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So far the only property passed on connection initiation was identity. The mechanism was now made extensible. Additional properties are needed to introduce functionality such as checking the peer's socket type, "subports" etc. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
/*
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Copyright (c) 2007-2011 iMatix Corporation
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Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
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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 GNU Lesser 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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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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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#ifndef __ZMQ_ZMQ_INIT_HPP_INCLUDED__
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#define __ZMQ_ZMQ_INIT_HPP_INCLUDED__
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#include <vector>
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#include "../include/zmq.h"
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#include "i_inout.hpp"
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#include "i_engine.hpp"
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#include "own.hpp"
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#include "fd.hpp"
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#include "stdint.hpp"
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#include "blob.hpp"
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namespace zmq
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{
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// The class handles initialisation phase of 0MQ wire-level protocol.
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class zmq_init_t : public own_t, public i_inout
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{
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public:
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zmq_init_t (class io_thread_t *io_thread_, class socket_base_t *socket_,
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class session_t *session_, fd_t fd_, const options_t &options_);
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~zmq_init_t ();
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private:
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// Peer property IDs.
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enum prop_t
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{
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prop_type = 1,
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prop_identity = 2
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};
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void finalise_initialisation ();
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void dispatch_engine ();
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// i_inout interface implementation.
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bool read (::zmq_msg_t *msg_);
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bool write (::zmq_msg_t *msg_);
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void flush ();
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void detach ();
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// Handlers for incoming commands.
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void process_plug ();
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void process_unplug ();
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// Associated wire-protocol engine.
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i_engine *engine;
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// Detached transient engine.
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i_engine *ephemeral_engine;
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// List of messages to send to the peer during the connection
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// initiation phase.
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typedef std::vector < ::zmq_msg_t> to_send_t;
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to_send_t to_send;
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// True if peer's identity was already received.
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bool received;
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// Socket the object belongs to.
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class socket_base_t *socket;
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// Reference to the session the init object belongs to.
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// If the associated session is unknown and should be found
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// depending on peer identity this value is NULL.
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class session_t *session;
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// Identity of the peer socket.
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blob_t peer_identity;
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// I/O thread the object is living in. It will be used to plug
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// the engine into the same I/O thread.
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class io_thread_t *io_thread;
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zmq_init_t (const zmq_init_t&);
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const zmq_init_t &operator = (const zmq_init_t&);
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};
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}
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#endif
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