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reactor packet I/O & duplicated packet filter & evicted session filter

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This commit is contained in:
luwenpeng
2024-03-09 19:28:14 +08:00
parent ee35a26a9d
commit 512dfddd03
79 changed files with 1974 additions and 2093 deletions
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150
src/packet/packet.h
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@@ -11,10 +11,9 @@ extern "C"
#include "tuple.h"
#include "log.h"
#define PACKET_MAX_LAYERS 16
#define PACKET_MAX_LAYERS 32
#define PACKET_LOG_ERROR(format, ...) LOG_ERROR("packet", format, ##__VA_ARGS__)
#define PACKET_LOG_DEBUG(format, ...) void(0)
// #define PACKET_LOG_DEBUG(format, ...) LOG_DEBUG("packet", format, ##__VA_ARGS__)
#define PACKET_LOG_DEBUG(format, ...) LOG_DEBUG("packet", format, ##__VA_ARGS__)
enum layer_type
{
@@ -61,7 +60,49 @@ enum ldbc_method
LDBC_METHOD_HASH_INNERMOST_EXT_IP = 5,
};
struct layer_record
enum packet_direction
{
PACKET_DIRECTION_I2E = 0,
PACKET_DIRECTION_E2I = 1,
};
enum packet_action
{
PACKET_ACTION_FORWARD = 0,
PACKET_ACTION_DROP = 1,
};
enum packet_type
{
PACKET_TYPE_DATA = 0,
PACKET_TYPE_CTRL = 1,
};
struct metadata
{
#define MAX_SID_NUM 8
#define MAX_ROUTE_LEN 64
struct
{
uint16_t list[MAX_SID_NUM];
uint16_t used;
} sid;
struct
{
char data[MAX_ROUTE_LEN];
uint16_t len;
} route;
void *user_data;
uint64_t domain;
uint64_t session_id;
enum packet_direction direction;
enum packet_action action;
enum packet_type type;
};
struct layer
{
enum layer_type type;
const char *hdr_ptr; // header pointer
@@ -71,61 +112,90 @@ struct layer_record
uint16_t pld_len; // payload length
};
#define MAX_SID_NUM 8
#define MAX_ROUTE_LEN 64
struct packet
{
struct layer_record layers[PACKET_MAX_LAYERS];
struct layer_record *frag_layer; // fragment layer
struct layer layers[PACKET_MAX_LAYERS];
struct layer *frag_layer; // fragment layer
int8_t layers_used;
int8_t layers_size;
const char *data_ptr;
uint16_t data_len;
uint64_t domain;
bool need_free;
// metadata
void *io_ctx;
uint16_t sid_list[MAX_SID_NUM];
uint16_t sid_used;
char route_ctx[MAX_ROUTE_LEN];
uint16_t route_len;
uint64_t session_id;
uint8_t direction;
uint8_t type;
uint8_t action;
struct metadata meta;
};
// return innermost payload
const char *packet_parse(struct packet *handler, const char *data, uint16_t len);
void packet_print(const struct packet *handler);
const char *packet_parse(struct packet *pkt, const char *data, uint16_t len);
void packet_print(const struct packet *pkt);
// return 0 : found
// return -1 : not found
int packet_get_innermost_tuple2(const struct packet *handler, struct tuple2 *tuple);
int packet_get_outermost_tuple2(const struct packet *handler, struct tuple2 *tuple);
// 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 *handler, struct tuple4 *tuple);
int packet_get_outermost_tuple4(const struct packet *handler, struct tuple4 *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 *handler, struct tuple6 *tuple);
int packet_get_outermost_tuple6(const struct packet *handler, struct tuple6 *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);
const struct layer_record *packet_get_innermost_layer(const struct packet *handler, enum layer_type type);
const struct layer_record *packet_get_outermost_layer(const struct packet *handler, enum layer_type type);
const struct layer *packet_get_innermost_layer(const struct packet *pkt, enum layer_type type);
const struct layer *packet_get_outermost_layer(const struct packet *pkt, enum layer_type type);
// direction 1: E2I
// direction 0: I2E
uint64_t packet_get_hash(const struct packet *handler, enum ldbc_method method, int direction);
uint64_t packet_get_hash(const struct packet *pkt, enum ldbc_method method, int direction);
// return 0: success
// return -1: failed
int packet_set_sid(struct packet *pkt, uint16_t *sid, int num);
// return number of sid
int packet_get_sid(const struct packet *pkt, uint16_t *sid, int size);
// return 0: success
// return -1: failed
int packet_prepend_sid(struct packet *pkt, uint16_t sid);
// return 0: success
// return -1: failed
int packet_append_sid(struct packet *pkt, uint16_t sid);
// return 0: success
// return -1: failed
int packet_set_route_ctx(struct packet *pkt, const char *route, int len);
// return len of route ctx
int packet_get_route_ctx(const struct packet *pkt, char *buff, int size);
void packet_set_user_data(struct packet *pkt, void *user_data);
void *packet_get_user_data(const struct packet *pkt);
void packet_set_domain(struct packet *pkt, uint64_t domain);
uint64_t packet_get_domain(const struct packet *pkt);
void packet_set_session_id(struct packet *pkt, uint64_t session_id);
uint64_t packet_get_session_id(const struct packet *pkt);
void packet_set_direction(struct packet *pkt, enum packet_direction direction);
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_type(struct packet *pkt, enum packet_type type);
enum packet_type packet_get_type(const struct packet *pkt);
struct packet *packet_new(uint16_t pkt_len);
void packet_free(struct packet *pkt);
struct packet *packet_dup(const struct packet *pkt);
const char *packet_get_data(const struct packet *pkt);
uint16_t packet_get_len(const struct packet *pkt);
bool packet_is_fragment(const struct packet *pkt);
#ifdef __cpluscplus
}