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p2p: fix maxDialedConns for maxpeers < dialRatio

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Always allocate at least one dial slot unless dialing is disabled using
NoDial or MaxPeers == 0. Most importantly, this fixes MaxPeers == 1 to
dedicate the sole slot to dialing instead of listening.
This commit is contained in:
Felix Lange 2020-02-09 15:47:40 +01:00
parent 463842c950
commit af30b4d982
1 changed files with 10 additions and 6 deletions
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16
p2p/server.go
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@ -620,15 +620,19 @@ func (srv *Server) maxInboundConns() int {
return srv.MaxPeers - srv.maxDialedConns()
}
func (srv *Server) maxDialedConns() int {
if srv.NoDial {
func (srv *Server) maxDialedConns() (limit int) {
if srv.NoDial || srv.MaxPeers == 0 {
return 0
}
r := srv.DialRatio
if r == 0 {
r = defaultDialRatio
if srv.DialRatio == 0 {
limit = srv.MaxPeers / defaultDialRatio
} else {
limit = srv.MaxPeers / srv.DialRatio
}
return srv.MaxPeers / r
if limit == 0 {
limit = 1
}
return limit
}
func (srv *Server) setupListening() error {