X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=rust-lightning;a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fpeer_handler.rs;h=c02e351bef3bc1169d6cdfffb054e6ef611d51f9;hp=11c6c4d4c2da29d05206c6fea5548d57f1d914c7;hb=2ce646f575b2f81e4f0f56a4ca0f11551866279e;hpb=07a7e34f89323540f17abbf9a4b708d27f6bd18f diff --git a/lightning/src/ln/peer_handler.rs b/lightning/src/ln/peer_handler.rs index 11c6c4d4..c02e351b 100644 --- a/lightning/src/ln/peer_handler.rs +++ b/lightning/src/ln/peer_handler.rs @@ -12,7 +12,7 @@ use ln::features::InitFeatures; use ln::msgs; use ln::msgs::ChannelMessageHandler; use ln::channelmanager::{SimpleArcChannelManager, SimpleRefChannelManager}; -use util::ser::VecWriter; +use util::ser::{VecWriter, Writeable}; use ln::peer_channel_encryptor::{PeerChannelEncryptor,NextNoiseStep}; use ln::wire; use ln::wire::Encode; @@ -151,6 +151,12 @@ impl Peer { } } +enum AnnouncementMsg { + ChanUpdate(msgs::ChannelUpdate), + ChanAnnounce(msgs::ChannelAnnouncement), + NodeAnnounce(msgs::NodeAnnouncement), +} + struct PeerHolder { peers: HashMap, /// Added to by do_read_event for cases where we pushed a message onto the send buffer but @@ -158,6 +164,7 @@ struct PeerHolder { peers_needing_send: HashSet, /// Only add to this set when noise completes: node_id_to_descriptor: HashMap, + pending_broadcasts: Vec<(PublicKey, AnnouncementMsg)>, } #[cfg(not(any(target_pointer_width = "32", target_pointer_width = "64")))] @@ -171,7 +178,7 @@ fn _check_usize_is_32_or_64() { /// lifetimes). Other times you can afford a reference, which is more efficient, in which case /// SimpleRefPeerManager is the more appropriate type. Defining these type aliases prevents /// issues such as overly long function definitions. -pub type SimpleArcPeerManager = Arc>>; +pub type SimpleArcPeerManager = Arc, Arc>>; /// SimpleRefPeerManager is a type alias for a PeerManager reference, and is the reference /// counterpart to the SimpleArcPeerManager type alias. Use this type by default when you don't @@ -179,7 +186,7 @@ pub type SimpleArcPeerManager = Arc = PeerManager>; +pub type SimpleRefPeerManager<'a, 'b, 'c, 'd, 'e, SD, M, T, F, L> = PeerManager, &'e L>; /// A PeerManager manages a set of peers, described by their SocketDescriptor and marshalls socket /// events into messages which it passes on to its MessageHandlers. @@ -189,7 +196,7 @@ pub type SimpleRefPeerManager<'a, 'b, 'c, 'd, SD, M, T, F> = PeerManager where CM::Target: msgs::ChannelMessageHandler { +pub struct PeerManager where CM::Target: msgs::ChannelMessageHandler, L::Target: Logger { message_handler: MessageHandler, peers: Mutex>, our_node_secret: SecretKey, @@ -200,7 +207,7 @@ pub struct PeerManager where CM::Target peer_counter_low: AtomicUsize, peer_counter_high: AtomicUsize, - logger: Arc, + logger: L, } macro_rules! encode_msg { @@ -213,22 +220,23 @@ macro_rules! encode_msg { /// Manages and reacts to connection events. You probably want to use file descriptors as PeerIds. /// PeerIds may repeat, but only after socket_disconnected() has been called. -impl PeerManager where CM::Target: msgs::ChannelMessageHandler { +impl PeerManager where CM::Target: msgs::ChannelMessageHandler, L::Target: Logger { /// Constructs a new PeerManager with the given message handlers and node_id secret key /// ephemeral_random_data is used to derive per-connection ephemeral keys and must be /// cryptographically secure random bytes. - pub fn new(message_handler: MessageHandler, our_node_secret: SecretKey, ephemeral_random_data: &[u8; 32], logger: Arc) -> PeerManager { + pub fn new(message_handler: MessageHandler, our_node_secret: SecretKey, ephemeral_random_data: &[u8; 32], logger: L) -> PeerManager { let mut ephemeral_key_midstate = Sha256::engine(); ephemeral_key_midstate.input(ephemeral_random_data); PeerManager { - message_handler: message_handler, + message_handler, peers: Mutex::new(PeerHolder { peers: HashMap::new(), peers_needing_send: HashSet::new(), - node_id_to_descriptor: HashMap::new() + node_id_to_descriptor: HashMap::new(), + pending_broadcasts: Vec::new(), }), - our_node_secret: our_node_secret, + our_node_secret, ephemeral_key_midstate, peer_counter_low: AtomicUsize::new(0), peer_counter_high: AtomicUsize::new(0), @@ -342,7 +350,7 @@ impl PeerManager where macro_rules! encode_and_send_msg { ($msg: expr) => { { - log_trace!