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101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/*
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Copyright (c) 2010-2011 250bpm s.r.o.
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Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ 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 as published by
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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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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public 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_XPUB_HPP_INCLUDED__
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#define __ZMQ_XPUB_HPP_INCLUDED__
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#include <deque>
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#include <string>
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#include "socket_base.hpp"
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#include "session_base.hpp"
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#include "mtrie.hpp"
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#include "array.hpp"
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#include "dist.hpp"
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namespace zmq
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{
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class xpub_t :
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public socket_base_t
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{
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public:
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xpub_t (class ctx_t *parent_, uint32_t tid_);
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~xpub_t ();
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// Implementations of virtual functions from socket_base_t.
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void xattach_pipe (class pipe_t *pipe_);
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int xsend (class msg_t *msg_, int flags_);
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bool xhas_out ();
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int xrecv (class msg_t *msg_, int flags_);
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bool xhas_in ();
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void xread_activated (class pipe_t *pipe_);
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void xwrite_activated (class pipe_t *pipe_);
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void xterminated (class pipe_t *pipe_);
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private:
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// Function to be applied to the trie to send all the subsciptions
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// upstream.
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static void send_unsubscription (unsigned char *data_, size_t size_,
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void *arg_);
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// Function to be applied to each matching pipes.
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static void mark_as_matching (class pipe_t *pipe_, void *arg_);
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// List of all subscriptions mapped to corresponding pipes.
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mtrie_t subscriptions;
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// Distributor of messages holding the list of outbound pipes.
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dist_t dist;
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// True if we are in the middle of sending a multi-part message.
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bool more;
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// List of pending (un)subscriptions, ie. those that were already
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// applied to the trie, but not yet received by the user.
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typedef std::basic_string <unsigned char> blob_t;
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typedef std::deque <blob_t> pending_t;
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pending_t pending;
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xpub_t (const xpub_t&);
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const xpub_t &operator = (const xpub_t&);
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};
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class xpub_session_t : public session_base_t
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{
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public:
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xpub_session_t (class io_thread_t *io_thread_, bool connect_,
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class socket_base_t *socket_, const options_t &options_,
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const char *protocol_, const char *address_);
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~xpub_session_t ();
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private:
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xpub_session_t (const xpub_session_t&);
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const xpub_session_t &operator = (const xpub_session_t&);
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};
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}
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#endif
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