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feature: packet manager support build packet

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This commit is contained in:
luwenpeng
2024-11-18 15:24:38 +08:00
parent 492a7fb8ea
commit a473c2922d
8 changed files with 101 additions and 21 deletions
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30
include/stellar/packet.h
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@@ -136,21 +136,6 @@ int packet_get_tunnel_count(const struct packet *pkt);
// return -1: failed
int packet_get_tunnel_by_idx(const struct packet *pkt, int idx, struct tunnel *out);
/******************************************************************************
* build
******************************************************************************/
/*
* tcp_seq: the sequence number of the new TCP packet (in host byte order)
* tcp_ack: the acknowledgment number of the new TCP packet (in host byte order)
* tcp_options_len: the length of the options (must be a multiple of 4)
*/
struct packet *packet_build_tcp(const struct packet *origin_pkt, uint32_t tcp_seq, uint32_t tcp_ack, uint8_t tcp_flags,
const char *tcp_options, uint16_t tcp_options_len,
const char *tcp_payload, uint16_t tcp_payload_len);
struct packet *packet_build_udp(const struct packet *origin_pkt, const char *udp_payload, uint16_t udp_payload_len);
struct packet *packet_build_l3(const struct packet *origin_pkt, uint8_t ip_proto, const char *l3_payload, uint16_t l3_payload_len);
/******************************************************************************
* utils
******************************************************************************/
@@ -183,6 +168,7 @@ enum packet_type
};
enum packet_type packet_get_type(const struct packet *pkt);
void packet_set_type(struct packet *pkt, enum packet_type type);
void packet_set_action(struct packet *pkt, enum packet_action action);
enum packet_action packet_get_action(const struct packet *pkt);
@@ -228,6 +214,20 @@ typedef void on_packet_claimed_callback(struct packet *pkt, void *arg);
int packet_manager_claim_packet(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt, on_packet_claimed_callback cb, void *arg);
void packet_manager_schedule_packet(struct packet_manager *pkt_mgr, uint16_t thread_id, struct packet *pkt, enum packet_stage stage);
/*
* tcp_seq: the sequence number of the new TCP packet (in host byte order)
* tcp_ack: the acknowledgment number of the new TCP packet (in host byte order)
* tcp_options_len: the length of the options (must be a multiple of 4)
*/
struct packet *packet_manager_build_tcp_packet(struct packet_manager *pkt_mgr, const struct packet *origin_pkt,
uint32_t tcp_seq, uint32_t tcp_ack, uint8_t tcp_flags,
const char *tcp_options, uint16_t tcp_options_len,
const char *tcp_payload, uint16_t tcp_payload_len);
struct packet *packet_manager_build_udp_packet(struct packet_manager *pkt_mgr, const struct packet *origin_pkt,
const char *udp_payload, uint16_t udp_payload_len);
struct packet *packet_manager_build_l3_packet(struct packet_manager *pkt_mgr, const struct packet *origin_pkt,
uint8_t ip_proto, const char *l3_payload, uint16_t l3_payload_len);
#ifdef __cplusplus
}
#endif