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Converted to using BufWriters instead of streaming everything at once

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Signed-off-by: quexeky <git@quexeky.dev>
This commit is contained in:
quexeky
2024-11-04 17:45:46 +11:00
parent 0528c78092
commit d887f73163
1 changed files with 8 additions and 4 deletions
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12
src-tauri/src/downloads/download_logic.rs
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@ -3,11 +3,11 @@ use crate::db::DatabaseImpls;
use crate::downloads::manifest::DropDownloadContext;
use crate::DB;
use atomic_counter::{AtomicCounter, RelaxedCounter};
use log::info;
use log::{error, info};
use md5::{Context, Digest};
use std::{
fs::{File, OpenOptions},
io::{self, Error, ErrorKind, Seek, SeekFrom, Write},
io::{self, BufWriter, Error, ErrorKind, Seek, SeekFrom, Write},
path::PathBuf,
sync::{
atomic::{AtomicBool, AtomicUsize, Ordering},
@ -100,15 +100,19 @@ pub fn download_game_chunk(ctx: DropDownloadContext, callback: Arc<AtomicBool>,
// Writing everything to disk directly is probably slightly faster because it balances out the writes,
// but this is better than the performance loss from constantly reading the callbacks
//let mut writer = BufWriter::with_capacity(1024 * 1024, file);
let mut writer = BufWriter::with_capacity(1024 * 1024, file);
//copy_to_drop_file_writer(&mut response, &mut file);
match io::copy(&mut response, &mut file) {
match io::copy(&mut response, &mut writer) {
Ok(_) => {}
Err(e) => {
info!("Copy errored with error {}", e)
}
}
let file = match writer.into_inner() {
Ok(file) => file,
Err(_) => {error!("Failed to acquire writer from BufWriter"); return; }
};
let res = hex::encode(file.finish().unwrap().0);
if res != ctx.checksum {