#include "slp/slp-common.h"// UdpSlpAgent Class definitionclass UdpSLPAgent : public UdpAgent {public:	UdpSLPAgent();	UdpSLPAgent(packet_t);	virtual int supportSLP() { return 1; }	virtual void enableSLP() { support_slp_ = 1; }	virtual void sendto(int nbytes, const char* flags, ns_addr_t dst);	void recv(Packet*, Handler*);protected:	int support_slp_; // set to 1 if above is SLPApp};