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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_MUX_HPP_INCLUDED__
-#define __ZMQ_I_MUX_HPP_INCLUDED__
-
-namespace zmq
-{
-
- struct i_mux
- {
- // Attaches mux to a particular session.
- virtual void set_session (class session_t *session_) = 0;
-
- // To be called when the whole infrastrucure
- // is being closed (zmq_term).
- virtual void shutdown () = 0;
-
- // To be called when session is being closed.
- virtual void terminate () = 0;
-
- // Adds new pipe to the mux to send messages to.
- virtual void attach_pipe (class pipe_reader_t *pipe_) = 0;
-
- // Removes pipe from the mux.
- virtual void detach_pipe (class pipe_reader_t *pipe_) = 0;
-
- // Returns true if there's no pipe attached.
- virtual bool empty () = 0;
-
- // Shifts the pipe from active to passive state and vice versa.
- // TODO: Check whether state transitions cannot be done by
- // mux object itself without a need for external APIs.
- virtual void deactivate (class pipe_reader_t *pipe_) = 0;
- virtual void reactivate (class pipe_reader_t *pipe_) = 0;
-
- // Receives a message. Returns false when there is no message
- // to receive.
- virtual bool recv (struct zmq_msg *msg_) = 0;
- };
-
-}
-
-#endif