@Override
  public void handshake() throws Exception {
    // Do nothing
  }
Send data in IoTDB based on Opc Da protocol, using JNA. All data are converted into tablets, and
then push the newest value to the <b>local COM</b> server in another process.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/connector/protocol/opcda/OpcDaConnector.java