open5gs/lib/gtp/gtp_xact.h

93 lines
3.2 KiB
C

#ifndef __GTP_XACT_H__
#define __GTP_XACT_H__
#include "core_pkbuf.h"
#include "core_list.h"
#include "core_index.h"
#include "core_net.h"
#include "core_timer.h"
#include "gtp_path.h"
#include "gtp_message.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* Transaction context
*/
typedef struct _gtp_xact_t {
lnode_t node; /**< A node of list */
index_t index;
#define GTP_LOCAL_ORIGINATOR 0
#define GTP_REMOTE_ORIGINATOR 1
c_uint8_t org; /**< Transaction' originator.
local or remote */
c_uint32_t xid; /**< Transaction ID */
net_sock_t *sock; /**< GTP Socket */
gtp_node_t *gnode; /**< Relevant GTP node context */
int step; /**< Current step in the sequence.
1 : Initial
2 : Triggered
3 : Triggered-Reply */
struct {
c_uint8_t type; /**< Message type history */
pkbuf_t *pkbuf; /**< Packet history */
} seq[3]; /**< history for the each step */
tm_block_id tm_response; /**< Timer waiting for next message */
c_uint8_t response_rcount;
tm_block_id tm_duplicated; /**< Timer waiting for duplicated message */
c_uint8_t duplicated_rcount;
struct _gtp_xact_t *assoc_xact; /**< Associated transaction */
#define GTP_XACT_STORE_SESSION(xact, session) \
do { \
d_assert((xact), break, "Null param"); \
d_assert((session), break, "Null param"); \
((xact)->sess) = (session); \
} while(0)
#define GTP_XACT_RETRIEVE_SESSION(xact) ((xact) ? ((xact)->sess) : NULL)
void *sess; /**< Session Store */
} gtp_xact_t;
CORE_DECLARE(status_t) gtp_xact_init(tm_service_t *tm_service,
c_uintptr_t response_event, c_uintptr_t duplicated_event);
CORE_DECLARE(status_t) gtp_xact_final(void);
CORE_DECLARE(gtp_xact_t *) gtp_xact_local_create(net_sock_t *sock,
gtp_node_t *gnode, gtp_header_t *hdesc, pkbuf_t *pkbuf);
CORE_DECLARE(gtp_xact_t *) gtp_xact_remote_create(
net_sock_t *sock, gtp_node_t *gnode, c_uint32_t sqn);
CORE_DECLARE(void) gtp_xact_delete_all(gtp_node_t *gnode);
CORE_DECLARE(status_t) gtp_xact_update_tx(gtp_xact_t *xact,
gtp_header_t *hdesc, pkbuf_t *pkbuf);
CORE_DECLARE(status_t) gtp_xact_update_rx(gtp_xact_t *xact, c_uint8_t type);
CORE_DECLARE(status_t) gtp_xact_commit(gtp_xact_t *xact);
CORE_DECLARE(status_t) gtp_xact_timeout(index_t index, c_uintptr_t event);
CORE_DECLARE(status_t) gtp_xact_receive(
net_sock_t *sock, gtp_node_t *gnode, pkbuf_t *pkbuf,
gtp_xact_t **xact, gtp_message_t *gtp_message);
CORE_DECLARE(gtp_xact_t *) gtp_xact_find(index_t index);
CORE_DECLARE(gtp_xact_t *)gtp_xact_find_by_xid(
gtp_node_t *gnode, c_uint8_t type, c_uint32_t xid);
CORE_DECLARE(void) gtp_xact_associate(gtp_xact_t *xact1, gtp_xact_t *xact2);
CORE_DECLARE(void) gtp_xact_deassociate(gtp_xact_t *xact1, gtp_xact_t *xact2);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTP_XACT_H__ */