use crate::ln::wire;
use crate::ln::wire::Encode;
use crate::onion_message::{CustomOnionMessageContents, CustomOnionMessageHandler, SimpleArcOnionMessenger, SimpleRefOnionMessenger};
-use crate::routing::gossip::{NetworkGraph, P2PGossipSync};
+use crate::routing::gossip::{NetworkGraph, P2PGossipSync, NodeId};
use crate::util::atomic_counter::AtomicCounter;
use crate::util::events::{MessageSendEvent, MessageSendEventsProvider, OnionMessageProvider};
use crate::util::logger::Logger;
use bitcoin::hashes::sha256::HashEngine as Sha256Engine;
use bitcoin::hashes::{HashEngine, Hash};
-/// Handler for BOLT1-compliant messages.
+/// A handler provided to [`PeerManager`] for reading and handling custom messages.
+///
+/// [BOLT 1] specifies a custom message type range for use with experimental or application-specific
+/// messages. `CustomMessageHandler` allows for user-defined handling of such types. See the
+/// [`lightning_custom_message`] crate for tools useful in composing more than one custom handler.
+///
+/// [BOLT 1]: https://github.com/lightning/bolts/blob/master/01-messaging.md
+/// [`lightning_custom_message`]: https://docs.rs/lightning_custom_message/latest/lightning_custom_message
pub trait CustomMessageHandler: wire::CustomMessageReader {
- /// Called with the message type that was received and the buffer to be read.
- /// Can return a `MessageHandlingError` if the message could not be handled.
+ /// Handles the given message sent from `sender_node_id`, possibly producing messages for
+ /// [`CustomMessageHandler::get_and_clear_pending_msg`] to return and thus for [`PeerManager`]
+ /// to send.
fn handle_custom_message(&self, msg: Self::CustomMessage, sender_node_id: &PublicKey) -> Result<(), LightningError>;
- /// Gets the list of pending messages which were generated by the custom message
- /// handler, clearing the list in the process. The first tuple element must
- /// correspond to the intended recipients node ids. If no connection to one of the
- /// specified node does not exist, the message is simply not sent to it.
+ /// Returns the list of pending messages that were generated by the handler, clearing the list
+ /// in the process. Each message is paired with the node id of the intended recipient. If no
+ /// connection to the node exists, then the message is simply not sent.
fn get_and_clear_pending_msg(&self) -> Vec<(PublicKey, Self::CustomMessage)>;
}
fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, LightningError> { Ok(false) }
fn get_next_channel_announcement(&self, _starting_point: u64) ->
Option<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> { None }
- fn get_next_node_announcement(&self, _starting_point: Option<&PublicKey>) -> Option<msgs::NodeAnnouncement> { None }
+ fn get_next_node_announcement(&self, _starting_point: Option<&NodeId>) -> Option<msgs::NodeAnnouncement> { None }
fn peer_connected(&self, _their_node_id: &PublicKey, _init: &msgs::Init) -> Result<(), ()> { Ok(()) }
fn handle_reply_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyChannelRange) -> Result<(), LightningError> { Ok(()) }
fn handle_reply_short_channel_ids_end(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyShortChannelIdsEnd) -> Result<(), LightningError> { Ok(()) }
fn provided_init_features(&self, _their_node_id: &PublicKey) -> InitFeatures {
InitFeatures::empty()
}
+ fn processing_queue_high(&self) -> bool { false }
}
impl OnionMessageProvider for IgnoringMessageHandler {
fn next_onion_message_for_peer(&self, _peer_node_id: PublicKey) -> Option<msgs::OnionMessage> { None }
enum InitSyncTracker{
NoSyncRequested,
ChannelsSyncing(u64),
- NodesSyncing(PublicKey),
+ NodesSyncing(NodeId),
}
/// The ratio between buffer sizes at which we stop sending initial sync messages vs when we stop
struct Peer {
channel_encryptor: PeerChannelEncryptor,
- their_node_id: Option<PublicKey>,
+ /// We cache a `NodeId` here to avoid serializing peers' keys every time we forward gossip
+ /// messages in `PeerManager`. Use `Peer::set_their_node_id` to modify this field.
