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77 lines
3.0 KiB
C++
77 lines
3.0 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq 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 (LGPL) as published
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by 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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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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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_IP_HPP_INCLUDED__
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#define __ZMQ_IP_HPP_INCLUDED__
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#include <string>
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#include "fd.hpp"
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namespace zmq
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{
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// Same as socket(2), but allows for transparent tweaking the options.
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fd_t open_socket (int domain_, int type_, int protocol_);
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// Sets the socket into non-blocking mode.
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void unblock_socket (fd_t s_);
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// Enable IPv4-mapping of addresses in case it is disabled by default.
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void enable_ipv4_mapping (fd_t s_);
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// Returns string representation of peer's address.
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// Socket sockfd_ must be connected. Returns true iff successful.
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int get_peer_ip_address (fd_t sockfd_, std::string &ip_addr_);
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// Sets the IP Type-Of-Service for the underlying socket
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void set_ip_type_of_service (fd_t s_, int iptos_);
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// Sets the SO_NOSIGPIPE option for the underlying socket.
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// Return 0 on success, -1 if the connection has been closed by the peer
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int set_nosigpipe (fd_t s_);
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// Binds the underlying socket to the given device, eg. VRF or interface
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int bind_to_device (fd_t s_, const std::string &bound_device_);
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// Initialize network subsystem. May be called multiple times. Each call must be matched by a call to shutdown_network.
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bool initialize_network ();
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// Shutdown network subsystem. Must be called once for each call to initialize_network before terminating.
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void shutdown_network ();
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// Creates a pair of sockets (using signaler_port on OS using TCP sockets).
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// Returns -1 if we could not make the socket pair successfully
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int make_fdpair (fd_t *r_, fd_t *w_);
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// Makes a socket non-inheritable to child processes.
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// Asserts on any failure.
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void make_socket_noninheritable (fd_t sock_);
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}
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#endif
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