// // ip/address_v6.hpp // ~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2010 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_ADDRESS_V6_HPP #define BOOST_ASIO_IP_ADDRESS_V6_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/config.hpp> #include <string> #include <boost/array.hpp> #include <boost/asio/detail/socket_types.hpp> #include <boost/asio/detail/winsock_init.hpp> #include <boost/system/error_code.hpp> #include <boost/asio/ip/address_v4.hpp> #if !defined(BOOST_NO_IOSTREAM) # include <iosfwd> #endif // !defined(BOOST_NO_IOSTREAM) #include <boost/asio/detail/push_options.hpp> namespace boost { namespace asio { namespace ip { /// Implements IP version 6 style addresses. /** * The boost::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. typedef boost::array<unsigned char, 16> bytes_type; /// Default constructor. BOOST_ASIO_DECL address_v6(); /// Construct an address from raw bytes and scope ID. BOOST_ASIO_DECL explicit address_v6(const bytes_type& bytes, unsigned long scope_id = 0); /// Copy constructor. BOOST_ASIO_DECL address_v6(const address_v6& other); /// Assign from another address. BOOST_ASIO_DECL address_v6& operator=(const address_v6& other); /// The scope ID of the address. /** * Returns the scope ID associated with the IPv6 address. */ unsigned long scope_id() const { return scope_id_; } /// The scope ID of the address. /** * Modifies the scope ID associated with the IPv6 address. */ void scope_id(unsigned long id) { scope_id_ = id; } /// Get the address in bytes, in network byte order. BOOST_ASIO_DECL bytes_type to_bytes() const; /// Get the address as a string. BOOST_ASIO_DECL std::string to_string() const; /// Get the address as a string. BOOST_ASIO_DECL std::string to_string(boost::system::error_code& ec) const; /// Create an address from an IP address string. BOOST_ASIO_DECL static address_v6 from_string(const char* str); /// Create an address from an IP address string. BOOST_ASIO_DECL static address_v6 from_string( const char* str, boost::system::error_code& ec); /// Create an address from an IP address string. BOOST_ASIO_DECL static address_v6 from_string(const std::string& str); /// Create an address from an IP address string. BOOST_ASIO_DECL static address_v6 from_string( const std::string& str, boost::system::error_code& ec); /// Converts an IPv4-mapped or IPv4-compatible address to an IPv4 address. BOOST_ASIO_DECL address_v4 to_v4() const; /// Determine whether the address is a loopback address. BOOST_ASIO_DECL bool is_loopback() const; /// Determine whether the address is unspecified. BOOST_ASIO_DECL bool is_unspecified() const; /// Determine whether the address is link local. BOOST_ASIO_DECL bool is_link_local() const; /// Determine whether the address is site local. BOOST_ASIO_DECL bool is_site_local() const; /// Determine whether the address is a mapped IPv4 address. BOOST_ASIO_DECL bool is_v4_mapped() const; /// Determine whether the address is an IPv4-compatible address. BOOST_ASIO_DECL bool is_v4_compatible() const; /// Determine whether the address is a multicast address. BOOST_ASIO_DECL bool is_multicast() const; /// Determine whether the address is a global multicast address. BOOST_ASIO_DECL bool is_multicast_global() const; /// Determine whether the address is a link-local multicast address. BOOST_ASIO_DECL bool is_multicast_link_local() const; /// Determine whether the address is a node-local multicast address. BOOST_ASIO_DECL bool is_multicast_node_local() const; /// Determine whether the address is a org-local multicast address. BOOST_ASIO_DECL bool is_multicast_org_local() const; /// Determine whether the address is a site-local multicast address. BOOST_ASIO_DECL bool is_multicast_site_local() const; /// Compare two addresses for equality. BOOST_ASIO_DECL friend bool operator==( const address_v6& a1, const address_v6& a2); /// Compare two addresses for inequality. friend bool operator!=(const address_v6& a1, const address_v6& a2) { return !(a1 == a2); } /// Compare addresses for ordering. BOOST_ASIO_DECL friend bool operator<( const address_v6& a1, const address_v6& a2); /// Compare addresses for ordering. friend bool operator>(const address_v6& a1, const address_v6& a2) { return a2 < a1; } /// Compare addresses for ordering. friend bool operator<=(const address_v6& a1, const address_v6& a2) { return !(a2 < a1); } /// Compare addresses for ordering. friend bool operator>=(const address_v6& a1, const address_v6& a2) { return !(a1 < a2); } /// Obtain an address object that represents any address. static address_v6 any() { return address_v6(); } /// Obtain an address object that represents the loopback address. BOOST_ASIO_DECL static address_v6 loopback(); /// Create an IPv4-mapped IPv6 address. BOOST_ASIO_DECL static address_v6 v4_mapped(const address_v4& addr); /// Create an IPv4-compatible IPv6 address. BOOST_ASIO_DECL static address_v6 v4_compatible(const address_v4& addr); private: // The underlying IPv6 address. boost::asio::detail::in6_addr_type addr_; // The scope ID associated with the address. unsigned long scope_id_; }; #if !defined(BOOST_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 boost::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(BOOST_NO_IOSTREAM) } // namespace ip } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #include <boost/asio/ip/impl/address_v6.hpp> #if defined(BOOST_ASIO_HEADER_ONLY) # include <boost/asio/ip/impl/address_v6.ipp> #endif // defined(BOOST_ASIO_HEADER_ONLY) #endif // BOOST_ASIO_IP_ADDRESS_V6_HPP