(self, "Encoding and sending sync update message of type {} to {}", $msg.type_id(), log_pubkey!(peer.their_node_id.unwrap())); + log_trace!(self.logger, "Encoding and sending sync update message of type {} to {}", $msg.type_id(), log_pubkey!(peer.their_node_id.unwrap())); peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!($msg)[..])); } } @@ -459,6 +467,17 @@ impl PeerManager where } } + /// Append a message to a peer's pending outbound/write buffer, and update the map of peers needing sends accordingly. + fn enqueue_message(&self, peers_needing_send: &mut HashSet, peer: &mut Peer, descriptor: Descriptor, message: &M) { + let mut buffer = VecWriter(Vec::new()); + wire::write(message, &mut buffer).unwrap(); // crash if the write failed + let encoded_message = buffer.0; + + log_trace!(self.logger, "Enqueueing message of type {} to {}", message.type_id(), log_pubkey!(peer.their_node_id.unwrap())); + peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_message[..])); + peers_needing_send.insert(descriptor); + } + fn do_read_event(&self, peer_descriptor: &mut Descriptor, data: &[u8]) -> Result { let pause_read = { let mut peers_lock = self.peers.lock().unwrap(); @@ -481,16 +500,6 @@ impl PeerManager where if peer.pending_read_buffer_pos == peer.pending_read_buffer.len() { peer.pending_read_buffer_pos = 0; - macro_rules! encode_and_send_msg { - ($msg: expr) => { - { - log_trace!(self, "Encoding and sending message of type {} to {}", $msg.type_id(), log_pubkey!(peer.their_node_id.unwrap())); - peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(&$msg)[..])); - peers.peers_needing_send.insert(peer_descriptor.clone()); - } - } - } - macro_rules! try_potential_handleerror { ($thing: expr) => { match $thing { @@ -499,16 +508,16 @@ impl PeerManager where match e.action { msgs::ErrorAction::DisconnectPeer { msg: _ } => { //TODO: Try to push msg - log_trace!(self, "Got Err handling message, disconnecting peer because {}", e.err); + log_trace!(self.logger, "Got Err handling message, disconnecting peer because {}", e.err); return Err(PeerHandleError{ no_connection_possible: false }); }, msgs::ErrorAction::IgnoreError => { - log_trace!(self, "Got Err handling message, ignoring because {}", e.err); + log_trace!(self.logger, "Got Err handling message, ignoring because {}", e.err); continue; }, msgs::ErrorAction::SendErrorMessage { msg } => { - log_trace!(self, "Got Err handling message, sending Error message because {}", e.err); - encode_and_send_msg!(msg); + log_trace!(self.logger, "Got Err handling message, sending Error message because {}", e.err); + self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &msg); continue; }, } @@ -521,12 +530,12 @@ impl PeerManager where () => { match peers.node_id_to_descriptor.entry(peer.their_node_id.unwrap()) { hash_map::Entry::Occupied(_) => { - log_trace!(self, "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())); 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_trace!(self, "Finished noise handshake for connection with {}", log_pubkey!(peer.their_node_id.unwrap())); + log_trace!(self.logger, "Finished noise handshake for connection with {}", log_pubkey!(peer.their_node_id.unwrap())); entry.insert(peer_descriptor.clone()) }, }; @@ -554,7 +563,7 @@ impl PeerManager where } let resp = msgs::Init { features }; - encode_and_send_msg!(resp); + self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &resp); }, NextNoiseStep::ActThree => { let their_node_id = try_potential_handleerror!