+ /// Append a message to a peer's pending outbound/write buffer, and update the map of peers needing sends accordingly.
+ fn enqueue_message<M: Encode + Writeable>(&self, peers_needing_send: &mut HashSet<Descriptor>, 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);
+ }
+