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Use bytes crate for zerocopy and memory re-use (#182)

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* Use bytes. Not yet zerocopy everywhere but compiles

* Actually zerocopy

* Actually zerocopy

* Not actually storing the torrent on disk now
This commit is contained in:
Igor Katson 2024-08-14 12:08:46 +01:00 • committed by GitHub
parent 3cc9e444b1
commit c7ed475f54
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GPG key ID: B5690EEEBB952194
20 changed files with 182 additions and 95 deletions
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36
crates/librqbit_core/src/torrent_metainfo.rs
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@ -1,11 +1,11 @@
use std::{iter::once, path::PathBuf};
use anyhow::Context;
use bencode::BencodeDeserializer;
use buffers::{ByteBuf, ByteBufOwned};
use bytes::Bytes;
use clone_to_owned::CloneToOwned;
use itertools::Either;
use serde::{Deserialize, Serialize};
use std::{iter::once, path::PathBuf};
use crate::{hash_id::Id20, lengths::Lengths};
@ -274,10 +274,10 @@ where
{
type Target = TorrentMetaV1File<<BufType as CloneToOwned>::Target>;
fn clone_to_owned(&self) -> Self::Target {
fn clone_to_owned(&self, within_buffer: Option<&Bytes>) -> Self::Target {
TorrentMetaV1File {
length: self.length,
path: self.path.clone_to_owned(),
path: self.path.clone_to_owned(within_buffer),
}
}
}
@ -288,14 +288,14 @@ where
{
type Target = TorrentMetaV1Info<<BufType as CloneToOwned>::Target>;
fn clone_to_owned(&self) -> Self::Target {
fn clone_to_owned(&self, within_buffer: Option<&Bytes>) -> Self::Target {
TorrentMetaV1Info {
name: self.name.clone_to_owned(),
pieces: self.pieces.clone_to_owned(),
name: self.name.clone_to_owned(within_buffer),
pieces: self.pieces.clone_to_owned(within_buffer),
piece_length: self.piece_length,
length: self.length,
md5sum: self.md5sum.clone_to_owned(),
files: self.files.clone_to_owned(),
md5sum: self.md5sum.clone_to_owned(within_buffer),
files: self.files.clone_to_owned(within_buffer),
}
}
}
@ -306,16 +306,16 @@ where
{
type Target = TorrentMetaV1<<BufType as CloneToOwned>::Target>;
fn clone_to_owned(&self) -> Self::Target {
fn clone_to_owned(&self, within_buffer: Option<&Bytes>) -> Self::Target {
TorrentMetaV1 {
announce: self.announce.clone_to_owned(),
announce_list: self.announce_list.clone_to_owned(),
info: self.info.clone_to_owned(),
comment: self.comment.clone_to_owned(),
created_by: self.created_by.clone_to_owned(),
encoding: self.encoding.clone_to_owned(),
publisher: self.publisher.clone_to_owned(),
publisher_url: self.publisher_url.clone_to_owned(),
announce: self.announce.clone_to_owned(within_buffer),
announce_list: self.announce_list.clone_to_owned(within_buffer),
info: self.info.clone_to_owned(within_buffer),
comment: self.comment.clone_to_owned(within_buffer),
created_by: self.created_by.clone_to_owned(within_buffer),
encoding: self.encoding.clone_to_owned(within_buffer),
publisher: self.publisher.clone_to_owned(within_buffer),
publisher_url: self.publisher_url.clone_to_owned(within_buffer),
creation_date: self.creation_date,
info_hash: self.info_hash,
}