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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_FQ_HPP_INCLUDED__
-#define __ZMQ_FQ_HPP_INCLUDED__
-
-#include "array.hpp"
-#include "pipe.hpp"
-#include "msg.hpp"
-
-namespace zmq
-{
-
- // Class manages a set of inbound pipes. On receive it performs fair
- // queueing so that senders gone berserk won't cause denial of
- // service for decent senders.
-
- class fq_t
- {
- public:
-
- fq_t ();
- ~fq_t ();
-
- void attach (pipe_t *pipe_);
- void activated (pipe_t *pipe_);
- void pipe_terminated (pipe_t *pipe_);
-
- int recv (msg_t *msg_);
- int recvpipe (msg_t *msg_, pipe_t **pipe_);
- bool has_in ();
-
- private:
-
- // Inbound pipes.
- typedef array_t <pipe_t, 1> pipes_t;
- pipes_t pipes;
-
- // Number of active pipes. All the active pipes are located at the
- // beginning of the pipes array.
- pipes_t::size_type active;
-
- // Index of the next bound pipe to read a message from.
- pipes_t::size_type current;
-
- // If true, part of a multipart message was already received, but
- // there are following parts still waiting in the current pipe.
- bool more;
-
- fq_t (const fq_t&);
- const fq_t &operator = (const fq_t&);
- };
-
-}
-
-#endif