+ their_node_id: Option<(PublicKey, NodeId)>,
their_features: Option<InitFeatures>,
their_net_address: Option<NetAddress>,
awaiting_pong_timer_tick_intervals: i8,
received_message_since_timer_tick: bool,
sent_gossip_timestamp_filter: bool,
+
+ /// Indicates we've received a `channel_announcement` since the last time we had
+ /// [`PeerManager::gossip_processing_backlogged`] set (or, really, that we've received a
+ /// `channel_announcement` at all - we set this unconditionally but unset it every time we
+ /// check if we're gossip-processing-backlogged).
+ received_channel_announce_since_backlogged: bool,
}
impl Peer {
}
/// Similar to the above, but for node announcements indexed by node_id.
- fn should_forward_node_announcement(&self, node_id: PublicKey) -> bool {
+ fn should_forward_node_announcement(&self, node_id: NodeId) -> bool {
if self.their_features.as_ref().unwrap().supports_gossip_queries() &&
!self.sent_gossip_timestamp_filter {
return false;
match self.sync_status {
InitSyncTracker::NoSyncRequested => true,
InitSyncTracker::ChannelsSyncing(_) => false,
- InitSyncTracker::NodesSyncing(pk) => pk < node_id,
+ InitSyncTracker::NodesSyncing(sync_node_id) => sync_node_id.as_slice() < node_id.as_slice(),
}
}
/// Returns whether we should be reading bytes from this peer, based on whether its outbound
/// buffer still has space and we don't need to pause reads to get some writes out.
- fn should_read(&self) -> bool {
- self.pending_outbound_buffer.len() < OUTBOUND_BUFFER_LIMIT_READ_PAUSE
+ fn should_read(&mut self, gossip_processing_backlogged: bool) -> bool {
+ if !gossip_processing_backlogged {
+ self.received_channel_announce_since_backlogged = false;
+ }
+ self.pending_outbound_buffer.len() < OUTBOUND_BUFFER_LIMIT_READ_PAUSE &&
+ (!gossip_processing_backlogged || !self.received_channel_announce_since_backlogged)
}
/// Determines if we should push additional gossip background sync (aka "backfill") onto a peer's
total_outbound_buffered > OUTBOUND_BUFFER_LIMIT_DROP_GOSSIP ||
self.msgs_sent_since_pong > BUFFER_DRAIN_MSGS_PER_TICK * FORWARD_INIT_SYNC_BUFFER_LIMIT_RATIO
}
+
+ fn set_their_node_id(&mut self, node_id: PublicKey) {
+ self.their_node_id = Some((node_id, NodeId::from_pubkey(&node_id)));
+ }
}
/// SimpleArcPeerManager is useful when you need a PeerManager with a static lifetime, e.g.
peer_counter: AtomicCounter,
+ gossip_processing_backlogged: AtomicBool,
+ gossip_processing_backlog_lifted: AtomicBool,
+
node_signer: NS,
logger: L,
/// This works around `format!()` taking a reference to each argument, preventing
/// `if let Some(node_id) = peer.their_node_id { format!(.., node_id) } else { .. }` from compiling
/// due to lifetime errors.
-struct OptionalFromDebugger<'a>(&'a Option<PublicKey>);
+struct OptionalFromDebugger<'a>(&'a Option<(PublicKey, NodeId)>);
impl core::fmt::Display for OptionalFromDebugger<'_> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> Result<(), core::fmt::Error> {
- if let Some(node_id) = self.0 { write!(f, " from {}", log_pubkey!(node_id)) } else { Ok(()) }
+ if let Some((node_id, _)) = self.0 { write!(f, " from {}", log_pubkey!(node_id)) } else { Ok(()) }
}
}
blocked_event_processors: AtomicBool::new(false),
ephemeral_key_midstate,
peer_counter: AtomicCounter::new(),
+ gossip_processing_backlogged: AtomicBool::new(false),
+ gossip_processing_backlog_lifted: AtomicBool::new(false),
last_node_announcement_serial: AtomicU32::new(current_time),
logger,
custom_message_handler,
}
}
- /// Get the list of node ids for peers which have completed the initial handshake.
