https://github.com/rmw-lib/file_cache

https://github.com/rmw-lib/file_cache

Last synced: 5 days ago
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• Host: GitHub
• URL: https://github.com/rmw-lib/file_cache
• Owner: rmw-lib
• Created: 2022-07-12T04:07:46.000Z (about 4 years ago)
• Default Branch: master
• Last Pushed: 2022-07-25T08:44:28.000Z (almost 4 years ago)
• Last Synced: 2026-05-19T00:48:00.667Z (2 months ago)
• Language: Rust
• Size: 60.5 KB
• Stars: 1
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# file_cache

cache file open handle

use example

[./examples/main.rs](./examples/main.rs)

```rust

use anyhow::Result;

use async_std::io::{prelude::SeekExt, ReadExt, SeekFrom};

use file_cache::FileCache;

async fn get(cache: &mut FileCache) -> Result<()> {

  let mut path = std::env::current_exe()?;

  (0..4).for_each(|_| {

    path.pop();

  });

  let path = path.join("Cargo.toml").display().to_string();

  let host = cache.get(path).await?;

  let mut host = host.value();

  host.seek(SeekFrom::Start(0)).await?;

  let mut out = [0u8; 1024];

  let n = host.read(&mut out).await?;

  println!("{}", std::str::from_utf8(&out[..n])?);

  dbg!(n);

  Ok(())

}

#[async_std::main]

async fn main() -> Result<()> {

  let mut cache = FileCache::new(2048)?;

  get(&mut cache).await?;

  Ok(())

}

```