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@ -23,18 +23,24 @@ use futures::{
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},
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};
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#[cfg(feature="compress-chain")]
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use lzzzz::{
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lz4f::{
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self,
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AsyncWriteCompressor,
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PreferencesBuilder,
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AsyncReadDecompressor,
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use async_compression::{
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tokio_02::{
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write::{
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BzEncoder,
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BzDecoder,
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},
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},
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};
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const SAVE_INTERVAL: Option<Duration> = Some(Duration::from_secs(2));
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#[cfg(feature="compress-chain")]
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type Compressor<T> = BzEncoder<T>;
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#[cfg(feature="compress-chain")]
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type Decompressor<T> = BzDecoder<T>;
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pub async fn save_now(state: &State) -> io::Result<()>
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{
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let chain = state.chain().read().await;
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@ -54,12 +60,11 @@ async fn save_now_to(chain: &Chain<String>, to: impl AsRef<Path>) -> io::Result<
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let chain = serde_cbor::to_vec(chain).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
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{
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#[cfg(feature="compress-chain")]
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let mut file = AsyncWriteCompressor::new(&mut file, PreferencesBuilder::new()
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.compression_level(lz4f::CLEVEL_HIGH).build())?;
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let mut file = Compressor::new(&mut file);
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file.write_all(&chain[..]).await?;
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#[cfg(feature="compress-chain")]
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#[cfg(feature="compress-chain")]
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file.flush().await?;
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#[cfg(feature="compress-chain")]
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#[cfg(feature="compress-chain")]
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file.shutdown().await?;
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}
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file.flush().await?;
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@ -105,11 +110,16 @@ pub async fn load(from: impl AsRef<Path>) -> io::Result<Chain<String>>
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let mut file = OpenOptions::new()
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.read(true)
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.open(from).await?;
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#[allow(unused_mut)]
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let mut whole = Vec::new();
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#[cfg(feature="compress-chain")]
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let mut file = AsyncReadDecompressor::new(file)?;
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let mut whole = Decompressor::new(whole);
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tokio::io::copy(&mut file, &mut whole).await?;
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whole.flush().await?;
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#[cfg(feature="compress-chain")]
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whole.shutdown().await?;
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#[cfg(feature="compress-chain")]
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let whole = whole.into_inner();
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serde_cbor::from_slice(&whole[..])
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.map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))
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}
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