ipc_listener.hpp 2.6 KB
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/*
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    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
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    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_IPC_LISTENER_HPP_INCLUDED__
#define __ZMQ_IPC_LISTENER_HPP_INCLUDED__

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#include "platform.hpp"

#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS

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#include <string>

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#include "fd.hpp"
#include "own.hpp"
#include "stdint.hpp"
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#include "io_object.hpp"
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namespace zmq
{

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    class io_thread_t;
    class socket_base_t;

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    class ipc_listener_t : public own_t, public io_object_t
    {
    public:

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        ipc_listener_t (zmq::io_thread_t *io_thread_,
            zmq::socket_base_t *socket_, const options_t &options_);
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        ~ipc_listener_t ();

        //  Set address to listen on.
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        int set_address (const char *addr_);
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        // Get the bound address for use with wildcards
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        int get_address (std::string &addr_);
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    private:

        //  Handlers for incoming commands.
        void process_plug ();
        void process_term (int linger_);

        //  Handlers for I/O events.
        void in_event ();

        //  Close the listening socket.
        int close ();

        //  Accept the new connection. Returns the file descriptor of the
        //  newly created connection. The function may return retired_fd
        //  if the connection was dropped while waiting in the listen backlog.
        fd_t accept ();

        //  True, if the undelying file for UNIX domain socket exists.
        bool has_file;

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        //  Name of the file associated with the UNIX domain address.
        std::string filename;

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        //  Underlying socket.
        fd_t s;

        //  Handle corresponding to the listening socket.
        handle_t handle;

        //  Socket the listerner belongs to.
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        zmq::socket_base_t *socket;
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       // String representation of endpoint to bind to
        std::string endpoint;

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        ipc_listener_t (const ipc_listener_t&);
        const ipc_listener_t &operator = (const ipc_listener_t&);
    };

}

#endif
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#endif