#ifndef __CHASH_H
#define __CHASH_H

#include "constants.h"
#include "hash.h"
#include "transaction.h"
#include <linux/types.h>

/* Here we define type for connection key that 
   will be used for hashing */
struct conn_key
{
  unsigned int srcIP;
  unsigned int dstIP;
  unsigned short srcport;
  unsigned short dstport;
};

/* Connection record */
struct conn_stats{
  unsigned int seqnum;
  unsigned int acknum;
  int bytes;
  int duration;
  int jitter;
  int loss;
  int type;
  double starttime;
  double lasttime;
  struct transaction* trans[MAX_T];
  struct transaction* t;
  int nt;
};

/* Functions defined in chash.c */
int conn_clean(struct conn_stats*);
int conn_compare(struct conn_key*, struct conn_key*);
unsigned long conn_hash1(struct conn_key*, unsigned long);
unsigned long conn_hash2(struct conn_key*, unsigned long);
void create_conntable();
struct conn_stats* get_cdata(int);
struct conn_key* get_ckey(int);
long insert_connection(unsigned int, unsigned int, unsigned short, unsigned short);
unsigned long find_connection(unsigned int, unsigned int, unsigned short, 
			      unsigned short);
void delete_connection(unsigned int, unsigned int, unsigned short, 
		       unsigned short);
void delete_conntable();
void purge_connections(int);
void clean_packets(unsigned int);
void reset_conntable();
int setActiveTransaction(struct conn_stats* cs, enum app tapp, int identification);
void removeTransaction(struct conn_stats* cs, double time, struct transaction* t);
int insertTransaction(struct conn_stats* cs, double time, 
		       enum type ttype, enum app tapp, enum trans ttrans, 
		      unsigned int sIP, int sport, unsigned int dIP, int dport, int tid);
#endif