open5gs/lib/pfcp/xact.h

92 lines
3.2 KiB
C
Raw Normal View History

2019-12-07 04:17:00 +00:00
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#if !defined(OGS_PFCP_INSIDE) && !defined(OGS_PFCP_COMPILATION)
#error "This header cannot be included directly."
#endif
#ifndef OGS_PFCP_XACT_H
#define OGS_PFCP_XACT_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* Transaction context
*/
typedef struct ogs_pfcp_xact_s {
ogs_lnode_t node; /**< A node of list */
ogs_index_t index;
#define OGS_PFCP_LOCAL_ORIGINATOR 0
#define OGS_PFCP_REMOTE_ORIGINATOR 1
uint8_t org; /**< Transaction' originator.
local or remote */
uint32_t xid; /**< Transaction ID */
ogs_pfcp_node_t *pnode; /**< Relevant PFCP node context */
void (*cb)(ogs_pfcp_xact_t *, void *); /**< Local timer expiration handler */
void *data; /**< Transaction Data */
int step; /**< Current step in the sequence.
1 : Initial
2 : Triggered
3 : Triggered-Reply */
struct {
uint8_t type; /**< Message type history */
ogs_pkbuf_t *pkbuf; /**< Packet history */
} seq[3]; /**< history for the each step */
ogs_timer_t *tm_response; /**< Timer waiting for next message */
uint8_t response_rcount;
ogs_timer_t *tm_holding; /**< Timer waiting for holding message */
uint8_t holding_rcount;
} ogs_pfcp_xact_t;
int ogs_pfcp_xact_init(ogs_timer_mgr_t *timer_mgr, int size);
int ogs_pfcp_xact_final(void);
ogs_pfcp_xact_t *ogs_pfcp_xact_local_create(ogs_pfcp_node_t *pnode,
ogs_pfcp_header_t *hdesc, ogs_pkbuf_t *pkbuf,
void (*cb)(ogs_pfcp_xact_t *xact, void *data), void *data);
ogs_pfcp_xact_t *ogs_pfcp_xact_remote_create(
ogs_pfcp_node_t *pnode, uint32_t sqn);
void ogs_pfcp_xact_delete_all(ogs_pfcp_node_t *pnode);
int ogs_pfcp_xact_update_tx(ogs_pfcp_xact_t *xact,
ogs_pfcp_header_t *hdesc, ogs_pkbuf_t *pkbuf);
int ogs_pfcp_xact_update_rx(ogs_pfcp_xact_t *xact, uint8_t type);
int ogs_pfcp_xact_commit(ogs_pfcp_xact_t *xact);
int ogs_pfcp_xact_receive(ogs_pfcp_node_t *pnode,
ogs_pfcp_header_t *h, ogs_pfcp_xact_t **xact);
ogs_pfcp_xact_t *ogs_pfcp_xact_find(ogs_index_t index);
ogs_pfcp_xact_t *ogs_pfcp_xact_find_by_xid(
ogs_pfcp_node_t *pnode, uint8_t type, uint32_t xid);
#ifdef __cplusplus
}
#endif
#endif /* OGS_PFCP_XACT_H */