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https://github.com/SerenityOS/serenity
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e265054c12
This is basically just for consistency, it's quite strange to see multiple AK container types next to each other, some with and some without the namespace prefix - we're 'using AK::Foo;' a lot and should leverage that. :^)
99 lines
3 KiB
C++
99 lines
3 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/AllOf.h>
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#include <AK/Array.h>
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#include <AK/Assertions.h>
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#include <AK/String.h>
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#include <AK/Types.h>
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class [[gnu::packed]] MACAddress {
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static constexpr size_t s_mac_address_length = 6u;
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public:
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constexpr MACAddress() = default;
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constexpr MACAddress(u8 a, u8 b, u8 c, u8 d, u8 e, u8 f)
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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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m_data[4] = e;
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m_data[5] = f;
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}
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constexpr ~MACAddress() = default;
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constexpr const u8& operator[](unsigned i) const
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{
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VERIFY(i < s_mac_address_length);
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return m_data[i];
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}
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constexpr u8& operator[](unsigned i)
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{
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VERIFY(i < s_mac_address_length);
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return m_data[i];
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}
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constexpr bool operator==(const MACAddress& other) const
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{
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for (auto i = 0u; i < m_data.size(); ++i) {
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if (m_data[i] != other.m_data[i]) {
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return false;
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}
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}
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return true;
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}
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String to_string() const
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{
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return String::formatted("{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}", m_data[0], m_data[1], m_data[2], m_data[3], m_data[4], m_data[5]);
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}
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constexpr bool is_zero() const
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{
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return all_of(m_data.begin(), m_data.end(), [](const auto octet) { return octet == 0; });
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}
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private:
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Array<u8, s_mac_address_length> m_data {};
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};
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static_assert(sizeof(MACAddress) == 6u);
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namespace AK {
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template<>
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struct Traits<MACAddress> : public GenericTraits<MACAddress> {
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static unsigned hash(const MACAddress& address) { return string_hash((const char*)&address, sizeof(address)); }
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};
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}
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