[ceph.git] / ceph / src / boost / boost / asio / ip / impl / address_v6.ipp

//
// ip/impl/address_v6.ipp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// 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 BOOST_ASIO_IP_IMPL_ADDRESS_V6_IPP
#define BOOST_ASIO_IP_IMPL_ADDRESS_V6_IPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/detail/config.hpp>
#include <cstring>
#include <stdexcept>
#include <typeinfo>
#include <boost/asio/detail/socket_ops.hpp>
#include <boost/asio/detail/throw_error.hpp>
#include <boost/asio/detail/throw_exception.hpp>
#include <boost/asio/error.hpp>
#include <boost/asio/ip/address_v6.hpp>
#include <boost/asio/ip/bad_address_cast.hpp>

#include <boost/asio/detail/push_options.hpp>

namespace boost {
namespace asio {
namespace ip {

address_v6::address_v6() BOOST_ASIO_NOEXCEPT
  : addr_(),
    scope_id_(0)
{
}

address_v6::address_v6(const address_v6::bytes_type& bytes,
    unsigned long scope)
  : scope_id_(scope)
{
#if UCHAR_MAX > 0xFF
  for (std::size_t i = 0; i < bytes.size(); ++i)
  {
    if (bytes[i] > 0xFF)
    {
      std::out_of_range ex("address_v6 from bytes_type");
      boost::asio::detail::throw_exception(ex);
    }
  }
#endif // UCHAR_MAX > 0xFF

  using namespace std; // For memcpy.
  memcpy(addr_.s6_addr, bytes.data(), 16);
}

address_v6::address_v6(const address_v6& other) BOOST_ASIO_NOEXCEPT
  : addr_(other.addr_),
    scope_id_(other.scope_id_)
{
}

#if defined(BOOST_ASIO_HAS_MOVE)
address_v6::address_v6(address_v6&& other) BOOST_ASIO_NOEXCEPT
  : addr_(other.addr_),
    scope_id_(other.scope_id_)
{
}
#endif // defined(BOOST_ASIO_HAS_MOVE)

address_v6& address_v6::operator=(const address_v6& other) BOOST_ASIO_NOEXCEPT
{
  addr_ = other.addr_;
  scope_id_ = other.scope_id_;
  return *this;
}

#if defined(BOOST_ASIO_HAS_MOVE)
address_v6& address_v6::operator=(address_v6&& other) BOOST_ASIO_NOEXCEPT
{
  addr_ = other.addr_;
  scope_id_ = other.scope_id_;
  return *this;
}
#endif // defined(BOOST_ASIO_HAS_MOVE)

address_v6::bytes_type address_v6::to_bytes() const BOOST_ASIO_NOEXCEPT
{
  using namespace std; // For memcpy.
  bytes_type bytes;
#if defined(BOOST_ASIO_HAS_STD_ARRAY)
  memcpy(bytes.data(), addr_.s6_addr, 16);
#else // defined(BOOST_ASIO_HAS_STD_ARRAY)
  memcpy(bytes.elems, addr_.s6_addr, 16);
#endif // defined(BOOST_ASIO_HAS_STD_ARRAY)
  return bytes;
}

std::string address_v6::to_string() const
{
  boost::system::error_code ec;
  char addr_str[boost::asio::detail::max_addr_v6_str_len];
  const char* addr =
    boost::asio::detail::socket_ops::inet_ntop(
        BOOST_ASIO_OS_DEF(AF_INET6), &addr_, addr_str,
        boost::asio::detail::max_addr_v6_str_len, scope_id_, ec);
  if (addr == 0)
    boost::asio::detail::throw_error(ec);
  return addr;
}

#if !defined(BOOST_ASIO_NO_DEPRECATED)
std::string address_v6::to_string(boost::system::error_code& ec) const
{
  char addr_str[boost::asio::detail::max_addr_v6_str_len];
  const char* addr =
    boost::asio::detail::socket_ops::inet_ntop(
        BOOST_ASIO_OS_DEF(AF_INET6), &addr_, addr_str,
        boost::asio::detail::max_addr_v6_str_len, scope_id_, ec);
  if (addr == 0)
    return std::string();
  return addr;
}

address_v4 address_v6::to_v4() const
{
  if (!is_v4_mapped() && !is_v4_compatible())
  {
    bad_address_cast ex;
    boost::asio::detail::throw_exception(ex);
  }

