peer+lnd: fix peer blocking on node shutdown by yyforyongyu · Pull Request #9275 · lightningnetwork/lnd

yyforyongyu · 2024-11-18T01:09:40Z

Cherry-picked commits from the final blockbeat to reduce the PR size.

This commit fixes a case where the peer blocks the shutdown process. During the shutdown, the server will call s.DisconnectPeer, which calls peer.Disconnect. Because the peer never enters peer.Start via s.peerInitializer, the startReady chan will not be closed, causing peer.Disconnect to hang forever. We now fix it by only block on startReady when the peer is started.

coderabbitai · 2024-11-18T01:09:46Z

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guggero

Nice catch! Just one comment about the added logging statement.

This commit fixes a case where the peer blocks the shutdown process. During the shutdown, the server will call `s.DisconnectPeer`, which calls `peer.Disconnect`. Because the peer never enters `peer.Start` via `s.peerInitializer`, the `startReady` chan will not be closed, causing `peer.Disconnect` to hang forever. We now fix it by only block on `startReady` when the peer is started.

guggero

Thanks for the clarifying comments 🙏 LGTM 🎉

Roasbeef

LGTM 🗾