+ /// Get a list of tuples mapping from node id to network addresses for peers which have
+ /// completed the initial handshake.
+ ///
+ /// For outbound connections, the [`PublicKey`] will be the same as the `their_node_id` parameter
+ /// passed in to [`Self::new_outbound_connection`], however entries will only appear once the initial
+ /// handshake has completed and we are sure the remote peer has the private key for the given
+ /// [`PublicKey`].
///
- /// For outbound connections, this will be the same as the their_node_id parameter passed in to
- /// new_outbound_connection, however entries will only appear once the initial handshake has
- /// completed and we are sure the remote peer has the private key for the given node_id.
- pub fn get_peer_node_ids(&self) -> Vec<PublicKey> {
+ /// The returned `Option`s will only be `Some` if an address had been previously given via
+ /// [`Self::new_outbound_connection`] or [`Self::new_inbound_connection`].
+ pub fn get_peer_node_ids(&self) -> Vec<(PublicKey, Option<NetAddress>)> {
let peers = self.peers.read().unwrap();
peers.values().filter_map(|peer_mutex| {
let p = peer_mutex.lock().unwrap();
- if !p.channel_encryptor.is_ready_for_encryption() || p.their_features.is_none() {
+ if !p.channel_encryptor.is_ready_for_encryption() || p.their_features.is_none() ||
+ p.their_node_id.is_none() {
return None;
}
- p.their_node_id
+ Some((p.their_node_id.unwrap().0, p.their_net_address.clone()))
}).collect()
}
SecretKey::from_slice(&Sha256::from_engine(ephemeral_hash).into_inner()).expect("You broke SHA-256!")
}
- /// Indicates a new outbound connection has been established to a node with the given node_id
+ /// Indicates a new outbound connection has been established to a node with the given `node_id`
/// and an optional remote network address.
///
/// The remote network address adds the option to report a remote IP address back to a connecting
awaiting_pong_timer_tick_intervals: 0,
received_message_since_timer_tick: false,
sent_gossip_timestamp_filter: false,
+
+ received_channel_announce_since_backlogged: false,
})).is_some() {
panic!("PeerManager driver duplicated descriptors!");
};
awaiting_pong_timer_tick_intervals: 0,
received_message_since_timer_tick: false,
sent_gossip_timestamp_filter: false,
+
+ received_channel_announce_since_backlogged: false,
})).is_some() {
panic!("PeerManager driver duplicated descriptors!");
};
Ok(())
}
- fn do_attempt_write_data(&self, descriptor: &mut Descriptor, peer: &mut Peer) {
+ fn peer_should_read(&self, peer: &mut Peer) -> bool {
+ peer.should_read(self.gossip_processing_backlogged.load(Ordering::Relaxed))
+ }
+
+ fn update_gossip_backlogged(&self) {
+ let new_state = self.message_handler.route_handler.processing_queue_high();
+ let prev_state = self.gossip_processing_backlogged.swap(new_state, Ordering::Relaxed);
+ if prev_state && !new_state {
+ self.gossip_processing_backlog_lifted.store(true, Ordering::Relaxed);
+ }
+ }
+
+ fn do_attempt_write_data(&self, descriptor: &mut Descriptor, peer: &mut Peer, force_one_write: bool) {
+ let mut have_written = false;
while !peer.awaiting_write_event {
if peer.should_buffer_onion_message() {
- if let Some(peer_node_id) = peer.their_node_id {
+ if let Some((peer_node_id, _)) = peer.their_node_id {
if let Some(next_onion_message) =
self.message_handler.onion_message_handler.next_onion_message_for_peer(peer_node_id) {
self.enqueue_message(peer, &next_onion_message);
}
},
InitSyncTracker::ChannelsSyncing(_) => unreachable!(),
