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/*
* Copyright (C) 2019-2023 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 lnode; /**< A node of list */
ogs_lnode_t tmpnode; /**< A node of temp-list */
ogs_pool_id_t id;
ogs_pool_id_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 *node; /**< Relevant PFCP node context */
/**< Local timer expiration handler & Data*/
void (*cb)(ogs_pfcp_xact_t *, void *);
void *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_timer_t *tm_delayed_commit; /**< Timer waiting for commit xact */
uint64_t local_seid; /**< Local SEID,
expected in reply from peer */
ogs_pool_id_t assoc_xact_id; /**< Associated GTP transaction ID */
ogs_pkbuf_t *gtpbuf; /**< GTP packet buffer */
uint8_t gtp_pti; /**< GTP Procedure transaction identity */
uint8_t gtp_cause; /**< GTP Cause Value */
ogs_pool_id_t assoc_stream_id; /**< Associated SBI session ID */
bool epc; /**< EPC or 5GC */
#define OGS_PFCP_CREATE_RESTORATION_INDICATION ((uint64_t)1<<0)
uint64_t create_flags;
#define OGS_PFCP_MODIFY_SESSION ((uint64_t)1<<0)
#define OGS_PFCP_MODIFY_DL_ONLY ((uint64_t)1<<1)
#define OGS_PFCP_MODIFY_UL_ONLY ((uint64_t)1<<2)
#define OGS_PFCP_MODIFY_INDIRECT ((uint64_t)1<<3)
#define OGS_PFCP_MODIFY_UE_REQUESTED ((uint64_t)1<<4)
#define OGS_PFCP_MODIFY_NETWORK_REQUESTED ((uint64_t)1<<5)
#define OGS_PFCP_MODIFY_CREATE ((uint64_t)1<<6)
#define OGS_PFCP_MODIFY_REMOVE ((uint64_t)1<<7)
#define OGS_PFCP_MODIFY_EPC_TFT_UPDATE ((uint64_t)1<<8)
#define OGS_PFCP_MODIFY_EPC_QOS_UPDATE ((uint64_t)1<<9)
#define OGS_PFCP_MODIFY_TFT_NEW ((uint64_t)1<<10)
#define OGS_PFCP_MODIFY_TFT_ADD ((uint64_t)1<<11)
#define OGS_PFCP_MODIFY_TFT_REPLACE ((uint64_t)1<<12)
#define OGS_PFCP_MODIFY_TFT_DELETE ((uint64_t)1<<13)
#define OGS_PFCP_MODIFY_QOS_CREATE ((uint64_t)1<<14)
#define OGS_PFCP_MODIFY_QOS_MODIFY ((uint64_t)1<<15)
#define OGS_PFCP_MODIFY_QOS_DELETE ((uint64_t)1<<16)
#define OGS_PFCP_MODIFY_ACTIVATE ((uint64_t)1<<17)
#define OGS_PFCP_MODIFY_DEACTIVATE ((uint64_t)1<<18)
#define OGS_PFCP_MODIFY_END_MARKER ((uint64_t)1<<19)
#define OGS_PFCP_MODIFY_ERROR_INDICATION ((uint64_t)1<<20)
#define OGS_PFCP_MODIFY_XN_HANDOVER ((uint64_t)1<<21)
#define OGS_PFCP_MODIFY_N2_HANDOVER ((uint64_t)1<<22)
#define OGS_PFCP_MODIFY_HANDOVER_CANCEL ((uint64_t)1<<23)
#define OGS_PFCP_MODIFY_URR ((uint64_t)1<<24) /* type of trigger */
#define OGS_PFCP_MODIFY_URR_MEAS_METHOD ((uint64_t)1<<25)
#define OGS_PFCP_MODIFY_URR_REPORT_TRIGGER ((uint64_t)1<<26)
#define OGS_PFCP_MODIFY_URR_QUOTA_VALIDITY_TIME ((uint64_t)1<<27)
#define OGS_PFCP_MODIFY_URR_VOLUME_QUOTA ((uint64_t)1<<28)
#define OGS_PFCP_MODIFY_URR_TIME_QUOTA ((uint64_t)1<<29)
#define OGS_PFCP_MODIFY_URR_VOLUME_THRESH ((uint64_t)1<<30)
#define OGS_PFCP_MODIFY_URR_TIME_THRESH ((uint64_t)1<<31)
uint64_t modify_flags;
#define OGS_PFCP_DELETE_TRIGGER_LOCAL_INITIATED 1
#define OGS_PFCP_DELETE_TRIGGER_UE_REQUESTED 2
#define OGS_PFCP_DELETE_TRIGGER_PCF_INITIATED 3
#define OGS_PFCP_DELETE_TRIGGER_RAN_INITIATED 4
#define OGS_PFCP_DELETE_TRIGGER_SMF_INITIATED 5
#define OGS_PFCP_DELETE_TRIGGER_AMF_RELEASE_SM_CONTEXT 6
#define OGS_PFCP_DELETE_TRIGGER_AMF_UPDATE_SM_CONTEXT 7
int delete_trigger;
ogs_list_t pdr_to_create_list;
ogs_list_t bearer_to_modify_list;
} ogs_pfcp_xact_t;
int ogs_pfcp_xact_init(void);
void ogs_pfcp_xact_final(void);
ogs_pfcp_xact_t *ogs_pfcp_xact_local_create(ogs_pfcp_node_t *node,
void (*cb)(ogs_pfcp_xact_t *xact, void *data), void *data);
void ogs_pfcp_xact_delete_all(ogs_pfcp_node_t *node);
ogs_pfcp_xact_t *ogs_pfcp_xact_find_by_id(ogs_pool_id_t id);
int ogs_pfcp_xact_update_tx(ogs_pfcp_xact_t *xact,
ogs_pfcp_header_t *hdesc, ogs_pkbuf_t *pkbuf);
int ogs_pfcp_xact_commit(ogs_pfcp_xact_t *xact);
void ogs_pfcp_xact_delayed_commit(ogs_pfcp_xact_t *xact, ogs_time_t duration);
int ogs_pfcp_xact_delete(ogs_pfcp_xact_t *xact);
int ogs_pfcp_xact_receive(ogs_pfcp_node_t *node,
ogs_pfcp_header_t *h, ogs_pfcp_xact_t **xact);
#ifdef __cplusplus
}
#endif
#endif /* OGS_PFCP_XACT_H */
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