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							- //
 - // ip/address_v4.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_V4_HPP
 - #define ASIO_IP_ADDRESS_V4_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/cstdint.hpp"
 - #include "asio/detail/socket_types.hpp"
 - #include "asio/detail/string_view.hpp"
 - #include "asio/detail/winsock_init.hpp"
 - #include "asio/error_code.hpp"
 - 
 - #if !defined(ASIO_NO_IOSTREAM)
 - # include <iosfwd>
 - #endif // !defined(ASIO_NO_IOSTREAM)
 - 
 - #include "asio/detail/push_options.hpp"
 - 
 - namespace asio {
 - namespace ip {
 - 
 - /// Implements IP version 4 style addresses.
 - /**
 -  * The asio::ip::address_v4 class provides the ability to use and
 -  * manipulate IP version 4 addresses.
 -  *
 -  * @par Thread Safety
 -  * @e Distinct @e objects: Safe.@n
 -  * @e Shared @e objects: Unsafe.
 -  */
 - class address_v4
 - {
 - public:
 -   /// The type used to represent an address as an unsigned integer.
 -   typedef uint_least32_t uint_type;
 - 
 -   /// 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, 4> bytes_type;
 - #else
 -   typedef asio::detail::array<unsigned char, 4> bytes_type;
 - #endif
 - 
 -   /// Default constructor.
 -   address_v4() ASIO_NOEXCEPT
 -   {
 -     addr_.s_addr = 0;
 -   }
 - 
 -   /// Construct an address from raw bytes.
 -   ASIO_DECL explicit address_v4(const bytes_type& bytes);
 - 
 -   /// Construct an address from an unsigned integer in host byte order.
 -   ASIO_DECL explicit address_v4(uint_type addr);
 - 
 -   /// Copy constructor.
 -   address_v4(const address_v4& other) ASIO_NOEXCEPT
 -     : addr_(other.addr_)
 -   {
 -   }
 - 
 - #if defined(ASIO_HAS_MOVE)
 -   /// Move constructor.
 -   address_v4(address_v4&& other) ASIO_NOEXCEPT
 -     : addr_(other.addr_)
 -   {
 -   }
 - #endif // defined(ASIO_HAS_MOVE)
 - 
 -   /// Assign from another address.
 -   address_v4& operator=(const address_v4& other) ASIO_NOEXCEPT
 -   {
 -     addr_ = other.addr_;
 -     return *this;
 -   }
 - 
 - #if defined(ASIO_HAS_MOVE)
 -   /// Move-assign from another address.
 -   address_v4& operator=(address_v4&& other) ASIO_NOEXCEPT
 -   {
 -     addr_ = other.addr_;
 -     return *this;
 -   }
 - #endif // defined(ASIO_HAS_MOVE)
 - 
 -   /// Get the address in bytes, in network byte order.
 -   ASIO_DECL bytes_type to_bytes() const ASIO_NOEXCEPT;
 - 
 -   /// Get the address as an unsigned integer in host byte order
 -   ASIO_DECL uint_type to_uint() const ASIO_NOEXCEPT;
 - 
 - #if !defined(ASIO_NO_DEPRECATED)
 -   /// Get the address as an unsigned long in host byte order
 -   ASIO_DECL unsigned long to_ulong() const;
 - #endif // !defined(ASIO_NO_DEPRECATED)
 - 
 -   /// Get the address as a string in dotted decimal format.
 -   ASIO_DECL std::string to_string() const;
 - 
 - #if !defined(ASIO_NO_DEPRECATED)
 -   /// (Deprecated: Use other overload.) Get the address as a string in dotted
 -   /// decimal format.
 -   ASIO_DECL std::string to_string(asio::error_code& ec) const;
 - 
 -   /// (Deprecated: Use make_address_v4().) Create an address from an IP address
 -   /// string in dotted decimal form.
 -   static address_v4 from_string(const char* str);
 - 
 -   /// (Deprecated: Use make_address_v4().) Create an address from an IP address
 -   /// string in dotted decimal form.
 -   static address_v4 from_string(
 -       const char* str, asio::error_code& ec);
 - 
 -   /// (Deprecated: Use make_address_v4().) Create an address from an IP address
 -   /// string in dotted decimal form.
 -   static address_v4 from_string(const std::string& str);
 - 
 -   /// (Deprecated: Use make_address_v4().) Create an address from an IP address
 -   /// string in dotted decimal form.
 -   static address_v4 from_string(
 -       const std::string& str, asio::error_code& ec);
 - #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;
 - 
 - #if !defined(ASIO_NO_DEPRECATED)
 -   /// (Deprecated: Use network_v4 class.) Determine whether the address is a
 -   /// class A address.
 -   ASIO_DECL bool is_class_a() const;
 - 
 -   /// (Deprecated: Use network_v4 class.) Determine whether the address is a
 -   /// class B address.
 -   ASIO_DECL bool is_class_b() const;
 - 
 -   /// (Deprecated: Use network_v4 class.) Determine whether the address is a
 -   /// class C address.
 -   ASIO_DECL bool is_class_c() const;
 - #endif // !defined(ASIO_NO_DEPRECATED)
 - 
 -   /// Determine whether the address is a multicast address.
 -   ASIO_DECL bool is_multicast() const ASIO_NOEXCEPT;
 - 
 -   /// Compare two addresses for equality.
 -   friend bool operator==(const address_v4& a1,
 -       const address_v4& a2) ASIO_NOEXCEPT
 -   {
 -     return a1.addr_.s_addr == a2.addr_.s_addr;
 -   }
 - 
 -   /// Compare two addresses for inequality.
