fri_udp_connection_file_descriptor.diff

diff --git a/include/friUdpConnection.h b/include/friUdpConnection.h
index 10eaa8b..ff63f27 100644
--- a/include/friUdpConnection.h
+++ b/include/friUdpConnection.h
@@ -114,6 +114,8 @@ namespace FRI
        */
       virtual bool send(const char* buffer, int size);
    
+     int udpSock() const { return _udpSock; }
+
    private:
    
       int _udpSock;                          //!< UDP socket handle