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use session.cancel in the router to make blocking safe, reduce size of fromRouter buffer so the drops in the switch are closer to the intended front-drop behavior
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@ -166,8 +166,8 @@ func (r *router) handleTraffic(packet []byte) {
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return
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return
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}
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}
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select {
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select {
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case sinfo.fromRouter <- &p: // FIXME ideally this should be front drop
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case sinfo.fromRouter <- &p:
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default:
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case <-sinfo.cancel.Finished():
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util.PutBytes(p.Payload)
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util.PutBytes(p.Payload)
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}
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}
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}
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}
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@ -227,7 +227,7 @@ func (ss *sessions) createSession(theirPermKey *crypto.BoxPubKey) *sessionInfo {
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sinfo.myHandle = *crypto.NewHandle()
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sinfo.myHandle = *crypto.NewHandle()
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sinfo.theirAddr = *address.AddrForNodeID(crypto.GetNodeID(&sinfo.theirPermPub))
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sinfo.theirAddr = *address.AddrForNodeID(crypto.GetNodeID(&sinfo.theirPermPub))
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sinfo.theirSubnet = *address.SubnetForNodeID(crypto.GetNodeID(&sinfo.theirPermPub))
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sinfo.theirSubnet = *address.SubnetForNodeID(crypto.GetNodeID(&sinfo.theirPermPub))
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sinfo.fromRouter = make(chan *wire_trafficPacket, 32)
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sinfo.fromRouter = make(chan *wire_trafficPacket, 1)
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sinfo.recv = make(chan []byte, 32)
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sinfo.recv = make(chan []byte, 32)
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sinfo.send = make(chan []byte, 32)
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sinfo.send = make(chan []byte, 32)
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ss.sinfos[sinfo.myHandle] = &sinfo
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ss.sinfos[sinfo.myHandle] = &sinfo
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