server: Check max peers before connecting
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@ -1437,6 +1437,11 @@ func (s *server) handleQuery(state *peerState, querymsg interface{}) {
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case connectNodeMsg:
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// XXX(oga) duplicate oneshots?
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// Limit max number of total peers.
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if state.Count() >= cfg.MaxPeers {
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msg.reply <- errors.New("max peers reached")
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return
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}
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for _, peer := range state.persistentPeers {
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if peer.Addr() == msg.addr {
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if msg.permanent {
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