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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_TCP_LISTENER_HPP_INCLUDED__
#define __ZMQ_TCP_LISTENER_HPP_INCLUDED__
#include "fd.hpp"
#include "ip.hpp"
namespace zmq
{
// The class encapsulating simple TCP listening socket.
class tcp_listener_t
{
public:
tcp_listener_t ();
~tcp_listener_t ();
// Start listening on the interface.
int set_address (const char *protocol_, const char *addr_,
int backlog_);
// Close the listening socket.
int close ();
// Get the file descriptor to poll on to get notified about
// newly created connections.
fd_t get_fd ();
// 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 ();
private:
// Address to listen on.
sockaddr_storage addr;
socklen_t addr_len;
// True, if the undelying file for UNIX domain socket exists.
bool has_file;
// Underlying socket.
fd_t s;
tcp_listener_t (const tcp_listener_t&);
const tcp_listener_t &operator = (const tcp_listener_t&);
};
}
#endif
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