, fun SceneFun, msg proto.Message, re ...bool) error {
+	stream, err := findSceneBySID(sid, fun)
+	if err != nil {
+		return err
+	}
+	if err = stream.SendMsg(msg); err != nil {
+		if re == nil || !re[0] {
+			_ = stream.CloseSend()
+			delete(sceneServerM[sid], fun)
+			return SendMessageToScene(sid, fun, msg, true)
+		}
+		return err
+	}
+	return nil
+}