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/*
* 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_PATH_H
#define OGS_PFCP_PATH_H
#ifdef __cplusplus
extern "C" {
#endif
#define OGS_SETUP_PFCP_SERVER \
do { \
ogs_pfcp_node_t *pfcp_node = NULL; \
\
ogs_pfcp_self()->pfcp_sock = \
ogs_socknode_sock_first(&ogs_pfcp_self()->pfcp_list); \
ogs_pfcp_self()->pfcp_sock6 = \
ogs_socknode_sock_first(&ogs_pfcp_self()->pfcp_list6); \
\
ogs_assert(ogs_pfcp_self()->pfcp_sock || ogs_pfcp_self()->pfcp_sock6); \
\
if (ogs_pfcp_self()->pfcp_sock) \
ogs_pfcp_self()->pfcp_addr = \
&ogs_pfcp_self()->pfcp_sock->local_addr; \
if (ogs_pfcp_self()->pfcp_sock6) \
ogs_pfcp_self()->pfcp_addr6 = \
&ogs_pfcp_self()->pfcp_sock6->local_addr; \
\
ogs_assert(ogs_pfcp_self()->pfcp_addr || ogs_pfcp_self()->pfcp_addr6); \
\
ogs_list_for_each(&ogs_pfcp_self()->pfcp_peer_list, pfcp_node) \
pfcp_node_fsm_init(pfcp_node, true); \
\
} while(0)
typedef struct ogs_pfcp_xact_s ogs_pfcp_xact_t;
ogs_sock_t *ogs_pfcp_server(ogs_socknode_t *node);
int ogs_pfcp_connect(
ogs_sock_t *ipv4, ogs_sock_t *ipv6, ogs_pfcp_node_t *node);
int ogs_pfcp_send(ogs_pfcp_node_t *node, ogs_pkbuf_t *pkbuf);
int ogs_pfcp_sendto(ogs_pfcp_node_t *node, ogs_pkbuf_t *pkbuf);
ogs_pkbuf_t *ogs_pfcp_handle_echo_req(ogs_pkbuf_t *pkt);
int ogs_pfcp_send_heartbeat_request(ogs_pfcp_node_t *node,
void (*cb)(ogs_pfcp_xact_t *xact, void *data));
int ogs_pfcp_send_heartbeat_response(ogs_pfcp_xact_t *xact);
int ogs_pfcp_cp_send_association_setup_request(ogs_pfcp_node_t *node,
void (*cb)(ogs_pfcp_xact_t *xact, void *data));
int ogs_pfcp_cp_send_association_setup_response(ogs_pfcp_xact_t *xact,
uint8_t cause);
int ogs_pfcp_up_send_association_setup_request(ogs_pfcp_node_t *node,
void (*cb)(ogs_pfcp_xact_t *xact, void *data));
int ogs_pfcp_up_send_association_setup_response(ogs_pfcp_xact_t *xact,
uint8_t cause);
void ogs_pfcp_send_g_pdu(
ogs_pfcp_pdr_t *pdr,
ogs_gtp2_header_desc_t *sendhdr, ogs_pkbuf_t *sendbuf);
int ogs_pfcp_send_end_marker(ogs_pfcp_pdr_t *pdr);
void ogs_pfcp_send_buffered_packet(ogs_pfcp_pdr_t *pdr);
void ogs_pfcp_send_error_message(
ogs_pfcp_xact_t *xact, uint64_t seid, uint8_t type,
uint8_t cause_value, uint16_t offending_ie_value);
#ifdef __cplusplus
}
#endif
#endif /* OGS_PFCP_PATH_H */
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