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/*
Copyright (c) 2007-2011 iMatix Corporation
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser 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
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_ZMQ_CONNECTER_HPP_INCLUDED__
#define __ZMQ_ZMQ_CONNECTER_HPP_INCLUDED__
#include "own.hpp"
#include "io_object.hpp"
#include "tcp_connecter.hpp"
#include "stdint.hpp"
namespace zmq
{
class zmq_connecter_t : public own_t, public io_object_t
{
public:
// If 'wait' is true connecter first waits for a while, then starts
// connection process.
zmq_connecter_t (class io_thread_t *io_thread_,
class session_t *session_, const options_t &options_,
const char *protocol_, const char *address_, bool delay_);
~zmq_connecter_t ();
private:
// ID of the timer used to delay the reconnection.
enum {reconnect_timer_id = 1};
// Handlers for incoming commands.
void process_plug ();
// Handlers for I/O events.
void in_event ();
void out_event ();
void timer_event (int id_);
// Internal function to start the actual connection establishment.
void start_connecting ();
// Internal function to add a reconnect timer
void add_reconnect_timer();
// Internal function to return a reconnect backoff delay.
// Will modify the current_reconnect_ivl used for next call
// Returns the currently used interval
int get_new_reconnect_ivl ();
// Actual connecting socket.
tcp_connecter_t tcp_connecter;
// Handle corresponding to the listening socket.
handle_t handle;
// If true file descriptor is registered with the poller and 'handle'
// contains valid value.
bool handle_valid;
// If true, connecter is waiting a while before trying to connect.
bool wait;
// Reference to the session we belong to.
class session_t *session;
// Current reconnect ivl, updated for backoff strategy
int current_reconnect_ivl;
zmq_connecter_t (const zmq_connecter_t&);
const zmq_connecter_t &operator = (const zmq_connecter_t&);
};
}
#endif
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