- InitSyncTracker::NodesSyncing(key) => {
- if let Some(msg) = self.message_handler.route_handler.get_next_node_announcement(Some(&key)) {
+ InitSyncTracker::NodesSyncing(sync_node_id) => {
+ if let Some(msg) = self.message_handler.route_handler.get_next_node_announcement(Some(&sync_node_id)) {
self.enqueue_message(peer, &msg);
peer.sync_status = InitSyncTracker::NodesSyncing(msg.contents.node_id);
} else {
self.maybe_send_extra_ping(peer);
}
+ let should_read = self.peer_should_read(peer);
let next_buff = match peer.pending_outbound_buffer.front() {
- None => return,
+ None => {
+ if force_one_write && !have_written {
+ if should_read {
+ let data_sent = descriptor.send_data(&[], should_read);
+ debug_assert_eq!(data_sent, 0, "Can't write more than no data");
+ }
+ }
+ return
+ },
Some(buff) => buff,
};
let pending = &next_buff[peer.pending_outbound_buffer_first_msg_offset..];
- let data_sent = descriptor.send_data(pending, peer.should_read());
+ let data_sent = descriptor.send_data(pending, should_read);
+ have_written = true;
peer.pending_outbound_buffer_first_msg_offset += data_sent;
if peer.pending_outbound_buffer_first_msg_offset == next_buff.len() {
peer.pending_outbound_buffer_first_msg_offset = 0;
Some(peer_mutex) => {
let mut peer = peer_mutex.lock().unwrap();
peer.awaiting_write_event = false;
- self.do_attempt_write_data(descriptor, &mut peer);
+ self.do_attempt_write_data(descriptor, &mut peer, false);
}
};
Ok(())
/// [`send_data`] call on this descriptor has `resume_read` set (preventing DoS issues in the
/// send buffer).
///
+ /// In order to avoid processing too many messages at once per peer, `data` should be on the
+ /// order of 4KiB.
+ ///
/// [`send_data`]: SocketDescriptor::send_data
/// [`process_events`]: PeerManager::process_events
pub fn read_event(&self, peer_descriptor: &mut Descriptor, data: &[u8]) -> Result<bool, PeerHandleError> {
/// Append a message to a peer's pending outbound/write buffer
fn enqueue_message<M: wire::Type>(&self, peer: &mut Peer, message: &M) {
if is_gossip_msg(message.type_id()) {
- log_gossip!(self.logger, "Enqueueing message {:?} to {}", message, log_pubkey!(peer.their_node_id.unwrap()));
+ log_gossip!(self.logger, "Enqueueing message {:?} to {}", message, log_pubkey!(peer.their_node_id.unwrap().0));
} else {
- log_trace!(self.logger, "Enqueueing message {:?} to {}", message, log_pubkey!(peer.their_node_id.unwrap()))
+ log_trace!(self.logger, "Enqueueing message {:?} to {}", message, log_pubkey!(peer.their_node_id.unwrap().0))
}
peer.msgs_sent_since_pong += 1;
peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(message));
macro_rules! insert_node_id {
() => {
- match self.node_id_to_descriptor.lock().unwrap().entry(peer.their_node_id.unwrap()) {
+ match self.node_id_to_descriptor.lock().unwrap().entry(peer.their_node_id.unwrap().0) {
hash_map::Entry::Occupied(_) => {
- log_trace!(self.logger, "Got second connection with {}, closing", log_pubkey!(peer.their_node_id.unwrap()));
+ log_trace!(self.logger, "Got second connection with {}, closing", log_pubkey!(peer.their_node_id.unwrap().0));
peer.their_node_id = None; // Unset so that we don't generate a peer_disconnected event
return Err(PeerHandleError{ no_connection_possible: false })
},
hash_map::Entry::Vacant(entry) => {
- log_debug!(self.logger, "Finished noise handshake for connection with {}", log_pubkey!(peer.their_node_id.unwrap()));
