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