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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 __ZS_I_DEMUX_HPP_INCLUDED__
#define __ZS_I_DEMUX_HPP_INCLUDED__
namespace zs
{
struct i_demux
{
// 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 (zs_term).
virtual void shutdown () = 0;
// To be called when session is being closed.
virtual void terminate () = 0;
// Adds new pipe to the demux to send messages to.
virtual void attach_pipe (class pipe_writer_t *pipe_) = 0;
// Removes pipe from the demux.
virtual void detach_pipe (class pipe_writer_t *pipe_) = 0;
// Returns true if there's no pipe attached.
virtual bool empty () = 0;
// Sends the message. Returns false if the message cannot be sent
// because the pipes are full.
virtual bool send (struct zs_msg *msg_) = 0;
// Flushes messages downstream.
virtual void flush () = 0;
};
}
#endif
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