+ log_debug!(self.logger, "Finished noise handshake for connection with {}", log_pubkey!(peer.their_node_id.unwrap().0));
entry.insert(peer_descriptor.clone())
},
};
peer.pending_read_buffer = [0; 18].to_vec(); // Message length header is 18 bytes
peer.pending_read_is_header = true;
- peer.their_node_id = Some(their_node_id);
+ peer.set_their_node_id(their_node_id);
insert_node_id!();
let features = self.message_handler.chan_handler.provided_init_features(&their_node_id)
.or(self.message_handler.route_handler.provided_init_features(&their_node_id))
peer.channel_encryptor.process_act_three(&peer.pending_read_buffer[..]));
peer.pending_read_buffer = [0; 18].to_vec(); // Message length header is 18 bytes
peer.pending_read_is_header = true;
- peer.their_node_id = Some(their_node_id);
+ peer.set_their_node_id(their_node_id);
insert_node_id!();
let features = self.message_handler.chan_handler.provided_init_features(&their_node_id)
.or(self.message_handler.route_handler.provided_init_features(&their_node_id))
}
}
}
- pause_read = !peer.should_read();
+ pause_read = !self.peer_should_read(peer);
if let Some(message) = msg_to_handle {
match self.handle_message(&peer_mutex, peer_lock, message) {
}
for msg in msgs_to_forward.drain(..) {
- self.forward_broadcast_msg(&*peers, &msg, peer_node_id.as_ref());
+ self.forward_broadcast_msg(&*peers, &msg, peer_node_id.as_ref().map(|(pk, _)| pk));
}
Ok(pause_read)
mut peer_lock: MutexGuard<Peer>,
message: wire::Message<<<CMH as core::ops::Deref>::Target as wire::CustomMessageReader>::CustomMessage>
) -> Result<Option<wire::Message<<<CMH as core::ops::Deref>::Target as wire::CustomMessageReader>::CustomMessage>>, MessageHandlingError> {
- let their_node_id = peer_lock.their_node_id.clone().expect("We know the peer's public key by the time we receive messages");
+ let their_node_id = peer_lock.their_node_id.clone().expect("We know the peer's public key by the time we receive messages").0;
peer_lock.received_message_since_timer_tick = true;
// Need an Init as first message
return Ok(None);
}
+ if let wire::Message::ChannelAnnouncement(ref _msg) = message {
+ peer_lock.received_channel_announce_since_backlogged = true;
+ }
+
mem::drop(peer_lock);
if is_gossip_msg(message.type_id()) {
.map_err(|e| -> MessageHandlingError { e.into() })? {
should_forward = Some(wire::Message::ChannelAnnouncement(msg));
}
+ self.update_gossip_backlogged();
},
wire::Message::NodeAnnouncement(msg) => {
if self.message_handler.route_handler.handle_node_announcement(&msg)
.map_err(|e| -> MessageHandlingError { e.into() })? {
should_forward = Some(wire::Message::NodeAnnouncement(msg));
}
+ self.update_gossip_backlogged();
},
wire::Message::ChannelUpdate(msg) => {
self.message_handler.chan_handler.handle_channel_update(&their_node_id, &msg);
.map_err(|e| -> MessageHandlingError { e.into() })? {
should_forward = Some(wire::Message::ChannelUpdate(msg));
}
+ self.update_gossip_backlogged();
},
wire::Message::QueryShortChannelIds(msg) => {
self.message_handler.route_handler.handle_query_short_channel_ids(&their_node_id, msg)?;
log_gossip!(self.logger, "Skipping broadcast message to {:?} as its outbound buffer is full", peer.their_node_id);
continue;
}
- if peer.their_node_id.as_ref() == Some(&msg.contents.node_id_1) ||
- peer.their_node_id.as_ref() == Some(&msg.contents.node_id_2) {
- continue;
+ if let Some((_, their_node_id)) = peer.their_node_id {
+ if their_node_id == msg.contents.node_id_1 || their_node_id == msg.contents.node_id_2 {
+ continue;
+ }
}
