Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

transport: Abort canceled dial attempts for TCP, WebSocket and Quic #255

Open
wants to merge 4 commits into
base: master
Choose a base branch
from
Open

transport: Abort canceled dial attempts for TCP, WebSocket and Quic #255

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
3949b97
tcp: Make socket futures cancelable
lexnv Sep 25, 2024
85142b5
tcp: Abort futures for canceling dialing operations
lexnv Sep 25, 2024
14dc4cc
websocket: Backport abortable socket dial futures from TCP
lexnv Sep 25, 2024
2260c95
quic: Backport abortable socket dial futures from TCP
lexnv Sep 26, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
88 changes: 62 additions & 26 deletions src/transport/quic/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,11 @@ use crate::{
PeerId,
};

use futures::{future::BoxFuture, stream::FuturesUnordered, Stream, StreamExt};
use futures::{
future::BoxFuture,
stream::{AbortHandle, FuturesUnordered},
Stream, StreamExt, TryFutureExt,
};
use multiaddr::{Multiaddr, Protocol};
use quinn::{ClientConfig, Connecting, Connection, Endpoint, IdleTimeout};

Expand Down Expand Up @@ -66,6 +70,25 @@ struct NegotiatedConnection {
connection: Connection,
}

#[derive(Debug)]
enum RawConnectionResult {
/// The first successful connection.
Connected {
connection_id: ConnectionId,
address: Multiaddr,
stream: NegotiatedConnection,
},

/// All connection attempts failed.
Failed {
connection_id: ConnectionId,
errors: Vec<(Multiaddr, DialError)>,
},

/// Future was canceled.
Canceled { connection_id: ConnectionId },
}

/// QUIC transport object.
pub(crate) struct QuicTransport {
/// Transport handle.
Expand All @@ -92,21 +115,15 @@ pub(crate) struct QuicTransport {
pending_open: HashMap<ConnectionId, (NegotiatedConnection, Litep2pEndpoint)>,

/// Pending raw, unnegotiated connections.
pending_raw_connections: FuturesUnordered<
BoxFuture<
'static,
Result<
(ConnectionId, Multiaddr, NegotiatedConnection),
(ConnectionId, Vec<(Multiaddr, DialError)>),
>,
>,
>,
pending_raw_connections: FuturesUnordered<BoxFuture<'static, RawConnectionResult>>,

/// Opened raw connection, waiting for approval/rejection from `TransportManager`.
opened_raw: HashMap<ConnectionId, (NegotiatedConnection, Multiaddr)>,

/// Canceled raw connections.
canceled: HashSet<ConnectionId>,

cancel_futures: HashMap<ConnectionId, AbortHandle>,
}

impl QuicTransport {
Expand Down Expand Up @@ -225,6 +242,7 @@ impl TransportBuilder for QuicTransport {
pending_inbound_connections: HashMap::new(),
pending_raw_connections: FuturesUnordered::new(),
pending_connections: FuturesUnordered::new(),
cancel_futures: HashMap::new(),
},
listen_addresses,
))
Expand Down Expand Up @@ -407,12 +425,18 @@ impl Transport for QuicTransport {
})
.collect();

self.pending_raw_connections.push(Box::pin(async move {
// Future that will resolve to the first successful connection.
let future = async move {
let mut errors = Vec::with_capacity(num_addresses);

while let Some(result) = futures.next().await {
match result {
Ok((address, connection)) => return Ok((connection_id, address, connection)),
Ok((address, stream)) =>
return RawConnectionResult::Connected {
connection_id,
address,
stream,
},
Err(error) => {
tracing::debug!(
target: LOG_TARGET,
Expand All @@ -425,8 +449,16 @@ impl Transport for QuicTransport {
}
}

Err((connection_id, errors))
}));
RawConnectionResult::Failed {
connection_id,
errors,
}
};

let (fut, handle) = futures::future::abortable(future);
let fut = fut.unwrap_or_else(move |_| RawConnectionResult::Canceled { connection_id });
self.pending_raw_connections.push(Box::pin(fut));
self.cancel_futures.insert(connection_id, handle);

Ok(())
}
Expand All @@ -446,6 +478,7 @@ impl Transport for QuicTransport {
/// Cancel opening connections.
fn cancel(&mut self, connection_id: ConnectionId) {
self.canceled.insert(connection_id);
self.cancel_futures.remove(&connection_id).map(|handle| handle.abort());
}
}

Expand All @@ -470,32 +503,35 @@ impl Stream for QuicTransport {
}

while let Poll::Ready(Some(result)) = self.pending_raw_connections.poll_next_unpin(cx) {
match result {
Ok((connection_id, address, stream)) => {
tracing::trace!(
target: LOG_TARGET,
?connection_id,
?address,
canceled = self.canceled.contains(&connection_id),
"connection opened",
);
tracing::trace!(target: LOG_TARGET, ?result, "raw connection result");

match result {
RawConnectionResult::Connected {
connection_id,
address,
stream,
} =>
if !self.canceled.remove(&connection_id) {
self.opened_raw.insert(connection_id, (stream, address.clone()));

return Poll::Ready(Some(TransportEvent::ConnectionOpened {
connection_id,
address,
}));
}
}
Err((connection_id, errors)) =>
},
RawConnectionResult::Failed {
connection_id,
errors,
} =>
if !self.canceled.remove(&connection_id) {
return Poll::Ready(Some(TransportEvent::OpenFailure {
connection_id,
errors,
}));
},
RawConnectionResult::Canceled { connection_id } => {
self.canceled.remove(&connection_id);
}
}
}

