rtc_shared/marshal/
mod.rs1use bytes::{Buf, BytesMut};
2
3use crate::error::{Error, Result};
4
5pub trait MarshalSize {
6 fn marshal_size(&self) -> usize;
7}
8
9pub trait Marshal: MarshalSize {
10 fn marshal_to(&self, buf: &mut [u8]) -> Result<usize>;
11
12 fn marshal(&self) -> Result<BytesMut> {
13 let l = self.marshal_size();
14 let mut buf = BytesMut::with_capacity(l);
15 buf.resize(l, 0);
16 let n = self.marshal_to(&mut buf)?;
17 if n != l {
18 Err(Error::Other(format!(
19 "marshal_to output size {n}, but expect {l}"
20 )))
21 } else {
22 Ok(buf)
23 }
24 }
25}
26
27pub trait Unmarshal: MarshalSize {
28 fn unmarshal<B>(buf: &mut B) -> Result<Self>
29 where
30 Self: Sized,
31 B: Buf;
32}