bp3d_proto/message/payload/
common.rs

1// Copyright (c) 2024, BlockProject 3D
2//
3// All rights reserved.
4//
5// Redistribution and use in source and binary forms, with or without modification,
6// are permitted provided that the following conditions are met:
7//
8//     * Redistributions of source code must retain the above copyright notice,
9//       this list of conditions and the following disclaimer.
10//     * Redistributions in binary form must reproduce the above copyright notice,
11//       this list of conditions and the following disclaimer in the documentation
12//       and/or other materials provided with the distribution.
13//     * Neither the name of BlockProject 3D nor the names of its contributors
14//       may be used to endorse or promote products derived from this software
15//       without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29use crate::message::{Error, FromBytes, Message, WriteTo};
30use std::io::Write;
31
32pub struct Buffer;
33
34impl<'a> FromBytes<'a> for Buffer {
35    type Output = &'a [u8];
36
37    fn from_bytes(slice: &'a [u8]) -> Result<Message<Self::Output>, Error> {
38        Ok(Message::new(slice.len(), slice))
39    }
40}
41
42impl WriteTo for Buffer {
43    type Input<'a> = &'a [u8];
44
45    fn write_to<W: Write>(input: &Self::Input<'_>, mut out: W) -> Result<(), Error> {
46        out.write_all(input)?;
47        Ok(())
48    }
49}
50
51#[cfg(feature = "tokio")]
52impl crate::message::WriteToAsync for Buffer {
53    async fn write_to_async<W: tokio::io::AsyncWriteExt + Unpin>(
54        input: &Self::Input<'_>,
55        mut out: W,
56    ) -> Result<(), Error> {
57        out.write_all(input).await?;
58        Ok(())
59    }
60}
bp3d_proto/message/payload/common.rs

bp3d_proto/message/payload/
common.rs
