proxysql/include/shared_query_cache.h

#ifndef __CLASS_STANDARD_QUERY_CACHE_H
#define __CLASS_STANDARD_QUERY_CACHE_H
#include "proxysql.h"
#include "cpp.h"

#define EXPIRE_DROPIT	0
//#define SHARED_QUERY_CACHE_HASH_TABLES	16
#define HASH_EXPIRE_MAX	3600*24*365*10
//#define DEFAULT_purge_loop_time 400000
#define DEFAULT_purge_total_time 10000000
//#define DEFAULT_purge_threshold_pct_min	50
#define DEFAULT_purge_threshold_pct_max	90


//#define DEFAULT_SQC_size  64*1024*1024

/*
typedef struct __fdb_hash_t fdb_hash_t;
typedef struct __fdb_hash_entry fdb_hash_entry;
*/
/*
struct __fdb_hash_t {
		pthread_rwlock_t lock;
		GHashTable *hash;
		GPtrArray *ptrArray;
		uint64_t dataSize;
		uint64_t purgeChunkSize;
		uint64_t purgeIdx;
};




struct __fdb_hash_entry {
	unsigned char *key;
	unsigned char *value;
	fdb_hash_t *hash;
	struct __fdb_hash_entry *self;
	uint32_t klen;
	uint32_t length;
	time_t expire;
	time_t access;
	uint32_t ref_count;
};
*/

/*
class Standard_Query_Cache : public Query_Cache {
	public:
	void * purgeHash_thread(void *);
	//GPtrArray *LQCs;	// array of Local Query Cache . These are used to update QCnow from the Standard_Query_Cache
	//Standard_Query_Cache(uint64_t _max_memory_size=DEFAULT_SQC_size);
	Standard_Query_Cache();
	~Standard_Query_Cache();
	bool set(unsigned char *, uint32_t, unsigned char *, uint32_t, time_t);
	unsigned char * get(const unsigned char *);
	uint64_t flush();	
	uint64_t current_free_memory();
	unsigned int current_used_memory_pct();
//	void register_LQC(Local_Query_Cache *);
//	void unregister_LQC(Local_Query_Cache *);
};
*/
/*
extern "C" Query_Cache* create_SQC() {
    return new Standard_Query_Cache;
}

extern "C" void destroy_SQC(Query_Cache* qc) {
    delete qc;
}
*/

#endif /* __CLASS_SHARED_QUERY_CACHE_H */