#ifndef KNI_REDIRECT_H
#define KNI_REDIRECT_H

#ifndef IPV6_ADDR_LEN
#define IPV6_ADDR_LEN   (sizeof(struct in6_addr))
#endif



#define REDIRECT_SERDEF_LEN			16


#define REDIRECT_SNAT_TYPE			1
#define REDIRECT_DNAT_TYPE			2
#define REDIRECT_SNAT_REPLAY		3
#define REDIRECT_DNAT_REPLAY		4

//maat plugin ex data
struct redirect_plugin_ex_data
{
	int addr_type;
	char spoofing_ip[INET6_ADDRSTRLEN];
};


//redirect htable data
struct redirect_htable_data
{
	int nat_type;			
	int addr_type;
	unsigned int ipv4;
	char ipv6[IPV6_ADDR_LEN];
};


struct redirect_serdef_info
{
	char ip_pool[REDIRECT_SERDEF_LEN];
	char nat_type[REDIRECT_SERDEF_LEN];
};

int redirect_search_htable(unsigned char addr_type,struct kni_pme_info* pmeinfo,int thread_seq,const void* a_packet,int protocol);

char process_redirect_pending(const struct streaminfo* pstream,struct kni_pme_info* pmeinfo,int thread_seq,const void* a_packet,int protocol,unsigned char dir);
char process_redirect_data(const struct streaminfo* pstream,struct kni_pme_info* pmeinfo,int thread_seq,const void* a_packet,int protocol,unsigned char dir);
char process_redirect_close(const struct streaminfo* pstream,struct kni_pme_info* pmeinfo,int thread_seq,const void* a_packet,int protocol,unsigned char dir);

void plugin_EX_new_cb(int table_id, const char* key, const char* table_line, MAAT_PLUGIN_EX_DATA* ad, long argl, void *argp);
void plugin_EX_free_cb(int table_id, MAAT_PLUGIN_EX_DATA* ad, long argl, void *argp);
void plugin_EX_dup_cb(int table_id,	MAAT_PLUGIN_EX_DATA *to, MAAT_PLUGIN_EX_DATA *from, long argl, void *argp);

int kni_init_redirect_htable();


#endif