random-access-disk

Continuously read,write to disk, using random offsets and lengths. Adapted from random-access-storage/random-access-file.

• Documentation
• Crate

Usage

extern crate random_access_storage;
extern crate random_access_disk;
extern crate tempfile;
extern crate failure;

use random_access_disk::RandomAccessDisk;
use random_access_storage::RandomAccess;
use tempfile::Builder;
use failure::Error;

fn main () -> Result<(), Error>{
  let dir = Builder::new()
    .prefix("random-access-disk")
    .tempdir()?;

  let file = dir.path().join("example.db");
  let mut file = RandomAccessDisk::open(file)?;

  file.write(0, b"hello")?;
  file.write(5, b" world")?;

  let text = file.read(0, 11)?;
  assert_eq!(&text, b"hello world");
  Ok(())
}

Installation

$ cargo add random-access-disk

License

MIT OR Apache-2.0