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Copyright (c) 2010-2011 250bpm s.r.o.
Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <>.
#include <deque>
#include <string>
#include "socket_base.hpp"
#include "session_base.hpp"
#include "mtrie.hpp"
#include "array.hpp"
#include "dist.hpp"
namespace zmq
class ctx_t;
class msg_t;
class pipe_t;
class io_thread_t;
class xpub_t :
public socket_base_t
xpub_t (zmq::ctx_t *parent_, uint32_t tid_, int sid_);
~xpub_t ();
// Implementations of virtual functions from socket_base_t.
void xattach_pipe (zmq::pipe_t *pipe_, bool icanhasall_ = false);
int xsend (zmq::msg_t *msg_, int flags_);
bool xhas_out ();
int xrecv (zmq::msg_t *msg_, int flags_);
bool xhas_in ();
void xread_activated (zmq::pipe_t *pipe_);
void xwrite_activated (zmq::pipe_t *pipe_);
int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
void xterminated (zmq::pipe_t *pipe_);
// Function to be applied to the trie to send all the subsciptions
// upstream.
static void send_unsubscription (unsigned char *data_, size_t size_,
void *arg_);
// Function to be applied to each matching pipes.
static void mark_as_matching (zmq::pipe_t *pipe_, void *arg_);
// List of all subscriptions mapped to corresponding pipes.
mtrie_t subscriptions;
// Distributor of messages holding the list of outbound pipes.
dist_t dist;
// If true, send all subscription messages upstream, not just
// unique ones
bool verbose;
// True if we are in the middle of sending a multi-part message.
bool more;
// List of pending (un)subscriptions, ie. those that were already
// applied to the trie, but not yet received by the user.
typedef std::basic_string <unsigned char> blob_t;
typedef std::deque <blob_t> pending_t;
pending_t pending;
xpub_t (const xpub_t&);
const xpub_t &operator = (const xpub_t&);
class xpub_session_t : public session_base_t
xpub_session_t (zmq::io_thread_t *io_thread_, bool connect_,
socket_base_t *socket_, const options_t &options_,
const address_t *addr_);
~xpub_session_t ();
xpub_session_t (const xpub_session_t&);
const xpub_session_t &operator = (const xpub_session_t&);
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