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sijie.sun
2024-05-03 07:55:00 +08:00
parent 1be6db661e
commit 873851e6d0
20 changed files with 373 additions and 530 deletions
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easytier/src/common/mod.rs
-1
View File
@@ -13,7 +13,6 @@ pub mod global_ctx;
pub mod ifcfg;
pub mod netns;
pub mod network;
pub mod rkyv_util;
pub mod stun;
pub mod stun_codec_ext;
easytier/src/common/rkyv_util.rs
-72
View File
@@ -1,72 +0,0 @@
use rkyv::{
string::ArchivedString,
validation::{validators::DefaultValidator, CheckTypeError},
vec::ArchivedVec,
Archive, CheckBytes, Serialize,
};
use tokio_util::bytes::{Bytes, BytesMut};
pub fn decode_from_bytes_checked<'a, T: Archive>(
bytes: &'a [u8],
) -> Result<&'a T::Archived, CheckTypeError<T::Archived, DefaultValidator<'a>>>
where
T::Archived: CheckBytes<DefaultValidator<'a>>,
{
rkyv::check_archived_root::<T>(bytes)
}
pub fn decode_from_bytes<'a, T: Archive>(
bytes: &'a [u8],
) -> Result<&'a T::Archived, CheckTypeError<T::Archived, DefaultValidator<'a>>>
where
T::Archived: CheckBytes<DefaultValidator<'a>>,
{
// rkyv::check_archived_root::<T>(bytes)
unsafe { Ok(rkyv::archived_root::<T>(bytes)) }
}
// allow deseraial T to Bytes
pub fn encode_to_bytes<T, const N: usize>(val: &T) -> Bytes
where
T: Serialize<rkyv::ser::serializers::AllocSerializer<N>>,
{
let ret = rkyv::to_bytes::<_, N>(val).unwrap();
// let mut r = BytesMut::new();
// r.extend_from_slice(&ret);
// r.freeze()
ret.into_boxed_slice().into()
}
pub fn extract_bytes_from_archived_vec(raw_data: &Bytes, archived_data: &ArchivedVec<u8>) -> Bytes {
let ptr_range = archived_data.as_ptr_range();
let offset = ptr_range.start as usize - raw_data.as_ptr() as usize;
let len = ptr_range.end as usize - ptr_range.start as usize;
return raw_data.slice(offset..offset + len);
}
pub fn extract_bytes_from_archived_string(
raw_data: &Bytes,
archived_data: &ArchivedString,
) -> Bytes {
let offset = archived_data.as_ptr() as usize - raw_data.as_ptr() as usize;
let len = archived_data.len();
if offset + len > raw_data.len() {
return Bytes::new();
}
return raw_data.slice(offset..offset + archived_data.len());
}
pub fn extract_bytes_mut_from_archived_vec(
raw_data: &mut BytesMut,
archived_data: &ArchivedVec<u8>,
) -> BytesMut {
let ptr_range = archived_data.as_ptr_range();
let offset = ptr_range.start as usize - raw_data.as_ptr() as usize;
let len = ptr_range.end as usize - ptr_range.start as usize;
raw_data.split_off(offset).split_to(len)
}
pub fn vec_to_string(vec: Vec<u8>) -> String {
unsafe { String::from_utf8_unchecked(vec) }
}