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node: Update io-reactor 

Signed-off-by: Alexis Sellier <alexis@radicle.xyz>
This commit is contained in:
Dr Maxim Orlovsky 2023-01-05 22:36:10 +01:00 committed by Alexis Sellier
parent 947c89a398
commit cf0d55fb11
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3 changed files with 61 additions and 59 deletions
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4
Cargo.lock generated
View File

@ -1370,7 +1370,7 @@ dependencies = [
[[package]] [[package]]
name = "io-reactor" name = "io-reactor"
version = "0.1.0" version = "0.1.0"
source = "git+https://github.com/cyphernet-wg/rust-netservices#2a09c1714bea9baf8a96b9bd09d2dac4181a5019" source = "git+https://github.com/cyphernet-wg/rust-netservices#32b3d308566228ebeb04b6aea4d6f17a9c4dfe6c"
dependencies = [ dependencies = [
"amplify", "amplify",
"crossbeam-channel", "crossbeam-channel",
@ -1618,7 +1618,7 @@ dependencies = [
[[package]] [[package]]
name = "netservices" name = "netservices"
version = "0.1.0" version = "0.1.0"
source = "git+https://github.com/cyphernet-wg/rust-netservices#2a09c1714bea9baf8a96b9bd09d2dac4181a5019" source = "git+https://github.com/cyphernet-wg/rust-netservices#32b3d308566228ebeb04b6aea4d6f17a9c4dfe6c"
dependencies = [ dependencies = [
"amplify", "amplify",
"cyphernet", "cyphernet",

