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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 <string>
#include "../include/zs.h"
#include "session_stub.hpp"
#include "i_engine.hpp"
#include "listener.hpp"
#include "err.hpp"
zs::session_stub_t::session_stub_t (listener_t *listener_) :
state (reading_identity),
engine (NULL),
listener (listener_),
index (-1)
{
}
void zs::session_stub_t::terminate ()
{
if (engine)
engine->terminate ();
delete this;
}
void zs::session_stub_t::shutdown ()
{
if (engine)
engine->shutdown ();
delete this;
}
zs::session_stub_t::~session_stub_t ()
{
}
void zs::session_stub_t::set_engine (i_engine *engine_)
{
zs_assert (!engine_ || !engine);
engine = engine_;
}
bool zs::session_stub_t::read (struct zs_msg *msg_)
{
// No messages are sent to the connecting peer.
return false;
}
bool zs::session_stub_t::write (struct zs_msg *msg_)
{
// The first message arrived is the connection identity.
if (state == reading_identity) {
identity = std::string ((const char*) zs_msg_data (msg_),
zs_msg_size (msg_));
state = has_identity;
return true;
}
// We are not interested in any subsequent messages.
return false;
}
void zs::session_stub_t::flush ()
{
// We have the identity. At this point we can find the correct session and
// attach it to the connection.
if (state == has_identity) {
// At this point the stub will be deleted. Return immediately without
// touching 'this' pointer.
listener->got_identity (this, identity.c_str ());
return;
}
}
zs::i_engine *zs::session_stub_t::detach_engine ()
{
// Ask engine to unregister from the poller.
i_engine *e = engine;
engine->detach ();
return e;
}
void zs::session_stub_t::set_index (int index_)
{
index = index_;
}
int zs::session_stub_t::get_index ()
{
return index;
}
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