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#ifndef THREAD_CHACHE_H

#define THREAD_CHACHE_H

#include "base_cache.h"

#include "pthread.h"

#include <map>

#include <list>

namespace cppcms {



using namespace std;



class thread_cache : public base_cache {

	pthread_mutex_t lru_mutex;

	pthread_rwlock_t access_lock;

	struct container {

		string data;

		typedef map<string,container>::iterator pointer;

		list<pointer>::iterator lru;

		list<multimap<string,pointer>::iterator> triggers;

		multimap<time_t,pointer>::iterator timeout;

	};

	typedef container::pointer pointer;

	map<string,container> primary;

	multimap<string,pointer> triggers;

	typedef multimap<string,pointer>::iterator triggers_ptr;

	multimap<time_t,pointer> timeout;

	typedef multimap<time_t,pointer>::iterator timeout_ptr;

	list<pointer> lru;

	typedef list<pointer>::iterator lru_ptr;

	unsigned limit;



	string *get(string const &key,set<string> *triggers);

	void delete_node(pointer p);



public:

	thread_cache(unsigned pages=0) : limit(pages) {

		pthread_mutex_init(&lru_mutex,NULL);

		pthread_rwlock_init(&access_lock,NULL);

	};

	void set_size(unsigned l) { limit=l; };

	virtual bool fetch_page(string const &key,string &output,bool gzip);

	virtual bool fetch(string const &key,archive &a,set<string> &tags);

	virtual void rise(string const &trigger);

	virtual void store(string const &key,set<string> const &triggers,time_t timeout,archive const &a);

	virtual ~thread_cache();

};



}



#endif
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