#ifndef FIREWALL_DEFINES_H_
#define FIREWALL_DEFINES_H_

#include <glib.h>
#include <glib/glist.h>
#include <glib/gtypes.h>
#include <glib/gthread.h>


/********** State table structures **************/

struct esp_address{
  struct in6_addr dst_addr;
  uint32_t * update_id; // null or pointer to the update id from the packet 
  //that announced this address. 
  // when ack with the update id is seen all esp_addresses with
  //null update_id can be removed. 
};

struct esp_tuple{
  uint32_t spi;
  uint32_t new_spi;
  uint32_t spi_update_id;
  struct GSList * dst_addr_list;
  struct tuple * tuple;
  struct decryption_data * dec_data;
};

struct decryption_data{
  int dec_alg;
  int auth_len;
  int key_len;
  struct hip_crypto_key	dec_key;	
};

struct hip_data{
  struct in6_addr src_hit;
  struct in6_addr dst_hit;
  struct hip_host_id * src_hi;
  int (*verify)(struct hip_host_id *, struct hip_common *);
};

struct hip_tuple {
  struct hip_data * data;
  struct tuple * tuple;
};

struct tuple {
  struct hip_tuple * hip_tuple;
  struct GSList * esp_tuples;
  int direction;
  struct connection * connection;
  int state; 
};

struct connection {
  struct tuple original;
  struct tuple reply;  
  int verify_responder;
  int state;
  GTimeVal time_stamp;
};

struct hip_esp_packet {
	int packet_length;
	struct hip_esp * esp_data;
};


/*********** ESP structures *************/

struct hip_esp {
	uint32_t esp_spi;
    uint32_t esp_seq;
} __attribute((packed))__;

struct hip_esp_tail {
	 uint8_t esp_padlen;
     uint8_t esp_next;
};


#endif /*FIREWALL_DEFINES_H_*/