38 {

    38 {

    39   static TypeId tid = TypeId ("ns3::UdpEchoServer")

    39   static TypeId tid = TypeId ("ns3::UdpEchoServer")

    40     .SetParent<Application> ()

    40     .SetParent<Application> ()

    41     .AddConstructor<UdpEchoServer> ()

    41     .AddConstructor<UdpEchoServer> ()

    42     .AddAttribute ("Port", "Port on which we listen for incoming packets.",

    42     .AddAttribute ("Port", "Port on which we listen for incoming packets.",

    44                    MakeUintegerAccessor (&UdpEchoServer::m_port),

    44                    MakeUintegerAccessor (&UdpEchoServer::m_port),

    45                    MakeUintegerChecker<uint16_t> ())

    45                    MakeUintegerChecker<uint16_t> ())

    46     ;

    46     ;

    47   return tid;

    47   return tid;

    48 }

    48 }