Simplify keepalive sending

By using a global keepalive timer, the O(n) keepalive queue purge operation on
every send operation is avoided.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/peer.h b/src/peer.h
index 5a73abd..39b17a8 100644
--- a/src/peer.h
+++ b/src/peer.h
@@ -43,6 +43,7 @@ struct fastd_peer {
 
 	fastd_peer_state_t state;
 	struct timespec seen;
+	struct timespec last_send;
 
 	fastd_remote_t *remotes;
 	fastd_remote_t *next_remote;