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authorMatthias P. Braendli <matthias.braendli@mpb.li>2018-08-06 10:35:22 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2018-08-06 10:35:22 +0200
commite95946831f8ef53d29590735a2df661385edb008 (patch)
treee179b6beed4a5a0dd108f078a529ae9f8107ed8e /lib/asio/ip/impl/address_v4.ipp
parent8bc01ff60629d9096f4b57cfb574ace672a6ef0e (diff)
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Replace boost by the standalone asio library
Diffstat (limited to 'lib/asio/ip/impl/address_v4.ipp')
-rw-r--r--lib/asio/ip/impl/address_v4.ipp210
1 files changed, 210 insertions, 0 deletions
diff --git a/lib/asio/ip/impl/address_v4.ipp b/lib/asio/ip/impl/address_v4.ipp
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+//
+// ip/impl/address_v4.ipp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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_IMPL_ADDRESS_V4_IPP
+#define ASIO_IP_IMPL_ADDRESS_V4_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <climits>
+#include <limits>
+#include <stdexcept>
+#include "asio/error.hpp"
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/detail/throw_exception.hpp"
+#include "asio/ip/address_v4.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+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");
+ 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(address_v4::uint_type addr)
+{
+ if ((std::numeric_limits<uint_type>::max)() > 0xFFFFFFFF)
+ {
+ std::out_of_range ex("address_v4 from unsigned integer");
+ asio::detail::throw_exception(ex);
+ }
+
+ addr_.s_addr = asio::detail::socket_ops::host_to_network_long(
+ static_cast<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(ASIO_HAS_STD_ARRAY)
+ memcpy(bytes.data(), &addr_.s_addr, 4);
+#else // defined(ASIO_HAS_STD_ARRAY)
+ memcpy(bytes.elems, &addr_.s_addr, 4);
+#endif // defined(ASIO_HAS_STD_ARRAY)
+ return bytes;
+}
+
+address_v4::uint_type address_v4::to_uint() const
+{
+ return asio::detail::socket_ops::network_to_host_long(addr_.s_addr);
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+unsigned long address_v4::to_ulong() const
+{
+ return asio::detail::socket_ops::network_to_host_long(addr_.s_addr);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+std::string address_v4::to_string() const
+{
+ asio::error_code ec;
+ char addr_str[asio::detail::max_addr_v4_str_len];
+ const char* addr =
+ asio::detail::socket_ops::inet_ntop(
+ ASIO_OS_DEF(AF_INET), &addr_, addr_str,
+ asio::detail::max_addr_v4_str_len, 0, ec);
+ if (addr == 0)
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+std::string address_v4::to_string(asio::error_code& ec) const
+{
+ char addr_str[asio::detail::max_addr_v4_str_len];
+ const char* addr =
+ asio::detail::socket_ops::inet_ntop(
+ ASIO_OS_DEF(AF_INET), &addr_, addr_str,
+ asio::detail::max_addr_v4_str_len, 0, ec);
+ if (addr == 0)
+ return std::string();
+ return addr;
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+bool address_v4::is_loopback() const
+{
+ return (to_uint() & 0xFF000000) == 0x7F000000;
+}
+
+bool address_v4::is_unspecified() const
+{
+ return to_uint() == 0;
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+bool address_v4::is_class_a() const
+{
+ return (to_uint() & 0x80000000) == 0;
+}
+
+bool address_v4::is_class_b() const
+{
+ return (to_uint() & 0xC0000000) == 0x80000000;
+}
+
+bool address_v4::is_class_c() const
+{
+ return (to_uint() & 0xE0000000) == 0xC0000000;
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+bool address_v4::is_multicast() const
+{
+ return (to_uint() & 0xF0000000) == 0xE0000000;
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+address_v4 address_v4::broadcast(const address_v4& addr, const address_v4& mask)
+{
+ return address_v4(addr.to_uint() | (mask.to_uint() ^ 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);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+address_v4 make_address_v4(const char* str)
+{
+ asio::error_code ec;
+ address_v4 addr = make_address_v4(str, ec);
+ asio::detail::throw_error(ec);
+ return addr;
+}
+
+address_v4 make_address_v4(
+ const char* str, asio::error_code& ec)
+{
+ address_v4::bytes_type bytes;
+ if (asio::detail::socket_ops::inet_pton(
+ ASIO_OS_DEF(AF_INET), str, &bytes, 0, ec) <= 0)
+ return address_v4();
+ return address_v4(bytes);
+}
+
+address_v4 make_address_v4(const std::string& str)
+{
+ return make_address_v4(str.c_str());
+}
+
+address_v4 make_address_v4(
+ const std::string& str, asio::error_code& ec)
+{
+ return make_address_v4(str.c_str(), ec);
+}
+
+#if defined(ASIO_HAS_STRING_VIEW)
+
+address_v4 make_address_v4(string_view str)
+{
+ return make_address_v4(static_cast<std::string>(str));
+}
+
+address_v4 make_address_v4(string_view str,
+ asio::error_code& ec)
+{
+ return make_address_v4(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_IMPL_ADDRESS_V4_IPP