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Extract support for all numeric types

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This commit is contained in:
Dominik Werder
2021-05-12 22:48:41 +02:00
parent 34217967e9
commit 21aa59e0d0
6 changed files with 104 additions and 55 deletions
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9
disk/src/index.rs
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@@ -154,37 +154,28 @@ pub async fn position_file(mut file: File, beg: u64) -> Result<File, Error> {
//
}
let hres = parse_channel_header(&buf)?;
info!("hres: {:?}", hres);
let headoff = 2 + hres.0 as u64;
let ev = parse_event(&buf[headoff as usize..])?;
info!("ev: {:?}", ev);
let evlen = ev.0 as u64;
info!("flen: {} flen - headoff mod evlen: {}", flen, (flen - headoff) % evlen);
let mut j = headoff;
let mut k = ((flen - headoff) / evlen - 1) * evlen + headoff;
info!("j {} k {}", j, k);
let x = ev.1.ns;
let y = read_event_at(k, &mut file).await?.1.ns;
info!("x {} y {}", x, y);
if x >= beg {
info!("found A");
file.seek(SeekFrom::Start(j)).await?;
return Ok(file);
}
if y < beg {
info!("found B");
file.seek(SeekFrom::Start(j)).await?;
return Ok(file);
}
loop {
if k - j < 2 * evlen {
info!("found C");
file.seek(SeekFrom::Start(k)).await?;
return Ok(file);
}
let m = j + (k - j) / 2 / evlen * evlen;
let x = read_event_at(m, &mut file).await?.1.ns;
info!("event at m: {} ts: {}", m, x);
if x < beg {
j = m;
} else {