(peer.channel_encryptor.process_act_three(&peer.pending_read_buffer[..])); @@ -588,15 +597,15 @@ impl PeerManager where match e { msgs::DecodeError::UnknownVersion => return Err(PeerHandleError { no_connection_possible: false }), msgs::DecodeError::UnknownRequiredFeature => { - log_debug!(self, "Got a channel/node announcement with an known required feature flag, you may want to update!"); + log_debug!(self.logger, "Got a channel/node announcement with an known required feature flag, you may want to update!"); continue; } msgs::DecodeError::InvalidValue => { - log_debug!(self, "Got an invalid value while deserializing message"); + log_debug!(self.logger, "Got an invalid value while deserializing message"); return Err(PeerHandleError { no_connection_possible: false }); } msgs::DecodeError::ShortRead => { - log_debug!(self, "Deserialization failed due to shortness of message"); + log_debug!(self.logger, "Deserialization failed due to shortness of message"); return Err(PeerHandleError { no_connection_possible: false }); } msgs::DecodeError::BadLengthDescriptor => return Err(PeerHandleError { no_connection_possible: false }), @@ -605,12 +614,12 @@ impl PeerManager where } }; - log_trace!(self, "Received message of type {} from {}", message.type_id(), log_pubkey!(peer.their_node_id.unwrap())); + log_trace!(self.logger, "Received message of type {} from {}", message.type_id(), log_pubkey!(peer.their_node_id.unwrap())); // Need an Init as first message if let wire::Message::Init(_) = message { } else if peer.their_features.is_none() { - log_trace!(self, "Peer {} sent non-Init first message", log_pubkey!(peer.their_node_id.unwrap())); + log_trace!(self.logger, "Peer {} sent non-Init first message", log_pubkey!(peer.their_node_id.unwrap())); return Err(PeerHandleError{ no_connection_possible: false }); } @@ -618,18 +627,18 @@ impl PeerManager where // Setup and Control messages: wire::Message::Init(msg) => { if msg.features.requires_unknown_bits() { - log_info!(self, "Peer global features required unknown version bits"); + log_info!(self.logger, "Peer global features required unknown version bits"); return Err(PeerHandleError{ no_connection_possible: true }); } if msg.features.requires_unknown_bits() { - log_info!(self, "Peer local features required unknown version bits"); + log_info!(self.logger, "Peer local features required unknown version bits"); return Err(PeerHandleError{ no_connection_possible: true }); } if peer.their_features.is_some() { return Err(PeerHandleError{ no_connection_possible: false }); } - log_info!(self, "Received peer Init message: data_loss_protect: {}, initial_routing_sync: {}, upfront_shutdown_script: {}, static_remote_key: {}, unkown local flags: {}, unknown global flags: {}", + log_info!(self.logger, "Received peer Init message: data_loss_protect: {}, initial_routing_sync: {}, upfront_shutdown_script: {}, static_remote_key: {}, unkown local flags: {}, unknown global flags: {}", 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"}, @@ -642,7 +651,7 @@ impl PeerManager where peers.peers_needing_send.insert(peer_descriptor.clone()); } if !msg.features.supports_static_remote_key() { - log_debug!(self, "Peer {} does not support static remote key, disconnecting with no_connection_possible", log_pubkey!(peer.their_node_id.unwrap())); + log_debug!(self.logger, "Peer {} does not support static remote key, disconnecting with no_connection_possible", log_pubkey!(peer.their_node_id.unwrap())); return Err(PeerHandleError{ no_connection_possible: true }); } @@ -653,7 +662,7 @@ impl PeerManager where } let resp = msgs::Init { features }; - encode_and_send_msg!(resp); + self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &resp); } self.message_handler.chan_handler.peer_connected(&peer.their_node_id.unwrap(), &msg); @@ -669,9 +678,9 @@ impl PeerManager where } if data_is_printable { - log_debug!(self, "Got Err message from {}: {}", log_pubkey!(peer.their_node_id.unwrap()), msg.data); + log_debug!(self.logger, "Got Err message from {}: {}", log_pubkey!