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- //
- // ip/icmp.hpp
- // ~~~~~~~~~~~
- //
- // Copyright (c) 2003-2015 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 ASIO_IP_ICMP_HPP
- #define ASIO_IP_ICMP_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/detail/config.hpp"
- #include "asio/detail/socket_types.hpp"
- #include "asio/basic_raw_socket.hpp"
- #include "asio/ip/basic_endpoint.hpp"
- #include "asio/ip/basic_resolver.hpp"
- #include "asio/ip/basic_resolver_iterator.hpp"
- #include "asio/ip/basic_resolver_query.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
- namespace ip {
-
- /// Encapsulates the flags needed for ICMP.
- /**
- * The 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(ASIO_OS_DEF(IPPROTO_ICMP),
- ASIO_OS_DEF(AF_INET));
- }
-
- /// Construct to represent the IPv6 ICMP protocol.
- static icmp v6()
- {
- return icmp(ASIO_OS_DEF(IPPROTO_ICMPV6),
- ASIO_OS_DEF(AF_INET6));
- }
-
- /// Obtain an identifier for the type of the protocol.
- int type() const
- {
- return 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
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // ASIO_IP_ICMP_HPP
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