message-dispatch 0.1.3

message-dispatch
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// This file is part of message-dispatch. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/message-dispatch/master/COPYRIGHT. No part of message-dispatch, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2019 The developers of message-dispatch. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/message-dispatch/master/COPYRIGHT.


#[derive(Debug)]
#[repr(C)]
struct MessageHeader
{
	compressed_type_identifier: CompressedTypeIdentifier,
	number_of_bytes_padding_to_align_message_contents: u8,
	total_message_size_including_message_header_padding_to_align_before_message_contents_and_padding_to_align_after: u16,
}

impl MessageHeader
{
	#[inline(always)]
	fn message_contents(&mut self) -> &mut VariablySized
	{
		unsafe { &mut * (self.message_contents_pointer() as *mut VariablySized) }
	}

	#[inline(always)]
	fn total_message_size_including_message_header_padding_to_align_before_message_contents_and_padding_to_align_after(&self) -> usize
	{
		self.total_message_size_including_message_header_padding_to_align_before_message_contents_and_padding_to_align_after as usize
	}

	#[inline(always)]
	fn message_contents_pointer(&self) -> usize
	{
		self.base_pointer() + self.number_of_bytes_padding_to_align_message_contents()
	}

	#[inline(always)]
	fn base_pointer(&self) -> usize
	{
		self as *const Self as usize
	}

	#[inline(always)]
	fn number_of_bytes_padding_to_align_message_contents(&self) -> usize
	{
		self.number_of_bytes_padding_to_align_message_contents as usize
	}
}