测试

main.go

@@ -8,6 +8,5 @@ func init() {
 
 //go:generate bash -c "protoc --go_out=plugins=grpc:. proto/*.proto"
 func main() {
-
 	NewNetCard().Run()
 }

tap.go

@@ -21,9 +21,10 @@ type NetCard struct {
 
 type RPCClient struct {
 	FrameChan chan [][]byte
+	conn      *grpc.ClientConn
 }
 
-func (cli *RPCClient) run() {
+func (cli *RPCClient) connect() {
 	log.Println("rpcclient start")
 	defer log.Println("rpcclient exit")
 
@@ -31,11 +32,16 @@ func (cli *RPCClient) run() {
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
 	)
 	if err != nil {
-		log.Fatalf("did not connect: %v", err)
+		log.Printf("did not connect: %v", err)
+		return
 	}
-	defer conn.Close()
-	c := gen.NewFrameServiceClient(conn)
+	cli.conn = conn
+	go cli.run()
+}
 
+func (cli *RPCClient) run() {
+
+	c := gen.NewFrameServiceClient(cli.conn)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
 	defer cancel()
 	stream, err := c.SendFrames(ctx)
@@ -55,13 +61,12 @@ func (cli *RPCClient) run() {
 			panic(err)
 		}
 	}
-
 }
 
 func (nc *NetCard) Run() {
 	go nc.runRead()
 	go nc.runWrite()
-	go nc.cli.run()
+	// go nc.cli.run()
 	nc.server.run()
 }
 
@@ -105,7 +110,12 @@ func (nc *NetCard) runRead() {
 		}
 
 		if len(framesBytes) > 0 {
-			nc.cli.FrameChan <- framesBytes // 网卡数据 发到对方
+			if nc.cli.conn == nil {
+				nc.cli.connect()
+			}
+			if nc.cli.conn != nil {
+				nc.cli.FrameChan <- framesBytes // 网卡数据 发到对方
+			}
 		}
 
 		// 写到grpc服务