  address_v4::bytes_type v4_bytes = { { addr_.s6_addr[12],
    addr_.s6_addr[13], addr_.s6_addr[14], addr_.s6_addr[15] } };
  return address_v4(v4_bytes);
}
#endif // !defined(BOOST_ASIO_NO_DEPRECATED)

bool address_v6::is_loopback() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
      && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
      && (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
      && (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
      && (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
      && (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
      && (addr_.s6_addr[12] == 0) && (addr_.s6_addr[13] == 0)
      && (addr_.s6_addr[14] == 0) && (addr_.s6_addr[15] == 1));
}

bool address_v6::is_unspecified() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
      && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
      && (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
      && (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
      && (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
      && (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
      && (addr_.s6_addr[12] == 0) && (addr_.s6_addr[13] == 0)
      && (addr_.s6_addr[14] == 0) && (addr_.s6_addr[15] == 0));
}

bool address_v6::is_link_local() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0xfe) && ((addr_.s6_addr[1] & 0xc0) == 0x80));
}

bool address_v6::is_site_local() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0xfe) && ((addr_.s6_addr[1] & 0xc0) == 0xc0));
}

bool address_v6::is_v4_mapped() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
      && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
      && (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
      && (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
      && (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
      && (addr_.s6_addr[10] == 0xff) && (addr_.s6_addr[11] == 0xff));
}

#if !defined(BOOST_ASIO_NO_DEPRECATED)
bool address_v6::is_v4_compatible() const
{
  return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
      && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
      && (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
      && (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
      && (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
      && (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
      && !((addr_.s6_addr[12] == 0)
        && (addr_.s6_addr[13] == 0)
        && (addr_.s6_addr[14] == 0)
        && ((addr_.s6_addr[15] == 0) || (addr_.s6_addr[15] == 1))));
}
#endif // !defined(BOOST_ASIO_NO_DEPRECATED)

bool address_v6::is_multicast() const BOOST_ASIO_NOEXCEPT
{
  return (addr_.s6_addr[0] == 0xff);
}

bool address_v6::is_multicast_global() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x0e));
}

bool address_v6::is_multicast_link_local() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x02));
}

bool address_v6::is_multicast_node_local() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x01));
}

bool address_v6::is_multicast_org_local() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x08));
}

bool address_v6::is_multicast_site_local() const BOOST_ASIO_NOEXCEPT
{
  return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x05));
}

bool operator==(const address_v6& a1, const address_v6& a2) BOOST_ASIO_NOEXCEPT
{
  using namespace std; // For memcmp.
  return memcmp(&a1.addr_, &a2.addr_,
      sizeof(boost::asio::detail::in6_addr_type)) == 0
    && a1.scope_id_ == a2.scope_id_;
}

bool operator<(const address_v6& a1, const address_v6& a2) BOOST_ASIO_NOEXCEPT
{
  using namespace std; // For memcmp.
  int memcmp_result = memcmp(&a1.addr_, &a2.addr_,
      sizeof(boost::asio::detail::in6_addr_type));
  if (memcmp_result < 0)
    return true;
  if (memcmp_result > 0)
    return false;
  return a1.scope_id_ < a2.scope_id_;
}

address_v6 address_v6::loopback() BOOST_ASIO_NOEXCEPT
{
  address_v6 tmp;
  tmp.addr_.s6_addr[15] = 1;
  return tmp;
}

#if !defined(BOOST_ASIO_NO_DEPRECATED)
address_v6 address_v6::v4_mapped(const address_v4& addr)
{
  address_v4::bytes_type v4_bytes = addr.to_bytes();
  bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF,
    v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
  return address_v6(v6_bytes);
}

address_v6 address_v6::v4_compatible(const address_v4& addr)
{
  address_v4::bytes_type v4_bytes = addr.to_bytes();
  bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
  return address_v6(v6_bytes);
}
#endif // !defined(BOOST_ASIO_NO_DEPRECATED)

address_v6 make_address_v6(const char* str)
{
  boost::system::error_code ec;
  address_v6 addr = make_address_v6(str, ec);
  boost::asio::detail::throw_error(ec);
  return addr;
}

address_v6 make_address_v6(const char* str,
    boost::system::error_code& ec) BOOST_ASIO_NOEXCEPT
{
  address_v6::bytes_type bytes;
  unsigned long scope_id = 0;
  if (boost::asio::detail::socket_ops::inet_pton(
        BOOST_ASIO_OS_DEF(AF_INET6), str, &bytes[0], &scope_id, ec) <= 0)
    return address_v6();
  return address_v6(bytes, scope_id);
}

address_v6 make_address_v6(const std::string& str)
{
  return make_address_v6(str.c_str());
}

address_v6 make_address_v6(const std::string& str,
    boost::system::error_code& ec) BOOST_ASIO_NOEXCEPT
{
  return make_address_v6(str.c_str(), ec);
}