(peer.their_node_id.unwrap()), msg.data); } else { - log_debug!(self, "Got Err message from {} with non-ASCII error message", log_pubkey!(peer.their_node_id.unwrap())); + log_debug!(self.logger, "Got Err message from {} with non-ASCII error message", log_pubkey!(peer.their_node_id.unwrap())); } self.message_handler.chan_handler.handle_error(&peer.their_node_id.unwrap(), &msg); if msg.channel_id == [0; 32] { @@ -682,7 +691,7 @@ impl PeerManager where wire::Message::Ping(msg) => { if msg.ponglen < 65532 { let resp = msgs::Pong { byteslen: msg.ponglen }; - encode_and_send_msg!(resp); + self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &resp); } }, wire::Message::Pong(_msg) => { @@ -749,32 +758,32 @@ impl PeerManager where let should_forward = try_potential_handleerror!(self.message_handler.route_handler.handle_channel_announcement(&msg)); if should_forward { - // TODO: forward msg along to all our other peers! + peers.pending_broadcasts.push((peer.their_node_id.unwrap().clone(), AnnouncementMsg::ChanAnnounce(msg))); } }, wire::Message::NodeAnnouncement(msg) => { let should_forward = try_potential_handleerror!(self.message_handler.route_handler.handle_node_announcement(&msg)); if should_forward { - // TODO: forward msg along to all our other peers! + peers.pending_broadcasts.push((peer.their_node_id.unwrap().clone(), AnnouncementMsg::NodeAnnounce(msg))); } }, wire::Message::ChannelUpdate(msg) => { let should_forward = try_potential_handleerror!(self.message_handler.route_handler.handle_channel_update(&msg)); if should_forward { - // TODO: forward msg along to all our other peers! + peers.pending_broadcasts.push((peer.their_node_id.unwrap().clone(), AnnouncementMsg::ChanUpdate(msg))); } }, // Unknown messages: wire::Message::Unknown(msg_type) if msg_type.is_even() => { - log_debug!(self, "Received unknown even message of type {}, disconnecting peer!", msg_type); + log_debug!(self.logger, "Received unknown even message of type {}, disconnecting peer!", msg_type); // Fail the channel if message is an even, unknown type as per BOLT #1. return Err(PeerHandleError{ no_connection_possible: true }); }, wire::Message::Unknown(msg_type) => { - log_trace!(self, "Received unknown odd message of type {}, ignoring", msg_type); + log_trace!(self.logger, "Received unknown odd message of type {}, ignoring", msg_type); }, } } @@ -807,6 +816,54 @@ impl PeerManager where let mut events_generated = self.message_handler.chan_handler.get_and_clear_pending_msg_events(); let mut peers_lock = self.peers.lock().unwrap(); let peers = &mut *peers_lock; + + macro_rules! broadcast_msgs { + ({ $($except_check: stmt), * }, { $($encoded_msg: expr), * }) => { { + for (ref descriptor, ref mut peer) in peers.peers.iter_mut() { + if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() { + continue + } + match peer.their_node_id { + None => continue, + Some(their_node_id) => { + $( + if { $except_check }(&peer, their_node_id) { continue } + )* + } + } + $(peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&$encoded_msg));)* + self.do_attempt_write_data(&mut (*descriptor).clone(), peer); + } + } } + } + + for (from_node_id, broadcast) in peers.pending_broadcasts.drain(..) { + match broadcast { + AnnouncementMsg::ChanUpdate(msg) => { + let encoded_msg = encode_msg!(&msg); + broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_channel_announcement(msg.contents.short_channel_id), + |_, their_node_id| their_node_id == from_node_id }, + { encoded_msg }); + }, + AnnouncementMsg::ChanAnnounce(msg) => { + let encoded_msg = encode_msg!(&msg); + broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_channel_announcement(msg.contents.short_channel_id), + |_, their_node_id| their_node_id == msg.contents.node_id_1, + |_, their_node_id| their_node_id == msg.contents.node_id_2, + |_, their_node_id| their_node_id == from_node_id }, + { encoded_msg }); + }, + AnnouncementMsg::NodeAnnounce(msg) => { + let encoded_msg = encode_msg!