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94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ZMQ_TCP_ADDRESS_HPP_INCLUDED__
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#define __ZMQ_TCP_ADDRESS_HPP_INCLUDED__
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#if !defined ZMQ_HAVE_WINDOWS
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#include <sys/socket.h>
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#include <netinet/in.h>
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#endif
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#include "ip_resolver.hpp"
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namespace zmq
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{
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class tcp_address_t
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{
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public:
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tcp_address_t ();
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tcp_address_t (const sockaddr *sa_, socklen_t sa_len_);
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// This function translates textual TCP address into an address
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// structure. If 'local' is true, names are resolved as local interface
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// names. If it is false, names are resolved as remote hostnames.
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// If 'ipv6' is true, the name may resolve to IPv6 address.
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int resolve (const char *name_, bool local_, bool ipv6_);
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// The opposite to resolve()
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int to_string (std::string &addr_) const;
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#if defined ZMQ_HAVE_WINDOWS
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unsigned short family () const;
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#else
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sa_family_t family () const;
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#endif
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const sockaddr *addr () const;
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socklen_t addrlen () const;
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const sockaddr *src_addr () const;
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socklen_t src_addrlen () const;
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bool has_src_addr () const;
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private:
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ip_addr_t _address;
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ip_addr_t _source_address;
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bool _has_src_addr;
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};
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class tcp_address_mask_t
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{
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public:
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tcp_address_mask_t ();
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// This function enhances tcp_address_t::resolve() with ability to parse
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// additional cidr-like(/xx) mask value at the end of the name string.
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// Works only with remote hostnames.
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int resolve (const char *name_, bool ipv6_);
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bool match_address (const struct sockaddr *ss_, socklen_t ss_len_) const;
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private:
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ip_addr_t _network_address;
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int _address_mask;
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};
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}
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#endif
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