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- //
- // ip/address_v6.hpp
- // ~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2019 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_ADDRESS_V6_HPP
- #define ASIO_IP_ADDRESS_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/array.hpp"
- #include "asio/detail/socket_types.hpp"
- #include "asio/detail/string_view.hpp"
- #include "asio/detail/winsock_init.hpp"
- #include "asio/error_code.hpp"
- #include "asio/ip/address_v4.hpp"
-
- #if !defined(ASIO_NO_IOSTREAM)
- # include <iosfwd>
- #endif // !defined(ASIO_NO_IOSTREAM)
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
- namespace ip {
-
- template <typename> class basic_address_iterator;
-
- /// Implements IP version 6 style addresses.
- /**
- * The asio::ip::address_v6 class provides the ability to use and
- * manipulate IP version 6 addresses.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
- class address_v6
- {
- public:
- /// The type used to represent an address as an array of bytes.
- /**
- * @note This type is defined in terms of the C++0x template @c std::array
- * when it is available. Otherwise, it uses @c boost:array.
- */
- #if defined(GENERATING_DOCUMENTATION)
- typedef array<unsigned char, 16> bytes_type;
- #else
- typedef asio::detail::array<unsigned char, 16> bytes_type;
- #endif
-
- /// Default constructor.
- ASIO_DECL address_v6() ASIO_NOEXCEPT;
-
- /// Construct an address from raw bytes and scope ID.
- ASIO_DECL explicit address_v6(const bytes_type& bytes,
- unsigned long scope_id = 0);
-
- /// Copy constructor.
- ASIO_DECL address_v6(const address_v6& other) ASIO_NOEXCEPT;
-
- #if defined(ASIO_HAS_MOVE)
- /// Move constructor.
- ASIO_DECL address_v6(address_v6&& other) ASIO_NOEXCEPT;
- #endif // defined(ASIO_HAS_MOVE)
-
- /// Assign from another address.
- ASIO_DECL address_v6& operator=(
- const address_v6& other) ASIO_NOEXCEPT;
-
- #if defined(ASIO_HAS_MOVE)
- /// Move-assign from another address.
- ASIO_DECL address_v6& operator=(address_v6&& other) ASIO_NOEXCEPT;
- #endif // defined(ASIO_HAS_MOVE)
-
- /// The scope ID of the address.
- /**
- * Returns the scope ID associated with the IPv6 address.
- */
- unsigned long scope_id() const ASIO_NOEXCEPT
- {
- return scope_id_;
- }
-
- /// The scope ID of the address.
- /**
- * Modifies the scope ID associated with the IPv6 address.
- */
- void scope_id(unsigned long id) ASIO_NOEXCEPT
- {
- scope_id_ = id;
- }
-
- /// Get the address in bytes, in network byte order.
- ASIO_DECL bytes_type to_bytes() const ASIO_NOEXCEPT;
-
- /// Get the address as a string.
- ASIO_DECL std::string to_string() const;
-
- #if !defined(ASIO_NO_DEPRECATED)
- /// (Deprecated: Use other overload.) Get the address as a string.
- ASIO_DECL std::string to_string(asio::error_code& ec) const;
-
- /// (Deprecated: Use make_address_v6().) Create an IPv6 address from an IP
- /// address string.
- static address_v6 from_string(const char* str);
-
- /// (Deprecated: Use make_address_v6().) Create an IPv6 address from an IP
- /// address string.
- static address_v6 from_string(
- const char* str, asio::error_code& ec);
-
- /// (Deprecated: Use make_address_v6().) Create an IPv6 address from an IP
- /// address string.
- static address_v6 from_string(const std::string& str);
-
- /// (Deprecated: Use make_address_v6().) Create an IPv6 address from an IP
- /// address string.
- static address_v6 from_string(
- const std::string& str, asio::error_code& ec);
-
- /// (Deprecated: Use make_address_v4().) Converts an IPv4-mapped or
- /// IPv4-compatible address to an IPv4 address.
- ASIO_DECL address_v4 to_v4() const;
- #endif // !defined(ASIO_NO_DEPRECATED)
-
- /// Determine whether the address is a loopback address.
- ASIO_DECL bool is_loopback() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is unspecified.
- ASIO_DECL bool is_unspecified() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is link local.
- ASIO_DECL bool is_link_local() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is site local.
- ASIO_DECL bool is_site_local() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is a mapped IPv4 address.
- ASIO_DECL bool is_v4_mapped() const ASIO_NOEXCEPT;
-
- #if !defined(ASIO_NO_DEPRECATED)
- /// (Deprecated: No replacement.) Determine whether the address is an
- /// IPv4-compatible address.
- ASIO_DECL bool is_v4_compatible() const;
- #endif // !defined(ASIO_NO_DEPRECATED)
-
- /// Determine whether the address is a multicast address.
- ASIO_DECL bool is_multicast() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is a global multicast address.
- ASIO_DECL bool is_multicast_global() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is a link-local multicast address.
- ASIO_DECL bool is_multicast_link_local() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is a node-local multicast address.
- ASIO_DECL bool is_multicast_node_local() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is a org-local multicast address.
- ASIO_DECL bool is_multicast_org_local() const ASIO_NOEXCEPT;
-
- /// Determine whether the address is a site-local multicast address.
