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/*
Copyright (c) 2007-2013 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"
#if defined ZMQ_HAVE_WINDOWS
#include "windows.hpp"
#else
#include <sys/socket.h>
#include <netinet/in.h>
#endif
namespace zmq
{
class tcp_address_t
{
public:
tcp_address_t ();
tcp_address_t (const sockaddr *sa, socklen_t sa_len);
virtual ~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 'ipv6' is true, the name may resolve to IPv6 address.
int resolve (const char *name_, bool local_, bool ipv6_);
// 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 *addr () const;
socklen_t addrlen () const;
protected:
int resolve_nic_name (const char *nic_, bool ipv6_);
int resolve_interface (const char *interface_, bool ipv6_);
int resolve_hostname (const char *hostname_, bool ipv6_);
union {
sockaddr generic;
sockaddr_in ipv4;
sockaddr_in6 ipv6;
} address;
};
class tcp_address_mask_t : public tcp_address_t
{
public:
tcp_address_mask_t ();
// This function enhances tcp_address_t::resolve() with ability to parse
// additional cidr-like(/xx) mask value at the end of the name string.
// Works only with remote hostnames.
int resolve (const char *name_, bool ipv6_);
// The opposite to resolve()
int to_string (std::string &addr_);
int mask () const;
bool match_address (const struct sockaddr *ss, const socklen_t ss_len) const;
private:
int address_mask;
};
}
#endif
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