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/*
Copyright (c) 2007-2013 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_DEALER_HPP_INCLUDED__
#define __ZMQ_DEALER_HPP_INCLUDED__
#include "socket_base.hpp"
#include "session_base.hpp"
#include "fq.hpp"
#include "lb.hpp"
namespace zmq
{
class ctx_t;
class msg_t;
class pipe_t;
class io_thread_t;
class socket_base_t;
class dealer_t :
public socket_base_t
{
public:
dealer_t (zmq::ctx_t *parent_, uint32_t tid_, int sid);
~dealer_t ();
protected:
// Overloads of functions from socket_base_t.
void xattach_pipe (zmq::pipe_t *pipe_, bool subscribe_to_all_);
int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
int xsend (zmq::msg_t *msg_);
int xrecv (zmq::msg_t *msg_);
bool xhas_in ();
bool xhas_out ();
void xread_activated (zmq::pipe_t *pipe_);
void xwrite_activated (zmq::pipe_t *pipe_);
void xpipe_terminated (zmq::pipe_t *pipe_);
// Send and recv - knowing which pipe was used.
int sendpipe (zmq::msg_t *msg_, zmq::pipe_t **pipe_);
int recvpipe (zmq::msg_t *msg_, zmq::pipe_t **pipe_);
private:
// Messages are fair-queued from inbound pipes. And load-balanced to
// the outbound pipes.
fq_t fq;
lb_t lb;
// if true, send an empty message to every connected router peer
bool probe_router;
dealer_t (const dealer_t&);
const dealer_t &operator = (const dealer_t&);
};
}
#endif
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