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/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_I_INOUT_HPP_INCLUDED__
#define __ZMQ_I_INOUT_HPP_INCLUDED__
#include "../c/zmq.h"
namespace zmq
{
struct i_inout
{
// Engine asks to get a message to send to the network.
virtual bool read (::zmq_msg_t *msg_) = 0;
// Engine sends the incoming message further on downstream.
virtual bool write (::zmq_msg_t *msg_) = 0;
// Flush all the previously written messages downstream.
virtual void flush () = 0;
// Drop all the references to the engine.
virtual void detach () = 0;
};
}
#endif
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