#if defined(BOOST_ASIO_HAS_STRING_VIEW)

address_v6 make_address_v6(string_view str)
{
  return make_address_v6(static_cast<std::string>(str));
}

address_v6 make_address_v6(string_view str,
    boost::system::error_code& ec) BOOST_ASIO_NOEXCEPT
{
  return make_address_v6(static_cast<std::string>(str), ec);
}

#endif // defined(BOOST_ASIO_HAS_STRING_VIEW)

address_v4 make_address_v4(
    v4_mapped_t, const address_v6& v6_addr)
{
  if (!v6_addr.is_v4_mapped())
  {
    bad_address_cast ex;
    boost::asio::detail::throw_exception(ex);
  }

  address_v6::bytes_type v6_bytes = v6_addr.to_bytes();
  address_v4::bytes_type v4_bytes = { { v6_bytes[12],
    v6_bytes[13], v6_bytes[14], v6_bytes[15] } };
  return address_v4(v4_bytes);
}

address_v6 make_address_v6(
    v4_mapped_t, const address_v4& v4_addr)
{
  address_v4::bytes_type v4_bytes = v4_addr.to_bytes();
  address_v6::bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0xFF, 0xFF, v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
  return address_v6(v6_bytes);
}

} // namespace ip
} // namespace asio
} // namespace boost

#include <boost/asio/detail/pop_options.hpp>

#endif // BOOST_ASIO_IP_IMPL_ADDRESS_V6_IPP
Commit	Line	Data
7c673cae FG	1	//
	2	// ip/impl/address_v6.ipp
	3	// ~~~~~~~~~~~~~~~~~~~~~~
	4	//
92f5a8d4	5	// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
7c673cae FG	6	//
	7	// Distributed under the Boost Software License, Version 1.0. (See accompanying
	8	// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
	9	//
	10
	11	#ifndef BOOST_ASIO_IP_IMPL_ADDRESS_V6_IPP
	12	#define BOOST_ASIO_IP_IMPL_ADDRESS_V6_IPP
	13
	14	#if defined(_MSC_VER) && (_MSC_VER >= 1200)
	15	# pragma once
	16	#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
	17
	18	#include <boost/asio/detail/config.hpp>
	19	#include <cstring>
	20	#include <stdexcept>
	21	#include <typeinfo>
	22	#include <boost/asio/detail/socket_ops.hpp>
	23	#include <boost/asio/detail/throw_error.hpp>
	24	#include <boost/asio/detail/throw_exception.hpp>
	25	#include <boost/asio/error.hpp>
	26	#include <boost/asio/ip/address_v6.hpp>
b32b8144	27	#include <boost/asio/ip/bad_address_cast.hpp>
7c673cae FG	28
	29	#include <boost/asio/detail/push_options.hpp>
	30
	31	namespace boost {
	32	namespace asio {
	33	namespace ip {
	34
92f5a8d4	35	address_v6::address_v6() BOOST_ASIO_NOEXCEPT
7c673cae FG	36	: addr_(),
	37	scope_id_(0)
	38	{
	39	}
	40
	41	address_v6::address_v6(const address_v6::bytes_type& bytes,
	42	unsigned long scope)
	43	: scope_id_(scope)
	44	{
	45	#if UCHAR_MAX > 0xFF
	46	for (std::size_t i = 0; i < bytes.size(); ++i)
	47	{
	48	if (bytes[i] > 0xFF)
	49	{
	50	std::out_of_range ex("address_v6 from bytes_type");
	51	boost::asio::detail::throw_exception(ex);
	52	}
	53	}
	54	#endif // UCHAR_MAX > 0xFF
	55
	56	using namespace std; // For memcpy.
	57	memcpy(addr_.s6_addr, bytes.data(), 16);
	58	}
	59
92f5a8d4	60	address_v6::address_v6(const address_v6& other) BOOST_ASIO_NOEXCEPT
7c673cae FG	61	: addr_(other.addr_),
	62	scope_id_(other.scope_id_)
	63	{
	64	}
	65
	66	#if defined(BOOST_ASIO_HAS_MOVE)
92f5a8d4	67	address_v6::address_v6(address_v6&& other) BOOST_ASIO_NOEXCEPT
7c673cae FG	68	: addr_(other.addr_),
	69	scope_id_(other.scope_id_)
	70	{
	71	}
	72	#endif // defined(BOOST_ASIO_HAS_MOVE)
	73
92f5a8d4	74	address_v6& address_v6::operator=(const address_v6& other) BOOST_ASIO_NOEXCEPT
