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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
commit0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch)
treea71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/ip/impl/network_v6.ipp
parent558d74bffd9f069955af52c0b308a1d6169bcff0 (diff)
parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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Merge lime output into next branch
Diffstat (limited to 'lib/asio/ip/impl/network_v6.ipp')
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diff --git a/lib/asio/ip/impl/network_v6.ipp b/lib/asio/ip/impl/network_v6.ipp
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-//
-// ip/impl/network_v6.ipp
-// ~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-// Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail 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_NETWORK_V6_IPP
-#define ASIO_IP_IMPL_NETWORK_V6_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 <cstdio>
-#include <cstdlib>
-#include <stdexcept>
-#include "asio/error.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/detail/throw_exception.hpp"
-#include "asio/ip/network_v6.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace ip {
-
-network_v6::network_v6(const address_v6& addr, unsigned short prefix_len)
- : address_(addr),
- prefix_length_(prefix_len)
-{
- if (prefix_len > 128)
- {
- std::out_of_range ex("prefix length too large");
- asio::detail::throw_exception(ex);
- }
-}
-
-ASIO_DECL address_v6 network_v6::network() const ASIO_NOEXCEPT
-{
- address_v6::bytes_type bytes(address_.to_bytes());
- for (std::size_t i = 0; i < 16; ++i)
- {
- if (prefix_length_ <= i * 8)
- bytes[i] = 0;
- else if (prefix_length_ < (i + 1) * 8)
- bytes[i] &= 0xFF00 >> (prefix_length_ % 8);
- }
- return address_v6(bytes, address_.scope_id());
-}
-
-address_v6_range network_v6::hosts() const ASIO_NOEXCEPT
-{
- address_v6::bytes_type begin_bytes(address_.to_bytes());
- address_v6::bytes_type end_bytes(address_.to_bytes());
- for (std::size_t i = 0; i < 16; ++i)
- {
- if (prefix_length_ <= i * 8)
- {
- begin_bytes[i] = 0;
- end_bytes[i] = 0xFF;
- }
- else if (prefix_length_ < (i + 1) * 8)
- {
- begin_bytes[i] &= 0xFF00 >> (prefix_length_ % 8);
- end_bytes[i] |= 0xFF >> (prefix_length_ % 8);
- }
- }
- return address_v6_range(
- address_v6_iterator(address_v6(begin_bytes, address_.scope_id())),
- ++address_v6_iterator(address_v6(end_bytes, address_.scope_id())));
-}
-
-bool network_v6::is_subnet_of(const network_v6& other) const
-{
- if (other.prefix_length_ >= prefix_length_)
- return false; // Only real subsets are allowed.
- const network_v6 me(address_, other.prefix_length_);
- return other.canonical() == me.canonical();
-}
-
-std::string network_v6::to_string() const
-{
- asio::error_code ec;
- std::string addr = to_string(ec);
- asio::detail::throw_error(ec);
- return addr;
-}
-
-std::string network_v6::to_string(asio::error_code& ec) const
-{
- using namespace std; // For sprintf.
- ec = asio::error_code();
- char prefix_len[16];
-#if defined(ASIO_HAS_SECURE_RTL)
- sprintf_s(prefix_len, sizeof(prefix_len), "/%u", prefix_length_);
-#else // defined(ASIO_HAS_SECURE_RTL)
- sprintf(prefix_len, "/%u", prefix_length_);
-#endif // defined(ASIO_HAS_SECURE_RTL)
- return address_.to_string() + prefix_len;
-}
-
-network_v6 make_network_v6(const char* str)
-{
- return make_network_v6(std::string(str));
-}
-
-network_v6 make_network_v6(const char* str, asio::error_code& ec)
-{
- return make_network_v6(std::string(str), ec);
-}
-
-network_v6 make_network_v6(const std::string& str)
-{
- asio::error_code ec;
- network_v6 net = make_network_v6(str, ec);
- asio::detail::throw_error(ec);
- return net;
-}
-
-network_v6 make_network_v6(const std::string& str,
- asio::error_code& ec)
-{
- std::string::size_type pos = str.find_first_of("/");
-
- if (pos == std::string::npos)
- {
- ec = asio::error::invalid_argument;
- return network_v6();
- }
-
- if (pos == str.size() - 1)
- {
- ec = asio::error::invalid_argument;
- return network_v6();
- }
-
- std::string::size_type end = str.find_first_not_of("0123456789", pos + 1);
- if (end != std::string::npos)
- {
- ec = asio::error::invalid_argument;
- return network_v6();
- }
-
- const address_v6 addr = make_address_v6(str.substr(0, pos), ec);
- if (ec)
- return network_v6();
-
- const int prefix_len = std::atoi(str.substr(pos + 1).c_str());
- if (prefix_len < 0 || prefix_len > 128)
- {
- ec = asio::error::invalid_argument;
- return network_v6();
- }
-
- return network_v6(addr, static_cast<unsigned short>(prefix_len));
-}
-
-#if defined(ASIO_HAS_STRING_VIEW)
-
-network_v6 make_network_v6(string_view str)
-{
- return make_network_v6(static_cast<std::string>(str));
-}
-
-network_v6 make_network_v6(string_view str,
- asio::error_code& ec)
-{
- return make_network_v6(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_NETWORK_V6_IPP