io_uring: move fd utility helpers into crate

src/utils/line_logger.rs

@@ -1,36 +0,0 @@
-use {
-    crate::{
-        io_uring::{IoUring, IoUringError},
-        utils::{buf::Buf, vecdeque_ext::VecDequeExt},
-    },
-    isnt::std_1::collections::IsntVecDequeExt,
-    std::{collections::VecDeque, rc::Rc},
-    uapi::OwnedFd,
-};
-
-pub async fn log_lines(
-    ring: &IoUring,
-    fd: &Rc<OwnedFd>,
-    mut f: impl FnMut(&[u8], &[u8]),
-) -> Result<(), IoUringError> {
-    let mut buf = VecDeque::<u8>::new();
-    let mut buf2 = Buf::new(1024);
-    let mut done = false;
-    while !done {
-        let n = ring.read(fd, buf2.clone()).await?;
-        buf.extend(&buf2[..n]);
-        if n == 0 {
-            done = true;
-        }
-        while let Some(pos) = buf.iter().position(|b| b == &b'\n') {
-            let (left, right) = buf.get_slices(..pos);
-            f(left, right);
-            buf.drain(..=pos);
-        }
-    }
-    if buf.is_not_empty() {
-        let (left, right) = buf.as_slices();
-        f(left, right);
-    }
-    Ok(())
-}