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Diffstat (limited to '3rdParty/Boost/boost/asio/ip/address_v6.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/asio/ip/address_v6.hpp | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/asio/ip/address_v6.hpp b/3rdParty/Boost/boost/asio/ip/address_v6.hpp new file mode 100644 index 0000000..5f5f092 --- /dev/null +++ b/3rdParty/Boost/boost/asio/ip/address_v6.hpp @@ -0,0 +1,423 @@ +// +// address_v6.hpp +// ~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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/push_options.hpp> + +#include <boost/asio/detail/push_options.hpp> +#include <cstring> +#include <string> +#include <stdexcept> +#include <typeinfo> +#include <boost/array.hpp> +#include <boost/throw_exception.hpp> +#include <boost/asio/detail/pop_options.hpp> + +#include <boost/asio/error.hpp> +#include <boost/asio/detail/socket_ops.hpp> +#include <boost/asio/detail/socket_types.hpp> +#include <boost/asio/detail/throw_error.hpp> +#include <boost/asio/ip/address_v4.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. + address_v6() + : scope_id_(0) + { + boost::asio::detail::in6_addr_type tmp_addr = IN6ADDR_ANY_INIT; + addr_ = tmp_addr; + } + + /// Construct an address from raw bytes and scope ID. + explicit address_v6(const bytes_type& bytes, unsigned long scope_id = 0) + : 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); + } + + /// Copy constructor. + address_v6(const address_v6& other) + : addr_(other.addr_), + scope_id_(other.scope_id_) + { + } + + /// Assign from another address. + address_v6& operator=(const address_v6& other) + { + addr_ = other.addr_; + scope_id_ = other.scope_id_; + return *this; + } + + /// 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. + bytes_type to_bytes() const + { + using namespace std; // For memcpy. + bytes_type bytes; + memcpy(bytes.elems, addr_.s6_addr, 16); + return bytes; + } + + /// Get the address as a string. + std::string to_string() const + { + boost::system::error_code ec; + std::string addr = to_string(ec); + boost::asio::detail::throw_error(ec); + return addr; + } + + /// Get the address as a string. + std::string 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; + } + + /// Create an address from an IP address string. + static 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; + } + + /// Create an address from an IP address string. + static 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; + } + + /// Create an address from an IP address string. + static address_v6 from_string(const std::string& str) + { + return from_string(str.c_str()); + } + + /// Create an address from an IP address string. + static address_v6 from_string(const std::string& str, + boost::system::error_code& ec) + { + return from_string(str.c_str(), ec); + } + + /// Converts an IPv4-mapped or IPv4-compatible address to an IPv4 address. + address_v4 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); + } + + /// Determine whether the address is a loopback address. + bool 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 + } + + /// Determine whether the address is unspecified. + bool 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 + } + + /// Determine whether the address is link local. + bool is_link_local() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_LINKLOCAL(&addr_) != 0; + } + + /// Determine whether the address is site local. + bool is_site_local() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_SITELOCAL(&addr_) != 0; + } + + /// Determine whether the address is a mapped IPv4 address. + bool is_v4_mapped() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_V4MAPPED(&addr_) != 0; + } + + /// Determine whether the address is an IPv4-compatible address. + bool is_v4_compatible() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_V4COMPAT(&addr_) != 0; + } + + /// Determine whether the address is a multicast address. + bool is_multicast() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_MULTICAST(&addr_) != 0; + } + + /// Determine whether the address is a global multicast address. + bool is_multicast_global() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_MC_GLOBAL(&addr_) != 0; + } + + /// Determine whether the address is a link-local multicast address. + bool is_multicast_link_local() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_MC_LINKLOCAL(&addr_) != 0; + } + + /// Determine whether the address is a node-local multicast address. + bool is_multicast_node_local() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_MC_NODELOCAL(&addr_) != 0; + } + + /// Determine whether the address is a org-local multicast address. + bool is_multicast_org_local() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_MC_ORGLOCAL(&addr_) != 0; + } + + /// Determine whether the address is a site-local multicast address. + bool is_multicast_site_local() const + { + using namespace boost::asio::detail; + return IN6_IS_ADDR_MC_SITELOCAL(&addr_) != 0; + } + + /// Compare two addresses for equality. + friend 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_; + } + + /// Compare two addresses for inequality. + friend 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_; + } + + /// Compare addresses for ordering. + friend 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_; + } + + /// 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. + static address_v6 loopback() + { + address_v6 tmp; + boost::asio::detail::in6_addr_type tmp_addr = IN6ADDR_LOOPBACK_INIT; + tmp.addr_ = tmp_addr; + return tmp; + } + + /// Create an IPv4-mapped IPv6 address. + static 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); + } + + /// Create an IPv4-compatible IPv6 address. + static 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); + } + +private: + // The underlying IPv6 address. + boost::asio::detail::in6_addr_type addr_; + + // The scope ID associated with the address. + unsigned long scope_id_; +}; + +/// 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) +{ + boost::system::error_code ec; + std::string s = addr.to_string(ec); + if (ec) + { + if (os.exceptions() & std::ios::failbit) + boost::asio::detail::throw_error(ec); + else + os.setstate(std::ios_base::failbit); + } + else + for (std::string::iterator i = s.begin(); i != s.end(); ++i) + os << os.widen(*i); + return os; +} + +} // namespace ip +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_IP_ADDRESS_V6_HPP |