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Remove AwaitCanceled (#1375)

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This commit is contained in:
Pierre Krieger
2020-07-09 13:25:39 +02:00
committed by GitHub
parent 151d73af5b
commit 8696788747
2 changed files with 3 additions and 25 deletions
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polkadot/network/Cargo.toml
+1 -1
View File
@@ -19,7 +19,7 @@ sc-network = { git = "https://github.com/paritytech/substrate", branch = "master
sc-network-gossip = { git = "https://github.com/paritytech/substrate", branch = "master" } sc-network-gossip = { git = "https://github.com/paritytech/substrate", branch = "master" }
sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" } sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" } sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
futures = "0.3.4" futures = "0.3.5"
log = "0.4.8" log = "0.4.8"
exit-future = "0.2.0" exit-future = "0.2.0"
futures-timer = "2.0" futures-timer = "2.0"
polkadot/network/src/protocol/mod.rs
+2 -24
View File
@@ -404,28 +404,6 @@ struct ConsensusNetworkingInstance {
_drop_signal: exit_future::Signal, _drop_signal: exit_future::Signal,
} }
/// A utility future that resolves when the receiving end of a channel has hung up.
///
/// This is an `.await`-friendly interface around `poll_canceled`.
// TODO: remove in favor of https://github.com/rust-lang/futures-rs/pull/2092/
// once published.
#[must_use = "futures do nothing unless you `.await` or poll them"]
#[derive(Debug)]
pub struct AwaitCanceled<'a, T> {
inner: &'a mut oneshot::Sender<T>,
}
impl<T> Future for AwaitCanceled<'_, T> {
type Output = ();
fn poll(
mut self: Pin<&mut Self>,
cx: &mut futures::task::Context<'_>,
) -> futures::task::Poll<()> {
self.inner.poll_canceled(cx)
}
}
/// Protocol configuration. /// Protocol configuration.
#[derive(Default)] #[derive(Default)]
pub struct Config { pub struct Config {
@@ -947,7 +925,7 @@ impl<Api, Sp, Gossip> Worker<Api, Sp, Gossip> where
self.executor.spawn( self.executor.spawn(
"polkadot-fetch-pov-block", "polkadot-fetch-pov-block",
async move { async move {
let res = future::select(get_msg, AwaitCanceled { inner: &mut sender }).await; let res = future::select(get_msg, sender.cancellation()).await;
if let Either::Left((pov_block, _)) = res { if let Either::Left((pov_block, _)) = res {
let _ = sender.send(pov_block); let _ = sender.send(pov_block);
} }
@@ -981,7 +959,7 @@ impl<Api, Sp, Gossip> Worker<Api, Sp, Gossip> where
self.executor.spawn( self.executor.spawn(
"polkadot-fetch-erasure-chunk", "polkadot-fetch-erasure-chunk",
async move { async move {
let res = future::select(get_msg, AwaitCanceled { inner: &mut sender }).await; let res = future::select(get_msg, sender.cancellation()).await;
if let Either::Left((chunk, _)) = res { if let Either::Left((chunk, _)) = res {
let _ = sender.send(chunk); let _ = sender.send(chunk);
} }