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60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
/*
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Copyright (c) 2007-2009 FastMQ Inc.
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the Lesser GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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Lesser GNU General Public License for more details.
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You should have received a copy of the Lesser GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ZS_I_MUX_HPP_INCLUDED__
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#define __ZS_I_MUX_HPP_INCLUDED__
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namespace zs
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{
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struct i_mux
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{
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// Attaches mux to a particular session.
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virtual void set_session (class session_t *session_) = 0;
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// To be called when the whole infrastrucure is being closed (zs_term).
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virtual void shutdown () = 0;
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// To be called when session is being closed.
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virtual void terminate () = 0;
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// Adds new pipe to the mux to send messages to.
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virtual void attach_pipe (class pipe_reader_t *pipe_) = 0;
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// Removes pipe from the mux.
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virtual void detach_pipe (class pipe_reader_t *pipe_) = 0;
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// Returns true if there's no pipe attached.
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virtual bool empty () = 0;
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// Shifts the pipe from active to passive state and vice versa.
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// TODO: Check whether state transitions cannot be done by
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// mux object itself without a need for external APIs.
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virtual void deactivate (class pipe_reader_t *pipe_) = 0;
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virtual void reactivate (class pipe_reader_t *pipe_) = 0;
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// Receives a message. Returns false when there is no message
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// to receive.
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virtual bool recv (struct zs_msg *msg_) = 0;
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};
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}
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#endif
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