make udp support for radio-dish

src/udp_address.hpp

@@ -0,0 +1,84 @@
+/*
+    Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
+
+    This file is part of libzmq, the ZeroMQ core engine in C++.
+
+    libzmq is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License (LGPL) as published
+    by the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    As a special exception, the Contributors give you permission to link
+    this library with independent modules to produce an executable,
+    regardless of the license terms of these independent modules, and to
+    copy and distribute the resulting executable under terms of your choice,
+    provided that you also meet, for each linked independent module, the
+    terms and conditions of the license of that module. An independent
+    module is a module which is not derived from or based on this library.
+    If you modify this library, you must extend this exception to your
+    version of the library.
+
+    libzmq is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_UDP_ADDRESS_HPP_INCLUDED__
+#define __ZMQ_UDP_ADDRESS_HPP_INCLUDED__
+
+#include "platform.hpp"
+
+#if defined ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#else
+#include <sys/socket.h>
+#include <netinet/in.h>
+#endif
+
+namespace zmq
+{
+
+    class udp_address_t
+    {
+    public:
+
+        udp_address_t ();
+        virtual ~udp_address_t ();
+
+        int resolve (const char *name_);
+
+        //  The opposite to resolve()
+        virtual int to_string (std::string &addr_);
+
+#if defined ZMQ_HAVE_WINDOWS
+        unsigned short family () const;
+#else
+        sa_family_t family () const;
+#endif
+        const sockaddr *bind_addr () const;
+        socklen_t bind_addrlen () const;
+
+        const sockaddr *dest_addr () const;
+        socklen_t dest_addrlen () const;
+
+        bool is_mcast () const;
+
+        const in_addr multicast_ip () const;
+        const in_addr interface_ip () const;
+
+    private:
+
+        in_addr  multicast;
+        in_addr  interface;
+        sockaddr_in bind_address;
+        sockaddr_in dest_address;
+        bool is_mutlicast;
+        std::string address;
+    };
+}
+
+#endif