111
radicle-node/src/wire/transport.rs
View File

@ -24,11 +24,12 @@ use radicle::storage::WriteStorage;
use crate::crypto::Signer; use crate::crypto::Signer;
use crate::service::reactor::{Fetch, Io}; use crate::service::reactor::{Fetch, Io};
use crate::service::{routing, session, Message, Service}; use crate::service::{routing, session, Message, Service};
use crate::wire::{Decode, Encode};
use crate::worker::{WorkerReq, WorkerResp}; use crate::worker::{WorkerReq, WorkerResp};
use crate::{address, service}; use crate::{address, service};
/// Reactor action. /// Reactor action.
type Action<G> = reactor::Action<NetAccept<NoiseXk<G>>, NetTransport<NoiseXk<G>, Message>>; type Action<G> = reactor::Action<NetAccept<NoiseXk<G>>, NetTransport<NoiseXk<G>>>;
/// Peer connection state machine. /// Peer connection state machine.
#[derive(Debug)] #[derive(Debug)]
@ -113,12 +114,12 @@ impl<G: Negotiator> Peer<G> {
} }
/// Switch back from upgraded to connected state. /// Switch back from upgraded to connected state.
fn downgrade(&mut self) -> Link { fn downgrade(&mut self) {
if let Self::Upgraded { id, link, .. } = self { if let Self::Upgraded { id, link, .. } = self {
let link = *link; *self = Self::Connected {
*self = Self::Connected { id: *id, link }; id: *id,
link: *link,
link };
} else { } else {
panic!("Peer::downgrade: can't downgrade if not in upgraded state"); panic!("Peer::downgrade: can't downgrade if not in upgraded state");
} }
@ -139,6 +140,8 @@ pub struct Transport<R, S, W, G: Negotiator> {
peers: HashMap<RawFd, Peer<G>>, peers: HashMap<RawFd, Peer<G>>,
/// SOCKS5 proxy address. /// SOCKS5 proxy address.
proxy: net::SocketAddr, proxy: net::SocketAddr,
/// Buffer for incoming peer data.
read_queue: VecDeque<u8>,
} }
impl<R, S, W, G> Transport<R, S, W, G> impl<R, S, W, G> Transport<R, S, W, G>
@ -164,6 +167,7 @@ where
proxy, proxy,
actions: VecDeque::new(), actions: VecDeque::new(),
peers: HashMap::default(), peers: HashMap::default(),
read_queue: VecDeque::new(),
} }
} }
@ -214,28 +218,21 @@ where
self.actions.push_back(Action::UnregisterTransport(fd)); self.actions.push_back(Action::UnregisterTransport(fd));
} }
fn upgraded(&mut self, transport: NetTransport<NoiseXk<G>, Message>) { fn upgraded(&mut self, session: NetTransport<NoiseXk<G>>) {
let fd = transport.as_raw_fd(); let fd = session.as_raw_fd();
let Some(peer) = self.peers.get_mut(&fd) else { let Some(peer) = self.peers.get_mut(&fd) else {
log::error!(target: "transport", "Peer with fd {fd} was not found"); log::error!(target: "transport", "Peer with fd {fd} was not found");
return; return;
}; };
let (send, recv) = chan::bounded::<WorkerResp<G>>(1); let (send, recv) = chan::bounded::<WorkerResp<G>>(1);
let fetch = peer.upgraded(recv); let fetch = peer.upgraded(recv);
// Downgrade the transport to a simple session and the buffer of incoming data that is
// unprocessed. This buffer is provided as initial input to the worker.
let Ok((session, drain)) = transport.downgrade() else {
// This can happen in case the service attempts to send data to a peer after it has
// initiated an upgrade protocol.
panic!("Transport::upgraded: outgoing messages buffer is not empty");
};
if self if self
.worker .worker
.send(WorkerReq { .send(WorkerReq {
fetch, fetch,
session, session,
drain, drain: self.read_queue.drain(..).collect(),
channel: send, channel: send,
}) })
.is_err() .is_err()
@ -255,11 +252,9 @@ where
log::error!(target: "transport", "Peer with fd {fd} is already disconnected"); log::error!(target: "transport", "Peer with fd {fd} is already disconnected");
return; return;
}; };
let link = peer.downgrade(); peer.downgrade();
let transport = NetTransport::upgrade(session, link == Link::Inbound)
.expect("unable to set socket into non-blocking mode");
self.actions.push_back(Action::RegisterTransport(transport)); self.actions.push_back(Action::RegisterTransport(session));
self.service.fetch_complete(resp.result); self.service.fetch_complete(resp.result);
} }
} }
@ -272,7 +267,7 @@ where
G: Signer + Negotiator + Send, G: Signer + Negotiator + Send,
{ {
type Listener = NetAccept<NoiseXk<G>>; type Listener = NetAccept<NoiseXk<G>>;
type Transport = NetTransport<NoiseXk<G>, Message>; type Transport = NetTransport<NoiseXk<G>>;
type Command = service::Command; type Command = service::Command;
fn tick(&mut self, time: Instant) { fn tick(&mut self, time: Instant) {
@ -313,7 +308,7 @@ where
self.peers self.peers
.insert(session.as_raw_fd(), Peer::connecting(Link::Inbound)); .insert(session.as_raw_fd(), Peer::connecting(Link::Inbound));
let transport = match NetTransport::<NoiseXk<G>, Message>::upgrade(session, true) { let transport = match NetTransport::<NoiseXk<G>>::accept(session) {
Ok(transport) => transport, Ok(transport) => transport,
Err(err) => { Err(err) => {
log::error!(target: "transport", "Failed to upgrade accepted peer socket: {err}"); log::error!(target: "transport", "Failed to upgrade accepted peer socket: {err}");
@ -324,20 +319,15 @@ where
self.actions self.actions
.push_back(reactor::Action::RegisterTransport(transport)) .push_back(reactor::Action::RegisterTransport(transport))
} }
ListenerEvent::Error(err) => { ListenerEvent::Failure(err) => {
log::error!(target: "transport", "Error listening for inbound connections: {err}"); log::error!(target: "transport", "Error listening for inbound connections: {err}");
} }
} }
} }
fn handle_transport_event( fn handle_transport_event(&mut self, fd: RawFd, event: SessionEvent<NoiseXk<G>>, _: Instant) {
&mut self,
fd: RawFd,
event: SessionEvent<NoiseXk<G>, Message>,
_: Instant,
) {
match event { match event {
SessionEvent::SessionEstablished(node_id) => { SessionEvent::Established(node_id) => {
log::debug!(target: "transport", "Session established with {node_id}"); log::debug!(target: "transport", "Session established with {node_id}");
let conflicting = self let conflicting = self
@ -374,34 +364,42 @@ where
peer.connected(node_id); peer.connected(node_id);
self.service.connected(node_id, link); self.service.connected(node_id, link);
} }
SessionEvent::Message(msg) => { SessionEvent::Data(data) => {
if let Some(Peer::Connected { link, id }) = self.peers.get(&fd) { if let Some(Peer::Connected { link, id }) = self.peers.get(&fd) {
log::debug!( self.read_queue.extend(data);
target: "transport", "Received message {:?} from {} ({:?})", msg, id, link
); loop {
self.service.received_message(*id, msg); match Message::decode(&mut self.read_queue) {
Ok(msg) => {
log::debug!(
target: "transport", "Received message {:?} from {} ({:?})", msg, id, link
);
self.service.received_message(*id, msg)
}
Err(err) if err.is_eof() => {
// Buffer is empty, or message isn't complete.
break;
}
Err(err) => {
// TODO(cloudhead): Include error in reason.
log::error!(target: "transport", "Invalid message from {}: {err}", id);
self.disconnect(
fd,
DisconnectReason::Protocol(service::DisconnectReason::Error(
session::Error::Misbehavior,
)),
);
break;
}
}
}
} else { } else {
log::warn!(target: "transport", "Dropping message from unconnected peer with fd {fd}"); log::warn!(target: "transport", "Dropping message from unconnected peer with fd {fd}");
} }
} }
SessionEvent::FrameFailure(_err) => { SessionEvent::Terminated(err) => {
// TODO(cloudhead): Include error in reason.
self.disconnect(
fd,
DisconnectReason::Protocol(service::DisconnectReason::Error(
session::Error::Misbehavior,
)),
);
}
SessionEvent::ConnectionFailure(err) => {
self.disconnect(fd, DisconnectReason::ConnectionError(Arc::new(err))); self.disconnect(fd, DisconnectReason::ConnectionError(Arc::new(err)));
} }
SessionEvent::Disconnected => {
self.disconnect(
fd,
DisconnectReason::Protocol(service::DisconnectReason::Peer),
);
}
} }
} }
@ -462,7 +460,7 @@ where
W: WriteStorage + 'static, W: WriteStorage + 'static,
G: Signer + Negotiator, G: Signer + Negotiator,
{ {
type Item = reactor::Action<NetAccept<NoiseXk<G>>, NetTransport<NoiseXk<G>, Message>>; type Item = reactor::Action<NetAccept<NoiseXk<G>>, NetTransport<NoiseXk<G>>>;
fn next(&mut self) -> Option<Self::Item> { fn next(&mut self) -> Option<Self::Item> {
if let Some(event) = self.actions.pop_front() { if let Some(event) = self.actions.pop_front() {
@ -476,8 +474,11 @@ where
target: "transport", "Sending {} message(s) to {}", msgs.len(), node_id target: "transport", "Sending {} message(s) to {}", msgs.len(), node_id
); );
let fd = self.by_id(&node_id); let fd = self.by_id(&node_id);
let mut data = Vec::new();
return Some(reactor::Action::Send(fd, msgs)); for msg in msgs {
msg.encode(&mut data).expect("in-memory writes never fail");
}
return Some(reactor::Action::Send(fd, data));
} }
Io::Event(_e) => { Io::Event(_e) => {
log::warn!( log::warn!(
@ -499,7 +500,7 @@ where
break; break;
} }
match NetTransport::<NoiseXk<G>, Message>::connect( match NetTransport::<NoiseXk<G>>::connect(
PeerAddr::new(node_id, socket_addr), PeerAddr::new(node_id, socket_addr),
&self.keypair, &self.keypair,
) { ) {

