slp-sa.h

the User Agent and Service Agent functionality of the Service Location Protocol, based on RFC 2608:

#include "slp/slp-common.h"
class SLPsa;
class URLnode; 
class urlExpireTimer : public TimerHandler {
 public: 
 	urlExpireTimer(SLPsa* s, URLnode* n, double timeout) : TimerHandler(), s_(s), n_(n) {
		sched(timeout);
	}
 	inline virtual void expire(Event*);
	
 protected:
 	SLPsa*		s_;
 	URLnode *	n_;
 };
 
 class URLnode {
  public: 
  	hdr_slp_url		data;
   	URLnode*		next;
   	urlExpireTimer		expireTimer;
 	URLnode (SLPsa* s, double timeout) : expireTimer(s, this, timeout) {}
 };
 	
// SLP SA Class Definition
class SLPsa : public Application {
	friend class URLnode;
	friend class urlExpireTimer;
 public:
	SLPsa();
	void send_srvrply_pkt(u_int16_t url_count, const char *service_type, u_int16_t xid, ns_addr_t dest);
	void send_saadvert_pkt(u_int16_t xid, ns_addr_t dest); 

 protected:
	int command(int argc, const char*const* argv);
	void start();       // Start sending data packets (Sender)
	void stop();        // Stop sending data packets (Sender)

 private:

	void init();
	virtual void recv_slpmsg(ns_addr_t src, int nbytes, const char *msg = 0);
	void add_scope(const char *newscope);
	void remove_scope(const char *removescope);
	void add_service(const char *newservice, int timeout, int lifetime);
	void remove_service(URLnode *removeservice_url);
        bool checkscope(const char* scope_list, u_int16_t length_scope);
	u_int16_t checkservice(const char* service_type);
	char *get_urls (u_int16_t &no_urls, const char *serv_type, int size_so_far);
	char *  SLPsa::get_local_scopes() const;
	int		running_;
 	int		pktsize_;	
	char *		local_services_[SLP_MAX_SERVICE];	//array implementation
	int		number_of_scopes_;
	char *		local_scopes_[SLP_MAX_SCOPE];		//array implementation
	bool checkprlist(const char* pr_list, u_int16_t length_pr_list);
	URLnode *	url_head;
};