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This commit is contained in:
Dmitry Belyaev 2023-08-08 16:55:22 +03:00
parent 4c555df8ca
commit f2fc72056b
Signed by: b4tman
GPG Key ID: 41A00BF15EA7E5F3
2 changed files with 8 additions and 5 deletions
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5
app_async/src/main.rs
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@ -160,7 +160,7 @@ async fn read_from_db(id: u32) -> Option<Question> {
match reader.get(index).await { match reader.get(index).await {
Ok(question) => Some(question), Ok(question) => Some(question),
Err(_) => None Err(_) => None,
} }
} }
async fn write_db() { async fn write_db() {
@ -168,7 +168,8 @@ async fn write_db() {
tokio::try_join!( tokio::try_join!(
tokio::spawn(zip_reader_task(tx)), tokio::spawn(zip_reader_task(tx)),
tokio::spawn(db_writer_task(rx)) tokio::spawn(db_writer_task(rx))
).expect("tokio join"); )
.expect("tokio join");
println!("all done"); println!("all done");
} }
async fn db_writer_task(rx: UnboundedReceiver<Question>) { async fn db_writer_task(rx: UnboundedReceiver<Question>) {

8
lib/src/async_db.rs
View File

@ -59,7 +59,7 @@ where
let out = fs::File::create(path).await.str_err()?; let out = fs::File::create(path).await.str_err()?;
let out = io::BufWriter::with_capacity(opts.out_buf_size, out); let out = io::BufWriter::with_capacity(opts.out_buf_size, out);
let data_buf: Vec<u8> = Vec::with_capacity(opts.data_buf_size); let data_buf: Vec<u8> = Vec::with_capacity(opts.data_buf_size);
let compress_lvl = opts.compress_lvl; let compress_lvl = opts.compress_lvl;
let table: Vec<LSize> = vec![]; let table: Vec<LSize> = vec![];
@ -79,8 +79,10 @@ where
let item_data = bincode::encode_to_vec(item, BINCODE_CFG).str_err()?; let item_data = bincode::encode_to_vec(item, BINCODE_CFG).str_err()?;
let mut zencoder = ZstdEncoder::with_quality(&item_data[..], self.compress_lvl); let mut zencoder = ZstdEncoder::with_quality(&item_data[..], self.compress_lvl);
io::copy(&mut zencoder, &mut self.data_buf).await.str_err()?; io::copy(&mut zencoder, &mut self.data_buf)
.await
.str_err()?;
self.table.push(pos); self.table.push(pos);
Ok(()) Ok(())