Method bind

src/utils/socket_client_udp.cpp:153–188

}

int SocketClientUDP::bind ()
{
    // for socket clients which dont call sendto before recvfrom bind should be called on client
    // side
    // https://stackoverflow.com/questions/3057029/do-i-have-to-bind-a-udp-socket-in-my-client-program-to-receive-data-i-always-g
    if (connect_socket != INVALID_SOCKET)
    {
        return (int)SocketClientUDPReturnCodes::SOCKET_ALREADY_CREATED_ERROR;
    }

    WSADATA wsadata;
    int res = WSAStartup (MAKEWORD (2, 2), &wsadata);
    if (res != 0)
    {
        return (int)SocketClientUDPReturnCodes::WSA_STARTUP_ERROR;
    }
    socket_addr.sin_family = AF_INET;
    socket_addr.sin_port = htons (port);
    socket_addr.sin_addr.s_addr = htonl (INADDR_ANY);
    connect_socket = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
    if (connect_socket == INVALID_SOCKET)
    {
        return (int)SocketClientUDPReturnCodes::CREATE_SOCKET_ERROR;
    }

    // ensure that library will not hang in blocking recv/send call
    DWORD timeout = 5000;
    setsockopt (connect_socket, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof (timeout));
    setsockopt (connect_socket, SOL_SOCKET, SO_SNDTIMEO, (char *)&timeout, sizeof (timeout));

    if (::bind (connect_socket, (const struct sockaddr *)&socket_addr, sizeof (socket_addr)) != 0)
    {
        return (int)SocketClientUDPReturnCodes::CONNECT_ERROR;
    }
    return (int)SocketClientUDPReturnCodes::STATUS_OK;
}

int SocketClientUDP::get_local_port ()
{