- if except_node.is_some() && peer.their_node_id.as_ref() == except_node {
+ if except_node.is_some() && peer.their_node_id.as_ref().map(|(pk, _)| pk) == except_node {
continue;
}
self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
log_gossip!(self.logger, "Skipping broadcast message to {:?} as its outbound buffer is full", peer.their_node_id);
continue;
}
- if peer.their_node_id.as_ref() == Some(&msg.contents.node_id) {
- continue;
+ if let Some((_, their_node_id)) = peer.their_node_id {
+ if their_node_id == msg.contents.node_id {
+ continue;
+ }
}
- if except_node.is_some() && peer.their_node_id.as_ref() == except_node {
+ if except_node.is_some() && peer.their_node_id.as_ref().map(|(pk, _)| pk) == except_node {
continue;
}
self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
log_gossip!(self.logger, "Skipping broadcast message to {:?} as its outbound buffer is full", peer.their_node_id);
continue;
}
- if except_node.is_some() && peer.their_node_id.as_ref() == except_node {
+ if except_node.is_some() && peer.their_node_id.as_ref().map(|(pk, _)| pk) == except_node {
continue;
}
self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
}
}
+ self.update_gossip_backlogged();
+ let flush_read_disabled = self.gossip_processing_backlog_lifted.swap(false, Ordering::Relaxed);
+
let mut peers_to_disconnect = HashMap::new();
let mut events_generated = self.message_handler.chan_handler.get_and_clear_pending_msg_events();
events_generated.append(&mut self.message_handler.route_handler.get_and_clear_pending_msg_events());
self.forward_broadcast_msg(peers, &wire::Message::ChannelAnnouncement(msg), None),
_ => {},
}
- match self.message_handler.route_handler.handle_channel_update(&update_msg) {
- Ok(_) | Err(LightningError { action: msgs::ErrorAction::IgnoreDuplicateGossip, .. }) =>
- self.forward_broadcast_msg(peers, &wire::Message::ChannelUpdate(update_msg), None),
- _ => {},
+ if let Some(msg) = update_msg {
+ match self.message_handler.route_handler.handle_channel_update(&msg) {
+ Ok(_) | Err(LightningError { action: msgs::ErrorAction::IgnoreDuplicateGossip, .. }) =>
+ self.forward_broadcast_msg(peers, &wire::Message::ChannelUpdate(msg), None),
+ _ => {},
+ }
}
},
MessageSendEvent::BroadcastChannelUpdate { msg } => {
_ => {},
}
},
+ MessageSendEvent::BroadcastNodeAnnouncement { msg } => {
+ log_debug!(self.logger, "Handling BroadcastNodeAnnouncement event in peer_handler for node {}", msg.contents.node_id);
+ match self.message_handler.route_handler.handle_node_announcement(&msg) {
+ Ok(_) | Err(LightningError { action: msgs::ErrorAction::IgnoreDuplicateGossip, .. }) =>
+ self.forward_broadcast_msg(peers, &wire::Message::NodeAnnouncement(msg), None),
+ _ => {},
+ }
+ },
MessageSendEvent::SendChannelUpdate { ref node_id, ref msg } => {
log_trace!(self.logger, "Handling SendChannelUpdate event in peer_handler for node {} for channel {}",
log_pubkey!(node_id), msg.contents.short_channel_id);
}
for (descriptor, peer_mutex) in peers.iter() {
- self.do_attempt_write_data(&mut (*descriptor).clone(), &mut *peer_mutex.lock().unwrap());
+ let mut peer = peer_mutex.lock().unwrap();
+ if flush_read_disabled { peer.received_channel_announce_since_backlogged = false; }
+ self.do_attempt_write_data(&mut (*descriptor).clone(), &mut *peer, flush_read_disabled);
}
}
if !peers_to_disconnect.is_empty() {
self.enqueue_message(&mut *peer, &msg);
// This isn't guaranteed to work, but if there is enough free
// room in the send buffer, put the error message there...
