#pragma once

#ifdef __cplusplus
extern "C"
{
#endif

#include <stdint.h>
#include "stellar/packet.h"

/******************************************************************************
 * metadata utils
 ******************************************************************************/

void packet_set_route_ctx(struct packet *pkt, const struct route_ctx *ctx);
const struct route_ctx *packet_get_route_ctx(const struct packet *pkt);

void packet_set_sids(struct packet *pkt, const struct sids *sids);
const struct sids *packet_get_sids(const struct packet *pkt);
void packet_prepend_sids(struct packet *pkt, const struct sids *sids);

void packet_set_session_id(struct packet *pkt, uint64_t id);
uint64_t packet_get_session_id(const struct packet *pkt);

void packet_set_domain_id(struct packet *pkt, uint64_t id);
uint64_t packet_get_domain_id(const struct packet *pkt);

void packet_set_link_id(struct packet *pkt, uint16_t id);
uint16_t packet_get_link_id(const struct packet *pkt);

void packet_set_ctrl(struct packet *pkt, uint8_t ctrl);
uint8_t packet_is_ctrl(const struct packet *pkt);

void packet_set_direction(struct packet *pkt, enum packet_direction dir);
enum packet_direction packet_get_direction(const struct packet *pkt);

void packet_set_action(struct packet *pkt, enum packet_action action);
enum packet_action packet_get_action(const struct packet *pkt);

void packet_set_origin_ctx(struct packet *pkt, void *ctx);
const void *packet_get_origin_ctx(const struct packet *pkt);

/******************************************************************************
 * tuple uitls
 ******************************************************************************/

// return  0: found
// return -1: not found
int packet_get_innermost_tuple2(const struct packet *pkt, struct tuple2 *tuple);
int packet_get_outermost_tuple2(const struct packet *pkt, struct tuple2 *tuple);

// return  0: found
// return -1: not found
int packet_get_innermost_tuple4(const struct packet *pkt, struct tuple4 *tuple);
int packet_get_outermost_tuple4(const struct packet *pkt, struct tuple4 *tuple);

// return  0: found
// return -1: not found
int packet_get_innermost_tuple6(const struct packet *pkt, struct tuple6 *tuple);
int packet_get_outermost_tuple6(const struct packet *pkt, struct tuple6 *tuple);

/******************************************************************************
 * other uitls
 ******************************************************************************/

const char *packet_get_raw_data(const struct packet *pkt);
uint16_t packet_get_raw_len(const struct packet *pkt);

const char *packet_get_payload(const struct packet *pkt);
uint16_t packet_get_payload_len(const struct packet *pkt);

struct packet *packet_new(uint16_t pkt_len);
struct packet *packet_dup(const struct packet *pkt);
void packet_free(struct packet *pkt);

int packet_is_fragment(const struct packet *pkt);
void layer_convert(const struct raw_layer *in, struct layer *out);

#ifdef __cplusplus
}
#endif