7c673cae FG	75	{
	76	addr_ = other.addr_;
	77	scope_id_ = other.scope_id_;
	78	return *this;
	79	}
	80
	81	#if defined(BOOST_ASIO_HAS_MOVE)
92f5a8d4	82	address_v6& address_v6::operator=(address_v6&& other) BOOST_ASIO_NOEXCEPT
7c673cae FG	83	{
	84	addr_ = other.addr_;
	85	scope_id_ = other.scope_id_;
	86	return *this;
	87	}
	88	#endif // defined(BOOST_ASIO_HAS_MOVE)
	89
92f5a8d4	90	address_v6::bytes_type address_v6::to_bytes() const BOOST_ASIO_NOEXCEPT
7c673cae FG	91	{
	92	using namespace std; // For memcpy.
	93	bytes_type bytes;
	94	#if defined(BOOST_ASIO_HAS_STD_ARRAY)
	95	memcpy(bytes.data(), addr_.s6_addr, 16);
	96	#else // defined(BOOST_ASIO_HAS_STD_ARRAY)
	97	memcpy(bytes.elems, addr_.s6_addr, 16);
	98	#endif // defined(BOOST_ASIO_HAS_STD_ARRAY)
	99	return bytes;
	100	}
	101
	102	std::string address_v6::to_string() const
	103	{
	104	boost::system::error_code ec;
b32b8144 FG	105	char addr_str[boost::asio::detail::max_addr_v6_str_len];
	106	const char* addr =
	107	boost::asio::detail::socket_ops::inet_ntop(
	108	BOOST_ASIO_OS_DEF(AF_INET6), &addr_, addr_str,
	109	boost::asio::detail::max_addr_v6_str_len, scope_id_, ec);
	110	if (addr == 0)
	111	boost::asio::detail::throw_error(ec);
7c673cae FG	112	return addr;
	113	}
	114
b32b8144	115	#if !defined(BOOST_ASIO_NO_DEPRECATED)
7c673cae FG	116	std::string address_v6::to_string(boost::system::error_code& ec) const
	117	{
	118	char addr_str[boost::asio::detail::max_addr_v6_str_len];
	119	const char* addr =
	120	boost::asio::detail::socket_ops::inet_ntop(
	121	BOOST_ASIO_OS_DEF(AF_INET6), &addr_, addr_str,
	122	boost::asio::detail::max_addr_v6_str_len, scope_id_, ec);
	123	if (addr == 0)
	124	return std::string();
	125	return addr;
	126	}
	127
7c673cae FG	128	address_v4 address_v6::to_v4() const
	129	{
	130	if (!is_v4_mapped() && !is_v4_compatible())
	131	{
b32b8144	132	bad_address_cast ex;
7c673cae FG	133	boost::asio::detail::throw_exception(ex);
	134	}
	135
	136	address_v4::bytes_type v4_bytes = { { addr_.s6_addr[12],
	137	addr_.s6_addr[13], addr_.s6_addr[14], addr_.s6_addr[15] } };
	138	return address_v4(v4_bytes);
	139	}
b32b8144	140	#endif // !defined(BOOST_ASIO_NO_DEPRECATED)
7c673cae	141
92f5a8d4	142	bool address_v6::is_loopback() const BOOST_ASIO_NOEXCEPT
7c673cae FG	143	{
	144	return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
	145	&& (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
	146	&& (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
	147	&& (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
	148	&& (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
	149	&& (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
	150	&& (addr_.s6_addr[12] == 0) && (addr_.s6_addr[13] == 0)
	151	&& (addr_.s6_addr[14] == 0) && (addr_.s6_addr[15] == 1));
	152	}
	153
92f5a8d4	154	bool address_v6::is_unspecified() const BOOST_ASIO_NOEXCEPT
7c673cae FG	155	{
	156	return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
	157	&& (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
	158	&& (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
	159	&& (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
	160	&& (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
	161	&& (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
	162	&& (addr_.s6_addr[12] == 0) && (addr_.s6_addr[13] == 0)
