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Integrate io_uring in the Reactor #85

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Integrate io_uring in the Reactor #85

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d4ac794
use io_uring in the reactor
notgull Aug 18, 2022
629d5da
replace poll_read and poll_wite
notgull Aug 18, 2022
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6 changes: 5 additions & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,16 +15,20 @@ categories = ["asynchronous", "network-programming", "os"]
exclude = ["/.*"]

[dependencies]
cfg-if = "1"
concurrent-queue = "1.2.2"
futures-lite = "1.11.0"
log = "0.4.11"
once_cell = "1.4.1"
parking = "2.0.0"
polling = "2.0.0"
polling = { git = "https://github.com/smol-rs/polling" }
slab = "0.4.2"
socket2 = { version = "0.4.2", features = ["all"] }
waker-fn = "1.1.0"

[target.'cfg(target_os = "linux")'.dependencies]
io-uring = { version = "=0.5.3", features = ["unstable"] }

[build-dependencies]
autocfg = "1"

Expand Down
40 changes: 10 additions & 30 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1012,17 +1012,14 @@ impl<T> Drop for Async<T> {

impl<T: Read> AsyncRead for Async<T> {
fn poll_read(
mut self: Pin<&mut Self>,
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut [u8],
) -> Poll<io::Result<usize>> {
loop {
match (&mut *self).get_mut().read(buf) {
Err(err) if err.kind() == io::ErrorKind::WouldBlock => {}
res => return Poll::Ready(res),
}
ready!(self.poll_readable(cx))?;
}
let this = self.get_mut();

// Manually access the fields in order to keep the borrow checker happy.
Reactor::get().poll_read(this.io.as_mut().unwrap(), &this.source, buf, cx)
}

fn poll_read_vectored(
Expand All @@ -1049,13 +1046,7 @@ where
cx: &mut Context<'_>,
buf: &mut [u8],
) -> Poll<io::Result<usize>> {
loop {
match (*self).get_ref().read(buf) {
Err(err) if err.kind() == io::ErrorKind::WouldBlock => {}
res => return Poll::Ready(res),
}
ready!(self.poll_readable(cx))?;
}
Reactor::get().poll_read(&mut self.get_ref(), &self.source, buf, cx)
}

fn poll_read_vectored(
Expand All @@ -1075,17 +1066,12 @@ where

impl<T: Write> AsyncWrite for Async<T> {
fn poll_write(
mut self: Pin<&mut Self>,
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
loop {
match (&mut *self).get_mut().write(buf) {
Err(err) if err.kind() == io::ErrorKind::WouldBlock => {}
res => return Poll::Ready(res),
}
ready!(self.poll_writable(cx))?;
}
let this = self.get_mut();
Reactor::get().poll_write(this.io.as_mut().unwrap(), &this.source, buf, cx)
}

fn poll_write_vectored(
Expand Down Expand Up @@ -1126,13 +1112,7 @@ where
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
loop {
match (*self).get_ref().write(buf) {
Err(err) if err.kind() == io::ErrorKind::WouldBlock => {}
res => return Poll::Ready(res),
}
ready!(self.poll_writable(cx))?;
}
Reactor::get().poll_write(&mut self.get_ref(), &self.source, buf, cx)
}

fn poll_write_vectored(
Expand Down
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