(&msg); + + broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_node_announcement(msg.contents.node_id), + |_, their_node_id| their_node_id == msg.contents.node_id, + |_, their_node_id| their_node_id == from_node_id }, + { encoded_msg }); + } + } + } + for event in events_generated.drain(..) { macro_rules! get_peer_for_forwarding { ($node_id: expr, $handle_no_such_peer: block) => { @@ -833,7 +890,7 @@ impl PeerManager where } match event { MessageSendEvent::SendAcceptChannel { ref node_id, ref msg } => { - log_trace!(self, "Handling SendAcceptChannel event in peer_handler for node {} for channel {}", + log_trace!(self.logger, "Handling SendAcceptChannel event in peer_handler for node {} for channel {}", log_pubkey!(node_id), log_bytes!(msg.temporary_channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -843,7 +900,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendOpenChannel { ref node_id, ref msg } => { - log_trace!(self, "Handling SendOpenChannel event in peer_handler for node {} for channel {}", + log_trace!(self.logger, "Handling SendOpenChannel event in peer_handler for node {} for channel {}", log_pubkey!(node_id), log_bytes!(msg.temporary_channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -853,7 +910,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendFundingCreated { ref node_id, ref msg } => { - log_trace!(self, "Handling SendFundingCreated event in peer_handler for node {} for channel {} (which becomes {})", + log_trace!(self.logger, "Handling SendFundingCreated event in peer_handler for node {} for channel {} (which becomes {})", log_pubkey!(node_id), log_bytes!(msg.temporary_channel_id), log_funding_channel_id!(msg.funding_txid, msg.funding_output_index)); @@ -865,7 +922,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendFundingSigned { ref node_id, ref msg } => { - log_trace!(self, "Handling SendFundingSigned event in peer_handler for node {} for channel {}", + log_trace!(self.logger, "Handling SendFundingSigned event in peer_handler for node {} for channel {}", log_pubkey!(node_id), log_bytes!(msg.channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -876,7 +933,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => { - log_trace!(self, "Handling SendFundingLocked event in peer_handler for node {} for channel {}", + log_trace!(self.logger, "Handling SendFundingLocked event in peer_handler for node {} for channel {}", log_pubkey!(node_id), log_bytes!(msg.channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -886,7 +943,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => { - log_trace!(self, "Handling SendAnnouncementSignatures event in peer_handler for node {} for channel {})", + log_trace!(self.logger, "Handling SendAnnouncementSignatures event in peer_handler for node {} for channel {})", log_pubkey!(node_id), log_bytes!(msg.channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -897,7 +954,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => { - log_trace!(self, "Handling UpdateHTLCs event in peer_handler for node {} with {} adds, {} fulfills, {} fails for channel {}", + log_trace!(self.logger, "Handling UpdateHTLCs event in peer_handler for node {} with {} adds, {} fulfills, {} fails for channel {}", log_pubkey!(node_id), update_add_htlcs.len(), update_fulfill_htlcs.len(), @@ -925,7 +982,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => { - log_trace!(self, "Handling SendRevokeAndACK event in peer_handler for node {} for channel {}", + log_trace!(self.logger, "Handling SendRevokeAndACK event in peer_handler for node {} for channel {}", log_pubkey!(node_id), log_bytes!(msg.channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -935,7 +992,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => { - log_trace!(self, "Handling SendClosingSigned event in peer_handler for node {} for channel {}", + log_trace!(self.logger, "Handling SendClosingSigned event in peer_handler for node {} for channel {}", log_pubkey!