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- //
- // ip/network_v6.hpp
- // ~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
- // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail 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_NETWORK_V6_HPP
- #define ASIO_IP_NETWORK_V6_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/detail/config.hpp"
- #include <string>
- #include "asio/detail/string_view.hpp"
- #include "asio/error_code.hpp"
- #include "asio/ip/address_v6_range.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
- namespace ip {
-
- /// Represents an IPv6 network.
- /**
- * The asio::ip::network_v6 class provides the ability to use and
- * manipulate IP version 6 networks.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
- class network_v6
- {
- public:
- /// Default constructor.
- network_v6() ASIO_NOEXCEPT
- : address_(),
- prefix_length_(0)
- {
- }
-
- /// Construct a network based on the specified address and prefix length.
- ASIO_DECL network_v6(const address_v6& addr,
- unsigned short prefix_len);
-
- /// Copy constructor.
- network_v6(const network_v6& other) ASIO_NOEXCEPT
- : address_(other.address_),
- prefix_length_(other.prefix_length_)
- {
- }
-
- #if defined(ASIO_HAS_MOVE)
- /// Move constructor.
- network_v6(network_v6&& other) ASIO_NOEXCEPT
- : address_(ASIO_MOVE_CAST(address_v6)(other.address_)),
- prefix_length_(other.prefix_length_)
- {
- }
- #endif // defined(ASIO_HAS_MOVE)
-
- /// Assign from another network.
- network_v6& operator=(const network_v6& other) ASIO_NOEXCEPT
- {
- address_ = other.address_;
- prefix_length_ = other.prefix_length_;
- return *this;
- }
-
- #if defined(ASIO_HAS_MOVE)
- /// Move-assign from another network.
- network_v6& operator=(network_v6&& other) ASIO_NOEXCEPT
- {
- address_ = ASIO_MOVE_CAST(address_v6)(other.address_);
- prefix_length_ = other.prefix_length_;
- return *this;
- }
- #endif // defined(ASIO_HAS_MOVE)
-
- /// Obtain the address object specified when the network object was created.
- address_v6 address() const ASIO_NOEXCEPT
- {
- return address_;
- }
-
- /// Obtain the prefix length that was specified when the network object was
- /// created.
- unsigned short prefix_length() const ASIO_NOEXCEPT
- {
- return prefix_length_;
- }
-
- /// Obtain an address object that represents the network address.
- ASIO_DECL address_v6 network() const ASIO_NOEXCEPT;
-
- /// Obtain an address range corresponding to the hosts in the network.
- ASIO_DECL address_v6_range hosts() const ASIO_NOEXCEPT;
-
- /// Obtain the true network address, omitting any host bits.
- network_v6 canonical() const ASIO_NOEXCEPT
- {
- return network_v6(network(), prefix_length());
- }
-
- /// Test if network is a valid host address.
- bool is_host() const ASIO_NOEXCEPT
- {
- return prefix_length_ == 128;
- }
-
- /// Test if a network is a real subnet of another network.
- ASIO_DECL bool is_subnet_of(const network_v6& other) const;
-
- /// Get the network as an address in dotted decimal format.
- ASIO_DECL std::string to_string() const;
-
- /// Get the network as an address in dotted decimal format.
- ASIO_DECL std::string to_string(asio::error_code& ec) const;
-
- /// Compare two networks for equality.
- friend bool operator==(const network_v6& a, const network_v6& b)
- {
- return a.address_ == b.address_ && a.prefix_length_ == b.prefix_length_;
- }
-
- /// Compare two networks for inequality.
- friend bool operator!=(const network_v6& a, const network_v6& b)
- {
- return !(a == b);
- }
-
- private:
- address_v6 address_;
- unsigned short prefix_length_;
- };
-
- /// Create an IPv6 network from an address and prefix length.
- /**
- * @relates address_v6
- */
- inline network_v6 make_network_v6(
- const address_v6& addr, unsigned short prefix_len)
- {
- return network_v6(addr, prefix_len);
- }
-
- /// Create an IPv6 network from a string containing IP address and prefix
- /// length.
- /**
- * @relates network_v6
- */
- ASIO_DECL network_v6 make_network_v6(const char* str);
-
- /// Create an IPv6 network from a string containing IP address and prefix
- /// length.
- /**
- * @relates network_v6
- */
- ASIO_DECL network_v6 make_network_v6(
- const char* str, asio::error_code& ec);
-
- /// Create an IPv6 network from a string containing IP address and prefix
- /// length.
- /**
- * @relates network_v6
- */
- ASIO_DECL network_v6 make_network_v6(const std::string& str);
-
- /// Create an IPv6 network from a string containing IP address and prefix
- /// length.
- /**
- * @relates network_v6
- */
- ASIO_DECL network_v6 make_network_v6(
- const std::string& str, asio::error_code& ec);
-
- #if defined(ASIO_HAS_STRING_VIEW) \
- || defined(GENERATING_DOCUMENTATION)
-
- /// Create an IPv6 network from a string containing IP address and prefix
- /// length.
- /**
- * @relates network_v6
- */
- ASIO_DECL network_v6 make_network_v6(string_view str);
-
- /// Create an IPv6 network from a string containing IP address and prefix
- /// length.
- /**
- * @relates network_v6
- */
- ASIO_DECL network_v6 make_network_v6(
- string_view str, asio::error_code& ec);
-
- #endif // defined(ASIO_HAS_STRING_VIEW)
- // || defined(GENERATING_DOCUMENTATION)
-
- #if !defined(ASIO_NO_IOSTREAM)
-
- /// Output a network as a string.
- /**
- * Used to output a human-readable string for a specified network.
- *
- * @param os The output stream to which the string will be written.
- *
- * @param net The network to be written.
- *
- * @return The output stream.
- *
- * @relates asio::ip::address_v6
- */
- template <typename Elem, typename Traits>
- std::basic_ostream<Elem, Traits>& operator<<(
- std::basic_ostream<Elem, Traits>& os, const network_v6& net);
-
- #endif // !defined(ASIO_NO_IOSTREAM)
-
- } // namespace ip
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #include "asio/ip/impl/network_v6.hpp"
- #if defined(ASIO_HEADER_ONLY)
- # include "asio/ip/impl/network_v6.ipp"
- #endif // defined(ASIO_HEADER_ONLY)
-
- #endif // ASIO_IP_NETWORK_V6_HPP
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