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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 "i_engine.hpp"
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#include "stdint.hpp"
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#include "blob.hpp"
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#include "msg.hpp"
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#include "own.hpp"
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#include "fd.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 :
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public own_t,
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public i_engine_sink
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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_engine_sink interface implementation.
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bool read (class msg_t *msg_);
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bool write (class 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 <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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