// | |
// ip/impl/address_v6.ipp | |
// ~~~~~~~~~~~~~~~~~~~~~~ | |
// | |
// Copyright (c) 2003-2011 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/throw_exception.hpp> | |
#include <boost/asio/detail/socket_ops.hpp> | |
#include <boost/asio/detail/throw_error.hpp> | |
#include <boost/asio/error.hpp> | |
#include <boost/asio/ip/address_v6.hpp> | |
#include <boost/asio/detail/push_options.hpp> | |
namespace boost { | |
namespace asio { | |
namespace ip { | |
address_v6::address_v6() | |
: scope_id_(0) | |
{ | |
boost::asio::detail::in6_addr_type tmp_addr = IN6ADDR_ANY_INIT; | |
addr_ = tmp_addr; | |
} | |
address_v6::address_v6(const address_v6::bytes_type& bytes, | |
unsigned long scope_id) | |
: scope_id_(scope_id) | |
{ | |
#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::throw_exception(ex); | |
} | |
} | |
#endif // UCHAR_MAX > 0xFF | |
using namespace std; // For memcpy. | |
memcpy(addr_.s6_addr, bytes.elems, 16); | |
} | |
address_v6::address_v6(const address_v6& other) | |
: addr_(other.addr_), | |
scope_id_(other.scope_id_) | |
{ | |
} | |
address_v6& address_v6::operator=(const address_v6& other) | |
{ | |
addr_ = other.addr_; | |
scope_id_ = other.scope_id_; | |
return *this; | |
} | |
address_v6::bytes_type address_v6::to_bytes() const | |
{ | |
using namespace std; // For memcpy. | |
bytes_type bytes; | |
memcpy(bytes.elems, addr_.s6_addr, 16); | |
return bytes; | |
} | |
std::string address_v6::to_string() const | |
{ | |
boost::system::error_code ec; | |
std::string addr = to_string(ec); | |
boost::asio::detail::throw_error(ec); | |
return addr; | |
} | |
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(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_v6 address_v6::from_string(const char* str) | |
{ | |
boost::system::error_code ec; | |
address_v6 addr = from_string(str, ec); | |
boost::asio::detail::throw_error(ec); | |
return addr; | |
} | |
address_v6 address_v6::from_string( | |
const char* str, boost::system::error_code& ec) | |
{ | |
address_v6 tmp; | |
if (boost::asio::detail::socket_ops::inet_pton( | |
AF_INET6, str, &tmp.addr_, &tmp.scope_id_, ec) <= 0) | |
return address_v6(); | |
return tmp; | |
} | |
address_v6 address_v6::from_string(const std::string& str) | |
{ | |
return from_string(str.c_str()); | |
} | |
address_v6 address_v6::from_string( | |
const std::string& str, boost::system::error_code& ec) | |
{ | |
return from_string(str.c_str(), ec); | |
} | |
address_v4 address_v6::to_v4() const | |
{ | |
if (!is_v4_mapped() && !is_v4_compatible()) | |
{ | |
std::bad_cast ex; | |
boost::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); | |
} | |
bool address_v6::is_loopback() const | |
{ | |
#if defined(__BORLANDC__) | |
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)); | |
#else | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_LOOPBACK(&addr_) != 0; | |
#endif | |
} | |
bool address_v6::is_unspecified() const | |
{ | |
#if defined(__BORLANDC__) | |
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)); | |
#else | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_UNSPECIFIED(&addr_) != 0; | |
#endif | |
} | |
bool address_v6::is_link_local() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_LINKLOCAL(&addr_) != 0; | |
} | |
bool address_v6::is_site_local() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_SITELOCAL(&addr_) != 0; | |
} | |
bool address_v6::is_v4_mapped() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_V4MAPPED(&addr_) != 0; | |
} | |
bool address_v6::is_v4_compatible() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_V4COMPAT(&addr_) != 0; | |
} | |
bool address_v6::is_multicast() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_MULTICAST(&addr_) != 0; | |
} | |
bool address_v6::is_multicast_global() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_MC_GLOBAL(&addr_) != 0; | |
} | |
bool address_v6::is_multicast_link_local() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_MC_LINKLOCAL(&addr_) != 0; | |
} | |
bool address_v6::is_multicast_node_local() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_MC_NODELOCAL(&addr_) != 0; | |
} | |
bool address_v6::is_multicast_org_local() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_MC_ORGLOCAL(&addr_) != 0; | |
} | |
bool address_v6::is_multicast_site_local() const | |
{ | |
using namespace boost::asio::detail; | |
return IN6_IS_ADDR_MC_SITELOCAL(&addr_) != 0; | |
} | |
bool operator==(const address_v6& a1, const address_v6& a2) | |
{ | |
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) | |
{ | |
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() | |
{ | |
address_v6 tmp; | |
boost::asio::detail::in6_addr_type tmp_addr = IN6ADDR_LOOPBACK_INIT; | |
tmp.addr_ = tmp_addr; | |
return tmp; | |
} | |
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); | |
} | |
} // namespace ip | |
} // namespace asio | |
} // namespace boost | |
#include <boost/asio/detail/pop_options.hpp> | |
#endif // BOOST_ASIO_IP_IMPL_ADDRESS_V6_IPP |