func()

in server.go [189:217]

• 26 lines of code
• 8 McCabe index (conditional complexity)

func (s *server) listenTCP() error {
	var (
		err            error
		streamListener net.Listener
	)

	if len(s.addr) == 0 || !strings.Contains(s.addr, ":") {
		streamListener, err = gxnet.ListenOnTCPRandomPort(s.addr)
		if err != nil {
			return perrors.Wrapf(err, "gxnet.ListenOnTCPRandomPort(addr:%s)", s.addr)
		}
	} else {
		if s.sslEnabled {
			if sslConfig, buildTlsConfErr := s.tlsConfigBuilder.BuildTlsConfig(); buildTlsConfErr == nil && sslConfig != nil {
				streamListener, err = tls.Listen("tcp", s.addr, sslConfig)
			}
		} else {
			streamListener, err = net.Listen("tcp", s.addr)
		}
		if err != nil {
			return perrors.Wrapf(err, "net.Listen(tcp, addr:%s)", s.addr)
		}
	}

	s.streamListener = streamListener
	s.addr = s.streamListener.Addr().String()

	return nil
}