public void shutDown() {
            logger.info("ClientMgr({}) shutdown MaintThread!", senderId);
            bShutDown = true;
            this.interrupt();
        }
Build up the connection between the server and client.
inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/network/tcp/TcpClientMgr.java