Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/asio/ip/impl/address_v4.ipp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
---|---|
date | Tue, 05 Aug 2014 11:11:38 +0100 |
parents | |
children | c530137014c0 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/asio/ip/impl/address_v4.ipp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,180 @@ +// +// ip/impl/address_v4.ipp +// ~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2013 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_V4_IPP +#define BOOST_ASIO_IP_IMPL_ADDRESS_V4_IPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/config.hpp> +#include <climits> +#include <stdexcept> +#include <boost/asio/error.hpp> +#include <boost/asio/detail/socket_ops.hpp> +#include <boost/asio/detail/throw_error.hpp> +#include <boost/asio/detail/throw_exception.hpp> +#include <boost/asio/ip/address_v4.hpp> + +#include <boost/asio/detail/push_options.hpp> + +namespace boost { +namespace asio { +namespace ip { + +address_v4::address_v4(const address_v4::bytes_type& bytes) +{ +#if UCHAR_MAX > 0xFF + if (bytes[0] > 0xFF || bytes[1] > 0xFF + || bytes[2] > 0xFF || bytes[3] > 0xFF) + { + std::out_of_range ex("address_v4 from bytes_type"); + boost::asio::detail::throw_exception(ex); + } +#endif // UCHAR_MAX > 0xFF + + using namespace std; // For memcpy. + memcpy(&addr_.s_addr, bytes.data(), 4); +} + +address_v4::address_v4(unsigned long addr) +{ +#if ULONG_MAX > 0xFFFFFFFF + if (addr > 0xFFFFFFFF) + { + std::out_of_range ex("address_v4 from unsigned long"); + boost::asio::detail::throw_exception(ex); + } +#endif // ULONG_MAX > 0xFFFFFFFF + + addr_.s_addr = boost::asio::detail::socket_ops::host_to_network_long( + static_cast<boost::asio::detail::u_long_type>(addr)); +} + +address_v4::bytes_type address_v4::to_bytes() const +{ + using namespace std; // For memcpy. + bytes_type bytes; +#if defined(BOOST_ASIO_HAS_STD_ARRAY) + memcpy(bytes.data(), &addr_.s_addr, 4); +#else // defined(BOOST_ASIO_HAS_STD_ARRAY) + memcpy(bytes.elems, &addr_.s_addr, 4); +#endif // defined(BOOST_ASIO_HAS_STD_ARRAY) + return bytes; +} + +unsigned long address_v4::to_ulong() const +{ + return boost::asio::detail::socket_ops::network_to_host_long(addr_.s_addr); +} + +std::string address_v4::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_v4::to_string(boost::system::error_code& ec) const +{ + char addr_str[boost::asio::detail::max_addr_v4_str_len]; + const char* addr = + boost::asio::detail::socket_ops::inet_ntop( + BOOST_ASIO_OS_DEF(AF_INET), &addr_, addr_str, + boost::asio::detail::max_addr_v4_str_len, 0, ec); + if (addr == 0) + return std::string(); + return addr; +} + +address_v4 address_v4::from_string(const char* str) +{ + boost::system::error_code ec; + address_v4 addr = from_string(str, ec); + boost::asio::detail::throw_error(ec); + return addr; +} + +address_v4 address_v4::from_string( + const char* str, boost::system::error_code& ec) +{ + address_v4 tmp; + if (boost::asio::detail::socket_ops::inet_pton( + BOOST_ASIO_OS_DEF(AF_INET), str, &tmp.addr_, 0, ec) <= 0) + return address_v4(); + return tmp; +} + +address_v4 address_v4::from_string(const std::string& str) +{ + return from_string(str.c_str()); +} + +address_v4 address_v4::from_string( + const std::string& str, boost::system::error_code& ec) +{ + return from_string(str.c_str(), ec); +} + +bool address_v4::is_loopback() const +{ + return (to_ulong() & 0xFF000000) == 0x7F000000; +} + +bool address_v4::is_unspecified() const +{ + return to_ulong() == 0; +} + +bool address_v4::is_class_a() const +{ + return (to_ulong() & 0x80000000) == 0; +} + +bool address_v4::is_class_b() const +{ + return (to_ulong() & 0xC0000000) == 0x80000000; +} + +bool address_v4::is_class_c() const +{ + return (to_ulong() & 0xE0000000) == 0xC0000000; +} + +bool address_v4::is_multicast() const +{ + return (to_ulong() & 0xF0000000) == 0xE0000000; +} + +address_v4 address_v4::broadcast(const address_v4& addr, const address_v4& mask) +{ + return address_v4(addr.to_ulong() | (mask.to_ulong() ^ 0xFFFFFFFF)); +} + +address_v4 address_v4::netmask(const address_v4& addr) +{ + if (addr.is_class_a()) + return address_v4(0xFF000000); + if (addr.is_class_b()) + return address_v4(0xFFFF0000); + if (addr.is_class_c()) + return address_v4(0xFFFFFF00); + return address_v4(0xFFFFFFFF); +} + +} // namespace ip +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_IP_IMPL_ADDRESS_V4_IPP