self.enqueue_message(peer, &msg);
continue;
},
+ msgs::ErrorAction::SendWarningMessage { msg, log_level } => {
+ log_given_level!(self.logger, log_level, "Error handling message{}; sending warning message with: {}", OptionalFromDebugger(&peer.their_node_id), e.err);
+ self.enqueue_message(peer, &msg);
+ continue;
+ },
}
}
}
Ok(x) => x,
Err(e) => {
match e {
- msgs::DecodeError::UnknownVersion => return Err(PeerHandleError { no_connection_possible: false }),
- msgs::DecodeError::UnknownRequiredFeature => {
+ // Note that to avoid recursion we never call
+ // `do_attempt_write_data` from here, causing
+ // the messages enqueued here to not actually
+ // be sent before the peer is disconnected.
+ (msgs::DecodeError::UnknownRequiredFeature, Some(ty)) if is_gossip_msg(ty) => {
log_gossip!(self.logger, "Got a channel/node announcement with an unknown required feature flag, you may want to update!");
continue;
}
- msgs::DecodeError::InvalidValue => {
+ (msgs::DecodeError::UnsupportedCompression, _) => {
+ log_gossip!(self.logger, "We don't support zlib-compressed message fields, sending a warning and ignoring message");
+ self.enqueue_message(peer, &msgs::WarningMessage { channel_id: [0; 32], data: "Unsupported message compression: zlib".to_owned() });
+ continue;
+ }
+ (_, Some(ty)) if is_gossip_msg(ty) => {
+ log_gossip!(self.logger, "Got an invalid value while deserializing a gossip message");
+ self.enqueue_message(peer, &msgs::WarningMessage { channel_id: [0; 32], data: "Unreadable/bogus gossip message".to_owned() });
+ continue;
+ }
+ (msgs::DecodeError::UnknownRequiredFeature, ty) => {
+ log_gossip!(self.logger, "Received a message with an unknown required feature flag or TLV, you may want to update!");
+ self.enqueue_message(peer, &msgs::WarningMessage { channel_id: [0; 32], data: format!("Received an unknown required feature/TLV in message type {:?}", ty) });
+ return Err(PeerHandleError { no_connection_possible: false });
+ }
+ (msgs::DecodeError::UnknownVersion, _) => return Err(PeerHandleError { no_connection_possible: false }),
+ (msgs::DecodeError::InvalidValue, _) => {
log_debug!(self.logger, "Got an invalid value while deserializing message");
return Err(PeerHandleError { no_connection_possible: false });
}
- msgs::DecodeError::ShortRead => {
+ (msgs::DecodeError::ShortRead, _) => {
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 }),
- msgs::DecodeError::Io(_) => return Err(PeerHandleError { no_connection_possible: false }),
- msgs::DecodeError::UnsupportedCompression => {
- log_gossip!(self.logger, "We don't support zlib-compressed message fields, ignoring message");
- continue;
- }
+ (msgs::DecodeError::BadLengthDescriptor, _) => return Err(PeerHandleError { no_connection_possible: false }),
+ (msgs::DecodeError::Io(_), _) => return Err(PeerHandleError { no_connection_possible: false }),
}
}
};
return Err(PeerHandleError{ no_connection_possible: true }.into());
}
},
+ wire::Message::Warning(msg) => {
+ let mut data_is_printable = true;
+ for b in msg.data.bytes() {
+ if b < 32 || b > 126 {
+ data_is_printable = false;
+ break;
+ }
+ }
+
+ if data_is_printable {
+ log_debug!(self.logger, "Got warning message from {}: {}", log_pubkey!(peer.their_node_id.unwrap()), msg.data);
+ } else {
+ log_debug!(self.logger, "Got warning message from {} with non-ASCII error message", log_pubkey!(peer.their_node_id.unwrap()));
+ }
+ },
wire::Message::Ping(msg) => {
if msg.ponglen < 65532 {
msg.data);
self.enqueue_message(get_peer_for_forwarding!(node_id), msg);
},
+ msgs::ErrorAction::SendWarningMessage { ref msg, ref log_level } => {
+ log_given_level!(self.logger, *log_level, "Handling SendWarningMessage HandleError event in peer_handler for node {} with message {}",
+ log_pubkey!(node_id),
+ msg.data);
+ self.enqueue_message(get_peer_for_forwarding!(node_id), msg);
+ },
}
},
MessageSendEvent::SendChannelRangeQuery { ref node_id, ref msg } => {