	163	&& (addr_.s6_addr[14] == 0) && (addr_.s6_addr[15] == 0));
	164	}
	165
92f5a8d4	166	bool address_v6::is_link_local() const BOOST_ASIO_NOEXCEPT
7c673cae FG	167	{
	168	return ((addr_.s6_addr[0] == 0xfe) && ((addr_.s6_addr[1] & 0xc0) == 0x80));
	169	}
	170
92f5a8d4	171	bool address_v6::is_site_local() const BOOST_ASIO_NOEXCEPT
7c673cae FG	172	{
	173	return ((addr_.s6_addr[0] == 0xfe) && ((addr_.s6_addr[1] & 0xc0) == 0xc0));
	174	}
	175
92f5a8d4	176	bool address_v6::is_v4_mapped() const BOOST_ASIO_NOEXCEPT
7c673cae FG	177	{
	178	return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
	179	&& (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
	180	&& (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
	181	&& (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
	182	&& (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
	183	&& (addr_.s6_addr[10] == 0xff) && (addr_.s6_addr[11] == 0xff));
	184	}
	185
b32b8144	186	#if !defined(BOOST_ASIO_NO_DEPRECATED)
7c673cae FG	187	bool address_v6::is_v4_compatible() const
	188	{
	189	return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
	190	&& (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
	191	&& (addr_.s6_addr[4] == 0) && (addr_.s6_addr[5] == 0)
	192	&& (addr_.s6_addr[6] == 0) && (addr_.s6_addr[7] == 0)
	193	&& (addr_.s6_addr[8] == 0) && (addr_.s6_addr[9] == 0)
	194	&& (addr_.s6_addr[10] == 0) && (addr_.s6_addr[11] == 0)
	195	&& !((addr_.s6_addr[12] == 0)
	196	&& (addr_.s6_addr[13] == 0)
	197	&& (addr_.s6_addr[14] == 0)
	198	&& ((addr_.s6_addr[15] == 0) \|\| (addr_.s6_addr[15] == 1))));
	199	}
b32b8144	200	#endif // !defined(BOOST_ASIO_NO_DEPRECATED)
7c673cae	201
92f5a8d4	202	bool address_v6::is_multicast() const BOOST_ASIO_NOEXCEPT
7c673cae FG	203	{
	204	return (addr_.s6_addr[0] == 0xff);
	205	}
	206
92f5a8d4	207	bool address_v6::is_multicast_global() const BOOST_ASIO_NOEXCEPT
7c673cae FG	208	{
	209	return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x0e));
	210	}
	211
92f5a8d4	212	bool address_v6::is_multicast_link_local() const BOOST_ASIO_NOEXCEPT
7c673cae FG	213	{
	214	return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x02));
	215	}
	216
92f5a8d4	217	bool address_v6::is_multicast_node_local() const BOOST_ASIO_NOEXCEPT
7c673cae FG	218	{
	219	return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x01));
	220	}
	221
92f5a8d4	222	bool address_v6::is_multicast_org_local() const BOOST_ASIO_NOEXCEPT
7c673cae FG	223	{
	224	return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x08));
	225	}
	226
92f5a8d4	227	bool address_v6::is_multicast_site_local() const BOOST_ASIO_NOEXCEPT
7c673cae FG	228	{
	229	return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x05));
	230	}
	231
92f5a8d4	232	bool operator==(const address_v6& a1, const address_v6& a2) BOOST_ASIO_NOEXCEPT
7c673cae FG	233	{
	234	using namespace std; // For memcmp.
	235	return memcmp(&a1.addr_, &a2.addr_,
	236	sizeof(boost::asio::detail::in6_addr_type)) == 0
	237	&& a1.scope_id_ == a2.scope_id_;
	238	}
	239
92f5a8d4	240	bool operator<(const address_v6& a1, const address_v6& a2) BOOST_ASIO_NOEXCEPT
7c673cae FG	241	{
	242	using namespace std; // For memcmp.
	243	int memcmp_result = memcmp(&a1.addr_, &a2.addr_,
	244	sizeof(boost::asio::detail::in6_addr_type));
	245	if (memcmp_result < 0)
	246	return true;
	247	if (memcmp_result > 0)
