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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <Kernel/Net/IPv4.h>
namespace Kernel {
class [[gnu::packed]] UDPPacket {
public:
UDPPacket() = default;
~UDPPacket() = default;
u16 source_port() const { return m_source_port; }
void set_source_port(u16 port) { m_source_port = port; }
u16 destination_port() const { return m_destination_port; }
void set_destination_port(u16 port) { m_destination_port = port; }
u16 length() const { return m_length; }
void set_length(u16 length) { m_length = length; }
u16 checksum() const { return m_checksum; }
void set_checksum(u16 checksum) { m_checksum = checksum; }
const void* payload() const { return this + 1; }
void* payload() { return this + 1; }
private:
NetworkOrdered<u16> m_source_port;
NetworkOrdered<u16> m_destination_port;
NetworkOrdered<u16> m_length;
NetworkOrdered<u16> m_checksum;
};
static_assert(sizeof(UDPPacket) == 8);
}
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