Expand Down
85 changes: 59 additions & 26 deletions src/transport/tcp/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,8 @@ use crate::{

use futures::{
future::BoxFuture,
stream::{FuturesUnordered, Stream, StreamExt},
stream::{AbortHandle, FuturesUnordered, Stream, StreamExt},
TryFutureExt,
};
use multiaddr::Multiaddr;
use socket2::{Domain, Socket, Type};
Expand Down Expand Up @@ -70,6 +71,25 @@ struct PendingInboundConnection {
address: SocketAddr,
}

#[derive(Debug)]
enum RawConnectionResult {
/// The first successful connection.
Connected {
connection_id: ConnectionId,
address: Multiaddr,
stream: TcpStream,
},

/// All connection attempts failed.
Failed {
connection_id: ConnectionId,
errors: Vec<(Multiaddr, DialError)>,
},

/// Future was canceled.
Canceled { connection_id: ConnectionId },
}

/// TCP transport.
pub(crate) struct TcpTransport {
/// Transport context.
Expand All @@ -96,22 +116,16 @@ pub(crate) struct TcpTransport {
>,

/// Pending raw, unnegotiated connections.
pending_raw_connections: FuturesUnordered<
BoxFuture<
'static,
Result<
(ConnectionId, Multiaddr, TcpStream),
(ConnectionId, Vec<(Multiaddr, DialError)>),
>,
>,
>,
pending_raw_connections: FuturesUnordered<BoxFuture<'static, RawConnectionResult>>,

/// Opened raw connection, waiting for approval/rejection from `TransportManager`.
opened_raw: HashMap<ConnectionId, (TcpStream, Multiaddr)>,

/// Canceled raw connections.
canceled: HashSet<ConnectionId>,

cancel_futures: HashMap<ConnectionId, AbortHandle>,

/// Connections which have been opened and negotiated but are being validated by the
/// `TransportManager`.
pending_open: HashMap<ConnectionId, NegotiatedConnection>,
Expand Down Expand Up @@ -284,6 +298,7 @@ impl TransportBuilder for TcpTransport {
pending_inbound_connections: HashMap::new(),
pending_connections: FuturesUnordered::new(),
pending_raw_connections: FuturesUnordered::new(),
cancel_futures: HashMap::new(),
},
listen_addresses,
))
Expand Down Expand Up @@ -412,11 +427,17 @@ impl Transport for TcpTransport {
})
.collect();

self.pending_raw_connections.push(Box::pin(async move {
// Future that will resolve to the first successful connection.
let future = async move {
let mut errors = Vec::with_capacity(num_addresses);
while let Some(result) = futures.next().await {
match result {
Ok((address, stream)) => return Ok((connection_id, address, stream)),
Ok((address, stream)) =>
return RawConnectionResult::Connected {
connection_id,
address,
stream,
},
Err(error) => {
tracing::debug!(
target: LOG_TARGET,
Expand All @@ -429,8 +450,16 @@ impl Transport for TcpTransport {
}
}

Err((connection_id, errors))
}));
RawConnectionResult::Failed {
connection_id,
errors,
}
};

let (fut, handle) = futures::future::abortable(future);
let fut = fut.unwrap_or_else(move |_| RawConnectionResult::Canceled { connection_id });
self.pending_raw_connections.push(Box::pin(fut));
self.cancel_futures.insert(connection_id, handle);

Ok(())
}
Expand Down Expand Up @@ -488,6 +517,7 @@ impl Transport for TcpTransport {

fn cancel(&mut self, connection_id: ConnectionId) {
self.canceled.insert(connection_id);
self.cancel_futures.remove(&connection_id).map(|handle| handle.abort());
}
}

Expand Down Expand Up @@ -523,32 +553,35 @@ impl Stream for TcpTransport {
}

while let Poll::Ready(Some(result)) = self.pending_raw_connections.poll_next_unpin(cx) {
match result {
Ok((connection_id, address, stream)) => {
tracing::trace!(
target: LOG_TARGET,
?connection_id,
?address,
canceled = self.canceled.contains(&connection_id),
"connection opened",
);
tracing::trace!(target: LOG_TARGET, ?result, "raw connection result");

match result {
RawConnectionResult::Connected {
connection_id,
address,
stream,
} =>
if !self.canceled.remove(&connection_id) {
self.opened_raw.insert(connection_id, (stream, address.clone()));

return Poll::Ready(Some(TransportEvent::ConnectionOpened {
connection_id,
address,
}));
}
}
Err((connection_id, errors)) =>
},
RawConnectionResult::Failed {
connection_id,
errors,
} =>
if !self.canceled.remove(&connection_id) {
return Poll::Ready(Some(TransportEvent::OpenFailure {
connection_id,
errors,
}));
},
RawConnectionResult::Canceled { connection_id } => {
self.canceled.remove(&connection_id);
}
}
}

Expand Down
Loading