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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/>.
*/
#include "owned.hpp"
#include "err.hpp"
zmq::owned_t::owned_t (object_t *parent_, socket_base_t *owner_) :
object_t (parent_),
owner (owner_),
sent_seqnum (0),
processed_seqnum (0),
shutting_down (false)
{
}
zmq::owned_t::~owned_t ()
{
}
void zmq::owned_t::inc_seqnum ()
{
// NB: This function may be called from a different thread!
sent_seqnum.add (1);
}
void zmq::owned_t::process_plug ()
{
// Keep track of how many commands were processed so far.
processed_seqnum++;
finalise_command ();
}
void zmq::owned_t::process_attach (struct i_engine *engine_)
{
// Keep track of how many commands were processed so far.
processed_seqnum++;
finalise_command ();
}
void zmq::owned_t::term ()
{
send_term_req (owner, this);
}
void zmq::owned_t::process_term ()
{
zmq_assert (!shutting_down);
shutting_down = true;
finalise_command ();
}
void zmq::owned_t::finalise_command ()
{
// If termination request was already received and there are no more
// commands to wait for, terminate the object.
if (shutting_down && processed_seqnum == sent_seqnum.get ()) {
process_unplug ();
send_term_ack (owner);
delete this;
}
}
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