X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-net-tokio%2Fsrc%2Flib.rs;h=8c98333080f941b5102bf415e9cb4e54a17a8a76;hb=4894d52d30399c21b7994952a8de0d1d7848c58d;hp=dd0b861c197a54fcd45242bbd4250af919511c90;hpb=c59468a88996cbb663a2487b77066a48db87e3b2;p=rust-lightning diff --git a/lightning-net-tokio/src/lib.rs b/lightning-net-tokio/src/lib.rs index dd0b861c..8c983330 100644 --- a/lightning-net-tokio/src/lib.rs +++ b/lightning-net-tokio/src/lib.rs @@ -1,3 +1,12 @@ +// This file is Copyright its original authors, visible in version control +// history. +// +// This file is licensed under the Apache License, Version 2.0 or the MIT license +// , at your option. +// You may not use this file except in accordance with one or both of these +// licenses. + //! A socket handling library for those running in Tokio environments who wish to use //! rust-lightning with native TcpStreams. //! @@ -15,8 +24,8 @@ //! The call site should, thus, look something like this: //! ``` //! use tokio::sync::mpsc; -//! use tokio::net::TcpStream; -//! use secp256k1::key::PublicKey; +//! use std::net::TcpStream; +//! use bitcoin::secp256k1::key::PublicKey; //! use lightning::util::events::EventsProvider; //! use std::net::SocketAddr; //! use std::sync::Arc; @@ -24,12 +33,16 @@ //! // Define concrete types for our high-level objects: //! type TxBroadcaster = dyn lightning::chain::chaininterface::BroadcasterInterface; //! type FeeEstimator = dyn lightning::chain::chaininterface::FeeEstimator; -//! type ChannelMonitor = lightning::ln::channelmonitor::SimpleManyChannelMonitor, Arc>; -//! type ChannelManager = lightning::ln::channelmanager::SimpleArcChannelManager; -//! type PeerManager = lightning::ln::peer_handler::SimpleArcPeerManager; +//! type Logger = dyn lightning::util::logger::Logger; +//! type ChainAccess = dyn lightning::chain::Access; +//! type ChainFilter = dyn lightning::chain::Filter; +//! type DataPersister = dyn lightning::chain::channelmonitor::Persist; +//! type ChainMonitor = lightning::chain::chainmonitor::ChainMonitor, Arc, Arc, Arc, Arc>; +//! type ChannelManager = Arc>; +//! type PeerManager = Arc>; //! //! // Connect to node with pubkey their_node_id at addr: -//! async fn connect_to_node(peer_manager: PeerManager, channel_monitor: Arc, channel_manager: ChannelManager, their_node_id: PublicKey, addr: SocketAddr) { +//! async fn connect_to_node(peer_manager: PeerManager, chain_monitor: Arc, channel_manager: ChannelManager, their_node_id: PublicKey, addr: SocketAddr) { //! let (sender, mut receiver) = mpsc::channel(2); //! lightning_net_tokio::connect_outbound(peer_manager, sender, their_node_id, addr).await; //! loop { @@ -37,14 +50,14 @@ //! for _event in channel_manager.get_and_clear_pending_events().drain(..) { //! // Handle the event! //! } -//! for _event in channel_monitor.get_and_clear_pending_events().drain(..) { +//! for _event in chain_monitor.get_and_clear_pending_events().drain(..) { //! // Handle the event! //! } //! } //! } //! //! // Begin reading from a newly accepted socket and talk to the peer: -//! async fn accept_socket(peer_manager: PeerManager, channel_monitor: Arc, channel_manager: ChannelManager, socket: TcpStream) { +//! async fn accept_socket(peer_manager: PeerManager, chain_monitor: Arc, channel_manager: ChannelManager, socket: TcpStream) { //! let (sender, mut receiver) = mpsc::channel(2); //! lightning_net_tokio::setup_inbound(peer_manager, sender, socket); //! loop { @@ -52,14 +65,14 @@ //! for _event in channel_manager.get_and_clear_pending_events().drain(..) { //! // Handle the event! //! } -//! for _event in channel_monitor.get_and_clear_pending_events().drain(..) { +//! for _event in chain_monitor.get_and_clear_pending_events().drain(..) { //! // Handle