- self.do_attempt_write_data(&mut descriptor, &mut *peer);
+ self.do_attempt_write_data(&mut descriptor, &mut *peer, false);
} else {
log_trace!(self.logger, "Handling DisconnectPeer HandleError event in peer_handler for node {} with no message", log_pubkey!(node_id));
}
},
Some(peer_lock) => {
let peer = peer_lock.lock().unwrap();
- if let Some(node_id) = peer.their_node_id {
+ if let Some((node_id, _)) = peer.their_node_id {
log_trace!(self.logger,
"Handling disconnection of peer {}, with {}future connection to the peer possible.",
log_pubkey!(node_id), if no_connection_possible { "no " } else { "" });
self.node_id_to_descriptor.lock().unwrap().clear();
let peers = &mut *peers_lock;
for (mut descriptor, peer) in peers.drain() {
- if let Some(node_id) = peer.lock().unwrap().their_node_id {
+ if let Some((node_id, _)) = peer.lock().unwrap().their_node_id {
log_trace!(self.logger, "Disconnecting peer with id {} due to client request to disconnect all peers", node_id);
self.message_handler.chan_handler.peer_disconnected(&node_id, false);
self.message_handler.onion_message_handler.peer_disconnected(&node_id, false);
{
let peers_lock = self.peers.read().unwrap();
+ self.update_gossip_backlogged();
+ let flush_read_disabled = self.gossip_processing_backlog_lifted.swap(false, Ordering::Relaxed);
+
for (descriptor, peer_mutex) in peers_lock.iter() {
let mut peer = peer_mutex.lock().unwrap();
+ if flush_read_disabled { peer.received_channel_announce_since_backlogged = false; }
+
if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_node_id.is_none() {
// The peer needs to complete its handshake before we can exchange messages. We
// give peers one timer tick to complete handshake, reusing
continue;
}
- if peer.awaiting_pong_timer_tick_intervals == -1 {
- // Magic value set in `maybe_send_extra_ping`.
- peer.awaiting_pong_timer_tick_intervals = 1;
+ loop { // Used as a `goto` to skip writing a Ping message.
+ if peer.awaiting_pong_timer_tick_intervals == -1 {
+ // Magic value set in `maybe_send_extra_ping`.
+ peer.awaiting_pong_timer_tick_intervals = 1;
+ peer.received_message_since_timer_tick = false;
+ break;
+ }
+
+ if (peer.awaiting_pong_timer_tick_intervals > 0 && !peer.received_message_since_timer_tick)
+ || peer.awaiting_pong_timer_tick_intervals as u64 >
+ MAX_BUFFER_DRAIN_TICK_INTERVALS_PER_PEER as u64 * peers_lock.len() as u64
+ {
+ descriptors_needing_disconnect.push(descriptor.clone());
+ break;
+ }
peer.received_message_since_timer_tick = false;
- continue;
- }
- if (peer.awaiting_pong_timer_tick_intervals > 0 && !peer.received_message_since_timer_tick)
- || peer.awaiting_pong_timer_tick_intervals as u64 >
- MAX_BUFFER_DRAIN_TICK_INTERVALS_PER_PEER as u64 * peers_lock.len() as u64
- {
- descriptors_needing_disconnect.push(descriptor.clone());
- continue;
- }
- peer.received_message_since_timer_tick = false;
+ if peer.awaiting_pong_timer_tick_intervals > 0 {
+ peer.awaiting_pong_timer_tick_intervals += 1;
+ break;
+ }
- if peer.awaiting_pong_timer_tick_intervals > 0 {
- peer.awaiting_pong_timer_tick_intervals += 1;
- continue;
