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52 lines
1.1 KiB
52 lines
1.1 KiB
/*
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* NATRouter.h
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*
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* Created on: 11-01-2017
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* Author: Piotr Dergun
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*/
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#ifndef NATROUTER_H_
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#define NATROUTER_H_
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#include "common.h"
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#include "Node.h"
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#include "NATItem.h"
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class NATRouter : public Node
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{
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NATItem *natTable = NULL; // tablica z zaalokowanymi portami na zewnątrz
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map<string, int> natHelper; // mapa pomocnicza pozwalajaca szybko znalezc wpis
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NetConf netWanConf; // konfiguracja sieciowa na zewnątrz
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void initalizeNatTable();
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int getFreePort();
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int lastUsedPort = 0;
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int getAllocatedPort(string srcIp, int srcPort);
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void sNAT(Packet *packet);
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void dNAT(Packet *packet);
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void setWanNetwork();
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public:
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NATRouter();
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NATRouter(string hostname);
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NATRouter(string hostname, string ip, string mask);
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NATRouter(string hostname, string ip, string mask, string gatewayIp);
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~NATRouter();
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virtual void onRecv();
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void freePorts();
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// settery
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void setWanIp(string wanIp);
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void setWanMask(string wanMask);
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void setWanGatewayIp(string wanGatewayIp);
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// gettery
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string getWanIp();
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string getWanMask();
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string getWanNetwork();
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string getWanGatewayIp();
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};
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#define NAT_TABLE_LEN 65536
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#endif /* NATROUTER_H_ */
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