+// This file is Copyright its original authors, visible in version control
+// history.
+//
+// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
+// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// You may not use this file except in accordance with one or both of these
+// licenses.
+
//! Top level peer message handling and socket handling logic lives here.
//!
//! Instead of actually servicing sockets ourselves we require that you implement the
pending_outbound_buffer_first_msg_offset: 0,
awaiting_write_event: false,
- pending_read_buffer: pending_read_buffer,
+ pending_read_buffer,
pending_read_buffer_pos: 0,
pending_read_is_header: false,
pending_outbound_buffer_first_msg_offset: 0,
awaiting_write_event: false,
- pending_read_buffer: pending_read_buffer,
+ pending_read_buffer,
pending_read_buffer_pos: 0,
pending_read_is_header: false,
peer.their_node_id = Some(their_node_id);
insert_node_id!();
- let mut features = InitFeatures::known();
- if !self.message_handler.route_handler.should_request_full_sync(&peer.their_node_id.unwrap()) {
- features.clear_initial_routing_sync();
- }
-
+ let features = InitFeatures::known();
let resp = msgs::Init { features };
self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &resp);
},
}
log_info!(
- self.logger, "Received peer Init message: data_loss_protect: {}, initial_routing_sync: {}, upfront_shutdown_script: {}, static_remote_key: {}, unknown flags (local and global): {}",
+ self.logger, "Received peer Init message: data_loss_protect: {}, initial_routing_sync: {}, upfront_shutdown_script: {}, gossip_queries: {}, static_remote_key: {}, unknown flags (local and global): {}",
if msg.features.supports_data_loss_protect() { "supported" } else { "not supported"},
if msg.features.initial_routing_sync() { "requested" } else { "not requested" },
if msg.features.supports_upfront_shutdown_script() { "supported" } else { "not supported"},
+ if msg.features.supports_gossip_queries() { "supported" } else { "not supported" },
if msg.features.supports_static_remote_key() { "supported" } else { "not supported"},
if msg.features.supports_unknown_bits() { "present" } else { "none" }
);
}
if !peer.outbound {
- let mut features = InitFeatures::known();
- if !self.message_handler.route_handler.should_request_full_sync(&peer.their_node_id.unwrap()) {
- features.clear_initial_routing_sync();
- }
-
+ let features = InitFeatures::known();
let resp = msgs::Init { features };
self.enqueue_message(peers_needing_send, peer, peer_descriptor.clone(), &resp);
}
+ self.message_handler.route_handler.sync_routing_table(&peer.their_node_id.unwrap(), &msg);
+
self.message_handler.chan_handler.peer_connected(&peer.their_node_id.unwrap(), &msg);
peer.their_features = Some(msg.features);
},
// TODO: forward msg along to all our other peers!
}
},
+ wire::Message::QueryShortChannelIds(msg) => {
+ self.message_handler.route_handler.handle_query_short_channel_ids(&peer.their_node_id.unwrap(), msg)?;
+ },
+ wire::Message::ReplyShortChannelIdsEnd(msg) => {
+ self.message_handler.route_handler.handle_reply_short_channel_ids_end(&peer.their_node_id.unwrap(), msg)?;
+ },
+ wire::Message::QueryChannelRange(msg) => {
+ self.message_handler.route_handler.handle_query_channel_range(&peer.their_node_id.unwrap(), msg)?;
+ },
+ wire::Message::ReplyChannelRange(msg) => {
+ self.message_handler.route_handler.handle_reply_channel_range(&peer.their_node_id.unwrap(), msg)?;
+ },
+ wire::Message::GossipTimestampFilter(_msg) => {
+ // TODO: handle message
+ },
// Unknown messages:
wire::Message::Unknown(msg_type) if msg_type.is_even() => {
// drop optional-ish messages when send buffers get full!
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());
let mut peers_lock = self.peers.lock().unwrap();
let peers = &mut *peers_lock;
for event in events_generated.drain(..) {
self.do_attempt_write_data(&mut descriptor, peer);
},
}
+ },
+ MessageSendEvent::SendChannelRangeQuery { ref node_id, ref msg } => {
+ let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {});
+ peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg)));
+ self.do_attempt_write_data(&mut descriptor, peer);
+ },
+ MessageSendEvent::SendShortIdsQuery { ref node_id, ref msg } => {
+ let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {});
+ peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg)));
+ self.do_attempt_write_data(&mut descriptor, peer);
}
}
}
};
}
+ /// Disconnect a peer given its node id.