the event! //! } //! } //! } //! ``` -use secp256k1::key::PublicKey; +use bitcoin::secp256k1::key::PublicKey; use tokio::net::TcpStream; use tokio::{io, time}; @@ -68,10 +81,12 @@ use tokio::io::{AsyncReadExt, AsyncWrite, AsyncWriteExt}; use lightning::ln::peer_handler; use lightning::ln::peer_handler::SocketDescriptor as LnSocketTrait; -use lightning::ln::msgs::ChannelMessageHandler; +use lightning::ln::msgs::{ChannelMessageHandler, RoutingMessageHandler}; +use lightning::util::logger::Logger; use std::{task, thread}; use std::net::SocketAddr; +use std::net::TcpStream as StdTcpStream; use std::sync::{Arc, Mutex, MutexGuard}; use std::sync::atomic::{AtomicU64, Ordering}; use std::time::Duration; @@ -87,7 +102,7 @@ struct Connection { event_notify: mpsc::Sender<()>, // Because our PeerManager is templated by user-provided types, and we can't (as far as I can // tell) have a const RawWakerVTable built out of templated functions, we need some indirection - // between being woken up with write-ready and calling PeerManager::write_buffer_spce_avail. + // between being woken up with write-ready and calling PeerManager::write_buffer_space_avail. // This provides that indirection, with a Sender which gets handed to the PeerManager Arc on // the schedule_read stack. // @@ -121,7 +136,10 @@ impl Connection { _ => panic!() } } - async fn schedule_read(peer_manager: Arc>>, us: Arc>, mut reader: io::ReadHalf, mut read_wake_receiver: mpsc::Receiver<()>, mut write_avail_receiver: mpsc::Receiver<()>) { + async fn schedule_read(peer_manager: Arc, Arc, Arc>>, us: Arc>, mut reader: io::ReadHalf, mut read_wake_receiver: mpsc::Receiver<()>, mut write_avail_receiver: mpsc::Receiver<()>) where + CMH: ChannelMessageHandler + 'static, + RMH: RoutingMessageHandler + 'static, + L: Logger + 'static + ?Sized { let peer_manager_ref = peer_manager.clone(); // 8KB is nice and big but also should never cause any issues with stack overflowing. let mut buf = [0; 8192]; @@ -139,7 +157,7 @@ impl Connection { // In this case, we do need to call peer_manager.socket_disconnected() to inform // Rust-Lightning that the socket is gone. PeerDisconnected - }; + } let disconnect_type = loop { macro_rules! shutdown_socket { ($err: expr, $need_disconnect: expr) => { { @@ -201,7 +219,7 @@ impl Connection { } } - fn new(event_notify: mpsc::Sender<()>, stream: TcpStream) -> (io::ReadHalf, mpsc::Receiver<()>, mpsc::Receiver<()>, Arc>) { + fn new(event_notify: mpsc::Sender<()>, stream: StdTcpStream) -> (io::ReadHalf, mpsc::Receiver<()>, mpsc::Receiver<()>, Arc>) { // We only ever need a channel of depth 1 here: if we returned a non-full write to the // PeerManager, we will eventually get notified that there is room in the socket to write // new bytes, which will generate an event. That event will be popped off the queue before @@ -212,7 +230,8 @@ impl Connection { // we shove a value into the channel which comes after we've reset the read_paused bool to // false. let (read_waker, read_receiver) = mpsc::channel(1); - let (reader, writer) = io::split(stream); + stream.set_nonblocking(true).unwrap(); + let (reader, writer) = io::split(TcpStream::from_std(stream).unwrap()); (reader, write_receiver, read_receiver, Arc::new(Mutex::new(Self { @@ -231,7 +250,10 @@ impl Connection { /// not need to poll the provided future in order to make progress. /// /// See the module-level documentation for how to handle the event_notify mpsc::Sender. -pub fn setup_inbound(peer_manager: Arc>>, event_notify: mpsc::Sender<()>, stream: TcpStream) -> impl std::future::Future { +pub fn setup_inbound(peer_manager: Arc, Arc, Arc>>, event_notify: mpsc::Sender<()>, stream: StdTcpStream) -> impl std::future::Future where + CMH: ChannelMessageHandler + 'static, + RMH: RoutingMessageHandler + 'static, + L: Logger + 'static + ?Sized { let (reader, write_receiver, read_receiver, us) = Connection::new(event_notify, stream); #[cfg(debug_assertions)] let last_us = Arc::clone(&us); @@ -270,7 +292,10 @@ pub fn setup_inbound(peer_manager: Arc(peer_manager: Arc>>, event_notify: mpsc::Sender<()>, their_node_id: PublicKey, stream: TcpStream) -> impl std::future::Future { +pub fn setup_outbound(peer_manager: Arc, Arc, Arc>>, event_notify: mpsc::Sender<()>, their_node_id: PublicKey, stream: StdTcpStream) -> impl std::future::Future where + CMH: ChannelMessageHandler + 'static, + RMH: RoutingMessageHandler + 'static, + L: Logger + 'static + ?Sized { let (reader, mut write_receiver, read_receiver, us) = Connection::new(event_notify, stream); #[cfg(debug_assertions)] let last_us = Arc::clone(&us); @@ -339,8 +364,11 @@ pub fn setup_outbound(peer_manager: Arc(peer_manager: Arc>>, event_notify: mpsc::Sender<()>, their_node_id: PublicKey, addr: SocketAddr) -> Option> { - if let Ok(Ok(stream)) = time::timeout(Duration::from_secs(10), TcpStream::connect(&addr)).await { +pub async fn connect_outbound(peer_manager: Arc, Arc, Arc>>, event_notify: mpsc::Sender<()>, their_node_id: PublicKey, addr: SocketAddr) -> Option> where + CMH: ChannelMessageHandler + 'static, + RMH: RoutingMessageHandler + 'static, + L: Logger + 'static + ?Sized { + if let Ok(Ok(stream)) = time::timeout(Duration::from_secs(10), async { TcpStream::connect(&addr).await.map(|s| s.into_std().unwrap()) }).await { Some(setup_outbound(peer_manager, event_notify, their_node_id, stream)) } else { None } } @@ -362,7 +390,7 @@ fn wake_socket_waker(orig_ptr: *const ()) { } fn wake_socket_waker_by_ref(orig_ptr: *const ()) { let sender_ptr = orig_ptr as *const mpsc::Sender<()>; - let mut sender = unsafe { (*sender_ptr).clone() }; + let sender = unsafe { (*sender_ptr).clone() }; let _ = sender.try_send(()); } fn drop_socket_waker(orig_ptr: *const ()) { @@ -481,11 +509,12 @@ mod tests { use lightning::ln::msgs::*; use lightning::ln::peer_handler::{MessageHandler, PeerManager}; use lightning::util::events::*; - use secp256k1::{Secp256k1, SecretKey, PublicKey}; + use bitcoin::secp256k1::{Secp256k1, SecretKey, PublicKey}; use tokio::sync::mpsc; use std::mem; + use std::sync::atomic::{AtomicBool, Ordering}; use std::sync::{Arc, Mutex}; use std::time::Duration; @@ -500,6 +529,7 @@ mod tests { expected_pubkey: PublicKey, pubkey_connected: mpsc::Sender<()>, pubkey_disconnected: mpsc::Sender<()>, + disconnected_flag: AtomicBool, msg_events: Mutex>, } impl RoutingMessageHandler for MsgHandler { @@ -509,7 +539,11 @@ mod tests { fn handle_htlc_fail_channel_update(&self, _update: &HTLCFailChannelUpdate) { } fn get_next_channel_announcements(&self, _starting_point: u64, _batch_amount: u8) -> Vec<(ChannelAnnouncement, Option, Option)> { Vec::new() } fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec { Vec::new() } - fn should_request_full_sync(&self, _node_id: &PublicKey) -> bool { false } + fn sync_routing_table(&self, _their_node_id: &PublicKey, _init_msg: &Init) { } + fn handle_reply_channel_range(&self, _their_node_id: &PublicKey, _msg: ReplyChannelRange) -> Result<(), LightningError> { Ok(()) } + fn handle_reply_short_channel_ids_end(&self, _their_node_id: &PublicKey, _msg: ReplyShortChannelIdsEnd) -> Result<(), LightningError> { Ok(()) } + fn handle_query_channel_range(&self, _their_node_id: &PublicKey, _msg: QueryChannelRange) -> Result<(), LightningError> { Ok(()) } + fn handle_query_short_channel_ids(&self, _their_node_id: &PublicKey, _msg: QueryShortChannelIds) -> Result<(), LightningError> { Ok(()) } } impl ChannelMessageHandler for MsgHandler { fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &OpenChannel) {} @@ -517,7 +551,7 @@ mod tests { fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &FundingCreated) {} fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &FundingSigned) {} fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &FundingLocked) {} - fn handle_shutdown(&self, _their_node_id: &PublicKey, _msg: &Shutdown) {} + fn handle_shutdown(&self, _their_node_id: &PublicKey, _their_features: &InitFeatures, _msg: &Shutdown) {} fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &ClosingSigned) {} fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &UpdateAddHTLC) {} fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &UpdateFulfillHTLC) {} @@ -529,6 +563,7 @@ mod tests { fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &AnnouncementSignatures) {} fn peer_disconnected(&self, their_node_id: &PublicKey, _no_connection_possible: bool) { if *their_node_id == self.expected_pubkey { + self.disconnected_flag.store(true, Ordering::SeqCst); self.pubkey_disconnected.clone().try_send(()).unwrap(); } } @@ -561,11 +596,12 @@ mod tests { expected_pubkey: b_pub, pubkey_connected: a_connected_sender, pubkey_disconnected: a_disconnected_sender, + disconnected_flag: AtomicBool::new(false), msg_events: Mutex::new(Vec::new()), }); let a_manager = Arc::new(PeerManager::new(MessageHandler { chan_handler: Arc::clone(&a_handler), - route_handler: Arc::clone(&a_handler) as Arc, + route_handler: Arc::clone(&a_handler), }, a_key.clone(), &[1; 32], Arc::new(TestLogger()))); let (b_connected_sender, mut b_connected) = mpsc::channel(1); @@ -574,11 +610,12 @@ mod tests { expected_pubkey: a_pub, pubkey_connected: b_connected_sender, pubkey_disconnected: b_disconnected_sender, + disconnected_flag: AtomicBool::new(false), msg_events: Mutex::new(Vec::new()), }); let b_manager = Arc::new(PeerManager::new(MessageHandler { chan_handler: Arc::clone(&b_handler), - route_handler: Arc::clone(&b_handler) as Arc, + route_handler: Arc::clone(&b_handler), }, b_key.clone(), &[2; 32], Arc::new(TestLogger()))); // We bind on localhost, hoping the environment is properly configured with a local @@ -594,8 +631,8 @@ mod tests { } else { panic!("Failed to bind to v4 localhost on common ports"); }; let (sender, _receiver) = mpsc::channel(2); - let fut_a = super::setup_outbound(Arc::clone(&a_manager), sender.clone(), b_pub, tokio::net::TcpStream::from_std(conn_a).unwrap()); - let fut_b = super::setup_inbound(b_manager, sender, tokio::net::TcpStream::from_std(conn_b).unwrap()); + let fut_a = super::setup_outbound(Arc::clone(&a_manager), sender.clone(), b_pub, conn_a); + let fut_b = super::setup_inbound(b_manager, sender, conn_b); tokio::time::timeout(Duration::from_secs(10), a_connected.recv()).await.unwrap(); tokio::time::timeout(Duration::from_secs(1), b_connected.recv()).await.unwrap(); @@ -603,18 +640,20 @@ mod tests { a_handler.msg_events.lock().unwrap().push(MessageSendEvent::HandleError { node_id: b_pub, action: ErrorAction::DisconnectPeer { msg: None } }); - assert!(a_disconnected.try_recv().is_err()); - assert!(b_disconnected.try_recv().is_err()); + assert!(!a_handler.disconnected_flag.load(Ordering::SeqCst)); + assert!(!b_handler.disconnected_flag.load(Ordering::SeqCst)); a_manager.process_events(); tokio::time::timeout(Duration::from_secs(10), a_disconnected.recv()).await.unwrap(); tokio::time::timeout(Duration::from_secs(1), b_disconnected.recv()).await.unwrap(); + assert!(a_handler.disconnected_flag.load(Ordering::SeqCst)); + assert!(b_handler.disconnected_flag.load(Ordering::SeqCst)); fut_a.await; fut_b.await; } - #[tokio::test(threaded_scheduler)] + #[tokio::test(flavor = "multi_thread")] async fn basic_threaded_connection_test() { do_basic_connection_test().await; }