TCP address related functionality moved to tcp_address_t

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

src/tcp_address.hpp

@@ -0,0 +1,68 @@
+/*
+    Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ 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_TCP_ADDRESS_HPP_INCLUDED__
+#define __ZMQ_TCP_ADDRESS_HPP_INCLUDED__
+
+#include "platform.hpp"
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+namespace zmq
+{
+
+    class tcp_address_t
+    {
+    public:
+
+        tcp_address_t ();
+        ~tcp_address_t ();
+
+        //  This function translates textual TCP address into an address
+        //  strcuture. If 'local' is true, names are resolved as local interface
+        //  names. If it is false, names are resolved as remote hostnames.
+        //  If 'ipv4only' is true, the name will never resolve to IPv6 address.
+        int resolve (const char* name_, bool local_, bool ipv4only_);
+
+        sa_family_t family ();
+        sockaddr *addr ();
+        socklen_t addrlen ();
+
+    private:
+
+        int resolve_interface (char const *interface_, bool ipv4only_);
+        int resolve_hostname (const char *hostname_, bool ipv4only_);
+
+        union {
+            sockaddr generic;
+            sockaddr_in ipv4;
+            sockaddr_in6 ipv6;
+            char padding [1024];
+        } address;
+
+        tcp_address_t (const tcp_address_t&);
+        const tcp_address_t &operator = (const tcp_address_t&);
+    };
+    
+}
+
+#endif
+