add Transport::delivery_limit

1 files changed, 4 insertions, 0 deletions

diff --git a/src/transport/mod.rs b/src/transport/mod.rs
index febbdf0..d97c51c 100644
--- a/src/transport/mod.rs
+++ b/src/transport/mod.rs
@@ -486,6 +486,10 @@ pub(crate) trait Transport: Send + Sync {
     /// key). Identities other peers name to us (in a HELLO_REPLY) are checked with it.
     fn is_peer_id(&self, id: &str) -> bool;
 
+    /// How long the transport tries to deliver a message before dropping it: after that,
+    /// a message sent is delivered or lost for good.
+    fn delivery_limit(&self) -> std::time::Duration;
+
     /// Resolves a seed (anything that leads to a node, e.g. an address) to that node's
     /// identity, as `local_id` gives it on that node.
     async fn resolve_seed(&self, seed: &str) -> Result<String>;