(node_id), log_bytes!(msg.channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -945,7 +1002,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendShutdown { ref node_id, ref msg } => { - log_trace!(self, "Handling Shutdown event in peer_handler for node {} for channel {}", + log_trace!(self.logger, "Handling Shutdown event in peer_handler for node {} for channel {}", log_pubkey!(node_id), log_bytes!(msg.channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -955,7 +1012,7 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::SendChannelReestablish { ref node_id, ref msg } => { - log_trace!(self, "Handling SendChannelReestablish event in peer_handler for node {} for channel {}", + log_trace!(self.logger, "Handling SendChannelReestablish event in peer_handler for node {} for channel {}", log_pubkey!(node_id), log_bytes!(msg.channel_id)); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -965,58 +1022,33 @@ impl PeerManager where self.do_attempt_write_data(&mut descriptor, peer); }, MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { - log_trace!(self, "Handling BroadcastChannelAnnouncement event in peer_handler for short channel id {}", msg.contents.short_channel_id); + log_trace!(self.logger, "Handling BroadcastChannelAnnouncement event in peer_handler for short channel id {}", msg.contents.short_channel_id); if self.message_handler.route_handler.handle_channel_announcement(msg).is_ok() && self.message_handler.route_handler.handle_channel_update(update_msg).is_ok() { let encoded_msg = encode_msg!(msg); let encoded_update_msg = encode_msg!(update_msg); - - for (ref descriptor, ref mut peer) in peers.peers.iter_mut() { - if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() || - !peer.should_forward_channel_announcement(msg.contents.short_channel_id) { - continue - } - match peer.their_node_id { - None => continue, - Some(their_node_id) => { - if their_node_id == msg.contents.node_id_1 || their_node_id == msg.contents.node_id_2 { - continue - } - } - } - peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_msg[..])); - peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_update_msg[..])); - self.do_attempt_write_data(&mut (*descriptor).clone(), peer); - } + broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_channel_announcement(msg.contents.short_channel_id), + |_, their_node_id| their_node_id == msg.contents.node_id_1, + |_, their_node_id| their_node_id == msg.contents.node_id_2 }, + { encoded_msg, encoded_update_msg }); } }, MessageSendEvent::BroadcastNodeAnnouncement { ref msg } => { - log_trace!(self, "Handling BroadcastNodeAnnouncement event in peer_handler"); + log_trace!(self.logger, "Handling BroadcastNodeAnnouncement event in peer_handler"); if self.message_handler.route_handler.handle_node_announcement(msg).is_ok() { let encoded_msg = encode_msg!(msg); - for (ref descriptor, ref mut peer) in peers.peers.iter_mut() { - if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() || - !peer.should_forward_node_announcement(msg.contents.node_id) { - continue - } - peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_msg[..])); - self.do_attempt_write_data(&mut (*descriptor).clone(), peer); - } + broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_node_announcement(msg.contents.node_id), + |_, their_node_id| their_node_id == msg.contents.node_id }, + { encoded_msg }); } }, MessageSendEvent::BroadcastChannelUpdate { ref msg } => { - log_trace!(self, "Handling BroadcastChannelUpdate event in peer_handler for short channel id {}", msg.contents.short_channel_id); + log_trace!(self.logger, "Handling BroadcastChannelUpdate event in peer_handler for short channel id {}", msg.contents.short_channel_id); if self.message_handler.route_handler.handle_channel_update(msg).is_ok() { let encoded_msg = encode_msg!