hop delays

2 files changed, 5 insertions, 1 deletions

diff --git a/src/transport/mod.rs b/src/transport/mod.rs
index 426ef72..ae6b593 100644
--- a/src/transport/mod.rs
+++ b/src/transport/mod.rs
@@ -671,6 +671,9 @@ pub(crate) struct SyncEnvelope {
     /// heads, and the sender awaits no answer. A receiver it leaves level with the
     /// sender answers nothing; one that has changes the sender lacks answers with them.
     pub(crate) delivered: bool,
+    /// When the sender generated it, by its clock: the receiver takes how long it took
+    /// to come (`swarm::hop`).
+    pub(crate) sent: crate::clock::UnixMillis,
 }
 
 /// What a sync envelope carries.
diff --git a/src/transport/wire.rs b/src/transport/wire.rs
index 4199927..d1b3353 100644
--- a/src/transport/wire.rs
+++ b/src/transport/wire.rs
@@ -14,7 +14,7 @@ use super::{EncodedMessage, MessageKind, ParsedMessage};
 
 /// The wire format's version, the first byte of every payload. Bump it with every change
 /// to a message type or a codec (`golden_bytes` fails then).
-pub(crate) const VERSION: u8 = 25;
+pub(crate) const VERSION: u8 = 26;
 
 /// What the second byte of a payload says.
 fn tag(kind: MessageKind) -> u8 {
@@ -411,6 +411,7 @@ pub(crate) fn samples() -> Vec<ParsedMessage> {
             ready: true,
             writer: Some(7),
             delivered: true,
+            sent: crate::clock::UnixMillis(8),
         }),
         ParsedMessage::Status(status.clone()),
         ParsedMessage::StatusReply(status),