+ ///
+ /// Set no_connection_possible to true to prevent any further connection with this peer,
+ /// force-closing any channels we have with it.
+ ///
+ /// If a peer is connected, this will call `disconnect_socket` on the descriptor for the peer,
+ /// so be careful about reentrancy issues.
+ pub fn disconnect_by_node_id(&self, node_id: PublicKey, no_connection_possible: bool) {
+ let mut peers_lock = self.peers.lock().unwrap();
+ if let Some(mut descriptor) = peers_lock.node_id_to_descriptor.remove(&node_id) {
+ log_trace!(self.logger, "Disconnecting peer with id {} due to client request", node_id);
+ peers_lock.peers.remove(&descriptor);
+ peers_lock.peers_needing_send.remove(&descriptor);
+ self.message_handler.chan_handler.peer_disconnected(&node_id, no_connection_possible);
+ descriptor.disconnect_socket();
+ }
+ }
+
/// This function should be called roughly once every 30 seconds.
/// It will send pings to each peer and disconnect those which did not respond to the last round of pings.
(fd_a.clone(), fd_b.clone())
}
- fn establish_connection_and_read_events<'a>(peer_a: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestRoutingMessageHandler, &'a test_utils::TestLogger>, peer_b: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestRoutingMessageHandler, &'a test_utils::TestLogger>) -> (FileDescriptor, FileDescriptor) {
- let (mut fd_a, mut fd_b) = establish_connection(peer_a, peer_b);
- assert_eq!(peer_b.read_event(&mut fd_b, &fd_a.outbound_data.lock().unwrap().split_off(0)).unwrap(), false);
- assert_eq!(peer_a.read_event(&mut fd_a, &fd_b.outbound_data.lock().unwrap().split_off(0)).unwrap(), false);
- (fd_a.clone(), fd_b.clone())
- }
-
#[test]
fn test_disconnect_peer() {
// Simple test which builds a network of PeerManager, connects and brings them to NoiseState::Finished and
assert_eq!(cfgs[1].routing_handler.chan_upds_recvd.load(Ordering::Acquire), 100);
assert_eq!(cfgs[1].routing_handler.chan_anns_recvd.load(Ordering::Acquire), 50);
}
-
- #[test]
- fn limit_initial_routing_sync_requests() {
- // Inbound peer 0 requests initial_routing_sync, but outbound peer 1 does not.
- {
- let cfgs = create_peermgr_cfgs(2);
- cfgs[0].routing_handler.request_full_sync.store(true, Ordering::Release);
- let peers = create_network(2, &cfgs);
- let (fd_0_to_1, fd_1_to_0) = establish_connection_and_read_events(&peers[0], &peers[1]);
-
- let peer_0 = peers[0].peers.lock().unwrap();
- let peer_1 = peers[1].peers.lock().unwrap();
-
- let peer_0_features = peer_1.peers.get(&fd_1_to_0).unwrap().their_features.as_ref();
- let peer_1_features = peer_0.peers.get(&fd_0_to_1).unwrap().their_features.as_ref();
-
- assert!(peer_0_features.unwrap().initial_routing_sync());
- assert!(!peer_1_features.unwrap().initial_routing_sync());
- }
-
- // Outbound peer 1 requests initial_routing_sync, but inbound peer 0 does not.
- {
- let cfgs = create_peermgr_cfgs(2);
- cfgs[1].routing_handler.request_full_sync.store(true, Ordering::Release);
- let peers = create_network(2, &cfgs);
- let (fd_0_to_1, fd_1_to_0) = establish_connection_and_read_events(&peers[0], &peers[1]);
-
- let peer_0 = peers[0].peers.lock().unwrap();
- let peer_1 = peers[1].peers.lock().unwrap();
-
- let peer_0_features = peer_1.peers.get(&fd_1_to_0).unwrap().their_features.as_ref();
- let peer_1_features = peer_0.peers.get(&fd_0_to_1).unwrap().their_features.as_ref();
-
- assert!(!peer_0_features.unwrap().initial_routing_sync());
- assert!(peer_1_features.unwrap().initial_routing_sync());
- }
- }
}
projects / rust-lightning / blobdiff