(msg); - for (ref descriptor, ref mut peer) in peers.peers.iter_mut() { - if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() || - !peer.should_forward_channel_announcement(msg.contents.short_channel_id) { - continue - } - peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_msg[..])); - self.do_attempt_write_data(&mut (*descriptor).clone(), peer); - } + broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_channel_announcement(msg.contents.short_channel_id) }, + { encoded_msg }); } }, MessageSendEvent::PaymentFailureNetworkUpdate { ref update } => { @@ -1029,7 +1061,7 @@ impl PeerManager where peers.peers_needing_send.remove(&descriptor); if let Some(mut peer) = peers.peers.remove(&descriptor) { if let Some(ref msg) = *msg { - log_trace!(self, "Handling DisconnectPeer HandleError event in peer_handler for node {} with message {}", + log_trace!(self.logger, "Handling DisconnectPeer HandleError event in peer_handler for node {} with message {}", log_pubkey!(node_id), msg.data); peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg))); @@ -1037,7 +1069,7 @@ impl PeerManager where // room in the send buffer, put the error message there... self.do_attempt_write_data(&mut descriptor, &mut peer); } else { - log_trace!(self, "Handling DisconnectPeer HandleError event in peer_handler for node {} with no message", log_pubkey!(node_id)); + log_trace!(self.logger, "Handling DisconnectPeer HandleError event in peer_handler for node {} with no message", log_pubkey!(node_id)); } } descriptor.disconnect_socket(); @@ -1046,7 +1078,7 @@ impl PeerManager where }, msgs::ErrorAction::IgnoreError => {}, msgs::ErrorAction::SendErrorMessage { ref msg } => { - log_trace!(self, "Handling SendErrorMessage HandleError event in peer_handler for node {} with message {}", + log_trace!(self.logger, "Handling SendErrorMessage HandleError event in peer_handler for node {} with message {}", log_pubkey!(node_id), msg.data); let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, { @@ -1118,7 +1150,7 @@ impl PeerManager where descriptors_needing_disconnect.push(descriptor.clone()); match peer.their_node_id { Some(node_id) => { - log_trace!(self, "Disconnecting peer with id {} due to ping timeout", node_id); + log_trace!(self.logger, "Disconnecting peer with id {} due to ping timeout", node_id); node_id_to_descriptor.remove(&node_id); self.message_handler.chan_handler.peer_disconnected(&node_id, false); } @@ -1167,7 +1199,6 @@ mod tests { use ln::features::ChannelFeatures; use util::events; use util::test_utils; - use util::logger::Logger; use bitcoin::secp256k1::Secp256k1; use bitcoin::secp256k1::key::{SecretKey, PublicKey}; @@ -1205,20 +1236,30 @@ mod tests { fn disconnect_socket(&mut self) {} } - fn create_chan_handlers(peer_count: usize) -> Vec { - let mut chan_handlers = Vec::new(); + struct PeerManagerCfg { + chan_handler: test_utils::TestChannelMessageHandler, + logger: test_utils::TestLogger, + } + + fn create_peermgr_cfgs(peer_count: usize) -> Vec { + let mut cfgs = Vec::new(); for _ in 0..peer_count { let chan_handler = test_utils::TestChannelMessageHandler::new(); - chan_handlers.push(chan_handler); + let logger = test_utils::TestLogger::new(); + cfgs.push( + PeerManagerCfg{ + chan_handler, + logger, + } + ); } - chan_handlers + cfgs } - fn create_network<'a>(peer_count: usize, chan_handlers: &'a Vec, routing_handlers: Option<&'a Vec>>) -> Vec> { + fn create_network<'a>(peer_count: usize, cfgs: &'a Vec, routing_handlers: Option<&'a Vec>>) -> Vec> { let mut peers = Vec::new(); let mut rng = thread_rng(); - let logger : Arc = Arc::new(test_utils::TestLogger::new()); let mut ephemeral_bytes = [0; 32]; rng.fill_bytes(&mut ephemeral_bytes); @@ -1231,15 +1272,15 @@ mod tests { rng.fill_bytes(&mut key_slice); SecretKey::from_slice(&key_slice).unwrap() }; - let msg_handler = MessageHandler { chan_handler: &chan_handlers[i], route_handler: router }; - let peer = PeerManager::new(msg_handler, node_id, &ephemeral_bytes, Arc::clone(&logger)); + let msg_handler = MessageHandler { chan_handler: &cfgs[i].chan_handler, route_handler: router }; + let peer = PeerManager::new(msg_handler, node_id, &ephemeral_bytes, &cfgs[i].logger); peers.push(peer); } peers } - fn establish_connection<'a>(peer_a: &PeerManager, peer_b: &PeerManager) -> (FileDescriptor, FileDescriptor) { + fn establish_connection<'a>(peer_a: &PeerManager, peer_b: &PeerManager) -> (FileDescriptor, FileDescriptor) { let secp_ctx = Secp256k1::new(); let a_id = PublicKey::from_secret_key(&secp_ctx, &peer_a.our_node_secret); let mut fd_a = FileDescriptor { fd: 1, outbound_data: Arc::new(Mutex::new(Vec::new())) }; @@ -1252,7 +1293,7 @@ mod tests { (fd_a.clone(), fd_b.clone()) } - fn establish_connection_and_read_events<'a>(peer_a: &PeerManager, peer_b: &PeerManager) -> (FileDescriptor, FileDescriptor) { + fn establish_connection_and_read_events<'a>(peer_a: &PeerManager, peer_b: &PeerManager) -> (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); @@ -1263,9 +1304,9 @@ mod tests { fn test_disconnect_peer() { // Simple test which builds a network of PeerManager, connects and brings them to NoiseState::Finished and // push a DisconnectPeer event to remove the node flagged by id - let chan_handlers = create_chan_handlers(2); + let cfgs = create_peermgr_cfgs(2); let chan_handler = test_utils::TestChannelMessageHandler::new(); - let mut peers = create_network(2, &chan_handlers, None); + let mut peers = create_network(2, &cfgs, None); establish_connection(&peers[0], &peers[1]); assert_eq!(peers[0].peers.lock().unwrap().peers.len(), 1); @@ -1286,8 +1327,8 @@ mod tests { #[test] fn test_timer_tick_occurred() { // Create peers, a vector of two peer managers, perform initial set up and check that peers[0] has one Peer. - let chan_handlers = create_chan_handlers(2); - let peers = create_network(2, &chan_handlers, None); + let cfgs = create_peermgr_cfgs(2); + let peers = create_network(2, &cfgs, None); establish_connection(&peers[0], &peers[1]); assert_eq!(peers[0].peers.lock().unwrap().peers.len(), 1); @@ -1404,7 +1445,7 @@ mod tests { #[test] fn test_do_attempt_write_data() { // Create 2 peers with custom TestRoutingMessageHandlers and connect them. - let chan_handlers = create_chan_handlers(2); + let cfgs = create_peermgr_cfgs(2); let mut routing_handlers: Vec> = Vec::new(); let mut routing_handlers_concrete: Vec> = Vec::new(); for _ in 0..2 { @@ -1412,7 +1453,7 @@ mod tests { routing_handlers.push(routing_handler.clone()); routing_handlers_concrete.push(routing_handler.clone()); } - let peers = create_network(2, &chan_handlers, Some(&routing_handlers)); + let peers = create_network(2, &cfgs, Some(&routing_handlers)); // By calling establish_connect, we trigger do_attempt_write_data between // the peers. Previously this function would mistakenly enter an infinite loop @@ -1438,12 +1479,12 @@ mod tests { fn limit_initial_routing_sync_requests() { // Inbound peer 0 requests initial_routing_sync, but outbound peer 1 does not. { - let chan_handlers = create_chan_handlers(2); + let cfgs = create_peermgr_cfgs(2); let routing_handlers: Vec> = vec![ Arc::new(test_utils::TestRoutingMessageHandler::new().set_request_full_sync()), Arc::new(test_utils::TestRoutingMessageHandler::new()), ]; - let peers = create_network(2, &chan_handlers, Some(&routing_handlers)); + let peers = create_network(2, &cfgs, Some(&routing_handlers)); 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(); @@ -1458,12 +1499,12 @@ mod tests { // Outbound peer 1 requests initial_routing_sync, but inbound peer 0 does not. { - let chan_handlers = create_chan_handlers(2); + let cfgs = create_peermgr_cfgs(2); let routing_handlers: Vec> = vec![ Arc::new(test_utils::TestRoutingMessageHandler::new()), Arc::new(test_utils::TestRoutingMessageHandler::new().set_request_full_sync()), ]; - let peers = create_network(2, &chan_handlers, Some(&routing_handlers)); + let peers = create_network(2, &cfgs, Some(&routing_handlers)); 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();