Support responding to Ping messages in peer_handler

[rust-lightning] / src / ln / peer_handler.rs

diff --git a/src/ln/peer_handler.rs b/src/ln/peer_handler.rs
index 3c4196519c5cca1700e8c008e2af97f5d76cb81d..30900cab499a8407fb4c7029c76a2de75517276d 100644 (file)
--- a/src/ln/peer_handler.rs
+++ b/src/ln/peer_handler.rs
@@ -390,8 +390,15 @@ impl<Descriptor: SocketDescriptor> PeerManager<Descriptor> {
                                                                                        17 => {
                                                                                                // Error msg
                                                                                        },
-                                                                                       18 => { }, // ping
-                                                                                       19 => { }, // pong
+
+                                                                                       18 => {
+                                                                                               let msg = try_potential_decodeerror!(msgs::Ping::decode(&msg_data[2..]));
+                                                                                               let resp = msgs::Pong { byteslen: msg.ponglen };
+                                                                                               encode_and_send_msg!(resp, 19);
+                                                                                       },
+                                                                                       19 => {
+                                                                                               try_potential_decodeerror!(msgs::Pong::decode(&msg_data[2..]));
+                                                                                       },
 
                                                                                        // Channel control:
                                                                                        32 => {