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respect maxNumPeers. closes #59

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This commit is contained in:
Ethan Buchman
2015-07-12 18:10:13 +00:00
parent 0728539bc1
commit f2ccfff18e
1 changed files with 15 additions and 6 deletions
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21
p2p/switch.go
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@ -58,7 +58,6 @@ var (
const (
peerDialTimeoutSeconds = 3
maxPeersPerIP = 3
)
func NewSwitch() *Switch {
@ -307,21 +306,31 @@ func (sw *Switch) listenerRoutine(l Listener) {
if !ok {
break
}
// ignore connection if we already have enough
// note we might exceed the maxNumPeers in order to
// achieve minNumOutboundPeers
if sw.peers.Size() >= maxNumPeers {
log.Debug("Ignoring inbound connection: already have enough peers", "conn", inConn, "numPeers", sw.peers.Size(), "max", maxNumPeers)
continue
}
// Ignore connections from ip ranges for which we have too many
if sw.peers.HasMaxForIPRange(inConn) {
log.Debug("Already have enough peers for that IP range", "address", inConn.RemoteAddr().String())
log.Debug("Ignoring inbound connection: already have enough peers for that IP range", "address", inConn.RemoteAddr().String())
continue
}
// New inbound connection!
peer, err := sw.AddPeerWithConnection(inConn, false)
_, err := sw.AddPeerWithConnection(inConn, false)
if err != nil {
log.Info(Fmt("Ignoring error from inbound connection: %v\n%v", peer, err))
log.Info("Ignoring inbound connection: error on AddPeerWithConnection", "conn", inConn, "error", err)
continue
}
// NOTE: We don't yet have the external address of the
// NOTE: We don't yet have the listening port of the
// remote (if they have a listener at all).
// The peerHandshake will take care of that
// The peerHandshake will handle that
}
// cleanup