private void sendIntroductionRequest(Peer peer) throws IOException {
  IntroductionRequest request=new IntroductionRequest(hashId,peer.getAddress(),connectionType,networkOperator);
  sendMesssage(request,peer);
}

private void sendIntroductionRequest ( Peer peer ) throws IOException { IntroductionRequest request = new IntroductionRequest ( hashId , peer . getAddress ( ) , connectionType , networkOperator ) ; sendMesssage ( request , peer ) ; }
send an introduction request .
