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Diffstat (limited to 'src/mmo/ip.hpp')
| -rw-r--r-- | src/mmo/ip.hpp | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/mmo/ip.hpp b/src/mmo/ip.hpp deleted file mode 100644 index 88ad965..0000000 --- a/src/mmo/ip.hpp +++ /dev/null @@ -1,165 +0,0 @@ -#ifndef TMWA_MMO_IP_HPP -#define TMWA_MMO_IP_HPP -// ip.hpp - classes to deal with IP addresses. -// -// Copyright © 2013 Ben Longbons <b.r.longbons@gmail.com> -// -// This file is part of The Mana World (Athena server) -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. - -# include "fwd.hpp" - -# include <netinet/in.h> - -# include <cstddef> -# include <cstdint> - -# include "../strings/fwd.hpp" - -// TODO - in the long run ports belong here also -// and of course, IPv6 stuff. -// But what about unix socket addresses? - -/// Helper function -template<class T, size_t n> -constexpr -bool _ce_a_lt(T (&a)[n], T (&b)[n], size_t i=0) -{ - return (i != n - && (a[i] < b[i] - || (a[i] == b[i] - && _ce_a_lt(a, b, i + 1)))); -} - -/// A 32-bit Ipv4 address. Does not include a port. -/// Guaranteed to be laid out like the network wants. -class IP4Address -{ - uint8_t _addr[4]; -public: - constexpr - IP4Address() - : _addr{} - {} - constexpr explicit - IP4Address(const uint8_t (&a)[4]) - : _addr{a[0], a[1], a[2], a[3]} - {} - explicit - IP4Address(struct in_addr addr) - { - static_assert(sizeof(addr) == sizeof(_addr), "4 bytes"); - *this = IP4Address(reinterpret_cast<const uint8_t (&)[4]>(addr)); - } - explicit - operator struct in_addr() const - { - return reinterpret_cast<const struct in_addr&>(_addr); - } - - constexpr friend - IP4Address operator & (IP4Address l, IP4Address r) - { - return IP4Address({ - static_cast<uint8_t>(l._addr[0] & r._addr[0]), - static_cast<uint8_t>(l._addr[1] & r._addr[1]), - static_cast<uint8_t>(l._addr[2] & r._addr[2]), - static_cast<uint8_t>(l._addr[3] & r._addr[3]), - }); - } - - IP4Address& operator &= (IP4Address m) - { return *this = *this & m; } - - const uint8_t *bytes() const - { return _addr; } - - constexpr friend - bool operator < (IP4Address l, IP4Address r) - { - return _ce_a_lt(l._addr, r._addr); - } - - constexpr friend - bool operator > (IP4Address l, IP4Address r) - { - return _ce_a_lt(r._addr, l._addr); - } - - constexpr friend - bool operator >= (IP4Address l, IP4Address r) - { - return !_ce_a_lt(l._addr, r._addr); - } - - constexpr friend - bool operator <= (IP4Address l, IP4Address r) - { - return !_ce_a_lt(r._addr, l._addr); - } - - constexpr friend - bool operator == (IP4Address l, IP4Address r) - { - return !(l < r || r < l); - } - - constexpr friend - bool operator != (IP4Address l, IP4Address r) - { - return (l < r || r < l); - } -}; - -class IP4Mask -{ - IP4Address _addr, _mask; -public: - constexpr - IP4Mask() : _addr(), _mask() - {} - constexpr - IP4Mask(IP4Address a, IP4Address m) : _addr(a & m), _mask(m) - {} - - constexpr - IP4Address addr() const - { return _addr; } - constexpr - IP4Address mask() const - { return _mask; } - - constexpr - bool covers(IP4Address a) const - { - return (a & _mask) == _addr; - } -}; - - -constexpr -IP4Address IP4_LOCALHOST({127, 0, 0, 1}); -constexpr -IP4Address IP4_BROADCAST({255, 255, 255, 255}); - - -VString<15> convert_for_printf(IP4Address a); -VString<31> convert_for_printf(IP4Mask m); - -bool extract(XString str, IP4Address *iv); - -bool extract(XString str, IP4Mask *iv); - -#endif // TMWA_MMO_IP_HPP |