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-rw-r--r--node/Node.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/node/Node.cpp b/node/Node.cpp
index 20a049bc..95e4bb1d 100644
--- a/node/Node.cpp
+++ b/node/Node.cpp
@@ -577,8 +577,9 @@ Node::ReasonForTermination Node::run()
}
// Ping supernodes separately for two reasons: (1) supernodes only ping each
- // other, and (2) we still want to ping them first on resynchronize.
- if ((resynchronize)||((now - lastSupernodePing) >= ZT_PEER_DIRECT_PING_DELAY)) {
+ // other, and (2) we still want to ping them first on resynchronize. Also ping
+ // more aggressively if nothing seems to be happening at all.
+ if ((resynchronize)||((now - lastSupernodePing) >= ZT_PEER_DIRECT_PING_DELAY)||((now - _r->timeOfLastPacketReceived) >= ZT_PING_UNANSWERED_AFTER)) {
lastSupernodePing = now;
std::vector< SharedPtr<Peer> > sns(_r->topology->supernodePeers());
TRACE("pinging %d supernodes",(int)sns.size());