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https://github.com/SerenityOS/serenity
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3bbf4610d2
You can now #include <AK/Forward.h> to get most of the AK types as forward declarations. Header dependency explosion is one of the main contributors to compile times at the moment, so this is a step towards smaller include graphs.
129 lines
3.7 KiB
C++
129 lines
3.7 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/LogStream.h>
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#include <AK/NetworkOrdered.h>
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#include <AK/Optional.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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typedef u32 in_addr_t;
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namespace AK {
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class [[gnu::packed]] IPv4Address
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{
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public:
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IPv4Address() {}
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IPv4Address(const u8 data[4])
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{
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m_data[0] = data[0];
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m_data[1] = data[1];
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m_data[2] = data[2];
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m_data[3] = data[3];
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}
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IPv4Address(u8 a, u8 b, u8 c, u8 d)
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{
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m_data[0] = a;
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m_data[1] = b;
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m_data[2] = c;
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m_data[3] = d;
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}
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IPv4Address(NetworkOrdered<u32> address)
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: m_data_as_u32(address)
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{
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}
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u8 operator[](int i) const
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{
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ASSERT(i >= 0 && i < 4);
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return m_data[i];
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}
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String to_string() const
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{
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return String::format("%u.%u.%u.%u", m_data[0], m_data[1], m_data[2], m_data[3]);
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}
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static Optional<IPv4Address> from_string(const StringView& string)
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{
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if (string.is_null())
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return {};
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auto parts = string.split_view('.');
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if (parts.size() != 4)
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return {};
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bool ok;
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auto a = parts[0].to_uint(ok);
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if (!ok || a > 255)
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return {};
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auto b = parts[1].to_uint(ok);
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if (!ok || b > 255)
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return {};
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auto c = parts[2].to_uint(ok);
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if (!ok || c > 255)
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return {};
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auto d = parts[3].to_uint(ok);
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if (!ok || d > 255)
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return {};
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return IPv4Address((u8)a, (u8)b, (u8)c, (u8)d);
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}
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in_addr_t to_in_addr_t() const { return m_data_as_u32; }
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u32 to_u32() const { return m_data_as_u32; }
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bool operator==(const IPv4Address& other) const { return m_data_as_u32 == other.m_data_as_u32; }
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bool operator!=(const IPv4Address& other) const { return m_data_as_u32 != other.m_data_as_u32; }
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bool is_zero() const
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{
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return m_data_as_u32 == 0;
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}
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private:
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union {
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u8 m_data[4];
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u32 m_data_as_u32 { 0 };
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};
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};
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static_assert(sizeof(IPv4Address) == 4);
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template<>
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struct Traits<IPv4Address> : public GenericTraits<IPv4Address> {
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static unsigned hash(const IPv4Address& address) { return string_hash((const char*)&address, sizeof(address)); }
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};
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inline const LogStream& operator<<(const LogStream& stream, const IPv4Address& value)
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{
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return stream << value.to_string();
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}
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}
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using AK::IPv4Address;
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