119 lines
2.6 KiB
C++
119 lines
2.6 KiB
C++
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//
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// icmp.hpp
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// ~~~~~~~~
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//
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// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_IP_ICMP_HPP
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#define ASIO_IP_ICMP_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/push_options.hpp"
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#include "asio/basic_raw_socket.hpp"
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#include "asio/ip/basic_endpoint.hpp"
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#include "asio/ip/basic_resolver.hpp"
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#include "asio/ip/basic_resolver_iterator.hpp"
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#include "asio/ip/basic_resolver_query.hpp"
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#include "asio/detail/socket_types.hpp"
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namespace asio {
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namespace ip {
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/// Encapsulates the flags needed for ICMP.
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/**
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* The asio::ip::icmp class contains flags necessary for ICMP sockets.
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*
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* @par Thread Safety
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* @e Distinct @e objects: Safe.@n
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* @e Shared @e objects: Safe.
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*
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* @par Concepts:
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* Protocol, InternetProtocol.
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*/
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class icmp
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{
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public:
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/// The type of a ICMP endpoint.
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typedef basic_endpoint<icmp> endpoint;
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/// The type of a resolver query.
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typedef basic_resolver_query<icmp> resolver_query;
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/// The type of a resolver iterator.
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typedef basic_resolver_iterator<icmp> resolver_iterator;
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/// Construct to represent the IPv4 ICMP protocol.
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static icmp v4()
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{
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return icmp(IPPROTO_ICMP, PF_INET);
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}
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/// Construct to represent the IPv6 ICMP protocol.
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static icmp v6()
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{
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return icmp(IPPROTO_ICMPV6, PF_INET6);
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}
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/// Obtain an identifier for the type of the protocol.
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int type() const
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{
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return SOCK_RAW;
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}
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/// Obtain an identifier for the protocol.
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int protocol() const
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{
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return protocol_;
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}
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/// Obtain an identifier for the protocol family.
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int family() const
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{
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return family_;
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}
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/// The ICMP socket type.
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typedef basic_raw_socket<icmp> socket;
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/// The ICMP resolver type.
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typedef basic_resolver<icmp> resolver;
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/// Compare two protocols for equality.
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friend bool operator==(const icmp& p1, const icmp& p2)
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{
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return p1.protocol_ == p2.protocol_ && p1.family_ == p2.family_;
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}
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/// Compare two protocols for inequality.
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friend bool operator!=(const icmp& p1, const icmp& p2)
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{
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return p1.protocol_ != p2.protocol_ || p1.family_ != p2.family_;
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}
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private:
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// Construct with a specific family.
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explicit icmp(int protocol, int family)
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: protocol_(protocol),
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family_(family)
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{
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}
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int protocol_;
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int family_;
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};
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} // namespace ip
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_IP_ICMP_HPP
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