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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 <new>
#include "zmq_connecter_init.hpp"
#include "zmq_connecter.hpp"
#include "io_thread.hpp"
#include "session.hpp"
#include "err.hpp"
zmq::zmq_connecter_init_t::zmq_connecter_init_t (io_thread_t *parent_,
socket_base_t *owner_, fd_t fd_, const options_t &options_,
const char *session_name_, const char *address_) :
owned_t (parent_, owner_),
options (options_),
session_name (session_name_)
{
// Create associated engine object.
engine = new (std::nothrow) zmq_engine_t (parent_, fd_, options, true,
address_);
zmq_assert (engine);
}
zmq::zmq_connecter_init_t::~zmq_connecter_init_t ()
{
if (engine)
delete engine;
}
bool zmq::zmq_connecter_init_t::read (::zmq_msg_t *msg_)
{
// Send identity.
int rc = zmq_msg_init_size (msg_, options.identity.size ());
zmq_assert (rc == 0);
memcpy (zmq_msg_data (msg_), options.identity.c_str (),
options.identity.size ());
// Initialisation is done at this point. Disconnect the engine from
// the init object.
engine->unplug ();
// Find the session associated with this connecter. If it doesn't exist
// drop the newly created connection. If it does, attach it to the
// connection.
session_t *session = NULL;
if (!session_name.empty ())
session = owner->find_session (session_name.c_str ());
if (!session) {
// TODO:
// The socket is already closing. The session is already shut down,
// so no point in continuing with connecting. Shut the connection down.
zmq_assert (false);
}
// No need to increment seqnum as it was alredy incremented above.
send_attach (session, engine, false);
engine = NULL;
// Destroy the init object.
term ();
return true;
}
bool zmq::zmq_connecter_init_t::write (::zmq_msg_t *msg_)
{
return false;
}
void zmq::zmq_connecter_init_t::flush ()
{
// We are not expecting any messages. No point in flushing.
}
void zmq::zmq_connecter_init_t::detach (owned_t *reconnecter_)
{
// Plug in the reconnecter object.
zmq_assert (reconnecter_);
send_plug (reconnecter_);
send_own (owner, reconnecter_);
// This function is called by engine when disconnection occurs.
// The engine will destroy itself, so we just drop the pointer here and
// start termination of the init object.
engine = NULL;
term ();
}
zmq::io_thread_t *zmq::zmq_connecter_init_t::get_io_thread ()
{
return choose_io_thread (options.affinity);
}
class zmq::socket_base_t *zmq::zmq_connecter_init_t::get_owner ()
{
return owner;
}
const char *zmq::zmq_connecter_init_t::get_session_name ()
{
return session_name.c_str ();
}
void zmq::zmq_connecter_init_t::process_plug ()
{
zmq_assert (engine);
engine->plug (this);
}
void zmq::zmq_connecter_init_t::process_unplug ()
{
if (engine)
engine->unplug ();
}
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