+ peer.awaiting_pong_timer_tick_intervals = 1;
+ let ping = msgs::Ping {
+ ponglen: 0,
+ byteslen: 64,
+ };
+ self.enqueue_message(&mut *peer, &ping);
+ break;
}
-
- peer.awaiting_pong_timer_tick_intervals = 1;
- let ping = msgs::Ping {
- ponglen: 0,
- byteslen: 64,
- };
- self.enqueue_message(&mut *peer, &ping);
- self.do_attempt_write_data(&mut (descriptor.clone()), &mut *peer);
+ self.do_attempt_write_data(&mut (descriptor.clone()), &mut *peer, flush_read_disabled);
}
}
let mut peers_lock = self.peers.write().unwrap();
for descriptor in descriptors_needing_disconnect.iter() {
if let Some(peer) = peers_lock.remove(descriptor) {
- if let Some(node_id) = peer.lock().unwrap().their_node_id {
+ if let Some((node_id, _)) = peer.lock().unwrap().their_node_id {
log_trace!(self.logger, "Disconnecting peer with id {} due to ping timeout", node_id);
self.node_id_to_descriptor.lock().unwrap().remove(&node_id);
self.message_handler.chan_handler.peer_disconnected(&node_id, false);
let announcement = msgs::UnsignedNodeAnnouncement {
features,
timestamp: self.last_node_announcement_serial.fetch_add(1, Ordering::AcqRel),
- node_id: self.node_signer.get_node_id(Recipient::Node).unwrap(),
+ node_id: NodeId::from_pubkey(&self.node_signer.get_node_id(Recipient::Node).unwrap()),
rgb, alias, addresses,
excess_address_data: Vec::new(),
excess_data: Vec::new(),
}
fn establish_connection<'a>(peer_a: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestRoutingMessageHandler, IgnoringMessageHandler, &'a test_utils::TestLogger, IgnoringMessageHandler, &'a test_utils::TestNodeSigner>, peer_b: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestRoutingMessageHandler, IgnoringMessageHandler, &'a test_utils::TestLogger, IgnoringMessageHandler, &'a test_utils::TestNodeSigner>) -> (FileDescriptor, FileDescriptor) {
- let a_id = peer_a.node_signer.get_node_id(Recipient::Node).unwrap();
+ let id_a = peer_a.node_signer.get_node_id(Recipient::Node).unwrap();
let mut fd_a = FileDescriptor { fd: 1, outbound_data: Arc::new(Mutex::new(Vec::new())) };
+ let addr_a = NetAddress::IPv4{addr: [127, 0, 0, 1], port: 1000};
+ let id_b = peer_b.node_signer.get_node_id(Recipient::Node).unwrap();
let mut fd_b = FileDescriptor { fd: 1, outbound_data: Arc::new(Mutex::new(Vec::new())) };
- let initial_data = peer_b.new_outbound_connection(a_id, fd_b.clone(), None).unwrap();
- peer_a.new_inbound_connection(fd_a.clone(), None).unwrap();
+ let addr_b = NetAddress::IPv4{addr: [127, 0, 0, 1], port: 1001};
+ let initial_data = peer_b.new_outbound_connection(id_a, fd_b.clone(), Some(addr_a.clone())).unwrap();
+ peer_a.new_inbound_connection(fd_a.clone(), Some(addr_b.clone())).unwrap();
assert_eq!(peer_a.read_event(&mut fd_a, &initial_data).unwrap(), false);
peer_a.process_events();
let a_data = fd_a.outbound_data.lock().unwrap().split_off(0);
assert_eq!(peer_b.read_event(&mut fd_b, &a_data).unwrap(), false);
+ assert!(peer_a.get_peer_node_ids().contains(&(id_b, Some(addr_b))));
+ assert!(peer_b.get_peer_node_ids().contains(&(id_a, Some(addr_a))));
+
(fd_a.clone(), fd_b.clone())
}
projects / rust-lightning / blobdiff