#sleep #dat #protocols #parser #header #format

sleep-parser

Parse Dat protocol SLEEP files

11 releases (breaking)

0.8.0 Dec 28, 2018
0.7.0 Oct 18, 2018
0.6.0 Jun 15, 2018
0.2.0 Mar 30, 2018

#2331 in Parser implementations

MIT/Apache

17KB
215 lines

sleep-parser

crates.io version build status downloads docs.rs docs

Parse Dat protocol SLEEP files.

Usage

extern crate sleep_parser as sleep_parser;

use sleep_parser::{FileType, HashType, Header};
use std::fs::File;
use std::io::{BufRead, BufReader};

let file = File::open("tests/fixtures/content.bitfield").unwrap();
let mut reader = BufReader::with_capacity(32, file);
let buffer = reader.fill_buf().unwrap();
let header = Header::from_vec(&buffer).unwrap();
assert!(header.is_bitfield());

Format

<32 byte header>
  <4 byte magic string: 0x05025702>
  <1 byte version number: 0>
  <2 byte entry size: 40>
  <1 byte algorithm name length prefix: 7>
  <7 byte algorithm name: BLAKE2b>
  <17 zeroes>
<40 byte entries>
  <32 byte BLAKE2b hash>
  <8 byte Uint64BE children leaf byte length>

Installation

$ cargo add sleep-parser

License

MIT or Apache-2.0

Dependencies

~185KB