swarm: Expose currently connected peers (#2378)

Co-authored-by: Max Inden <[email protected]>
libp2p · Dec 13, 2021 · 939e296 · 939e296
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diff --git a/swarm/CHANGELOG.md b/swarm/CHANGELOG.md
@@ -10,13 +10,16 @@
 
 - Move `swarm::Toggle` to `swarm::behaviour::Toggle` (see [PR 2375]).
 
+- Add `Swarm::connected_peers` (see [PR 2378]).
+
 - Implement `swarm::NetworkBehaviour` on `either::Either` (see [PR 2370]).
 
 [PR 2339]: https://github.com/libp2p/rust-libp2p/pull/2339
 [PR 2350]: https://github.com/libp2p/rust-libp2p/pull/2350
 [PR 2362]: https://github.com/libp2p/rust-libp2p/pull/2362
 [PR 2370]: https://github.com/libp2p/rust-libp2p/pull/2370
 [PR 2375]: https://github.com/libp2p/rust-libp2p/pull/2375
+[PR 2378]: https://github.com/libp2p/rust-libp2p/pull/2378
 
 # 0.32.0 [2021-11-16]
 

diff --git a/swarm/src/lib.rs b/swarm/src/lib.rs
@@ -584,6 +584,11 @@ where
         self.network.is_connected(peer_id)
     }
 
+    /// Returns the currently connected peers.
+    pub fn connected_peers(&self) -> impl Iterator<Item = &PeerId> {
+        self.network.connected_peers()
+    }
+
     /// Returns a reference to the provided [`NetworkBehaviour`].
     pub fn behaviour(&self) -> &TBehaviour {
         &self.behaviour