- ASIO_DECL bool is_multicast_site_local() const ASIO_NOEXCEPT;
-
- /// Compare two addresses for equality.
- ASIO_DECL friend bool operator==(const address_v6& a1,
- const address_v6& a2) ASIO_NOEXCEPT;
-
- /// Compare two addresses for inequality.
- friend bool operator!=(const address_v6& a1,
- const address_v6& a2) ASIO_NOEXCEPT
- {
- return !(a1 == a2);
- }
-
- /// Compare addresses for ordering.
- ASIO_DECL friend bool operator<(const address_v6& a1,
- const address_v6& a2) ASIO_NOEXCEPT;
-
- /// Compare addresses for ordering.
- friend bool operator>(const address_v6& a1,
- const address_v6& a2) ASIO_NOEXCEPT
- {
- return a2 < a1;
- }
-
- /// Compare addresses for ordering.
- friend bool operator<=(const address_v6& a1,
- const address_v6& a2) ASIO_NOEXCEPT
- {
- return !(a2 < a1);
- }
-
- /// Compare addresses for ordering.
- friend bool operator>=(const address_v6& a1,
- const address_v6& a2) ASIO_NOEXCEPT
- {
- return !(a1 < a2);
- }
-
- /// Obtain an address object that represents any address.
- static address_v6 any() ASIO_NOEXCEPT
- {
- return address_v6();
- }
-
- /// Obtain an address object that represents the loopback address.
- ASIO_DECL static address_v6 loopback() ASIO_NOEXCEPT;
-
- #if !defined(ASIO_NO_DEPRECATED)
- /// (Deprecated: Use make_address_v6().) Create an IPv4-mapped IPv6 address.
- ASIO_DECL static address_v6 v4_mapped(const address_v4& addr);
-
- /// (Deprecated: No replacement.) Create an IPv4-compatible IPv6 address.
- ASIO_DECL static address_v6 v4_compatible(const address_v4& addr);
- #endif // !defined(ASIO_NO_DEPRECATED)
-
- private:
- friend class basic_address_iterator<address_v6>;
-
- // The underlying IPv6 address.
- asio::detail::in6_addr_type addr_;
-
- // The scope ID associated with the address.
- unsigned long scope_id_;
- };
-
- /// Create an IPv6 address from raw bytes and scope ID.
- /**
- * @relates address_v6
- */
- inline address_v6 make_address_v6(const address_v6::bytes_type& bytes,
- unsigned long scope_id = 0)
- {
- return address_v6(bytes, scope_id);
- }
-
- /// Create an IPv6 address from an IP address string.
- /**
- * @relates address_v6
- */
- ASIO_DECL address_v6 make_address_v6(const char* str);
-
- /// Create an IPv6 address from an IP address string.
- /**
- * @relates address_v6
- */
- ASIO_DECL address_v6 make_address_v6(const char* str,
- asio::error_code& ec) ASIO_NOEXCEPT;
-
- /// Createan IPv6 address from an IP address string.
- /**
- * @relates address_v6
- */
- ASIO_DECL address_v6 make_address_v6(const std::string& str);
-
- /// Create an IPv6 address from an IP address string.
- /**
- * @relates address_v6
- */
- ASIO_DECL address_v6 make_address_v6(const std::string& str,
- asio::error_code& ec) ASIO_NOEXCEPT;
-
- #if defined(ASIO_HAS_STRING_VIEW) \
- || defined(GENERATING_DOCUMENTATION)
-
- /// Create an IPv6 address from an IP address string.
- /**
- * @relates address_v6
- */
- ASIO_DECL address_v6 make_address_v6(string_view str);
-
- /// Create an IPv6 address from an IP address string.
- /**
- * @relates address_v6
- */
- ASIO_DECL address_v6 make_address_v6(string_view str,
- asio::error_code& ec) ASIO_NOEXCEPT;
-
- #endif // defined(ASIO_HAS_STRING_VIEW)
- // || defined(GENERATING_DOCUMENTATION)
-
- /// Tag type used for distinguishing overloads that deal in IPv4-mapped IPv6
- /// addresses.
- enum v4_mapped_t { v4_mapped };
-
- /// Create an IPv4 address from a IPv4-mapped IPv6 address.
- /**
- * @relates address_v4
- */
- ASIO_DECL address_v4 make_address_v4(
- v4_mapped_t, const address_v6& v6_addr);
-
- /// Create an IPv4-mapped IPv6 address from an IPv4 address.
- /**
- * @relates address_v6
- */
- ASIO_DECL address_v6 make_address_v6(
- v4_mapped_t, const address_v4& v4_addr);
-
- #if !defined(ASIO_NO_IOSTREAM)
-
- /// Output an address as a string.
- /**
- * Used to output a human-readable string for a specified address.
- *
- * @param os The output stream to which the string will be written.
- *
- * @param addr The address 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 address_v6& addr);
-
- #endif // !defined(ASIO_NO_IOSTREAM)
-
- } // namespace ip
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #include "asio/ip/impl/address_v6.hpp"
- #if defined(ASIO_HEADER_ONLY)
- # include "asio/ip/impl/address_v6.ipp"
- #endif // defined(ASIO_HEADER_ONLY)
-
- #endif // ASIO_IP_ADDRESS_V6_HPP
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