 -   friend bool operator!=(const address_v4& a1,
 -       const address_v4& a2) ASIO_NOEXCEPT
 -   {
 -     return a1.addr_.s_addr != a2.addr_.s_addr;
 -   }
 - 
 -   /// Compare addresses for ordering.
 -   friend bool operator<(const address_v4& a1,
 -       const address_v4& a2) ASIO_NOEXCEPT
 -   {
 -     return a1.to_uint() < a2.to_uint();
 -   }
 - 
 -   /// Compare addresses for ordering.
 -   friend bool operator>(const address_v4& a1,
 -       const address_v4& a2) ASIO_NOEXCEPT
 -   {
 -     return a1.to_uint() > a2.to_uint();
 -   }
 - 
 -   /// Compare addresses for ordering.
 -   friend bool operator<=(const address_v4& a1,
 -       const address_v4& a2) ASIO_NOEXCEPT
 -   {
 -     return a1.to_uint() <= a2.to_uint();
 -   }
 - 
 -   /// Compare addresses for ordering.
 -   friend bool operator>=(const address_v4& a1,
 -       const address_v4& a2) ASIO_NOEXCEPT
 -   {
 -     return a1.to_uint() >= a2.to_uint();
 -   }
 - 
 -   /// Obtain an address object that represents any address.
 -   static address_v4 any() ASIO_NOEXCEPT
 -   {
 -     return address_v4();
 -   }
 - 
 -   /// Obtain an address object that represents the loopback address.
 -   static address_v4 loopback() ASIO_NOEXCEPT
 -   {
 -     return address_v4(0x7F000001);
 -   }
 - 
 -   /// Obtain an address object that represents the broadcast address.
 -   static address_v4 broadcast() ASIO_NOEXCEPT
 -   {
 -     return address_v4(0xFFFFFFFF);
 -   }
 - 
 - #if !defined(ASIO_NO_DEPRECATED)
 -   /// (Deprecated: Use network_v4 class.) Obtain an address object that
 -   /// represents the broadcast address that corresponds to the specified
 -   /// address and netmask.
 -   ASIO_DECL static address_v4 broadcast(
 -       const address_v4& addr, const address_v4& mask);
 - 
 -   /// (Deprecated: Use network_v4 class.) Obtain the netmask that corresponds
 -   /// to the address, based on its address class.
 -   ASIO_DECL static address_v4 netmask(const address_v4& addr);
 - #endif // !defined(ASIO_NO_DEPRECATED)
 - 
 - private:
 -   // The underlying IPv4 address.
 -   asio::detail::in4_addr_type addr_;
 - };
 - 
 - /// Create an IPv4 address from raw bytes in network order.
 - /**
 -  * @relates address_v4
 -  */
 - inline address_v4 make_address_v4(const address_v4::bytes_type& bytes)
 - {
 -   return address_v4(bytes);
 - }
 - 
 - /// Create an IPv4 address from an unsigned integer in host byte order.
 - /**
 -  * @relates address_v4
 -  */
 - inline address_v4 make_address_v4(address_v4::uint_type addr)
 - {
 -   return address_v4(addr);
 - }
 - 
 - /// Create an IPv4 address from an IP address string in dotted decimal form.
 - /**
 -  * @relates address_v4
 -  */
 - ASIO_DECL address_v4 make_address_v4(const char* str);
 - 
 - /// Create an IPv4 address from an IP address string in dotted decimal form.
 - /**
 -  * @relates address_v4
 -  */
 - ASIO_DECL address_v4 make_address_v4(const char* str,
 -     asio::error_code& ec) ASIO_NOEXCEPT;
 - 
 - /// Create an IPv4 address from an IP address string in dotted decimal form.
 - /**
 -  * @relates address_v4
 -  */
 - ASIO_DECL address_v4 make_address_v4(const std::string& str);
 - 
 - /// Create an IPv4 address from an IP address string in dotted decimal form.
 - /**
 -  * @relates address_v4
 -  */
 - ASIO_DECL address_v4 make_address_v4(const std::string& str,
 -     asio::error_code& ec) ASIO_NOEXCEPT;
 - 
 - #if defined(ASIO_HAS_STRING_VIEW) \
 -   || defined(GENERATING_DOCUMENTATION)
 - 
 - /// Create an IPv4 address from an IP address string in dotted decimal form.
 - /**
 -  * @relates address_v4
 -  */
 - ASIO_DECL address_v4 make_address_v4(string_view str);
 - 
 - /// Create an IPv4 address from an IP address string in dotted decimal form.
 - /**
 -  * @relates address_v4
 -  */
 - ASIO_DECL address_v4 make_address_v4(string_view str,
 -     asio::error_code& ec) ASIO_NOEXCEPT;
 - 
 - #endif // defined(ASIO_HAS_STRING_VIEW)
 -        //  || defined(GENERATING_DOCUMENTATION)
 - 
 - #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_v4
 -  */
 - template <typename Elem, typename Traits>
 - std::basic_ostream<Elem, Traits>& operator<<(
 -     std::basic_ostream<Elem, Traits>& os, const address_v4& addr);
 - 
 - #endif // !defined(ASIO_NO_IOSTREAM)
 - 
 - } // namespace ip
 - } // namespace asio
 - 
 - #include "asio/detail/pop_options.hpp"
 - 
 - #include "asio/ip/impl/address_v4.hpp"
 - #if defined(ASIO_HEADER_ONLY)
 - # include "asio/ip/impl/address_v4.ipp"
 - #endif // defined(ASIO_HEADER_ONLY)
 - 
 - #endif // ASIO_IP_ADDRESS_V4_HPP
 
 
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