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59 lines
2.0 KiB
C++
59 lines
2.0 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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#include "precompiled.hpp"
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#include "metadata.hpp"
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zmq::metadata_t::metadata_t (const dict_t &dict_) : _ref_cnt (1), _dict (dict_)
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{
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}
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const char *zmq::metadata_t::get (const std::string &property_) const
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{
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const dict_t::const_iterator it = _dict.find (property_);
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if (it == _dict.end ()) {
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/** \todo remove this when support for the deprecated name "Identity" is dropped */
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if (property_ == "Identity")
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return get (ZMQ_MSG_PROPERTY_ROUTING_ID);
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return NULL;
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}
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return it->second.c_str ();
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}
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void zmq::metadata_t::add_ref ()
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{
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_ref_cnt.add (1);
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}
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bool zmq::metadata_t::drop_ref ()
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{
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return !_ref_cnt.sub (1);
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}
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