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114 lines
3.4 KiB
C++
114 lines
3.4 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_RADIO_HPP_INCLUDED__
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#define __ZMQ_RADIO_HPP_INCLUDED__
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#include <map>
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#include <string>
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#include <vector>
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#include "socket_base.hpp"
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#include "session_base.hpp"
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#include "dist.hpp"
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#include "msg.hpp"
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namespace zmq
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{
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class ctx_t;
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class pipe_t;
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class io_thread_t;
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class radio_t ZMQ_FINAL : public socket_base_t
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{
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public:
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radio_t (zmq::ctx_t *parent_, uint32_t tid_, int sid_);
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~radio_t ();
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// Implementations of virtual functions from socket_base_t.
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void xattach_pipe (zmq::pipe_t *pipe_,
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bool subscribe_to_all_ = false,
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bool locally_initiated_ = false);
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int xsend (zmq::msg_t *msg_);
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bool xhas_out ();
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int xrecv (zmq::msg_t *msg_);
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bool xhas_in ();
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void xread_activated (zmq::pipe_t *pipe_);
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void xwrite_activated (zmq::pipe_t *pipe_);
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int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
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void xpipe_terminated (zmq::pipe_t *pipe_);
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private:
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// List of all subscriptions mapped to corresponding pipes.
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typedef std::multimap<std::string, pipe_t *> subscriptions_t;
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subscriptions_t _subscriptions;
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// List of udp pipes
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typedef std::vector<pipe_t *> udp_pipes_t;
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udp_pipes_t _udp_pipes;
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// Distributor of messages holding the list of outbound pipes.
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dist_t _dist;
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// Drop messages if HWM reached, otherwise return with EAGAIN
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bool _lossy;
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ZMQ_NON_COPYABLE_NOR_MOVABLE (radio_t)
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};
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class radio_session_t ZMQ_FINAL : public session_base_t
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{
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public:
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radio_session_t (zmq::io_thread_t *io_thread_,
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bool connect_,
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zmq::socket_base_t *socket_,
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const options_t &options_,
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address_t *addr_);
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~radio_session_t ();
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// Overrides of the functions from session_base_t.
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int push_msg (msg_t *msg_);
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int pull_msg (msg_t *msg_);
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void reset ();
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private:
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enum
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{
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group,
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body
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} _state;
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msg_t _pending_msg;
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ZMQ_NON_COPYABLE_NOR_MOVABLE (radio_session_t)
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};
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}
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#endif
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