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6a18f59532
icanhasall is cute (for now), but the effect of the variable is clear only after tracking down its origin reading the commit. This change is intended to make it easier for people to have some intuition about its effect from its name.
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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Copyright (c) 2007-2013 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 ctx_t;
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class msg_t;
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class pipe_t;
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class io_thread_t;
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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 (zmq::ctx_t *parent_, uint32_t tid_, int sid_);
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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 (zmq::pipe_t *pipe_, bool subscribe_to_all_ = 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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// 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 (zmq::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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// If true, send all subscription messages upstream, not just
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// unique ones
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bool verbose;
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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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std::deque <blob_t> pending_data;
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std::deque <unsigned char> pending_flags;
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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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}
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#endif
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