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Add packet utils to packet.h

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This commit is contained in:
luwenpeng
2024-04-11 19:44:02 +08:00
parent 84541c40e2
commit 17f5d338de
32 changed files with 615 additions and 558 deletions
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27
include/packet.h
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@@ -72,9 +72,36 @@ int packet_get_outermost_tuple6(const struct packet *pkt, struct tuple6 *tuple);
const struct packet_layer *packet_get_innermost_layer(const struct packet *pkt, enum layer_type type);
const struct packet_layer *packet_get_outermost_layer(const struct packet *pkt, enum layer_type type);
/******************************************************************************
* Utils
******************************************************************************/
int8_t packet_get_layers(const struct packet *pkt);
const struct packet_layer *packet_get_layer(const struct packet *pkt, int8_t idx);
const char *packet_get_data(const struct packet *pkt);
uint16_t packet_get_len(const struct packet *pkt);
const char *packet_get_payload(const struct packet *pkt);
uint16_t packet_get_payload_len(const struct packet *pkt);
int packet_need_drop(const struct packet *pkt);
void packet_set_drop(struct packet *pkt);
void packet_set_ctrl(struct packet *pkt);
int packet_is_ctrl(const struct packet *pkt);
void packet_set_direction(struct packet *pkt, int dir);
int packet_get_direction(const struct packet *pkt); // 1: E2I, 0: I2E
void packet_set_session_id(struct packet *pkt, uint64_t sess_id);
uint64_t packet_get_session_id(const struct packet *pkt);
void packet_set_sid_list(struct packet *pkt, uint16_t *sid, int num);
int packet_get_sid_list(const struct packet *pkt, uint16_t *sid, int num); // return number of sid
void packet_prepend_sid_list(struct packet *pkt, uint16_t *sid, int num);
void packet_append_sid_list(struct packet *pkt, uint16_t *sid, int num);
/*
******************************************************************************
* Example: getting the innermost TCP layer