	248	return false;
	249	return a1.scope_id_ < a2.scope_id_;
	250	}
	251
92f5a8d4	252	address_v6 address_v6::loopback() BOOST_ASIO_NOEXCEPT
7c673cae FG	253	{
	254	address_v6 tmp;
	255	tmp.addr_.s6_addr[15] = 1;
	256	return tmp;
	257	}
	258
b32b8144	259	#if !defined(BOOST_ASIO_NO_DEPRECATED)
7c673cae FG	260	address_v6 address_v6::v4_mapped(const address_v4& addr)
	261	{
	262	address_v4::bytes_type v4_bytes = addr.to_bytes();
	263	bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF,
	264	v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
	265	return address_v6(v6_bytes);
	266	}
	267
	268	address_v6 address_v6::v4_compatible(const address_v4& addr)
	269	{
	270	address_v4::bytes_type v4_bytes = addr.to_bytes();
	271	bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	272	v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
	273	return address_v6(v6_bytes);
	274	}
b32b8144 FG	275	#endif // !defined(BOOST_ASIO_NO_DEPRECATED)
	276
	277	address_v6 make_address_v6(const char* str)
	278	{
	279	boost::system::error_code ec;
	280	address_v6 addr = make_address_v6(str, ec);
	281	boost::asio::detail::throw_error(ec);
	282	return addr;
	283	}
	284
92f5a8d4 TL	285	address_v6 make_address_v6(const char* str,
92f5a8d4 TL	286	boost::system::error_code& ec) BOOST_ASIO_NOEXCEPT
b32b8144 FG	287	{
	288	address_v6::bytes_type bytes;
	289	unsigned long scope_id = 0;
	290	if (boost::asio::detail::socket_ops::inet_pton(
	291	BOOST_ASIO_OS_DEF(AF_INET6), str, &bytes[0], &scope_id, ec) <= 0)
	292	return address_v6();
	293	return address_v6(bytes, scope_id);
	294	}
	295
	296	address_v6 make_address_v6(const std::string& str)
	297	{
	298	return make_address_v6(str.c_str());
	299	}
	300
92f5a8d4 TL	301	address_v6 make_address_v6(const std::string& str,
92f5a8d4 TL	302	boost::system::error_code& ec) BOOST_ASIO_NOEXCEPT
b32b8144 FG	303	{
	304	return make_address_v6(str.c_str(), ec);
	305	}
	306
11fdf7f2	307	#if defined(BOOST_ASIO_HAS_STRING_VIEW)
b32b8144 FG	308
	309	address_v6 make_address_v6(string_view str)
	310	{
	311	return make_address_v6(static_cast<std::string>(str));
	312	}
	313
	314	address_v6 make_address_v6(string_view str,
92f5a8d4	315	boost::system::error_code& ec) BOOST_ASIO_NOEXCEPT
b32b8144 FG	316	{
	317	return make_address_v6(static_cast<std::string>(str), ec);
	318	}
	319
11fdf7f2	320	#endif // defined(BOOST_ASIO_HAS_STRING_VIEW)
b32b8144 FG	321
	322	address_v4 make_address_v4(
	323	v4_mapped_t, const address_v6& v6_addr)
	324	{
	325	if (!v6_addr.is_v4_mapped())
	326	{
	327	bad_address_cast ex;
	328	boost::asio::detail::throw_exception(ex);
	329	}
	330
	331	address_v6::bytes_type v6_bytes = v6_addr.to_bytes();
	332	address_v4::bytes_type v4_bytes = { { v6_bytes[12],
	333	v6_bytes[13], v6_bytes[14], v6_bytes[15] } };
	334	return address_v4(v4_bytes);
	335	}
	336
	337	address_v6 make_address_v6(
	338	v4_mapped_t, const address_v4& v4_addr)
	339	{
	340	address_v4::bytes_type v4_bytes = v4_addr.to_bytes();
	341	address_v6::bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	342	0xFF, 0xFF, v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
	343	return address_v6(v6_bytes);
	344	}
7c673cae FG	345
	346	} // namespace ip
	347	} // namespace asio
	348	} // namespace boost
	349
	350	#include <boost/asio/detail/pop_options.hpp>
	351
	352	#endif // BOOST_ASIO_IP_IMPL_ADDRESS_V6_IPP