static double avg_latency{0.0}, receive_latency{0.0}, cache_latency{0.0}, backend_latency{0.0}, send_latency{0.0};
unique_ptr<TCPNameserver> TN;
static vector<DNSDistributor*> g_distributors;
-vector<std::shared_ptr<UDPNameserver>> g_udpReceivers;
+static vector<std::shared_ptr<UDPNameserver>> g_udpReceivers;
NetmaskGroup g_proxyProtocolACL;
size_t g_proxyProtocolMaximumSize;
extern std::unique_ptr<DNSProxy> DP;
extern CommunicatorClass Communicator;
extern std::shared_ptr<UDPNameserver> N;
-extern vector<std::shared_ptr<UDPNameserver>> g_udpReceivers;
extern std::unique_ptr<TCPNameserver> TN;
extern void declareArguments();
extern void declareStats();