code: protected Socket getSocket(){
          if (mSocketFactoryRef != null && mSocketFactoryRef.get() != null) {
              return ((SSLSocketFactoryWrapper)mSocketFactoryRef.get()).getSocket();
          }
          return null;
      }
docs: This method requires mRequiresSocket to be set to true before connecting.
  @return the socket that ran this request if one was created for it.