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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 "io_object.hpp"
#include "io_thread.hpp"
#include "err.hpp"
zmq::io_object_t::io_object_t (io_thread_t *parent_, object_t *owner_) :
object_t (parent_),
owner (owner_),
plugged_in (false),
terminated (false)
{
// Retrieve the poller from the thread we are running in.
poller = parent_->get_poller ();
}
zmq::io_object_t::~io_object_t ()
{
}
void zmq::io_object_t::process_plug ()
{
zmq_assert (!plugged_in);
// If termination of the object was already requested, destroy it and
// send the termination acknowledgement.
if (terminated) {
send_term_ack (owner);
delete this;
return;
}
// Notify the generic termination mechanism (io_object_t) that the object
// is already plugged in.
plugged_in = true;
}
zmq::handle_t zmq::io_object_t::add_fd (fd_t fd_)
{
return poller->add_fd (fd_, this);
}
void zmq::io_object_t::rm_fd (handle_t handle_)
{
poller->rm_fd (handle_);
}
void zmq::io_object_t::set_pollin (handle_t handle_)
{
poller->set_pollin (handle_);
}
void zmq::io_object_t::reset_pollin (handle_t handle_)
{
poller->reset_pollin (handle_);
}
void zmq::io_object_t::set_pollout (handle_t handle_)
{
poller->set_pollout (handle_);
}
void zmq::io_object_t::reset_pollout (handle_t handle_)
{
poller->reset_pollout (handle_);
}
void zmq::io_object_t::add_timer ()
{
poller->add_timer (this);
}
void zmq::io_object_t::cancel_timer ()
{
poller->cancel_timer (this);
}
void zmq::io_object_t::in_event ()
{
zmq_assert (false);
}
void zmq::io_object_t::out_event ()
{
zmq_assert (false);
}
void zmq::io_object_t::timer_event ()
{
zmq_assert (false);
}
void zmq::io_object_t::term ()
{
send_term_req (owner, this);
}
void zmq::io_object_t::process_term ()
{
zmq_assert (!terminated);
// If termination request has occured even before the object was plugged in
// wait till plugging in happens, then acknowledge the termination.
if (!plugged_in) {
terminated = true;
return;
}
// Otherwise, destroy the object and acknowledge the termination
// straight away.
send_term_ack (owner);
process_unplug ();
delete this;
}
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