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p2p: MinNumOutboundPeers. Closes #1501

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This commit is contained in:
Ethan Buchman
2018-04-28 15:52:05 -04:00
parent 64569b15e5
commit 2761861b6b
2 changed files with 7 additions and 2 deletions
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2
p2p/pex/pex_reactor.go
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@ -31,7 +31,7 @@ const (
// ensure we have enough peers
defaultEnsurePeersPeriod = 30 * time.Second
defaultMinNumOutboundPeers = 10
defaultMinNumOutboundPeers = p2p.DefaultMinNumOutboundPeers
// Seed/Crawler constants

7
p2p/switch.go
View File

@ -26,6 +26,10 @@ const (
// ie. 3**10 = 16hrs
reconnectBackOffAttempts = 10
reconnectBackOffBaseSeconds = 3
// keep at least this many outbound peers
// TODO: move to config
DefaultMinNumOutboundPeers = 10
)
//-----------------------------------------------------------------------------
@ -458,7 +462,8 @@ func (sw *Switch) listenerRoutine(l Listener) {
}
// ignore connection if we already have enough
maxPeers := sw.config.MaxNumPeers
// leave room for MinNumOutboundPeers
maxPeers := sw.config.MaxNumPeers - DefaultMinNumOutboundPeers
if maxPeers <= sw.peers.Size() {
sw.Logger.Info("Ignoring inbound connection: already have enough peers", "address", inConn.RemoteAddr().String(), "numPeers", sw.peers.Size(), "max", maxPeers)
continue