// // ip/icmp.hpp // ~~~~~~~~~~~ // // Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // #ifndef BOOST_ASIO_IP_ICMP_HPP #define BOOST_ASIO_IP_ICMP_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/config.hpp> #include <boost/asio/detail/socket_types.hpp> #include <boost/asio/basic_raw_socket.hpp> #include <boost/asio/ip/basic_endpoint.hpp> #include <boost/asio/ip/basic_resolver.hpp> #include <boost/asio/ip/basic_resolver_iterator.hpp> #include <boost/asio/ip/basic_resolver_query.hpp> #include <boost/asio/detail/push_options.hpp> namespace boost { namespace asio { namespace ip { /// Encapsulates the flags needed for ICMP. /** * The boost::asio::ip::icmp class contains flags necessary for ICMP sockets. * * @par Thread Safety * @e Distinct @e objects: Safe.@n * @e Shared @e objects: Safe. * * @par Concepts: * Protocol, InternetProtocol. */ class icmp { public: /// The type of a ICMP endpoint. typedef basic_endpoint<icmp> endpoint; /// Construct to represent the IPv4 ICMP protocol. static icmp v4() { return icmp(BOOST_ASIO_OS_DEF(IPPROTO_ICMP), BOOST_ASIO_OS_DEF(AF_INET)); } /// Construct to represent the IPv6 ICMP protocol. static icmp v6() { return icmp(BOOST_ASIO_OS_DEF(IPPROTO_ICMPV6), BOOST_ASIO_OS_DEF(AF_INET6)); } /// Obtain an identifier for the type of the protocol. int type() const { return BOOST_ASIO_OS_DEF(SOCK_RAW); } /// Obtain an identifier for the protocol. int protocol() const { return protocol_; } /// Obtain an identifier for the protocol family. int family() const { return family_; } /// The ICMP socket type. typedef basic_raw_socket<icmp> socket; /// The ICMP resolver type. typedef basic_resolver<icmp> resolver; /// Compare two protocols for equality. friend bool operator==(const icmp& p1, const icmp& p2) { return p1.protocol_ == p2.protocol_ && p1.family_ == p2.family_; } /// Compare two protocols for inequality. friend bool operator!=(const icmp& p1, const icmp& p2) { return p1.protocol_ != p2.protocol_ || p1.family_ != p2.family_; } private: // Construct with a specific family. explicit icmp(int protocol_id, int protocol_family) : protocol_(protocol_id), family_(protocol_family) { } int protocol_; int family_; }; } // namespace ip } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #endif // BOOST_ASIO_IP_ICMP_HPP