mirror of
https://github.com/SerenityOS/serenity
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87 lines
2.7 KiB
C++
87 lines
2.7 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/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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{
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public:
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MACAddress() {}
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MACAddress(const u8 data[6])
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{
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__builtin_memcpy(m_data, data, 6);
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}
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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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~MACAddress() {}
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u8 operator[](int i) const
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{
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ASSERT(i >= 0 && i < 6);
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return m_data[i];
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}
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bool operator==(const MACAddress& other) const
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{
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return !__builtin_memcmp(m_data, other.m_data, sizeof(m_data));
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}
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String to_string() const
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{
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return String::format("%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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bool is_zero() const
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{
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return m_data[0] == 0 && m_data[1] == 0 && m_data[2] == 0 && m_data[3] == 0 && m_data[4] == 0 && m_data[5] == 0;
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}
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private:
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u8 m_data[6];
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};
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static_assert(sizeof(MACAddress) == 6);
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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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