5
radicle-node/src/worker.rs
View File

@ -1,5 +1,6 @@
use crossbeam_channel as chan; use crossbeam_channel as chan;
use netservices::noise::NoiseXk; use netservices::noise::NoiseXk;
use netservices::wire::NetTransport;
use std::thread; use std::thread;
use std::thread::JoinHandle; use std::thread::JoinHandle;
@ -13,7 +14,7 @@ use crate::service::FetchResult;
/// Worker request. /// Worker request.
pub struct WorkerReq<G: Negotiator> { pub struct WorkerReq<G: Negotiator> {
pub fetch: Fetch, pub fetch: Fetch,
pub session: NoiseXk<G>, pub session: NetTransport<NoiseXk<G>>,
pub drain: Vec<u8>, pub drain: Vec<u8>,
pub channel: chan::Sender<WorkerResp<G>>, pub channel: chan::Sender<WorkerResp<G>>,
} }
@ -21,7 +22,7 @@ pub struct WorkerReq<G: Negotiator> {
/// Worker response. /// Worker response.
pub struct WorkerResp<G: Negotiator> { pub struct WorkerResp<G: Negotiator> {
pub result: FetchResult, pub result: FetchResult,
pub session: NoiseXk<G>, pub session: NetTransport<NoiseXk<G>>,
} }
pub struct Worker<G: Negotiator> { pub struct Worker<G: Negotiator> {