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[Merged by Bors] - parametrize inbound/outbound fractions for experiments #4787

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[Merged by Bors] - parametrize inbound/outbound fractions for experiments #4787

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8 changes: 6 additions & 2 deletions p2p/host.go
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@ func DefaultConfig() Config {
MaxMessageSize: 2 << 20,
AcceptQueue: tptu.AcceptQueueLength,
EnableHolepunching: true,
InboundFraction: 0.8,
OutboundFraction: 1.1,
RelayServer: RelayServer{TTL: 20 * time.Minute, Reservations: 512},
}
}
Expand Down Expand Up @@ -71,6 +73,8 @@ type Config struct {
MinPeers int `mapstructure:"min-peers"`
LowPeers int `mapstructure:"low-peers"`
HighPeers int `mapstructure:"high-peers"`
InboundFraction float64 `mapstructure:"inbound-fraction"`
OutboundFraction float64 `mapstructure:"outbound-fraction"`
AutoscalePeers bool `mapstructure:"autoscale-peers"`
AdvertiseAddress string `mapstructure:"advertise-address"`
AcceptQueue int `mapstructure:"p2p-accept-queue"`
Expand Down Expand Up @@ -131,8 +135,8 @@ func New(_ context.Context, logger log.Log, cfg Config, prologue []byte, opts ..
// leaves a small room for outbound connections in order to
// reduce risk of network isolation
g := &gater{
inbound: int(float64(cfg.HighPeers) * 0.8),
outbound: int(float64(cfg.HighPeers) * 1.1),
inbound: int(float64(cfg.HighPeers) * cfg.InboundFraction),
outbound: int(float64(cfg.HighPeers) * cfg.OutboundFraction),
direct: map[peer.ID]struct{}{},
}
direct, err := parseIntoAddr(cfg.Direct)
Expand Down